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

   1 #include "opensrf/osrf_application.h"
   2 #include "opensrf/osrf_settings.h"
   3 #include "opensrf/osrf_message.h"
   4 #include "opensrf/utils.h"
   5 #include "opensrf/osrf_json.h"
   6 #include "opensrf/log.h"
   7 #include "openils/oils_utils.h"
   8 #include <dbi/dbi.h>
   9
  10 #include <time.h>
  11 #include <stdlib.h>
  12 #include <string.h>
  13 #include <unistd.h>
  14
  15 #ifdef RSTORE
  16 #  define MODULENAME "open-ils.reporter-store"
  17 #else
  18 #  ifdef PCRUD
  19 #    define MODULENAME "open-ils.pcrud"
  20 #  else
  21 #    define MODULENAME "open-ils.cstore"
  22 #  endif
  23 #endif
  24
  25 #define SUBSELECT       4
  26 #define DISABLE_I18N    2
  27 #define SELECT_DISTINCT 1
  28 #define AND_OP_JOIN     0
  29 #define OR_OP_JOIN      1
  30
  31 int osrfAppChildInit();
  32 int osrfAppInitialize();
  33 void osrfAppChildExit();
  34
  35 static int verifyObjectClass ( osrfMethodContext*, const jsonObject* );
  36
  37 int beginTransaction ( osrfMethodContext* );
  38 int commitTransaction ( osrfMethodContext* );
  39 int rollbackTransaction ( osrfMethodContext* );
  40
  41 int setSavepoint ( osrfMethodContext* );
  42 int releaseSavepoint ( osrfMethodContext* );
  43 int rollbackSavepoint ( osrfMethodContext* );
  44
  45 int doJSONSearch ( osrfMethodContext* );
  46
  47 int dispatchCRUDMethod ( osrfMethodContext* );
  48 static jsonObject* doCreate ( osrfMethodContext*, int* );
  49 static jsonObject* doRetrieve ( osrfMethodContext*, int* );
  50 static jsonObject* doUpdate ( osrfMethodContext*, int* );
  51 static jsonObject* doDelete ( osrfMethodContext*, int* );
  52 static jsonObject* doFieldmapperSearch ( osrfMethodContext*, osrfHash*,
  53         const jsonObject*, int* );
  54 static jsonObject* oilsMakeFieldmapperFromResult( dbi_result, osrfHash* );
  55 static jsonObject* oilsMakeJSONFromResult( dbi_result );
  56
  57 static char* searchWriteSimplePredicate ( const char*, osrfHash*,
  58         const char*, const char*, const char* );
  59 static char* searchSimplePredicate ( const char*, const char*, osrfHash*, const jsonObject* );
  60 static char* searchFunctionPredicate ( const char*, osrfHash*, const jsonObject*, const char* );
  61 static char* searchFieldTransform ( const char*, osrfHash*, const jsonObject*);
  62 static char* searchFieldTransformPredicate ( const char*, osrfHash*, jsonObject*, const char* );
  63 static char* searchBETWEENPredicate ( const char*, osrfHash*, jsonObject* );
  64 static char* searchINPredicate ( const char*, osrfHash*, const jsonObject*, const char* );
  65 static char* searchPredicate ( const char*, osrfHash*, jsonObject* );
  66 static char* searchJOIN ( const jsonObject*, osrfHash* );
  67 static char* searchWHERE ( const jsonObject*, osrfHash*, int, osrfMethodContext* );
  68 static char* buildSELECT ( jsonObject*, jsonObject*, osrfHash*, osrfMethodContext* );
  69
  70 static char* SELECT ( osrfMethodContext*, jsonObject*, jsonObject*, jsonObject*, jsonObject*, jsonObject*, jsonObject*, jsonObject*, int );
  71
  72 void userDataFree( void* );
  73 static void sessionDataFree( char*, void* );
  74 static char* getSourceDefinition( osrfHash* );
  75
  76 #ifdef PCRUD
  77 static int verifyObjectPCRUD( osrfMethodContext*, const jsonObject* );
  78 #endif
  79
  80 static dbi_conn writehandle; /* our MASTER db connection */
  81 static dbi_conn dbhandle; /* our CURRENT db connection */
  82 //static osrfHash * readHandles;
  83 static jsonObject* jsonNULL = NULL; //
  84 static int max_flesh_depth = 100;
  85
  86 /* called when this process is about to exit */
  87 void osrfAppChildExit() {
  88     osrfLogDebug(OSRF_LOG_MARK, "Child is exiting, disconnecting from database...");
  89
  90     int same = 0;
  91     if (writehandle == dbhandle) same = 1;
  92     if (writehandle) {
  93         dbi_conn_query(writehandle, "ROLLBACK;");
  94         dbi_conn_close(writehandle);
  95         writehandle = NULL;
  96     }
  97     if (dbhandle && !same)
  98         dbi_conn_close(dbhandle);
  99
 100     // XXX add cleanup of readHandles whenever that gets used
 101
 102     return;
 103 }
 104
 105 int osrfAppInitialize() {
 106
 107     osrfLogInfo(OSRF_LOG_MARK, "Initializing the CStore Server...");
 108     osrfLogInfo(OSRF_LOG_MARK, "Finding XML file...");
 109
 110     if (!oilsIDLInit( osrf_settings_host_value("/IDL") )) return 1; /* return non-zero to indicate error */
 111
 112     char* method_str = NULL;
 113     growing_buffer* method_name = buffer_init(64);
 114 #ifndef PCRUD
 115     // Generic search thingy
 116     buffer_fadd(method_name, "%s.json_query", MODULENAME);
 117     method_str = buffer_data(method_name);
 118     osrfAppRegisterMethod( MODULENAME, method_str, "doJSONSearch", "", 1, OSRF_METHOD_STREAMING );
 119     free(method_str);
 120 #endif
 121
 122     // first we register all the transaction and savepoint methods
 123     buffer_reset(method_name);
 124     buffer_fadd(method_name, "%s.transaction.begin", MODULENAME);
 125     method_str = buffer_data(method_name);
 126     osrfAppRegisterMethod( MODULENAME, method_str, "beginTransaction", "", 0, 0 );
 127     free(method_str);
 128
 129     buffer_reset(method_name);
 130     buffer_fadd(method_name, "%s.transaction.commit", MODULENAME);
 131     method_str = buffer_data(method_name);
 132     osrfAppRegisterMethod( MODULENAME, method_str, "commitTransaction", "", 0, 0 );
 133     free(method_str);
 134
 135     buffer_reset(method_name);
 136     buffer_fadd(method_name, "%s.transaction.rollback", MODULENAME);
 137     method_str = buffer_data(method_name);
 138     osrfAppRegisterMethod( MODULENAME, method_str, "rollbackTransaction", "", 0, 0 );
 139     free(method_str);
 140
 141     buffer_reset(method_name);
 142     buffer_fadd(method_name, "%s.savepoint.set", MODULENAME);
 143     method_str = buffer_data(method_name);
 144     osrfAppRegisterMethod( MODULENAME, method_str, "setSavepoint", "", 1, 0 );
 145     free(method_str);
 146
 147     buffer_reset(method_name);
 148     buffer_fadd(method_name, "%s.savepoint.release", MODULENAME);
 149     method_str = buffer_data(method_name);
 150     osrfAppRegisterMethod( MODULENAME, method_str, "releaseSavepoint", "", 1, 0 );
 151     free(method_str);
 152
 153     buffer_reset(method_name);
 154     buffer_fadd(method_name, "%s.savepoint.rollback", MODULENAME);
 155     method_str = buffer_data(method_name);
 156     osrfAppRegisterMethod( MODULENAME, method_str, "rollbackSavepoint", "", 1, 0 );
 157     free(method_str);
 158
 159     buffer_free(method_name);
 160
 161     osrfStringArray* global_methods = osrfNewStringArray(6);
 162
 163     osrfStringArrayAdd( global_methods, "create" );
 164     osrfStringArrayAdd( global_methods, "retrieve" );
 165     osrfStringArrayAdd( global_methods, "update" );
 166     osrfStringArrayAdd( global_methods, "delete" );
 167     osrfStringArrayAdd( global_methods, "search" );
 168     osrfStringArrayAdd( global_methods, "id_list" );
 169
 170     int c_index = 0;
 171     char* classname;
 172     osrfStringArray* classes = osrfHashKeys( oilsIDL() );
 173     osrfLogDebug(OSRF_LOG_MARK, "%d classes loaded", classes->size );
 174     osrfLogDebug(OSRF_LOG_MARK, "At least %d methods will be generated", classes->size * global_methods->size);
 175
 176     while ( (classname = osrfStringArrayGetString(classes, c_index++)) ) {
 177         osrfLogInfo(OSRF_LOG_MARK, "Generating class methods for %s", classname);
 178
 179         osrfHash* idlClass = osrfHashGet(oilsIDL(), classname);
 180
 181         if (!osrfStringArrayContains( osrfHashGet(idlClass, "controller"), MODULENAME )) {
 182             osrfLogInfo(OSRF_LOG_MARK, "%s is not listed as a controller for %s, moving on", MODULENAME, classname);
 183             continue;
 184         }
 185
 186         char* virt = osrfHashGet(idlClass, "virtual");
