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"), tmp_method )) 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                     char* foreign_pkey = osrfHashGet(fcontext, "field");
 972                     char* foreign_pkey_value = oilsFMGetString(param, osrfHashGet(fcontext, "fkey"));
 973
 974                     jsonObject* _tmp_params = jsonParseStringFmt(
 975                         "[{\"%s\":\"%s\"}]",
 976                         foreign_pkey,
 977                         foreign_pkey_value
 978                     );
 979
 980                         jsonObject* _list = doFieldmapperSearch(
 981                         ctx,
 982                         osrfHashGet( oilsIDL(), class_name ),
 983                         _tmp_params,
 984                         &err
 985                     );
 986
 987                     jsonObject* _fparam = jsonObjectGetIndex(_list, 0);
 988
 989                     if (!_fparam) {
 990                         jsonObjectFree(_tmp_params);
 991                         jsonObjectFree(_list);
 992
 993                         growing_buffer* msg = buffer_init(128);
 994                         buffer_fadd(
 995                             msg,
 996                             "%s: no object found with primary key %s of %s",
 997                             MODULENAME,
 998                             foreign_pkey,
 999                             foreign_pkey_value
1000                         );
1001
1002                         char* m = buffer_release(msg);
1003                         osrfAppSessionStatus( ctx->session, OSRF_STATUS_BADREQUEST, "osrfMethodException", ctx->request, m );
1004                         free(m);
1005
1006                         osrfStringArrayFree(class_list);
1007                         free(foreign_pkey_value);
1008                         jsonObjectFree(param);
1009
1010                         return 0;
1011                     }
1012
1013                     jsonObjectFree(_tmp_params);
1014                     free(foreign_pkey_value);
1015
1016                     int j = 0;
1017                     char* foreign_field = NULL;
1018                     while ( (foreign_field = osrfStringArrayGetString(osrfHashGet(fcontext,"context"), j++)) ) {
1019                         osrfStringArrayAdd( context_org_array, oilsFMGetString( _fparam, foreign_field ) );
1020                             osrfLogDebug(
1021                             OSRF_LOG_MARK,
1022                             "adding foreign class %s field %s (value: %s) to the context org list",
1023                             class_name,
1024                             foreign_field,
1025                             osrfStringArrayGetString(context_org_array, context_org_array->size - 1)
1026                         );
1027                     }
1028
1029                     jsonObjectFree(_list);
1030                 }
1031
1032                 osrfStringArrayFree(class_list);
1033             }
1034         }
1035
1036         jsonObjectFree(param);
1037     }
1038
1039     char* context_org = NULL;
1040     char* perm = NULL;
1041     int OK = 0;
1042
1043     if (permission->size == 0) {
1044             osrfLogDebug( OSRF_LOG_MARK, "No permission specified for this action, passing through" );
1045         OK = 1;
1046     }
1047
1048     int i = 0;
1049     while ( (perm = osrfStringArrayGetString(permission, i++)) ) {
1050         int j = 0;
1051         while ( (context_org = osrfStringArrayGetString(context_org_array, j++)) ) {
1052             dbi_result result;
1053
1054             if (pkey_value) {
1055                     osrfLogDebug(
1056                     OSRF_LOG_MARK,
1057                     "Checking object permission [%s] for user %d on object %s (class %s) at org %d",
1058                     perm,
1059                     userid,
1060                     pkey_value,
1061                     osrfHashGet(class, "classname"),
1062                     atoi(context_org)
1063                 );
1064
1065                 result = dbi_conn_queryf(
1066                     writehandle,
1067                     "SELECT permission.usr_has_object_perm(%d, '%s', '%s', '%s', %d) AS has_perm;",
1068                     userid,
1069                     perm,
1070                     osrfHashGet(class, "classname"),
1071                     pkey_value,
1072                     atoi(context_org)
1073                 );
1074
1075                 if (result) {
1076                     osrfLogDebug(
1077                         OSRF_LOG_MARK,
1078                         "Recieved a result for object permission [%s] for user %d on object %s (class %s) at org %d",
1079                         perm,
1080                         userid,
1081                         pkey_value,
1082                         osrfHashGet(class, "classname"),
1083                         atoi(context_org)
1084                     );
1085
1086                     if (dbi_result_first_row(result)) {
1087                         jsonObject* return_val = oilsMakeJSONFromResult( result );
1088                         char* has_perm = jsonObjectToSimpleString( jsonObjectGetKeyConst(return_val, "has_perm") );
1089
1090                             osrfLogDebug(
1091                             OSRF_LOG_MARK,
1092                             "Status of object permission [%s] for user %d on object %s (class %s) at org %d is %s",
1093                             perm,
1094                             userid,
1095                             pkey_value,
1096                             osrfHashGet(class, "classname"),
1097                             atoi(context_org),
1098                             has_perm
1099                         );
1100
1101                         if ( *has_perm == 't' ) OK = 1;
1102                         free(has_perm);
1103                         jsonObjectFree(return_val);
1104                     }
1105
1106                     dbi_result_free(result);
1107                     if (OK) break;
1108                 }
1109             }
1110
1111                 osrfLogDebug( OSRF_LOG_MARK, "Checking non-object permission [%s] for user %d at org %d", perm, userid, atoi(context_org) );
1112             result = dbi_conn_queryf(
1113                 writehandle,
1114                 "SELECT permission.usr_has_perm(%d, '%s', %d) AS has_perm;",
1115                 userid,
1116                 perm,
1117                 atoi(context_org)
1118             );
1119
1120             if (result) {
1121                     osrfLogDebug( OSRF_LOG_MARK, "Recieved a result for permission [%s] for user %d at org %d", perm, userid, atoi(context_org) );
1122                 if (dbi_result_first_row(result)) {
1123                     jsonObject* return_val = oilsMakeJSONFromResult( result );
1124                     char* has_perm = jsonObjectToSimpleString( jsonObjectGetKeyConst(return_val, "has_perm") );
1125                         osrfLogDebug( OSRF_LOG_MARK, "Status of permission [%s] for user %d at org %d is [%s]", perm, userid, atoi(context_org), has_perm );
1126                     if ( *has_perm == 't' ) OK = 1;
1127                     free(has_perm);
1128                     jsonObjectFree(return_val);
1129                 }
1130
1131                 dbi_result_free(result);
1132                 if (OK) break;
1133             }
1134
1135         }
1136         if (OK) break;
1137     }
1138
1139     if (pkey_value) free(pkey_value);
1140     osrfStringArrayFree(context_org_array);
1141
1142     return OK;
1143 }
1144 #endif
1145
1146
1147 static jsonObject* doCreate(osrfMethodContext* ctx, int* err ) {
1148
1149         osrfHash* meta = osrfHashGet( (osrfHash*) ctx->method->userData, "class" );
1150 #ifdef PCRUD
1151         jsonObject* target = jsonObjectGetIndex( ctx->params, 1 );
1152         jsonObject* options = jsonObjectGetIndex( ctx->params, 2 );
1153 #else
1154         jsonObject* target = jsonObjectGetIndex( ctx->params, 0 );
1155         jsonObject* options = jsonObjectGetIndex( ctx->params, 1 );
1156 #endif
1157
1158         if (!verifyObjectClass(ctx, target)) {
1159                 *err = -1;
1160                 return jsonNULL;
1161         }
1162
1163         osrfLogDebug( OSRF_LOG_MARK, "Object seems to be of the correct type" );
1164
1165         if (!ctx->session || !ctx->session->userData || !osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )) {
1166                 osrfLogError( OSRF_LOG_MARK, "No active transaction -- required for CREATE" );
1167
1168                 osrfAppSessionStatus(
1169                         ctx->session,
1170                         OSRF_STATUS_BADREQUEST,
1171                         "osrfMethodException",
1172                         ctx->request,
1173                         "No active transaction -- required for CREATE"
1174                 );
1175                 *err = -1;
1176                 return jsonNULL;
1177         }
1178
1179         if (osrfHashGet( meta, "readonly" ) && strncasecmp("true", osrfHashGet( meta, "readonly" ), 4)) {
1180                 osrfAppSessionStatus(
1181                         ctx->session,
1182                         OSRF_STATUS_BADREQUEST,
1183                         "osrfMethodException",
1184                         ctx->request,
1185                         "Cannot INSERT readonly class"
1186                 );
1187                 *err = -1;
1188                 return jsonNULL;
1189         }
1190
1191
1192         char* trans_id = osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" );
1193
1194         // Set the last_xact_id
1195         int index = oilsIDL_ntop( target->classname, "last_xact_id" );
1196         if (index > -1) {
1197                 osrfLogDebug(OSRF_LOG_MARK, "Setting last_xact_id to %s on %s at position %d", trans_id, target->classname, index);
1198                 jsonObjectSetIndex(target, index, jsonNewObject(trans_id));
1199         }
1200
1201         osrfLogDebug( OSRF_LOG_MARK, "There is a transaction running..." );
1202
1203         dbhandle = writehandle;
1204
1205         osrfHash* fields = osrfHashGet(meta, "fields");
1206         char* pkey = osrfHashGet(meta, "primarykey");
1207         char* seq = osrfHashGet(meta, "sequence");
1208
1209         growing_buffer* table_buf = buffer_init(128);
1210         growing_buffer* col_buf = buffer_init(128);
1211         growing_buffer* val_buf = buffer_init(128);
1212
1213         buffer_fadd(table_buf,"INSERT INTO %s", osrfHashGet(meta, "tablename"));
1214         buffer_add(col_buf,"(");
1215         buffer_add(val_buf,"VALUES (");
1216
1217
1218         int i = 0;
1219         int first = 1;
1220         char* field_name;
1221         osrfStringArray* field_list = osrfHashKeys( fields );
1222         while ( (field_name = osrfStringArrayGetString(field_list, i++)) ) {
1223
1224                 osrfHash* field = osrfHashGet( fields, field_name );
1225
1226                 if(!( strcmp( osrfHashGet(osrfHashGet(fields,field_name), "virtual"), "true" ) )) continue;
1227
1228                 const jsonObject* field_object = oilsFMGetObject( target, field_name );
1229
1230                 char* value;
1231                 if (field_object && field_object->classname) {
1232                         value = oilsFMGetString(
1233                                 field_object,
1234                                 (char*)oilsIDLFindPath("/%s/primarykey", field_object->classname)
1235                         );
1236                 } else {
1237                         value = jsonObjectToSimpleString( field_object );
1238                 }
1239
1240
1241                 if (first) {
1242                         first = 0;
1243                 } else {
1244                         buffer_add(col_buf, ",");
1245                         buffer_add(val_buf, ",");
1246                 }
1247
1248                 buffer_add(col_buf, field_name);
1249
1250                 if (!field_object || field_object->type == JSON_NULL) {
1251                         buffer_add( val_buf, "DEFAULT" );
1252
1253                 } else if ( !strcmp(osrfHashGet(field, "primitive"), "number") ) {
1254                         if ( !strcmp(osrfHashGet(field, "datatype"), "INT8") ) {
1255                                 buffer_fadd( val_buf, "%lld", atoll(value) );
1256
1257                         } else if ( !strcmp(osrfHashGet(field, "datatype"), "INT") ) {
1258                                 buffer_fadd( val_buf, "%d", atoi(value) );
1259
1260                         } else if ( !strcmp(osrfHashGet(field, "datatype"), "NUMERIC") ) {
1261                                 buffer_fadd( val_buf, "%f", atof(value) );
1262                         }
1263                 } else {
1264                         if ( dbi_conn_quote_string(writehandle, &value) ) {
1265                                 buffer_fadd( val_buf, "%s", value );
1266
1267                         } else {
1268                                 osrfLogError(OSRF_LOG_MARK, "%s: Error quoting string [%s]", MODULENAME, value);
1269                                 osrfAppSessionStatus(
1270                                         ctx->session,
1271                                         OSRF_STATUS_INTERNALSERVERERROR,
1272                                         "osrfMethodException",
1273                                         ctx->request,
1274                                         "Error quoting string -- please see the error log for more details"
1275                                 );
1276                                 free(value);
1277                                 buffer_free(table_buf);
1278                                 buffer_free(col_buf);
1279                                 buffer_free(val_buf);
1280                                 *err = -1;
1281                                 return jsonNULL;
1282                         }
1283                 }
1284
1285                 free(value);
1286
1287         }
1288
1289
1290         buffer_add(col_buf,")");
1291         buffer_add(val_buf,")");
1292
1293         char* table_str = buffer_release(table_buf);
1294         char* col_str   = buffer_release(col_buf);
1295         char* val_str   = buffer_release(val_buf);
1296         growing_buffer* sql = buffer_init(128);
1297         buffer_fadd( sql, "%s %s %s;", table_str, col_str, val_str );
