Open-ILS/src/c-apps/oils_cstore.c

   1 #include "opensrf/osrf_application.h"
   2 #include "opensrf/osrf_settings.h"
   3 #include "opensrf/osrf_message.h"
   4 #include "opensrf/utils.h"
   5 #include "opensrf/osrf_json.h"
   6 #include "opensrf/log.h"
   7 #include "openils/oils_utils.h"
   8 #include <dbi/dbi.h>
   9
  10 #include <time.h>
  11 #include <stdlib.h>
  12 #include <string.h>
  13 #include <unistd.h>
  14
  15 #ifdef RSTORE
  16 #  define MODULENAME "open-ils.reporter-store"
  17 #else
  18 #  ifdef PCRUD
  19 #    define MODULENAME "open-ils.pcrud"
  20 #  else
  21 #    define MODULENAME "open-ils.cstore"
  22 #  endif
  23 #endif
  24
  25 #define SUBSELECT       4
  26 #define DISABLE_I18N    2
  27 #define SELECT_DISTINCT 1
  28 #define AND_OP_JOIN     0
  29 #define OR_OP_JOIN      1
  30
  31 int osrfAppChildInit();
  32 int osrfAppInitialize();
  33 void osrfAppChildExit();
  34
  35 static int verifyObjectClass ( osrfMethodContext*, const jsonObject* );
  36
  37 int beginTransaction ( osrfMethodContext* );
  38 int commitTransaction ( osrfMethodContext* );
  39 int rollbackTransaction ( osrfMethodContext* );
  40
  41 int setSavepoint ( osrfMethodContext* );
  42 int releaseSavepoint ( osrfMethodContext* );
  43 int rollbackSavepoint ( osrfMethodContext* );
  44
  45 int doJSONSearch ( osrfMethodContext* );
  46
  47 int dispatchCRUDMethod ( osrfMethodContext* );
  48 static jsonObject* doCreate ( osrfMethodContext*, int* );
  49 static jsonObject* doRetrieve ( osrfMethodContext*, int* );
  50 static jsonObject* doUpdate ( osrfMethodContext*, int* );
  51 static jsonObject* doDelete ( osrfMethodContext*, int* );
  52 static jsonObject* doFieldmapperSearch ( osrfMethodContext*, osrfHash*,
  53         const jsonObject*, int* );
  54 static jsonObject* oilsMakeFieldmapperFromResult( dbi_result, osrfHash* );
  55 static jsonObject* oilsMakeJSONFromResult( dbi_result );
  56
  57 static char* searchWriteSimplePredicate ( const char*, osrfHash*,
  58         const char*, const char*, const char* );
  59 static char* searchSimplePredicate ( const char*, const char*, osrfHash*, const jsonObject* );
  60 static char* searchFunctionPredicate ( const char*, osrfHash*, const jsonObject*, const char* );
  61 static char* searchFieldTransform ( const char*, osrfHash*, const jsonObject*);
  62 static char* searchFieldTransformPredicate ( const char*, osrfHash*, jsonObject*, const char* );
  63 static char* searchBETWEENPredicate ( const char*, osrfHash*, jsonObject* );
  64 static char* searchINPredicate ( const char*, osrfHash*,
  65                                                                  jsonObject*, const char*, osrfMethodContext* );
  66 static char* searchPredicate ( const char*, osrfHash*, jsonObject*, osrfMethodContext* );
  67 static char* searchJOIN ( const jsonObject*, osrfHash* );
  68 static char* searchWHERE ( const jsonObject*, osrfHash*, int, osrfMethodContext* );
  69 static char* buildSELECT ( jsonObject*, jsonObject*, osrfHash*, osrfMethodContext* );
  70
  71 char* SELECT ( osrfMethodContext*, jsonObject*, jsonObject*, jsonObject*, jsonObject*, jsonObject*, jsonObject*, jsonObject*, int );
  72
  73 void userDataFree( void* );
  74 static void sessionDataFree( char*, void* );
  75 static char* getSourceDefinition( osrfHash* );
  76 static int str_is_true( const char* str );
  77 static int obj_is_true( const jsonObject* obj );
  78
  79 #ifdef PCRUD
  80 static jsonObject* verifyUserPCRUD( osrfMethodContext* );
  81 static int verifyObjectPCRUD( osrfMethodContext*, const jsonObject* );
  82 #endif
  83
  84 static dbi_conn writehandle; /* our MASTER db connection */
  85 static dbi_conn dbhandle; /* our CURRENT db connection */
  86 //static osrfHash * readHandles;
  87 static jsonObject* jsonNULL = NULL; //
  88 static int max_flesh_depth = 100;
  89
  90 /* called when this process is about to exit */
  91 void osrfAppChildExit() {
  92     osrfLogDebug(OSRF_LOG_MARK, "Child is exiting, disconnecting from database...");
  93
  94     int same = 0;
  95     if (writehandle == dbhandle) same = 1;
  96     if (writehandle) {
  97         dbi_conn_query(writehandle, "ROLLBACK;");
  98         dbi_conn_close(writehandle);
  99         writehandle = NULL;
 100     }
 101     if (dbhandle && !same)
 102         dbi_conn_close(dbhandle);
 103
 104     // XXX add cleanup of readHandles whenever that gets used
 105
 106     return;
 107 }
 108
 109 int osrfAppInitialize() {
 110
 111     osrfLogInfo(OSRF_LOG_MARK, "Initializing the CStore Server...");
 112     osrfLogInfo(OSRF_LOG_MARK, "Finding XML file...");
 113
 114     if (!oilsIDLInit( osrf_settings_host_value("/IDL") )) return 1; /* return non-zero to indicate error */
 115
 116     growing_buffer* method_name = buffer_init(64);
 117 #ifndef PCRUD
 118     // Generic search thingy
 119     buffer_add(method_name, MODULENAME);
 120         buffer_add(method_name, ".json_query");
 121         osrfAppRegisterMethod( MODULENAME, OSRF_BUFFER_C_STR(method_name),
 122                                                    "doJSONSearch", "", 1, OSRF_METHOD_STREAMING );
 123 #endif
 124
 125     // first we register all the transaction and savepoint methods
 126     buffer_reset(method_name);
 127         OSRF_BUFFER_ADD(method_name, MODULENAME);
 128         OSRF_BUFFER_ADD(method_name, ".transaction.begin");
 129         osrfAppRegisterMethod( MODULENAME, OSRF_BUFFER_C_STR(method_name),
 130                                                    "beginTransaction", "", 0, 0 );
 131
 132     buffer_reset(method_name);
 133         OSRF_BUFFER_ADD(method_name, MODULENAME);
 134         OSRF_BUFFER_ADD(method_name, ".transaction.commit");
 135         osrfAppRegisterMethod( MODULENAME, OSRF_BUFFER_C_STR(method_name),
 136                                                    "commitTransaction", "", 0, 0 );
 137
 138     buffer_reset(method_name);
 139         OSRF_BUFFER_ADD(method_name, MODULENAME);
 140         OSRF_BUFFER_ADD(method_name, ".transaction.rollback");
 141         osrfAppRegisterMethod( MODULENAME, OSRF_BUFFER_C_STR(method_name),
 142                                                    "rollbackTransaction", "", 0, 0 );
 143
 144     buffer_reset(method_name);
 145         OSRF_BUFFER_ADD(method_name, MODULENAME);
 146         OSRF_BUFFER_ADD(method_name, ".savepoint.set");
 147         osrfAppRegisterMethod( MODULENAME, OSRF_BUFFER_C_STR(method_name),
 148                                                    "setSavepoint", "", 1, 0 );
 149
 150     buffer_reset(method_name);
 151         OSRF_BUFFER_ADD(method_name, MODULENAME);
 152         OSRF_BUFFER_ADD(method_name, ".savepoint.release");
 153         osrfAppRegisterMethod( MODULENAME, OSRF_BUFFER_C_STR(method_name),
 154                                                    "releaseSavepoint", "", 1, 0 );
 155
 156     buffer_reset(method_name);
 157         OSRF_BUFFER_ADD(method_name, MODULENAME);
 158         OSRF_BUFFER_ADD(method_name, ".savepoint.rollback");
 159         osrfAppRegisterMethod( MODULENAME, OSRF_BUFFER_C_STR(method_name),
 160                                                    "rollbackSavepoint", "", 1, 0 );
 161
 162     buffer_free(method_name);
 163
 164         static const char* global_method[] = {
 165                 "create",
 166                 "retrieve",
 167                 "update",
 168                 "delete",
 169                 "search",
 170                 "id_list"
 171         };
 172         const int global_method_count
 173                 = sizeof( global_method ) / sizeof ( global_method[0] );
 174
 175     int c_index = 0;
 176     char* classname;
 177     osrfStringArray* classes = osrfHashKeys( oilsIDL() );
 178     osrfLogDebug(OSRF_LOG_MARK, "%d classes loaded", classes->size );
 179     osrfLogDebug(OSRF_LOG_MARK,
 180                 "At least %d methods will be generated", classes->size * global_method_count);
 181
 182     while ( (classname = osrfStringArrayGetString(classes, c_index++)) ) {
 183         osrfLogInfo(OSRF_LOG_MARK, "Generating class methods for %s", classname);
 184
 185         osrfHash* idlClass = osrfHashGet(oilsIDL(), classname);
 186
 187         if (!osrfStringArrayContains( osrfHashGet(idlClass, "controller"), MODULENAME )) {
 188             osrfLogInfo(OSRF_LOG_MARK, "%s is not listed as a controller for %s, moving on", MODULENAME, classname);
 189             continue;
 190         }
 191
 192                 if ( str_is_true( osrfHashGet(idlClass, "virtual") ) ) {
 193                         osrfLogDebug(OSRF_LOG_MARK, "Class %s is virtual, skipping", classname );
 194                         continue;
 195                 }
 196
 197         // Look up some other attributes of the current class
 198         const char* idlClass_fieldmapper = osrfHashGet(idlClass, "fieldmapper");
 199                 const char* readonly = osrfHashGet(idlClass, "readonly");
 200 #ifdef PCRUD
 201         osrfHash* idlClass_permacrud = osrfHashGet(idlClass, "permacrud");
 202 #endif
 203
 204         int i;
 205         for( i = 0; i < global_method_count; ++i ) {
 206             const char* method_type = global_method[ i ];
 207             osrfLogDebug(OSRF_LOG_MARK,
 208                 "Using files to build %s class methods for %s", method_type, classname);
 209
 210             if (!idlClass_fieldmapper) continue;
 211
 212 #ifdef PCRUD
 213             if (!idlClass_permacrud) continue;
 214
 215             const char* tmp_method = method_type;
 216             if ( *tmp_method == 'i' || *tmp_method == 's') {
 217                 tmp_method = "retrieve";
 218             }
 219             if (!osrfHashGet( idlClass_permacrud, tmp_method )) continue;
 220 #endif
 221
 222             if (    str_is_true( readonly ) &&
 223                     ( *method_type == 'c' || *method_type == 'u' || *method_type == 'd')
 224                ) continue;
 225
 226             osrfHash* method_meta = osrfNewHash();
 227             osrfHashSet(method_meta, idlClass, "class");
 228
 229             method_name =  buffer_init(64);
 230 #ifdef PCRUD
 231             buffer_fadd(method_name, "%s.%s.%s", MODULENAME, method_type, classname);
 232 #else
 233             char* st_tmp = NULL;
 234             char* part = NULL;
 235             char* _fm = strdup( idlClass_fieldmapper );
 236             part = strtok_r(_fm, ":", &st_tmp);
 237
 238             buffer_fadd(method_name, "%s.direct.%s", MODULENAME, part);
 239
 240             while ((part = strtok_r(NULL, ":", &st_tmp))) {
 241                                 OSRF_BUFFER_ADD_CHAR(method_name, '.');
 242                                 OSRF_BUFFER_ADD(method_name, part);
 243             }
 244                         OSRF_BUFFER_ADD_CHAR(method_name, '.');
 245                         OSRF_BUFFER_ADD(method_name, method_type);
 246             free(_fm);
 247 #endif
 248
 249             char* method = buffer_release(method_name);
 250
 251             osrfHashSet( method_meta, method, "methodname" );
 252             osrfHashSet( method_meta, strdup(method_type), "methodtype" );
 253
 254             int flags = 0;
 255             if (*method_type == 'i' || *method_type == 's') {
 256                 flags = flags | OSRF_METHOD_STREAMING;
 257             }
 258
 259             osrfAppRegisterExtendedMethod(
 260                     MODULENAME,
 261                     method,
 262                     "dispatchCRUDMethod",
 263                     "",
 264                     1,
 265                     flags,
 266                     (void*)method_meta
 267                     );
 268
 269             free(method);
 270         }
 271     }
 272
 273     return 0;
 274 }
 275
 276 static char* getSourceDefinition( osrfHash* class ) {
 277
 278     char* tabledef = osrfHashGet(class, "tablename");
 279
 280     if (!tabledef) {
 281         growing_buffer* tablebuf = buffer_init(128);
 282         tabledef = osrfHashGet(class, "source_definition");
 283         if( !tabledef )
 284             tabledef = "(null)";
 285         buffer_fadd( tablebuf, "(%s)", tabledef );
 286         tabledef = buffer_release(tablebuf);
 287     } else {
 288         tabledef = strdup(tabledef);
 289     }
 290
 291     return tabledef;
 292 }
 293
 294 /**
 295  * Connects to the database
 296  */
 297 int osrfAppChildInit() {
 298
 299     osrfLogDebug(OSRF_LOG_MARK, "Attempting to initialize libdbi...");
 300     dbi_initialize(NULL);
 301     osrfLogDebug(OSRF_LOG_MARK, "... libdbi initialized.");
 302
 303     char* driver        = osrf_settings_host_value("/apps/%s/app_settings/driver", MODULENAME);
 304     char* user  = osrf_settings_host_value("/apps/%s/app_settings/database/user", MODULENAME);
 305     char* host  = osrf_settings_host_value("/apps/%s/app_settings/database/host", MODULENAME);
 306     char* port  = osrf_settings_host_value("/apps/%s/app_settings/database/port", MODULENAME);
 307     char* db    = osrf_settings_host_value("/apps/%s/app_settings/database/db", MODULENAME);
 308     char* pw    = osrf_settings_host_value("/apps/%s/app_settings/database/pw", MODULENAME);
 309     char* md    = osrf_settings_host_value("/apps/%s/app_settings/max_query_recursion", MODULENAME);
 310
 311     osrfLogDebug(OSRF_LOG_MARK, "Attempting to load the database driver [%s]...", driver);
 312     writehandle = dbi_conn_new(driver);
 313
 314     if(!writehandle) {
 315         osrfLogError(OSRF_LOG_MARK, "Error loading database driver [%s]", driver);
 316         return -1;
 317     }
 318     osrfLogDebug(OSRF_LOG_MARK, "Database driver [%s] seems OK", driver);
 319
 320     osrfLogInfo(OSRF_LOG_MARK, "%s connecting to database.  host=%s, "
 321             "port=%s, user=%s, pw=%s, db=%s", MODULENAME, host, port, user, pw, db );
 322
 323     if(host) dbi_conn_set_option(writehandle, "host", host );
 324     if(port) dbi_conn_set_option_numeric( writehandle, "port", atoi(port) );
 325     if(user) dbi_conn_set_option(writehandle, "username", user);
 326     if(pw) dbi_conn_set_option(writehandle, "password", pw );
 327     if(db) dbi_conn_set_option(writehandle, "dbname", db );
 328
 329     if(md) max_flesh_depth = atoi(md);
 330     if(max_flesh_depth < 0) max_flesh_depth = 1;
 331     if(max_flesh_depth > 1000) max_flesh_depth = 1000;
 332
 333     free(user);
 334     free(host);
 335     free(port);
 336     free(db);
 337     free(pw);
 338
 339     const char* err;
 340     if (dbi_conn_connect(writehandle) < 0) {
 341         sleep(1);
 342         if (dbi_conn_connect(writehandle) < 0) {
 343             dbi_conn_error(writehandle, &err);
 344             osrfLogError( OSRF_LOG_MARK, "Error connecting to database: %s", err);
 345             return -1;
 346         }
 347     }
 348
 349     osrfLogInfo(OSRF_LOG_MARK, "%s successfully connected to the database", MODULENAME);
 350
 351     int attr;
 352     unsigned short type;
 353     int i = 0;
 354     char* classname;
 355     osrfStringArray* classes = osrfHashKeys( oilsIDL() );
 356
 357     while ( (classname = osrfStringArrayGetString(classes, i++)) ) {
 358         osrfHash* class = osrfHashGet( oilsIDL(), classname );
 359         osrfHash* fields = osrfHashGet( class, "fields" );
 360
 361                 if( str_is_true( osrfHashGet(class, "virtual") ) ) {
 362                         osrfLogDebug(OSRF_LOG_MARK, "Class %s is virtual, skipping", classname );
 363                         continue;
 364                 }
 365
 366         char* tabledef = getSourceDefinition(class);
 367
 368         growing_buffer* sql_buf = buffer_init(32);
 369         buffer_fadd( sql_buf, "SELECT * FROM %s AS x WHERE 1=0;", tabledef );
 370
 371         free(tabledef);
 372
 373         char* sql = buffer_release(sql_buf);
 374         osrfLogDebug(OSRF_LOG_MARK, "%s Investigatory SQL = %s", MODULENAME, sql);
 375
 376         dbi_result result = dbi_conn_query(writehandle, sql);
 377         free(sql);
 378
 379         if (result) {
 380
 381             int columnIndex = 1;
 382             const char* columnName;
 383             osrfHash* _f;
 384             while( (columnName = dbi_result_get_field_name(result, columnIndex++)) ) {
 385
 386                 osrfLogInternal(OSRF_LOG_MARK, "Looking for column named [%s]...", (char*)columnName);
 387
 388                 /* fetch the fieldmapper index */
 389                 if( (_f = osrfHashGet(fields, (char*)columnName)) ) {
 390
 391                     osrfLogDebug(OSRF_LOG_MARK, "Found [%s] in IDL hash...", (char*)columnName);
 392
 393                     /* determine the field type and storage attributes */
 394                     type = dbi_result_get_field_type(result, columnName);
 395                     attr = dbi_result_get_field_attribs(result, columnName);
 396
 397                     switch( type ) {
 398
 399                         case DBI_TYPE_INTEGER :
 400
 401                             if ( !osrfHashGet(_f, "primitive") )
 402                                 osrfHashSet(_f,"number", "primitive");
 403
 404                             if( attr & DBI_INTEGER_SIZE8 )
 405                                 osrfHashSet(_f,"INT8", "datatype");
 406                             else
 407                                 osrfHashSet(_f,"INT", "datatype");
 408                             break;
 409
 410                         case DBI_TYPE_DECIMAL :
 411                             if ( !osrfHashGet(_f, "primitive") )
 412                                 osrfHashSet(_f,"number", "primitive");
 413
 414                             osrfHashSet(_f,"NUMERIC", "datatype");
 415                             break;
 416
 417                         case DBI_TYPE_STRING :
 418                             if ( !osrfHashGet(_f, "primitive") )
 419                                 osrfHashSet(_f,"string", "primitive");
 420                             osrfHashSet(_f,"TEXT", "datatype");
 421                             break;
 422
 423                         case DBI_TYPE_DATETIME :
 424                             if ( !osrfHashGet(_f, "primitive") )
 425                                 osrfHashSet(_f,"string", "primitive");
 426
 427                             osrfHashSet(_f,"TIMESTAMP", "datatype");
 428                             break;
 429
 430                         case DBI_TYPE_BINARY :
 431                             if ( !osrfHashGet(_f, "primitive") )
 432                                 osrfHashSet(_f,"string", "primitive");
 433
 434                             osrfHashSet(_f,"BYTEA", "datatype");
 435                     }
 436
 437                     osrfLogDebug(
 438                             OSRF_LOG_MARK,
 439                             "Setting [%s] to primitive [%s] and datatype [%s]...",
 440                             (char*)columnName,
 441                             osrfHashGet(_f, "primitive"),
 442                             osrfHashGet(_f, "datatype")
 443                             );
 444                 }
 445             }
 446             dbi_result_free(result);
 447         } else {
 448             osrfLogDebug(OSRF_LOG_MARK, "No data found for class [%s]...", (char*)classname);
 449         }
 450     }
 451
 452     osrfStringArrayFree(classes);
 453
 454     return 0;
 455 }
 456
 457 void userDataFree( void* blob ) {
 458     osrfHashFree( (osrfHash*)blob );
 459     return;
 460 }
 461
 462 static void sessionDataFree( char* key, void* item ) {
 463     if (!(strcmp(key,"xact_id"))) {
 464         if (writehandle)
 465             dbi_conn_query(writehandle, "ROLLBACK;");
 466         free(item);
 467     }
 468
 469     return;
 470 }
 471
 472 int beginTransaction ( osrfMethodContext* ctx ) {
 473         if(osrfMethodVerifyContext( ctx )) {
 474                 osrfLogError( OSRF_LOG_MARK,  "Invalid method context" );
 475                 return -1;
 476         }
 477
 478 #ifdef PCRUD
 479     jsonObject* user = verifyUserPCRUD( ctx );
 480     if (!user) return -1;
 481     jsonObjectFree(user);
 482 #endif
 483
 484     dbi_result result = dbi_conn_query(writehandle, "START TRANSACTION;");
 485     if (!result) {
 486         osrfLogError(OSRF_LOG_MARK, "%s: Error starting transaction", MODULENAME );
 487         osrfAppSessionStatus( ctx->session, OSRF_STATUS_INTERNALSERVERERROR, "osrfMethodException", ctx->request, "Error starting transaction" );
 488         return -1;
 489     } else {
 490         jsonObject* ret = jsonNewObject(ctx->session->session_id);
 491         osrfAppRespondComplete( ctx, ret );
 492         jsonObjectFree(ret);
 493
 494         if (!ctx->session->userData) {
 495             ctx->session->userData = osrfNewHash();
 496             osrfHashSetCallback((osrfHash*)ctx->session->userData, &sessionDataFree);
 497         }
 498
 499         osrfHashSet( (osrfHash*)ctx->session->userData, strdup( ctx->session->session_id ), "xact_id" );
 500         ctx->session->userDataFree = &userDataFree;
 501
 502     }
 503     return 0;
 504 }
 505
