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, osrfHashGet( oilsIDL(), "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 %s", ((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                         osrfHashGet( oilsIDL(), class_name ),
 980                         class,
 981                         _tmp_params,
 982                         &err
 983                     );
 984
 985
 986                     jsonObject* _fparam = jsonObjectGetIndex(_list, 0);
 987
 988                     if (!_fparam) {
 989                         jsonObjectFree(_tmp_params);
 990                         jsonObjectFree(_list);
 991                         return 0;
 992                     }
 993
 994                     jsonObjectFree(_tmp_params);
 995                     jsonObjectFree(_list);
 996
 997                     char* foreign_field = NULL;
 998                     while ( (foreign_field = osrfStringArrayGetString(osrfHashGet(fcontext,"context"), i++)) ) {
 999                         osrfStringArrayAdd( context_org_array, oilsFMGetString( _fparam, foreign_field ) );
1000                             osrfLogDebug(
1001                             OSRF_LOG_MARK,
1002                             "adding foreign class %s field %s (value: %s) to the context org list",
1003                             class_name,
1004                             foreign_field,
1005                             osrfStringArrayGetString(context_org_array, context_org_array->size - 1)
1006                         );
1007                     }
1008
1009                     jsonObjectFree(_fparam);
1010                 }
1011
1012                 osrfStringArrayFree(class_list);
1013             }
1014         }
1015
1016         jsonObjectFree(param);
1017     }
1018
1019     char* context_org = NULL;
1020     char* perm = NULL;
1021     int OK = 0;
1022
1023     if (permission->size == 0) {
1024             osrfLogDebug( OSRF_LOG_MARK, "No permission specified for this action, passing through" );
1025         OK = 1;
1026     }
1027
1028     int i = 0;
1029     while ( (perm = osrfStringArrayGetString(permission, i++)) ) {
1030         int j = 0;
1031         while ( (context_org = osrfStringArrayGetString(context_org_array, j++)) ) {
1032             dbi_result result;
1033
1034             if (pkey_value) {
1035                     osrfLogDebug(
1036                     OSRF_LOG_MARK,
1037                     "Checking object permission [%s] for user %d on object %s (class %s) at org %d",
1038                     perm,
1039                     userid,
1040                     pkey_value,
1041                     osrfHashGet(class, "classname"),
1042                     atoi(context_org)
1043                 );
1044
1045                 result = dbi_conn_queryf(
1046                     writehandle,
1047                     "SELECT permission.usr_has_object_perm(%d, '%s', '%s', '%s', %d) AS has_perm;",
1048                     userid,
1049                     perm,
1050                     osrfHashGet(class, "classname"),
1051                     pkey_value,
1052                     atoi(context_org)
1053                 );
1054
1055                 if (result) {
1056                     osrfLogDebug(
1057                         OSRF_LOG_MARK,
1058                         "Recieved a result for object permission [%s] for user %d on object %s (class %s) at org %d",
1059                         perm,
1060                         userid,
1061                         pkey_value,
1062                         osrfHashGet(class, "classname"),
1063                         atoi(context_org)
1064                     );
1065
1066                     if (dbi_result_first_row(result)) {
1067                         jsonObject* return_val = oilsMakeJSONFromResult( result );
1068                         char* has_perm = jsonObjectToSimpleString( jsonObjectGetKeyConst(return_val, "has_perm") );
1069
1070                             osrfLogDebug(
1071                             OSRF_LOG_MARK,
1072                             "Status of object permission [%s] for user %d on object %s (class %s) at org %d is %s",
1073                             perm,
1074                             userid,
1075                             pkey_value,
1076                             osrfHashGet(class, "classname"),
1077                             atoi(context_org),
1078                             has_perm
1079                         );
1080
1081                         if ( *has_perm == 't' ) OK = 1;
1082                         free(has_perm);
1083                         jsonObjectFree(return_val);
1084                     }
1085
1086                     dbi_result_free(result);
1087                     if (OK) break;
1088                 }
1089             }
1090
1091                 osrfLogDebug( OSRF_LOG_MARK, "Checking non-object permission [%s] for user %d at org %d", perm, userid, atoi(context_org) );
1092             result = dbi_conn_queryf(
1093                 writehandle,
1094                 "SELECT permission.usr_has_perm(%d, '%s', %d) AS has_perm;",
1095                 userid,
1096                 perm,
1097                 atoi(context_org)
1098             );
1099
1100             if (result) {
1101                     osrfLogDebug( OSRF_LOG_MARK, "Recieved a result for permission [%s] for user %d at org %d", perm, userid, atoi(context_org) );
1102                 if (dbi_result_first_row(result)) {
1103                     jsonObject* return_val = oilsMakeJSONFromResult( result );
1104                     char* has_perm = jsonObjectToSimpleString( jsonObjectGetKeyConst(return_val, "has_perm") );
1105                         osrfLogDebug( OSRF_LOG_MARK, "Status of permission [%s] for user %d at org %d is [%s]", perm, userid, atoi(context_org), has_perm );
1106                     if ( *has_perm == 't' ) OK = 1;
1107                     free(has_perm);
1108                     jsonObjectFree(return_val);
1109                 }
1110
1111                 dbi_result_free(result);
1112                 if (OK) break;
1113             }
1114
1115         }
1116         if (OK) break;
1117     }
1118
1119     if (pkey_value) free(pkey_value);
1120     osrfStringArrayFree(context_org_array);
1121
1122     return OK;
1123 }
1124 #endif
1125
1126
1127 static jsonObject* doCreate(osrfMethodContext* ctx, int* err ) {
1128
1129         osrfHash* meta = osrfHashGet( (osrfHash*) ctx->method->userData, "class" );
1130 #ifdef PCRUD
1131         jsonObject* target = jsonObjectGetIndex( ctx->params, 1 );
1132         jsonObject* options = jsonObjectGetIndex( ctx->params, 2 );
1133 #else
1134         jsonObject* target = jsonObjectGetIndex( ctx->params, 0 );
1135         jsonObject* options = jsonObjectGetIndex( ctx->params, 1 );
1136 #endif
1137
1138         if (!verifyObjectClass(ctx, target)) {
1139                 *err = -1;
1140                 return jsonNULL;
1141         }
1142
1143         osrfLogDebug( OSRF_LOG_MARK, "Object seems to be of the correct type" );
1144
1145         if (!ctx->session || !ctx->session->userData || !osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )) {
1146                 osrfLogError( OSRF_LOG_MARK, "No active transaction -- required for CREATE" );
1147
1148                 osrfAppSessionStatus(
1149                         ctx->session,
1150                         OSRF_STATUS_BADREQUEST,
1151                         "osrfMethodException",
1152                         ctx->request,
1153                         "No active transaction -- required for CREATE"
1154                 );
1155                 *err = -1;
1156                 return jsonNULL;
1157         }
1158
1159         if (osrfHashGet( meta, "readonly" ) && strncasecmp("true", osrfHashGet( meta, "readonly" ), 4)) {
1160                 osrfAppSessionStatus(
1161                         ctx->session,
1162                         OSRF_STATUS_BADREQUEST,
1163                         "osrfMethodException",
1164                         ctx->request,
1165                         "Cannot INSERT readonly class"
1166                 );
1167                 *err = -1;
1168                 return jsonNULL;
1169         }
1170
1171
1172         char* trans_id = osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" );
1173
1174         // Set the last_xact_id
1175         int index = oilsIDL_ntop( target->classname, "last_xact_id" );
1176         if (index > -1) {
1177                 osrfLogDebug(OSRF_LOG_MARK, "Setting last_xact_id to %s on %s at position %d", trans_id, target->classname, index);
1178                 jsonObjectSetIndex(target, index, jsonNewObject(trans_id));
1179         }
1180
1181         osrfLogDebug( OSRF_LOG_MARK, "There is a transaction running..." );
1182
1183         dbhandle = writehandle;
1184
1185         osrfHash* fields = osrfHashGet(meta, "fields");
1186         char* pkey = osrfHashGet(meta, "primarykey");
1187         char* seq = osrfHashGet(meta, "sequence");
1188
1189         growing_buffer* table_buf = buffer_init(128);
1190         growing_buffer* col_buf = buffer_init(128);
1191         growing_buffer* val_buf = buffer_init(128);
1192
1193         buffer_fadd(table_buf,"INSERT INTO %s", osrfHashGet(meta, "tablename"));
1194         buffer_add(col_buf,"(");
1195         buffer_add(val_buf,"VALUES (");
1196
1197
1198         int i = 0;
1199         int first = 1;
1200         char* field_name;
1201         osrfStringArray* field_list = osrfHashKeys( fields );
1202         while ( (field_name = osrfStringArrayGetString(field_list, i++)) ) {
1203
1204                 osrfHash* field = osrfHashGet( fields, field_name );
1205
1206                 if(!( strcmp( osrfHashGet(osrfHashGet(fields,field_name), "virtual"), "true" ) )) continue;
1207
1208                 const jsonObject* field_object = oilsFMGetObject( target, field_name );
1209
1210                 char* value;
1211                 if (field_object && field_object->classname) {
1212                         value = oilsFMGetString(
1213                                 field_object,
1214                                 (char*)oilsIDLFindPath("/%s/primarykey", field_object->classname)
1215                         );
1216                 } else {
1217                         value = jsonObjectToSimpleString( field_object );
1218                 }
1219
1220
1221                 if (first) {
1222                         first = 0;
1223                 } else {
1224                         buffer_add(col_buf, ",");
1225                         buffer_add(val_buf, ",");
1226                 }
1227
1228                 buffer_add(col_buf, field_name);
1229
1230                 if (!field_object || field_object->type == JSON_NULL) {
1231                         buffer_add( val_buf, "DEFAULT" );
1232
1233                 } else if ( !strcmp(osrfHashGet(field, "primitive"), "number") ) {
1234                         if ( !strcmp(osrfHashGet(field, "datatype"), "INT8") ) {
1235                                 buffer_fadd( val_buf, "%lld", atoll(value) );
1236
1237                         } else if ( !strcmp(osrfHashGet(field, "datatype"), "INT") ) {
1238                                 buffer_fadd( val_buf, "%d", atoi(value) );
1239
1240                         } else if ( !strcmp(osrfHashGet(field, "datatype"), "NUMERIC") ) {
1241                                 buffer_fadd( val_buf, "%f", atof(value) );
1242                         }
1243                 } else {
1244                         if ( dbi_conn_quote_string(writehandle, &value) ) {
1245                                 buffer_fadd( val_buf, "%s", value );
1246
1247                         } else {
1248                                 osrfLogError(OSRF_LOG_MARK, "%s: Error quoting string [%s]", MODULENAME, value);
1249                                 osrfAppSessionStatus(
1250                                         ctx->session,
1251                                         OSRF_STATUS_INTERNALSERVERERROR,
1252                                         "osrfMethodException",
1253                                         ctx->request,
1254                                         "Error quoting string -- please see the error log for more details"
1255                                 );
1256                                 free(value);
1257                                 buffer_free(table_buf);
1258                                 buffer_free(col_buf);
1259                                 buffer_free(val_buf);
1260                                 *err = -1;
1261                                 return jsonNULL;
1262                         }
1263                 }
1264
1265                 free(value);
1266
1267         }
1268
1269
1270         buffer_add(col_buf,")");
1271         buffer_add(val_buf,")");
1272
1273         char* table_str = buffer_release(table_buf);
1274         char* col_str   = buffer_release(col_buf);
1275         char* val_str   = buffer_release(val_buf);
1276         growing_buffer* sql = buffer_init(128);
1277         buffer_fadd( sql, "%s %s %s;", table_str, col_str, val_str );
1278         free(table_str);
1279         free(col_str);
1280         free(val_str);
1281
1282         char* query = buffer_release(sql);
1283
1284         osrfLogDebug(OSRF_LOG_MARK, "%s: Insert SQL [%s]", MODULENAME, query);
1285
1286
1287         dbi_result result = dbi_conn_query(writehandle, query);
1288
1289         jsonObject* obj = NULL;
1290
1291         if (!result) {
1292                 obj = jsonNewObject(NULL);
1293                 osrfLogError(
1294                         OSRF_LOG_MARK,
1295                         "%s ERROR inserting %s object using query [%s]",
1296                         MODULENAME,
1297                         osrfHashGet(meta, "fieldmapper"),
1298                         query
1299                 );
1300                 osrfAppSessionStatus(
1301                         ctx->session,
1302                         OSRF_STATUS_INTERNALSERVERERROR,
1303                         "osrfMethodException",