1298         free(table_str);
1299         free(col_str);
1300         free(val_str);
1301
1302         char* query = buffer_release(sql);
1303
1304         osrfLogDebug(OSRF_LOG_MARK, "%s: Insert SQL [%s]", MODULENAME, query);
1305
1306
1307         dbi_result result = dbi_conn_query(writehandle, query);
1308
1309         jsonObject* obj = NULL;
1310
1311         if (!result) {
1312                 obj = jsonNewObject(NULL);
1313                 osrfLogError(
1314                         OSRF_LOG_MARK,
1315                         "%s ERROR inserting %s object using query [%s]",
1316                         MODULENAME,
1317                         osrfHashGet(meta, "fieldmapper"),
1318                         query
1319                 );
1320                 osrfAppSessionStatus(
1321                         ctx->session,
1322                         OSRF_STATUS_INTERNALSERVERERROR,
1323                         "osrfMethodException",
1324                         ctx->request,
1325                         "INSERT error -- please see the error log for more details"
1326                 );
1327                 *err = -1;
1328         } else {
1329
1330                 char* id = oilsFMGetString(target, pkey);
1331                 if (!id) {
1332                         unsigned long long new_id = dbi_conn_sequence_last(writehandle, seq);
1333                         growing_buffer* _id = buffer_init(10);
1334                         buffer_fadd(_id, "%lld", new_id);
1335                         id = buffer_release(_id);
1336                 }
1337
1338                 // Find quietness specification, if present
1339                 char* quiet_str = NULL;
1340                 if ( options ) {
1341                         const jsonObject* quiet_obj = jsonObjectGetKeyConst( options, "quiet" );
1342                         if( quiet_obj )
1343                                 quiet_str = jsonObjectToSimpleString( quiet_obj );
1344                 }
1345
1346                 if( quiet_str && !strcmp( quiet_str, "true" )) {  // if quietness is specified
1347                         obj = jsonNewObject(id);
1348                 }
1349                 else {
1350
1351                         jsonObject* fake_params = jsonNewObjectType(JSON_ARRAY);
1352                         jsonObjectPush(fake_params, jsonNewObjectType(JSON_HASH));
1353
1354                         jsonObjectSetKey(
1355                                 jsonObjectGetIndex(fake_params, 0),
1356                                 pkey,
1357                                 jsonNewObject(id)
1358                         );
1359
1360                         jsonObject* list = doFieldmapperSearch( ctx,meta, fake_params, err);
1361
1362                         if(*err) {
1363                                 jsonObjectFree( fake_params );
1364                                 obj = jsonNULL;
1365                         } else {
1366                                 obj = jsonObjectClone( jsonObjectGetIndex(list, 0) );
1367                         }
1368
1369                         jsonObjectFree( list );
1370                         jsonObjectFree( fake_params );
1371                 }
1372
1373                 if(quiet_str) free(quiet_str);
1374                 free(id);
1375         }
1376
1377         free(query);
1378
1379         return obj;
1380
1381 }
1382
1383
1384 static jsonObject* doRetrieve(osrfMethodContext* ctx, int* err ) {
1385
1386     int id_pos = 0;
1387     int order_pos = 1;
1388
1389 #ifdef PCRUD
1390     id_pos = 1;
1391     order_pos = 2;
1392 #endif
1393
1394         osrfHash* meta = osrfHashGet( (osrfHash*) ctx->method->userData, "class" );
1395
1396         jsonObject* obj;
1397
1398         char* id = jsonObjectToSimpleString(jsonObjectGetIndex(ctx->params, id_pos));
1399         jsonObject* order_hash = jsonObjectGetIndex(ctx->params, order_pos);
1400
1401         osrfLogDebug(
1402                 OSRF_LOG_MARK,
1403                 "%s retrieving %s object with primary key value of %s",
1404                 MODULENAME,
1405                 osrfHashGet(meta, "fieldmapper"),
1406                 id
1407         );
1408
1409         jsonObject* fake_params = jsonNewObjectType(JSON_ARRAY);
1410         jsonObjectPush(fake_params, jsonNewObjectType(JSON_HASH));
1411
1412         jsonObjectSetKey(
1413                 jsonObjectGetIndex(fake_params, 0),
1414                 osrfHashGet(meta, "primarykey"),
1415                 jsonParseString(id)
1416         );
1417
1418         free(id);
1419
1420         if (order_hash) jsonObjectPush(fake_params, jsonObjectClone(order_hash) );
1421
1422         jsonObject* list = doFieldmapperSearch( ctx,meta, fake_params, err);
1423
1424         if(*err) {
1425                 jsonObjectFree( fake_params );
1426                 return jsonNULL;
1427         }
1428
1429         obj = jsonObjectClone( jsonObjectGetIndex(list, 0) );
1430
1431         jsonObjectFree( list );
1432         jsonObjectFree( fake_params );
1433
1434 #ifdef PCRUD
1435         if(!verifyObjectPCRUD(ctx, obj)) {
1436         jsonObjectFree(obj);
1437         *err = -1;
1438
1439         growing_buffer* msg = buffer_init(128);
1440         buffer_fadd(
1441             msg,
1442             "%s: Insufficient permissions",
1443             MODULENAME
1444         );
1445
1446         char* m = buffer_release(msg);
1447         osrfAppSessionStatus( ctx->session, OSRF_STATUS_BADREQUEST, "osrfMethodException", ctx->request, m );
1448
1449         free(m);
1450
1451                 return jsonNULL;
1452         }
1453 #endif
1454
1455         return obj;
1456 }
1457
1458 static char* jsonNumberToDBString ( osrfHash* field, const jsonObject* value ) {
1459         growing_buffer* val_buf = buffer_init(32);
1460
1461         if ( !strncmp(osrfHashGet(field, "datatype"), "INT", (size_t)3) ) {
1462                 if (value->type == JSON_NUMBER) buffer_fadd( val_buf, "%ld", (long)jsonObjectGetNumber(value) );
1463                 else {
1464                         char* val_str = jsonObjectToSimpleString(value);
1465                         buffer_fadd( val_buf, "%ld", atol(val_str) );
1466                         free(val_str);
1467                 }
1468
1469         } else if ( !strcmp(osrfHashGet(field, "datatype"), "NUMERIC") ) {
1470                 if (value->type == JSON_NUMBER) buffer_fadd( val_buf, "%f",  jsonObjectGetNumber(value) );
1471                 else {
1472                         char* val_str = jsonObjectToSimpleString(value);
1473                         buffer_fadd( val_buf, "%f", atof(val_str) );
1474                         free(val_str);
1475                 }
1476         }
1477
1478         return buffer_release(val_buf);
1479 }
1480
1481 static char* searchINPredicate (const char* class, osrfHash* field,
1482                 const jsonObject* node, const char* op) {
1483         growing_buffer* sql_buf = buffer_init(32);
1484
1485         buffer_fadd(
1486                 sql_buf,
1487                 "\"%s\".%s ",
1488                 class,
1489                 osrfHashGet(field, "name")
1490         );
1491
1492         if (!op) {
1493                 buffer_add(sql_buf, "IN (");
1494         } else if (!(strcasecmp(op,"not in"))) {
1495                 buffer_add(sql_buf, "NOT IN (");
1496         } else {
1497                 buffer_add(sql_buf, "IN (");
1498         }
1499
1500         int in_item_index = 0;
1501         int in_item_first = 1;
1502         jsonObject* in_item;
1503         while ( (in_item = jsonObjectGetIndex(node, in_item_index++)) ) {
1504
1505                 if (in_item_first)
1506                         in_item_first = 0;
1507                 else
1508                         buffer_add(sql_buf, ", ");
1509
1510                 if ( !strcmp(osrfHashGet(field, "primitive"), "number") ) {
1511                         char* val = jsonNumberToDBString( field, in_item );
1512                         buffer_fadd( sql_buf, "%s", val );
1513                         free(val);
1514
1515                 } else {
1516                         char* key_string = jsonObjectToSimpleString(in_item);
1517                         if ( dbi_conn_quote_string(dbhandle, &key_string) ) {
1518                                 buffer_fadd( sql_buf, "%s", key_string );
1519                                 free(key_string);
1520                         } else {
1521                                 osrfLogError(OSRF_LOG_MARK, "%s: Error quoting key string [%s]", MODULENAME, key_string);
1522                                 free(key_string);
1523                                 buffer_free(sql_buf);
1524                                 return NULL;
1525                         }
1526                 }
1527         }
1528
1529         buffer_add(
1530                 sql_buf,
1531                 ")"
1532         );
1533
1534         return buffer_release(sql_buf);
1535 }
1536
1537 static char* searchValueTransform( const jsonObject* array ) {
1538         growing_buffer* sql_buf = buffer_init(32);
1539
1540         char* val = NULL;
1541         int func_item_index = 0;
1542         int func_item_first = 2;
1543         jsonObject* func_item;
1544         while ( (func_item = jsonObjectGetIndex(array, func_item_index++)) ) {
1545
1546                 val = jsonObjectToSimpleString(func_item);
1547
1548                 if (func_item_first == 2) {
1549                         buffer_fadd(sql_buf, "%s( ", val);
1550                         free(val);
1551                         func_item_first--;
1552                         continue;
1553                 }
1554
1555                 if (func_item_first)
1556                         func_item_first--;
1557                 else
1558                         buffer_add(sql_buf, ", ");
1559
1560                 if (func_item->type == JSON_NULL) {
1561                         buffer_add( sql_buf, "NULL" );
1562                 } else if ( dbi_conn_quote_string(dbhandle, &val) ) {
1563                         buffer_fadd( sql_buf, "%s", val );
1564                 } else {
1565                         osrfLogError(OSRF_LOG_MARK, "%s: Error quoting key string [%s]", MODULENAME, val);
1566                         free(val);
1567                         buffer_free(sql_buf);
1568                         return NULL;
1569                 }
1570
1571                 free(val);
1572         }
1573
1574         buffer_add(
1575                 sql_buf,
1576                 " )"
1577         );
1578
1579         return buffer_release(sql_buf);
1580 }
1581
1582 static char* searchFunctionPredicate (const char* class, osrfHash* field,
1583                 const jsonObject* node, const char* node_key) {
1584         growing_buffer* sql_buf = buffer_init(32);
1585
1586         char* val = searchValueTransform(node);
1587
1588         buffer_fadd(
1589                 sql_buf,
1590                 "\"%s\".%s %s %s",
1591                 class,
1592                 osrfHashGet(field, "name"),
1593                 node_key,
1594                 val
1595         );
1596
1597         free(val);
1598
1599         return buffer_release(sql_buf);
1600 }
1601
1602 static char* searchFieldTransform (const char* class, osrfHash* field, const jsonObject* node) {
1603         growing_buffer* sql_buf = buffer_init(32);
1604
1605         char* field_transform = jsonObjectToSimpleString( jsonObjectGetKeyConst( node, "transform" ) );
1606         char* transform_subcolumn = jsonObjectToSimpleString( jsonObjectGetKeyConst( node, "result_field" ) );
1607
1608         if (field_transform) {
1609                 buffer_fadd( sql_buf, "%s(\"%s\".%s", field_transform, class, osrfHashGet(field, "name"));
1610             const jsonObject* array = jsonObjectGetKeyConst( node, "params" );
1611
1612         if (array) {
1613                 int func_item_index = 0;
1614                 jsonObject* func_item;
1615                 while ( (func_item = jsonObjectGetIndex(array, func_item_index++)) ) {
1616
1617                         char* val = jsonObjectToSimpleString(func_item);
1618
1619                     if ( !val ) {
1620                             buffer_add( sql_buf, ",NULL" );
1621                     } else if ( dbi_conn_quote_string(dbhandle, &val) ) {
1622                             buffer_fadd( sql_buf, ",%s", val );
1623                         } else {
1624                                 osrfLogError(OSRF_LOG_MARK, "%s: Error quoting key string [%s]", MODULENAME, val);
1625                             free(field_transform);
1626                                         free(val);
1627                                 buffer_free(sql_buf);
1628                                 return NULL;
1629                 }
1630                                 free(val);
1631                         }
1632
1633         }
1634
1635         buffer_add(
1636                 sql_buf,
1637                 " )"
1638         );
1639
1640         } else {
1641                 buffer_fadd( sql_buf, "\"%s\".%s", class, osrfHashGet(field, "name"));
1642         }
1643
1644     if (transform_subcolumn) {
1645         char * tmp = buffer_release(sql_buf);
1646         sql_buf = buffer_init(32);
1647         buffer_fadd(
1648             sql_buf,
1649             "(%s).\"%s\"",
1650             tmp,
1651             transform_subcolumn
1652         );
1653         free(tmp);
1654     }
1655
1656         if (field_transform) free(field_transform);
1657         if (transform_subcolumn) free(transform_subcolumn);
1658
1659         return buffer_release(sql_buf);
1660 }
1661
1662 static char* searchFieldTransformPredicate (const char* class, osrfHash* field, jsonObject* node, const char* node_key) {
1663         char* field_transform = searchFieldTransform( class, field, node );
1664         char* value = NULL;
1665
1666         if (!jsonObjectGetKeyConst( node, "value" )) {
1667                 value = searchWHERE( node, osrfHashGet( oilsIDL(), class ), AND_OP_JOIN, NULL );
1668         } else if (jsonObjectGetKeyConst( node, "value" )->type == JSON_ARRAY) {
1669                 value = searchValueTransform(jsonObjectGetKeyConst( node, "value" ));
1670         } else if (jsonObjectGetKeyConst( node, "value" )->type == JSON_HASH) {
1671                 value = searchWHERE( jsonObjectGetKeyConst( node, "value" ), osrfHashGet( oilsIDL(), class ), AND_OP_JOIN, NULL );