 506 int setSavepoint ( osrfMethodContext* ctx ) {
 507         if(osrfMethodVerifyContext( ctx )) {
 508                 osrfLogError( OSRF_LOG_MARK,  "Invalid method context" );
 509                 return -1;
 510         }
 511
 512     int spNamePos = 0;
 513 #ifdef PCRUD
 514     spNamePos = 1;
 515     jsonObject* user = verifyUserPCRUD( ctx );
 516     if (!user) return -1;
 517     jsonObjectFree(user);
 518 #endif
 519
 520     if (!osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )) {
 521         osrfAppSessionStatus(
 522                 ctx->session,
 523                 OSRF_STATUS_INTERNALSERVERERROR,
 524                 "osrfMethodException",
 525                 ctx->request,
 526                 "No active transaction -- required for savepoints"
 527                 );
 528         return -1;
 529     }
 530
 531     char* spName = jsonObjectToSimpleString(jsonObjectGetIndex(ctx->params, spNamePos));
 532
 533     dbi_result result = dbi_conn_queryf(writehandle, "SAVEPOINT \"%s\";", spName);
 534     if (!result) {
 535         osrfLogError(
 536                 OSRF_LOG_MARK,
 537                 "%s: Error creating savepoint %s in transaction %s",
 538                 MODULENAME,
 539                 spName,
 540                 osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )
 541                 );
 542         osrfAppSessionStatus( ctx->session, OSRF_STATUS_INTERNALSERVERERROR, "osrfMethodException", ctx->request, "Error creating savepoint" );
 543         free(spName);
 544         return -1;
 545     } else {
 546         jsonObject* ret = jsonNewObject(spName);
 547         osrfAppRespondComplete( ctx, ret );
 548         jsonObjectFree(ret);
 549     }
 550     free(spName);
 551     return 0;
 552 }
 553
 554 int releaseSavepoint ( osrfMethodContext* ctx ) {
 555         if(osrfMethodVerifyContext( ctx )) {
 556                 osrfLogError( OSRF_LOG_MARK,  "Invalid method context" );
 557                 return -1;
 558         }
 559
 560         int spNamePos = 0;
 561 #ifdef PCRUD
 562     spNamePos = 1;
 563     jsonObject* user = verifyUserPCRUD( ctx );
 564     if (!user) return -1;
 565     jsonObjectFree(user);
 566 #endif
 567
 568     if (!osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )) {
 569         osrfAppSessionStatus(
 570                 ctx->session,
 571                 OSRF_STATUS_INTERNALSERVERERROR,
 572                 "osrfMethodException",
 573                 ctx->request,
 574                 "No active transaction -- required for savepoints"
 575                 );
 576         return -1;
 577     }
 578
 579     char* spName = jsonObjectToSimpleString(jsonObjectGetIndex(ctx->params, spNamePos));
 580
 581     dbi_result result = dbi_conn_queryf(writehandle, "RELEASE SAVEPOINT \"%s\";", spName);
 582     if (!result) {
 583         osrfLogError(
 584                 OSRF_LOG_MARK,
 585                 "%s: Error releasing savepoint %s in transaction %s",
 586                 MODULENAME,
 587                 spName,
 588                 osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )
 589                 );
 590         osrfAppSessionStatus( ctx->session, OSRF_STATUS_INTERNALSERVERERROR, "osrfMethodException", ctx->request, "Error releasing savepoint" );
 591         free(spName);
 592         return -1;
 593     } else {
 594         jsonObject* ret = jsonNewObject(spName);
 595         osrfAppRespondComplete( ctx, ret );
 596         jsonObjectFree(ret);
 597     }
 598     free(spName);
 599     return 0;
 600 }
 601
 602 int rollbackSavepoint ( osrfMethodContext* ctx ) {
 603         if(osrfMethodVerifyContext( ctx )) {
 604                 osrfLogError( OSRF_LOG_MARK,  "Invalid method context" );
 605                 return -1;
 606         }
 607
 608         int spNamePos = 0;
 609 #ifdef PCRUD
 610     spNamePos = 1;
 611     jsonObject* user = verifyUserPCRUD( ctx );
 612     if (!user) return -1;
 613     jsonObjectFree(user);
 614 #endif
 615
 616     if (!osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )) {
 617         osrfAppSessionStatus(
 618                 ctx->session,
 619                 OSRF_STATUS_INTERNALSERVERERROR,
 620                 "osrfMethodException",
 621                 ctx->request,
 622                 "No active transaction -- required for savepoints"
 623                 );
 624         return -1;
 625     }
 626
 627     char* spName = jsonObjectToSimpleString(jsonObjectGetIndex(ctx->params, spNamePos));
 628
 629     dbi_result result = dbi_conn_queryf(writehandle, "ROLLBACK TO SAVEPOINT \"%s\";", spName);
 630     if (!result) {
 631         osrfLogError(
 632                 OSRF_LOG_MARK,
 633                 "%s: Error rolling back savepoint %s in transaction %s",
 634                 MODULENAME,
 635                 spName,
 636                 osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )
 637                 );
 638         osrfAppSessionStatus( ctx->session, OSRF_STATUS_INTERNALSERVERERROR, "osrfMethodException", ctx->request, "Error rolling back savepoint" );
 639         free(spName);
 640         return -1;
 641     } else {
 642         jsonObject* ret = jsonNewObject(spName);
 643         osrfAppRespondComplete( ctx, ret );
 644         jsonObjectFree(ret);
 645     }
 646     free(spName);
 647     return 0;
 648 }
 649
 650 int commitTransaction ( osrfMethodContext* ctx ) {
 651         if(osrfMethodVerifyContext( ctx )) {
 652                 osrfLogError( OSRF_LOG_MARK,  "Invalid method context" );
 653                 return -1;
 654         }
 655
 656 #ifdef PCRUD
 657     jsonObject* user = verifyUserPCRUD( ctx );
 658     if (!user) return -1;
 659     jsonObjectFree(user);
 660 #endif
 661
 662     if (!osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )) {
 663         osrfAppSessionStatus( ctx->session, OSRF_STATUS_INTERNALSERVERERROR, "osrfMethodException", ctx->request, "No active transaction to commit" );
 664         return -1;
 665     }
 666
 667     dbi_result result = dbi_conn_query(writehandle, "COMMIT;");
 668     if (!result) {
 669         osrfLogError(OSRF_LOG_MARK, "%s: Error committing transaction", MODULENAME );
 670         osrfAppSessionStatus( ctx->session, OSRF_STATUS_INTERNALSERVERERROR, "osrfMethodException", ctx->request, "Error committing transaction" );
 671         return -1;
 672     } else {
 673         osrfHashRemove(ctx->session->userData, "xact_id");
 674         jsonObject* ret = jsonNewObject(ctx->session->session_id);
 675         osrfAppRespondComplete( ctx, ret );
 676         jsonObjectFree(ret);
 677     }
 678     return 0;
 679 }
 680
 681 int rollbackTransaction ( osrfMethodContext* ctx ) {
 682         if(osrfMethodVerifyContext( ctx )) {
 683                 osrfLogError( OSRF_LOG_MARK,  "Invalid method context" );
 684                 return -1;
 685         }
 686
 687 #ifdef PCRUD
 688     jsonObject* user = verifyUserPCRUD( ctx );
 689     if (!user) return -1;
 690     jsonObjectFree(user);
 691 #endif
 692
 693     if (!osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )) {
 694         osrfAppSessionStatus( ctx->session, OSRF_STATUS_INTERNALSERVERERROR, "osrfMethodException", ctx->request, "No active transaction to roll back" );
 695         return -1;
 696     }
 697
 698     dbi_result result = dbi_conn_query(writehandle, "ROLLBACK;");
 699     if (!result) {
 700         osrfLogError(OSRF_LOG_MARK, "%s: Error rolling back transaction", MODULENAME );
 701         osrfAppSessionStatus( ctx->session, OSRF_STATUS_INTERNALSERVERERROR, "osrfMethodException", ctx->request, "Error rolling back transaction" );
 702         return -1;
 703     } else {
 704         osrfHashRemove(ctx->session->userData, "xact_id");
 705         jsonObject* ret = jsonNewObject(ctx->session->session_id);
 706         osrfAppRespondComplete( ctx, ret );
 707         jsonObjectFree(ret);
 708     }
 709     return 0;
 710 }
 711
 712 int dispatchCRUDMethod ( osrfMethodContext* ctx ) {
 713         if(osrfMethodVerifyContext( ctx )) {
 714                 osrfLogError( OSRF_LOG_MARK,  "Invalid method context" );
 715                 return -1;
 716         }
 717
 718         osrfHash* meta = (osrfHash*) ctx->method->userData;
 719     osrfHash* class_obj = osrfHashGet( meta, "class" );
 720
 721     int err = 0;
 722
 723     const char* methodtype = osrfHashGet(meta, "methodtype");
 724     jsonObject * obj = NULL;
 725
 726     if (!strcmp(methodtype, "create")) {
 727         obj = doCreate(ctx, &err);
 728         osrfAppRespondComplete( ctx, obj );
 729     }
 730     else if (!strcmp(methodtype, "retrieve")) {
 731         obj = doRetrieve(ctx, &err);
 732         osrfAppRespondComplete( ctx, obj );
 733     }
 734     else if (!strcmp(methodtype, "update")) {
 735         obj = doUpdate(ctx, &err);
 736         osrfAppRespondComplete( ctx, obj );
 737     }
 738     else if (!strcmp(methodtype, "delete")) {
 739         obj = doDelete(ctx, &err);
 740         osrfAppRespondComplete( ctx, obj );
 741     }
 742     else if (!strcmp(methodtype, "search")) {
 743
 744         jsonObject* _p = jsonObjectClone( ctx->params );
 745 #ifdef PCRUD
 746         jsonObjectFree(_p);
 747         _p = jsonParseString("[]");
 748         jsonObjectPush(_p, jsonObjectClone(jsonObjectGetIndex(ctx->params, 1)));
 749         jsonObjectPush(_p, jsonObjectClone(jsonObjectGetIndex(ctx->params, 2)));
 750 #endif
 751
 752         obj = doFieldmapperSearch(ctx, class_obj, _p, &err);
 753
 754         jsonObjectFree(_p);
 755         if(err) return err;
 756
 757         jsonObject* cur;
 758         jsonIterator* itr = jsonNewIterator( obj );
 759         while ((cur = jsonIteratorNext( itr ))) {
 760 #ifdef PCRUD
 761             if(!verifyObjectPCRUD(ctx, cur)) continue;
 762 #endif
 763             osrfAppRespond( ctx, cur );
 764         }
 765         jsonIteratorFree(itr);
 766         osrfAppRespondComplete( ctx, NULL );
 767
 768     } else if (!strcmp(methodtype, "id_list")) {
 769
 770         jsonObject* _p = jsonObjectClone( ctx->params );
 771 #ifdef PCRUD
 772         jsonObjectFree(_p);
 773         _p = jsonParseString("[]");
 774         jsonObjectPush(_p, jsonObjectClone(jsonObjectGetIndex(ctx->params, 1)));
 775         jsonObjectPush(_p, jsonObjectClone(jsonObjectGetIndex(ctx->params, 2)));
 776 #endif
 777
 778         if (jsonObjectGetIndex( _p, 1 )) {
 779             jsonObjectRemoveKey( jsonObjectGetIndex( _p, 1 ), "select" );
 780             jsonObjectRemoveKey( jsonObjectGetIndex( _p, 1 ), "no_i18n" );
 781             jsonObjectRemoveKey( jsonObjectGetIndex( _p, 1 ), "flesh" );
 782             jsonObjectRemoveKey( jsonObjectGetIndex( _p, 1 ), "flesh_columns" );
 783         } else {
 784             jsonObjectSetIndex( _p, 1, jsonNewObjectType(JSON_HASH) );
 785         }
 786
 787                 jsonObjectSetKey( jsonObjectGetIndex( _p, 1 ), "no_i18n", jsonNewBoolObject( 1 ) );
 788
 789         jsonObjectSetKey(
 790             jsonObjectGetIndex( _p, 1 ),
 791             "select",
 792             jsonParseStringFmt(
 793                 "{ \"%s\":[\"%s\"] }",
 794                 osrfHashGet( class_obj, "classname" ),
 795                 osrfHashGet( class_obj, "primarykey" )
 796             )
 797         );
 798
 799         obj = doFieldmapperSearch(ctx, class_obj, _p, &err);
 800
 801         jsonObjectFree(_p);
 802         if(err) return err;
 803
 804         jsonObject* cur;
 805         jsonIterator* itr = jsonNewIterator( obj );
 806         while ((cur = jsonIteratorNext( itr ))) {
 807 #ifdef PCRUD
 808             if(!verifyObjectPCRUD(ctx, cur)) continue;
 809 #endif
 810             osrfAppRespond(
 811                     ctx,
 812                     oilsFMGetObject( cur, osrfHashGet( class_obj, "primarykey" ) )
 813                     );
 814         }
 815         jsonIteratorFree(itr);
 816         osrfAppRespondComplete( ctx, NULL );
 817
 818     } else {
 819         osrfAppRespondComplete( ctx, obj );
 820     }
 821
 822     jsonObjectFree(obj);
 823
 824     return err;
 825 }
 826
 827 static int verifyObjectClass ( osrfMethodContext* ctx, const jsonObject* param ) {
 828
 829     int ret = 1;
 830     osrfHash* meta = (osrfHash*) ctx->method->userData;
 831     osrfHash* class = osrfHashGet( meta, "class" );
 832
 833     if (!param->classname || (strcmp( osrfHashGet(class, "classname"), param->classname ))) {
 834
 835         growing_buffer* msg = buffer_init(128);
 836         buffer_fadd(
 837                 msg,
 838                 "%s: %s method for type %s was passed a %s",
 839                 MODULENAME,
 840                 osrfHashGet(meta, "methodtype"),
 841                 osrfHashGet(class, "classname"),
 842                 param->classname
 843                 );
 844
 845         char* m = buffer_release(msg);
 846         osrfAppSessionStatus( ctx->session, OSRF_STATUS_BADREQUEST, "osrfMethodException", ctx->request, m );
 847
 848         free(m);
 849
 850         return 0;
 851     }
 852
 853 #ifdef PCRUD
 854     ret = verifyObjectPCRUD( ctx, param );
 855 #endif
 856
 857     return ret;
 858 }
 859
 860 #ifdef PCRUD
 861
 862 static jsonObject* verifyUserPCRUD( osrfMethodContext* ctx ) {
 863     char* auth = jsonObjectToSimpleString( jsonObjectGetIndex( ctx->params, 0 ) );
 864     jsonObject* auth_object = jsonNewObject(auth);
 865     jsonObject* user = oilsUtilsQuickReq("open-ils.auth","open-ils.auth.session.retrieve", auth_object);
 866     jsonObjectFree(auth_object);
 867
 868     if (!user->classname || strcmp(user->classname, "au")) {
 869
 870         growing_buffer* msg = buffer_init(128);
 871         buffer_fadd(
 872             msg,
 873             "%s: permacrud received a bad auth token: %s",
 874             MODULENAME,
 875             auth
 876         );
 877
 878         char* m = buffer_release(msg);
 879         osrfAppSessionStatus( ctx->session, OSRF_STATUS_UNAUTHORIZED, "osrfMethodException", ctx->request, m );
 880
 881         free(m);
 882         jsonObjectFree(user);
 883         user = jsonNULL;
 884     }
 885
 886     free(auth);
 887     return user;
 888
 889 }
 890
 891 static int verifyObjectPCRUD (  osrfMethodContext* ctx, const jsonObject* obj ) {
 892
 893     dbhandle = writehandle;
 894
 895     osrfHash* meta = (osrfHash*) ctx->method->userData;
 896     osrfHash* class = osrfHashGet( meta, "class" );
 897     char* method_type = strdup( osrfHashGet(meta, "methodtype") );
 898     int fetch = 0;
 899
 900     if ( ( *method_type == 's' || *method_type == 'i' ) ) {
 901         free(method_type);
 902         method_type = strdup("retrieve"); // search and id_list are equivelant to retrieve for this
 903     } else if ( *method_type == 'u' || *method_type == 'd' ) {
 904         fetch = 1; // MUST go to the db for the object for update and delete
 905     }
 906
 907     osrfHash* pcrud = osrfHashGet( osrfHashGet(class, "permacrud"), method_type );
 908     free(method_type);
 909
 910     if (!pcrud) {
 911         // No permacrud for this method type on this class
 912
 913         growing_buffer* msg = buffer_init(128);
 914         buffer_fadd(
 915             msg,
 916             "%s: %s on class %s has no permacrud IDL entry",
 917             MODULENAME,
 918             osrfHashGet(meta, "methodtype"),
 919             osrfHashGet(class, "classname")
 920         );
 921
 922         char* m = buffer_release(msg);
 923         osrfAppSessionStatus( ctx->session, OSRF_STATUS_FORBIDDEN, "osrfMethodException", ctx->request, m );
 924
 925         free(m);
 926
 927         return 0;
 928     }
 929
 930     jsonObject* user = verifyUserPCRUD( ctx );
 931     if (!user) return 0;
 932
 933     int userid = atoi( oilsFMGetString( user, "id" ) );
 934     jsonObjectFree(user);
 935
 936     osrfStringArray* permission = osrfHashGet(pcrud, "permission");
 937     osrfStringArray* local_context = osrfHashGet(pcrud, "local_context");
 938     osrfHash* foreign_context = osrfHashGet(pcrud, "foreign_context");
 939
 940     osrfStringArray* context_org_array = osrfNewStringArray(1);
 941
 942     int err = 0;
 943     char* pkey_value = NULL;
 944         if ( str_is_true( osrfHashGet(pcrud, "global_required") ) ) {
 945             osrfLogDebug( OSRF_LOG_MARK, "global-level permissions required, fetching top of the org tree" );
 946
 947         // check for perm at top of org tree
 948         jsonObject* _tmp_params = jsonParseString("[{\"parent_ou\":null}]");
 949                 jsonObject* _list = doFieldmapperSearch(ctx, osrfHashGet( oilsIDL(), "aou" ), _tmp_params, &err);
 950
 951         jsonObject* _tree_top = jsonObjectGetIndex(_list, 0);
 952
 953         if (!_tree_top) {
 954             jsonObjectFree(_tmp_params);
 955             jsonObjectFree(_list);
 956
 957             growing_buffer* msg = buffer_init(128);
 958                         OSRF_BUFFER_ADD( msg, MODULENAME );
 959                         OSRF_BUFFER_ADD( msg,
 960                                 ": Internal error, could not find the top of the org tree (parent_ou = NULL)" );
 961
 962             char* m = buffer_release(msg);
 963             osrfAppSessionStatus( ctx->session, OSRF_STATUS_INTERNALSERVERERROR, "osrfMethodException", ctx->request, m );
 964             free(m);
 965
 966             return 0;
 967         }
 968
 969         osrfStringArrayAdd( context_org_array, oilsFMGetString( _tree_top, "id" ) );
 970             osrfLogDebug( OSRF_LOG_MARK, "top of the org tree is %s", osrfStringArrayGetString(context_org_array, 0) );
 971
 972         jsonObjectFree(_tmp_params);
 973         jsonObjectFree(_list);
 974
 975     } else {
 976             osrfLogDebug( OSRF_LOG_MARK, "global-level permissions not required, fetching context org ids" );
 977             char* pkey = osrfHashGet(class, "primarykey");
 978         jsonObject *param = NULL;
 979
 980         if (obj->classname) {
 981             pkey_value = oilsFMGetString( obj, pkey );
 982             if (!fetch) param = jsonObjectClone(obj);
 983                 osrfLogDebug( OSRF_LOG_MARK, "Object supplied, using primary key value of %s", pkey_value );
 984         } else {
 985             pkey_value = jsonObjectToSimpleString( obj );
 986             fetch = 1;
 987                 osrfLogDebug( OSRF_LOG_MARK, "Object not supplied, using primary key value of %s and retrieving from the database", pkey_value );
 988         }
 989
 990         if (fetch) {
 991             jsonObject* _tmp_params = jsonParseStringFmt("[{\"%s\":\"%s\"}]", pkey, pkey_value);
 992                 jsonObject* _list = doFieldmapperSearch(
 993                 ctx,
 994                 class,
 995                 _tmp_params,
 996                 &err
 997             );
 998
 999             param = jsonObjectClone(jsonObjectGetIndex(_list, 0));
1000
1001             jsonObjectFree(_tmp_params);
1002             jsonObjectFree(_list);
1003         }
1004
1005         if (!param) {
1006             osrfLogDebug( OSRF_LOG_MARK, "Object not found in the database with primary key %s of %s", pkey, pkey_value );
1007
1008             growing_buffer* msg = buffer_init(128);
1009             buffer_fadd(
1010                 msg,
1011                 "%s: no object found with primary key %s of %s",
1012                 MODULENAME,
1013                 pkey,
1014                 pkey_value
1015             );
1016
1017             char* m = buffer_release(msg);
1018             osrfAppSessionStatus(
1019                 ctx->session,
1020                 OSRF_STATUS_INTERNALSERVERERROR,
1021                 "osrfMethodException",
1022                 ctx->request,
1023                 m
1024             );
1025
1026             free(m);
1027             if (pkey_value) free(pkey_value);
1028
1029             return 0;
1030         }
1031
1032         if (local_context->size > 0) {
1033                 osrfLogDebug( OSRF_LOG_MARK, "%d class-local context field(s) specified", local_context->size);
1034             int i = 0;
1035             char* lcontext = NULL;
1036             while ( (lcontext = osrfStringArrayGetString(local_context, i++)) ) {
1037                 osrfStringArrayAdd( context_org_array, oilsFMGetString( param, lcontext ) );
1038                     osrfLogDebug(
1039                     OSRF_LOG_MARK,
1040                     "adding class-local field %s (value: %s) to the context org list",
1041                     lcontext,
1042                     osrfStringArrayGetString(context_org_array, context_org_array->size - 1)
1043                 );
1044             }
1045         }
1046
1047         osrfStringArray* class_list;
1048
1049         if (foreign_context) {
1050             class_list = osrfHashKeys( foreign_context );
1051                 osrfLogDebug( OSRF_LOG_MARK, "%d foreign context classes(s) specified", class_list->size);
1052
1053             if (class_list->size > 0) {
1054
1055                 int i = 0;