1304                         ctx->request,
1305                         "INSERT error -- please see the error log for more details"
1306                 );
1307                 *err = -1;
1308         } else {
1309
1310                 char* id = oilsFMGetString(target, pkey);
1311                 if (!id) {
1312                         unsigned long long new_id = dbi_conn_sequence_last(writehandle, seq);
1313                         growing_buffer* _id = buffer_init(10);
1314                         buffer_fadd(_id, "%lld", new_id);
1315                         id = buffer_release(_id);
1316                 }
1317
1318                 // Find quietness specification, if present
1319                 char* quiet_str = NULL;
1320                 if ( options ) {
1321                         const jsonObject* quiet_obj = jsonObjectGetKeyConst( options, "quiet" );
1322                         if( quiet_obj )
1323                                 quiet_str = jsonObjectToSimpleString( quiet_obj );
1324                 }
1325
1326                 if( quiet_str && !strcmp( quiet_str, "true" )) {  // if quietness is specified
1327                         obj = jsonNewObject(id);
1328                 }
1329                 else {
1330
1331                         jsonObject* fake_params = jsonNewObjectType(JSON_ARRAY);
1332                         jsonObjectPush(fake_params, jsonNewObjectType(JSON_HASH));
1333
1334                         jsonObjectSetKey(
1335                                 jsonObjectGetIndex(fake_params, 0),
1336                                 pkey,
1337                                 jsonNewObject(id)
1338                         );
1339
1340                         jsonObject* list = doFieldmapperSearch( ctx,meta, fake_params, err);
1341
1342                         if(*err) {
1343                                 jsonObjectFree( fake_params );
1344                                 obj = jsonNULL;
1345                         } else {
1346                                 obj = jsonObjectClone( jsonObjectGetIndex(list, 0) );
1347                         }
1348
1349                         jsonObjectFree( list );
1350                         jsonObjectFree( fake_params );
1351                 }
1352
1353                 if(quiet_str) free(quiet_str);
1354                 free(id);
1355         }
1356
1357         free(query);
1358
1359         return obj;
1360
1361 }
1362
1363
1364 static jsonObject* doRetrieve(osrfMethodContext* ctx, int* err ) {
1365
1366     int id_pos = 0;
1367     int order_pos = 1;
1368
1369 #ifdef PCRUD
1370     id_pos = 1;
1371     order_pos = 2;
1372 #endif
1373
1374         osrfHash* meta = osrfHashGet( (osrfHash*) ctx->method->userData, "class" );
1375
1376         jsonObject* obj;
1377
1378         char* id = jsonObjectToSimpleString(jsonObjectGetIndex(ctx->params, id_pos));
1379         jsonObject* order_hash = jsonObjectGetIndex(ctx->params, order_pos);
1380
1381         osrfLogDebug(
1382                 OSRF_LOG_MARK,
1383                 "%s retrieving %s object with primary key value of %s",
1384                 MODULENAME,
1385                 osrfHashGet(meta, "fieldmapper"),
1386                 id
1387         );
1388
1389         jsonObject* fake_params = jsonNewObjectType(JSON_ARRAY);
1390         jsonObjectPush(fake_params, jsonNewObjectType(JSON_HASH));
1391
1392         jsonObjectSetKey(
1393                 jsonObjectGetIndex(fake_params, 0),
1394                 osrfHashGet(meta, "primarykey"),
1395                 jsonParseString(id)
1396         );
1397
1398         free(id);
1399
1400         if (order_hash) jsonObjectPush(fake_params, jsonObjectClone(order_hash) );
1401
1402         jsonObject* list = doFieldmapperSearch( ctx,meta, fake_params, err);
1403
1404         if(*err) {
1405                 jsonObjectFree( fake_params );
1406                 return jsonNULL;
1407         }
1408
1409         obj = jsonObjectClone( jsonObjectGetIndex(list, 0) );
1410
1411         jsonObjectFree( list );
1412         jsonObjectFree( fake_params );
1413
1414 #ifdef PCRUD
1415         if(!verifyObjectPCRUD(ctx, obj)) {
1416         jsonObjectFree(obj);
1417         *err = -1;
1418
1419         growing_buffer* msg = buffer_init(128);
1420         buffer_fadd(
1421             msg,
1422             "%s: Insufficient permissions",
1423             MODULENAME
1424         );
1425
1426         char* m = buffer_release(msg);
1427         osrfAppSessionStatus( ctx->session, OSRF_STATUS_BADREQUEST, "osrfMethodException", ctx->request, m );
1428
1429         free(m);
1430
1431                 return jsonNULL;
1432         }
1433 #endif
1434
1435         return obj;
1436 }
1437
1438 static char* jsonNumberToDBString ( osrfHash* field, const jsonObject* value ) {
1439         growing_buffer* val_buf = buffer_init(32);
1440
1441         if ( !strncmp(osrfHashGet(field, "datatype"), "INT", (size_t)3) ) {
1442                 if (value->type == JSON_NUMBER) buffer_fadd( val_buf, "%ld", (long)jsonObjectGetNumber(value) );
1443                 else {
1444                         char* val_str = jsonObjectToSimpleString(value);
1445                         buffer_fadd( val_buf, "%ld", atol(val_str) );
1446                         free(val_str);
1447                 }
1448
1449         } else if ( !strcmp(osrfHashGet(field, "datatype"), "NUMERIC") ) {
1450                 if (value->type == JSON_NUMBER) buffer_fadd( val_buf, "%f",  jsonObjectGetNumber(value) );
1451                 else {
1452                         char* val_str = jsonObjectToSimpleString(value);
1453                         buffer_fadd( val_buf, "%f", atof(val_str) );
1454                         free(val_str);
1455                 }
1456         }
1457
1458         return buffer_release(val_buf);
1459 }
1460
1461 static char* searchINPredicate (const char* class, osrfHash* field,
1462                 const jsonObject* node, const char* op) {
1463         growing_buffer* sql_buf = buffer_init(32);
1464
1465         buffer_fadd(
1466                 sql_buf,
1467                 "\"%s\".%s ",
1468                 class,
1469                 osrfHashGet(field, "name")
1470         );
1471
1472         if (!op) {
1473                 buffer_add(sql_buf, "IN (");
1474         } else if (!(strcasecmp(op,"not in"))) {
1475                 buffer_add(sql_buf, "NOT IN (");
1476         } else {
1477                 buffer_add(sql_buf, "IN (");
1478         }
1479
1480         int in_item_index = 0;
1481         int in_item_first = 1;
1482         jsonObject* in_item;
1483         while ( (in_item = jsonObjectGetIndex(node, in_item_index++)) ) {
1484
1485                 if (in_item_first)
1486                         in_item_first = 0;
1487                 else
1488                         buffer_add(sql_buf, ", ");
1489
1490                 if ( !strcmp(osrfHashGet(field, "primitive"), "number") ) {
1491                         char* val = jsonNumberToDBString( field, in_item );
1492                         buffer_fadd( sql_buf, "%s", val );
1493                         free(val);
1494
1495                 } else {
1496                         char* key_string = jsonObjectToSimpleString(in_item);
1497                         if ( dbi_conn_quote_string(dbhandle, &key_string) ) {
1498                                 buffer_fadd( sql_buf, "%s", key_string );
1499                                 free(key_string);
1500                         } else {
1501                                 osrfLogError(OSRF_LOG_MARK, "%s: Error quoting key string [%s]", MODULENAME, key_string);
1502                                 free(key_string);
1503                                 buffer_free(sql_buf);
1504                                 return NULL;
1505                         }
1506                 }
1507         }
1508
1509         buffer_add(
1510                 sql_buf,
1511                 ")"
1512         );
1513
1514         return buffer_release(sql_buf);
1515 }
1516
1517 static char* searchValueTransform( const jsonObject* array ) {
1518         growing_buffer* sql_buf = buffer_init(32);
1519
1520         char* val = NULL;
1521         int func_item_index = 0;
1522         int func_item_first = 2;
1523         jsonObject* func_item;
1524         while ( (func_item = jsonObjectGetIndex(array, func_item_index++)) ) {
1525
1526                 val = jsonObjectToSimpleString(func_item);
1527
1528                 if (func_item_first == 2) {
1529                         buffer_fadd(sql_buf, "%s( ", val);
1530                         free(val);
1531                         func_item_first--;
1532                         continue;
1533                 }
1534
1535                 if (func_item_first)
1536                         func_item_first--;
1537                 else
1538                         buffer_add(sql_buf, ", ");
1539
1540                 if (func_item->type == JSON_NULL) {
1541                         buffer_add( sql_buf, "NULL" );
1542                 } else if ( dbi_conn_quote_string(dbhandle, &val) ) {
1543                         buffer_fadd( sql_buf, "%s", val );
1544                 } else {
1545                         osrfLogError(OSRF_LOG_MARK, "%s: Error quoting key string [%s]", MODULENAME, val);
1546                         free(val);
1547                         buffer_free(sql_buf);
1548                         return NULL;
1549                 }
1550
1551                 free(val);
1552         }
1553
1554         buffer_add(
1555                 sql_buf,
1556                 " )"
1557         );
1558
1559         return buffer_release(sql_buf);
1560 }
1561
1562 static char* searchFunctionPredicate (const char* class, osrfHash* field,
1563                 const jsonObject* node, const char* node_key) {
1564         growing_buffer* sql_buf = buffer_init(32);
1565
1566         char* val = searchValueTransform(node);
1567
1568         buffer_fadd(
1569                 sql_buf,
1570                 "\"%s\".%s %s %s",
1571                 class,
1572                 osrfHashGet(field, "name"),
1573                 node_key,
1574                 val
1575         );
1576
1577         free(val);
1578
1579         return buffer_release(sql_buf);
1580 }
1581
1582 static char* searchFieldTransform (const char* class, osrfHash* field, const jsonObject* node) {
1583         growing_buffer* sql_buf = buffer_init(32);
1584
1585         char* field_transform = jsonObjectToSimpleString( jsonObjectGetKeyConst( node, "transform" ) );
1586         char* transform_subcolumn = jsonObjectToSimpleString( jsonObjectGetKeyConst( node, "result_field" ) );
1587
1588         if (field_transform) {
1589                 buffer_fadd( sql_buf, "%s(\"%s\".%s", field_transform, class, osrfHashGet(field, "name"));
1590             const jsonObject* array = jsonObjectGetKeyConst( node, "params" );
1591
1592         if (array) {
1593                 int func_item_index = 0;
1594                 jsonObject* func_item;
1595                 while ( (func_item = jsonObjectGetIndex(array, func_item_index++)) ) {
1596
1597                         char* val = jsonObjectToSimpleString(func_item);
1598
1599                     if ( !val ) {
1600                             buffer_add( sql_buf, ",NULL" );
1601                     } else if ( dbi_conn_quote_string(dbhandle, &val) ) {
1602                             buffer_fadd( sql_buf, ",%s", val );
1603                         } else {
1604                                 osrfLogError(OSRF_LOG_MARK, "%s: Error quoting key string [%s]", MODULENAME, val);
1605                             free(field_transform);
1606                                         free(val);
1607                                 buffer_free(sql_buf);
1608                                 return NULL;
1609                 }
1610                                 free(val);
1611                         }
1612
1613         }
1614
1615         buffer_add(
1616                 sql_buf,
1617                 " )"
1618         );
1619
1620         } else {
1621                 buffer_fadd( sql_buf, "\"%s\".%s", class, osrfHashGet(field, "name"));
1622         }
1623
1624     if (transform_subcolumn) {
1625         char * tmp = buffer_release(sql_buf);
1626         sql_buf = buffer_init(32);
1627         buffer_fadd(
1628             sql_buf,
1629             "(%s).\"%s\"",
1630             tmp,
1631             transform_subcolumn
1632         );
1633         free(tmp);
1634     }
1635
1636         if (field_transform) free(field_transform);
1637         if (transform_subcolumn) free(transform_subcolumn);
1638
1639         return buffer_release(sql_buf);
1640 }
1641
1642 static char* searchFieldTransformPredicate (const char* class, osrfHash* field, jsonObject* node, const char* node_key) {
1643         char* field_transform = searchFieldTransform( class, field, node );
1644         char* value = NULL;
1645
1646         if (!jsonObjectGetKeyConst( node, "value" )) {
1647                 value = searchWHERE( node, osrfHashGet( oilsIDL(), class ), AND_OP_JOIN, NULL );
1648         } else if (jsonObjectGetKeyConst( node, "value" )->type == JSON_ARRAY) {
1649                 value = searchValueTransform(jsonObjectGetKeyConst( node, "value" ));
1650         } else if (jsonObjectGetKeyConst( node, "value" )->type == JSON_HASH) {
1651                 value = searchWHERE( jsonObjectGetKeyConst( node, "value" ), osrfHashGet( oilsIDL(), class ), AND_OP_JOIN, NULL );
1652         } else if (jsonObjectGetKeyConst( node, "value" )->type != JSON_NULL) {
1653                 if ( !strcmp(osrfHashGet(field, "primitive"), "number") ) {
1654                         value = jsonNumberToDBString( field, jsonObjectGetKeyConst( node, "value" ) );
1655                 } else {
1656                         value = jsonObjectToSimpleString(jsonObjectGetKeyConst( node, "value" ));
1657                         if ( !dbi_conn_quote_string(dbhandle, &value) ) {
1658                                 osrfLogError(OSRF_LOG_MARK, "%s: Error quoting key string [%s]", MODULENAME, value);