1672         } else if (jsonObjectGetKeyConst( node, "value" )->type != JSON_NULL) {
1673                 if ( !strcmp(osrfHashGet(field, "primitive"), "number") ) {
1674                         value = jsonNumberToDBString( field, jsonObjectGetKeyConst( node, "value" ) );
1675                 } else {
1676                         value = jsonObjectToSimpleString(jsonObjectGetKeyConst( node, "value" ));
1677                         if ( !dbi_conn_quote_string(dbhandle, &value) ) {
1678                                 osrfLogError(OSRF_LOG_MARK, "%s: Error quoting key string [%s]", MODULENAME, value);
1679                                 free(value);
1680                                 free(field_transform);
1681                                 return NULL;
1682                         }
1683                 }
1684         }
1685
1686         growing_buffer* sql_buf = buffer_init(32);
1687
1688         buffer_fadd(
1689                 sql_buf,
1690                 "%s %s %s",
1691                 field_transform,
1692                 node_key,
1693                 value
1694         );
1695
1696         free(value);
1697         free(field_transform);
1698
1699         return buffer_release(sql_buf);
1700 }
1701
1702 static char* searchSimplePredicate (const char* orig_op, const char* class,
1703                 osrfHash* field, const jsonObject* node) {
1704
1705         char* val = NULL;
1706
1707         if (node->type != JSON_NULL) {
1708                 if ( !strcmp(osrfHashGet(field, "primitive"), "number") ) {
1709                         val = jsonNumberToDBString( field, node );
1710                 } else {
1711                         val = jsonObjectToSimpleString(node);
1712                 }
1713         }
1714
1715         char* pred = searchWriteSimplePredicate( class, field, osrfHashGet(field, "name"), orig_op, val );
1716
1717         if (val) free(val);
1718
1719         return pred;
1720 }
1721
1722 static char* searchWriteSimplePredicate ( const char* class, osrfHash* field,
1723         const char* left, const char* orig_op, const char* right ) {
1724
1725         char* val = NULL;
1726         char* op = NULL;
1727         if (right == NULL) {
1728                 val = strdup("NULL");
1729
1730                 if (strcmp( orig_op, "=" ))
1731                         op = strdup("IS NOT");
1732                 else
1733                         op = strdup("IS");
1734
1735         } else if ( !strcmp(osrfHashGet(field, "primitive"), "number") ) {
1736                 val = strdup(right);
1737                 op = strdup(orig_op);
1738
1739         } else {
1740                 val = strdup(right);
1741                 if ( !dbi_conn_quote_string(dbhandle, &val) ) {
1742                         osrfLogError(OSRF_LOG_MARK, "%s: Error quoting key string [%s]", MODULENAME, val);
1743                         free(val);
1744                         return NULL;
1745                 }
1746                 op = strdup(orig_op);
1747         }
1748
1749         growing_buffer* sql_buf = buffer_init(16);
1750         buffer_fadd( sql_buf, "\"%s\".%s %s %s", class, left, op, val );
1751         free(val);
1752         free(op);
1753
1754         return buffer_release(sql_buf);
1755 }
1756
1757 static char* searchBETWEENPredicate (const char* class, osrfHash* field, jsonObject* node) {
1758
1759         char* x_string;
1760         char* y_string;
1761
1762         if ( !strcmp(osrfHashGet(field, "primitive"), "number") ) {
1763                 x_string = jsonNumberToDBString(field, jsonObjectGetIndex(node,0));
1764                 y_string = jsonNumberToDBString(field, jsonObjectGetIndex(node,1));
1765
1766         } else {
1767                 x_string = jsonObjectToSimpleString(jsonObjectGetIndex(node,0));
1768                 y_string = jsonObjectToSimpleString(jsonObjectGetIndex(node,1));
1769                 if ( !(dbi_conn_quote_string(dbhandle, &x_string) && dbi_conn_quote_string(dbhandle, &y_string)) ) {
1770                         osrfLogError(OSRF_LOG_MARK, "%s: Error quoting key strings [%s] and [%s]", MODULENAME, x_string, y_string);
1771                         free(x_string);
1772                         free(y_string);
1773                         return NULL;
1774                 }
1775         }
1776
1777         growing_buffer* sql_buf = buffer_init(32);
1778         buffer_fadd( sql_buf, "%s BETWEEN %s AND %s", osrfHashGet(field, "name"), x_string, y_string );
1779         free(x_string);
1780         free(y_string);
1781
1782         return buffer_release(sql_buf);
1783 }
1784
1785 static char* searchPredicate ( const char* class, osrfHash* field, jsonObject* node ) {
1786
1787         char* pred = NULL;
1788         if (node->type == JSON_ARRAY) { // equality IN search
1789                 pred = searchINPredicate( class, field, node, NULL );
1790         } else if (node->type == JSON_HASH) { // non-equality search
1791                 jsonObject* pred_node;
1792                 jsonIterator* pred_itr = jsonNewIterator( node );
1793                 while ( (pred_node = jsonIteratorNext( pred_itr )) ) {
1794                         if ( !(strcasecmp( pred_itr->key,"between" )) )
1795                                 pred = searchBETWEENPredicate( class, field, pred_node );
1796                         else if ( !(strcasecmp( pred_itr->key,"in" )) || !(strcasecmp( pred_itr->key,"not in" )) )
1797                                 pred = searchINPredicate( class, field, pred_node, pred_itr->key );
1798                         else if ( pred_node->type == JSON_ARRAY )
1799                                 pred = searchFunctionPredicate( class, field, pred_node, pred_itr->key );
1800                         else if ( pred_node->type == JSON_HASH )
1801                                 pred = searchFieldTransformPredicate( class, field, pred_node, pred_itr->key );
1802                         else
1803                                 pred = searchSimplePredicate( pred_itr->key, class, field, pred_node );
1804
1805                         break;
1806                 }
1807         jsonIteratorFree(pred_itr);
1808         } else if (node->type == JSON_NULL) { // IS NULL search
1809                 growing_buffer* _p = buffer_init(64);
1810                 buffer_fadd(
1811                         _p,
1812                         "\"%s\".%s IS NULL",
1813                         class,
1814                         osrfHashGet(field, "name")
1815                 );
1816                 pred = buffer_release(_p);
1817         } else { // equality search
1818                 pred = searchSimplePredicate( "=", class, field, node );
1819         }
1820
1821         return pred;
1822
1823 }
1824
1825
1826 /*
1827
1828 join : {
1829         acn : {
1830                 field : record,
1831                 fkey : id
1832                 type : left
1833                 filter_op : or
1834                 filter : { ... },
1835                 join : {
1836                         acp : {
1837                                 field : call_number,
1838                                 fkey : id,
1839                                 filter : { ... },
1840                         },
1841                 },
1842         },
1843         mrd : {
1844                 field : record,
1845                 type : inner
1846                 fkey : id,
1847                 filter : { ... },
1848         }
1849 }
1850
1851 */
1852
1853 static char* searchJOIN ( const jsonObject* join_hash, osrfHash* leftmeta ) {
1854
1855         const jsonObject* working_hash;
1856         jsonObject* freeable_hash = NULL;
1857
1858         if (join_hash->type == JSON_STRING) {
1859                 // create a wrapper around a copy of the original
1860                 char* _tmp = jsonObjectToSimpleString( join_hash );
1861                 freeable_hash = jsonNewObjectType(JSON_HASH);
1862                 jsonObjectSetKey(freeable_hash, _tmp, NULL);
1863                 free(_tmp);
1864                 working_hash = freeable_hash;
1865         }
1866         else
1867                 working_hash = join_hash;
1868
1869         growing_buffer* join_buf = buffer_init(128);
1870         char* leftclass = osrfHashGet(leftmeta, "classname");
1871
1872         jsonObject* snode = NULL;
1873         jsonIterator* search_itr = jsonNewIterator( working_hash );
1874         if(freeable_hash)
1875                 jsonObjectFree(freeable_hash);
1876
1877         while ( (snode = jsonIteratorNext( search_itr )) ) {
1878                 osrfHash* idlClass = osrfHashGet( oilsIDL(), search_itr->key );
1879
1880                 char* class = osrfHashGet(idlClass, "classname");
1881
1882                 char* fkey = jsonObjectToSimpleString( jsonObjectGetKeyConst( snode, "fkey" ) );
1883                 char* field = jsonObjectToSimpleString( jsonObjectGetKeyConst( snode, "field" ) );
1884
1885                 if (field && !fkey) {
1886                         fkey = (char*)oilsIDLFindPath("/%s/links/%s/key", class, field);
1887                         if (!fkey) {
1888                                 osrfLogError(
1889                                         OSRF_LOG_MARK,
1890                                         "%s: JOIN failed.  No link defined from %s.%s to %s",
1891                                         MODULENAME,
1892                                         class,
1893                                         field,
1894                                         leftclass
1895                                 );
1896                                 buffer_free(join_buf);
1897                                 free(field);
1898                                 jsonIteratorFree(search_itr);
1899                                 return NULL;
1900                         }
1901                         fkey = strdup( fkey );
1902
1903                 } else if (!field && fkey) {
1904                         field = (char*)oilsIDLFindPath("/%s/links/%s/key", leftclass, fkey );
1905                         if (!field) {
1906                                 osrfLogError(
1907                                         OSRF_LOG_MARK,
1908                                         "%s: JOIN failed.  No link defined from %s.%s to %s",
1909                                         MODULENAME,
1910                                         leftclass,
1911                                         fkey,
1912                                         class
1913                                 );
1914                                 buffer_free(join_buf);
1915                                 free(fkey);
1916                                 jsonIteratorFree(search_itr);
1917                                 return NULL;
1918                         }
1919                         field = strdup( field );
1920
1921                 } else if (!field && !fkey) {
1922                         osrfHash* _links = oilsIDLFindPath("/%s/links", leftclass);
1923
1924                         int i = 0;
1925                         osrfStringArray* keys = osrfHashKeys( _links );
1926                         while ( (fkey = osrfStringArrayGetString(keys, i++)) ) {
1927                                 fkey = strdup(osrfStringArrayGetString(keys, i++));
1928                                 if ( !strcmp( (char*)oilsIDLFindPath("/%s/links/%s/class", leftclass, fkey), class) ) {
1929                                         field = strdup( (char*)oilsIDLFindPath("/%s/links/%s/key", leftclass, fkey) );
1930                                         break;
1931                                 } else {
1932                                         free(fkey);
1933                                 }
1934                         }
1935                         osrfStringArrayFree(keys);
1936
1937                         if (!field && !fkey) {
1938                                 _links = oilsIDLFindPath("/%s/links", class);
1939
1940                                 i = 0;
1941                                 keys = osrfHashKeys( _links );
1942                                 while ( (field = osrfStringArrayGetString(keys, i++)) ) {
1943                                         field = strdup(osrfStringArrayGetString(keys, i++));
1944                                         if ( !strcmp( (char*)oilsIDLFindPath("/%s/links/%s/class", class, field), class) ) {
1945                                                 fkey = strdup( (char*)oilsIDLFindPath("/%s/links/%s/key", class, field) );
1946                                                 break;
1947                                         } else {
1948                                                 free(field);
1949                                         }
1950                                 }
1951                                 osrfStringArrayFree(keys);
1952                         }
1953
1954                         if (!field && !fkey) {
1955                                 osrfLogError(
1956                                         OSRF_LOG_MARK,
1957                                         "%s: JOIN failed.  No link defined between %s and %s",
1958                                         MODULENAME,
1959                                         leftclass,
1960                                         class
1961                                 );
1962                                 buffer_free(join_buf);
1963                                 jsonIteratorFree(search_itr);
1964                                 return NULL;
1965                         }
1966
1967                 }
1968
1969                 char* type = jsonObjectToSimpleString( jsonObjectGetKeyConst( snode, "type" ) );
1970                 if (type) {
1971                         if ( !strcasecmp(type,"left") ) {
1972                                 buffer_add(join_buf, " LEFT JOIN");
1973                         } else if ( !strcasecmp(type,"right") ) {
1974                                 buffer_add(join_buf, " RIGHT JOIN");
1975                         } else if ( !strcasecmp(type,"full") ) {
1976                                 buffer_add(join_buf, " FULL JOIN");
1977                         } else {
1978                                 buffer_add(join_buf, " INNER JOIN");
1979                         }
1980                 } else {
1981                         buffer_add(join_buf, " INNER JOIN");