1056                 char* class_name = NULL;
1057                 while ( (class_name = osrfStringArrayGetString(class_list, i++)) ) {
1058                     osrfHash* fcontext = osrfHashGet(foreign_context, class_name);
1059
1060                         osrfLogDebug(
1061                         OSRF_LOG_MARK,
1062                         "%d foreign context fields(s) specified for class %s",
1063                         ((osrfStringArray*)osrfHashGet(fcontext,"context"))->size,
1064                         class_name
1065                     );
1066
1067                     char* foreign_pkey = osrfHashGet(fcontext, "field");
1068                     char* foreign_pkey_value = oilsFMGetString(param, osrfHashGet(fcontext, "fkey"));
1069
1070                     jsonObject* _tmp_params = jsonParseStringFmt(
1071                         "[{\"%s\":\"%s\"}]",
1072                         foreign_pkey,
1073                         foreign_pkey_value
1074                     );
1075
1076                         jsonObject* _list = doFieldmapperSearch(
1077                         ctx,
1078                         osrfHashGet( oilsIDL(), class_name ),
1079                         _tmp_params,
1080                         &err
1081                     );
1082
1083                     jsonObject* _fparam = jsonObjectClone(jsonObjectGetIndex(_list, 0));
1084                     jsonObjectFree(_tmp_params);
1085                     jsonObjectFree(_list);
1086
1087                     osrfStringArray* jump_list = osrfHashGet(fcontext, "jump");
1088
1089                     if (_fparam && jump_list) {
1090                         char* flink = NULL;
1091                         int k = 0;
1092                         while ( (flink = osrfStringArrayGetString(jump_list, k++)) && _fparam ) {
1093                             free(foreign_pkey_value);
1094
1095                             osrfHash* foreign_link_hash = oilsIDLFindPath( "/%s/links/%s", _fparam->classname, flink );
1096
1097                             foreign_pkey_value = oilsFMGetString(_fparam, flink);
1098                             foreign_pkey = osrfHashGet( foreign_link_hash, "key" );
1099
1100                             _tmp_params = jsonParseStringFmt(
1101                                 "[{\"%s\":\"%s\"}]",
1102                                 foreign_pkey,
1103                                 foreign_pkey_value
1104                             );
1105
1106                                 _list = doFieldmapperSearch(
1107                                 ctx,
1108                                 osrfHashGet( oilsIDL(), osrfHashGet( foreign_link_hash, "class" ) ),
1109                                 _tmp_params,
1110                                 &err
1111                             );
1112
1113                             _fparam = jsonObjectClone(jsonObjectGetIndex(_list, 0));
1114                             jsonObjectFree(_tmp_params);
1115                             jsonObjectFree(_list);
1116                         }
1117                     }
1118
1119
1120                     if (!_fparam) {
1121
1122                         growing_buffer* msg = buffer_init(128);
1123                         buffer_fadd(
1124                             msg,
1125                             "%s: no object found with primary key %s of %s",
1126                             MODULENAME,
1127                             foreign_pkey,
1128                             foreign_pkey_value
1129                         );
1130
1131                         char* m = buffer_release(msg);
1132                         osrfAppSessionStatus(
1133                             ctx->session,
1134                             OSRF_STATUS_INTERNALSERVERERROR,
1135                             "osrfMethodException",
1136                             ctx->request,
1137                             m
1138                         );
1139
1140                         free(m);
1141                         osrfStringArrayFree(class_list);
1142                         free(foreign_pkey_value);
1143                         jsonObjectFree(param);
1144
1145                         return 0;
1146                     }
1147
1148                     free(foreign_pkey_value);
1149
1150                     int j = 0;
1151                     char* foreign_field = NULL;
1152                     while ( (foreign_field = osrfStringArrayGetString(osrfHashGet(fcontext,"context"), j++)) ) {
1153                         osrfStringArrayAdd( context_org_array, oilsFMGetString( _fparam, foreign_field ) );
1154                             osrfLogDebug(
1155                             OSRF_LOG_MARK,
1156                             "adding foreign class %s field %s (value: %s) to the context org list",
1157                             class_name,
1158                             foreign_field,
1159                             osrfStringArrayGetString(context_org_array, context_org_array->size - 1)
1160                         );
1161                     }
1162
1163                     jsonObjectFree(_fparam);
1164                 }
1165
1166                 osrfStringArrayFree(class_list);
1167             }
1168         }
1169
1170         jsonObjectFree(param);
1171     }
1172
1173     char* context_org = NULL;
1174     char* perm = NULL;
1175     int OK = 0;
1176
1177     if (permission->size == 0) {
1178             osrfLogDebug( OSRF_LOG_MARK, "No permission specified for this action, passing through" );
1179         OK = 1;
1180     }
1181
1182     int i = 0;
1183     while ( (perm = osrfStringArrayGetString(permission, i++)) ) {
1184         int j = 0;
1185         while ( (context_org = osrfStringArrayGetString(context_org_array, j++)) ) {
1186             dbi_result result;
1187
1188             if (pkey_value) {
1189                     osrfLogDebug(
1190                     OSRF_LOG_MARK,
1191                     "Checking object permission [%s] for user %d on object %s (class %s) at org %d",
1192                     perm,
1193                     userid,
1194                     pkey_value,
1195                     osrfHashGet(class, "classname"),
1196                     atoi(context_org)
1197                 );
1198
1199                 result = dbi_conn_queryf(
1200                     writehandle,
1201                     "SELECT permission.usr_has_object_perm(%d, '%s', '%s', '%s', %d) AS has_perm;",
1202                     userid,
1203                     perm,
1204                     osrfHashGet(class, "classname"),
1205                     pkey_value,
1206                     atoi(context_org)
1207                 );
1208
1209                 if (result) {
1210                     osrfLogDebug(
1211                         OSRF_LOG_MARK,
1212                         "Recieved a result for object permission [%s] for user %d on object %s (class %s) at org %d",
1213                         perm,
1214                         userid,
1215                         pkey_value,
1216                         osrfHashGet(class, "classname"),
1217                         atoi(context_org)
1218                     );
1219
1220                     if (dbi_result_first_row(result)) {
1221                         jsonObject* return_val = oilsMakeJSONFromResult( result );
1222                         char* has_perm = jsonObjectToSimpleString( jsonObjectGetKeyConst(return_val, "has_perm") );
1223
1224                             osrfLogDebug(
1225                             OSRF_LOG_MARK,
1226                             "Status of object permission [%s] for user %d on object %s (class %s) at org %d is %s",
1227                             perm,
1228                             userid,
1229                             pkey_value,
1230                             osrfHashGet(class, "classname"),
1231                             atoi(context_org),
1232                             has_perm
1233                         );
1234
1235                         if ( *has_perm == 't' ) OK = 1;
1236                         free(has_perm);
1237                         jsonObjectFree(return_val);
1238                     }
1239
1240                     dbi_result_free(result);
1241                     if (OK) break;
1242                 }
1243             }
1244
1245                 osrfLogDebug( OSRF_LOG_MARK, "Checking non-object permission [%s] for user %d at org %d", perm, userid, atoi(context_org) );
1246             result = dbi_conn_queryf(
1247                 writehandle,
1248                 "SELECT permission.usr_has_perm(%d, '%s', %d) AS has_perm;",
1249                 userid,
1250                 perm,
1251                 atoi(context_org)
1252             );
1253
1254             if (result) {
1255                     osrfLogDebug( OSRF_LOG_MARK, "Recieved a result for permission [%s] for user %d at org %d", perm, userid, atoi(context_org) );
1256                 if (dbi_result_first_row(result)) {
1257                     jsonObject* return_val = oilsMakeJSONFromResult( result );
1258                     char* has_perm = jsonObjectToSimpleString( jsonObjectGetKeyConst(return_val, "has_perm") );
1259                         osrfLogDebug( OSRF_LOG_MARK, "Status of permission [%s] for user %d at org %d is [%s]", perm, userid, atoi(context_org), has_perm );
1260                     if ( *has_perm == 't' ) OK = 1;
1261                     free(has_perm);
1262                     jsonObjectFree(return_val);
1263                 }
1264
1265                 dbi_result_free(result);
1266                 if (OK) break;
1267             }
1268
1269         }
1270         if (OK) break;
1271     }
1272
1273     if (pkey_value) free(pkey_value);
1274     osrfStringArrayFree(context_org_array);
1275
1276     return OK;
1277 }
1278 #endif
1279
1280
1281 static jsonObject* doCreate(osrfMethodContext* ctx, int* err ) {
1282
1283         osrfHash* meta = osrfHashGet( (osrfHash*) ctx->method->userData, "class" );
1284 #ifdef PCRUD
1285         jsonObject* target = jsonObjectGetIndex( ctx->params, 1 );
1286         jsonObject* options = jsonObjectGetIndex( ctx->params, 2 );
1287 #else
1288         jsonObject* target = jsonObjectGetIndex( ctx->params, 0 );
1289         jsonObject* options = jsonObjectGetIndex( ctx->params, 1 );
1290 #endif
1291
1292         if (!verifyObjectClass(ctx, target)) {
1293                 *err = -1;
1294                 return jsonNULL;
1295         }
1296
1297         osrfLogDebug( OSRF_LOG_MARK, "Object seems to be of the correct type" );
1298
1299         if (!ctx->session || !ctx->session->userData || !osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )) {
1300                 osrfLogError( OSRF_LOG_MARK, "No active transaction -- required for CREATE" );
1301
1302                 osrfAppSessionStatus(
1303                         ctx->session,
1304                         OSRF_STATUS_BADREQUEST,
1305                         "osrfMethodException",
1306                         ctx->request,
1307                         "No active transaction -- required for CREATE"
1308                 );
1309                 *err = -1;
1310                 return jsonNULL;
1311         }
1312
1313         // The following test is harmless but redundant.  If a class is
1314         // readonly, we don't register a create method for it.
1315         if( str_is_true( osrfHashGet( meta, "readonly" ) ) ) {
1316                 osrfAppSessionStatus(
1317                         ctx->session,
1318                         OSRF_STATUS_BADREQUEST,
1319                         "osrfMethodException",
1320                         ctx->request,
1321                         "Cannot INSERT readonly class"
1322                 );
1323                 *err = -1;
1324                 return jsonNULL;
1325         }
1326
1327
1328         char* trans_id = osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" );
1329
1330         // Set the last_xact_id
1331         int index = oilsIDL_ntop( target->classname, "last_xact_id" );
1332         if (index > -1) {
1333                 osrfLogDebug(OSRF_LOG_MARK, "Setting last_xact_id to %s on %s at position %d", trans_id, target->classname, index);
1334                 jsonObjectSetIndex(target, index, jsonNewObject(trans_id));
1335         }
1336
1337         osrfLogDebug( OSRF_LOG_MARK, "There is a transaction running..." );
1338
1339         dbhandle = writehandle;
1340
1341         osrfHash* fields = osrfHashGet(meta, "fields");
1342         char* pkey = osrfHashGet(meta, "primarykey");
1343         char* seq = osrfHashGet(meta, "sequence");
1344
1345         growing_buffer* table_buf = buffer_init(128);
1346         growing_buffer* col_buf = buffer_init(128);
1347         growing_buffer* val_buf = buffer_init(128);
1348
1349         OSRF_BUFFER_ADD(table_buf, "INSERT INTO ");
1350         OSRF_BUFFER_ADD(table_buf, osrfHashGet(meta, "tablename"));
1351         OSRF_BUFFER_ADD_CHAR( col_buf, '(' );
1352         buffer_add(val_buf,"VALUES (");
1353
1354
1355         int i = 0;
1356         int first = 1;
1357         char* field_name;
1358         osrfStringArray* field_list = osrfHashKeys( fields );
1359         while ( (field_name = osrfStringArrayGetString(field_list, i++)) ) {
1360
1361                 osrfHash* field = osrfHashGet( fields, field_name );
1362
1363                 if( str_is_true( osrfHashGet( field, "virtual" ) ) )
1364                         continue;
1365
1366                 const jsonObject* field_object = oilsFMGetObject( target, field_name );
1367
1368                 char* value;
1369                 if (field_object && field_object->classname) {
1370                         value = oilsFMGetString(
1371                                 field_object,
1372                                 (char*)oilsIDLFindPath("/%s/primarykey", field_object->classname)
1373                         );
1374                 } else {
1375                         value = jsonObjectToSimpleString( field_object );
1376                 }
1377
1378
1379                 if (first) {
1380                         first = 0;
1381                 } else {
1382                         OSRF_BUFFER_ADD_CHAR( col_buf, ',' );
1383                         OSRF_BUFFER_ADD_CHAR( val_buf, ',' );
1384                 }
1385
1386                 buffer_add(col_buf, field_name);
1387
1388                 if (!field_object || field_object->type == JSON_NULL) {
1389                         buffer_add( val_buf, "DEFAULT" );
1390
1391                 } else if ( !strcmp(osrfHashGet(field, "primitive"), "number") ) {
1392                         if ( !strcmp(osrfHashGet(field, "datatype"), "INT8") ) {
1393                                 buffer_fadd( val_buf, "%lld", atoll(value) );
1394
1395                         } else if ( !strcmp(osrfHashGet(field, "datatype"), "INT") ) {
1396                                 buffer_fadd( val_buf, "%d", atoi(value) );
1397
1398                         } else if ( !strcmp(osrfHashGet(field, "datatype"), "NUMERIC") ) {
1399                                 buffer_fadd( val_buf, "%f", atof(value) );
1400                         }
1401                 } else {
1402                         if ( dbi_conn_quote_string(writehandle, &value) ) {
1403                                 OSRF_BUFFER_ADD( val_buf, value );
1404
1405                         } else {
1406                                 osrfLogError(OSRF_LOG_MARK, "%s: Error quoting string [%s]", MODULENAME, value);
1407                                 osrfAppSessionStatus(
1408                                         ctx->session,
1409                                         OSRF_STATUS_INTERNALSERVERERROR,
1410                                         "osrfMethodException",
1411                                         ctx->request,
1412                                         "Error quoting string -- please see the error log for more details"
1413                                 );
1414                                 free(value);
1415                                 buffer_free(table_buf);
1416                                 buffer_free(col_buf);
1417                                 buffer_free(val_buf);
1418                                 *err = -1;
1419                                 return jsonNULL;
1420                         }
1421                 }
1422
1423                 free(value);
1424
1425         }
1426
1427
1428         OSRF_BUFFER_ADD_CHAR( col_buf, ')' );
1429         OSRF_BUFFER_ADD_CHAR( val_buf, ')' );
1430
1431         char* table_str = buffer_release(table_buf);
1432         char* col_str   = buffer_release(col_buf);
1433         char* val_str   = buffer_release(val_buf);
1434         growing_buffer* sql = buffer_init(128);
1435         buffer_fadd( sql, "%s %s %s;", table_str, col_str, val_str );
1436         free(table_str);
1437         free(col_str);
1438         free(val_str);
1439
1440         char* query = buffer_release(sql);
1441
1442         osrfLogDebug(OSRF_LOG_MARK, "%s: Insert SQL [%s]", MODULENAME, query);
1443
1444
1445         dbi_result result = dbi_conn_query(writehandle, query);
1446
1447         jsonObject* obj = NULL;
1448
1449         if (!result) {
1450                 obj = jsonNewObject(NULL);
1451                 osrfLogError(
1452                         OSRF_LOG_MARK,
1453                         "%s ERROR inserting %s object using query [%s]",
1454                         MODULENAME,
1455                         osrfHashGet(meta, "fieldmapper"),
1456                         query
1457                 );
1458                 osrfAppSessionStatus(
1459                         ctx->session,
1460                         OSRF_STATUS_INTERNALSERVERERROR,
1461                         "osrfMethodException",
1462                         ctx->request,
1463                         "INSERT error -- please see the error log for more details"
1464                 );
1465                 *err = -1;
1466         } else {
1467
1468                 char* id = oilsFMGetString(target, pkey);
1469                 if (!id) {
1470                         unsigned long long new_id = dbi_conn_sequence_last(writehandle, seq);
1471                         growing_buffer* _id = buffer_init(10);
1472                         buffer_fadd(_id, "%lld", new_id);
1473                         id = buffer_release(_id);
1474                 }
1475
1476                 // Find quietness specification, if present
1477                 char* quiet_str = NULL;
1478                 if ( options ) {
1479                         const jsonObject* quiet_obj = jsonObjectGetKeyConst( options, "quiet" );
1480                         if( quiet_obj )
1481                                 quiet_str = jsonObjectToSimpleString( quiet_obj );
1482                 }
1483
1484                 if( str_is_true( quiet_str ) ) {  // if quietness is specified
1485                         obj = jsonNewObject(id);
1486                 }
1487                 else {
1488
1489                         jsonObject* fake_params = jsonNewObjectType(JSON_ARRAY);
1490                         jsonObjectPush(fake_params, jsonNewObjectType(JSON_HASH));
1491
1492                         jsonObjectSetKey(
1493                                 jsonObjectGetIndex(fake_params, 0),
1494                                 pkey,
1495                                 jsonNewObject(id)
1496                         );
1497
1498                         jsonObject* list = doFieldmapperSearch( ctx,meta, fake_params, err);
1499
1500                         if(*err) {
1501                                 jsonObjectFree( fake_params );
1502                                 obj = jsonNULL;
1503                         } else {
1504                                 obj = jsonObjectClone( jsonObjectGetIndex(list, 0) );
1505                         }
1506
1507                         jsonObjectFree( list );
1508                         jsonObjectFree( fake_params );
1509                 }
1510
1511                 if(quiet_str) free(quiet_str);
1512                 free(id);
1513         }
1514
1515         free(query);
1516
1517         return obj;
1518
1519 }
1520
1521
1522 static jsonObject* doRetrieve(osrfMethodContext* ctx, int* err ) {
1523
1524     int id_pos = 0;
1525     int order_pos = 1;
1526
1527 #ifdef PCRUD
1528     id_pos = 1;
1529     order_pos = 2;
1530 #endif
1531
1532         osrfHash* meta = osrfHashGet( (osrfHash*) ctx->method->userData, "class" );
1533
1534         char* id = jsonObjectToSimpleString(jsonObjectGetIndex(ctx->params, id_pos));
1535         jsonObject* order_hash = jsonObjectGetIndex(ctx->params, order_pos);
1536
1537         osrfLogDebug(
1538                 OSRF_LOG_MARK,
1539                 "%s retrieving %s object with primary key value of %s",
1540                 MODULENAME,
1541                 osrfHashGet(meta, "fieldmapper"),
1542                 id
1543         );
1544         free(id);
1545
1546         jsonObject* fake_params = jsonNewObjectType(JSON_ARRAY);