1659                                 free(value);
1660                                 free(field_transform);
1661                                 return NULL;
1662                         }
1663                 }
1664         }
1665
1666         growing_buffer* sql_buf = buffer_init(32);
1667
1668         buffer_fadd(
1669                 sql_buf,
1670                 "%s %s %s",
1671                 field_transform,
1672                 node_key,
1673                 value
1674         );
1675
1676         free(value);
1677         free(field_transform);
1678
1679         return buffer_release(sql_buf);
1680 }
1681
1682 static char* searchSimplePredicate (const char* orig_op, const char* class,
1683                 osrfHash* field, const jsonObject* node) {
1684
1685         char* val = NULL;
1686
1687         if (node->type != JSON_NULL) {
1688                 if ( !strcmp(osrfHashGet(field, "primitive"), "number") ) {
1689                         val = jsonNumberToDBString( field, node );
1690                 } else {
1691                         val = jsonObjectToSimpleString(node);
1692                 }
1693         }
1694
1695         char* pred = searchWriteSimplePredicate( class, field, osrfHashGet(field, "name"), orig_op, val );
1696
1697         if (val) free(val);
1698
1699         return pred;
1700 }
1701
1702 static char* searchWriteSimplePredicate ( const char* class, osrfHash* field,
1703         const char* left, const char* orig_op, const char* right ) {
1704
1705         char* val = NULL;
1706         char* op = NULL;
1707         if (right == NULL) {
1708                 val = strdup("NULL");
1709
1710                 if (strcmp( orig_op, "=" ))
1711                         op = strdup("IS NOT");
1712                 else
1713                         op = strdup("IS");
1714
1715         } else if ( !strcmp(osrfHashGet(field, "primitive"), "number") ) {
1716                 val = strdup(right);
1717                 op = strdup(orig_op);
1718
1719         } else {
1720                 val = strdup(right);
1721                 if ( !dbi_conn_quote_string(dbhandle, &val) ) {
1722                         osrfLogError(OSRF_LOG_MARK, "%s: Error quoting key string [%s]", MODULENAME, val);
1723                         free(val);
1724                         return NULL;
1725                 }
1726                 op = strdup(orig_op);
1727         }
1728
1729         growing_buffer* sql_buf = buffer_init(16);
1730         buffer_fadd( sql_buf, "\"%s\".%s %s %s", class, left, op, val );
1731         free(val);
1732         free(op);
1733
1734         return buffer_release(sql_buf);
1735 }
1736
1737 static char* searchBETWEENPredicate (const char* class, osrfHash* field, jsonObject* node) {
1738
1739         char* x_string;
1740         char* y_string;
1741
1742         if ( !strcmp(osrfHashGet(field, "primitive"), "number") ) {
1743                 x_string = jsonNumberToDBString(field, jsonObjectGetIndex(node,0));
1744                 y_string = jsonNumberToDBString(field, jsonObjectGetIndex(node,1));
1745
1746         } else {
1747                 x_string = jsonObjectToSimpleString(jsonObjectGetIndex(node,0));
1748                 y_string = jsonObjectToSimpleString(jsonObjectGetIndex(node,1));
1749                 if ( !(dbi_conn_quote_string(dbhandle, &x_string) && dbi_conn_quote_string(dbhandle, &y_string)) ) {
1750                         osrfLogError(OSRF_LOG_MARK, "%s: Error quoting key strings [%s] and [%s]", MODULENAME, x_string, y_string);
1751                         free(x_string);
1752                         free(y_string);
1753                         return NULL;
1754                 }
1755         }
1756
1757         growing_buffer* sql_buf = buffer_init(32);
1758         buffer_fadd( sql_buf, "%s BETWEEN %s AND %s", osrfHashGet(field, "name"), x_string, y_string );
1759         free(x_string);
1760         free(y_string);
1761
1762         return buffer_release(sql_buf);
1763 }
1764
1765 static char* searchPredicate ( const char* class, osrfHash* field, jsonObject* node ) {
1766
1767         char* pred = NULL;
1768         if (node->type == JSON_ARRAY) { // equality IN search
1769                 pred = searchINPredicate( class, field, node, NULL );
1770         } else if (node->type == JSON_HASH) { // non-equality search
1771                 jsonObject* pred_node;
1772                 jsonIterator* pred_itr = jsonNewIterator( node );
1773                 while ( (pred_node = jsonIteratorNext( pred_itr )) ) {
1774                         if ( !(strcasecmp( pred_itr->key,"between" )) )
1775                                 pred = searchBETWEENPredicate( class, field, pred_node );
1776                         else if ( !(strcasecmp( pred_itr->key,"in" )) || !(strcasecmp( pred_itr->key,"not in" )) )
1777                                 pred = searchINPredicate( class, field, pred_node, pred_itr->key );
1778                         else if ( pred_node->type == JSON_ARRAY )
1779                                 pred = searchFunctionPredicate( class, field, pred_node, pred_itr->key );
1780                         else if ( pred_node->type == JSON_HASH )
1781                                 pred = searchFieldTransformPredicate( class, field, pred_node, pred_itr->key );
1782                         else
1783                                 pred = searchSimplePredicate( pred_itr->key, class, field, pred_node );
1784
1785                         break;
1786                 }
1787         jsonIteratorFree(pred_itr);
1788         } else if (node->type == JSON_NULL) { // IS NULL search
1789                 growing_buffer* _p = buffer_init(64);
1790                 buffer_fadd(
1791                         _p,
1792                         "\"%s\".%s IS NULL",
1793                         class,
1794                         osrfHashGet(field, "name")
1795                 );
1796                 pred = buffer_release(_p);
1797         } else { // equality search
1798                 pred = searchSimplePredicate( "=", class, field, node );
1799         }
1800
1801         return pred;
1802
1803 }
1804
1805
1806 /*
1807
1808 join : {
1809         acn : {
1810                 field : record,
1811                 fkey : id
1812                 type : left
1813                 filter_op : or
1814                 filter : { ... },
1815                 join : {
1816                         acp : {
1817                                 field : call_number,
1818                                 fkey : id,
1819                                 filter : { ... },
1820                         },
1821                 },
1822         },
1823         mrd : {
1824                 field : record,
1825                 type : inner
1826                 fkey : id,
1827                 filter : { ... },
1828         }
1829 }
1830
1831 */
1832
1833 static char* searchJOIN ( const jsonObject* join_hash, osrfHash* leftmeta ) {
1834
1835         const jsonObject* working_hash;
1836         jsonObject* freeable_hash = NULL;
1837
1838         if (join_hash->type == JSON_STRING) {
1839                 // create a wrapper around a copy of the original
1840                 char* _tmp = jsonObjectToSimpleString( join_hash );
1841                 freeable_hash = jsonNewObjectType(JSON_HASH);
1842                 jsonObjectSetKey(freeable_hash, _tmp, NULL);
1843                 free(_tmp);
1844                 working_hash = freeable_hash;
1845         }
1846         else
1847                 working_hash = join_hash;
1848
1849         growing_buffer* join_buf = buffer_init(128);
1850         char* leftclass = osrfHashGet(leftmeta, "classname");
1851
1852         jsonObject* snode = NULL;
1853         jsonIterator* search_itr = jsonNewIterator( working_hash );
1854         if(freeable_hash)
1855                 jsonObjectFree(freeable_hash);
1856
1857         while ( (snode = jsonIteratorNext( search_itr )) ) {
1858                 osrfHash* idlClass = osrfHashGet( oilsIDL(), search_itr->key );
1859
1860                 char* class = osrfHashGet(idlClass, "classname");
1861
1862                 char* fkey = jsonObjectToSimpleString( jsonObjectGetKeyConst( snode, "fkey" ) );
1863                 char* field = jsonObjectToSimpleString( jsonObjectGetKeyConst( snode, "field" ) );
1864
1865                 if (field && !fkey) {
1866                         fkey = (char*)oilsIDLFindPath("/%s/links/%s/key", class, field);
1867                         if (!fkey) {
1868                                 osrfLogError(
1869                                         OSRF_LOG_MARK,
1870                                         "%s: JOIN failed.  No link defined from %s.%s to %s",
1871                                         MODULENAME,
1872                                         class,
1873                                         field,
1874                                         leftclass
1875                                 );
1876                                 buffer_free(join_buf);
1877                                 free(field);
1878                                 jsonIteratorFree(search_itr);
1879                                 return NULL;
1880                         }
1881                         fkey = strdup( fkey );
1882
1883                 } else if (!field && fkey) {
1884                         field = (char*)oilsIDLFindPath("/%s/links/%s/key", leftclass, fkey );
1885                         if (!field) {
1886                                 osrfLogError(
1887                                         OSRF_LOG_MARK,
1888                                         "%s: JOIN failed.  No link defined from %s.%s to %s",
1889                                         MODULENAME,
1890                                         leftclass,
1891                                         fkey,
1892                                         class
1893                                 );
1894                                 buffer_free(join_buf);
1895                                 free(fkey);
1896                                 jsonIteratorFree(search_itr);
1897                                 return NULL;
1898                         }
1899                         field = strdup( field );
1900
1901                 } else if (!field && !fkey) {
1902                         osrfHash* _links = oilsIDLFindPath("/%s/links", leftclass);
1903
1904                         int i = 0;
1905                         osrfStringArray* keys = osrfHashKeys( _links );
1906                         while ( (fkey = osrfStringArrayGetString(keys, i++)) ) {
1907                                 fkey = strdup(osrfStringArrayGetString(keys, i++));
1908                                 if ( !strcmp( (char*)oilsIDLFindPath("/%s/links/%s/class", leftclass, fkey), class) ) {
1909                                         field = strdup( (char*)oilsIDLFindPath("/%s/links/%s/key", leftclass, fkey) );
1910                                         break;
1911                                 } else {
1912                                         free(fkey);
1913                                 }
1914                         }
1915                         osrfStringArrayFree(keys);
1916
1917                         if (!field && !fkey) {
1918                                 _links = oilsIDLFindPath("/%s/links", class);
1919
1920                                 i = 0;
1921                                 keys = osrfHashKeys( _links );
1922                                 while ( (field = osrfStringArrayGetString(keys, i++)) ) {
1923                                         field = strdup(osrfStringArrayGetString(keys, i++));
1924                                         if ( !strcmp( (char*)oilsIDLFindPath("/%s/links/%s/class", class, field), class) ) {
1925                                                 fkey = strdup( (char*)oilsIDLFindPath("/%s/links/%s/key", class, field) );
1926                                                 break;
1927                                         } else {
1928                                                 free(field);
1929                                         }
1930                                 }
1931                                 osrfStringArrayFree(keys);
1932                         }
1933
1934                         if (!field && !fkey) {
1935                                 osrfLogError(
1936                                         OSRF_LOG_MARK,
1937                                         "%s: JOIN failed.  No link defined between %s and %s",
1938                                         MODULENAME,
1939                                         leftclass,
1940                                         class
1941                                 );
1942                                 buffer_free(join_buf);
1943                                 jsonIteratorFree(search_itr);
1944                                 return NULL;
1945                         }
1946
1947                 }
1948
1949                 char* type = jsonObjectToSimpleString( jsonObjectGetKeyConst( snode, "type" ) );
1950                 if (type) {
1951                         if ( !strcasecmp(type,"left") ) {
1952                                 buffer_add(join_buf, " LEFT JOIN");
1953                         } else if ( !strcasecmp(type,"right") ) {
1954                                 buffer_add(join_buf, " RIGHT JOIN");
1955                         } else if ( !strcasecmp(type,"full") ) {
1956                                 buffer_add(join_buf, " FULL JOIN");
1957                         } else {
1958                                 buffer_add(join_buf, " INNER JOIN");
1959                         }
1960                 } else {
1961                         buffer_add(join_buf, " INNER JOIN");
1962                 }
1963                 free(type);
1964
1965                 char* table = getSourceDefinition(idlClass);
1966                 buffer_fadd(join_buf, " %s AS \"%s\" ON ( \"%s\".%s = \"%s\".%s", table, class, class, field, leftclass, fkey);
1967                 free(table);
1968