 187         if (virt && !strcmp( virt, "true")) {
 188             osrfLogDebug(OSRF_LOG_MARK, "Class %s is virtual, skipping", classname );
 189             continue;
 190         }
 191
 192         int i = 0;
 193         char* method_type;
 194         char* st_tmp = NULL;
 195         char* _fm;
 196         char* part;
 197         osrfHash* method_meta;
 198         while ( (method_type = osrfStringArrayGetString(global_methods, i++)) ) {
 199             osrfLogDebug(OSRF_LOG_MARK, "Using files to build %s class methods for %s", method_type, classname);
 200
 201             if (!osrfHashGet(idlClass, "fieldmapper")) continue;
 202
 203 #ifdef PCRUD
 204             if (!osrfHashGet(idlClass, "permacrud")) continue;
 205
 206             char* tmp_method = strdup(method_type);
 207             if ( *tmp_method == 'i' || *tmp_method == 's') {
 208                 free(tmp_method);
 209                 tmp_method = strdup("retrieve");
 210             }
 211             if (!osrfHashGet( osrfHashGet(idlClass, "permacrud"), tmp_method )) continue;
 212             free(tmp_method);
 213 #endif
 214
 215             char* readonly = osrfHashGet(idlClass, "readonly");
 216             if (        readonly &&
 217                     !strncasecmp( "true", readonly, 4) &&
 218                     ( *method_type == 'c' || *method_type == 'u' || *method_type == 'd')
 219                ) continue;
 220
 221             method_meta = osrfNewHash();
 222             osrfHashSet(method_meta, idlClass, "class");
 223
 224             _fm = strdup( (char*)osrfHashGet(idlClass, "fieldmapper") );
 225             part = strtok_r(_fm, ":", &st_tmp);
 226
 227             method_name =  buffer_init(64);
 228             buffer_fadd(method_name, "%s.direct.%s", MODULENAME, part);
 229
 230             while ((part = strtok_r(NULL, ":", &st_tmp))) {
 231                 buffer_fadd(method_name, ".%s", part);
 232             }
 233             buffer_fadd(method_name, ".%s", method_type);
 234
 235             char* method = buffer_release(method_name);
 236             free(_fm);
 237
 238             osrfHashSet( method_meta, method, "methodname" );
 239             osrfHashSet( method_meta, strdup(method_type), "methodtype" );
 240
 241             int flags = 0;
 242             if (*method_type == 'i' || *method_type == 's') {
 243                 flags = flags | OSRF_METHOD_STREAMING;
 244             }
 245
 246             osrfAppRegisterExtendedMethod(
 247                     MODULENAME,
 248                     method,
 249                     "dispatchCRUDMethod",
 250                     "",
 251                     1,
 252                     flags,
 253                     (void*)method_meta
 254                     );
 255
 256             free(method);
 257         }
 258     }
 259
 260     osrfStringArrayFree( global_methods );
 261     return 0;
 262 }
 263
 264 static char* getSourceDefinition( osrfHash* class ) {
 265
 266     char* tabledef = osrfHashGet(class, "tablename");
 267
 268     if (!tabledef) {
 269         growing_buffer* tablebuf = buffer_init(128);
 270         tabledef = osrfHashGet(class, "source_definition");
 271         if( !tabledef )
 272             tabledef = "(null)";
 273         buffer_fadd( tablebuf, "(%s)", tabledef );
 274         tabledef = buffer_release(tablebuf);
 275     } else {
 276         tabledef = strdup(tabledef);
 277     }
 278
 279     return tabledef;
 280 }
 281
 282 /**
 283  * Connects to the database
 284  */
 285 int osrfAppChildInit() {
 286
 287     osrfLogDebug(OSRF_LOG_MARK, "Attempting to initialize libdbi...");
 288     dbi_initialize(NULL);
 289     osrfLogDebug(OSRF_LOG_MARK, "... libdbi initialized.");
 290
 291     char* driver        = osrf_settings_host_value("/apps/%s/app_settings/driver", MODULENAME);
 292     char* user  = osrf_settings_host_value("/apps/%s/app_settings/database/user", MODULENAME);
 293     char* host  = osrf_settings_host_value("/apps/%s/app_settings/database/host", MODULENAME);
 294     char* port  = osrf_settings_host_value("/apps/%s/app_settings/database/port", MODULENAME);
 295     char* db    = osrf_settings_host_value("/apps/%s/app_settings/database/db", MODULENAME);
 296     char* pw    = osrf_settings_host_value("/apps/%s/app_settings/database/pw", MODULENAME);
 297     char* md    = osrf_settings_host_value("/apps/%s/app_settings/max_query_recursion", MODULENAME);
 298
 299     osrfLogDebug(OSRF_LOG_MARK, "Attempting to load the database driver [%s]...", driver);
 300     writehandle = dbi_conn_new(driver);
 301
 302     if(!writehandle) {
 303         osrfLogError(OSRF_LOG_MARK, "Error loading database driver [%s]", driver);
 304         return -1;
 305     }
 306     osrfLogDebug(OSRF_LOG_MARK, "Database driver [%s] seems OK", driver);
 307
 308     osrfLogInfo(OSRF_LOG_MARK, "%s connecting to database.  host=%s, "
 309             "port=%s, user=%s, pw=%s, db=%s", MODULENAME, host, port, user, pw, db );
 310
 311     if(host) dbi_conn_set_option(writehandle, "host", host );
 312     if(port) dbi_conn_set_option_numeric( writehandle, "port", atoi(port) );
 313     if(user) dbi_conn_set_option(writehandle, "username", user);
 314     if(pw) dbi_conn_set_option(writehandle, "password", pw );
 315     if(db) dbi_conn_set_option(writehandle, "dbname", db );
 316
 317     if(md) max_flesh_depth = atoi(md);
 318     if(max_flesh_depth < 0) max_flesh_depth = 1;
 319     if(max_flesh_depth > 1000) max_flesh_depth = 1000;
 320
 321     free(user);
 322     free(host);
 323     free(port);
 324     free(db);
 325     free(pw);
 326
 327     const char* err;
 328     if (dbi_conn_connect(writehandle) < 0) {
 329         sleep(1);
 330         if (dbi_conn_connect(writehandle) < 0) {
 331             dbi_conn_error(writehandle, &err);
 332             osrfLogError( OSRF_LOG_MARK, "Error connecting to database: %s", err);
 333             return -1;
 334         }
 335     }
 336
 337     osrfLogInfo(OSRF_LOG_MARK, "%s successfully connected to the database", MODULENAME);
 338
 339     int attr;
 340     unsigned short type;
 341     int i = 0;
 342     char* classname;
 343     osrfStringArray* classes = osrfHashKeys( oilsIDL() );
 344
 345     while ( (classname = osrfStringArrayGetString(classes, i++)) ) {
 346         osrfHash* class = osrfHashGet( oilsIDL(), classname );
 347         osrfHash* fields = osrfHashGet( class, "fields" );
 348
 349         char* virt = osrfHashGet(class, "virtual");
 350         if (virt && !strcmp( virt, "true")) {
 351             osrfLogDebug(OSRF_LOG_MARK, "Class %s is virtual, skipping", classname );
 352             continue;
 353         }
 354
 355         char* tabledef = getSourceDefinition(class);
 356
 357         growing_buffer* sql_buf = buffer_init(32);
 358         buffer_fadd( sql_buf, "SELECT * FROM %s AS x WHERE 1=0;", tabledef );
 359
 360         free(tabledef);
 361
 362         char* sql = buffer_release(sql_buf);
 363         osrfLogDebug(OSRF_LOG_MARK, "%s Investigatory SQL = %s", MODULENAME, sql);
 364
 365         dbi_result result = dbi_conn_query(writehandle, sql);
 366         free(sql);
 367
 368         if (result) {
 369
 370             int columnIndex = 1;
 371             const char* columnName;
 372             osrfHash* _f;
 373             while( (columnName = dbi_result_get_field_name(result, columnIndex++)) ) {
 374
 375                 osrfLogInternal(OSRF_LOG_MARK, "Looking for column named [%s]...", (char*)columnName);
 376
 377                 /* fetch the fieldmapper index */
 378                 if( (_f = osrfHashGet(fields, (char*)columnName)) ) {
 379
 380                     osrfLogDebug(OSRF_LOG_MARK, "Found [%s] in IDL hash...", (char*)columnName);
 381
 382                     /* determine the field type and storage attributes */
 383                     type = dbi_result_get_field_type(result, columnName);