1547         jsonObjectPush(fake_params, jsonNewObjectType(JSON_HASH));
1548
1549         jsonObjectSetKey(
1550                 jsonObjectGetIndex(fake_params, 0),
1551                 osrfHashGet(meta, "primarykey"),
1552                 jsonObjectClone(jsonObjectGetIndex(ctx->params, id_pos))
1553         );
1554
1555
1556         if (order_hash) jsonObjectPush(fake_params, jsonObjectClone(order_hash) );
1557
1558         jsonObject* list = doFieldmapperSearch( ctx,meta, fake_params, err);
1559
1560         if(*err) {
1561                 jsonObjectFree( fake_params );
1562                 return jsonNULL;
1563         }
1564
1565         jsonObject* obj = jsonObjectClone( jsonObjectGetIndex(list, 0) );
1566
1567         jsonObjectFree( list );
1568         jsonObjectFree( fake_params );
1569
1570 #ifdef PCRUD
1571         if(!verifyObjectPCRUD(ctx, obj)) {
1572         jsonObjectFree(obj);
1573         *err = -1;
1574
1575         growing_buffer* msg = buffer_init(128);
1576                 OSRF_BUFFER_ADD( msg, MODULENAME );
1577                 OSRF_BUFFER_ADD( msg, ": Insufficient permissions to retrieve object" );
1578
1579         char* m = buffer_release(msg);
1580         osrfAppSessionStatus( ctx->session, OSRF_STATUS_NOTALLOWED, "osrfMethodException", ctx->request, m );
1581
1582         free(m);
1583
1584                 return jsonNULL;
1585         }
1586 #endif
1587
1588         return obj;
1589 }
1590
1591 static char* jsonNumberToDBString ( osrfHash* field, const jsonObject* value ) {
1592         growing_buffer* val_buf = buffer_init(32);
1593
1594         if ( !strncmp(osrfHashGet(field, "datatype"), "INT", (size_t)3) ) {
1595                 if (value->type == JSON_NUMBER) buffer_fadd( val_buf, "%ld", (long)jsonObjectGetNumber(value) );
1596                 else {
1597                         char* val_str = jsonObjectToSimpleString(value);
1598                         buffer_fadd( val_buf, "%ld", atol(val_str) );
1599                         free(val_str);
1600                 }
1601
1602         } else if ( !strcmp(osrfHashGet(field, "datatype"), "NUMERIC") ) {
1603                 if (value->type == JSON_NUMBER) buffer_fadd( val_buf, "%f",  jsonObjectGetNumber(value) );
1604                 else {
1605                         char* val_str = jsonObjectToSimpleString(value);
1606                         buffer_fadd( val_buf, "%f", atof(val_str) );
1607                         free(val_str);
1608                 }
1609         }
1610
1611         return buffer_release(val_buf);
1612 }
1613
1614 static char* searchINPredicate (const char* class, osrfHash* field,
1615                 jsonObject* node, const char* op, osrfMethodContext* ctx ) {
1616         growing_buffer* sql_buf = buffer_init(32);
1617
1618         buffer_fadd(
1619                 sql_buf,
1620                 "\"%s\".%s ",
1621                 class,
1622                 osrfHashGet(field, "name")
1623         );
1624
1625         if (!op) {
1626                 buffer_add(sql_buf, "IN (");
1627         } else if (!(strcasecmp(op,"not in"))) {
1628                 buffer_add(sql_buf, "NOT IN (");
1629         } else {
1630                 buffer_add(sql_buf, "IN (");
1631         }
1632
1633     if (node->type == JSON_HASH) {
1634         // subquery predicate
1635         char* subpred = SELECT(
1636             ctx,
1637             jsonObjectGetKey( node, "select" ),
1638             jsonObjectGetKey( node, "from" ),
1639             jsonObjectGetKey( node, "where" ),
1640             jsonObjectGetKey( node, "having" ),
1641             jsonObjectGetKey( node, "order_by" ),
1642             jsonObjectGetKey( node, "limit" ),
1643             jsonObjectGetKey( node, "offset" ),
1644             SUBSELECT
1645         );
1646
1647         buffer_add(sql_buf, subpred);
1648         free(subpred);
1649
1650     } else if (node->type == JSON_ARRAY) {
1651         // litteral value list
1652         int in_item_index = 0;
1653         int in_item_first = 1;
1654         jsonObject* in_item;
1655         while ( (in_item = jsonObjectGetIndex(node, in_item_index++)) ) {
1656
1657                 if (in_item_first)
1658                         in_item_first = 0;
1659                 else
1660                         buffer_add(sql_buf, ", ");
1661
1662                 if ( !strcmp(osrfHashGet(field, "primitive"), "number") ) {
1663                         char* val = jsonNumberToDBString( field, in_item );
1664                         OSRF_BUFFER_ADD( sql_buf, val );
1665                         free(val);
1666
1667                 } else {
1668                         char* key_string = jsonObjectToSimpleString(in_item);
1669                         if ( dbi_conn_quote_string(dbhandle, &key_string) ) {
1670                                 OSRF_BUFFER_ADD( sql_buf, key_string );
1671                                 free(key_string);
1672                         } else {
1673                                 osrfLogError(OSRF_LOG_MARK, "%s: Error quoting key string [%s]", MODULENAME, key_string);
1674                                 free(key_string);
1675                                 buffer_free(sql_buf);
1676                                 return NULL;
1677                         }
1678                 }
1679         }
1680     }
1681
1682         OSRF_BUFFER_ADD_CHAR( sql_buf, ')' );
1683
1684         return buffer_release(sql_buf);
1685 }
1686
1687 // Receive a JSON_ARRAY representing a function call.  The first
1688 // entry in the array is the function name.  The rest are parameters.
1689 static char* searchValueTransform( const jsonObject* array ) {
1690         growing_buffer* sql_buf = buffer_init(32);
1691
1692         char* val = NULL;
1693         jsonObject* func_item;
1694
1695         // Get the function name
1696         if( array->size > 0 ) {
1697                 func_item = jsonObjectGetIndex( array, 0 );
1698                 val = jsonObjectToSimpleString( func_item );
1699                 OSRF_BUFFER_ADD( sql_buf, val );
1700                 OSRF_BUFFER_ADD( sql_buf, "( " );
1701                 free(val);
1702         }
1703
1704         // Get the parameters
1705         int func_item_index = 1;   // We already grabbed the zeroth entry
1706         while ( (func_item = jsonObjectGetIndex(array, func_item_index++)) ) {
1707
1708                 // Add a separator comma, if we need one
1709                 if( func_item_index > 2 )
1710                         buffer_add( sql_buf, ", " );
1711
1712                 // Add the current parameter
1713                 if (func_item->type == JSON_NULL) {
1714                         buffer_add( sql_buf, "NULL" );
1715                 } else {
1716                         val = jsonObjectToSimpleString(func_item);
1717                         if ( dbi_conn_quote_string(dbhandle, &val) ) {
1718                                 OSRF_BUFFER_ADD( sql_buf, val );
1719                                 free(val);
1720                         } else {
1721                                 osrfLogError(OSRF_LOG_MARK, "%s: Error quoting key string [%s]", MODULENAME, val);
1722                                 buffer_free(sql_buf);
1723                                 free(val);
1724                                 return NULL;
1725                         }
1726                 }
1727         }
1728
1729         buffer_add( sql_buf, " )" );
1730
1731         return buffer_release(sql_buf);
1732 }
1733
1734 static char* searchFunctionPredicate (const char* class, osrfHash* field,
1735                 const jsonObject* node, const char* node_key) {
1736         growing_buffer* sql_buf = buffer_init(32);
1737
1738         char* val = searchValueTransform(node);
1739
1740         buffer_fadd(
1741                 sql_buf,
1742                 "\"%s\".%s %s %s",
1743                 class,
1744                 osrfHashGet(field, "name"),
1745                 node_key,
1746                 val
1747         );
1748
1749         free(val);
1750
1751         return buffer_release(sql_buf);
1752 }
1753
1754 // class is a class name
1755 // field is a field definition as stored in the IDL
1756 // node comes from the method parameter, and represents an entry in the SELECT list
1757 static char* searchFieldTransform (const char* class, osrfHash* field, const jsonObject* node) {
1758         growing_buffer* sql_buf = buffer_init(32);
1759
1760         char* field_transform = jsonObjectToSimpleString( jsonObjectGetKeyConst( node, "transform" ) );
1761         char* transform_subcolumn = jsonObjectToSimpleString( jsonObjectGetKeyConst( node, "result_field" ) );
1762
1763         if(transform_subcolumn)
1764                 OSRF_BUFFER_ADD_CHAR( sql_buf, '(' );    // enclose transform in parentheses
1765
1766         if (field_transform) {
1767                 buffer_fadd( sql_buf, "%s(\"%s\".%s", field_transform, class, osrfHashGet(field, "name"));
1768             const jsonObject* array = jsonObjectGetKeyConst( node, "params" );
1769
1770         if (array) {
1771                 int func_item_index = 0;
1772                 jsonObject* func_item;
1773                 while ( (func_item = jsonObjectGetIndex(array, func_item_index++)) ) {
1774
1775                         char* val = jsonObjectToSimpleString(func_item);
1776
1777                     if ( !val ) {
1778                             buffer_add( sql_buf, ",NULL" );
1779                     } else if ( dbi_conn_quote_string(dbhandle, &val) ) {
1780                                         OSRF_BUFFER_ADD_CHAR( sql_buf, ',' );
1781                                         OSRF_BUFFER_ADD( sql_buf, val );
1782                         } else {
1783                                 osrfLogError(OSRF_LOG_MARK, "%s: Error quoting key string [%s]", MODULENAME, val);
1784                                         free(transform_subcolumn);
1785                                         free(field_transform);
1786                                         free(val);
1787                                 buffer_free(sql_buf);
1788                                 return NULL;
1789                 }
1790                                 free(val);
1791                         }
1792         }
1793
1794                 buffer_add( sql_buf, " )" );
1795
1796         } else {
1797                 buffer_fadd( sql_buf, "\"%s\".%s", class, osrfHashGet(field, "name"));
1798         }
1799
1800     if (transform_subcolumn)
1801         buffer_fadd( sql_buf, ").\"%s\"", transform_subcolumn );
1802
1803         if (field_transform) free(field_transform);
1804         if (transform_subcolumn) free(transform_subcolumn);
1805
1806         return buffer_release(sql_buf);
1807 }
1808
1809 static char* searchFieldTransformPredicate (const char* class, osrfHash* field, jsonObject* node, const char* node_key) {
1810         char* field_transform = searchFieldTransform( class, field, node );
1811         char* value = NULL;
1812
1813         if (!jsonObjectGetKeyConst( node, "value" )) {
1814                 value = searchWHERE( node, osrfHashGet( oilsIDL(), class ), AND_OP_JOIN, NULL );
1815         } else if (jsonObjectGetKeyConst( node, "value" )->type == JSON_ARRAY) {
1816                 value = searchValueTransform(jsonObjectGetKeyConst( node, "value" ));
1817         } else if (jsonObjectGetKeyConst( node, "value" )->type == JSON_HASH) {
1818                 value = searchWHERE( jsonObjectGetKeyConst( node, "value" ), osrfHashGet( oilsIDL(), class ), AND_OP_JOIN, NULL );
1819         } else if (jsonObjectGetKeyConst( node, "value" )->type != JSON_NULL) {
1820                 if ( !strcmp(osrfHashGet(field, "primitive"), "number") ) {
1821                         value = jsonNumberToDBString( field, jsonObjectGetKeyConst( node, "value" ) );
1822                 } else {
1823                         value = jsonObjectToSimpleString(jsonObjectGetKeyConst( node, "value" ));
1824                         if ( !dbi_conn_quote_string(dbhandle, &value) ) {
1825                                 osrfLogError(OSRF_LOG_MARK, "%s: Error quoting key string [%s]", MODULENAME, value);
1826                                 free(value);
1827                                 free(field_transform);
1828                                 return NULL;
1829                         }
1830                 }
1831         }
1832
1833         growing_buffer* sql_buf = buffer_init(32);
1834
1835         buffer_fadd(
1836                 sql_buf,
1837                 "%s %s %s",
1838                 field_transform,
1839                 node_key,
1840                 value
1841         );
1842
1843         free(value);
1844         free(field_transform);
1845
1846         return buffer_release(sql_buf);
1847 }
1848
1849 static char* searchSimplePredicate (const char* orig_op, const char* class,
1850                 osrfHash* field, const jsonObject* node) {
1851
1852         char* val = NULL;
1853
1854         if (node->type != JSON_NULL) {
1855                 if ( !strcmp(osrfHashGet(field, "primitive"), "number") ) {
1856                         val = jsonNumberToDBString( field, node );
1857                 } else {
1858                         val = jsonObjectToSimpleString(node);
1859                 }
1860         }
1861
1862         char* pred = searchWriteSimplePredicate( class, field, osrfHashGet(field, "name"), orig_op, val );
1863
1864         if (val) free(val);
1865
1866         return pred;
1867 }
1868
1869 static char* searchWriteSimplePredicate ( const char* class, osrfHash* field,
1870         const char* left, const char* orig_op, const char* right ) {
1871
1872         char* val = NULL;
1873         char* op = NULL;
1874         if (right == NULL) {
1875                 val = strdup("NULL");
1876
1877                 if (strcmp( orig_op, "=" ))
1878                         op = strdup("IS NOT");
1879                 else
1880                         op = strdup("IS");
1881
1882         } else if ( !strcmp(osrfHashGet(field, "primitive"), "number") ) {
1883                 val = strdup(right);
1884                 op = strdup(orig_op);
1885
1886         } else {
1887                 val = strdup(right);
1888                 if ( !dbi_conn_quote_string(dbhandle, &val) ) {
1889                         osrfLogError(OSRF_LOG_MARK, "%s: Error quoting key string [%s]", MODULENAME, val);
1890                         free(val);
1891                         return NULL;
1892                 }
1893                 op = strdup(orig_op);
1894         }
1895
1896         growing_buffer* sql_buf = buffer_init(16);
1897         buffer_fadd( sql_buf, "\"%s\".%s %s %s", class, left, op, val );
1898         free(val);
1899         free(op);
1900
1901         return buffer_release(sql_buf);
1902 }
1903
1904 static char* searchBETWEENPredicate (const char* class, osrfHash* field, jsonObject* node) {
1905
1906         char* x_string;
1907         char* y_string;
1908
1909         if ( !strcmp(osrfHashGet(field, "primitive"), "number") ) {
1910                 x_string = jsonNumberToDBString(field, jsonObjectGetIndex(node,0));
1911                 y_string = jsonNumberToDBString(field, jsonObjectGetIndex(node,1));
1912
1913         } else {
1914                 x_string = jsonObjectToSimpleString(jsonObjectGetIndex(node,0));
1915                 y_string = jsonObjectToSimpleString(jsonObjectGetIndex(node,1));
1916                 if ( !(dbi_conn_quote_string(dbhandle, &x_string) && dbi_conn_quote_string(dbhandle, &y_string)) ) {
1917                         osrfLogError(OSRF_LOG_MARK, "%s: Error quoting key strings [%s] and [%s]", MODULENAME, x_string, y_string);
1918                         free(x_string);
1919                         free(y_string);
1920                         return NULL;
1921                 }
1922         }
1923
1924         growing_buffer* sql_buf = buffer_init(32);
1925         buffer_fadd( sql_buf, "%s BETWEEN %s AND %s", osrfHashGet(field, "name"), x_string, y_string );
1926         free(x_string);
1927         free(y_string);
1928
1929         return buffer_release(sql_buf);
1930 }
1931
1932 static char* searchPredicate ( const char* class, osrfHash* field,
1933                                                            jsonObject* node, osrfMethodContext* ctx ) {
1934
1935         char* pred = NULL;
1936         if (node->type == JSON_ARRAY) { // equality IN search
1937                 pred = searchINPredicate( class, field, node, NULL, ctx );
1938         } else if (node->type == JSON_HASH) { // non-equality search
1939                 jsonObject* pred_node;
1940                 jsonIterator* pred_itr = jsonNewIterator( node );
1941                 while ( (pred_node = jsonIteratorNext( pred_itr )) ) {
1942                         if ( !(strcasecmp( pred_itr->key,"between" )) )
1943                                 pred = searchBETWEENPredicate( class, field, pred_node );
1944                         else if ( !(strcasecmp( pred_itr->key,"in" )) || !(strcasecmp( pred_itr->key,"not in" )) )
1945                                 pred = searchINPredicate( class, field, pred_node, pred_itr->key, ctx );
1946                         else if ( pred_node->type == JSON_ARRAY )
1947                                 pred = searchFunctionPredicate( class, field, pred_node, pred_itr->key );
1948                         else if ( pred_node->type == JSON_HASH )
1949                                 pred = searchFieldTransformPredicate( class, field, pred_node, pred_itr->key );
1950                         else
1951                                 pred = searchSimplePredicate( pred_itr->key, class, field, pred_node );
1952
1953                         break;
1954                 }
1955         jsonIteratorFree(pred_itr);
1956         } else if (node->type == JSON_NULL) { // IS NULL search
1957                 growing_buffer* _p = buffer_init(64);
1958                 buffer_fadd(
1959                         _p,
1960                         "\"%s\".%s IS NULL",
1961                         class,
1962                         osrfHashGet(field, "name")
1963                 );
1964                 pred = buffer_release(_p);
1965         } else { // equality search
1966                 pred = searchSimplePredicate( "=", class, field, node );
1967         }
1968
1969         return pred;
1970
1971 }
1972
1973
1974 /*
1975
1976 join : {
1977         acn : {
1978                 field : record,
1979                 fkey : id
1980                 type : left
1981                 filter_op : or
1982                 filter : { ... },
1983                 join : {
1984                         acp : {
1985                                 field : call_number,
1986                                 fkey : id,
1987                                 filter : { ... },
1988                         },
1989                 },
1990         },
1991         mrd : {
1992                 field : record,
1993                 type : inner
1994                 fkey : id,
1995                 filter : { ... },
1996         }
1997 }
1998
1999 */
2000
2001 static char* searchJOIN ( const jsonObject* join_hash, osrfHash* leftmeta ) {
2002
2003         const jsonObject* working_hash;
2004         jsonObject* freeable_hash = NULL;
2005
2006         if (join_hash->type == JSON_STRING) {
2007                 // create a wrapper around a copy of the original
2008                 char* _tmp = jsonObjectToSimpleString( join_hash );
2009                 freeable_hash = jsonNewObjectType(JSON_HASH);
2010                 jsonObjectSetKey(freeable_hash, _tmp, NULL);
2011                 free(_tmp);
2012                 working_hash = freeable_hash;
2013         }
2014         else
2015                 working_hash = join_hash;
2016
2017         growing_buffer* join_buf = buffer_init(128);
2018         const char* leftclass = osrfHashGet(leftmeta, "classname");
2019
2020         jsonObject* snode = NULL;
2021         jsonIterator* search_itr = jsonNewIterator( working_hash );
2022         if(freeable_hash)
2023                 jsonObjectFree(freeable_hash);
2024
2025         while ( (snode = jsonIteratorNext( search_itr )) ) {
2026                 osrfHash* idlClass = osrfHashGet( oilsIDL(), search_itr->key );
2027
2028                 const char* class = osrfHashGet(idlClass, "classname");
2029
2030                 char* fkey = jsonObjectToSimpleString( jsonObjectGetKeyConst( snode, "fkey" ) );
2031                 char* field = jsonObjectToSimpleString( jsonObjectGetKeyConst( snode, "field" ) );
2032
2033                 if (field && !fkey) {
2034                         fkey = (char*)oilsIDLFindPath("/%s/links/%s/key", class, field);
2035                         if (!fkey) {
2036                                 osrfLogError(
2037                                         OSRF_LOG_MARK,
2038                                         "%s: JOIN failed.  No link defined from %s.%s to %s",
2039                                         MODULENAME,
2040                                         class,
2041                                         field,