1969                 const jsonObject* filter = jsonObjectGetKeyConst( snode, "filter" );
1970                 if (filter) {
1971                         char* filter_op = jsonObjectToSimpleString( jsonObjectGetKeyConst( snode, "filter_op" ) );
1972                         if (filter_op) {
1973                                 if (!strcasecmp("or",filter_op)) {
1974                                         buffer_add( join_buf, " OR " );
1975                                 } else {
1976                                         buffer_add( join_buf, " AND " );
1977                                 }
1978                         } else {
1979                                 buffer_add( join_buf, " AND " );
1980                         }
1981
1982                         char* jpred = searchWHERE( filter, idlClass, AND_OP_JOIN, NULL );
1983                         buffer_fadd( join_buf, " %s", jpred );
1984                         free(jpred);
1985                         free(filter_op);
1986                 }
1987
1988                 buffer_add(join_buf, " ) ");
1989
1990                 const jsonObject* join_filter = jsonObjectGetKeyConst( snode, "join" );
1991                 if (join_filter) {
1992                         char* jpred = searchJOIN( join_filter, idlClass );
1993                         buffer_fadd( join_buf, " %s", jpred );
1994                         free(jpred);
1995                 }
1996
1997                 free(fkey);
1998                 free(field);
1999         }
2000
2001     jsonIteratorFree(search_itr);
2002
2003         return buffer_release(join_buf);
2004 }
2005
2006 /*
2007
2008 { +class : { -or|-and : { field : { op : value }, ... } ... }, ... }
2009 { +class : { -or|-and : [ { field : { op : value }, ... }, ...] ... }, ... }
2010 [ { +class : { -or|-and : [ { field : { op : value }, ... }, ...] ... }, ... }, ... ]
2011
2012 */
2013
2014 static char* searchWHERE ( const jsonObject* search_hash, osrfHash* meta, int opjoin_type, osrfMethodContext* ctx ) {
2015
2016         growing_buffer* sql_buf = buffer_init(128);
2017
2018         jsonObject* node = NULL;
2019
2020     int first = 1;
2021     if ( search_hash->type == JSON_ARRAY ) {
2022         jsonIterator* search_itr = jsonNewIterator( search_hash );
2023         while ( (node = jsonIteratorNext( search_itr )) ) {
2024             if (first) {
2025                 first = 0;
2026             } else {
2027                 if (opjoin_type == OR_OP_JOIN) buffer_add(sql_buf, " OR ");
2028                 else buffer_add(sql_buf, " AND ");
2029             }
2030
2031             char* subpred = searchWHERE( node, meta, opjoin_type, ctx );
2032             buffer_fadd(sql_buf, "( %s )", subpred);
2033             free(subpred);
2034         }
2035         jsonIteratorFree(search_itr);
2036
2037     } else if ( search_hash->type == JSON_HASH ) {
2038         jsonIterator* search_itr = jsonNewIterator( search_hash );
2039         while ( (node = jsonIteratorNext( search_itr )) ) {
2040
2041             if (first) {
2042                 first = 0;
2043             } else {
2044                 if (opjoin_type == OR_OP_JOIN) buffer_add(sql_buf, " OR ");
2045                 else buffer_add(sql_buf, " AND ");
2046             }
2047
2048             if ( !strncmp("+",search_itr->key,1) ) {
2049                 if ( node->type == JSON_STRING ) {
2050                     char* subpred = jsonObjectToSimpleString( node );
2051                     buffer_fadd(sql_buf, " \"%s\".%s ", search_itr->key + 1, subpred);
2052                     free(subpred);
2053                 } else {
2054                     char* subpred = searchWHERE( node, osrfHashGet( oilsIDL(), search_itr->key + 1 ), AND_OP_JOIN, ctx );
2055                     buffer_fadd(sql_buf, "( %s )", subpred);
2056                     free(subpred);
2057                 }
2058             } else if ( !strcasecmp("-or",search_itr->key) ) {
2059                 char* subpred = searchWHERE( node, meta, OR_OP_JOIN, ctx );
2060                 buffer_fadd(sql_buf, "( %s )", subpred);
2061                 free(subpred);
2062             } else if ( !strcasecmp("-and",search_itr->key) ) {
2063                 char* subpred = searchWHERE( node, meta, AND_OP_JOIN, ctx );
2064                 buffer_fadd(sql_buf, "( %s )", subpred);
2065                 free(subpred);
2066             } else if ( !strcasecmp("-exists",search_itr->key) ) {
2067                 char* subpred = SELECT(
2068                     ctx,
2069                     jsonObjectGetKey( node, "select" ),
2070                     jsonObjectGetKey( node, "from" ),
2071                     jsonObjectGetKey( node, "where" ),
2072                     jsonObjectGetKey( node, "having" ),
2073                     jsonObjectGetKey( node, "order_by" ),
2074                     jsonObjectGetKey( node, "limit" ),
2075                     jsonObjectGetKey( node, "offset" ),
2076                     SUBSELECT
2077                 );
2078
2079                 buffer_fadd(sql_buf, "EXISTS ( %s )", subpred);
2080                 free(subpred);
2081             } else if ( !strcasecmp("-not-exists",search_itr->key) ) {
2082                 char* subpred = SELECT(
2083                     ctx,
2084                     jsonObjectGetKey( node, "select" ),
2085                     jsonObjectGetKey( node, "from" ),
2086                     jsonObjectGetKey( node, "where" ),
2087                     jsonObjectGetKey( node, "having" ),
2088                     jsonObjectGetKey( node, "order_by" ),
2089                     jsonObjectGetKey( node, "limit" ),
2090                     jsonObjectGetKey( node, "offset" ),
2091                     SUBSELECT
2092                 );
2093
2094                 buffer_fadd(sql_buf, "NOT EXISTS ( %s )", subpred);
2095                 free(subpred);
2096             } else {
2097
2098                 char* class = osrfHashGet(meta, "classname");
2099                 osrfHash* fields = osrfHashGet(meta, "fields");
2100                 osrfHash* field = osrfHashGet( fields, search_itr->key );
2101
2102
2103                 if (!field) {
2104                     char* table = getSourceDefinition(meta);
2105                     osrfLogError(
2106                         OSRF_LOG_MARK,
2107                         "%s: Attempt to reference non-existant column %s on %s (%s)",
2108                         MODULENAME,
2109                         search_itr->key,
2110                         table,
2111                         class
2112                     );
2113                     buffer_free(sql_buf);
2114                     free(table);
2115                                         jsonIteratorFree(search_itr);
2116                                         return NULL;
2117                 }
2118
2119                 char* subpred = searchPredicate( class, field, node );
2120                 buffer_add( sql_buf, subpred );
2121                 free(subpred);
2122             }
2123         }
2124             jsonIteratorFree(search_itr);
2125
2126     } else {
2127         // ERROR ... only hash and array allowed at this level
2128         char* predicate_string = jsonObjectToJSON( search_hash );
2129         osrfLogError(
2130             OSRF_LOG_MARK,
2131             "%s: Invalid predicate structure: %s",
2132             MODULENAME,
2133             predicate_string
2134         );
2135         buffer_free(sql_buf);
2136         free(predicate_string);
2137         return NULL;
2138     }
2139
2140
2141         return buffer_release(sql_buf);
2142 }
2143
2144 static char* SELECT (
2145                 /* method context */ osrfMethodContext* ctx,
2146
2147                 /* SELECT   */ jsonObject* selhash,
2148                 /* FROM     */ jsonObject* join_hash,
2149                 /* WHERE    */ jsonObject* search_hash,
2150                 /* HAVING   */ jsonObject* having_hash,
2151                 /* ORDER BY */ jsonObject* order_hash,
2152                 /* LIMIT    */ jsonObject* limit,
2153                 /* OFFSET   */ jsonObject* offset,
2154                 /* flags    */ int flags
2155 ) {
2156         const char* locale = osrf_message_get_last_locale();
2157
2158         // in case we don't get a select list
2159         jsonObject* defaultselhash = NULL;
2160
2161         // general tmp objects
2162         const jsonObject* tmp_const;
2163         jsonObject* _tmp = NULL;
2164         jsonObject* selclass = NULL;
2165         jsonObject* selfield = NULL;
2166         jsonObject* snode = NULL;
2167         jsonObject* onode = NULL;
2168         jsonObject* found = NULL;
2169
2170         char* string = NULL;
2171         int from_function = 0;
2172         int first = 1;
2173         int gfirst = 1;
2174         //int hfirst = 1;
2175
2176         // the core search class
2177         char* core_class = NULL;
2178
2179         // metadata about the core search class
2180         osrfHash* core_meta = NULL;
2181         osrfHash* core_fields = NULL;
2182         osrfHash* idlClass = NULL;
2183
2184         // punt if there's no core class
2185         if (!join_hash || ( join_hash->type == JSON_HASH && !join_hash->size ))
2186                 return NULL;
2187
2188         // get the core class -- the only key of the top level FROM clause, or a string
2189         if (join_hash->type == JSON_HASH) {
2190                 jsonIterator* tmp_itr = jsonNewIterator( join_hash );
2191                 snode = jsonIteratorNext( tmp_itr );
2192
2193                 core_class = strdup( tmp_itr->key );
2194                 join_hash = snode;
2195
2196                 jsonIteratorFree( tmp_itr );
2197                 snode = NULL;
2198
2199         } else if (join_hash->type == JSON_ARRAY) {
2200         from_function = 1;
2201         selhash = NULL;
2202
2203         } else if (join_hash->type == JSON_STRING) {
2204                 core_class = jsonObjectToSimpleString( join_hash );
2205                 join_hash = NULL;
2206         }
2207
2208         // punt if we don't know about the core class (and it's not a function)
2209         if (!from_function && !(core_meta = osrfHashGet( oilsIDL(), core_class ))) {
2210                 free(core_class);
2211                 return NULL;
2212         }
2213
2214         // if the select list is empty, or the core class field list is '*',
2215         // build the default select list ...
2216         if (!selhash) {
2217                 selhash = defaultselhash = jsonNewObjectType(JSON_HASH);
2218                 jsonObjectSetKey( selhash, core_class, jsonNewObjectType(JSON_ARRAY) );
2219         } else if ( (tmp_const = jsonObjectGetKeyConst( selhash, core_class )) && tmp_const->type == JSON_STRING ) {
2220                 char* _x = jsonObjectToSimpleString( tmp_const );
2221                 if (!strncmp( "*", _x, 1 )) {
2222                         jsonObjectRemoveKey( selhash, core_class );
2223                         jsonObjectSetKey( selhash, core_class, jsonNewObjectType(JSON_ARRAY) );
2224                 }
2225                 free(_x);
2226         }
2227
2228         // the query buffer
2229         growing_buffer* sql_buf = buffer_init(128);
2230
2231         // temp buffer for the SELECT list
2232         growing_buffer* select_buf = buffer_init(128);
2233         growing_buffer* order_buf = buffer_init(128);
2234         growing_buffer* group_buf = buffer_init(128);
2235         growing_buffer* having_buf = buffer_init(128);
2236
2237         if (!from_function)
2238         core_fields = osrfHashGet(core_meta, "fields");
2239
2240         // ... and if we /are/ building the default list, do that
2241         if ( (_tmp = jsonObjectGetKey(selhash,core_class)) && !_tmp->size ) {
2242
2243                 int i = 0;
2244                 char* field;
2245
2246         if (!from_function) {
2247                 osrfStringArray* keys = osrfHashKeys( core_fields );
2248                 while ( (field = osrfStringArrayGetString(keys, i++)) ) {
2249                         if ( strncasecmp( "true", osrfHashGet( osrfHashGet( core_fields, field ), "virtual" ), 4 ) )
2250                                 jsonObjectPush( _tmp, jsonNewObject( field ) );
2251                 }
2252                 osrfStringArrayFree(keys);
2253         }
2254         }
2255
2256         // Now we build the actual select list
2257         if (!from_function) {
2258             int sel_pos = 1;
2259             jsonObject* is_agg = jsonObjectFindPath(selhash, "//aggregate");
2260             first = 1;
2261             gfirst = 1;
2262             jsonIterator* selclass_itr = jsonNewIterator( selhash );
2263             while ( (selclass = jsonIteratorNext( selclass_itr )) ) {
2264
2265                     // round trip through the idl, just to be safe
2266                     idlClass = osrfHashGet( oilsIDL(), selclass_itr->key );
2267                     if (!idlClass) continue;
2268                     char* cname = osrfHashGet(idlClass, "classname");
2269
2270                     // make sure the target relation is in the join tree
2271                     if (strcmp(core_class,cname)) {
2272                             if (!join_hash) continue;
2273
2274                             if (join_hash->type == JSON_STRING) {
2275                                     string = jsonObjectToSimpleString(join_hash);
2276                                     found = strcmp(string,cname) ? NULL : jsonParseString("{\"1\":\"1\"}");
2277                                     free(string);
2278                             } else {
2279                                     found = jsonObjectFindPath(join_hash, "//%s", cname);
2280                             }
2281
2282                             if (!found->size) {
2283                                     jsonObjectFree(found);
2284                                     continue;
2285                             }
2286
2287                             jsonObjectFree(found);
2288                     }
2289
2290                     // stitch together the column list ...