 384                     attr = dbi_result_get_field_attribs(result, columnName);
 385
 386                     switch( type ) {
 387
 388                         case DBI_TYPE_INTEGER :
 389
 390                             if ( !osrfHashGet(_f, "primitive") )
 391                                 osrfHashSet(_f,"number", "primitive");
 392
 393                             if( attr & DBI_INTEGER_SIZE8 )
 394                                 osrfHashSet(_f,"INT8", "datatype");
 395                             else
 396                                 osrfHashSet(_f,"INT", "datatype");
 397                             break;
 398
 399                         case DBI_TYPE_DECIMAL :
 400                             if ( !osrfHashGet(_f, "primitive") )
 401                                 osrfHashSet(_f,"number", "primitive");
 402
 403                             osrfHashSet(_f,"NUMERIC", "datatype");
 404                             break;
 405
 406                         case DBI_TYPE_STRING :
 407                             if ( !osrfHashGet(_f, "primitive") )
 408                                 osrfHashSet(_f,"string", "primitive");
 409                             osrfHashSet(_f,"TEXT", "datatype");
 410                             break;
 411
 412                         case DBI_TYPE_DATETIME :
 413                             if ( !osrfHashGet(_f, "primitive") )
 414                                 osrfHashSet(_f,"string", "primitive");
 415
 416                             osrfHashSet(_f,"TIMESTAMP", "datatype");
 417                             break;
 418
 419                         case DBI_TYPE_BINARY :
 420                             if ( !osrfHashGet(_f, "primitive") )
 421                                 osrfHashSet(_f,"string", "primitive");
 422
 423                             osrfHashSet(_f,"BYTEA", "datatype");
 424                     }
 425
 426                     osrfLogDebug(
 427                             OSRF_LOG_MARK,
 428                             "Setting [%s] to primitive [%s] and datatype [%s]...",
 429                             (char*)columnName,
 430                             osrfHashGet(_f, "primitive"),
 431                             osrfHashGet(_f, "datatype")
 432                             );
 433                 }
 434             }
 435             dbi_result_free(result);
 436         } else {
 437             osrfLogDebug(OSRF_LOG_MARK, "No data found for class [%s]...", (char*)classname);
 438         }
 439     }
 440
 441     osrfStringArrayFree(classes);
 442
 443     return 0;
 444 }
 445
 446 void userDataFree( void* blob ) {
 447     osrfHashFree( (osrfHash*)blob );
 448     return;
 449 }
 450
 451 static void sessionDataFree( char* key, void* item ) {
 452     if (!(strcmp(key,"xact_id"))) {
 453         if (writehandle)
 454             dbi_conn_query(writehandle, "ROLLBACK;");
 455         free(item);
 456     }
 457
 458     return;
 459 }
 460
 461 int beginTransaction ( osrfMethodContext* ctx ) {
 462     OSRF_METHOD_VERIFY_CONTEXT(ctx);
 463
 464     dbi_result result = dbi_conn_query(writehandle, "START TRANSACTION;");
 465     if (!result) {
 466         osrfLogError(OSRF_LOG_MARK, "%s: Error starting transaction", MODULENAME );
 467         osrfAppSessionStatus( ctx->session, OSRF_STATUS_INTERNALSERVERERROR, "osrfMethodException", ctx->request, "Error starting transaction" );
 468         return -1;
 469     } else {
 470         jsonObject* ret = jsonNewObject(ctx->session->session_id);
 471         osrfAppRespondComplete( ctx, ret );
 472         jsonObjectFree(ret);
 473
 474         if (!ctx->session->userData) {
 475             ctx->session->userData = osrfNewHash();
 476             osrfHashSetCallback((osrfHash*)ctx->session->userData, &sessionDataFree);
 477         }
 478
 479         osrfHashSet( (osrfHash*)ctx->session->userData, strdup( ctx->session->session_id ), "xact_id" );
 480         ctx->session->userDataFree = &userDataFree;
 481
 482     }
 483     return 0;
 484 }
 485
 486 int setSavepoint ( osrfMethodContext* ctx ) {
 487     OSRF_METHOD_VERIFY_CONTEXT(ctx);
 488
 489     if (!osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )) {
 490         osrfAppSessionStatus(
 491                 ctx->session,
 492                 OSRF_STATUS_INTERNALSERVERERROR,
 493                 "osrfMethodException",
 494                 ctx->request,
 495                 "No active transaction -- required for savepoints"
 496                 );
 497         return -1;
 498     }
 499
 500     char* spName = jsonObjectToSimpleString(jsonObjectGetIndex(ctx->params, 0));
 501
 502     dbi_result result = dbi_conn_queryf(writehandle, "SAVEPOINT \"%s\";", spName);
 503     if (!result) {
 504         osrfLogError(
 505                 OSRF_LOG_MARK,
 506                 "%s: Error creating savepoint %s in transaction %s",
 507                 MODULENAME,
 508                 spName,
 509                 osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )
 510                 );
 511         osrfAppSessionStatus( ctx->session, OSRF_STATUS_INTERNALSERVERERROR, "osrfMethodException", ctx->request, "Error creating savepoint" );
 512         free(spName);
 513         return -1;
 514     } else {
 515         jsonObject* ret = jsonNewObject(spName);
 516         osrfAppRespondComplete( ctx, ret );
 517         jsonObjectFree(ret);
 518     }
 519     free(spName);
 520     return 0;
 521 }
 522
 523 int releaseSavepoint ( osrfMethodContext* ctx ) {
 524     OSRF_METHOD_VERIFY_CONTEXT(ctx);
 525
 526     if (!osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )) {
 527         osrfAppSessionStatus(
 528                 ctx->session,
 529                 OSRF_STATUS_INTERNALSERVERERROR,
 530                 "osrfMethodException",
 531                 ctx->request,
 532                 "No active transaction -- required for savepoints"
 533                 );
 534         return -1;
 535     }
 536
 537     char* spName = jsonObjectToSimpleString(jsonObjectGetIndex(ctx->params, 0));
 538
 539     dbi_result result = dbi_conn_queryf(writehandle, "RELEASE SAVEPOINT \"%s\";", spName);
 540     if (!result) {
 541         osrfLogError(
 542                 OSRF_LOG_MARK,
 543                 "%s: Error releasing savepoint %s in transaction %s",
 544                 MODULENAME,
 545                 spName,
 546                 osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )
 547                 );
 548         osrfAppSessionStatus( ctx->session, OSRF_STATUS_INTERNALSERVERERROR, "osrfMethodException", ctx->request, "Error releasing savepoint" );
 549         free(spName);
 550         return -1;
 551     } else {
 552         jsonObject* ret = jsonNewObject(spName);
 553         osrfAppRespondComplete( ctx, ret );
 554         jsonObjectFree(ret);
 555     }
 556     free(spName);
 557     return 0;
 558 }
 559
 560 int rollbackSavepoint ( osrfMethodContext* ctx ) {
 561     OSRF_METHOD_VERIFY_CONTEXT(ctx);
 562
 563     if (!osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )) {
 564         osrfAppSessionStatus(
 565                 ctx->session,
 566                 OSRF_STATUS_INTERNALSERVERERROR,
 567                 "osrfMethodException",
 568                 ctx->request,
 569                 "No active transaction -- required for savepoints"
 570                 );
 571         return -1;
 572     }
 573
 574     char* spName = jsonObjectToSimpleString(jsonObjectGetIndex(ctx->params, 0));
 575
 576     dbi_result result = dbi_conn_queryf(writehandle, "ROLLBACK TO SAVEPOINT \"%s\";", spName);
 577     if (!result) {
 578         osrfLogError(
 579                 OSRF_LOG_MARK,
 580                 "%s: Error rolling back savepoint %s in transaction %s",
 581                 MODULENAME,
 582                 spName,
 583                 osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )
 584                 );
 585         osrfAppSessionStatus( ctx->session, OSRF_STATUS_INTERNALSERVERERROR, "osrfMethodException", ctx->request, "Error rolling back savepoint" );
 586         free(spName);
 587         return -1;
 588     } else {
 589         jsonObject* ret = jsonNewObject(spName);
 590         osrfAppRespondComplete( ctx, ret );
 591         jsonObjectFree(ret);
 592     }
 593     free(spName);
 594     return 0;
 595 }
 596
 597 int commitTransaction ( osrfMethodContext* ctx ) {
 598     OSRF_METHOD_VERIFY_CONTEXT(ctx);
 599
 600     if (!osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )) {
 601         osrfAppSessionStatus( ctx->session, OSRF_STATUS_INTERNALSERVERERROR, "osrfMethodException", ctx->request, "No active transaction to commit" );
 602         return -1;
 603     }
 604
 605     dbi_result result = dbi_conn_query(writehandle, "COMMIT;");
 606     if (!result) {
 607         osrfLogError(OSRF_LOG_MARK, "%s: Error committing transaction", MODULENAME );
 608         osrfAppSessionStatus( ctx->session, OSRF_STATUS_INTERNALSERVERERROR, "osrfMethodException", ctx->request, "Error committing transaction" );
 609         return -1;
 610     } else {
 611         osrfHashRemove(ctx->session->userData, "xact_id");
 612         jsonObject* ret = jsonNewObject(ctx->session->session_id);
 613         osrfAppRespondComplete( ctx, ret );
 614         jsonObjectFree(ret);
 615     }
 616     return 0;
 617 }
 618
 619 int rollbackTransaction ( osrfMethodContext* ctx ) {
 620     OSRF_METHOD_VERIFY_CONTEXT(ctx);
 621
 622     if (!osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )) {
 623         osrfAppSessionStatus( ctx->session, OSRF_STATUS_INTERNALSERVERERROR, "osrfMethodException", ctx->request, "No active transaction to roll back" );
 624         return -1;
 625     }
 626
 627     dbi_result result = dbi_conn_query(writehandle, "ROLLBACK;");
 628     if (!result) {
 629         osrfLogError(OSRF_LOG_MARK, "%s: Error rolling back transaction", MODULENAME );
 630         osrfAppSessionStatus( ctx->session, OSRF_STATUS_INTERNALSERVERERROR, "osrfMethodException", ctx->request, "Error rolling back transaction" );
 631         return -1;
 632     } else {
 633         osrfHashRemove(ctx->session->userData, "xact_id");
 634         jsonObject* ret = jsonNewObject(ctx->session->session_id);
 635         osrfAppRespondComplete( ctx, ret );
 636         jsonObjectFree(ret);
 637     }
 638     return 0;
 639 }
 640
 641 int dispatchCRUDMethod ( osrfMethodContext* ctx ) {
 642     OSRF_METHOD_VERIFY_CONTEXT(ctx);
 643
 644     osrfHash* meta = (osrfHash*) ctx->method->userData;
 645     osrfHash* class_obj = osrfHashGet( meta, "class" );
 646
 647     int err = 0;
 648
 649     const char* methodtype = osrfHashGet(meta, "methodtype");
 650     jsonObject * obj = NULL;
 651
 652     if (!strcmp(methodtype, "create")) {
 653         obj = doCreate(ctx, &err);
 654         osrfAppRespondComplete( ctx, obj );
 655     }
 656     else if (!strcmp(methodtype, "retrieve")) {
 657         obj = doRetrieve(ctx, &err);
 658         osrfAppRespondComplete( ctx, obj );
 659     }
 660     else if (!strcmp(methodtype, "update")) {
 661         obj = doUpdate(ctx, &err);
 662         osrfAppRespondComplete( ctx, obj );
 663     }
 664     else if (!strcmp(methodtype, "delete")) {
 665         obj = doDelete(ctx, &err);
 666         osrfAppRespondComplete( ctx, obj );
 667     }
 668     else if (!strcmp(methodtype, "search")) {
 669
 670         jsonObject* _p = jsonObjectClone( ctx->params );
 671 #ifdef PCRUD
 672         jsonObjectFree(_p);
 673         _p = jsonParseString("[]");
 674         jsonObjectPush(_p, jsonObjectClone(jsonObjectGetIndex(ctx->params, 1)));
 675         jsonObjectPush(_p, jsonObjectClone(jsonObjectGetIndex(ctx->params, 2)));
 676 #endif
 677
 678         obj = doFieldmapperSearch(ctx, class_obj, _p, &err);
 679
 680         jsonObjectFree(_p);
 681         if(err) return err;
 682
 683         jsonObject* cur;
 684         jsonIterator* itr = jsonNewIterator( obj );
 685         while ((cur = jsonIteratorNext( itr ))) {
 686 #ifdef PCRUD
 687             if(!verifyObjectPCRUD(ctx, cur)) continue;
 688 #endif
 689             osrfAppRespond( ctx, cur );
 690         }
 691         jsonIteratorFree(itr);
 692         osrfAppRespondComplete( ctx, NULL );
 693
 694     } else if (!strcmp(methodtype, "id_list")) {
 695
 696         jsonObject* _p = jsonObjectClone( ctx->params );
 697 #ifdef PCRUD
 698         jsonObjectFree(_p);
 699         _p = jsonParseString("[]");
 700         jsonObjectPush(_p, jsonObjectClone(jsonObjectGetIndex(ctx->params, 1)));
 701         jsonObjectPush(_p, jsonObjectClone(jsonObjectGetIndex(ctx->params, 2)));
 702 #endif
 703
 704         if (jsonObjectGetIndex( _p, 1 )) {
 705             jsonObjectRemoveKey( jsonObjectGetIndex( _p, 1 ), "flesh" );
 706             jsonObjectRemoveKey( jsonObjectGetIndex( _p, 1 ), "flesh_columns" );
 707         } else {
 708             jsonObjectSetIndex( _p, 1, jsonNewObjectType(JSON_HASH) );
 709         }
 710
 711         growing_buffer* sel_list = buffer_init(64);
 712         buffer_fadd(sel_list, "{ \"%s\":[\"%s\"] }", osrfHashGet( class_obj, "classname" ), osrfHashGet( class_obj, "primarykey" ));
 713         char* _s = buffer_release(sel_list);
 714
 715         jsonObjectSetKey( jsonObjectGetIndex( _p, 1 ), "select", jsonParseString(_s) );
 716         osrfLogDebug(OSRF_LOG_MARK, "%s: Select qualifer set to [%s]", MODULENAME, _s);
 717         free(_s);
 718
 719         obj = doFieldmapperSearch(ctx, class_obj, _p, &err);
 720
 721         jsonObjectFree(_p);
 722         if(err) return err;
 723
 724         jsonObject* cur;
 725         jsonIterator* itr = jsonNewIterator( obj );
 726         while ((cur = jsonIteratorNext( itr ))) {
 727 #ifdef PCRUD
 728             if(!verifyObjectPCRUD(ctx, cur)) continue;
 729 #endif
 730             osrfAppRespond(
 731                     ctx,
 732                     oilsFMGetObject( cur, osrfHashGet( class_obj, "primarykey" ) )
 733                     );
 734         }
 735         jsonIteratorFree(itr);
 736         osrfAppRespondComplete( ctx, NULL );
 737
 738     } else {
 739         osrfAppRespondComplete( ctx, obj );
 740     }
 741
 742     jsonObjectFree(obj);
 743
 744     return err;
 745 }
 746
 747 static int verifyObjectClass ( osrfMethodContext* ctx, const jsonObject* param ) {
 748
 749     int ret = 1;
 750     osrfHash* meta = (osrfHash*) ctx->method->userData;
 751     osrfHash* class = osrfHashGet( meta, "class" );
 752
 753     if (!param->classname || (strcmp( osrfHashGet(class, "classname"), param->classname ))) {
 754
 755         growing_buffer* msg = buffer_init(128);
 756         buffer_fadd(
 757                 msg,
 758                 "%s: %s method for type %s was passed a %s",
 759                 MODULENAME,
 760                 osrfHashGet(meta, "methodtype"),
 761                 osrfHashGet(class, "classname"),
 762                 param->classname
 763                 );
 764
 765         char* m = buffer_release(msg);
 766         osrfAppSessionStatus( ctx->session, OSRF_STATUS_BADREQUEST, "osrfMethodException", ctx->request, m );
 767
 768         free(m);
 769
 770         return 0;
 771     }
 772
 773 #ifdef PCRUD
 774     ret = verifyObjectPCRUD( ctx, param );
 775 #endif
 776
 777     return ret;
 778 }
 779
 780 #ifdef PCRUD
 781 static int verifyObjectPCRUD (  osrfMethodContext* ctx, const jsonObject* obj ) {
 782
 783     dbhandle = writehandle;
 784
 785     osrfHash* meta = (osrfHash*) ctx->method->userData;
 786     osrfHash* class = osrfHashGet( meta, "class" );
 787     char* method_type = strdup( osrfHashGet(meta, "methodtype") );
 788
 789     if ( ( *method_type == 's' || *method_type == 'i' ) ) {
 790         free(method_type);
 791         method_type = strdup("retrieve");
 792     }
 793
