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