2291                     jsonIterator* select_itr = jsonNewIterator( selclass );
2292                     while ( (selfield = jsonIteratorNext( select_itr )) ) {
2293
2294                             char* __column = NULL;
2295                             char* __alias = NULL;
2296
2297                             // ... if it's a sstring, just toss it on the pile
2298                             if (selfield->type == JSON_STRING) {
2299
2300                                     // again, just to be safe
2301                                     char* _requested_col = jsonObjectToSimpleString(selfield);
2302                                     osrfHash* field = osrfHashGet( osrfHashGet( idlClass, "fields" ), _requested_col );
2303                                     free(_requested_col);
2304
2305                                     if (!field) continue;
2306                                     __column = strdup(osrfHashGet(field, "name"));
2307
2308                                     if (first) {
2309                                             first = 0;
2310                                     } else {
2311                                             buffer_add(select_buf, ",");
2312                                     }
2313
2314                     if (locale) {
2315                             char* i18n = osrfHashGet(field, "i18n");
2316                                     if (flags & DISABLE_I18N)
2317                             i18n = NULL;
2318
2319                             if ( i18n && !strncasecmp("true", i18n, 4)) {
2320                                 char* pkey = osrfHashGet(idlClass, "primarykey");
2321                                 char* tname = osrfHashGet(idlClass, "tablename");
2322
2323                             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);
2324                         } else {
2325                                             buffer_fadd(select_buf, " \"%s\".%s AS \"%s\"", cname, __column, __column);
2326                         }
2327                     } else {
2328                                         buffer_fadd(select_buf, " \"%s\".%s AS \"%s\"", cname, __column, __column);
2329                     }
2330
2331                             // ... but it could be an object, in which case we check for a Field Transform
2332                             } else {
2333
2334                                     __column = jsonObjectToSimpleString( jsonObjectGetKeyConst( selfield, "column" ) );
2335
2336                                     // again, just to be safe
2337                                     osrfHash* field = osrfHashGet( osrfHashGet( idlClass, "fields" ), __column );
2338                                     if (!field) continue;
2339                                     const char* fname = osrfHashGet(field, "name");
2340
2341                                     if (first) {
2342                                             first = 0;
2343                                     } else {
2344                                             buffer_add(select_buf, ",");
2345                                     }
2346
2347                                     if ((tmp_const = jsonObjectGetKeyConst( selfield, "alias" ))) {
2348                                             __alias = jsonObjectToSimpleString( tmp_const );
2349                                     } else {
2350                                             __alias = strdup(__column);
2351                                     }
2352
2353                                     if (jsonObjectGetKeyConst( selfield, "transform" )) {
2354                                             free(__column);
2355                                             __column = searchFieldTransform(cname, field, selfield);
2356                                             buffer_fadd(select_buf, " %s AS \"%s\"", __column, __alias);
2357                                     } else {
2358                         if (locale) {
2359                                     char* i18n = osrfHashGet(field, "i18n");
2360                                         if (flags & DISABLE_I18N)
2361                                 i18n = NULL;
2362
2363                                     if ( i18n && !strncasecmp("true", i18n, 4)) {
2364                                     char* pkey = osrfHashGet(idlClass, "primarykey");
2365                                     char* tname = osrfHashGet(idlClass, "tablename");
2366
2367                                 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);
2368                             } else {
2369                                                     buffer_fadd(select_buf, " \"%s\".%s AS \"%s\"", cname, fname, __alias);
2370                             }
2371                         } else {
2372                                                 buffer_fadd(select_buf, " \"%s\".%s AS \"%s\"", cname, fname, __alias);
2373                         }
2374                                     }
2375                             }
2376
2377                             if (is_agg->size || (flags & SELECT_DISTINCT)) {
2378
2379                                     if ( !(
2380                             jsonBoolIsTrue( jsonObjectGetKey( selfield, "aggregate" ) ) ||
2381                                 ((int)jsonObjectGetNumber(jsonObjectGetKey( selfield, "aggregate" ))) == 1 // support 1/0 for perl's sake
2382                          )
2383                     ) {
2384                                             if (gfirst) {
2385                                                     gfirst = 0;
2386                                             } else {
2387                                                     buffer_add(group_buf, ",");
2388                                             }
2389
2390                                             buffer_fadd(group_buf, " %d", sel_pos);
2391                                     /*
2392                                     } else if (is_agg = jsonObjectGetKey( selfield, "having" )) {
2393                                             if (gfirst) {
2394                                                     gfirst = 0;
2395                                             } else {
2396                                                     buffer_add(group_buf, ",");
2397                                             }
2398
2399                                             __column = searchFieldTransform(cname, field, selfield);
2400                                             buffer_fadd(group_buf, " %s", __column);
2401                                             __column = searchFieldTransform(cname, field, selfield);
2402                                     */
2403                                     }
2404                             }
2405
2406                             if (__column) free(__column);
2407                             if (__alias) free(__alias);
2408
2409                             sel_pos++;
2410                     }
2411
2412             // jsonIteratorFree(select_itr);
2413             }
2414
2415         // jsonIteratorFree(selclass_itr);
2416
2417             if (is_agg) jsonObjectFree(is_agg);
2418     } else {
2419         buffer_add(select_buf, "*");
2420     }
2421
2422
2423         char* col_list = buffer_release(select_buf);
2424         char* table = NULL;
2425     if (!from_function) table = getSourceDefinition(core_meta);
2426     else table = searchValueTransform(join_hash);
2427
2428         // Put it all together
2429         buffer_fadd(sql_buf, "SELECT %s FROM %s AS \"%s\" ", col_list, table, core_class );
2430         free(col_list);
2431         free(table);
2432
2433     if (!from_function) {
2434             // Now, walk the join tree and add that clause
2435             if ( join_hash ) {
2436                     char* join_clause = searchJOIN( join_hash, core_meta );
2437                     buffer_add(sql_buf, join_clause);
2438                     free(join_clause);
2439             }
2440
2441             if ( search_hash ) {
2442                     buffer_add(sql_buf, " WHERE ");
2443
2444                     // and it's on the the WHERE clause
2445                     char* pred = searchWHERE( search_hash, core_meta, AND_OP_JOIN, ctx );
2446
2447                     if (!pred) {
2448                             if (ctx) {
2449                                 osrfAppSessionStatus(
2450                                         ctx->session,
2451                                         OSRF_STATUS_INTERNALSERVERERROR,
2452                                         "osrfMethodException",
2453                                         ctx->request,
2454                                         "Severe query error in WHERE predicate -- see error log for more details"
2455                                 );
2456                             }
2457                             free(core_class);
2458                             buffer_free(having_buf);
2459                             buffer_free(group_buf);
2460                             buffer_free(order_buf);
2461                             buffer_free(sql_buf);
2462                             if (defaultselhash) jsonObjectFree(defaultselhash);
2463                             return NULL;
2464                     } else {
2465                             buffer_add(sql_buf, pred);
2466                             free(pred);
2467                     }
2468         }
2469
2470             if ( having_hash ) {
2471                     buffer_add(sql_buf, " HAVING ");
2472
2473                     // and it's on the the WHERE clause
2474                     char* pred = searchWHERE( having_hash, core_meta, AND_OP_JOIN, ctx );
2475
2476                     if (!pred) {
2477                             if (ctx) {
2478                                 osrfAppSessionStatus(
2479                                         ctx->session,
2480                                         OSRF_STATUS_INTERNALSERVERERROR,
2481                                         "osrfMethodException",
2482                                         ctx->request,
2483                                         "Severe query error in HAVING predicate -- see error log for more details"
2484                                 );
2485                             }
2486                             free(core_class);
2487                             buffer_free(having_buf);
2488                             buffer_free(group_buf);
2489                             buffer_free(order_buf);
2490                             buffer_free(sql_buf);
2491                             if (defaultselhash) jsonObjectFree(defaultselhash);
2492                             return NULL;
2493                     } else {
2494                             buffer_add(sql_buf, pred);
2495                             free(pred);
2496                     }
2497             }
2498
2499             first = 1;
2500             jsonIterator* class_itr = jsonNewIterator( order_hash );
2501             while ( (snode = jsonIteratorNext( class_itr )) ) {
2502
2503                     if (!jsonObjectGetKeyConst(selhash,class_itr->key))
2504                             continue;
2505
2506                     if ( snode->type == JSON_HASH ) {
2507
2508                         jsonIterator* order_itr = jsonNewIterator( snode );
2509                             while ( (onode = jsonIteratorNext( order_itr )) ) {
2510
2511                                     if (!oilsIDLFindPath( "/%s/fields/%s", class_itr->key, order_itr->key ))
2512                                             continue;
2513
2514                                     char* direction = NULL;
2515                                     if ( onode->type == JSON_HASH ) {
2516                                             if ( jsonObjectGetKeyConst( onode, "transform" ) ) {
2517                                                     string = searchFieldTransform(
2518                                                             class_itr->key,
2519                                                             oilsIDLFindPath( "/%s/fields/%s", class_itr->key, order_itr->key ),
2520                                                             onode
2521                                                     );
2522                                             } else {
2523                                                     growing_buffer* field_buf = buffer_init(16);
2524                                                     buffer_fadd(field_buf, "\"%s\".%s", class_itr->key, order_itr->key);
2525                                                     string = buffer_release(field_buf);
2526                                             }
2527
2528                                             if ( (tmp_const = jsonObjectGetKeyConst( onode, "direction" )) ) {
2529                                                     direction = jsonObjectToSimpleString(tmp_const);
2530                                                     if (!strncasecmp(direction, "d", 1)) {
2531                                                             free(direction);
2532                                                             direction = " DESC";
2533                                                     } else {
2534                                                             free(direction);
2535                                                             direction = " ASC";
2536                                                     }
2537                                             }
2538
2539                                     } else {
2540                                             string = strdup(order_itr->key);
2541                                             direction = jsonObjectToSimpleString(onode);
2542                                             if (!strncasecmp(direction, "d", 1)) {
2543                                                     free(direction);
2544                                                     direction = " DESC";
2545                                             } else {
2546                                                     free(direction);
2547                                                     direction = " ASC";
2548                                             }
2549                                     }
2550
2551                                     if (first) {
2552                                             first = 0;
2553                                     } else {
2554                                             buffer_add(order_buf, ", ");
2555                                     }
2556
2557                                     buffer_add(order_buf, string);
2558                                     free(string);
2559
2560                                     if (direction) {
2561                                             buffer_add(order_buf, direction);
2562                                     }
2563
2564                             }
2565                 // jsonIteratorFree(order_itr);
2566
2567                     } else if ( snode->type == JSON_ARRAY ) {
2568
2569                         jsonIterator* order_itr = jsonNewIterator( snode );
2570                             while ( (onode = jsonIteratorNext( order_itr )) ) {
2571
2572                                     char* _f = jsonObjectToSimpleString( onode );
2573
2574                                     if (!oilsIDLFindPath( "/%s/fields/%s", class_itr->key, _f))
2575                                             continue;
2576
2577                                     if (first) {
2578                                             first = 0;
2579                                     } else {
2580                                             buffer_add(order_buf, ", ");
2581                                     }
2582
2583                                     buffer_add(order_buf, _f);
2584                                     free(_f);
2585
2586                             }
2587                 // jsonIteratorFree(order_itr);
2588
2589
2590                     // IT'S THE OOOOOOOOOOOLD STYLE!
2591                     } else {
2592                             osrfLogError(OSRF_LOG_MARK, "%s: Possible SQL injection attempt; direct order by is not allowed", MODULENAME);
2593                             if (ctx) {
2594                                 osrfAppSessionStatus(
2595                                         ctx->session,
2596                                         OSRF_STATUS_INTERNALSERVERERROR,
2597                                         "osrfMethodException",
2598                                         ctx->request,
2599                                         "Severe query error -- see error log for more details"
2600                                 );
2601                             }
2602
2603                             free(core_class);
2604                             buffer_free(having_buf);
2605                             buffer_free(group_buf);
2606                             buffer_free(order_buf);
2607                             buffer_free(sql_buf);
2608                             if (defaultselhash) jsonObjectFree(defaultselhash);
2609                             jsonIteratorFree(class_itr);
2610                             return NULL;
2611                     }
2612
2613             }
2614     }
2615
2616     // jsonIteratorFree(class_itr);
2617
2618         string = buffer_release(group_buf);
2619
2620         if (strlen(string)) {
2621                 buffer_fadd(
2622                         sql_buf,
2623                         " GROUP BY %s",
2624                         string
2625                 );
2626         }
2627
2628         free(string);
2629
2630         string = buffer_release(having_buf);
2631
2632         if (strlen(string)) {