2042                                         leftclass
2043                                 );
2044                                 buffer_free(join_buf);
2045                                 free(field);
2046                                 jsonIteratorFree(search_itr);
2047                                 return NULL;
2048                         }
2049                         fkey = strdup( fkey );
2050
2051                 } else if (!field && fkey) {
2052                         field = (char*)oilsIDLFindPath("/%s/links/%s/key", leftclass, fkey );
2053                         if (!field) {
2054                                 osrfLogError(
2055                                         OSRF_LOG_MARK,
2056                                         "%s: JOIN failed.  No link defined from %s.%s to %s",
2057                                         MODULENAME,
2058                                         leftclass,
2059                                         fkey,
2060                                         class
2061                                 );
2062                                 buffer_free(join_buf);
2063                                 free(fkey);
2064                                 jsonIteratorFree(search_itr);
2065                                 return NULL;
2066                         }
2067                         field = strdup( field );
2068
2069                 } else if (!field && !fkey) {
2070                         osrfHash* _links = oilsIDLFindPath("/%s/links", leftclass);
2071
2072                         int i = 0;
2073                         const char* tmp_fkey;
2074                         osrfStringArray* keys = osrfHashKeys( _links );
2075                         while ( (tmp_fkey = osrfStringArrayGetString(keys, i++)) ) {
2076                                 if ( !strcmp( (char*)oilsIDLFindPath("/%s/links/%s/class", leftclass, tmp_fkey), class) ) {
2077                                         field = strdup( (char*)oilsIDLFindPath("/%s/links/%s/key", leftclass, tmp_fkey) );
2078                                         fkey = strdup(tmp_fkey);
2079                                         break;
2080                                 }
2081                         }
2082                         osrfStringArrayFree(keys);
2083
2084                         if (!field && !fkey) {
2085                                 _links = oilsIDLFindPath("/%s/links", class);
2086
2087                                 i = 0;
2088                                 const char* tmp_fld;
2089                                 keys = osrfHashKeys( _links );
2090                                 while ( (tmp_fld = osrfStringArrayGetString(keys, i++)) ) {
2091                                         if ( !strcmp( (char*)oilsIDLFindPath("/%s/links/%s/class", class, tmp_fld), class) ) {
2092                                                 fkey = strdup( (char*)oilsIDLFindPath("/%s/links/%s/key", class, tmp_fld) );
2093                                                 field = strdup( tmp_fld );
2094                                                 break;
2095                                         }
2096                                 }
2097                                 osrfStringArrayFree(keys);
2098                         }
2099
2100                         if (!field && !fkey) {
2101                                 osrfLogError(
2102                                         OSRF_LOG_MARK,
2103                                         "%s: JOIN failed.  No link defined between %s and %s",
2104                                         MODULENAME,
2105                                         leftclass,
2106                                         class
2107                                 );
2108                                 buffer_free(join_buf);
2109                                 jsonIteratorFree(search_itr);
2110                                 return NULL;
2111                         }
2112
2113                 }
2114
2115                 char* type = jsonObjectToSimpleString( jsonObjectGetKeyConst( snode, "type" ) );
2116                 if (type) {
2117                         if ( !strcasecmp(type,"left") ) {
2118                                 buffer_add(join_buf, " LEFT JOIN");
2119                         } else if ( !strcasecmp(type,"right") ) {
2120                                 buffer_add(join_buf, " RIGHT JOIN");
2121                         } else if ( !strcasecmp(type,"full") ) {
2122                                 buffer_add(join_buf, " FULL JOIN");
2123                         } else {
2124                                 buffer_add(join_buf, " INNER JOIN");
2125                         }
2126                 } else {
2127                         buffer_add(join_buf, " INNER JOIN");
2128                 }
2129                 free(type);
2130
2131                 char* table = getSourceDefinition(idlClass);
2132                 buffer_fadd(join_buf, " %s AS \"%s\" ON ( \"%s\".%s = \"%s\".%s",
2133                                         table, class, class, field, leftclass, fkey);
2134                 free(table);
2135
2136                 const jsonObject* filter = jsonObjectGetKeyConst( snode, "filter" );
2137                 if (filter) {
2138                         char* filter_op = jsonObjectToSimpleString( jsonObjectGetKeyConst( snode, "filter_op" ) );
2139                         if (filter_op) {
2140                                 if (!strcasecmp("or",filter_op)) {
2141                                         buffer_add( join_buf, " OR " );
2142                                 } else {
2143                                         buffer_add( join_buf, " AND " );
2144                                 }
2145                         } else {
2146                                 buffer_add( join_buf, " AND " );
2147                         }
2148
2149                         char* jpred = searchWHERE( filter, idlClass, AND_OP_JOIN, NULL );
2150                         OSRF_BUFFER_ADD_CHAR( join_buf, ' ' );
2151                         OSRF_BUFFER_ADD( join_buf, jpred );
2152                         free(jpred);
2153                         free(filter_op);
2154                 }
2155
2156                 buffer_add(join_buf, " ) ");
2157
2158                 const jsonObject* join_filter = jsonObjectGetKeyConst( snode, "join" );
2159                 if (join_filter) {
2160                         char* jpred = searchJOIN( join_filter, idlClass );
2161                         OSRF_BUFFER_ADD_CHAR( join_buf, ' ' );
2162                         OSRF_BUFFER_ADD( join_buf, jpred );
2163                         free(jpred);
2164                 }
2165
2166                 free(fkey);
2167                 free(field);
2168         }
2169
2170     jsonIteratorFree(search_itr);
2171
2172         return buffer_release(join_buf);
2173 }
2174
2175 /*
2176
2177 { +class : { -or|-and : { field : { op : value }, ... } ... }, ... }
2178 { +class : { -or|-and : [ { field : { op : value }, ... }, ...] ... }, ... }
2179 [ { +class : { -or|-and : [ { field : { op : value }, ... }, ...] ... }, ... }, ... ]
2180
2181 */
2182
2183 static char* searchWHERE ( const jsonObject* search_hash, osrfHash* meta, int opjoin_type, osrfMethodContext* ctx ) {
2184
2185         osrfLogDebug(
2186         OSRF_LOG_MARK,
2187         "%s: Entering searchWHERE; search_hash addr = %p, meta addr = %p, opjoin_type = %d, ctx addr = %p",
2188         MODULENAME,
2189         search_hash,
2190         meta,
2191         opjoin_type,
2192         ctx
2193     );
2194
2195         growing_buffer* sql_buf = buffer_init(128);
2196
2197         jsonObject* node = NULL;
2198
2199     int first = 1;
2200     if ( search_hash->type == JSON_ARRAY ) {
2201             osrfLogDebug(OSRF_LOG_MARK, "%s: In WHERE clause, condition type is JSON_ARRAY", MODULENAME);
2202         jsonIterator* search_itr = jsonNewIterator( search_hash );
2203         while ( (node = jsonIteratorNext( search_itr )) ) {
2204             if (first) {
2205                 first = 0;
2206             } else {
2207                 if (opjoin_type == OR_OP_JOIN) buffer_add(sql_buf, " OR ");
2208                 else buffer_add(sql_buf, " AND ");
2209             }
2210
2211             char* subpred = searchWHERE( node, meta, opjoin_type, ctx );
2212             buffer_fadd(sql_buf, "( %s )", subpred);
2213             free(subpred);
2214         }
2215         jsonIteratorFree(search_itr);
2216
2217     } else if ( search_hash->type == JSON_HASH ) {
2218             osrfLogDebug(OSRF_LOG_MARK, "%s: In WHERE clause, condition type is JSON_HASH", MODULENAME);
2219         jsonIterator* search_itr = jsonNewIterator( search_hash );
2220         while ( (node = jsonIteratorNext( search_itr )) ) {
2221
2222             if (first) {
2223                 first = 0;
2224             } else {
2225                 if (opjoin_type == OR_OP_JOIN) buffer_add(sql_buf, " OR ");
2226                 else buffer_add(sql_buf, " AND ");
2227             }
2228
2229             if ( !strncmp("+",search_itr->key,1) ) {
2230                 if ( node->type == JSON_STRING ) {
2231                     char* subpred = jsonObjectToSimpleString( node );
2232                     buffer_fadd(sql_buf, " \"%s\".%s ", search_itr->key + 1, subpred);
2233                     free(subpred);
2234                 } else {
2235                     char* subpred = searchWHERE( node, osrfHashGet( oilsIDL(), search_itr->key + 1 ), AND_OP_JOIN, ctx );
2236                     buffer_fadd(sql_buf, "( %s )", subpred);
2237                     free(subpred);
2238                 }
2239             } else if ( !strcasecmp("-or",search_itr->key) ) {
2240                 char* subpred = searchWHERE( node, meta, OR_OP_JOIN, ctx );
2241                 buffer_fadd(sql_buf, "( %s )", subpred);
2242                 free(subpred);
2243             } else if ( !strcasecmp("-and",search_itr->key) ) {
2244                 char* subpred = searchWHERE( node, meta, AND_OP_JOIN, ctx );
2245                 buffer_fadd(sql_buf, "( %s )", subpred);
2246                 free(subpred);
2247             } else if ( !strcasecmp("-exists",search_itr->key) ) {
2248                 char* subpred = SELECT(
2249                     ctx,
2250                     jsonObjectGetKey( node, "select" ),
2251                     jsonObjectGetKey( node, "from" ),
2252                     jsonObjectGetKey( node, "where" ),
2253                     jsonObjectGetKey( node, "having" ),
2254                     jsonObjectGetKey( node, "order_by" ),
2255                     jsonObjectGetKey( node, "limit" ),
2256                     jsonObjectGetKey( node, "offset" ),
2257                     SUBSELECT
2258                 );
2259
2260                 buffer_fadd(sql_buf, "EXISTS ( %s )", subpred);
2261                 free(subpred);
2262             } else if ( !strcasecmp("-not-exists",search_itr->key) ) {
2263                 char* subpred = SELECT(
2264                     ctx,
2265                     jsonObjectGetKey( node, "select" ),
2266                     jsonObjectGetKey( node, "from" ),
2267                     jsonObjectGetKey( node, "where" ),
2268                     jsonObjectGetKey( node, "having" ),
2269                     jsonObjectGetKey( node, "order_by" ),
2270                     jsonObjectGetKey( node, "limit" ),
2271                     jsonObjectGetKey( node, "offset" ),
2272                     SUBSELECT
2273                 );
2274
2275                 buffer_fadd(sql_buf, "NOT EXISTS ( %s )", subpred);
2276                 free(subpred);
2277             } else {
2278
2279                 char* class = osrfHashGet(meta, "classname");
2280                 osrfHash* fields = osrfHashGet(meta, "fields");
2281                 osrfHash* field = osrfHashGet( fields, search_itr->key );
2282
2283
2284                 if (!field) {
2285                     char* table = getSourceDefinition(meta);
2286                     osrfLogError(
2287                         OSRF_LOG_MARK,
2288                         "%s: Attempt to reference non-existent column %s on %s (%s)",
2289                         MODULENAME,
2290                         search_itr->key,
2291                         table,
2292                         class
2293                     );
2294                     buffer_free(sql_buf);
2295                     free(table);
2296                                         jsonIteratorFree(search_itr);
2297                                         return NULL;
2298                 }
2299
2300                 char* subpred = searchPredicate( class, field, node, ctx );
2301                 buffer_add( sql_buf, subpred );
2302                 free(subpred);
2303             }
2304         }
2305             jsonIteratorFree(search_itr);
2306
2307     } else {
2308         // ERROR ... only hash and array allowed at this level
2309         char* predicate_string = jsonObjectToJSON( search_hash );
2310         osrfLogError(
2311             OSRF_LOG_MARK,
2312             "%s: Invalid predicate structure: %s",
2313             MODULENAME,
2314             predicate_string
2315         );
2316         buffer_free(sql_buf);
2317         free(predicate_string);
2318         return NULL;
2319     }
2320
2321
2322         return buffer_release(sql_buf);
2323 }
2324
2325 char* SELECT (
2326                 /* method context */ osrfMethodContext* ctx,
2327
2328                 /* SELECT   */ jsonObject* selhash,
2329                 /* FROM     */ jsonObject* join_hash,
2330                 /* WHERE    */ jsonObject* search_hash,
2331                 /* HAVING   */ jsonObject* having_hash,
2332                 /* ORDER BY */ jsonObject* order_hash,
2333                 /* LIMIT    */ jsonObject* limit,
2334                 /* OFFSET   */ jsonObject* offset,
2335                 /* flags    */ int flags
2336 ) {
2337         const char* locale = osrf_message_get_last_locale();
2338
2339         // in case we don't get a select list
2340         jsonObject* defaultselhash = NULL;
2341
2342         // general tmp objects
2343         const jsonObject* tmp_const;
2344         jsonObject* selclass = NULL;
2345         jsonObject* selfield = NULL;
2346         jsonObject* snode = NULL;
2347         jsonObject* onode = NULL;
2348
2349         char* string = NULL;
2350         int from_function = 0;
2351         int first = 1;
2352         int gfirst = 1;
2353         //int hfirst = 1;
2354
2355         // the core search class
2356         char* core_class = NULL;
2357
2358         // metadata about the core search class
2359         osrfHash* core_meta = NULL;
2360
2361         // punt if there's no core class
2362         if (!join_hash || ( join_hash->type == JSON_HASH && !join_hash->size ))
2363                 return NULL;
2364
2365         // get the core class -- the only key of the top level FROM clause, or a string
2366         if (join_hash->type == JSON_HASH) {
2367                 jsonIterator* tmp_itr = jsonNewIterator( join_hash );
2368                 snode = jsonIteratorNext( tmp_itr );
2369
2370                 core_class = strdup( tmp_itr->key );
2371                 join_hash = snode;
2372
2373                 jsonObject* extra = jsonIteratorNext( tmp_itr );
2374
2375                 jsonIteratorFree( tmp_itr );
2376                 snode = NULL;
2377
2378                 // There shouldn't be more than one entry in join_hash
2379                 if( extra )
2380                         return NULL;    // Malformed join_hash; extra entry
2381
2382         } else if (join_hash->type == JSON_ARRAY) {
2383                 from_function = 1;
2384                 core_class = jsonObjectToSimpleString( jsonObjectGetIndex(join_hash, 0) );
2385                 selhash = NULL;
2386
2387         } else if (join_hash->type == JSON_STRING) {
2388                 core_class = jsonObjectToSimpleString( join_hash );
2389                 join_hash = NULL;
2390         }
2391         else
2392                 return NULL;
2393
2394         // punt if we don't know about the core class (and it's not a function)
2395         if (!from_function && !(core_meta = osrfHashGet( oilsIDL(), core_class ))) {
2396                 free(core_class);
2397                 return NULL;
2398         }
2399
2400         // if the select list is empty, or the core class field list is '*',
2401         // build the default select list ...
2402         if (!selhash) {
2403                 selhash = defaultselhash = jsonNewObjectType(JSON_HASH);
2404                 jsonObjectSetKey( selhash, core_class, jsonNewObjectType(JSON_ARRAY) );
2405         } else if ( (tmp_const = jsonObjectGetKeyConst( selhash, core_class )) && tmp_const->type == JSON_STRING ) {
2406                 char* _x = jsonObjectToSimpleString( tmp_const );
2407                 if (!strncmp( "*", _x, 1 )) {
2408                         jsonObjectRemoveKey( selhash, core_class );
2409                         jsonObjectSetKey( selhash, core_class, jsonNewObjectType(JSON_ARRAY) );
2410                 }
2411                 free(_x);
2412         }
2413
2414         // the query buffer
2415         growing_buffer* sql_buf = buffer_init(128);
2416
2417         // temp buffer for the SELECT list
2418         growing_buffer* select_buf = buffer_init(128);
2419         growing_buffer* order_buf = buffer_init(128);
2420         growing_buffer* group_buf = buffer_init(128);
2421         growing_buffer* having_buf = buffer_init(128);
2422
2423         // Build a select list
2424         if(from_function)   // From a function we select everything
2425                 OSRF_BUFFER_ADD_CHAR( select_buf, '*' );
2426         else {
2427
2428                 // If we need to build a default list, do so
2429                 jsonObject* _tmp = jsonObjectGetKey( selhash, core_class );
2430                 if ( _tmp && !_tmp->size ) {
2431
2432                         int i = 0;
2433                         char* field;
2434                         osrfHash* core_fields = osrfHashGet( core_meta, "fields" );
2435
2436                 osrfStringArray* keys = osrfHashKeys( core_fields );
2437                         while ( (field = osrfStringArrayGetString(keys, i++)) ) {
2438                                 if( ! str_is_true( osrfHashGet( osrfHashGet( core_fields, field ), "virtual" ) ) )
2439                                         jsonObjectPush( _tmp, jsonNewObject( field ) );   // not virtual; use it
2440                 }
2441                         osrfStringArrayFree(keys);
2442                 }
2443
2444                 // Now build the actual select list
2445             int sel_pos = 1;
2446             jsonObject* is_agg = jsonObjectFindPath(selhash, "//aggregate");
2447             first = 1;
2448             gfirst = 1;
2449             jsonIterator* selclass_itr = jsonNewIterator( selhash );
2450             while ( (selclass = jsonIteratorNext( selclass_itr )) ) {    // For each class
2451
2452                     // round trip through the idl, just to be safe
2453                         const char* cname = selclass_itr->key;
2454                         osrfHash* idlClass = osrfHashGet( oilsIDL(), cname );
2455                     if (!idlClass)
2456                                 // No such class.  Skip it.
2457                                 continue;
2458
2459                     // Make sure the target relation is in the join tree.
2460
2461                         // At this point join_hash is a step down from the join_hash we
2462                         // received as a parameter.  If the original was a JSON_STRING,
2463                         // then json_hash is now NULL.  If the original was a JSON_HASH,
2464                         // then json_hash is now the first (and only) entry in it,
2465                         // denoting the core class.  We've already excluded the
2466                         // possibility that the original was a JSON_ARRAY, because in
2467                         // that case from_function would be non-NULL, and we wouldn't
2468                         // be here.
2469
2470                     if ( strcmp( core_class, cname )) {
2471                             if (!join_hash)
2472                                         // There's only one class in the FROM clause,
2473                                         // and this isn't it.  Skip it.
2474                                         continue;
2475
2476                                 if (join_hash->type == JSON_STRING) {
2477                                     string = jsonObjectToSimpleString(join_hash);
2478                                         int different = strcmp( string, cname );
2479                                     free(string);
2480                                         if ( different )
2481                                                 // There's only one class in the FROM clause,
2482                                                 // and this isn't it.  Skip it.