1982                 }
1983                 free(type);
1984
1985                 char* table = getSourceDefinition(idlClass);
1986                 buffer_fadd(join_buf, " %s AS \"%s\" ON ( \"%s\".%s = \"%s\".%s", table, class, class, field, leftclass, fkey);
1987                 free(table);
1988
1989                 const jsonObject* filter = jsonObjectGetKeyConst( snode, "filter" );
1990                 if (filter) {
1991                         char* filter_op = jsonObjectToSimpleString( jsonObjectGetKeyConst( snode, "filter_op" ) );
1992                         if (filter_op) {
1993                                 if (!strcasecmp("or",filter_op)) {
1994                                         buffer_add( join_buf, " OR " );
1995                                 } else {
1996                                         buffer_add( join_buf, " AND " );
1997                                 }
1998                         } else {
1999                                 buffer_add( join_buf, " AND " );
2000                         }
2001
2002                         char* jpred = searchWHERE( filter, idlClass, AND_OP_JOIN, NULL );
2003                         buffer_fadd( join_buf, " %s", jpred );
2004                         free(jpred);
2005                         free(filter_op);
2006                 }
2007
2008                 buffer_add(join_buf, " ) ");
2009
2010                 const jsonObject* join_filter = jsonObjectGetKeyConst( snode, "join" );
2011                 if (join_filter) {
2012                         char* jpred = searchJOIN( join_filter, idlClass );
2013                         buffer_fadd( join_buf, " %s", jpred );
2014                         free(jpred);
2015                 }
2016
2017                 free(fkey);
2018                 free(field);
2019         }
2020
2021     jsonIteratorFree(search_itr);
2022
2023         return buffer_release(join_buf);
2024 }
2025
2026 /*
2027
2028 { +class : { -or|-and : { field : { op : value }, ... } ... }, ... }
2029 { +class : { -or|-and : [ { field : { op : value }, ... }, ...] ... }, ... }
2030 [ { +class : { -or|-and : [ { field : { op : value }, ... }, ...] ... }, ... }, ... ]
2031
2032 */
2033
2034 static char* searchWHERE ( const jsonObject* search_hash, osrfHash* meta, int opjoin_type, osrfMethodContext* ctx ) {
2035
2036         growing_buffer* sql_buf = buffer_init(128);
2037
2038         jsonObject* node = NULL;
2039
2040     int first = 1;
2041     if ( search_hash->type == JSON_ARRAY ) {
2042         jsonIterator* search_itr = jsonNewIterator( search_hash );
2043         while ( (node = jsonIteratorNext( search_itr )) ) {
2044             if (first) {
2045                 first = 0;
2046             } else {
2047                 if (opjoin_type == OR_OP_JOIN) buffer_add(sql_buf, " OR ");
2048                 else buffer_add(sql_buf, " AND ");
2049             }
2050
2051             char* subpred = searchWHERE( node, meta, opjoin_type, ctx );
2052             buffer_fadd(sql_buf, "( %s )", subpred);
2053             free(subpred);
2054         }
2055         jsonIteratorFree(search_itr);
2056
2057     } else if ( search_hash->type == JSON_HASH ) {
2058         jsonIterator* search_itr = jsonNewIterator( search_hash );
2059         while ( (node = jsonIteratorNext( search_itr )) ) {
2060
2061             if (first) {
2062                 first = 0;
2063             } else {
2064                 if (opjoin_type == OR_OP_JOIN) buffer_add(sql_buf, " OR ");
2065                 else buffer_add(sql_buf, " AND ");
2066             }
2067
2068             if ( !strncmp("+",search_itr->key,1) ) {
2069                 if ( node->type == JSON_STRING ) {
2070                     char* subpred = jsonObjectToSimpleString( node );
2071                     buffer_fadd(sql_buf, " \"%s\".%s ", search_itr->key + 1, subpred);
2072                     free(subpred);
2073                 } else {
2074                     char* subpred = searchWHERE( node, osrfHashGet( oilsIDL(), search_itr->key + 1 ), AND_OP_JOIN, ctx );
2075                     buffer_fadd(sql_buf, "( %s )", subpred);
2076                     free(subpred);
2077                 }
2078             } else if ( !strcasecmp("-or",search_itr->key) ) {
2079                 char* subpred = searchWHERE( node, meta, OR_OP_JOIN, ctx );
2080                 buffer_fadd(sql_buf, "( %s )", subpred);
2081                 free(subpred);
2082             } else if ( !strcasecmp("-and",search_itr->key) ) {
2083                 char* subpred = searchWHERE( node, meta, AND_OP_JOIN, ctx );
2084                 buffer_fadd(sql_buf, "( %s )", subpred);
2085                 free(subpred);
2086             } else if ( !strcasecmp("-exists",search_itr->key) ) {
2087                 char* subpred = SELECT(
2088                     ctx,
2089                     jsonObjectGetKey( node, "select" ),
2090                     jsonObjectGetKey( node, "from" ),
2091                     jsonObjectGetKey( node, "where" ),
2092                     jsonObjectGetKey( node, "having" ),
2093                     jsonObjectGetKey( node, "order_by" ),
2094                     jsonObjectGetKey( node, "limit" ),
2095                     jsonObjectGetKey( node, "offset" ),
2096                     SUBSELECT
2097                 );
2098
2099                 buffer_fadd(sql_buf, "EXISTS ( %s )", subpred);
2100                 free(subpred);
2101             } else if ( !strcasecmp("-not-exists",search_itr->key) ) {
2102                 char* subpred = SELECT(
2103                     ctx,
2104                     jsonObjectGetKey( node, "select" ),
2105                     jsonObjectGetKey( node, "from" ),
2106                     jsonObjectGetKey( node, "where" ),
2107                     jsonObjectGetKey( node, "having" ),
2108                     jsonObjectGetKey( node, "order_by" ),
2109                     jsonObjectGetKey( node, "limit" ),
2110                     jsonObjectGetKey( node, "offset" ),
2111                     SUBSELECT
2112                 );
2113
2114                 buffer_fadd(sql_buf, "NOT EXISTS ( %s )", subpred);
2115                 free(subpred);
2116             } else {
2117
2118                 char* class = osrfHashGet(meta, "classname");
2119                 osrfHash* fields = osrfHashGet(meta, "fields");
2120                 osrfHash* field = osrfHashGet( fields, search_itr->key );
2121
2122
2123                 if (!field) {
2124                     char* table = getSourceDefinition(meta);
2125                     osrfLogError(
2126                         OSRF_LOG_MARK,
2127                         "%s: Attempt to reference non-existant column %s on %s (%s)",
2128                         MODULENAME,
2129                         search_itr->key,
2130                         table,
2131                         class
2132                     );
2133                     buffer_free(sql_buf);
2134                     free(table);
2135                                         jsonIteratorFree(search_itr);
2136                                         return NULL;
2137                 }
2138
2139                 char* subpred = searchPredicate( class, field, node );
2140                 buffer_add( sql_buf, subpred );
2141                 free(subpred);
2142             }
2143         }
2144             jsonIteratorFree(search_itr);
2145
2146     } else {
2147         // ERROR ... only hash and array allowed at this level
2148         char* predicate_string = jsonObjectToJSON( search_hash );
2149         osrfLogError(
2150             OSRF_LOG_MARK,
2151             "%s: Invalid predicate structure: %s",
2152             MODULENAME,
2153             predicate_string
2154         );
2155         buffer_free(sql_buf);
2156         free(predicate_string);
2157         return NULL;
2158     }
2159
2160
2161         return buffer_release(sql_buf);
2162 }
2163
2164 static char* SELECT (
2165                 /* method context */ osrfMethodContext* ctx,
2166
2167                 /* SELECT   */ jsonObject* selhash,
2168                 /* FROM     */ jsonObject* join_hash,
2169                 /* WHERE    */ jsonObject* search_hash,
2170                 /* HAVING   */ jsonObject* having_hash,
2171                 /* ORDER BY */ jsonObject* order_hash,
2172                 /* LIMIT    */ jsonObject* limit,
2173                 /* OFFSET   */ jsonObject* offset,
2174                 /* flags    */ int flags
2175 ) {
2176         const char* locale = osrf_message_get_last_locale();
2177
2178         // in case we don't get a select list
2179         jsonObject* defaultselhash = NULL;
2180
2181         // general tmp objects
2182         const jsonObject* tmp_const;
2183         jsonObject* _tmp = NULL;
2184         jsonObject* selclass = NULL;
2185         jsonObject* selfield = NULL;
2186         jsonObject* snode = NULL;
2187         jsonObject* onode = NULL;
2188         jsonObject* found = NULL;
2189
2190         char* string = NULL;
2191         int from_function = 0;
2192         int first = 1;
2193         int gfirst = 1;
2194         //int hfirst = 1;
2195
2196         // the core search class
2197         char* core_class = NULL;
2198
2199         // metadata about the core search class
2200         osrfHash* core_meta = NULL;
2201         osrfHash* core_fields = NULL;
2202         osrfHash* idlClass = NULL;
2203
2204         // punt if there's no core class
2205         if (!join_hash || ( join_hash->type == JSON_HASH && !join_hash->size ))
2206                 return NULL;
2207
2208         // get the core class -- the only key of the top level FROM clause, or a string
2209         if (join_hash->type == JSON_HASH) {
2210                 jsonIterator* tmp_itr = jsonNewIterator( join_hash );
2211                 snode = jsonIteratorNext( tmp_itr );
2212
2213                 core_class = strdup( tmp_itr->key );
2214                 join_hash = snode;
2215
2216                 jsonIteratorFree( tmp_itr );
2217                 snode = NULL;
2218
2219         } else if (join_hash->type == JSON_ARRAY) {
2220         from_function = 1;
2221         selhash = NULL;
2222
2223         } else if (join_hash->type == JSON_STRING) {
2224                 core_class = jsonObjectToSimpleString( join_hash );
2225                 join_hash = NULL;
2226         }
2227
2228         // punt if we don't know about the core class (and it's not a function)
2229         if (!from_function && !(core_meta = osrfHashGet( oilsIDL(), core_class ))) {
2230                 free(core_class);
2231                 return NULL;
2232         }
2233
2234         // if the select list is empty, or the core class field list is '*',
2235         // build the default select list ...
2236         if (!selhash) {
2237                 selhash = defaultselhash = jsonNewObjectType(JSON_HASH);
2238                 jsonObjectSetKey( selhash, core_class, jsonNewObjectType(JSON_ARRAY) );
2239         } else if ( (tmp_const = jsonObjectGetKeyConst( selhash, core_class )) && tmp_const->type == JSON_STRING ) {
2240                 char* _x = jsonObjectToSimpleString( tmp_const );
2241                 if (!strncmp( "*", _x, 1 )) {
2242                         jsonObjectRemoveKey( selhash, core_class );
2243                         jsonObjectSetKey( selhash, core_class, jsonNewObjectType(JSON_ARRAY) );
2244                 }
2245                 free(_x);
2246         }
2247
2248         // the query buffer
2249         growing_buffer* sql_buf = buffer_init(128);
2250
2251         // temp buffer for the SELECT list
2252         growing_buffer* select_buf = buffer_init(128);
2253         growing_buffer* order_buf = buffer_init(128);
2254         growing_buffer* group_buf = buffer_init(128);
2255         growing_buffer* having_buf = buffer_init(128);
2256
2257         if (!from_function)
2258         core_fields = osrfHashGet(core_meta, "fields");
2259
2260         // ... and if we /are/ building the default list, do that
2261         if ( (_tmp = jsonObjectGetKey(selhash,core_class)) && !_tmp->size ) {
2262
2263                 int i = 0;
2264                 char* field;
2265
2266         if (!from_function) {
2267                 osrfStringArray* keys = osrfHashKeys( core_fields );
2268                 while ( (field = osrfStringArrayGetString(keys, i++)) ) {
2269                         if ( strncasecmp( "true", osrfHashGet( osrfHashGet( core_fields, field ), "virtual" ), 4 ) )
2270                                 jsonObjectPush( _tmp, jsonNewObject( field ) );
2271                 }
2272                 osrfStringArrayFree(keys);
2273         }
2274         }
2275
2276         // Now we build the actual select list
2277         if (!from_function) {
2278             int sel_pos = 1;
2279             jsonObject* is_agg = jsonObjectFindPath(selhash, "//aggregate");
2280             first = 1;
2281             gfirst = 1;
2282             jsonIterator* selclass_itr = jsonNewIterator( selhash );
2283             while ( (selclass = jsonIteratorNext( selclass_itr )) ) {
2284
2285                     // round trip through the idl, just to be safe
2286                     idlClass = osrfHashGet( oilsIDL(), selclass_itr->key );
2287                     if (!idlClass) continue;
2288                     char* cname = osrfHashGet(idlClass, "classname");
2289
2290                     // make sure the target relation is in the join tree
2291                     if (strcmp(core_class,cname)) {
2292                             if (!join_hash) continue;
2293
2294                             if (join_hash->type == JSON_STRING) {
2295                                     string = jsonObjectToSimpleString(join_hash);
2296                                     found = strcmp(string,cname) ? NULL : jsonParseString("{\"1\":\"1\"}");
2297                                     free(string);
2298                             } else {
2299                                     found = jsonObjectFindPath(join_hash, "//%s", cname);
2300                             }
2301
2302                             if (!found->size) {
2303                                     jsonObjectFree(found);
2304                                     continue;
2305                             }
2306
2307                             jsonObjectFree(found);
2308                     }
2309
2310                     // stitch together the column list ...