 794     osrfHash* pcrud = osrfHashGet( osrfHashGet(class, "permacrud"), method_type );
 795     free(method_type);
 796
 797     if (!pcrud) {
 798         // No permacrud for this method type on this class
 799
 800         growing_buffer* msg = buffer_init(128);
 801         buffer_fadd(
 802             msg,
 803             "%s: %s on class %s has no permacrud IDL entry",
 804             MODULENAME,
 805             osrfHashGet(meta, "methodtype"),
 806             osrfHashGet(class, "classname")
 807         );
 808
 809         char* m = buffer_release(msg);
 810         osrfAppSessionStatus( ctx->session, OSRF_STATUS_BADREQUEST, "osrfMethodException", ctx->request, m );
 811
 812         free(m);
 813
 814         return 0;
 815     }
 816
 817     //XXX turn this into a user id
 818     char* auth = jsonObjectToSimpleString( jsonObjectGetIndex( ctx->params, 0 ) );
 819     jsonObject* auth_object = jsonNewObject(auth);
 820     jsonObject* user = oilsUtilsQuickReq("open-ils.auth","open-ils.auth.session.retrieve", auth_object);
 821     jsonObjectFree(auth_object);
 822
 823     if (!user->classname || strcmp(user->classname, "au")) {
 824
 825         growing_buffer* msg = buffer_init(128);
 826         buffer_fadd(
 827             msg,
 828             "%s: permacrud received a bad auth token: %s",
 829             MODULENAME,
 830             auth
 831         );
 832
 833         char* m = buffer_release(msg);
 834         osrfAppSessionStatus( ctx->session, OSRF_STATUS_BADREQUEST, "osrfMethodException", ctx->request, m );
 835
 836         free(m);
 837         free(auth);
 838
 839         return 0;
 840     }
 841
 842     int userid = atoi( oilsFMGetString( user, "id" ) );
 843         osrfLogDebug( OSRF_LOG_MARK, "permacrud checking user %d (auth token: %s)", userid, auth );
 844
 845     jsonObjectFree(user);
 846     free(auth);
 847
 848     osrfStringArray* permission = osrfHashGet(pcrud, "permission");
 849     char* global_required = osrfHashGet(pcrud, "global_required");
 850     osrfStringArray* local_context = osrfHashGet(pcrud, "local_context");
 851     osrfHash* foreign_context = osrfHashGet(pcrud, "foreign_context");
 852
 853     osrfStringArray* context_org_array = osrfNewStringArray(1);
 854
 855     char* pkey_value = NULL;
 856     int err = 0;
 857     if (global_required && !strcmp( "true", global_required )) {
 858             osrfLogDebug( OSRF_LOG_MARK, "global-level permissions required, fetching top of the org tree" );
 859
 860         // check for perm at top of org tree
 861         jsonObject* _tmp_params = jsonParseString("[{\"parent_ou\":null}]");
 862                 jsonObject* _list = doFieldmapperSearch(ctx, osrfHashGet( oilsIDL(), "aou" ), _tmp_params, &err);
 863
 864         jsonObject* _tree_top = jsonObjectGetIndex(_list, 0);
 865
 866         if (!_tree_top) {
 867             jsonObjectFree(_tmp_params);
 868             jsonObjectFree(_list);
 869
 870             growing_buffer* msg = buffer_init(128);
 871             buffer_fadd(
 872                 msg,
 873                 "%s: Internal error, could not find the top of the org tree (parent_ou = NULL)",
 874                 MODULENAME
 875             );
 876
 877             char* m = buffer_release(msg);
 878             osrfAppSessionStatus( ctx->session, OSRF_STATUS_INTERNALSERVERERROR, "osrfMethodException", ctx->request, m );
 879             free(m);
 880
 881             return 0;
 882         }
 883
 884         osrfStringArrayAdd( context_org_array, oilsFMGetString( _tree_top, "id" ) );
 885             osrfLogDebug( OSRF_LOG_MARK, "top of the org tree is %s", osrfStringArrayGetString(context_org_array, 0) );
 886
 887         jsonObjectFree(_tmp_params);
 888         jsonObjectFree(_list);
 889
 890     } else {
 891             osrfLogDebug( OSRF_LOG_MARK, "global-level permissions not required, fetching context org ids" );
 892
 893         jsonObject *param = NULL;
 894         if (obj) param = jsonObjectClone(obj);
 895             if (!param) param = jsonObjectClone(jsonObjectGetIndex( ctx->params, 1 ));
 896
 897        // XXX if the object has a non-null pkey, check for object-specific perm,
 898        // else context org(s) for group perm check
 899             char* pkey = osrfHashGet(class, "primarykey");
 900
 901         if (param->classname) {
 902             pkey_value = oilsFMGetString( param, pkey );
 903                 osrfLogDebug( OSRF_LOG_MARK, "Object supplied, using primary key value of %s", pkey_value );
 904
 905         } else {
 906             pkey_value = jsonObjectToSimpleString( param );
 907                 osrfLogDebug( OSRF_LOG_MARK, "Object not supplied, using primary key value of %s and retrieving from the database", pkey_value );
 908
 909             jsonObject* _tmp_params = jsonParseStringFmt("[{\"%s\":\"%s\"}]", pkey, pkey_value);
 910                 jsonObject* _list = doFieldmapperSearch(
 911                 ctx,
 912                 class,
 913                 _tmp_params,
 914                 &err
 915             );
 916
 917             jsonObjectFree(param);
 918             param = jsonObjectClone(jsonObjectGetIndex(_list, 0));
 919
 920             if (!param) {
 921                     osrfLogDebug( OSRF_LOG_MARK, "Object not found in the database with primary key %s of %s", pkey, pkey_value );
 922                 jsonObjectFree(_tmp_params);
 923                 jsonObjectFree(_list);
 924
 925                 growing_buffer* msg = buffer_init(128);
 926                 buffer_fadd(
 927                     msg,
 928                     "%s: no object found with primary key %s of %s",
 929                     MODULENAME,
 930                     pkey,
 931                     pkey_value
 932                 );
 933
 934                 char* m = buffer_release(msg);
 935                 osrfAppSessionStatus( ctx->session, OSRF_STATUS_BADREQUEST, "osrfMethodException", ctx->request, m );
 936
 937                 free(m);
 938                 free(pkey_value);
 939
 940                 return 0;
 941             }
 942
 943             free(pkey_value);
 944             jsonObjectFree(_tmp_params);
 945             jsonObjectFree(_list);
 946
 947         }
 948
 949         if (local_context->size > 0) {
 950                 osrfLogDebug( OSRF_LOG_MARK, "%d class-local context field(s) specified", local_context->size);
 951             int i = 0;
 952             char* lcontext = NULL;
 953             while ( (lcontext = osrfStringArrayGetString(local_context, i++)) ) {
 954                 osrfStringArrayAdd( context_org_array, oilsFMGetString( param, lcontext ) );
 955                     osrfLogDebug( OSRF_LOG_MARK, "adding class-local field %s (value: %s) to the context org list", lcontext, osrfStringArrayGetString(context_org_array, context_org_array->size - 1) );
 956             }
 957         }
 958
 959         osrfStringArray* class_list;
 960
 961         if (foreign_context) {
 962             class_list = osrfHashKeys( foreign_context );
 963                 osrfLogDebug( OSRF_LOG_MARK, "%d foreign context classes(s) specified", class_list->size);
 964
 965             if (class_list->size > 0) {
 966
 967                 int i = 0;
 968                 char* class_name = NULL;
 969                 while ( (class_name = osrfStringArrayGetString(class_list, i++)) ) {
 970                     osrfHash* fcontext = osrfHashGet(foreign_context, class_name);
 971
 972                         osrfLogDebug( OSRF_LOG_MARK, "%d foreign context fields(s) specified for class %s", ((osrfStringArray*)osrfHashGet(fcontext,"context"))->size, class_name);
 973
 974                     char* foreign_pkey = osrfHashGet(fcontext, "field");
 975                     char* foreign_pkey_value = oilsFMGetString(param, osrfHashGet(fcontext, "fkey"));
 976
 977                     jsonObject* _tmp_params = jsonParseStringFmt(