2483                                                 continue;
2484                                 } else {
2485                                     jsonObject* found = jsonObjectFindPath(join_hash, "//%s", cname);
2486                                         unsigned long size = found->size;
2487                                         jsonObjectFree( found );
2488                                         if ( 0 == size )
2489                                                 // No such class anywhere in the join tree.  Skip it.
2490                                                 continue;
2491                                 }
2492                     }
2493
2494                         // Look up some attributes of the current class, so that we
2495                         // don't have to look them up again for each field
2496                         osrfHash* class_field_set = osrfHashGet( idlClass, "fields" );
2497                         char* class_pkey = osrfHashGet( idlClass, "primarykey" );
2498                         char* class_tname = osrfHashGet( idlClass, "tablename" );
2499
2500                     // stitch together the column list ...
2501                     jsonIterator* select_itr = jsonNewIterator( selclass );
2502                     while ( (selfield = jsonIteratorNext( select_itr )) ) {   // for each SELECT column
2503
2504                                 // If we need a separator comma, add one
2505                                 if (first) {
2506                                         first = 0;
2507                                 } else {
2508                                         OSRF_BUFFER_ADD_CHAR( select_buf, ',' );
2509                                 }
2510
2511                             // ... if it's a string, just toss it on the pile
2512                             if (selfield->type == JSON_STRING) {
2513
2514                                     // again, just to be safe
2515                                         const char* _requested_col = selfield->value.s;
2516                                     osrfHash* field = osrfHashGet( class_field_set, _requested_col );
2517                                     if (!field) continue;               // No such field in current class; skip it
2518
2519                                         const char* col_name = osrfHashGet(field, "name");
2520
2521                     if (locale) {
2522                             const char* i18n;
2523                                     if (flags & DISABLE_I18N)
2524                             i18n = NULL;
2525                                                 else
2526                                                         i18n = osrfHashGet(field, "i18n");
2527
2528                                                 if( str_is_true( i18n ) ) {
2529                             buffer_fadd( select_buf,
2530                                                                 " oils_i18n_xlate('%s', '%s', '%s', '%s', \"%s\".%s::TEXT, '%s') AS \"%s\"",
2531                                                                 class_tname, cname, col_name, class_pkey, cname, class_pkey, locale, col_name );
2532                         } else {
2533                                             buffer_fadd(select_buf, " \"%s\".%s AS \"%s\"", cname, col_name, col_name );
2534                         }
2535                     } else {
2536                                         buffer_fadd(select_buf, " \"%s\".%s AS \"%s\"", cname, col_name, col_name );
2537                     }
2538
2539                             // ... but it could be an object, in which case we check for a Field Transform
2540                             } else {
2541
2542                                     char* _column = jsonObjectToSimpleString( jsonObjectGetKeyConst( selfield, "column" ) );
2543
2544                                     // Get the field definition from the IDL
2545                                     osrfHash* field = osrfHashGet( class_field_set, _column );
2546                                     if (!field) continue;         // No such field defined in IDL.  Skip it.
2547
2548                                         // Decide what to use as a column alias
2549                                         char* _alias;
2550                                         if ((tmp_const = jsonObjectGetKeyConst( selfield, "alias" ))) {
2551                                                 _alias = jsonObjectToSimpleString( tmp_const );
2552                                                 free(_column);
2553                                         } else {         // Use column name as its own alias
2554                                                 _alias = _column;
2555                                         }
2556                                         _column = NULL;   // To emphasize that we're through with _column
2557
2558                                         if (jsonObjectGetKeyConst( selfield, "transform" )) {
2559                                                 char* transform_str = searchFieldTransform(cname, field, selfield);
2560                                                 buffer_fadd(select_buf, " %s AS \"%s\"", transform_str, _alias);
2561                                                 free(transform_str);
2562                                         } else {
2563
2564                                                 const char* fname = osrfHashGet(field, "name");
2565
2566                         if (locale) {
2567                                     const char* i18n;
2568                                         if (flags & DISABLE_I18N)
2569                                 i18n = NULL;
2570                                                         else
2571                                                                 i18n = osrfHashGet(field, "i18n");
2572
2573                                                         if( str_is_true( i18n ) ) {
2574                                 buffer_fadd( select_buf,
2575                                                                         " oils_i18n_xlate('%s', '%s', '%s', '%s', \"%s\".%s::TEXT, '%s') AS \"%s\"",
2576                                                                         class_tname, cname, fname, class_pkey, cname, class_pkey, locale, _alias);
2577                             } else {
2578                                                     buffer_fadd(select_buf, " \"%s\".%s AS \"%s\"", cname, fname, _alias);
2579                             }
2580                         } else {
2581                                                 buffer_fadd(select_buf, " \"%s\".%s AS \"%s\"", cname, fname, _alias);
2582                         }
2583                                     }
2584
2585                                     free(_alias);
2586                             }
2587
2588                             if (is_agg->size || (flags & SELECT_DISTINCT)) {
2589
2590                                         const jsonObject* aggregate_obj = jsonObjectGetKey( selfield, "aggregate" );
2591                                     if ( ! obj_is_true( aggregate_obj ) ) {
2592                                             if (gfirst) {
2593                                                     gfirst = 0;
2594                                             } else {
2595                                                         OSRF_BUFFER_ADD_CHAR( group_buf, ',' );
2596                                             }
2597
2598                                             buffer_fadd(group_buf, " %d", sel_pos);
2599                                         /*
2600                                     } else if (is_agg = jsonObjectGetKey( selfield, "having" )) {
2601                                             if (gfirst) {
2602                                                     gfirst = 0;
2603                                             } else {
2604                                                         OSRF_BUFFER_ADD_CHAR( group_buf, ',' );
2605                                             }
2606
2607                                             _column = searchFieldTransform(cname, field, selfield);
2608                                                 OSRF_BUFFER_ADD_CHAR(group_buf, ' ');
2609                                                 OSRF_BUFFER_ADD(group_buf, _column);
2610                                             _column = searchFieldTransform(cname, field, selfield);
2611                                         */
2612                                     }
2613                             }
2614
2615                             sel_pos++;
2616                     } // end while -- iterating across SELECT columns
2617
2618             jsonIteratorFree(select_itr);
2619             } // end while -- iterating across classes
2620
2621         jsonIteratorFree(selclass_itr);
2622
2623             if (is_agg) jsonObjectFree(is_agg);
2624     }
2625
2626
2627         char* col_list = buffer_release(select_buf);
2628         char* table = NULL;
2629         if (from_function) table = searchValueTransform(join_hash);
2630         else table = getSourceDefinition(core_meta);
2631
2632         // Put it all together
2633         buffer_fadd(sql_buf, "SELECT %s FROM %s AS \"%s\" ", col_list, table, core_class );
2634         free(col_list);
2635         free(table);
2636
2637     if (!from_function) {
2638             // Now, walk the join tree and add that clause
2639             if ( join_hash ) {
2640                     char* join_clause = searchJOIN( join_hash, core_meta );
2641                     buffer_add(sql_buf, join_clause);
2642                     free(join_clause);
2643             }
2644
2645                 // Build a WHERE clause, if there is one
2646             if ( search_hash ) {
2647                     buffer_add(sql_buf, " WHERE ");
2648
2649                     // and it's on the WHERE clause
2650                     char* pred = searchWHERE( search_hash, core_meta, AND_OP_JOIN, ctx );
2651
2652                     if (pred) {
2653                                 buffer_add(sql_buf, pred);
2654                                 free(pred);
2655                         } else {
2656                                 if (ctx) {
2657                                 osrfAppSessionStatus(
2658                                         ctx->session,
2659                                         OSRF_STATUS_INTERNALSERVERERROR,
2660                                         "osrfMethodException",
2661                                         ctx->request,
2662                                         "Severe query error in WHERE predicate -- see error log for more details"
2663                                 );
2664                             }
2665                             free(core_class);
2666                             buffer_free(having_buf);
2667                             buffer_free(group_buf);
2668                             buffer_free(order_buf);
2669                             buffer_free(sql_buf);
2670                             if (defaultselhash) jsonObjectFree(defaultselhash);
2671                             return NULL;
2672                     }
2673         }
2674
2675                 // Build a HAVING clause, if there is one
2676             if ( having_hash ) {
2677                     buffer_add(sql_buf, " HAVING ");
2678
2679                     // and it's on the the WHERE clause
2680                     char* pred = searchWHERE( having_hash, core_meta, AND_OP_JOIN, ctx );
2681
2682                     if (pred) {
2683                                 buffer_add(sql_buf, pred);
2684                                 free(pred);
2685                         } else {
2686                                 if (ctx) {
2687                                 osrfAppSessionStatus(
2688                                         ctx->session,
2689                                         OSRF_STATUS_INTERNALSERVERERROR,
2690                                         "osrfMethodException",
2691                                         ctx->request,
2692                                         "Severe query error in HAVING predicate -- see error log for more details"
2693                                 );
2694                             }
2695                             free(core_class);
2696                             buffer_free(having_buf);
2697                             buffer_free(group_buf);
2698                             buffer_free(order_buf);
2699                             buffer_free(sql_buf);
2700                             if (defaultselhash) jsonObjectFree(defaultselhash);
2701                             return NULL;
2702                     }
2703             }
2704
2705                 // Build an ORDER BY clause, if there is one
2706             first = 1;
2707             jsonIterator* class_itr = jsonNewIterator( order_hash );
2708             while ( (snode = jsonIteratorNext( class_itr )) ) {
2709
2710                     if (!jsonObjectGetKeyConst(selhash,class_itr->key))
2711                             continue;
2712
2713                     if ( snode->type == JSON_HASH ) {
2714
2715                         jsonIterator* order_itr = jsonNewIterator( snode );
2716                             while ( (onode = jsonIteratorNext( order_itr )) ) {
2717
2718                                     if (!oilsIDLFindPath( "/%s/fields/%s", class_itr->key, order_itr->key ))
2719                                             continue;
2720
2721                                     char* direction = NULL;
2722                                     if ( onode->type == JSON_HASH ) {
2723                                             if ( jsonObjectGetKeyConst( onode, "transform" ) ) {
2724                                                     string = searchFieldTransform(
2725                                                             class_itr->key,
2726                                                             oilsIDLFindPath( "/%s/fields/%s", class_itr->key, order_itr->key ),
2727                                                             onode
2728                                                     );
2729                                             } else {
2730                                                     growing_buffer* field_buf = buffer_init(16);
2731                                                     buffer_fadd(field_buf, "\"%s\".%s", class_itr->key, order_itr->key);
2732                                                     string = buffer_release(field_buf);
2733                                             }
2734
2735                                             if ( (tmp_const = jsonObjectGetKeyConst( onode, "direction" )) ) {
2736                                                     direction = jsonObjectToSimpleString(tmp_const);
2737                                                     if (!strncasecmp(direction, "d", 1)) {
2738                                                             free(direction);
2739                                                             direction = " DESC";
2740                                                     } else {
2741                                                             free(direction);
2742                                                             direction = " ASC";
2743                                                     }
2744                                             }
2745
2746                                     } else {
2747                                             string = strdup(order_itr->key);
2748                                             direction = jsonObjectToSimpleString(onode);
2749                                             if (!strncasecmp(direction, "d", 1)) {
2750                                                     free(direction);
2751                                                     direction = " DESC";
2752                                             } else {
2753                                                     free(direction);
2754                                                     direction = " ASC";
2755                                             }
2756                                     }
2757
2758                                     if (first) {
2759                                             first = 0;
2760                                     } else {
2761                                             buffer_add(order_buf, ", ");
2762                                     }
2763
2764                                     buffer_add(order_buf, string);
2765                                     free(string);
2766
2767                                     if (direction) {
2768                                             buffer_add(order_buf, direction);
2769                                     }
2770
2771                             } // end while
2772                 // jsonIteratorFree(order_itr);
2773
2774                     } else if ( snode->type == JSON_ARRAY ) {
2775
2776                         jsonIterator* order_itr = jsonNewIterator( snode );
2777                             while ( (onode = jsonIteratorNext( order_itr )) ) {
2778
2779                                     char* _f = jsonObjectToSimpleString( onode );
2780
2781                                     if (!oilsIDLFindPath( "/%s/fields/%s", class_itr->key, _f))
2782                                             continue;
2783
2784                                     if (first) {
2785                                             first = 0;
2786                                     } else {
2787                                             buffer_add(order_buf, ", ");
2788                                     }
2789
2790                                     buffer_add(order_buf, _f);
2791                                     free(_f);
2792
2793                             } // end while
2794                 // jsonIteratorFree(order_itr);
2795
2796
2797                     // IT'S THE OOOOOOOOOOOLD STYLE!
2798                     } else {
2799                             osrfLogError(OSRF_LOG_MARK, "%s: Possible SQL injection attempt; direct order by is not allowed", MODULENAME);
2800                             if (ctx) {
2801                                 osrfAppSessionStatus(
2802                                         ctx->session,
2803                                         OSRF_STATUS_INTERNALSERVERERROR,
2804                                         "osrfMethodException",
2805                                         ctx->request,
2806                                         "Severe query error -- see error log for more details"
2807                                 );
2808                             }
2809
2810                             free(core_class);
2811                             buffer_free(having_buf);
2812                             buffer_free(group_buf);
2813                             buffer_free(order_buf);
2814                             buffer_free(sql_buf);
2815                             if (defaultselhash) jsonObjectFree(defaultselhash);
2816                             jsonIteratorFree(class_itr);
2817                             return NULL;
2818                     }
2819
2820             } // end while
2821                 // jsonIteratorFree(class_itr);
2822         }
2823
2824
2825         string = buffer_release(group_buf);
2826
2827         if (strlen(string)) {
2828                 OSRF_BUFFER_ADD( sql_buf, " GROUP BY " );
2829                 OSRF_BUFFER_ADD( sql_buf, string );
2830         }
2831
2832         free(string);
2833
2834         string = buffer_release(having_buf);
2835
2836         if (strlen(string)) {
2837                 OSRF_BUFFER_ADD( sql_buf, " HAVING " );
2838                 OSRF_BUFFER_ADD( sql_buf, string );
2839         }
2840
2841         free(string);
2842
2843         string = buffer_release(order_buf);
2844
2845         if (strlen(string)) {
2846                 OSRF_BUFFER_ADD( sql_buf, " ORDER BY " );
2847                 OSRF_BUFFER_ADD( sql_buf, string );
2848         }
2849
2850         free(string);
2851
2852         if ( limit ){
2853                 string = jsonObjectToSimpleString(limit);
2854                 buffer_fadd( sql_buf, " LIMIT %d", atoi(string) );
2855                 free(string);
2856         }
2857
2858         if (offset) {
2859                 string = jsonObjectToSimpleString(offset);
2860                 buffer_fadd( sql_buf, " OFFSET %d", atoi(string) );
2861                 free(string);
2862         }
2863
2864         if (!(flags & SUBSELECT)) OSRF_BUFFER_ADD_CHAR(sql_buf, ';');
2865
2866         free(core_class);
2867         if (defaultselhash) jsonObjectFree(defaultselhash);
2868
2869         return buffer_release(sql_buf);
2870
2871 }
2872
2873 static char* buildSELECT ( jsonObject* search_hash, jsonObject* order_hash, osrfHash* meta, osrfMethodContext* ctx ) {
2874
2875         const char* locale = osrf_message_get_last_locale();
2876
2877         osrfHash* fields = osrfHashGet(meta, "fields");
2878         char* core_class = osrfHashGet(meta, "classname");
2879
2880         const jsonObject* join_hash = jsonObjectGetKeyConst( order_hash, "join" );
2881
2882         jsonObject* node = NULL;
2883         jsonObject* snode = NULL;
2884         jsonObject* onode = NULL;
2885         const jsonObject* _tmp = NULL;
2886         jsonObject* selhash = NULL;
2887         jsonObject* defaultselhash = NULL;
2888
2889         growing_buffer* sql_buf = buffer_init(128);
2890         growing_buffer* select_buf = buffer_init(128);
2891
2892         if ( !(selhash = jsonObjectGetKey( order_hash, "select" )) ) {
2893                 defaultselhash = jsonNewObjectType(JSON_HASH);
2894                 selhash = defaultselhash;
2895         }
2896
2897         if ( !jsonObjectGetKeyConst(selhash,core_class) ) {
2898                 jsonObjectSetKey( selhash, core_class, jsonNewObjectType(JSON_ARRAY) );
2899                 jsonObject* flist = jsonObjectGetKey( selhash, core_class );
2900
2901                 int i = 0;
2902                 char* field;
2903
2904                 osrfStringArray* keys = osrfHashKeys( fields );
2905                 while ( (field = osrfStringArrayGetString(keys, i++)) ) {
2906                         if( ! str_is_true( osrfHashGet( osrfHashGet( fields, field ), "virtual" ) ) )
2907                                 jsonObjectPush( flist, jsonNewObject( field ) );
2908                 }
2909                 osrfStringArrayFree(keys);
2910         }
2911
2912         int first = 1;
2913         jsonIterator* class_itr = jsonNewIterator( selhash );
2914         while ( (snode = jsonIteratorNext( class_itr )) ) {
2915
2916                 osrfHash* idlClass = osrfHashGet( oilsIDL(), class_itr->key );
2917                 if (!idlClass) continue;
2918                 char* cname = osrfHashGet(idlClass, "classname");
2919
2920                 if (strcmp(core_class,class_itr->key)) {
2921                         if (!join_hash) continue;
2922
2923                         jsonObject* found =  jsonObjectFindPath(join_hash, "//%s", class_itr->key);
2924                         if (!found->size) {
2925                                 jsonObjectFree(found);
2926                                 continue;
2927                         }
2928
2929                         jsonObjectFree(found);
2930                 }
2931
2932                 jsonIterator* select_itr = jsonNewIterator( snode );
2933                 while ( (node = jsonIteratorNext( select_itr )) ) {
2934                         char* item_str = jsonObjectToSimpleString(node);
2935                         osrfHash* field = osrfHashGet( osrfHashGet( idlClass, "fields" ), item_str );
2936                         free(item_str);
2937                         char* fname = osrfHashGet(field, "name");
2938
2939                         if (!field) continue;
2940
2941                         if (first) {
2942                                 first = 0;
2943                         } else {
2944                                 OSRF_BUFFER_ADD_CHAR(select_buf, ',');
2945                         }
2946
2947             if (locale) {
2948                         const char* i18n;
2949                                 const jsonObject* no_i18n_obj = jsonObjectGetKey( order_hash, "no_i18n" );
2950                                 if ( obj_is_true( no_i18n_obj ) )    // Suppress internationalization?
