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

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