2311                     jsonIterator* select_itr = jsonNewIterator( selclass );
2312                     while ( (selfield = jsonIteratorNext( select_itr )) ) {
2313
2314                             char* __column = NULL;
2315                             char* __alias = NULL;
2316
2317                             // ... if it's a sstring, just toss it on the pile
2318                             if (selfield->type == JSON_STRING) {
2319
2320                                     // again, just to be safe
2321                                     char* _requested_col = jsonObjectToSimpleString(selfield);
2322                                     osrfHash* field = osrfHashGet( osrfHashGet( idlClass, "fields" ), _requested_col );
2323                                     free(_requested_col);
2324
2325                                     if (!field) continue;
2326                                     __column = strdup(osrfHashGet(field, "name"));
2327
2328                                     if (first) {
2329                                             first = 0;
2330                                     } else {
2331                                             buffer_add(select_buf, ",");
2332                                     }
2333
2334                     if (locale) {
2335                             char* i18n = osrfHashGet(field, "i18n");
2336                                     if (flags & DISABLE_I18N)
2337                             i18n = NULL;
2338
2339                             if ( i18n && !strncasecmp("true", i18n, 4)) {
2340                                 char* pkey = osrfHashGet(idlClass, "primarykey");
2341                                 char* tname = osrfHashGet(idlClass, "tablename");
2342
2343                             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);
2344                         } else {
2345                                             buffer_fadd(select_buf, " \"%s\".%s AS \"%s\"", cname, __column, __column);
2346                         }
2347                     } else {
2348                                         buffer_fadd(select_buf, " \"%s\".%s AS \"%s\"", cname, __column, __column);
2349                     }
2350
2351                             // ... but it could be an object, in which case we check for a Field Transform
2352                             } else {
2353
2354                                     __column = jsonObjectToSimpleString( jsonObjectGetKeyConst( selfield, "column" ) );
2355
2356                                     // again, just to be safe
2357                                     osrfHash* field = osrfHashGet( osrfHashGet( idlClass, "fields" ), __column );
2358                                     if (!field) continue;
2359                                     const char* fname = osrfHashGet(field, "name");
2360
2361                                     if (first) {
2362                                             first = 0;
2363                                     } else {
2364                                             buffer_add(select_buf, ",");
2365                                     }
2366
2367                                     if ((tmp_const = jsonObjectGetKeyConst( selfield, "alias" ))) {
2368                                             __alias = jsonObjectToSimpleString( tmp_const );
2369                                     } else {
2370                                             __alias = strdup(__column);
2371                                     }
2372
2373                                     if (jsonObjectGetKeyConst( selfield, "transform" )) {
2374                                             free(__column);
2375                                             __column = searchFieldTransform(cname, field, selfield);
2376                                             buffer_fadd(select_buf, " %s AS \"%s\"", __column, __alias);
2377                                     } else {
2378                         if (locale) {
2379                                     char* i18n = osrfHashGet(field, "i18n");
2380                                         if (flags & DISABLE_I18N)
2381                                 i18n = NULL;
2382
2383                                     if ( i18n && !strncasecmp("true", i18n, 4)) {
2384                                     char* pkey = osrfHashGet(idlClass, "primarykey");
2385                                     char* tname = osrfHashGet(idlClass, "tablename");
2386
2387                                 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);
2388                             } else {
2389                                                     buffer_fadd(select_buf, " \"%s\".%s AS \"%s\"", cname, fname, __alias);
2390                             }
2391                         } else {
2392                                                 buffer_fadd(select_buf, " \"%s\".%s AS \"%s\"", cname, fname, __alias);
2393                         }
2394                                     }
2395                             }
2396
2397                             if (is_agg->size || (flags & SELECT_DISTINCT)) {
2398
2399                                     if ( !(
2400                             jsonBoolIsTrue( jsonObjectGetKey( selfield, "aggregate" ) ) ||
2401                                 ((int)jsonObjectGetNumber(jsonObjectGetKey( selfield, "aggregate" ))) == 1 // support 1/0 for perl's sake
2402                          )
2403                     ) {
2404                                             if (gfirst) {
2405                                                     gfirst = 0;
2406                                             } else {
2407                                                     buffer_add(group_buf, ",");
2408                                             }
2409
2410                                             buffer_fadd(group_buf, " %d", sel_pos);
2411                                     /*
2412                                     } else if (is_agg = jsonObjectGetKey( selfield, "having" )) {
2413                                             if (gfirst) {
2414                                                     gfirst = 0;
2415                                             } else {
2416                                                     buffer_add(group_buf, ",");
2417                                             }
2418
2419                                             __column = searchFieldTransform(cname, field, selfield);
2420                                             buffer_fadd(group_buf, " %s", __column);
2421                                             __column = searchFieldTransform(cname, field, selfield);
2422                                     */
2423                                     }
2424                             }
2425
2426                             if (__column) free(__column);
2427                             if (__alias) free(__alias);
2428
2429                             sel_pos++;
2430                     }
2431
2432             // jsonIteratorFree(select_itr);
2433             }
2434
2435         // jsonIteratorFree(selclass_itr);
2436
2437             if (is_agg) jsonObjectFree(is_agg);
2438     } else {
2439         buffer_add(select_buf, "*");
2440     }
2441
2442
2443         char* col_list = buffer_release(select_buf);
2444         char* table = NULL;
2445     if (!from_function) table = getSourceDefinition(core_meta);
2446     else table = searchValueTransform(join_hash);
2447
2448         // Put it all together
2449         buffer_fadd(sql_buf, "SELECT %s FROM %s AS \"%s\" ", col_list, table, core_class );
2450         free(col_list);
2451         free(table);
2452
2453     if (!from_function) {
2454             // Now, walk the join tree and add that clause
2455             if ( join_hash ) {
2456                     char* join_clause = searchJOIN( join_hash, core_meta );
2457                     buffer_add(sql_buf, join_clause);
2458                     free(join_clause);
2459             }
2460
2461             if ( search_hash ) {
2462                     buffer_add(sql_buf, " WHERE ");
2463
2464                     // and it's on the the WHERE clause
2465                     char* pred = searchWHERE( search_hash, core_meta, AND_OP_JOIN, ctx );
2466
2467                     if (!pred) {
2468                             if (ctx) {
2469                                 osrfAppSessionStatus(
2470                                         ctx->session,
2471                                         OSRF_STATUS_INTERNALSERVERERROR,
2472                                         "osrfMethodException",
2473                                         ctx->request,
2474                                         "Severe query error in WHERE predicate -- see error log for more details"
2475                                 );
2476                             }
2477                             free(core_class);
2478                             buffer_free(having_buf);
2479                             buffer_free(group_buf);
2480                             buffer_free(order_buf);
2481                             buffer_free(sql_buf);
2482                             if (defaultselhash) jsonObjectFree(defaultselhash);
2483                             return NULL;
2484                     } else {
2485                             buffer_add(sql_buf, pred);
2486                             free(pred);
2487                     }
2488         }
2489
2490             if ( having_hash ) {
2491                     buffer_add(sql_buf, " HAVING ");
2492
2493                     // and it's on the the WHERE clause
2494                     char* pred = searchWHERE( having_hash, core_meta, AND_OP_JOIN, ctx );
2495
2496                     if (!pred) {
2497                             if (ctx) {
2498                                 osrfAppSessionStatus(
2499                                         ctx->session,
2500                                         OSRF_STATUS_INTERNALSERVERERROR,
2501                                         "osrfMethodException",
2502                                         ctx->request,
2503                                         "Severe query error in HAVING predicate -- see error log for more details"
2504                                 );
2505                             }
2506                             free(core_class);
2507                             buffer_free(having_buf);
2508                             buffer_free(group_buf);
2509                             buffer_free(order_buf);
2510                             buffer_free(sql_buf);
2511                             if (defaultselhash) jsonObjectFree(defaultselhash);
2512                             return NULL;
2513                     } else {
2514                             buffer_add(sql_buf, pred);
2515                             free(pred);
2516                     }
2517             }
2518
2519             first = 1;
2520             jsonIterator* class_itr = jsonNewIterator( order_hash );
2521             while ( (snode = jsonIteratorNext( class_itr )) ) {
2522
2523                     if (!jsonObjectGetKeyConst(selhash,class_itr->key))
2524                             continue;
2525
2526                     if ( snode->type == JSON_HASH ) {
2527
2528                         jsonIterator* order_itr = jsonNewIterator( snode );
2529                             while ( (onode = jsonIteratorNext( order_itr )) ) {
2530
2531                                     if (!oilsIDLFindPath( "/%s/fields/%s", class_itr->key, order_itr->key ))
2532                                             continue;
2533
2534                                     char* direction = NULL;
2535                                     if ( onode->type == JSON_HASH ) {
2536                                             if ( jsonObjectGetKeyConst( onode, "transform" ) ) {
2537                                                     string = searchFieldTransform(
2538                                                             class_itr->key,
2539                                                             oilsIDLFindPath( "/%s/fields/%s", class_itr->key, order_itr->key ),
2540                                                             onode
2541                                                     );
2542                                             } else {
2543                                                     growing_buffer* field_buf = buffer_init(16);
2544                                                     buffer_fadd(field_buf, "\"%s\".%s", class_itr->key, order_itr->key);
2545                                                     string = buffer_release(field_buf);
2546                                             }
2547
2548                                             if ( (tmp_const = jsonObjectGetKeyConst( onode, "direction" )) ) {
2549                                                     direction = jsonObjectToSimpleString(tmp_const);
2550                                                     if (!strncasecmp(direction, "d", 1)) {
2551                                                             free(direction);
2552                                                             direction = " DESC";
2553                                                     } else {
2554                                                             free(direction);
2555                                                             direction = " ASC";
2556                                                     }
2557                                             }
2558
2559                                     } else {
2560                                             string = strdup(order_itr->key);
2561                                             direction = jsonObjectToSimpleString(onode);
2562                                             if (!strncasecmp(direction, "d", 1)) {
2563                                                     free(direction);
2564                                                     direction = " DESC";
2565                                             } else {
2566                                                     free(direction);
2567                                                     direction = " ASC";
2568                                             }
2569                                     }
2570
2571                                     if (first) {
2572                                             first = 0;
2573                                     } else {
2574                                             buffer_add(order_buf, ", ");
2575                                     }
2576
2577                                     buffer_add(order_buf, string);
2578                                     free(string);
2579
2580                                     if (direction) {
2581                                             buffer_add(order_buf, direction);
2582                                     }
2583
2584                             }
2585                 // jsonIteratorFree(order_itr);
2586
2587                     } else if ( snode->type == JSON_ARRAY ) {
2588
2589                         jsonIterator* order_itr = jsonNewIterator( snode );
2590                             while ( (onode = jsonIteratorNext( order_itr )) ) {
2591
2592                                     char* _f = jsonObjectToSimpleString( onode );
2593
2594                                     if (!oilsIDLFindPath( "/%s/fields/%s", class_itr->key, _f))
2595                                             continue;
2596
2597                                     if (first) {
2598                                             first = 0;
2599                                     } else {
2600                                             buffer_add(order_buf, ", ");
2601                                     }
2602
2603                                     buffer_add(order_buf, _f);
2604                                     free(_f);
2605
2606                             }
2607                 // jsonIteratorFree(order_itr);
2608
2609
2610                     // IT'S THE OOOOOOOOOOOLD STYLE!
2611                     } else {
2612                             osrfLogError(OSRF_LOG_MARK, "%s: Possible SQL injection attempt; direct order by is not allowed", MODULENAME);
2613                             if (ctx) {
2614                                 osrfAppSessionStatus(
2615                                         ctx->session,
2616                                         OSRF_STATUS_INTERNALSERVERERROR,
2617                                         "osrfMethodException",
2618                                         ctx->request,
2619                                         "Severe query error -- see error log for more details"
2620                                 );
2621                             }
2622
2623                             free(core_class);
2624                             buffer_free(having_buf);
2625                             buffer_free(group_buf);
2626                             buffer_free(order_buf);
2627                             buffer_free(sql_buf);
2628                             if (defaultselhash) jsonObjectFree(defaultselhash);
2629                             jsonIteratorFree(class_itr);
2630                             return NULL;
2631                     }
2632
2633             }
2634     }
2635
2636     // jsonIteratorFree(class_itr);
2637
2638         string = buffer_release(group_buf);
2639
2640         if (strlen(string)) {
2641                 buffer_fadd(
2642                         sql_buf,
2643                         " GROUP BY %s",
2644                         string
2645                 );
2646         }
2647
2648         free(string);
2649
2650         string = buffer_release(having_buf);
2651
2652         if (strlen(string)) {