 978                         "[{\"%s\":\"%s\"}]",
 979                         foreign_pkey,
 980                         foreign_pkey_value
 981                     );
 982
 983                         jsonObject* _list = doFieldmapperSearch(
 984                         ctx,
 985                         osrfHashGet( oilsIDL(), class_name ),
 986                         _tmp_params,
 987                         &err
 988                     );
 989
 990                     jsonObject* _fparam = jsonObjectGetIndex(_list, 0);
 991
 992                     if (!_fparam) {
 993                         jsonObjectFree(_tmp_params);
 994                         jsonObjectFree(_list);
 995
 996                         growing_buffer* msg = buffer_init(128);
 997                         buffer_fadd(
 998                             msg,
 999                             "%s: no object found with primary key %s of %s",
1000                             MODULENAME,
1001                             foreign_pkey,
1002                             foreign_pkey_value
1003                         );
1004
1005                         char* m = buffer_release(msg);
1006                         osrfAppSessionStatus( ctx->session, OSRF_STATUS_BADREQUEST, "osrfMethodException", ctx->request, m );
1007                         free(m);
1008
1009                         osrfStringArrayFree(class_list);
1010                         free(foreign_pkey_value);
1011                         jsonObjectFree(param);
1012
1013                         return 0;
1014                     }
1015
1016                     jsonObjectFree(_tmp_params);
1017                     free(foreign_pkey_value);
1018
1019                     int j = 0;
1020                     char* foreign_field = NULL;
1021                     while ( (foreign_field = osrfStringArrayGetString(osrfHashGet(fcontext,"context"), j++)) ) {
1022                         osrfStringArrayAdd( context_org_array, oilsFMGetString( _fparam, foreign_field ) );
1023                             osrfLogDebug(
1024                             OSRF_LOG_MARK,
1025                             "adding foreign class %s field %s (value: %s) to the context org list",
1026                             class_name,
1027                             foreign_field,
1028                             osrfStringArrayGetString(context_org_array, context_org_array->size - 1)
1029                         );
1030                     }
1031
1032                     jsonObjectFree(_list);
1033                 }
1034
1035                 osrfStringArrayFree(class_list);
1036             }
1037         }
1038
1039         jsonObjectFree(param);
1040     }
1041
1042     char* context_org = NULL;
1043     char* perm = NULL;
1044     int OK = 0;
1045
1046     if (permission->size == 0) {
1047             osrfLogDebug( OSRF_LOG_MARK, "No permission specified for this action, passing through" );
1048         OK = 1;
1049     }
1050
1051     int i = 0;
1052     while ( (perm = osrfStringArrayGetString(permission, i++)) ) {
1053         int j = 0;
1054         while ( (context_org = osrfStringArrayGetString(context_org_array, j++)) ) {
1055             dbi_result result;
1056
1057             if (pkey_value) {
1058                     osrfLogDebug(
1059                     OSRF_LOG_MARK,
1060                     "Checking object permission [%s] for user %d on object %s (class %s) at org %d",
1061                     perm,
1062                     userid,
1063                     pkey_value,
1064                     osrfHashGet(class, "classname"),
1065                     atoi(context_org)
1066                 );
1067
1068                 result = dbi_conn_queryf(
1069                     writehandle,
1070                     "SELECT permission.usr_has_object_perm(%d, '%s', '%s', '%s', %d) AS has_perm;",
1071                     userid,
1072                     perm,
1073                     osrfHashGet(class, "classname"),
1074                     pkey_value,
1075                     atoi(context_org)
1076                 );
1077
1078                 if (result) {
1079                     osrfLogDebug(
1080                         OSRF_LOG_MARK,
1081                         "Recieved a result for object permission [%s] for user %d on object %s (class %s) at org %d",
1082                         perm,
1083                         userid,
1084                         pkey_value,
1085                         osrfHashGet(class, "classname"),
1086                         atoi(context_org)
1087                     );
1088
1089                     if (dbi_result_first_row(result)) {
1090                         jsonObject* return_val = oilsMakeJSONFromResult( result );
1091                         char* has_perm = jsonObjectToSimpleString( jsonObjectGetKeyConst(return_val, "has_perm") );
1092
1093                             osrfLogDebug(
1094                             OSRF_LOG_MARK,
1095                             "Status of object permission [%s] for user %d on object %s (class %s) at org %d is %s",
1096                             perm,
1097                             userid,
1098                             pkey_value,
1099                             osrfHashGet(class, "classname"),
1100                             atoi(context_org),
1101                             has_perm
1102                         );
1103
1104                         if ( *has_perm == 't' ) OK = 1;
1105                         free(has_perm);
1106                         jsonObjectFree(return_val);
1107                     }
1108
1109                     dbi_result_free(result);
1110                     if (OK) break;
1111                 }
1112             }
1113
1114                 osrfLogDebug( OSRF_LOG_MARK, "Checking non-object permission [%s] for user %d at org %d", perm, userid, atoi(context_org) );
1115             result = dbi_conn_queryf(
1116                 writehandle,
1117                 "SELECT permission.usr_has_perm(%d, '%s', %d) AS has_perm;",
1118                 userid,
1119                 perm,
1120                 atoi(context_org)
1121             );
1122
1123             if (result) {
1124                     osrfLogDebug( OSRF_LOG_MARK, "Recieved a result for permission [%s] for user %d at org %d", perm, userid, atoi(context_org) );
1125                 if (dbi_result_first_row(result)) {
1126                     jsonObject* return_val = oilsMakeJSONFromResult( result );
1127                     char* has_perm = jsonObjectToSimpleString( jsonObjectGetKeyConst(return_val, "has_perm") );
1128                         osrfLogDebug( OSRF_LOG_MARK, "Status of permission [%s] for user %d at org %d is [%s]", perm, userid, atoi(context_org), has_perm );
1129                     if ( *has_perm == 't' ) OK = 1;
1130                     free(has_perm);
1131                     jsonObjectFree(return_val);
1132                 }
1133
1134                 dbi_result_free(result);
1135                 if (OK) break;
1136             }
1137
1138         }
1139         if (OK) break;
1140     }
1141
1142     if (pkey_value) free(pkey_value);
1143     osrfStringArrayFree(context_org_array);
1144
1145     return OK;
1146 }
1147 #endif
1148
1149
1150 static jsonObject* doCreate(osrfMethodContext* ctx, int* err ) {
1151
1152         osrfHash* meta = osrfHashGet( (osrfHash*) ctx->method->userData, "class" );
1153 #ifdef PCRUD
1154         jsonObject* target = jsonObjectGetIndex( ctx->params, 1 );
1155         jsonObject* options = jsonObjectGetIndex( ctx->params, 2 );
1156 #else
1157         jsonObject* target = jsonObjectGetIndex( ctx->params, 0 );
1158         jsonObject* options = jsonObjectGetIndex( ctx->params, 1 );
1159 #endif
1160
1161         if (!verifyObjectClass(ctx, target)) {
1162                 *err = -1;
1163                 return jsonNULL;
1164         }
1165
1166         osrfLogDebug( OSRF_LOG_MARK, "Object seems to be of the correct type" );