2633                 buffer_fadd(
2634                         sql_buf,
2635                         " HAVING %s",
2636                         string
2637                 );
2638         }
2639
2640         free(string);
2641
2642         string = buffer_release(order_buf);
2643
2644         if (strlen(string)) {
2645                 buffer_fadd(
2646                         sql_buf,
2647                         " ORDER BY %s",
2648                         string
2649                 );
2650         }
2651
2652         free(string);
2653
2654         if ( limit ){
2655                 string = jsonObjectToSimpleString(limit);
2656                 buffer_fadd( sql_buf, " LIMIT %d", atoi(string) );
2657                 free(string);
2658         }
2659
2660         if (offset) {
2661                 string = jsonObjectToSimpleString(offset);
2662                 buffer_fadd( sql_buf, " OFFSET %d", atoi(string) );
2663                 free(string);
2664         }
2665
2666         if (!(flags & SUBSELECT)) buffer_add(sql_buf, ";");
2667
2668         free(core_class);
2669         if (defaultselhash) jsonObjectFree(defaultselhash);
2670
2671         return buffer_release(sql_buf);
2672
2673 }
2674
2675 static char* buildSELECT ( jsonObject* search_hash, jsonObject* order_hash, osrfHash* meta, osrfMethodContext* ctx ) {
2676
2677         const char* locale = osrf_message_get_last_locale();
2678
2679         osrfHash* fields = osrfHashGet(meta, "fields");
2680         char* core_class = osrfHashGet(meta, "classname");
2681
2682         const jsonObject* join_hash = jsonObjectGetKeyConst( order_hash, "join" );
2683
2684         jsonObject* node = NULL;
2685         jsonObject* snode = NULL;
2686         jsonObject* onode = NULL;
2687         const jsonObject* _tmp = NULL;
2688         jsonObject* selhash = NULL;
2689         jsonObject* defaultselhash = NULL;
2690
2691         growing_buffer* sql_buf = buffer_init(128);
2692         growing_buffer* select_buf = buffer_init(128);
2693
2694         if ( !(selhash = jsonObjectGetKey( order_hash, "select" )) ) {
2695                 defaultselhash = jsonNewObjectType(JSON_HASH);
2696                 selhash = defaultselhash;
2697         }
2698
2699         if ( !jsonObjectGetKeyConst(selhash,core_class) ) {
2700                 jsonObjectSetKey( selhash, core_class, jsonNewObjectType(JSON_ARRAY) );
2701                 jsonObject* flist = jsonObjectGetKey( selhash, core_class );
2702
2703                 int i = 0;
2704                 char* field;
2705
2706                 osrfStringArray* keys = osrfHashKeys( fields );
2707                 while ( (field = osrfStringArrayGetString(keys, i++)) ) {
2708                         if ( strcasecmp( "true", osrfHashGet( osrfHashGet( fields, field ), "virtual" ) ) )
2709                                 jsonObjectPush( flist, jsonNewObject( field ) );
2710                 }
2711                 osrfStringArrayFree(keys);
2712         }
2713
2714         int first = 1;
2715         jsonIterator* class_itr = jsonNewIterator( selhash );
2716         while ( (snode = jsonIteratorNext( class_itr )) ) {
2717
2718                 osrfHash* idlClass = osrfHashGet( oilsIDL(), class_itr->key );
2719                 if (!idlClass) continue;
2720                 char* cname = osrfHashGet(idlClass, "classname");
2721
2722                 if (strcmp(core_class,class_itr->key)) {
2723                         if (!join_hash) continue;
2724
2725                         jsonObject* found =  jsonObjectFindPath(join_hash, "//%s", class_itr->key);
2726                         if (!found->size) {
2727                                 jsonObjectFree(found);
2728                                 continue;
2729                         }
2730
2731                         jsonObjectFree(found);
2732                 }
2733
2734                 jsonIterator* select_itr = jsonNewIterator( snode );
2735                 while ( (node = jsonIteratorNext( select_itr )) ) {
2736                         char* item_str = jsonObjectToSimpleString(node);
2737                         osrfHash* field = osrfHashGet( osrfHashGet( idlClass, "fields" ), item_str );
2738                         free(item_str);
2739                         char* fname = osrfHashGet(field, "name");
2740
2741                         if (!field) continue;
2742
2743                         if (first) {
2744                                 first = 0;
2745                         } else {
2746                                 buffer_add(select_buf, ",");
2747                         }
2748
2749             if (locale) {
2750                         char* i18n = osrfHashGet(field, "i18n");
2751                             if ( !(
2752                         jsonBoolIsTrue( jsonObjectGetKey( order_hash, "no_i18n" ) ) ||
2753                         ((int)jsonObjectGetNumber(jsonObjectGetKey( order_hash, "no_i18n" ))) == 1 // support 1/0 for perl's sake
2754                      )
2755                 ) i18n = NULL;
2756
2757                         if ( i18n && !strncasecmp("true", i18n, 4)) {
2758                         char* pkey = osrfHashGet(idlClass, "primarykey");
2759                         char* tname = osrfHashGet(idlClass, "tablename");
2760
2761                     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);
2762                 } else {
2763                                 buffer_fadd(select_buf, " \"%s\".%s", cname, fname);
2764                 }
2765             } else {
2766                             buffer_fadd(select_buf, " \"%s\".%s", cname, fname);
2767             }
2768                 }
2769
2770         jsonIteratorFree(select_itr);
2771         }
2772
2773     jsonIteratorFree(class_itr);
2774
2775         char* col_list = buffer_release(select_buf);
2776         char* table = getSourceDefinition(meta);
2777
2778         buffer_fadd(sql_buf, "SELECT %s FROM %s AS \"%s\"", col_list, table, core_class );
2779         free(col_list);
2780         free(table);
2781
2782         if ( join_hash ) {
2783                 char* join_clause = searchJOIN( join_hash, meta );
2784                 buffer_fadd(sql_buf, " %s", join_clause);
2785                 free(join_clause);
2786         }
2787
2788         char* tmpsql = buffer_data(sql_buf);
2789         osrfLogDebug(OSRF_LOG_MARK, "%s pre-predicate SQL =  %s", MODULENAME, tmpsql);
2790         free(tmpsql);
2791
2792         buffer_add(sql_buf, " WHERE ");
2793
2794         char* pred = searchWHERE( search_hash, meta, AND_OP_JOIN, ctx );
2795         if (!pred) {
2796                 osrfAppSessionStatus(
2797                         ctx->session,
2798                         OSRF_STATUS_INTERNALSERVERERROR,
2799                                 "osrfMethodException",
2800                                 ctx->request,
2801                                 "Severe query error -- see error log for more details"
2802                         );
2803                 buffer_free(sql_buf);
2804                 if(defaultselhash) jsonObjectFree(defaultselhash);
2805                 return NULL;
2806         } else {
2807                 buffer_add(sql_buf, pred);
2808                 free(pred);
2809         }
2810
2811         if (order_hash) {
2812                 char* string = NULL;
2813                 if ( (_tmp = jsonObjectGetKeyConst( order_hash, "order_by" )) ){
2814
2815                         growing_buffer* order_buf = buffer_init(128);
2816
2817                         first = 1;
2818                         jsonIterator* class_itr = jsonNewIterator( _tmp );
2819                         while ( (snode = jsonIteratorNext( class_itr )) ) {
2820
2821                                 if (!jsonObjectGetKeyConst(selhash,class_itr->key))
2822                                         continue;
2823
2824                                 if ( snode->type == JSON_HASH ) {
2825
2826                                         jsonIterator* order_itr = jsonNewIterator( snode );
2827                                         while ( (onode = jsonIteratorNext( order_itr )) ) {
2828
2829                                                 if (!oilsIDLFindPath( "/%s/fields/%s", class_itr->key, order_itr->key ))
2830                                                         continue;
2831
2832                                                 char* direction = NULL;
2833                                                 if ( onode->type == JSON_HASH ) {
2834                                                         if ( jsonObjectGetKeyConst( onode, "transform" ) ) {
2835                                                                 string = searchFieldTransform(
2836                                                                         class_itr->key,
2837                                                                         oilsIDLFindPath( "/%s/fields/%s", class_itr->key, order_itr->key ),
2838                                                                         onode
2839                                                                 );
2840                                                         } else {
2841                                                                 growing_buffer* field_buf = buffer_init(16);
2842                                                                 buffer_fadd(field_buf, "\"%s\".%s", class_itr->key, order_itr->key);
2843                                                                 string = buffer_release(field_buf);
2844                                                         }
2845
2846                                                         if ( (_tmp = jsonObjectGetKeyConst( onode, "direction" )) ) {
2847                                                                 direction = jsonObjectToSimpleString(_tmp);
2848                                                                 if (!strncasecmp(direction, "d", 1)) {
2849                                                                         free(direction);
2850                                                                         direction = " DESC";
2851                                                                 } else {
2852                                                                         free(direction);
2853                                                                         direction = " ASC";
2854                                                                 }
2855                                                         }
2856
2857                                                 } else {
2858                                                         string = strdup(order_itr->key);
2859                                                         direction = jsonObjectToSimpleString(onode);
2860                                                         if (!strncasecmp(direction, "d", 1)) {
2861                                                                 free(direction);
2862                                                                 direction = " DESC";
2863                                                         } else {
2864                                                                 free(direction);
2865                                                                 direction = " ASC";
2866                                                         }
2867                                                 }
2868
2869                                                 if (first) {
2870                                                         first = 0;
2871                                                 } else {
2872                                                         buffer_add(order_buf, ", ");
2873                                                 }
2874
2875                                                 buffer_add(order_buf, string);
2876                                                 free(string);
2877
2878                                                 if (direction) {
2879                                                         buffer_add(order_buf, direction);
2880                                                 }
2881
2882                                         }
2883
2884                     jsonIteratorFree(order_itr);
2885
2886                                 } else {
2887                                         string = jsonObjectToSimpleString(snode);
2888                                         buffer_add(order_buf, string);
2889                                         free(string);
2890                                         break;
2891                                 }
2892
2893                         }
2894
2895             jsonIteratorFree(class_itr);
2896
2897                         string = buffer_release(order_buf);
2898
2899                         if (strlen(string)) {
2900                                 buffer_fadd(
2901                                         sql_buf,
2902                                         " ORDER BY %s",
2903                                         string
2904                                 );
2905                         }
2906
2907                         free(string);
2908                 }
2909
2910                 if ( (_tmp = jsonObjectGetKeyConst( order_hash, "limit" )) ){
2911                         string = jsonObjectToSimpleString(_tmp);
2912                         buffer_fadd(
2913                                 sql_buf,
2914                                 " LIMIT %d",
2915                                 atoi(string)
2916                         );
2917                         free(string);
2918                 }
2919
2920                 _tmp = jsonObjectGetKeyConst( order_hash, "offset" );
2921                 if (_tmp) {
2922                         string = jsonObjectToSimpleString(_tmp);
2923                         buffer_fadd(
2924                                 sql_buf,
2925                                 " OFFSET %d",
2926                                 atoi(string)
2927                         );
2928                         free(string);
2929                 }
2930         }
2931
2932         if (defaultselhash) jsonObjectFree(defaultselhash);
2933
2934         buffer_add(sql_buf, ";");
2935         return buffer_release(sql_buf);
2936 }
2937
2938 int doJSONSearch ( osrfMethodContext* ctx ) {
2939         OSRF_METHOD_VERIFY_CONTEXT(ctx);
2940         osrfLogDebug(OSRF_LOG_MARK, "Recieved query request");
2941
2942         int err = 0;
2943
2944         // XXX for now...
2945         dbhandle = writehandle;
2946
2947         jsonObject* hash = jsonObjectGetIndex(ctx->params, 0);
2948
2949     int flags = 0;
2950
2951         if (jsonBoolIsTrue(jsonObjectGetKey( hash, "distinct" )))
2952          flags |= SELECT_DISTINCT;
2953
2954         if ( ((int)jsonObjectGetNumber(jsonObjectGetKey( hash, "distinct" ))) == 1 ) // support 1/0 for perl's sake
2955          flags |= SELECT_DISTINCT;
2956
2957         if (jsonBoolIsTrue(jsonObjectGetKey( hash, "no_i18n" )))
2958          flags |= DISABLE_I18N;
2959
2960         if ( ((int)jsonObjectGetNumber(jsonObjectGetKey( hash, "no_i18n" ))) == 1 ) // support 1/0 for perl's sake
2961          flags |= DISABLE_I18N;
2962
2963         osrfLogDebug(OSRF_LOG_MARK, "Building SQL ...");
2964         char* sql = SELECT(
2965                         ctx,
2966                         jsonObjectGetKey( hash, "select" ),
2967                         jsonObjectGetKey( hash, "from" ),
2968                         jsonObjectGetKey( hash, "where" ),
2969                         jsonObjectGetKey( hash, "having" ),
2970                         jsonObjectGetKey( hash, "order_by" ),
2971                         jsonObjectGetKey( hash, "limit" ),
2972                         jsonObjectGetKey( hash, "offset" ),
2973                         flags
2974         );
2975
2976         if (!sql) {
2977                 err = -1;
2978                 return err;
2979         }
2980
2981         osrfLogDebug(OSRF_LOG_MARK, "%s SQL =  %s", MODULENAME, sql);
2982         dbi_result result = dbi_conn_query(dbhandle, sql);
2983
2984         if(result) {
2985                 osrfLogDebug(OSRF_LOG_MARK, "Query returned with no errors");
2986
2987                 if (dbi_result_first_row(result)) {
2988                         /* JSONify the result */
2989                         osrfLogDebug(OSRF_LOG_MARK, "Query returned at least one row");
2990
2991                         do {
2992                                 jsonObject* return_val = oilsMakeJSONFromResult( result );
2993                                 osrfAppRespond( ctx, return_val );
2994                 jsonObjectFree( return_val );
2995                         } while (dbi_result_next_row(result));
2996
2997                 } else {
2998                         osrfLogDebug(OSRF_LOG_MARK, "%s returned no results for query %s", MODULENAME, sql);
2999                 }
3000
3001                 osrfAppRespondComplete( ctx, NULL );
3002
3003                 /* clean up the query */
3004                 dbi_result_free(result);
3005
3006         } else {
3007                 err = -1;
3008                 osrfLogError(OSRF_LOG_MARK, "%s: Error with query [%s]", MODULENAME, sql);
3009                 osrfAppSessionStatus(
3010                         ctx->session,
3011                         OSRF_STATUS_INTERNALSERVERERROR,
3012                         "osrfMethodException",
3013                         ctx->request,
3014                         "Severe query error -- see error log for more details"
3015                 );
3016         }
3017
3018         free(sql);
3019         return err;
3020 }
3021
3022 static jsonObject* doFieldmapperSearch ( osrfMethodContext* ctx, osrfHash* meta,
3023                 const jsonObject* params, int* err ) {
3024
3025         // XXX for now...