2653                 buffer_fadd(
2654                         sql_buf,
2655                         " HAVING %s",
2656                         string
2657                 );
2658         }
2659
2660         free(string);
2661
2662         string = buffer_release(order_buf);
2663
2664         if (strlen(string)) {
2665                 buffer_fadd(
2666                         sql_buf,
2667                         " ORDER BY %s",
2668                         string
2669                 );
2670         }
2671
2672         free(string);
2673
2674         if ( limit ){
2675                 string = jsonObjectToSimpleString(limit);
2676                 buffer_fadd( sql_buf, " LIMIT %d", atoi(string) );
2677                 free(string);
2678         }
2679
2680         if (offset) {
2681                 string = jsonObjectToSimpleString(offset);
2682                 buffer_fadd( sql_buf, " OFFSET %d", atoi(string) );
2683                 free(string);
2684         }
2685
2686         if (!(flags & SUBSELECT)) buffer_add(sql_buf, ";");
2687
2688         free(core_class);
2689         if (defaultselhash) jsonObjectFree(defaultselhash);
2690
2691         return buffer_release(sql_buf);
2692
2693 }
2694
2695 static char* buildSELECT ( jsonObject* search_hash, jsonObject* order_hash, osrfHash* meta, osrfMethodContext* ctx ) {
2696
2697         const char* locale = osrf_message_get_last_locale();
2698
2699         osrfHash* fields = osrfHashGet(meta, "fields");
2700         char* core_class = osrfHashGet(meta, "classname");
2701
2702         const jsonObject* join_hash = jsonObjectGetKeyConst( order_hash, "join" );
2703
2704         jsonObject* node = NULL;
2705         jsonObject* snode = NULL;
2706         jsonObject* onode = NULL;
2707         const jsonObject* _tmp = NULL;
2708         jsonObject* selhash = NULL;
2709         jsonObject* defaultselhash = NULL;
2710
2711         growing_buffer* sql_buf = buffer_init(128);
2712         growing_buffer* select_buf = buffer_init(128);
2713
2714         if ( !(selhash = jsonObjectGetKey( order_hash, "select" )) ) {
2715                 defaultselhash = jsonNewObjectType(JSON_HASH);
2716                 selhash = defaultselhash;
2717         }
2718
2719         if ( !jsonObjectGetKeyConst(selhash,core_class) ) {
2720                 jsonObjectSetKey( selhash, core_class, jsonNewObjectType(JSON_ARRAY) );
2721                 jsonObject* flist = jsonObjectGetKey( selhash, core_class );
2722
2723                 int i = 0;
2724                 char* field;
2725
2726                 osrfStringArray* keys = osrfHashKeys( fields );
2727                 while ( (field = osrfStringArrayGetString(keys, i++)) ) {
2728                         if ( strcasecmp( "true", osrfHashGet( osrfHashGet( fields, field ), "virtual" ) ) )
2729                                 jsonObjectPush( flist, jsonNewObject( field ) );
2730                 }
2731                 osrfStringArrayFree(keys);
2732         }
2733
2734         int first = 1;
2735         jsonIterator* class_itr = jsonNewIterator( selhash );
2736         while ( (snode = jsonIteratorNext( class_itr )) ) {
2737
2738                 osrfHash* idlClass = osrfHashGet( oilsIDL(), class_itr->key );
2739                 if (!idlClass) continue;
2740                 char* cname = osrfHashGet(idlClass, "classname");
2741
2742                 if (strcmp(core_class,class_itr->key)) {
2743                         if (!join_hash) continue;
2744
2745                         jsonObject* found =  jsonObjectFindPath(join_hash, "//%s", class_itr->key);
2746                         if (!found->size) {
2747                                 jsonObjectFree(found);
2748                                 continue;
2749                         }
2750
2751                         jsonObjectFree(found);
2752                 }
2753
2754                 jsonIterator* select_itr = jsonNewIterator( snode );
2755                 while ( (node = jsonIteratorNext( select_itr )) ) {
2756                         char* item_str = jsonObjectToSimpleString(node);
2757                         osrfHash* field = osrfHashGet( osrfHashGet( idlClass, "fields" ), item_str );
2758                         free(item_str);
2759                         char* fname = osrfHashGet(field, "name");
2760
2761                         if (!field) continue;
2762
2763                         if (first) {
2764                                 first = 0;
2765                         } else {
2766                                 buffer_add(select_buf, ",");
2767                         }
2768
2769             if (locale) {
2770                         char* i18n = osrfHashGet(field, "i18n");
2771                             if ( !(
2772                         jsonBoolIsTrue( jsonObjectGetKey( order_hash, "no_i18n" ) ) ||
2773                         ((int)jsonObjectGetNumber(jsonObjectGetKey( order_hash, "no_i18n" ))) == 1 // support 1/0 for perl's sake
2774                      )
2775                 ) i18n = NULL;
2776
2777                         if ( i18n && !strncasecmp("true", i18n, 4)) {
2778                         char* pkey = osrfHashGet(idlClass, "primarykey");
2779                         char* tname = osrfHashGet(idlClass, "tablename");
2780
2781                     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);
2782                 } else {
2783                                 buffer_fadd(select_buf, " \"%s\".%s", cname, fname);
2784                 }
2785             } else {
2786                             buffer_fadd(select_buf, " \"%s\".%s", cname, fname);
2787             }
2788                 }
2789
2790         jsonIteratorFree(select_itr);
2791         }
2792
2793     jsonIteratorFree(class_itr);
2794
2795         char* col_list = buffer_release(select_buf);
2796         char* table = getSourceDefinition(meta);
2797
2798         buffer_fadd(sql_buf, "SELECT %s FROM %s AS \"%s\"", col_list, table, core_class );
2799         free(col_list);
2800         free(table);
2801
2802         if ( join_hash ) {
2803                 char* join_clause = searchJOIN( join_hash, meta );
2804                 buffer_fadd(sql_buf, " %s", join_clause);
2805                 free(join_clause);
2806         }
2807
2808         char* tmpsql = buffer_data(sql_buf);
2809         osrfLogDebug(OSRF_LOG_MARK, "%s pre-predicate SQL =  %s", MODULENAME, tmpsql);
2810         free(tmpsql);
2811
2812         buffer_add(sql_buf, " WHERE ");
2813
2814         char* pred = searchWHERE( search_hash, meta, AND_OP_JOIN, ctx );
2815         if (!pred) {
2816                 osrfAppSessionStatus(
2817                         ctx->session,
2818                         OSRF_STATUS_INTERNALSERVERERROR,
2819                                 "osrfMethodException",
2820                                 ctx->request,
2821                                 "Severe query error -- see error log for more details"
2822                         );
2823                 buffer_free(sql_buf);
2824                 if(defaultselhash) jsonObjectFree(defaultselhash);
2825                 return NULL;
2826         } else {
2827                 buffer_add(sql_buf, pred);
2828                 free(pred);
2829         }
2830
2831         if (order_hash) {
2832                 char* string = NULL;
2833                 if ( (_tmp = jsonObjectGetKeyConst( order_hash, "order_by" )) ){
2834
2835                         growing_buffer* order_buf = buffer_init(128);
2836
2837                         first = 1;
2838                         jsonIterator* class_itr = jsonNewIterator( _tmp );
2839                         while ( (snode = jsonIteratorNext( class_itr )) ) {
2840
2841                                 if (!jsonObjectGetKeyConst(selhash,class_itr->key))
2842                                         continue;
2843
2844                                 if ( snode->type == JSON_HASH ) {
2845
2846                                         jsonIterator* order_itr = jsonNewIterator( snode );
2847                                         while ( (onode = jsonIteratorNext( order_itr )) ) {
2848
2849                                                 if (!oilsIDLFindPath( "/%s/fields/%s", class_itr->key, order_itr->key ))
2850                                                         continue;
2851
2852                                                 char* direction = NULL;
2853                                                 if ( onode->type == JSON_HASH ) {
2854                                                         if ( jsonObjectGetKeyConst( onode, "transform" ) ) {
2855                                                                 string = searchFieldTransform(
2856                                                                         class_itr->key,
2857                                                                         oilsIDLFindPath( "/%s/fields/%s", class_itr->key, order_itr->key ),
2858                                                                         onode
2859                                                                 );
2860                                                         } else {
2861                                                                 growing_buffer* field_buf = buffer_init(16);
2862                                                                 buffer_fadd(field_buf, "\"%s\".%s", class_itr->key, order_itr->key);
2863                                                                 string = buffer_release(field_buf);
2864                                                         }
2865
2866                                                         if ( (_tmp = jsonObjectGetKeyConst( onode, "direction" )) ) {
2867                                                                 direction = jsonObjectToSimpleString(_tmp);
2868                                                                 if (!strncasecmp(direction, "d", 1)) {
2869                                                                         free(direction);
2870                                                                         direction = " DESC";
2871                                                                 } else {
2872                                                                         free(direction);
2873                                                                         direction = " ASC";
2874                                                                 }
2875                                                         }
2876
2877                                                 } else {
2878                                                         string = strdup(order_itr->key);
2879                                                         direction = jsonObjectToSimpleString(onode);
2880                                                         if (!strncasecmp(direction, "d", 1)) {
2881                                                                 free(direction);
2882                                                                 direction = " DESC";
2883                                                         } else {
2884                                                                 free(direction);
2885                                                                 direction = " ASC";
2886                                                         }
2887                                                 }
2888
2889                                                 if (first) {
2890                                                         first = 0;
2891                                                 } else {
2892                                                         buffer_add(order_buf, ", ");
2893                                                 }
2894
2895                                                 buffer_add(order_buf, string);
2896                                                 free(string);
2897
2898                                                 if (direction) {
2899                                                         buffer_add(order_buf, direction);
2900                                                 }
2901
2902                                         }
2903
2904                     jsonIteratorFree(order_itr);
2905
2906                                 } else {
2907                                         string = jsonObjectToSimpleString(snode);
2908                                         buffer_add(order_buf, string);
2909                                         free(string);
2910                                         break;
2911                                 }
2912
2913                         }
2914
2915             jsonIteratorFree(class_itr);
2916
2917                         string = buffer_release(order_buf);
2918
2919                         if (strlen(string)) {
2920                                 buffer_fadd(
2921                                         sql_buf,
2922                                         " ORDER BY %s",
2923                                         string
2924                                 );
2925                         }
2926
2927                         free(string);
2928                 }
2929
2930                 if ( (_tmp = jsonObjectGetKeyConst( order_hash, "limit" )) ){
2931                         string = jsonObjectToSimpleString(_tmp);
2932                         buffer_fadd(
2933                                 sql_buf,
2934                                 " LIMIT %d",
2935                                 atoi(string)
2936                         );
2937                         free(string);
2938                 }
2939
2940                 _tmp = jsonObjectGetKeyConst( order_hash, "offset" );
2941                 if (_tmp) {
2942                         string = jsonObjectToSimpleString(_tmp);
2943                         buffer_fadd(
2944                                 sql_buf,
2945                                 " OFFSET %d",
2946                                 atoi(string)
2947                         );
2948                         free(string);
2949                 }
2950         }
2951
2952         if (defaultselhash) jsonObjectFree(defaultselhash);
2953
2954         buffer_add(sql_buf, ";");
2955         return buffer_release(sql_buf);
2956 }
2957
2958 int doJSONSearch ( osrfMethodContext* ctx ) {
2959         OSRF_METHOD_VERIFY_CONTEXT(ctx);
2960         osrfLogDebug(OSRF_LOG_MARK, "Recieved query request");
2961
2962         int err = 0;
2963
2964         // XXX for now...
2965         dbhandle = writehandle;
2966
2967         jsonObject* hash = jsonObjectGetIndex(ctx->params, 0);
2968
2969     int flags = 0;
2970
2971         if (jsonBoolIsTrue(jsonObjectGetKey( hash, "distinct" )))
2972          flags |= SELECT_DISTINCT;
2973
2974         if ( ((int)jsonObjectGetNumber(jsonObjectGetKey( hash, "distinct" ))) == 1 ) // support 1/0 for perl's sake
2975          flags |= SELECT_DISTINCT;
2976
2977         if (jsonBoolIsTrue(jsonObjectGetKey( hash, "no_i18n" )))
2978          flags |= DISABLE_I18N;
2979
2980         if ( ((int)jsonObjectGetNumber(jsonObjectGetKey( hash, "no_i18n" ))) == 1 ) // support 1/0 for perl's sake
2981          flags |= DISABLE_I18N;
2982
2983         osrfLogDebug(OSRF_LOG_MARK, "Building SQL ...");
2984         char* sql = SELECT(
2985                         ctx,
2986                         jsonObjectGetKey( hash, "select" ),
2987                         jsonObjectGetKey( hash, "from" ),
2988                         jsonObjectGetKey( hash, "where" ),
2989                         jsonObjectGetKey( hash, "having" ),
2990                         jsonObjectGetKey( hash, "order_by" ),
2991                         jsonObjectGetKey( hash, "limit" ),
2992                         jsonObjectGetKey( hash, "offset" ),
2993                         flags
2994         );
2995
2996         if (!sql) {
2997                 err = -1;
2998                 return err;
2999         }
3000
3001         osrfLogDebug(OSRF_LOG_MARK, "%s SQL =  %s", MODULENAME, sql);
3002         dbi_result result = dbi_conn_query(dbhandle, sql);
3003
3004         if(result) {
3005                 osrfLogDebug(OSRF_LOG_MARK, "Query returned with no errors");
3006
3007                 if (dbi_result_first_row(result)) {
3008                         /* JSONify the result */
3009                         osrfLogDebug(OSRF_LOG_MARK, "Query returned at least one row");
3010
3011                         do {
3012                                 jsonObject* return_val = oilsMakeJSONFromResult( result );
3013                                 osrfAppRespond( ctx, return_val );
3014                 jsonObjectFree( return_val );
3015                         } while (dbi_result_next_row(result));
3016
3017                 } else {
3018                         osrfLogDebug(OSRF_LOG_MARK, "%s returned no results for query %s", MODULENAME, sql);
3019                 }
3020
3021                 osrfAppRespondComplete( ctx, NULL );
3022
3023                 /* clean up the query */
3024                 dbi_result_free(result);
3025
3026         } else {
3027                 err = -1;
3028                 osrfLogError(OSRF_LOG_MARK, "%s: Error with query [%s]", MODULENAME, sql);
3029                 osrfAppSessionStatus(
3030                         ctx->session,
3031                         OSRF_STATUS_INTERNALSERVERERROR,
3032                         "osrfMethodException",
3033                         ctx->request,
3034                         "Severe query error -- see error log for more details"
3035                 );
3036         }
3037
3038         free(sql);
3039         return err;
3040 }
3041
3042 static jsonObject* doFieldmapperSearch ( osrfMethodContext* ctx, osrfHash* meta,
3043                 const jsonObject* params, int* err ) {
3044
3045         // XXX for now...
