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

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