2951                                         i18n = NULL;
2952                                 else
2953                                         i18n = osrfHashGet(field, "i18n");
2954
2955                                 if( str_is_true( i18n ) ) {
2956                         char* pkey = osrfHashGet(idlClass, "primarykey");
2957                         char* tname = osrfHashGet(idlClass, "tablename");
2958
2959                     buffer_fadd(select_buf, " oils_i18n_xlate('%s', '%s', '%s', '%s', \"%s\".%s::TEXT, '%s') AS \"%s\"", tname, cname, fname, pkey, cname, pkey, locale, fname);
2960                 } else {
2961                                 buffer_fadd(select_buf, " \"%s\".%s", cname, fname);
2962                 }
2963             } else {
2964                             buffer_fadd(select_buf, " \"%s\".%s", cname, fname);
2965             }
2966                 }
2967
2968         jsonIteratorFree(select_itr);
2969         }
2970
2971     jsonIteratorFree(class_itr);
2972
2973         char* col_list = buffer_release(select_buf);
2974         char* table = getSourceDefinition(meta);
2975
2976         buffer_fadd(sql_buf, "SELECT %s FROM %s AS \"%s\"", col_list, table, core_class );
2977         free(col_list);
2978         free(table);
2979
2980         if ( join_hash ) {
2981                 char* join_clause = searchJOIN( join_hash, meta );
2982                 OSRF_BUFFER_ADD_CHAR(sql_buf, ' ');
2983                 OSRF_BUFFER_ADD(sql_buf, join_clause);
2984                 free(join_clause);
2985         }
2986
2987         osrfLogDebug(OSRF_LOG_MARK, "%s pre-predicate SQL =  %s",
2988                                  MODULENAME, OSRF_BUFFER_C_STR(sql_buf));
2989
2990         buffer_add(sql_buf, " WHERE ");
2991
2992         char* pred = searchWHERE( search_hash, meta, AND_OP_JOIN, ctx );
2993         if (!pred) {
2994                 osrfAppSessionStatus(
2995                         ctx->session,
2996                         OSRF_STATUS_INTERNALSERVERERROR,
2997                                 "osrfMethodException",
2998                                 ctx->request,
2999                                 "Severe query error -- see error log for more details"
3000                         );
3001                 buffer_free(sql_buf);
3002                 if(defaultselhash) jsonObjectFree(defaultselhash);
3003                 return NULL;
3004         } else {
3005                 buffer_add(sql_buf, pred);
3006                 free(pred);
3007         }
3008
3009         if (order_hash) {
3010                 char* string = NULL;
3011                 if ( (_tmp = jsonObjectGetKeyConst( order_hash, "order_by" )) ){
3012
3013                         growing_buffer* order_buf = buffer_init(128);
3014
3015                         first = 1;
3016                         jsonIterator* class_itr = jsonNewIterator( _tmp );
3017                         while ( (snode = jsonIteratorNext( class_itr )) ) {
3018
3019                                 if (!jsonObjectGetKeyConst(selhash,class_itr->key))
3020                                         continue;
3021
3022                                 if ( snode->type == JSON_HASH ) {
3023
3024                                         jsonIterator* order_itr = jsonNewIterator( snode );
3025                                         while ( (onode = jsonIteratorNext( order_itr )) ) {
3026
3027                                                 if (!oilsIDLFindPath( "/%s/fields/%s", class_itr->key, order_itr->key ))
3028                                                         continue;
3029
3030                                                 char* direction = NULL;
3031                                                 if ( onode->type == JSON_HASH ) {
3032                                                         if ( jsonObjectGetKeyConst( onode, "transform" ) ) {
3033                                                                 string = searchFieldTransform(
3034                                                                         class_itr->key,
3035                                                                         oilsIDLFindPath( "/%s/fields/%s", class_itr->key, order_itr->key ),
3036                                                                         onode
3037                                                                 );
3038                                                         } else {
3039                                                                 growing_buffer* field_buf = buffer_init(16);
3040                                                                 buffer_fadd(field_buf, "\"%s\".%s", class_itr->key, order_itr->key);
3041                                                                 string = buffer_release(field_buf);
3042                                                         }
3043
3044                                                         if ( (_tmp = jsonObjectGetKeyConst( onode, "direction" )) ) {
3045                                                                 direction = jsonObjectToSimpleString(_tmp);
3046                                                                 if (!strncasecmp(direction, "d", 1)) {
3047                                                                         free(direction);
3048                                                                         direction = " DESC";
3049                                                                 } else {
3050                                                                         free(direction);
3051                                                                         direction = " ASC";
3052                                                                 }
3053                                                         }
3054
3055                                                 } else {
3056                                                         string = strdup(order_itr->key);
3057                                                         direction = jsonObjectToSimpleString(onode);
3058                                                         if (!strncasecmp(direction, "d", 1)) {
3059                                                                 free(direction);
3060                                                                 direction = " DESC";
3061                                                         } else {
3062                                                                 free(direction);
3063                                                                 direction = " ASC";
3064                                                         }
3065                                                 }
3066
3067                                                 if (first) {
3068                                                         first = 0;
3069                                                 } else {
3070                                                         buffer_add(order_buf, ", ");
3071                                                 }
3072
3073                                                 buffer_add(order_buf, string);
3074                                                 free(string);
3075
3076                                                 if (direction) {
3077                                                         buffer_add(order_buf, direction);
3078                                                 }
3079
3080                                         }
3081
3082                     jsonIteratorFree(order_itr);
3083
3084                                 } else {
3085                                         string = jsonObjectToSimpleString(snode);
3086                                         buffer_add(order_buf, string);
3087                                         free(string);
3088                                         break;
3089                                 }
3090
3091                         }
3092
3093             jsonIteratorFree(class_itr);
3094
3095                         string = buffer_release(order_buf);
3096
3097                         if (strlen(string)) {
3098                                 OSRF_BUFFER_ADD( sql_buf, " ORDER BY " );
3099                                 OSRF_BUFFER_ADD( sql_buf, string );
3100                         }
3101
3102                         free(string);
3103                 }
3104
3105                 if ( (_tmp = jsonObjectGetKeyConst( order_hash, "limit" )) ){
3106                         string = jsonObjectToSimpleString(_tmp);
3107                         buffer_fadd(
3108                                 sql_buf,
3109                                 " LIMIT %d",
3110                                 atoi(string)
3111                         );
3112                         free(string);
3113                 }
3114
3115                 _tmp = jsonObjectGetKeyConst( order_hash, "offset" );
3116                 if (_tmp) {
3117                         string = jsonObjectToSimpleString(_tmp);
3118                         buffer_fadd(
3119                                 sql_buf,
3120                                 " OFFSET %d",
3121                                 atoi(string)
3122                         );
3123                         free(string);
3124                 }
3125         }
3126
3127         if (defaultselhash) jsonObjectFree(defaultselhash);
3128
3129         OSRF_BUFFER_ADD_CHAR(sql_buf, ';');
3130         return buffer_release(sql_buf);
3131 }
3132
3133 int doJSONSearch ( osrfMethodContext* ctx ) {
3134         if(osrfMethodVerifyContext( ctx )) {
3135                 osrfLogError( OSRF_LOG_MARK,  "Invalid method context" );
3136                 return -1;
3137         }
3138
3139         osrfLogDebug(OSRF_LOG_MARK, "Recieved query request");
3140
3141         int err = 0;
3142
3143         // XXX for now...
3144         dbhandle = writehandle;
3145
3146         jsonObject* hash = jsonObjectGetIndex(ctx->params, 0);
3147
3148         int flags = 0;
3149
3150         if ( obj_is_true( jsonObjectGetKey( hash, "distinct" ) ) )
3151                 flags |= SELECT_DISTINCT;
3152
3153         if ( obj_is_true( jsonObjectGetKey( hash, "no_i18n" ) ) )
3154                 flags |= DISABLE_I18N;
3155
3156         osrfLogDebug(OSRF_LOG_MARK, "Building SQL ...");
3157         char* sql = SELECT(
3158                         ctx,
3159                         jsonObjectGetKey( hash, "select" ),
3160                         jsonObjectGetKey( hash, "from" ),
3161                         jsonObjectGetKey( hash, "where" ),
3162                         jsonObjectGetKey( hash, "having" ),
3163                         jsonObjectGetKey( hash, "order_by" ),
3164                         jsonObjectGetKey( hash, "limit" ),
3165                         jsonObjectGetKey( hash, "offset" ),
3166                         flags
3167         );
3168
3169         if (!sql) {
3170                 err = -1;
3171                 return err;
3172         }
3173
3174         osrfLogDebug(OSRF_LOG_MARK, "%s SQL =  %s", MODULENAME, sql);
3175         dbi_result result = dbi_conn_query(dbhandle, sql);
3176
3177         if(result) {
3178                 osrfLogDebug(OSRF_LOG_MARK, "Query returned with no errors");
3179
3180                 if (dbi_result_first_row(result)) {
3181                         /* JSONify the result */
3182                         osrfLogDebug(OSRF_LOG_MARK, "Query returned at least one row");
3183
3184                         do {
3185                                 jsonObject* return_val = oilsMakeJSONFromResult( result );
3186                                 osrfAppRespond( ctx, return_val );
3187                 jsonObjectFree( return_val );
3188                         } while (dbi_result_next_row(result));
3189
3190                 } else {
3191                         osrfLogDebug(OSRF_LOG_MARK, "%s returned no results for query %s", MODULENAME, sql);
3192                 }
3193
3194                 osrfAppRespondComplete( ctx, NULL );
3195
3196                 /* clean up the query */
3197                 dbi_result_free(result);
3198
3199         } else {
3200                 err = -1;
3201                 osrfLogError(OSRF_LOG_MARK, "%s: Error with query [%s]", MODULENAME, sql);
3202                 osrfAppSessionStatus(
3203                         ctx->session,
3204                         OSRF_STATUS_INTERNALSERVERERROR,
3205                         "osrfMethodException",
3206                         ctx->request,
3207                         "Severe query error -- see error log for more details"
3208                 );
3209         }
3210
3211         free(sql);
3212         return err;
3213 }
3214
3215 static jsonObject* doFieldmapperSearch ( osrfMethodContext* ctx, osrfHash* meta,
3216                 const jsonObject* params, int* err ) {
3217
3218         // XXX for now...
3219         dbhandle = writehandle;
3220
3221         osrfHash* links = osrfHashGet(meta, "links");
3222         osrfHash* fields = osrfHashGet(meta, "fields");
3223         char* core_class = osrfHashGet(meta, "classname");
3224         char* pkey = osrfHashGet(meta, "primarykey");
3225
3226         const jsonObject* _tmp;
3227         jsonObject* obj;
3228         jsonObject* search_hash = jsonObjectGetIndex(params, 0);
3229         jsonObject* order_hash = jsonObjectGetIndex(params, 1);
3230
3231         char* sql = buildSELECT( search_hash, order_hash, meta, ctx );
3232         if (!sql) {
3233                 osrfLogDebug(OSRF_LOG_MARK, "Problem building query, returning NULL");
3234                 *err = -1;
3235                 return NULL;
3236         }
3237
3238         osrfLogDebug(OSRF_LOG_MARK, "%s SQL =  %s", MODULENAME, sql);
3239
3240         dbi_result result = dbi_conn_query(dbhandle, sql);
3241         if( NULL == result ) {
3242                 osrfLogError(OSRF_LOG_MARK, "%s: Error retrieving %s with query [%s]",
3243                         MODULENAME, osrfHashGet(meta, "fieldmapper"), sql);
3244                 osrfAppSessionStatus(
3245                         ctx->session,
3246                         OSRF_STATUS_INTERNALSERVERERROR,
3247                         "osrfMethodException",
3248                         ctx->request,
3249                         "Severe query error -- see error log for more details"
3250                 );
3251                 *err = -1;
3252                 free(sql);
3253                 return jsonNULL;
3254
3255         } else {
3256                 osrfLogDebug(OSRF_LOG_MARK, "Query returned with no errors");
3257         }
3258
3259         jsonObject* res_list = jsonNewObjectType(JSON_ARRAY);
3260         osrfHash* dedup = osrfNewHash();
3261
3262         if (dbi_result_first_row(result)) {
3263                 /* JSONify the result */
3264                 osrfLogDebug(OSRF_LOG_MARK, "Query returned at least one row");
3265                 do {
3266                         obj = oilsMakeFieldmapperFromResult( result, meta );
3267                         char* pkey_val = oilsFMGetString( obj, pkey );
3268                         if ( osrfHashGet( dedup, pkey_val ) ) {
3269                                 jsonObjectFree(obj);
3270                                 free(pkey_val);
3271                         } else {
3272                                 osrfHashSet( dedup, pkey_val, pkey_val );
3273                                 jsonObjectPush(res_list, obj);
3274                         }
3275                 } while (dbi_result_next_row(result));
3276         } else {
3277                 osrfLogDebug(OSRF_LOG_MARK, "%s returned no results for query %s",
3278                         MODULENAME, sql );
3279         }
3280
3281         osrfHashFree(dedup);
3282         /* clean up the query */
3283         dbi_result_free(result);
3284         free(sql);
3285
3286         if (res_list->size && order_hash) {
3287                 _tmp = jsonObjectGetKeyConst( order_hash, "flesh" );
3288                 if (_tmp) {
3289                         int x = (int)jsonObjectGetNumber(_tmp);
3290                         if (x == -1 || x > max_flesh_depth) x = max_flesh_depth;
3291
3292                         const jsonObject* temp_blob;
3293                         if ((temp_blob = jsonObjectGetKeyConst( order_hash, "flesh_fields" )) && x > 0) {
3294
3295                                 jsonObject* flesh_blob = jsonObjectClone( temp_blob );
3296                                 const jsonObject* flesh_fields = jsonObjectGetKeyConst( flesh_blob, core_class );
3297
3298                                 osrfStringArray* link_fields = NULL;
3299
3300                                 if (flesh_fields) {
3301                                         if (flesh_fields->size == 1) {
3302                                                 char* _t = jsonObjectToSimpleString( jsonObjectGetIndex( flesh_fields, 0 ) );
3303                                                 if (!strcmp(_t,"*")) link_fields = osrfHashKeys( links );
3304                                                 free(_t);
3305                                         }
3306
3307                                         if (!link_fields) {
3308                                                 jsonObject* _f;
3309                                                 link_fields = osrfNewStringArray(1);
3310                                                 jsonIterator* _i = jsonNewIterator( flesh_fields );
3311                                                 while ((_f = jsonIteratorNext( _i ))) {
3312                                                         osrfStringArrayAdd( link_fields, jsonObjectToSimpleString( _f ) );
3313                                                 }
3314                         jsonIteratorFree(_i);
3315                                         }
3316                                 }
3317
3318                                 jsonObject* cur;
3319                                 jsonIterator* itr = jsonNewIterator( res_list );
3320                                 while ((cur = jsonIteratorNext( itr ))) {
3321
3322                                         int i = 0;
3323                                         char* link_field;
3324
3325                                         while ( (link_field = osrfStringArrayGetString(link_fields, i++)) ) {
3326
3327                                                 osrfLogDebug(OSRF_LOG_MARK, "Starting to flesh %s", link_field);
3328
3329                                                 osrfHash* kid_link = osrfHashGet(links, link_field);
3330                                                 if (!kid_link) continue;
3331
3332                                                 osrfHash* field = osrfHashGet(fields, link_field);
3333                                                 if (!field) continue;
3334
3335                                                 osrfHash* value_field = field;
3336
3337                                                 osrfHash* kid_idl = osrfHashGet(oilsIDL(), osrfHashGet(kid_link, "class"));
3338                                                 if (!kid_idl) continue;
3339
3340                                                 if (!(strcmp( osrfHashGet(kid_link, "reltype"), "has_many" ))) { // has_many
3341                                                         value_field = osrfHashGet( fields, osrfHashGet(meta, "primarykey") );
3342                                                 }
3343
3344                                                 if (!(strcmp( osrfHashGet(kid_link, "reltype"), "might_have" ))) { // might_have
3345                                                         value_field = osrfHashGet( fields, osrfHashGet(meta, "primarykey") );
3346                                                 }
3347
3348                                                 osrfStringArray* link_map = osrfHashGet( kid_link, "map" );
3349
3350                                                 if (link_map->size > 0) {
3351                                                         jsonObject* _kid_key = jsonNewObjectType(JSON_ARRAY);
3352                                                         jsonObjectPush(
3353                                                                 _kid_key,
3354                                                                 jsonNewObject( osrfStringArrayGetString( link_map, 0 ) )
3355                                                         );
3356
3357                                                         jsonObjectSetKey(
3358                                                                 flesh_blob,
3359                                                                 osrfHashGet(kid_link, "class"),
3360                                                                 _kid_key
3361                                                         );
3362                                                 };
3363
3364                                                 osrfLogDebug(
3365                                                         OSRF_LOG_MARK,
3366                                                         "Link field: %s, remote class: %s, fkey: %s, reltype: %s",
3367                                                         osrfHashGet(kid_link, "field"),
3368                                                         osrfHashGet(kid_link, "class"),
3369                                                         osrfHashGet(kid_link, "key"),
3370                                                         osrfHashGet(kid_link, "reltype")
3371                                                 );
3372
3373                                                 jsonObject* fake_params = jsonNewObjectType(JSON_ARRAY);
3374                                                 jsonObjectPush(fake_params, jsonNewObjectType(JSON_HASH)); // search hash
3375                                                 jsonObjectPush(fake_params, jsonNewObjectType(JSON_HASH)); // order/flesh hash
3376
3377                                                 osrfLogDebug(OSRF_LOG_MARK, "Creating dummy params object...");
3378
3379                                                 char* search_key =
3380                                                 jsonObjectToSimpleString(
3381                                                         jsonObjectGetIndex(
3382                                                                 cur,
3383                                                                 atoi( osrfHashGet(value_field, "array_position") )
3384                                                         )
3385                                                 );
3386
3387                                                 if (!search_key) {
3388                                                         osrfLogDebug(OSRF_LOG_MARK, "Nothing to search for!");
3389                                                         continue;
3390                                                 }
3391
3392                                                 jsonObjectSetKey(
3393                                                         jsonObjectGetIndex(fake_params, 0),
3394                                                         osrfHashGet(kid_link, "key"),
3395                                                         jsonNewObject( search_key )
3396                                                 );
3397
3398                                                 free(search_key);
3399
3400
3401                                                 jsonObjectSetKey(
3402                                                         jsonObjectGetIndex(fake_params, 1),
3403                                                         "flesh",
3404                                                         jsonNewNumberObject( (double)(x - 1 + link_map->size) )
3405                                                 );
3406
3407                                                 if (flesh_blob)
3408                                                         jsonObjectSetKey( jsonObjectGetIndex(fake_params, 1), "flesh_fields", jsonObjectClone(flesh_blob) );
3409
3410                                                 if (jsonObjectGetKeyConst(order_hash, "order_by")) {
3411                                                         jsonObjectSetKey(
3412                                                                 jsonObjectGetIndex(fake_params, 1),
3413                                                                 "order_by",
3414                                                                 jsonObjectClone(jsonObjectGetKeyConst(order_hash, "order_by"))
3415                                                         );
3416                                                 }
3417
3418                                                 if (jsonObjectGetKeyConst(order_hash, "select")) {
3419                                                         jsonObjectSetKey(
3420                                                                 jsonObjectGetIndex(fake_params, 1),
3421                                                                 "select",
3422                                                                 jsonObjectClone(jsonObjectGetKeyConst(order_hash, "select"))
3423                                                         );
3424                                                 }
3425
3426                                                 jsonObject* kids = doFieldmapperSearch(ctx, kid_idl, fake_params, err);
3427
3428                                                 if(*err) {
3429                                                         jsonObjectFree( fake_params );
3430                                                         osrfStringArrayFree(link_fields);
3431                                                         jsonIteratorFree(itr);
3432                                                         jsonObjectFree(res_list);
3433                                                         jsonObjectFree(flesh_blob);
3434                                                         return jsonNULL;
3435                                                 }
3436
3437                                                 osrfLogDebug(OSRF_LOG_MARK, "Search for %s return %d linked objects", osrfHashGet(kid_link, "class"), kids->size);
3438
3439                                                 jsonObject* X = NULL;
3440                                                 if ( link_map->size > 0 && kids->size > 0 ) {
3441                                                         X = kids;
3442                                                         kids = jsonNewObjectType(JSON_ARRAY);
3443
3444                                                         jsonObject* _k_node;
3445                                                         jsonIterator* _k = jsonNewIterator( X );
3446                                                         while ((_k_node = jsonIteratorNext( _k ))) {
3447                                                                 jsonObjectPush(
3448                                                                         kids,
3449                                                                         jsonObjectClone(
3450                                                                                 jsonObjectGetIndex(
3451                                                                                         _k_node,
3452                                                                                         (unsigned long)atoi(
3453                                                                                                 osrfHashGet(
3454                                                                                                         osrfHashGet(
3455                                                                                                                 osrfHashGet(
3456                                                                                                                         osrfHashGet(
3457                                                                                                                                 oilsIDL(),
3458                                                                                                                                 osrfHashGet(kid_link, "class")
3459                                                                                                                         ),
3460                                                                                                                         "fields"
3461                                                                                                                 ),
3462                                                                                                                 osrfStringArrayGetString( link_map, 0 )
3463                                                                                                         ),
3464                                                                                                         "array_position"
3465                                                                                                 )
3466                                                                                         )
3467                                                                                 )
3468                                                                         )
3469                                                                 );
3470                                                         }
3471                                                         jsonIteratorFree(_k);
3472                                                 }
3473
3474                                                 if (!(strcmp( osrfHashGet(kid_link, "reltype"), "has_a" )) || !(strcmp( osrfHashGet(kid_link, "reltype"), "might_have" ))) {
3475                                                         osrfLogDebug(OSRF_LOG_MARK, "Storing fleshed objects in %s", osrfHashGet(kid_link, "field"));
3476                                                         jsonObjectSetIndex(
3477                                                                 cur,
3478                                                                 (unsigned long)atoi( osrfHashGet( field, "array_position" ) ),
3479                                                                 jsonObjectClone( jsonObjectGetIndex(kids, 0) )
3480                                                         );
3481                                                 }
3482
3483                                                 if (!(strcmp( osrfHashGet(kid_link, "reltype"), "has_many" ))) { // has_many
3484                                                         osrfLogDebug(OSRF_LOG_MARK, "Storing fleshed objects in %s", osrfHashGet(kid_link, "field"));
3485                                                         jsonObjectSetIndex(
3486                                                                 cur,
3487                                                                 (unsigned long)atoi( osrfHashGet( field, "array_position" ) ),
3488                                                                 jsonObjectClone( kids )
3489                                                         );
3490                                                 }
3491
3492                                                 if (X) {
3493                                                         jsonObjectFree(kids);
3494                                                         kids = X;
3495                                                 }
3496
3497                                                 jsonObjectFree( kids );
3498                                                 jsonObjectFree( fake_params );
3499
3500                                                 osrfLogDebug(OSRF_LOG_MARK, "Fleshing of %s complete", osrfHashGet(kid_link, "field"));
3501                                                 osrfLogDebug(OSRF_LOG_MARK, "%s", jsonObjectToJSON(cur));
3502
3503                                         }
3504                                 }
3505                                 jsonObjectFree( flesh_blob );
3506                                 osrfStringArrayFree(link_fields);
3507                                 jsonIteratorFree(itr);
3508                         }
3509                 }
3510         }
3511
3512         return res_list;
3513 }
3514
3515
3516 static jsonObject* doUpdate(osrfMethodContext* ctx, int* err ) {
3517
3518         osrfHash* meta = osrfHashGet( (osrfHash*) ctx->method->userData, "class" );
3519 #ifdef PCRUD
3520         jsonObject* target = jsonObjectGetIndex( ctx->params, 1 );
3521 #else
3522         jsonObject* target = jsonObjectGetIndex( ctx->params, 0 );
3523 #endif
3524
3525         if (!verifyObjectClass(ctx, target)) {
3526                 *err = -1;
3527                 return jsonNULL;
3528         }
3529
3530         if (!osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )) {
3531                 osrfAppSessionStatus(
3532                         ctx->session,
3533                         OSRF_STATUS_BADREQUEST,
3534                         "osrfMethodException",
3535                         ctx->request,
3536                         "No active transaction -- required for UPDATE"
3537                 );
3538                 *err = -1;
3539                 return jsonNULL;
3540         }
3541
3542         // The following test is harmless but redundant.  If a class is
3543         // readonly, we don't register an update method for it.