3046         dbhandle = writehandle;
3047
3048         osrfHash* links = osrfHashGet(meta, "links");
3049         osrfHash* fields = osrfHashGet(meta, "fields");
3050         char* core_class = osrfHashGet(meta, "classname");
3051         char* pkey = osrfHashGet(meta, "primarykey");
3052
3053         const jsonObject* _tmp;
3054         jsonObject* obj;
3055         jsonObject* search_hash = jsonObjectGetIndex(params, 0);
3056         jsonObject* order_hash = jsonObjectGetIndex(params, 1);
3057
3058         char* sql = buildSELECT( search_hash, order_hash, meta, ctx );
3059         if (!sql) {
3060                 *err = -1;
3061                 return NULL;
3062         }
3063
3064         osrfLogDebug(OSRF_LOG_MARK, "%s SQL =  %s", MODULENAME, sql);
3065         dbi_result result = dbi_conn_query(dbhandle, sql);
3066
3067         jsonObject* res_list = jsonNewObjectType(JSON_ARRAY);
3068         if(result) {
3069                 osrfLogDebug(OSRF_LOG_MARK, "Query returned with no errors");
3070                 osrfHash* dedup = osrfNewHash();
3071
3072                 if (dbi_result_first_row(result)) {
3073                         /* JSONify the result */
3074                         osrfLogDebug(OSRF_LOG_MARK, "Query returned at least one row");
3075                         do {
3076                                 obj = oilsMakeFieldmapperFromResult( result, meta );
3077                                 char* pkey_val = oilsFMGetString( obj, pkey );
3078                                 if ( osrfHashGet( dedup, pkey_val ) ) {
3079                                         jsonObjectFree(obj);
3080                                         free(pkey_val);
3081                                 } else {
3082                                         osrfHashSet( dedup, pkey_val, pkey_val );
3083                                         jsonObjectPush(res_list, obj);
3084                                 }
3085                         } while (dbi_result_next_row(result));
3086                 } else {
3087                         osrfLogDebug(OSRF_LOG_MARK, "%s returned no results for query %s", MODULENAME, sql);
3088                 }
3089
3090                 osrfHashFree(dedup);
3091
3092                 /* clean up the query */
3093                 dbi_result_free(result);
3094
3095         } else {
3096                 osrfLogError(OSRF_LOG_MARK, "%s: Error retrieving %s with query [%s]", MODULENAME, osrfHashGet(meta, "fieldmapper"), sql);
3097                 osrfAppSessionStatus(
3098                         ctx->session,
3099                         OSRF_STATUS_INTERNALSERVERERROR,
3100                         "osrfMethodException",
3101                         ctx->request,
3102                         "Severe query error -- see error log for more details"
3103                 );
3104                 *err = -1;
3105                 free(sql);
3106                 jsonObjectFree(res_list);
3107                 return jsonNULL;
3108
3109         }
3110
3111         free(sql);
3112
3113         if (res_list->size && order_hash) {
3114                 _tmp = jsonObjectGetKeyConst( order_hash, "flesh" );
3115                 if (_tmp) {
3116                         int x = (int)jsonObjectGetNumber(_tmp);
3117                         if (x == -1 || x > max_flesh_depth) x = max_flesh_depth;
3118
3119                         const jsonObject* temp_blob;
3120                         if ((temp_blob = jsonObjectGetKeyConst( order_hash, "flesh_fields" )) && x > 0) {
3121
3122                                 jsonObject* flesh_blob = jsonObjectClone( temp_blob );
3123                                 const jsonObject* flesh_fields = jsonObjectGetKeyConst( flesh_blob, core_class );
3124
3125                                 osrfStringArray* link_fields = NULL;
3126
3127                                 if (flesh_fields) {
3128                                         if (flesh_fields->size == 1) {
3129                                                 char* _t = jsonObjectToSimpleString( jsonObjectGetIndex( flesh_fields, 0 ) );
3130                                                 if (!strcmp(_t,"*")) link_fields = osrfHashKeys( links );
3131                                                 free(_t);
3132                                         }
3133
3134                                         if (!link_fields) {
3135                                                 jsonObject* _f;
3136                                                 link_fields = osrfNewStringArray(1);
3137                                                 jsonIterator* _i = jsonNewIterator( flesh_fields );
3138                                                 while ((_f = jsonIteratorNext( _i ))) {
3139                                                         osrfStringArrayAdd( link_fields, jsonObjectToSimpleString( _f ) );
3140                                                 }
3141                         jsonIteratorFree(_i);
3142                                         }
3143                                 }
3144
3145                                 jsonObject* cur;
3146                                 jsonIterator* itr = jsonNewIterator( res_list );
3147                                 while ((cur = jsonIteratorNext( itr ))) {
3148
3149                                         int i = 0;
3150                                         char* link_field;
3151
3152                                         while ( (link_field = osrfStringArrayGetString(link_fields, i++)) ) {
3153
3154                                                 osrfLogDebug(OSRF_LOG_MARK, "Starting to flesh %s", link_field);
3155
3156                                                 osrfHash* kid_link = osrfHashGet(links, link_field);
3157                                                 if (!kid_link) continue;
3158
3159                                                 osrfHash* field = osrfHashGet(fields, link_field);
3160                                                 if (!field) continue;
3161
3162                                                 osrfHash* value_field = field;
3163
3164                                                 osrfHash* kid_idl = osrfHashGet(oilsIDL(), osrfHashGet(kid_link, "class"));
3165                                                 if (!kid_idl) continue;
3166
3167                                                 if (!(strcmp( osrfHashGet(kid_link, "reltype"), "has_many" ))) { // has_many
3168                                                         value_field = osrfHashGet( fields, osrfHashGet(meta, "primarykey") );
3169                                                 }
3170
3171                                                 if (!(strcmp( osrfHashGet(kid_link, "reltype"), "might_have" ))) { // might_have
3172                                                         value_field = osrfHashGet( fields, osrfHashGet(meta, "primarykey") );
3173                                                 }
3174
3175                                                 osrfStringArray* link_map = osrfHashGet( kid_link, "map" );
3176
3177                                                 if (link_map->size > 0) {
3178                                                         jsonObject* _kid_key = jsonNewObjectType(JSON_ARRAY);
3179                                                         jsonObjectPush(
3180                                                                 _kid_key,
3181                                                                 jsonNewObject( osrfStringArrayGetString( link_map, 0 ) )
3182                                                         );
3183
3184                                                         jsonObjectSetKey(
3185                                                                 flesh_blob,
3186                                                                 osrfHashGet(kid_link, "class"),
3187                                                                 _kid_key
3188                                                         );
3189                                                 };
3190
3191                                                 osrfLogDebug(
3192                                                         OSRF_LOG_MARK,
3193                                                         "Link field: %s, remote class: %s, fkey: %s, reltype: %s",
3194                                                         osrfHashGet(kid_link, "field"),
3195                                                         osrfHashGet(kid_link, "class"),
3196                                                         osrfHashGet(kid_link, "key"),
3197                                                         osrfHashGet(kid_link, "reltype")
3198                                                 );
3199
3200                                                 jsonObject* fake_params = jsonNewObjectType(JSON_ARRAY);
3201                                                 jsonObjectPush(fake_params, jsonNewObjectType(JSON_HASH)); // search hash
3202                                                 jsonObjectPush(fake_params, jsonNewObjectType(JSON_HASH)); // order/flesh hash
3203
3204                                                 osrfLogDebug(OSRF_LOG_MARK, "Creating dummy params object...");
3205
3206                                                 char* search_key =
3207                                                 jsonObjectToSimpleString(
3208                                                         jsonObjectGetIndex(
3209                                                                 cur,
3210                                                                 atoi( osrfHashGet(value_field, "array_position") )
3211                                                         )
3212                                                 );
3213
3214                                                 if (!search_key) {
3215                                                         osrfLogDebug(OSRF_LOG_MARK, "Nothing to search for!");
3216                                                         continue;
3217                                                 }
3218
3219                                                 jsonObjectSetKey(
3220                                                         jsonObjectGetIndex(fake_params, 0),
3221                                                         osrfHashGet(kid_link, "key"),
3222                                                         jsonNewObject( search_key )
3223                                                 );
3224
3225                                                 free(search_key);
3226
3227
3228                                                 jsonObjectSetKey(
3229                                                         jsonObjectGetIndex(fake_params, 1),
3230                                                         "flesh",
3231                                                         jsonNewNumberObject( (double)(x - 1 + link_map->size) )
3232                                                 );
3233
3234                                                 if (flesh_blob)
3235                                                         jsonObjectSetKey( jsonObjectGetIndex(fake_params, 1), "flesh_fields", jsonObjectClone(flesh_blob) );
3236
3237                                                 if (jsonObjectGetKeyConst(order_hash, "order_by")) {
3238                                                         jsonObjectSetKey(
3239                                                                 jsonObjectGetIndex(fake_params, 1),
3240                                                                 "order_by",
3241                                                                 jsonObjectClone(jsonObjectGetKeyConst(order_hash, "order_by"))
3242                                                         );
3243                                                 }
3244
3245                                                 if (jsonObjectGetKeyConst(order_hash, "select")) {
3246                                                         jsonObjectSetKey(
3247                                                                 jsonObjectGetIndex(fake_params, 1),
3248                                                                 "select",
3249                                                                 jsonObjectClone(jsonObjectGetKeyConst(order_hash, "select"))
3250                                                         );
3251                                                 }
3252
3253                                                 jsonObject* kids = doFieldmapperSearch(ctx, kid_idl, fake_params, err);
3254
3255                                                 if(*err) {
3256                                                         jsonObjectFree( fake_params );
3257                                                         osrfStringArrayFree(link_fields);
3258                                                         jsonIteratorFree(itr);
3259                                                         jsonObjectFree(res_list);
3260                                                         jsonObjectFree(flesh_blob);
3261                                                         return jsonNULL;
3262                                                 }
3263
3264                                                 osrfLogDebug(OSRF_LOG_MARK, "Search for %s return %d linked objects", osrfHashGet(kid_link, "class"), kids->size);
3265
3266                                                 jsonObject* X = NULL;
3267                                                 if ( link_map->size > 0 && kids->size > 0 ) {
3268                                                         X = kids;
3269                                                         kids = jsonNewObjectType(JSON_ARRAY);
3270
3271                                                         jsonObject* _k_node;
3272                                                         jsonIterator* _k = jsonNewIterator( X );
3273                                                         while ((_k_node = jsonIteratorNext( _k ))) {
3274                                                                 jsonObjectPush(
3275                                                                         kids,
3276                                                                         jsonObjectClone(
3277                                                                                 jsonObjectGetIndex(
3278                                                                                         _k_node,
3279                                                                                         (unsigned long)atoi(
3280                                                                                                 osrfHashGet(
3281                                                                                                         osrfHashGet(
3282                                                                                                                 osrfHashGet(
3283                                                                                                                         osrfHashGet(
3284                                                                                                                                 oilsIDL(),
3285                                                                                                                                 osrfHashGet(kid_link, "class")
3286                                                                                                                         ),
3287                                                                                                                         "fields"
3288                                                                                                                 ),
3289                                                                                                                 osrfStringArrayGetString( link_map, 0 )
3290                                                                                                         ),
3291                                                                                                         "array_position"
3292                                                                                                 )
3293                                                                                         )
3294                                                                                 )
3295                                                                         )
3296                                                                 );
3297                                                         }
3298                                                         jsonIteratorFree(_k);
3299                                                 }
3300
3301                                                 if (!(strcmp( osrfHashGet(kid_link, "reltype"), "has_a" )) || !(strcmp( osrfHashGet(kid_link, "reltype"), "might_have" ))) {
3302                                                         osrfLogDebug(OSRF_LOG_MARK, "Storing fleshed objects in %s", osrfHashGet(kid_link, "field"));
3303                                                         jsonObjectSetIndex(
3304                                                                 cur,
3305                                                                 (unsigned long)atoi( osrfHashGet( field, "array_position" ) ),
3306                                                                 jsonObjectClone( jsonObjectGetIndex(kids, 0) )
3307                                                         );
3308                                                 }
3309
3310                                                 if (!(strcmp( osrfHashGet(kid_link, "reltype"), "has_many" ))) { // has_many
3311                                                         osrfLogDebug(OSRF_LOG_MARK, "Storing fleshed objects in %s", osrfHashGet(kid_link, "field"));
3312                                                         jsonObjectSetIndex(
3313                                                                 cur,
3314                                                                 (unsigned long)atoi( osrfHashGet( field, "array_position" ) ),
3315                                                                 jsonObjectClone( kids )
3316                                                         );
3317                                                 }
3318
3319                                                 if (X) {
3320                                                         jsonObjectFree(kids);
3321                                                         kids = X;
3322                                                 }
3323
3324                                                 jsonObjectFree( kids );
3325                                                 jsonObjectFree( fake_params );
3326
3327                                                 osrfLogDebug(OSRF_LOG_MARK, "Fleshing of %s complete", osrfHashGet(kid_link, "field"));
3328                                                 osrfLogDebug(OSRF_LOG_MARK, "%s", jsonObjectToJSON(cur));
3329
3330                                         }
3331                                 }
3332                                 jsonObjectFree( flesh_blob );
3333                                 osrfStringArrayFree(link_fields);
3334                                 jsonIteratorFree(itr);
3335                         }
3336                 }
3337         }
3338
3339         return res_list;
3340 }
3341
3342
3343 static jsonObject* doUpdate(osrfMethodContext* ctx, int* err ) {
3344
3345         osrfHash* meta = osrfHashGet( (osrfHash*) ctx->method->userData, "class" );
3346 #ifdef PCRUD
3347         jsonObject* target = jsonObjectGetIndex( ctx->params, 1 );
3348 #else
3349         jsonObject* target = jsonObjectGetIndex( ctx->params, 0 );
3350 #endif
3351
3352         if (!verifyObjectClass(ctx, target)) {
3353                 *err = -1;
3354                 return jsonNULL;
3355         }
3356
3357         if (!osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )) {
3358                 osrfAppSessionStatus(
3359                         ctx->session,
3360                         OSRF_STATUS_BADREQUEST,
3361                         "osrfMethodException",
3362                         ctx->request,
3363                         "No active transaction -- required for UPDATE"
3364                 );
3365                 *err = -1;
3366                 return jsonNULL;
3367         }
3368
3369         if (osrfHashGet( meta, "readonly" ) && strncasecmp("true", osrfHashGet( meta, "readonly" ), 4)) {
3370                 osrfAppSessionStatus(
3371                         ctx->session,
3372                         OSRF_STATUS_BADREQUEST,
3373                         "osrfMethodException",
3374                         ctx->request,
3375                         "Cannot UPDATE readonly class"
3376                 );
3377                 *err = -1;
3378                 return jsonNULL;
3379         }
3380
3381         dbhandle = writehandle;
3382
3383         char* trans_id = osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" );
3384
3385         // Set the last_xact_id
3386         int index = oilsIDL_ntop( target->classname, "last_xact_id" );
3387         if (index > -1) {
3388                 osrfLogDebug(OSRF_LOG_MARK, "Setting last_xact_id to %s on %s at position %d", trans_id, target->classname, index);
3389                 jsonObjectSetIndex(target, index, jsonNewObject(trans_id));
3390         }
3391
3392         char* pkey = osrfHashGet(meta, "primarykey");
3393         osrfHash* fields = osrfHashGet(meta, "fields");
3394
3395         char* id = oilsFMGetString( target, pkey );
3396
3397         osrfLogDebug(
3398                 OSRF_LOG_MARK,
3399                 "%s updating %s object with %s = %s",
3400                 MODULENAME,
3401                 osrfHashGet(meta, "fieldmapper"),
3402                 pkey,
3403                 id
3404         );
3405
3406         growing_buffer* sql = buffer_init(128);
3407         buffer_fadd(sql,"UPDATE %s SET", osrfHashGet(meta, "tablename"));
3408
3409         int i = 0;
3410         int first = 1;
3411         char* field_name;
3412         osrfStringArray* field_list = osrfHashKeys( fields );
3413         while ( (field_name = osrfStringArrayGetString(field_list, i++)) ) {
3414
3415                 osrfHash* field = osrfHashGet( fields, field_name );
3416
3417                 if(!( strcmp( field_name, pkey ) )) continue;
3418                 if(!( strcmp( osrfHashGet(osrfHashGet(fields,field_name), "virtual"), "true" ) )) continue;
3419
3420                 const jsonObject* field_object = oilsFMGetObject( target, field_name );
3421
3422                 char* value;
3423                 if (field_object && field_object->classname) {
3424                         value = oilsFMGetString(
3425                                 field_object,
3426                                 (char*)oilsIDLFindPath("/%s/primarykey", field_object->classname)
3427             );
3428                 } else {
3429                         value = jsonObjectToSimpleString( field_object );
3430                 }
3431
3432                 osrfLogDebug( OSRF_LOG_MARK, "Updating %s object with %s = %s", osrfHashGet(meta, "fieldmapper"), field_name, value);
3433
3434                 if (!field_object || field_object->type == JSON_NULL) {
3435                         if ( !(!( strcmp( osrfHashGet(meta, "classname"), "au" ) ) && !( strcmp( field_name, "passwd" ) )) ) { // arg at the special case!