3026         dbhandle = writehandle;
3027
3028         osrfHash* links = osrfHashGet(meta, "links");
3029         osrfHash* fields = osrfHashGet(meta, "fields");
3030         char* core_class = osrfHashGet(meta, "classname");
3031         char* pkey = osrfHashGet(meta, "primarykey");
3032
3033         const jsonObject* _tmp;
3034         jsonObject* obj;
3035         jsonObject* search_hash = jsonObjectGetIndex(params, 0);
3036         jsonObject* order_hash = jsonObjectGetIndex(params, 1);
3037
3038         char* sql = buildSELECT( search_hash, order_hash, meta, ctx );
3039         if (!sql) {
3040                 *err = -1;
3041                 return NULL;
3042         }
3043
3044         osrfLogDebug(OSRF_LOG_MARK, "%s SQL =  %s", MODULENAME, sql);
3045         dbi_result result = dbi_conn_query(dbhandle, sql);
3046
3047         jsonObject* res_list = jsonNewObjectType(JSON_ARRAY);
3048         if(result) {
3049                 osrfLogDebug(OSRF_LOG_MARK, "Query returned with no errors");
3050                 osrfHash* dedup = osrfNewHash();
3051
3052                 if (dbi_result_first_row(result)) {
3053                         /* JSONify the result */
3054                         osrfLogDebug(OSRF_LOG_MARK, "Query returned at least one row");
3055                         do {
3056                                 obj = oilsMakeFieldmapperFromResult( result, meta );
3057                                 char* pkey_val = oilsFMGetString( obj, pkey );
3058                                 if ( osrfHashGet( dedup, pkey_val ) ) {
3059                                         jsonObjectFree(obj);
3060                                         free(pkey_val);
3061                                 } else {
3062                                         osrfHashSet( dedup, pkey_val, pkey_val );
3063                                         jsonObjectPush(res_list, obj);
3064                                 }
3065                         } while (dbi_result_next_row(result));
3066                 } else {
3067                         osrfLogDebug(OSRF_LOG_MARK, "%s returned no results for query %s", MODULENAME, sql);
3068                 }
3069
3070                 osrfHashFree(dedup);
3071
3072                 /* clean up the query */
3073                 dbi_result_free(result);
3074
3075         } else {
3076                 osrfLogError(OSRF_LOG_MARK, "%s: Error retrieving %s with query [%s]", MODULENAME, osrfHashGet(meta, "fieldmapper"), sql);
3077                 osrfAppSessionStatus(
3078                         ctx->session,
3079                         OSRF_STATUS_INTERNALSERVERERROR,
3080                         "osrfMethodException",
3081                         ctx->request,
3082                         "Severe query error -- see error log for more details"
3083                 );
3084                 *err = -1;
3085                 free(sql);
3086                 jsonObjectFree(res_list);
3087                 return jsonNULL;
3088
3089         }
3090
3091         free(sql);
3092
3093         if (res_list->size && order_hash) {
3094                 _tmp = jsonObjectGetKeyConst( order_hash, "flesh" );
3095                 if (_tmp) {
3096                         int x = (int)jsonObjectGetNumber(_tmp);
3097                         if (x == -1 || x > max_flesh_depth) x = max_flesh_depth;
3098
3099                         const jsonObject* temp_blob;
3100                         if ((temp_blob = jsonObjectGetKeyConst( order_hash, "flesh_fields" )) && x > 0) {
3101
3102                                 jsonObject* flesh_blob = jsonObjectClone( temp_blob );
3103                                 const jsonObject* flesh_fields = jsonObjectGetKeyConst( flesh_blob, core_class );
3104
3105                                 osrfStringArray* link_fields = NULL;
3106
3107                                 if (flesh_fields) {
3108                                         if (flesh_fields->size == 1) {
3109                                                 char* _t = jsonObjectToSimpleString( jsonObjectGetIndex( flesh_fields, 0 ) );
3110                                                 if (!strcmp(_t,"*")) link_fields = osrfHashKeys( links );
3111                                                 free(_t);
3112                                         }
3113
3114                                         if (!link_fields) {
3115                                                 jsonObject* _f;
3116                                                 link_fields = osrfNewStringArray(1);
3117                                                 jsonIterator* _i = jsonNewIterator( flesh_fields );
3118                                                 while ((_f = jsonIteratorNext( _i ))) {
3119                                                         osrfStringArrayAdd( link_fields, jsonObjectToSimpleString( _f ) );
3120                                                 }
3121                         jsonIteratorFree(_i);
3122                                         }
3123                                 }
3124
3125                                 jsonObject* cur;
3126                                 jsonIterator* itr = jsonNewIterator( res_list );
3127                                 while ((cur = jsonIteratorNext( itr ))) {
3128
3129                                         int i = 0;
3130                                         char* link_field;
3131
3132                                         while ( (link_field = osrfStringArrayGetString(link_fields, i++)) ) {
3133
3134                                                 osrfLogDebug(OSRF_LOG_MARK, "Starting to flesh %s", link_field);
3135
3136                                                 osrfHash* kid_link = osrfHashGet(links, link_field);
3137                                                 if (!kid_link) continue;
3138
3139                                                 osrfHash* field = osrfHashGet(fields, link_field);
3140                                                 if (!field) continue;
3141
3142                                                 osrfHash* value_field = field;
3143
3144                                                 osrfHash* kid_idl = osrfHashGet(oilsIDL(), osrfHashGet(kid_link, "class"));
3145                                                 if (!kid_idl) continue;
3146
3147                                                 if (!(strcmp( osrfHashGet(kid_link, "reltype"), "has_many" ))) { // has_many
3148                                                         value_field = osrfHashGet( fields, osrfHashGet(meta, "primarykey") );
3149                                                 }
3150
3151                                                 if (!(strcmp( osrfHashGet(kid_link, "reltype"), "might_have" ))) { // might_have
3152                                                         value_field = osrfHashGet( fields, osrfHashGet(meta, "primarykey") );
3153                                                 }
3154
3155                                                 osrfStringArray* link_map = osrfHashGet( kid_link, "map" );
3156
3157                                                 if (link_map->size > 0) {
3158                                                         jsonObject* _kid_key = jsonNewObjectType(JSON_ARRAY);
3159                                                         jsonObjectPush(
3160                                                                 _kid_key,
3161                                                                 jsonNewObject( osrfStringArrayGetString( link_map, 0 ) )
3162                                                         );
3163
3164                                                         jsonObjectSetKey(
3165                                                                 flesh_blob,
3166                                                                 osrfHashGet(kid_link, "class"),
3167                                                                 _kid_key
3168                                                         );
3169                                                 };
3170
3171                                                 osrfLogDebug(
3172                                                         OSRF_LOG_MARK,
3173                                                         "Link field: %s, remote class: %s, fkey: %s, reltype: %s",
3174                                                         osrfHashGet(kid_link, "field"),
3175                                                         osrfHashGet(kid_link, "class"),
3176                                                         osrfHashGet(kid_link, "key"),
3177                                                         osrfHashGet(kid_link, "reltype")
3178                                                 );
3179
3180                                                 jsonObject* fake_params = jsonNewObjectType(JSON_ARRAY);
3181                                                 jsonObjectPush(fake_params, jsonNewObjectType(JSON_HASH)); // search hash
3182                                                 jsonObjectPush(fake_params, jsonNewObjectType(JSON_HASH)); // order/flesh hash
3183
3184                                                 osrfLogDebug(OSRF_LOG_MARK, "Creating dummy params object...");
3185
3186                                                 char* search_key =
3187                                                 jsonObjectToSimpleString(
3188                                                         jsonObjectGetIndex(
3189                                                                 cur,
3190                                                                 atoi( osrfHashGet(value_field, "array_position") )
3191                                                         )
3192                                                 );
3193
3194                                                 if (!search_key) {
3195                                                         osrfLogDebug(OSRF_LOG_MARK, "Nothing to search for!");
3196                                                         continue;
3197                                                 }
3198
3199                                                 jsonObjectSetKey(
3200                                                         jsonObjectGetIndex(fake_params, 0),
3201                                                         osrfHashGet(kid_link, "key"),
3202                                                         jsonNewObject( search_key )
3203                                                 );
3204
3205                                                 free(search_key);
3206
3207
3208                                                 jsonObjectSetKey(
3209                                                         jsonObjectGetIndex(fake_params, 1),
3210                                                         "flesh",
3211                                                         jsonNewNumberObject( (double)(x - 1 + link_map->size) )
3212                                                 );
3213
3214                                                 if (flesh_blob)
3215                                                         jsonObjectSetKey( jsonObjectGetIndex(fake_params, 1), "flesh_fields", jsonObjectClone(flesh_blob) );
3216
3217                                                 if (jsonObjectGetKeyConst(order_hash, "order_by")) {
3218                                                         jsonObjectSetKey(
3219                                                                 jsonObjectGetIndex(fake_params, 1),
3220                                                                 "order_by",
3221                                                                 jsonObjectClone(jsonObjectGetKeyConst(order_hash, "order_by"))
3222                                                         );
3223                                                 }
3224
3225                                                 if (jsonObjectGetKeyConst(order_hash, "select")) {
3226                                                         jsonObjectSetKey(
3227                                                                 jsonObjectGetIndex(fake_params, 1),
3228                                                                 "select",
3229                                                                 jsonObjectClone(jsonObjectGetKeyConst(order_hash, "select"))
3230                                                         );
3231                                                 }
3232
3233                                                 jsonObject* kids = doFieldmapperSearch(ctx, kid_idl, fake_params, err);
3234
3235                                                 if(*err) {
3236                                                         jsonObjectFree( fake_params );
3237                                                         osrfStringArrayFree(link_fields);
3238                                                         jsonIteratorFree(itr);
3239                                                         jsonObjectFree(res_list);
3240                                                         jsonObjectFree(flesh_blob);
3241                                                         return jsonNULL;
3242                                                 }
3243
3244                                                 osrfLogDebug(OSRF_LOG_MARK, "Search for %s return %d linked objects", osrfHashGet(kid_link, "class"), kids->size);
3245
3246                                                 jsonObject* X = NULL;
3247                                                 if ( link_map->size > 0 && kids->size > 0 ) {
3248                                                         X = kids;
3249                                                         kids = jsonNewObjectType(JSON_ARRAY);
3250
3251                                                         jsonObject* _k_node;
3252                                                         jsonIterator* _k = jsonNewIterator( X );
3253                                                         while ((_k_node = jsonIteratorNext( _k ))) {
3254                                                                 jsonObjectPush(
3255                                                                         kids,
3256                                                                         jsonObjectClone(
3257                                                                                 jsonObjectGetIndex(
3258                                                                                         _k_node,
3259                                                                                         (unsigned long)atoi(
3260                                                                                                 osrfHashGet(
3261                                                                                                         osrfHashGet(
3262                                                                                                                 osrfHashGet(
3263                                                                                                                         osrfHashGet(
3264                                                                                                                                 oilsIDL(),
3265                                                                                                                                 osrfHashGet(kid_link, "class")
3266                                                                                                                         ),
3267                                                                                                                         "fields"
3268                                                                                                                 ),
3269                                                                                                                 osrfStringArrayGetString( link_map, 0 )
3270                                                                                                         ),
3271                                                                                                         "array_position"
3272                                                                                                 )
3273                                                                                         )
3274                                                                                 )
3275                                                                         )
3276                                                                 );
3277                                                         }
3278                                                         jsonIteratorFree(_k);
3279                                                 }
3280
3281                                                 if (!(strcmp( osrfHashGet(kid_link, "reltype"), "has_a" )) || !(strcmp( osrfHashGet(kid_link, "reltype"), "might_have" ))) {
3282                                                         osrfLogDebug(OSRF_LOG_MARK, "Storing fleshed objects in %s", osrfHashGet(kid_link, "field"));
3283                                                         jsonObjectSetIndex(
3284                                                                 cur,
3285                                                                 (unsigned long)atoi( osrfHashGet( field, "array_position" ) ),
3286                                                                 jsonObjectClone( jsonObjectGetIndex(kids, 0) )
3287                                                         );
3288                                                 }
3289
3290                                                 if (!(strcmp( osrfHashGet(kid_link, "reltype"), "has_many" ))) { // has_many
3291                                                         osrfLogDebug(OSRF_LOG_MARK, "Storing fleshed objects in %s", osrfHashGet(kid_link, "field"));
3292                                                         jsonObjectSetIndex(
3293                                                                 cur,
3294                                                                 (unsigned long)atoi( osrfHashGet( field, "array_position" ) ),
3295                                                                 jsonObjectClone( kids )
3296                                                         );
3297                                                 }
3298
3299                                                 if (X) {
3300                                                         jsonObjectFree(kids);
3301                                                         kids = X;
3302                                                 }
3303
3304                                                 jsonObjectFree( kids );
3305                                                 jsonObjectFree( fake_params );
3306
3307                                                 osrfLogDebug(OSRF_LOG_MARK, "Fleshing of %s complete", osrfHashGet(kid_link, "field"));
3308                                                 osrfLogDebug(OSRF_LOG_MARK, "%s", jsonObjectToJSON(cur));
3309
3310                                         }
3311                                 }
3312                                 jsonObjectFree( flesh_blob );
3313                                 osrfStringArrayFree(link_fields);
3314                                 jsonIteratorFree(itr);
3315                         }
3316                 }
3317         }
3318
3319         return res_list;
3320 }
3321
3322
3323 static jsonObject* doUpdate(osrfMethodContext* ctx, int* err ) {
3324
3325         osrfHash* meta = osrfHashGet( (osrfHash*) ctx->method->userData, "class" );
3326 #ifdef PCRUD
3327         jsonObject* target = jsonObjectGetIndex( ctx->params, 1 );
3328 #else
3329         jsonObject* target = jsonObjectGetIndex( ctx->params, 0 );
3330 #endif
3331
3332         if (!verifyObjectClass(ctx, target)) {
3333                 *err = -1;
3334                 return jsonNULL;
3335         }
3336
3337         if (!osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )) {
3338                 osrfAppSessionStatus(
3339                         ctx->session,
3340                         OSRF_STATUS_BADREQUEST,
3341                         "osrfMethodException",
3342                         ctx->request,
3343                         "No active transaction -- required for UPDATE"
3344                 );
3345                 *err = -1;
3346                 return jsonNULL;
3347         }
3348
3349         if (osrfHashGet( meta, "readonly" ) && strncasecmp("true", osrfHashGet( meta, "readonly" ), 4)) {
3350                 osrfAppSessionStatus(
3351                         ctx->session,
3352                         OSRF_STATUS_BADREQUEST,
3353                         "osrfMethodException",
3354                         ctx->request,
3355                         "Cannot UPDATE readonly class"
3356                 );
3357                 *err = -1;
3358                 return jsonNULL;
3359         }
3360
3361         dbhandle = writehandle;
3362
3363         char* trans_id = osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" );
3364
3365         // Set the last_xact_id
3366         int index = oilsIDL_ntop( target->classname, "last_xact_id" );
3367         if (index > -1) {
3368                 osrfLogDebug(OSRF_LOG_MARK, "Setting last_xact_id to %s on %s at position %d", trans_id, target->classname, index);
3369                 jsonObjectSetIndex(target, index, jsonNewObject(trans_id));
3370         }
3371
3372         char* pkey = osrfHashGet(meta, "primarykey");
3373         osrfHash* fields = osrfHashGet(meta, "fields");
3374
3375         char* id = oilsFMGetString( target, pkey );
3376
3377         osrfLogDebug(
3378                 OSRF_LOG_MARK,
3379                 "%s updating %s object with %s = %s",
3380                 MODULENAME,
3381                 osrfHashGet(meta, "fieldmapper"),
3382                 pkey,
3383                 id
3384         );
3385
3386         growing_buffer* sql = buffer_init(128);
3387         buffer_fadd(sql,"UPDATE %s SET", osrfHashGet(meta, "tablename"));
3388
3389         int i = 0;
3390         int first = 1;
3391         char* field_name;
3392         osrfStringArray* field_list = osrfHashKeys( fields );
3393         while ( (field_name = osrfStringArrayGetString(field_list, i++)) ) {
3394
3395                 osrfHash* field = osrfHashGet( fields, field_name );
3396
3397                 if(!( strcmp( field_name, pkey ) )) continue;
3398                 if(!( strcmp( osrfHashGet(osrfHashGet(fields,field_name), "virtual"), "true" ) )) continue;
3399
3400                 const jsonObject* field_object = oilsFMGetObject( target, field_name );
3401
3402                 char* value;
3403                 if (field_object && field_object->classname) {
3404                         value = oilsFMGetString(
3405                                 field_object,
3406                                 (char*)oilsIDLFindPath("/%s/primarykey", field_object->classname)
3407             );
3408                 } else {
3409                         value = jsonObjectToSimpleString( field_object );
3410                 }
3411
3412                 osrfLogDebug( OSRF_LOG_MARK, "Updating %s object with %s = %s", osrfHashGet(meta, "fieldmapper"), field_name, value);
3413
3414                 if (!field_object || field_object->type == JSON_NULL) {
3415                         if ( !(!( strcmp( osrfHashGet(meta, "classname"), "au" ) ) && !( strcmp( field_name, "passwd" ) )) ) { // arg at the special case!