3544         if( str_is_true( osrfHashGet( meta, "readonly" ) ) ) {
3545                 osrfAppSessionStatus(
3546                         ctx->session,
3547                         OSRF_STATUS_BADREQUEST,
3548                         "osrfMethodException",
3549                         ctx->request,
3550                         "Cannot UPDATE readonly class"
3551                 );
3552                 *err = -1;
3553                 return jsonNULL;
3554         }
3555
3556         dbhandle = writehandle;
3557
3558         char* trans_id = osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" );
3559
3560         // Set the last_xact_id
3561         int index = oilsIDL_ntop( target->classname, "last_xact_id" );
3562         if (index > -1) {
3563                 osrfLogDebug(OSRF_LOG_MARK, "Setting last_xact_id to %s on %s at position %d", trans_id, target->classname, index);
3564                 jsonObjectSetIndex(target, index, jsonNewObject(trans_id));
3565         }
3566
3567         char* pkey = osrfHashGet(meta, "primarykey");
3568         osrfHash* fields = osrfHashGet(meta, "fields");
3569
3570         char* id = oilsFMGetString( target, pkey );
3571
3572         osrfLogDebug(
3573                 OSRF_LOG_MARK,
3574                 "%s updating %s object with %s = %s",
3575                 MODULENAME,
3576                 osrfHashGet(meta, "fieldmapper"),
3577                 pkey,
3578                 id
3579         );
3580
3581         growing_buffer* sql = buffer_init(128);
3582         buffer_fadd(sql,"UPDATE %s SET", osrfHashGet(meta, "tablename"));
3583
3584         int i = 0;
3585         int first = 1;
3586         char* field_name;
3587         osrfStringArray* field_list = osrfHashKeys( fields );
3588         while ( (field_name = osrfStringArrayGetString(field_list, i++)) ) {
3589
3590                 osrfHash* field = osrfHashGet( fields, field_name );
3591
3592                 if(!( strcmp( field_name, pkey ) )) continue;
3593                 if( str_is_true( osrfHashGet(osrfHashGet(fields,field_name), "virtual") ) )
3594                         continue;
3595
3596                 const jsonObject* field_object = oilsFMGetObject( target, field_name );
3597
3598                 char* value;
3599                 if (field_object && field_object->classname) {
3600                         value = oilsFMGetString(
3601                                 field_object,
3602                                 (char*)oilsIDLFindPath("/%s/primarykey", field_object->classname)
3603             );
3604                 } else {
3605                         value = jsonObjectToSimpleString( field_object );
3606                 }
3607
3608                 osrfLogDebug( OSRF_LOG_MARK, "Updating %s object with %s = %s", osrfHashGet(meta, "fieldmapper"), field_name, value);
3609
3610                 if (!field_object || field_object->type == JSON_NULL) {
3611                         if ( !(!( strcmp( osrfHashGet(meta, "classname"), "au" ) ) && !( strcmp( field_name, "passwd" ) )) ) { // arg at the special case!
3612                                 if (first) first = 0;
3613                                 else OSRF_BUFFER_ADD_CHAR(sql, ',');
3614                                 buffer_fadd( sql, " %s = NULL", field_name );
3615                         }
3616
3617                 } else if ( !strcmp(osrfHashGet(field, "primitive"), "number") ) {
3618                         if (first) first = 0;
3619                         else OSRF_BUFFER_ADD_CHAR(sql, ',');
3620
3621                         if ( !strncmp(osrfHashGet(field, "datatype"), "INT", (size_t)3) ) {
3622                                 buffer_fadd( sql, " %s = %ld", field_name, atol(value) );
3623                         } else if ( !strcmp(osrfHashGet(field, "datatype"), "NUMERIC") ) {
3624                                 buffer_fadd( sql, " %s = %f", field_name, atof(value) );
3625                         }
3626
3627                         osrfLogDebug( OSRF_LOG_MARK, "%s is of type %s", field_name, osrfHashGet(field, "datatype"));
3628
3629                 } else {
3630                         if ( dbi_conn_quote_string(dbhandle, &value) ) {
3631                                 if (first) first = 0;
3632                                 else OSRF_BUFFER_ADD_CHAR(sql, ',');
3633                                 buffer_fadd( sql, " %s = %s", field_name, value );
3634
3635                         } else {
3636                                 osrfLogError(OSRF_LOG_MARK, "%s: Error quoting string [%s]", MODULENAME, value);
3637                                 osrfAppSessionStatus(
3638                                         ctx->session,
3639                                         OSRF_STATUS_INTERNALSERVERERROR,
3640                                         "osrfMethodException",
3641                                         ctx->request,
3642                                         "Error quoting string -- please see the error log for more details"
3643                                 );
3644                                 free(value);
3645                                 free(id);
3646                                 buffer_free(sql);
3647                                 *err = -1;
3648                                 return jsonNULL;
3649                         }
3650                 }
3651
3652                 free(value);
3653
3654         }
3655
3656         jsonObject* obj = jsonNewObject(id);
3657
3658         if ( strcmp( osrfHashGet( osrfHashGet( osrfHashGet(meta, "fields"), pkey ), "primitive" ), "number" ) )
3659                 dbi_conn_quote_string(dbhandle, &id);
3660
3661         buffer_fadd( sql, " WHERE %s = %s;", pkey, id );
3662
3663         char* query = buffer_release(sql);
3664         osrfLogDebug(OSRF_LOG_MARK, "%s: Update SQL [%s]", MODULENAME, query);
3665
3666         dbi_result result = dbi_conn_query(dbhandle, query);
3667         free(query);
3668
3669         if (!result) {
3670                 jsonObjectFree(obj);
3671                 obj = jsonNewObject(NULL);
3672                 osrfLogError(
3673                         OSRF_LOG_MARK,
3674                         "%s ERROR updating %s object with %s = %s",
3675                         MODULENAME,
3676                         osrfHashGet(meta, "fieldmapper"),
3677                         pkey,
3678                         id
3679                 );
3680         }
3681
3682         free(id);
3683
3684         return obj;
3685 }
3686
3687 static jsonObject* doDelete(osrfMethodContext* ctx, int* err ) {
3688
3689         osrfHash* meta = osrfHashGet( (osrfHash*) ctx->method->userData, "class" );
3690
3691         if (!osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )) {
3692                 osrfAppSessionStatus(
3693                         ctx->session,
3694                         OSRF_STATUS_BADREQUEST,
3695                         "osrfMethodException",
3696                         ctx->request,
3697                         "No active transaction -- required for DELETE"
3698                 );
3699                 *err = -1;
3700                 return jsonNULL;
3701         }
3702
3703         // The following test is harmless but redundant.  If a class is
3704         // readonly, we don't register a delete method for it.
3705         if( str_is_true( osrfHashGet( meta, "readonly" ) ) ) {
3706                 osrfAppSessionStatus(
3707                         ctx->session,
3708                         OSRF_STATUS_BADREQUEST,
3709                         "osrfMethodException",
3710                         ctx->request,
3711                         "Cannot DELETE readonly class"
3712                 );
3713                 *err = -1;
3714                 return jsonNULL;
3715         }
3716
3717         dbhandle = writehandle;
3718
3719         jsonObject* obj;
3720
3721         char* pkey = osrfHashGet(meta, "primarykey");
3722
3723         int _obj_pos = 0;
3724 #ifdef PCRUD
3725                 _obj_pos = 1;
3726 #endif
3727
3728         char* id;
3729         if (jsonObjectGetIndex(ctx->params, _obj_pos)->classname) {
3730                 if (!verifyObjectClass(ctx, jsonObjectGetIndex( ctx->params, _obj_pos ))) {
3731                         *err = -1;
3732                         return jsonNULL;
3733                 }
3734
3735                 id = oilsFMGetString( jsonObjectGetIndex(ctx->params, _obj_pos), pkey );
3736         } else {
3737 #ifdef PCRUD
3738         if (!verifyObjectPCRUD( ctx, NULL )) {
3739                         *err = -1;
3740                         return jsonNULL;
3741         }
3742 #endif
3743                 id = jsonObjectToSimpleString(jsonObjectGetIndex(ctx->params, _obj_pos));
3744         }
3745
3746         osrfLogDebug(
3747                 OSRF_LOG_MARK,
3748                 "%s deleting %s object with %s = %s",
3749                 MODULENAME,
3750                 osrfHashGet(meta, "fieldmapper"),
3751                 pkey,
3752                 id
3753         );
3754
3755         obj = jsonNewObject(id);
3756
3757         if ( strcmp( osrfHashGet( osrfHashGet( osrfHashGet(meta, "fields"), pkey ), "primitive" ), "number" ) )
3758                 dbi_conn_quote_string(writehandle, &id);
3759
3760         dbi_result result = dbi_conn_queryf(writehandle, "DELETE FROM %s WHERE %s = %s;", osrfHashGet(meta, "tablename"), pkey, id);
3761
3762         if (!result) {
3763                 jsonObjectFree(obj);
3764                 obj = jsonNewObject(NULL);
3765                 osrfLogError(
3766                         OSRF_LOG_MARK,
3767                         "%s ERROR deleting %s object with %s = %s",
3768                         MODULENAME,
3769                         osrfHashGet(meta, "fieldmapper"),
3770                         pkey,
3771                         id
3772                 );
3773         }
3774
3775         free(id);
3776
3777         return obj;
3778
3779 }
3780
3781
3782 static jsonObject* oilsMakeFieldmapperFromResult( dbi_result result, osrfHash* meta) {
3783         if(!(result && meta)) return jsonNULL;
3784
3785         jsonObject* object = jsonNewObject(NULL);
3786         jsonObjectSetClass(object, osrfHashGet(meta, "classname"));
3787
3788         osrfHash* fields = osrfHashGet(meta, "fields");
3789
3790         osrfLogInternal(OSRF_LOG_MARK, "Setting object class to %s ", object->classname);
3791
3792         osrfHash* _f;
3793         time_t _tmp_dt;
3794         char dt_string[256];
3795         struct tm gmdt;
3796
3797         int fmIndex;
3798         int columnIndex = 1;
3799         int attr;
3800         unsigned short type;
3801         const char* columnName;
3802
3803         /* cycle through the column list */
3804         while( (columnName = dbi_result_get_field_name(result, columnIndex++)) ) {
3805
3806                 osrfLogInternal(OSRF_LOG_MARK, "Looking for column named [%s]...", (char*)columnName);
3807
3808                 fmIndex = -1; // reset the position
3809
3810                 /* determine the field type and storage attributes */
3811                 type = dbi_result_get_field_type(result, columnName);
3812                 attr = dbi_result_get_field_attribs(result, columnName);
3813
3814                 /* fetch the fieldmapper index */
3815                 if( (_f = osrfHashGet(fields, (char*)columnName)) ) {
3816
3817                         if ( str_is_true( osrfHashGet(_f, "virtual") ) )
3818                                 continue;
3819
3820                         const char* pos = (char*)osrfHashGet(_f, "array_position");
3821                         if ( !pos ) continue;
3822
3823                         fmIndex = atoi( pos );
3824                         osrfLogInternal(OSRF_LOG_MARK, "... Found column at position [%s]...", pos);
3825                 } else {
3826                         continue;
3827                 }
3828
3829                 if (dbi_result_field_is_null(result, columnName)) {
3830                         jsonObjectSetIndex( object, fmIndex, jsonNewObject(NULL) );
3831                 } else {
3832
3833                         switch( type ) {
3834
3835                                 case DBI_TYPE_INTEGER :
3836
3837                                         if( attr & DBI_INTEGER_SIZE8 )
3838                                                 jsonObjectSetIndex( object, fmIndex,
3839                                                         jsonNewNumberObject(dbi_result_get_longlong(result, columnName)));
3840                                         else
3841                                                 jsonObjectSetIndex( object, fmIndex,
3842                                                         jsonNewNumberObject(dbi_result_get_int(result, columnName)));
3843
3844                                         break;
3845
3846                                 case DBI_TYPE_DECIMAL :
3847                                         jsonObjectSetIndex( object, fmIndex,
3848                                                         jsonNewNumberObject(dbi_result_get_double(result, columnName)));
3849                                         break;
3850
3851                                 case DBI_TYPE_STRING :
3852
3853
3854                                         jsonObjectSetIndex(
3855                                                 object,
3856                                                 fmIndex,
3857                                                 jsonNewObject( dbi_result_get_string(result, columnName) )
3858                                         );
3859
3860                                         break;
3861
3862                                 case DBI_TYPE_DATETIME :
3863
3864                                         memset(dt_string, '\0', sizeof(dt_string));
3865                                         memset(&gmdt, '\0', sizeof(gmdt));
3866
3867                                         _tmp_dt = dbi_result_get_datetime(result, columnName);
3868
3869
3870                                         if (!(attr & DBI_DATETIME_DATE)) {
3871                                                 gmtime_r( &_tmp_dt, &gmdt );
3872                                                 strftime(dt_string, sizeof(dt_string), "%T", &gmdt);
3873                                         } else if (!(attr & DBI_DATETIME_TIME)) {
3874                                                 localtime_r( &_tmp_dt, &gmdt );
3875                                                 strftime(dt_string, sizeof(dt_string), "%F", &gmdt);
3876                                         } else {
3877                                                 localtime_r( &_tmp_dt, &gmdt );
3878                                                 strftime(dt_string, sizeof(dt_string), "%FT%T%z", &gmdt);
3879                                         }
3880
3881                                         jsonObjectSetIndex( object, fmIndex, jsonNewObject(dt_string) );
3882
3883                                         break;
3884
3885                                 case DBI_TYPE_BINARY :
3886                                         osrfLogError( OSRF_LOG_MARK,
3887                                                 "Can't do binary at column %s : index %d", columnName, columnIndex - 1);
3888                         }
3889                 }
3890         }
3891
3892         return object;
3893 }
3894
3895 static jsonObject* oilsMakeJSONFromResult( dbi_result result ) {
3896         if(!result) return jsonNULL;
3897
3898         jsonObject* object = jsonNewObject(NULL);
3899
3900         time_t _tmp_dt;
3901         char dt_string[256];
3902         struct tm gmdt;
3903
3904         int fmIndex;
3905         int columnIndex = 1;
3906         int attr;
3907         unsigned short type;
3908         const char* columnName;
3909
3910         /* cycle through the column list */
3911         while( (columnName = dbi_result_get_field_name(result, columnIndex++)) ) {
3912
3913                 osrfLogInternal(OSRF_LOG_MARK, "Looking for column named [%s]...", (char*)columnName);
3914
3915                 fmIndex = -1; // reset the position
3916
3917                 /* determine the field type and storage attributes */
3918                 type = dbi_result_get_field_type(result, columnName);
3919                 attr = dbi_result_get_field_attribs(result, columnName);
3920
3921                 if (dbi_result_field_is_null(result, columnName)) {
3922                         jsonObjectSetKey( object, columnName, jsonNewObject(NULL) );
3923                 } else {
3924
3925                         switch( type ) {
3926
3927                                 case DBI_TYPE_INTEGER :
3928
3929                                         if( attr & DBI_INTEGER_SIZE8 )
3930                                                 jsonObjectSetKey( object, columnName, jsonNewNumberObject(dbi_result_get_longlong(result, columnName)) );
3931                                         else
3932                                                 jsonObjectSetKey( object, columnName, jsonNewNumberObject(dbi_result_get_int(result, columnName)) );
3933                                         break;
3934
3935                                 case DBI_TYPE_DECIMAL :
3936                                         jsonObjectSetKey( object, columnName, jsonNewNumberObject(dbi_result_get_double(result, columnName)) );
3937                                         break;
3938
3939                                 case DBI_TYPE_STRING :
3940                                         jsonObjectSetKey( object, columnName, jsonNewObject(dbi_result_get_string(result, columnName)) );
3941                                         break;
3942
3943                                 case DBI_TYPE_DATETIME :
3944
3945                                         memset(dt_string, '\0', sizeof(dt_string));
3946                                         memset(&gmdt, '\0', sizeof(gmdt));
3947
3948                                         _tmp_dt = dbi_result_get_datetime(result, columnName);
3949
3950
3951                                         if (!(attr & DBI_DATETIME_DATE)) {
3952                                                 gmtime_r( &_tmp_dt, &gmdt );
3953                                                 strftime(dt_string, sizeof(dt_string), "%T", &gmdt);
3954                                         } else if (!(attr & DBI_DATETIME_TIME)) {
3955                                                 localtime_r( &_tmp_dt, &gmdt );
3956                                                 strftime(dt_string, sizeof(dt_string), "%F", &gmdt);
3957                                         } else {
3958                                                 localtime_r( &_tmp_dt, &gmdt );
3959                                                 strftime(dt_string, sizeof(dt_string), "%FT%T%z", &gmdt);
3960                                         }
3961
3962                                         jsonObjectSetKey( object, columnName, jsonNewObject(dt_string) );
3963                                         break;
3964
3965                                 case DBI_TYPE_BINARY :
3966                                         osrfLogError( OSRF_LOG_MARK,
3967                                                 "Can't do binary at column %s : index %d", columnName, columnIndex - 1);
3968                         }
3969                 }
3970         }
3971
3972         return object;
3973 }
3974
3975 // Interpret a string as true or false
3976 static int str_is_true( const char* str ) {
3977         if( NULL == str || strcasecmp( str, "true" ) )
3978                 return 0;
3979         else
3980                 return 1;
3981 }
3982
3983 // Interpret a jsonObject as true or false
3984 static int obj_is_true( const jsonObject* obj ) {
3985         if( !obj )
3986                 return 0;
3987         else switch( obj->type )
3988         {
3989                 case JSON_BOOL :
3990                         if( obj->value.b )
3991                                 return 1;
3992                         else
3993                                 return 0;
3994                 case JSON_STRING :
3995                         if( strcasecmp( obj->value.s, "true" ) )
3996                                 return 0;
3997                         else
3998                                 return 1;
3999                 case JSON_NUMBER :          // Support 1/0 for perl's sake
4000                         if( jsonObjectGetNumber( obj ) == 1.0 )
4001                                 return 1;
4002                         else
4003                                 return 0;
4004                 default :
4005                         return 0;
4006         }
4007 }