3436                                 if (first) first = 0;
3437                                 else buffer_add(sql, ",");
3438                                 buffer_fadd( sql, " %s = NULL", field_name );
3439                         }
3440
3441                 } else if ( !strcmp(osrfHashGet(field, "primitive"), "number") ) {
3442                         if (first) first = 0;
3443                         else buffer_add(sql, ",");
3444
3445                         if ( !strncmp(osrfHashGet(field, "datatype"), "INT", (size_t)3) ) {
3446                                 buffer_fadd( sql, " %s = %ld", field_name, atol(value) );
3447                         } else if ( !strcmp(osrfHashGet(field, "datatype"), "NUMERIC") ) {
3448                                 buffer_fadd( sql, " %s = %f", field_name, atof(value) );
3449                         }
3450
3451                         osrfLogDebug( OSRF_LOG_MARK, "%s is of type %s", field_name, osrfHashGet(field, "datatype"));
3452
3453                 } else {
3454                         if ( dbi_conn_quote_string(dbhandle, &value) ) {
3455                                 if (first) first = 0;
3456                                 else buffer_add(sql, ",");
3457                                 buffer_fadd( sql, " %s = %s", field_name, value );
3458
3459                         } else {
3460                                 osrfLogError(OSRF_LOG_MARK, "%s: Error quoting string [%s]", MODULENAME, value);
3461                                 osrfAppSessionStatus(
3462                                         ctx->session,
3463                                         OSRF_STATUS_INTERNALSERVERERROR,
3464                                         "osrfMethodException",
3465                                         ctx->request,
3466                                         "Error quoting string -- please see the error log for more details"
3467                                 );
3468                                 free(value);
3469                                 free(id);
3470                                 buffer_free(sql);
3471                                 *err = -1;
3472                                 return jsonNULL;
3473                         }
3474                 }
3475
3476                 free(value);
3477
3478         }
3479
3480         jsonObject* obj = jsonParseString(id);
3481
3482         if ( strcmp( osrfHashGet( osrfHashGet( osrfHashGet(meta, "fields"), pkey ), "primitive" ), "number" ) )
3483                 dbi_conn_quote_string(dbhandle, &id);
3484
3485         buffer_fadd( sql, " WHERE %s = %s;", pkey, id );
3486
3487         char* query = buffer_release(sql);
3488         osrfLogDebug(OSRF_LOG_MARK, "%s: Update SQL [%s]", MODULENAME, query);
3489
3490         dbi_result result = dbi_conn_query(dbhandle, query);
3491         free(query);
3492
3493         if (!result) {
3494                 jsonObjectFree(obj);
3495                 obj = jsonNewObject(NULL);
3496                 osrfLogError(
3497                         OSRF_LOG_MARK,
3498                         "%s ERROR updating %s object with %s = %s",
3499                         MODULENAME,
3500                         osrfHashGet(meta, "fieldmapper"),
3501                         pkey,
3502                         id
3503                 );
3504         }
3505
3506         free(id);
3507
3508         return obj;
3509 }
3510
3511 static jsonObject* doDelete(osrfMethodContext* ctx, int* err ) {
3512
3513         osrfHash* meta = osrfHashGet( (osrfHash*) ctx->method->userData, "class" );
3514
3515         if (!osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )) {
3516                 osrfAppSessionStatus(
3517                         ctx->session,
3518                         OSRF_STATUS_BADREQUEST,
3519                         "osrfMethodException",
3520                         ctx->request,
3521                         "No active transaction -- required for DELETE"
3522                 );
3523                 *err = -1;
3524                 return jsonNULL;
3525         }
3526
3527         if (osrfHashGet( meta, "readonly" ) && strncasecmp("true", osrfHashGet( meta, "readonly" ), 4)) {
3528                 osrfAppSessionStatus(
3529                         ctx->session,
3530                         OSRF_STATUS_BADREQUEST,
3531                         "osrfMethodException",
3532                         ctx->request,
3533                         "Cannot DELETE readonly class"
3534                 );
3535                 *err = -1;
3536                 return jsonNULL;
3537         }
3538
3539         dbhandle = writehandle;
3540
3541         jsonObject* obj;
3542
3543         char* pkey = osrfHashGet(meta, "primarykey");
3544
3545         int _obj_pos = 0;
3546 #ifdef PCRUD
3547                 _obj_pos = 1;
3548 #endif
3549
3550         char* id;
3551         if (jsonObjectGetIndex(ctx->params, _obj_pos)->classname) {
3552                 if (!verifyObjectClass(ctx, jsonObjectGetIndex( ctx->params, _obj_pos ))) {
3553                         *err = -1;
3554                         return jsonNULL;
3555                 }
3556
3557                 id = oilsFMGetString( jsonObjectGetIndex(ctx->params, _obj_pos), pkey );
3558         } else {
3559 #ifdef PCRUD
3560         if (!verifyObjectPCRUD( ctx, NULL )) {
3561                         *err = -1;
3562                         return jsonNULL;
3563         }
3564 #endif
3565                 id = jsonObjectToSimpleString(jsonObjectGetIndex(ctx->params, _obj_pos));
3566         }
3567
3568         osrfLogDebug(
3569                 OSRF_LOG_MARK,
3570                 "%s deleting %s object with %s = %s",
3571                 MODULENAME,
3572                 osrfHashGet(meta, "fieldmapper"),
3573                 pkey,
3574                 id
3575         );
3576
3577         obj = jsonParseString(id);
3578
3579         if ( strcmp( osrfHashGet( osrfHashGet( osrfHashGet(meta, "fields"), pkey ), "primitive" ), "number" ) )
3580                 dbi_conn_quote_string(writehandle, &id);
3581
3582         dbi_result result = dbi_conn_queryf(writehandle, "DELETE FROM %s WHERE %s = %s;", osrfHashGet(meta, "tablename"), pkey, id);
3583
3584         if (!result) {
3585                 jsonObjectFree(obj);
3586                 obj = jsonNewObject(NULL);
3587                 osrfLogError(
3588                         OSRF_LOG_MARK,
3589                         "%s ERROR deleting %s object with %s = %s",
3590                         MODULENAME,
3591                         osrfHashGet(meta, "fieldmapper"),
3592                         pkey,
3593                         id
3594                 );
3595         }
3596
3597         free(id);
3598
3599         return obj;
3600
3601 }
3602
3603
3604 static jsonObject* oilsMakeFieldmapperFromResult( dbi_result result, osrfHash* meta) {
3605         if(!(result && meta)) return jsonNULL;
3606
3607         jsonObject* object = jsonNewObject(NULL);
3608         jsonObjectSetClass(object, osrfHashGet(meta, "classname"));
3609
3610         osrfHash* fields = osrfHashGet(meta, "fields");
3611
3612         osrfLogInternal(OSRF_LOG_MARK, "Setting object class to %s ", object->classname);
3613
3614         osrfHash* _f;
3615         time_t _tmp_dt;
3616         char dt_string[256];
3617         struct tm gmdt;
3618
3619         int fmIndex;
3620         int columnIndex = 1;
3621         int attr;
3622         unsigned short type;
3623         const char* columnName;
3624
3625         /* cycle through the column list */
3626         while( (columnName = dbi_result_get_field_name(result, columnIndex++)) ) {
3627
3628                 osrfLogInternal(OSRF_LOG_MARK, "Looking for column named [%s]...", (char*)columnName);
3629
3630                 fmIndex = -1; // reset the position
3631
3632                 /* determine the field type and storage attributes */
3633                 type = dbi_result_get_field_type(result, columnName);
3634                 attr = dbi_result_get_field_attribs(result, columnName);
3635
3636                 /* fetch the fieldmapper index */
3637                 if( (_f = osrfHashGet(fields, (char*)columnName)) ) {
3638                         char* virt = (char*)osrfHashGet(_f, "virtual");
3639                         char* pos = (char*)osrfHashGet(_f, "array_position");
3640
3641                         if ( !virt || !pos || !(strcmp( virt, "true" )) ) continue;
3642
3643                         fmIndex = atoi( pos );
3644                         osrfLogInternal(OSRF_LOG_MARK, "... Found column at position [%s]...", pos);
3645                 } else {
3646                         continue;
3647                 }
3648
3649                 if (dbi_result_field_is_null(result, columnName)) {
3650                         jsonObjectSetIndex( object, fmIndex, jsonNewObject(NULL) );
3651                 } else {
3652
3653                         switch( type ) {
3654
3655                                 case DBI_TYPE_INTEGER :
3656
3657                                         if( attr & DBI_INTEGER_SIZE8 )
3658                                                 jsonObjectSetIndex( object, fmIndex,
3659                                                         jsonNewNumberObject(dbi_result_get_longlong(result, columnName)));
3660                                         else
3661                                                 jsonObjectSetIndex( object, fmIndex,
3662                                                         jsonNewNumberObject(dbi_result_get_int(result, columnName)));
3663
3664                                         break;
3665
3666                                 case DBI_TYPE_DECIMAL :
3667                                         jsonObjectSetIndex( object, fmIndex,
3668                                                         jsonNewNumberObject(dbi_result_get_double(result, columnName)));
3669                                         break;
3670
3671                                 case DBI_TYPE_STRING :
3672
3673
3674                                         jsonObjectSetIndex(
3675                                                 object,
3676                                                 fmIndex,
3677                                                 jsonNewObject( dbi_result_get_string(result, columnName) )
3678                                         );
3679
3680                                         break;
3681
3682                                 case DBI_TYPE_DATETIME :
3683
3684                                         memset(dt_string, '\0', sizeof(dt_string));
3685                                         memset(&gmdt, '\0', sizeof(gmdt));
3686
3687                                         _tmp_dt = dbi_result_get_datetime(result, columnName);
3688
3689
3690                                         if (!(attr & DBI_DATETIME_DATE)) {
3691                                                 gmtime_r( &_tmp_dt, &gmdt );
3692                                                 strftime(dt_string, sizeof(dt_string), "%T", &gmdt);
3693                                         } else if (!(attr & DBI_DATETIME_TIME)) {
3694                                                 localtime_r( &_tmp_dt, &gmdt );
3695                                                 strftime(dt_string, sizeof(dt_string), "%F", &gmdt);
3696                                         } else {
3697                                                 localtime_r( &_tmp_dt, &gmdt );
3698                                                 strftime(dt_string, sizeof(dt_string), "%FT%T%z", &gmdt);
3699                                         }
3700
3701                                         jsonObjectSetIndex( object, fmIndex, jsonNewObject(dt_string) );
3702
3703                                         break;
3704
3705                                 case DBI_TYPE_BINARY :
3706                                         osrfLogError( OSRF_LOG_MARK,
3707                                                 "Can't do binary at column %s : index %d", columnName, columnIndex - 1);
3708                         }
3709                 }
3710         }
3711
3712         return object;
3713 }
3714
3715 static jsonObject* oilsMakeJSONFromResult( dbi_result result ) {
3716         if(!result) return jsonNULL;
3717
3718         jsonObject* object = jsonNewObject(NULL);
3719
3720         time_t _tmp_dt;
3721         char dt_string[256];
3722         struct tm gmdt;
3723
3724         int fmIndex;
3725         int columnIndex = 1;
3726         int attr;
3727         unsigned short type;
3728         const char* columnName;
3729
3730         /* cycle through the column list */
3731         while( (columnName = dbi_result_get_field_name(result, columnIndex++)) ) {
3732
3733                 osrfLogInternal(OSRF_LOG_MARK, "Looking for column named [%s]...", (char*)columnName);
3734
3735                 fmIndex = -1; // reset the position
3736
3737                 /* determine the field type and storage attributes */
3738                 type = dbi_result_get_field_type(result, columnName);
3739                 attr = dbi_result_get_field_attribs(result, columnName);
3740
3741                 if (dbi_result_field_is_null(result, columnName)) {
3742                         jsonObjectSetKey( object, columnName, jsonNewObject(NULL) );
3743                 } else {
3744
3745                         switch( type ) {
3746
3747                                 case DBI_TYPE_INTEGER :
3748
3749                                         if( attr & DBI_INTEGER_SIZE8 )
3750                                                 jsonObjectSetKey( object, columnName, jsonNewNumberObject(dbi_result_get_longlong(result, columnName)) );
3751                                         else
3752                                                 jsonObjectSetKey( object, columnName, jsonNewNumberObject(dbi_result_get_int(result, columnName)) );
3753                                         break;
3754
3755                                 case DBI_TYPE_DECIMAL :
3756                                         jsonObjectSetKey( object, columnName, jsonNewNumberObject(dbi_result_get_double(result, columnName)) );
3757                                         break;
3758
3759                                 case DBI_TYPE_STRING :
3760                                         jsonObjectSetKey( object, columnName, jsonNewObject(dbi_result_get_string(result, columnName)) );
3761                                         break;
3762
3763                                 case DBI_TYPE_DATETIME :
3764
3765                                         memset(dt_string, '\0', sizeof(dt_string));
3766                                         memset(&gmdt, '\0', sizeof(gmdt));
3767
3768                                         _tmp_dt = dbi_result_get_datetime(result, columnName);
3769
3770
3771                                         if (!(attr & DBI_DATETIME_DATE)) {
3772                                                 gmtime_r( &_tmp_dt, &gmdt );
3773                                                 strftime(dt_string, sizeof(dt_string), "%T", &gmdt);
3774                                         } else if (!(attr & DBI_DATETIME_TIME)) {
3775                                                 localtime_r( &_tmp_dt, &gmdt );
3776                                                 strftime(dt_string, sizeof(dt_string), "%F", &gmdt);
3777                                         } else {
3778                                                 localtime_r( &_tmp_dt, &gmdt );
3779                                                 strftime(dt_string, sizeof(dt_string), "%FT%T%z", &gmdt);
3780                                         }
3781
3782                                         jsonObjectSetKey( object, columnName, jsonNewObject(dt_string) );
3783                                         break;
3784
3785                                 case DBI_TYPE_BINARY :
3786                                         osrfLogError( OSRF_LOG_MARK,
3787                                                 "Can't do binary at column %s : index %d", columnName, columnIndex - 1);
3788                         }
3789                 }
3790         }
3791
3792         return object;
3793 }
3794