1167
1168         if (!ctx->session || !ctx->session->userData || !osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )) {
1169                 osrfLogError( OSRF_LOG_MARK, "No active transaction -- required for CREATE" );
1170
1171                 osrfAppSessionStatus(
1172                         ctx->session,
1173                         OSRF_STATUS_BADREQUEST,
1174                         "osrfMethodException",
1175                         ctx->request,
1176                         "No active transaction -- required for CREATE"
1177                 );
1178                 *err = -1;
1179                 return jsonNULL;
1180         }
1181
1182         if (osrfHashGet( meta, "readonly" ) && strncasecmp("true", osrfHashGet( meta, "readonly" ), 4)) {
1183                 osrfAppSessionStatus(
1184                         ctx->session,
1185                         OSRF_STATUS_BADREQUEST,
1186                         "osrfMethodException",
1187                         ctx->request,
1188                         "Cannot INSERT readonly class"
1189                 );
1190                 *err = -1;
1191                 return jsonNULL;
1192         }
1193
1194
1195         char* trans_id = osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" );
1196
1197         // Set the last_xact_id
1198         int index = oilsIDL_ntop( target->classname, "last_xact_id" );
1199         if (index > -1) {
1200                 osrfLogDebug(OSRF_LOG_MARK, "Setting last_xact_id to %s on %s at position %d", trans_id, target->classname, index);
1201                 jsonObjectSetIndex(target, index, jsonNewObject(trans_id));
1202         }
1203
1204         osrfLogDebug( OSRF_LOG_MARK, "There is a transaction running..." );
1205
1206         dbhandle = writehandle;
1207
1208         osrfHash* fields = osrfHashGet(meta, "fields");
1209         char* pkey = osrfHashGet(meta, "primarykey");
1210         char* seq = osrfHashGet(meta, "sequence");
1211
1212         growing_buffer* table_buf = buffer_init(128);
1213         growing_buffer* col_buf = buffer_init(128);
1214         growing_buffer* val_buf = buffer_init(128);
1215
1216         buffer_fadd(table_buf,"INSERT INTO %s", osrfHashGet(meta, "tablename"));
1217         buffer_add(col_buf,"(");
1218         buffer_add(val_buf,"VALUES (");
1219
1220
1221         int i = 0;
1222         int first = 1;
1223         char* field_name;
1224         osrfStringArray* field_list = osrfHashKeys( fields );
1225         while ( (field_name = osrfStringArrayGetString(field_list, i++)) ) {
1226
1227                 osrfHash* field = osrfHashGet( fields, field_name );
1228
1229                 if(!( strcmp( osrfHashGet(osrfHashGet(fields,field_name), "virtual"), "true" ) )) continue;
1230
1231                 const jsonObject* field_object = oilsFMGetObject( target, field_name );
1232
1233                 char* value;
1234                 if (field_object && field_object->classname) {
1235                         value = oilsFMGetString(
1236                                 field_object,
1237                                 (char*)oilsIDLFindPath("/%s/primarykey", field_object->classname)
1238                         );
1239                 } else {
1240                         value = jsonObjectToSimpleString( field_object );
1241                 }
1242
1243
1244                 if (first) {
1245                         first = 0;
1246                 } else {
1247                         buffer_add(col_buf, ",");
1248                         buffer_add(val_buf, ",");
1249                 }
1250
1251                 buffer_add(col_buf, field_name);
1252
1253                 if (!field_object || field_object->type == JSON_NULL) {
1254                         buffer_add( val_buf, "DEFAULT" );
1255
1256                 } else if ( !strcmp(osrfHashGet(field, "primitive"), "number") ) {
1257                         if ( !strcmp(osrfHashGet(field, "datatype"), "INT8") ) {
1258                                 buffer_fadd( val_buf, "%lld", atoll(value) );
1259
1260                         } else if ( !strcmp(osrfHashGet(field, "datatype"), "INT") ) {
1261                                 buffer_fadd( val_buf, "%d", atoi(value) );
1262
1263                         } else if ( !strcmp(osrfHashGet(field, "datatype"), "NUMERIC") ) {
1264                                 buffer_fadd( val_buf, "%f", atof(value) );
1265                         }
1266                 } else {
1267                         if ( dbi_conn_quote_string(writehandle, &value) ) {
1268                                 buffer_fadd( val_buf, "%s", value );
1269
1270                         } else {
1271                                 osrfLogError(OSRF_LOG_MARK, "%s: Error quoting string [%s]", MODULENAME, value);
1272                                 osrfAppSessionStatus(
1273                                         ctx->session,
1274                                         OSRF_STATUS_INTERNALSERVERERROR,
1275                                         "osrfMethodException",
1276                                         ctx->request,
1277                                         "Error quoting string -- please see the error log for more details"
1278                                 );
1279                                 free(value);
1280                                 buffer_free(table_buf);
1281                                 buffer_free(col_buf);
1282                                 buffer_free(val_buf);
1283                                 *err = -1;
1284                                 return jsonNULL;
1285                         }
1286                 }
1287
1288                 free(value);
1289
1290         }
1291
1292
1293         buffer_add(col_buf,")");
1294         buffer_add(val_buf,")");
1295
1296         char* table_str = buffer_release(table_buf);
1297         char* col_str   = buffer_release(col_buf);
1298         char* val_str   = buffer_release(val_buf);
1299         growing_buffer* sql = buffer_init(128);
1300         buffer_fadd( sql, "%s %s %s;", table_str, col_str, val_str );
1301         free(table_str);
1302         free(col_str);
1303         free(val_str);
1304
1305         char* query = buffer_release(sql);
1306
1307         osrfLogDebug(OSRF_LOG_MARK, "%s: Insert SQL [%s]", MODULENAME, query);
1308
1309
1310         dbi_result result = dbi_conn_query(writehandle, query);
1311
1312         jsonObject* obj = NULL;
1313
1314         if (!result) {
1315                 obj = jsonNewObject(NULL);
1316                 osrfLogError(
1317                         OSRF_LOG_MARK,
1318                         "%s ERROR inserting %s object using query [%s]",
1319                         MODULENAME,
1320                         osrfHashGet(meta, "fieldmapper"),
1321                         query
1322                 );
1323                 osrfAppSessionStatus(
1324                         ctx->session,
1325                         OSRF_STATUS_INTERNALSERVERERROR,
1326                         "osrfMethodException",
1327                         ctx->request,
1328                         "INSERT error -- please see the error log for more details"
1329                 );
1330                 *err = -1;
1331         } else {
1332
1333                 char* id = oilsFMGetString(target, pkey);
1334                 if (!id) {
1335                         unsigned long long new_id = dbi_conn_sequence_last(writehandle, seq);
1336                         growing_buffer* _id = buffer_init(10);
1337                         buffer_fadd(_id, "%lld", new_id);
1338                         id = buffer_release(_id);
1339                 }
1340
1341                 // Find quietness specification, if present
1342                 char* quiet_str = NULL;
1343                 if ( options ) {
1344                         const jsonObject* quiet_obj = jsonObjectGetKeyConst( options, "quiet" );
1345                         if( quiet_obj )
