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