3416                                 if (first) first = 0;
3417                                 else buffer_add(sql, ",");
3418                                 buffer_fadd( sql, " %s = NULL", field_name );
3419                         }
3420
3421                 } else if ( !strcmp(osrfHashGet(field, "primitive"), "number") ) {
3422                         if (first) first = 0;
3423                         else buffer_add(sql, ",");
3424
3425                         if ( !strncmp(osrfHashGet(field, "datatype"), "INT", (size_t)3) ) {
3426                                 buffer_fadd( sql, " %s = %ld", field_name, atol(value) );
3427                         } else if ( !strcmp(osrfHashGet(field, "datatype"), "NUMERIC") ) {
3428                                 buffer_fadd( sql, " %s = %f", field_name, atof(value) );
3429                         }
3430
3431                         osrfLogDebug( OSRF_LOG_MARK, "%s is of type %s", field_name, osrfHashGet(field, "datatype"));
3432
3433                 } else {
3434                         if ( dbi_conn_quote_string(dbhandle, &value) ) {
3435                                 if (first) first = 0;
3436                                 else buffer_add(sql, ",");
3437                                 buffer_fadd( sql, " %s = %s", field_name, value );
3438
3439                         } else {
3440                                 osrfLogError(OSRF_LOG_MARK, "%s: Error quoting string [%s]", MODULENAME, value);
3441                                 osrfAppSessionStatus(
3442                                         ctx->session,
3443                                         OSRF_STATUS_INTERNALSERVERERROR,
3444                                         "osrfMethodException",
3445                                         ctx->request,
3446                                         "Error quoting string -- please see the error log for more details"
3447                                 );
3448                                 free(value);
3449                                 free(id);
3450                                 buffer_free(sql);
3451                                 *err = -1;
3452                                 return jsonNULL;
3453                         }
3454                 }
3455
3456                 free(value);
3457
3458         }
3459
3460         jsonObject* obj = jsonParseString(id);
3461
3462         if ( strcmp( osrfHashGet( osrfHashGet( osrfHashGet(meta, "fields"), pkey ), "primitive" ), "number" ) )
3463                 dbi_conn_quote_string(dbhandle, &id);
3464
3465         buffer_fadd( sql, " WHERE %s = %s;", pkey, id );
3466
3467         char* query = buffer_release(sql);
3468         osrfLogDebug(OSRF_LOG_MARK, "%s: Update SQL [%s]", MODULENAME, query);
3469
3470         dbi_result result = dbi_conn_query(dbhandle, query);
3471         free(query);
3472
3473         if (!result) {
3474                 jsonObjectFree(obj);
3475                 obj = jsonNewObject(NULL);
3476                 osrfLogError(
3477                         OSRF_LOG_MARK,
3478                         "%s ERROR updating %s object with %s = %s",
3479                         MODULENAME,
3480                         osrfHashGet(meta, "fieldmapper"),
3481                         pkey,
3482                         id
3483                 );
3484         }
3485
3486         free(id);
3487
3488         return obj;
3489 }
3490
3491 static jsonObject* doDelete(osrfMethodContext* ctx, int* err ) {
3492
3493         osrfHash* meta = osrfHashGet( (osrfHash*) ctx->method->userData, "class" );
3494
3495         if (!osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )) {
3496                 osrfAppSessionStatus(
3497                         ctx->session,
3498                         OSRF_STATUS_BADREQUEST,
3499                         "osrfMethodException",
3500                         ctx->request,
3501                         "No active transaction -- required for DELETE"
3502                 );
3503                 *err = -1;
3504                 return jsonNULL;
3505         }
3506
3507         if (osrfHashGet( meta, "readonly" ) && strncasecmp("true", osrfHashGet( meta, "readonly" ), 4)) {
3508                 osrfAppSessionStatus(
3509                         ctx->session,
3510                         OSRF_STATUS_BADREQUEST,
3511                         "osrfMethodException",
3512                         ctx->request,
3513                         "Cannot DELETE readonly class"
3514                 );
3515                 *err = -1;
3516                 return jsonNULL;
3517         }
3518
3519         dbhandle = writehandle;
3520
3521         jsonObject* obj;
3522
3523         char* pkey = osrfHashGet(meta, "primarykey");
3524
3525         int _obj_pos = 0;
3526 #ifdef PCRUD
3527                 _obj_pos = 1;
3528 #endif
3529
3530         char* id;
3531         if (jsonObjectGetIndex(ctx->params, _obj_pos)->classname) {
3532                 if (!verifyObjectClass(ctx, jsonObjectGetIndex( ctx->params, _obj_pos ))) {
3533                         *err = -1;
3534                         return jsonNULL;
3535                 }
3536
3537                 id = oilsFMGetString( jsonObjectGetIndex(ctx->params, _obj_pos), pkey );
3538         } else {
3539 #ifdef PCRUD
3540         if (!verifyObjectPCRUD( ctx, NULL )) {
3541                         *err = -1;
3542                         return jsonNULL;
3543         }
3544 #endif
3545                 id = jsonObjectToSimpleString(jsonObjectGetIndex(ctx->params, _obj_pos));
3546         }
3547
3548         osrfLogDebug(
3549                 OSRF_LOG_MARK,
3550                 "%s deleting %s object with %s = %s",
3551                 MODULENAME,
3552                 osrfHashGet(meta, "fieldmapper"),
3553                 pkey,
3554                 id
3555         );
3556
3557         obj = jsonParseString(id);
3558
3559         if ( strcmp( osrfHashGet( osrfHashGet( osrfHashGet(meta, "fields"), pkey ), "primitive" ), "number" ) )
3560                 dbi_conn_quote_string(writehandle, &id);
3561
3562         dbi_result result = dbi_conn_queryf(writehandle, "DELETE FROM %s WHERE %s = %s;", osrfHashGet(meta, "tablename"), pkey, id);
3563
3564         if (!result) {
3565                 jsonObjectFree(obj);
3566                 obj = jsonNewObject(NULL);
3567                 osrfLogError(
3568                         OSRF_LOG_MARK,
3569                         "%s ERROR deleting %s object with %s = %s",
3570                         MODULENAME,
3571                         osrfHashGet(meta, "fieldmapper"),
3572                         pkey,
3573                         id
3574                 );
3575         }
3576
3577         free(id);
3578
3579         return obj;
3580
3581 }
3582
3583
3584 static jsonObject* oilsMakeFieldmapperFromResult( dbi_result result, osrfHash* meta) {
3585         if(!(result && meta)) return jsonNULL;
3586
3587         jsonObject* object = jsonNewObject(NULL);
3588         jsonObjectSetClass(object, osrfHashGet(meta, "classname"));
3589
3590         osrfHash* fields = osrfHashGet(meta, "fields");
3591
3592         osrfLogInternal(OSRF_LOG_MARK, "Setting object class to %s ", object->classname);
3593
3594         osrfHash* _f;
3595         time_t _tmp_dt;
3596         char dt_string[256];
3597         struct tm gmdt;
3598
3599         int fmIndex;
3600         int columnIndex = 1;
3601         int attr;
3602         unsigned short type;
3603         const char* columnName;
3604
3605         /* cycle through the column list */
3606         while( (columnName = dbi_result_get_field_name(result, columnIndex++)) ) {
3607
3608                 osrfLogInternal(OSRF_LOG_MARK, "Looking for column named [%s]...", (char*)columnName);
3609
3610                 fmIndex = -1; // reset the position
3611
3612                 /* determine the field type and storage attributes */
3613                 type = dbi_result_get_field_type(result, columnName);
3614                 attr = dbi_result_get_field_attribs(result, columnName);
3615
3616                 /* fetch the fieldmapper index */
3617                 if( (_f = osrfHashGet(fields, (char*)columnName)) ) {
3618                         char* virt = (char*)osrfHashGet(_f, "virtual");
3619                         char* pos = (char*)osrfHashGet(_f, "array_position");
3620
3621                         if ( !virt || !pos || !(strcmp( virt, "true" )) ) continue;
3622
3623                         fmIndex = atoi( pos );
3624                         osrfLogInternal(OSRF_LOG_MARK, "... Found column at position [%s]...", pos);
3625                 } else {
3626                         continue;
3627                 }
3628
3629                 if (dbi_result_field_is_null(result, columnName)) {
3630                         jsonObjectSetIndex( object, fmIndex, jsonNewObject(NULL) );
3631                 } else {
3632
3633                         switch( type ) {
3634
3635                                 case DBI_TYPE_INTEGER :
3636
3637                                         if( attr & DBI_INTEGER_SIZE8 )
3638                                                 jsonObjectSetIndex( object, fmIndex,
3639                                                         jsonNewNumberObject(dbi_result_get_longlong(result, columnName)));
3640                                         else
3641                                                 jsonObjectSetIndex( object, fmIndex,
3642                                                         jsonNewNumberObject(dbi_result_get_int(result, columnName)));
3643
3644                                         break;
3645
3646                                 case DBI_TYPE_DECIMAL :
3647                                         jsonObjectSetIndex( object, fmIndex,
3648                                                         jsonNewNumberObject(dbi_result_get_double(result, columnName)));
3649                                         break;
3650
3651                                 case DBI_TYPE_STRING :
3652
3653
3654                                         jsonObjectSetIndex(
3655                                                 object,
3656                                                 fmIndex,
3657                                                 jsonNewObject( dbi_result_get_string(result, columnName) )
3658                                         );
3659
3660                                         break;
3661
3662                                 case DBI_TYPE_DATETIME :
3663
3664                                         memset(dt_string, '\0', sizeof(dt_string));
3665                                         memset(&gmdt, '\0', sizeof(gmdt));
3666
3667                                         _tmp_dt = dbi_result_get_datetime(result, columnName);
3668
3669
3670                                         if (!(attr & DBI_DATETIME_DATE)) {
3671                                                 gmtime_r( &_tmp_dt, &gmdt );
3672                                                 strftime(dt_string, sizeof(dt_string), "%T", &gmdt);
3673                                         } else if (!(attr & DBI_DATETIME_TIME)) {
3674                                                 localtime_r( &_tmp_dt, &gmdt );
3675                                                 strftime(dt_string, sizeof(dt_string), "%F", &gmdt);
3676                                         } else {
3677                                                 localtime_r( &_tmp_dt, &gmdt );
3678                                                 strftime(dt_string, sizeof(dt_string), "%FT%T%z", &gmdt);
3679                                         }
3680
3681                                         jsonObjectSetIndex( object, fmIndex, jsonNewObject(dt_string) );
3682
3683                                         break;
3684
3685                                 case DBI_TYPE_BINARY :
3686                                         osrfLogError( OSRF_LOG_MARK,
3687                                                 "Can't do binary at column %s : index %d", columnName, columnIndex - 1);
3688                         }
3689                 }
3690         }
3691
3692         return object;
3693 }
3694
3695 static jsonObject* oilsMakeJSONFromResult( dbi_result result ) {
3696         if(!result) return jsonNULL;
3697
3698         jsonObject* object = jsonNewObject(NULL);
3699
3700         time_t _tmp_dt;
3701         char dt_string[256];
3702         struct tm gmdt;
3703
3704         int fmIndex;
3705         int columnIndex = 1;
3706         int attr;
3707         unsigned short type;
3708         const char* columnName;
3709
3710         /* cycle through the column list */
3711         while( (columnName = dbi_result_get_field_name(result, columnIndex++)) ) {
3712
3713                 osrfLogInternal(OSRF_LOG_MARK, "Looking for column named [%s]...", (char*)columnName);
3714
3715                 fmIndex = -1; // reset the position
3716
3717                 /* determine the field type and storage attributes */
3718                 type = dbi_result_get_field_type(result, columnName);
3719                 attr = dbi_result_get_field_attribs(result, columnName);
3720
3721                 if (dbi_result_field_is_null(result, columnName)) {
3722                         jsonObjectSetKey( object, columnName, jsonNewObject(NULL) );
3723                 } else {
3724
3725                         switch( type ) {
3726
3727                                 case DBI_TYPE_INTEGER :
3728
3729                                         if( attr & DBI_INTEGER_SIZE8 )
3730                                                 jsonObjectSetKey( object, columnName, jsonNewNumberObject(dbi_result_get_longlong(result, columnName)) );
3731                                         else
3732                                                 jsonObjectSetKey( object, columnName, jsonNewNumberObject(dbi_result_get_int(result, columnName)) );
3733                                         break;
3734
3735                                 case DBI_TYPE_DECIMAL :
3736                                         jsonObjectSetKey( object, columnName, jsonNewNumberObject(dbi_result_get_double(result, columnName)) );
3737                                         break;
3738
3739                                 case DBI_TYPE_STRING :
3740                                         jsonObjectSetKey( object, columnName, jsonNewObject(dbi_result_get_string(result, columnName)) );
3741                                         break;
3742
3743                                 case DBI_TYPE_DATETIME :
3744
3745                                         memset(dt_string, '\0', sizeof(dt_string));
3746                                         memset(&gmdt, '\0', sizeof(gmdt));
3747
3748                                         _tmp_dt = dbi_result_get_datetime(result, columnName);
3749
3750
3751                                         if (!(attr & DBI_DATETIME_DATE)) {
3752                                                 gmtime_r( &_tmp_dt, &gmdt );
3753                                                 strftime(dt_string, sizeof(dt_string), "%T", &gmdt);
3754                                         } else if (!(attr & DBI_DATETIME_TIME)) {
3755                                                 localtime_r( &_tmp_dt, &gmdt );
3756                                                 strftime(dt_string, sizeof(dt_string), "%F", &gmdt);
3757                                         } else {
3758                                                 localtime_r( &_tmp_dt, &gmdt );
3759                                                 strftime(dt_string, sizeof(dt_string), "%FT%T%z", &gmdt);
3760                                         }
3761
3762                                         jsonObjectSetKey( object, columnName, jsonNewObject(dt_string) );
3763                                         break;
3764
3765                                 case DBI_TYPE_BINARY :
3766                                         osrfLogError( OSRF_LOG_MARK,
3767                                                 "Can't do binary at column %s : index %d", columnName, columnIndex - 1);
3768                         }
3769                 }
3770         }
3771
3772         return object;
3773 }
3774