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

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