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