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

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