1346                                 quiet_str = jsonObjectToSimpleString( quiet_obj );
1347                 }
1348
1349                 if( quiet_str && !strcmp( quiet_str, "true" )) {  // if quietness is specified
1350                         obj = jsonNewObject(id);
1351                 }
1352                 else {
1353
1354                         jsonObject* fake_params = jsonNewObjectType(JSON_ARRAY);
1355                         jsonObjectPush(fake_params, jsonNewObjectType(JSON_HASH));
1356
1357                         jsonObjectSetKey(
1358                                 jsonObjectGetIndex(fake_params, 0),
1359                                 pkey,
1360                                 jsonNewObject(id)
1361                         );
1362
1363                         jsonObject* list = doFieldmapperSearch( ctx,meta, fake_params, err);
1364
1365                         if(*err) {
1366                                 jsonObjectFree( fake_params );
1367                                 obj = jsonNULL;
1368                         } else {
1369                                 obj = jsonObjectClone( jsonObjectGetIndex(list, 0) );
1370                         }
1371
1372                         jsonObjectFree( list );
1373                         jsonObjectFree( fake_params );
1374                 }
1375
1376                 if(quiet_str) free(quiet_str);
1377                 free(id);
1378         }
1379
1380         free(query);
1381
1382         return obj;
1383
1384 }
1385
1386
1387 static jsonObject* doRetrieve(osrfMethodContext* ctx, int* err ) {
1388
1389     int id_pos = 0;
1390     int order_pos = 1;
1391
1392 #ifdef PCRUD
1393     id_pos = 1;
1394     order_pos = 2;
1395 #endif
1396
1397         osrfHash* meta = osrfHashGet( (osrfHash*) ctx->method->userData, "class" );
1398
1399         jsonObject* obj;
1400
1401         char* id = jsonObjectToSimpleString(jsonObjectGetIndex(ctx->params, id_pos));
1402         jsonObject* order_hash = jsonObjectGetIndex(ctx->params, order_pos);
1403
1404         osrfLogDebug(
1405                 OSRF_LOG_MARK,
1406                 "%s retrieving %s object with primary key value of %s",
1407                 MODULENAME,
1408                 osrfHashGet(meta, "fieldmapper"),
1409                 id
1410         );
1411
1412         jsonObject* fake_params = jsonNewObjectType(JSON_ARRAY);
1413         jsonObjectPush(fake_params, jsonNewObjectType(JSON_HASH));
1414
1415         jsonObjectSetKey(
1416                 jsonObjectGetIndex(fake_params, 0),
1417                 osrfHashGet(meta, "primarykey"),
1418                 jsonParseString(id)
1419         );
1420
1421         free(id);
1422
1423         if (order_hash) jsonObjectPush(fake_params, jsonObjectClone(order_hash) );
1424
1425         jsonObject* list = doFieldmapperSearch( ctx,meta, fake_params, err);
1426
1427         if(*err) {
1428                 jsonObjectFree( fake_params );
1429                 return jsonNULL;
1430         }
1431
1432         obj = jsonObjectClone( jsonObjectGetIndex(list, 0) );
1433
1434         jsonObjectFree( list );
1435         jsonObjectFree( fake_params );
1436
1437 #ifdef PCRUD
1438         if(!verifyObjectPCRUD(ctx, obj)) {
1439         jsonObjectFree(obj);
1440         *err = -1;
1441
1442         growing_buffer* msg = buffer_init(128);
1443         buffer_fadd(
1444             msg,
1445             "%s: Insufficient permissions",
1446             MODULENAME
1447         );
1448
1449         char* m = buffer_release(msg);
1450         osrfAppSessionStatus( ctx->session, OSRF_STATUS_BADREQUEST, "osrfMethodException", ctx->request, m );
1451
1452         free(m);
1453
1454                 return jsonNULL;
1455         }
1456 #endif
1457
1458         return obj;
1459 }
1460
1461 static char* jsonNumberToDBString ( osrfHash* field, const jsonObject* value ) {
1462         growing_buffer* val_buf = buffer_init(32);
1463
1464         if ( !strncmp(osrfHashGet(field, "datatype"), "INT", (size_t)3) ) {
1465                 if (value->type == JSON_NUMBER) buffer_fadd( val_buf, "%ld", (long)jsonObjectGetNumber(value) );
1466                 else {
1467                         char* val_str = jsonObjectToSimpleString(value);
1468                         buffer_fadd( val_buf, "%ld", atol(val_str) );
1469                         free(val_str);
1470                 }
1471
1472         } else if ( !strcmp(osrfHashGet(field, "datatype"), "NUMERIC") ) {
1473                 if (value->type == JSON_NUMBER) buffer_fadd( val_buf, "%f",  jsonObjectGetNumber(value) );
1474                 else {
1475                         char* val_str = jsonObjectToSimpleString(value);
1476                         buffer_fadd( val_buf, "%f", atof(val_str) );
1477                         free(val_str);
1478                 }
1479         }
1480
1481         return buffer_release(val_buf);
1482 }
1483
1484 static char* searchINPredicate (const char* class, osrfHash* field,
1485                 const jsonObject* node, const char* op) {
1486         growing_buffer* sql_buf = buffer_init(32);
1487
1488         buffer_fadd(
1489                 sql_buf,
1490                 "\"%s\".%s ",
1491                 class,
1492                 osrfHashGet(field, "name")
1493         );
1494
1495         if (!op) {
1496                 buffer_add(sql_buf, "IN (");
1497         } else if (!(strcasecmp(op,"not in"))) {
1498                 buffer_add(sql_buf, "NOT IN (");
1499         } else {
1500                 buffer_add(sql_buf, "IN (");
1501         }
1502
1503         int in_item_index = 0;
1504         int in_item_first = 1;
1505         jsonObject* in_item;
1506         while ( (in_item = jsonObjectGetIndex(node, in_item_index++)) ) {
1507
1508                 if (in_item_first)
1509                         in_item_first = 0;
1510                 else
1511                         buffer_add(sql_buf, ", ");
1512
1513                 if ( !strcmp(osrfHashGet(field, "primitive"), "number") ) {
1514                         char* val = jsonNumberToDBString( field, in_item );
1515                         buffer_fadd( sql_buf, "%s", val );
1516                         free(val);
1517
1518                 } else {
1519                         char* key_string = jsonObjectToSimpleString(in_item);
1520                         if ( dbi_conn_quote_string(dbhandle, &key_string) ) {
1521                                 buffer_fadd( sql_buf, "%s", key_string );
1522                                 free(key_string);
1523                         } else {
1524                                 osrfLogError(OSRF_LOG_MARK, "%s: Error quoting key string [%s]", MODULENAME, key_string);
1525                                 free(key_string);
1526                                 buffer_free(sql_buf);
1527                                 return NULL;
1528                         }
1529                 }
1530         }
1531
1532         buffer_add(
1533                 sql_buf,
1534                 ")"
1535         );
1536
1537         return buffer_release(sql_buf);
1538 }
1539
1540 static char* searchValueTransform( const jsonObject* array ) {
1541         growing_buffer* sql_buf = buffer_init(32);
1542
1543         char* val = NULL;
1544         int func_item_index = 0;
1545         int func_item_first = 2;
1546         jsonObject* func_item;
1547         while ( (func_item = jsonObjectGetIndex(array, func_item_index++)) ) {
1548
1549                 val = jsonObjectToSimpleString(func_item);
1550
1551                 if (func_item_first == 2) {
1552                         buffer_fadd(sql_buf, "%s( ", val);
1553                         free(val);
1554                         func_item_first--;
1555                         continue;
1556                 }
1557
1558                 if (func_item_first)
1559                         func_item_first--;
1560                 else
1561                         buffer_add(sql_buf, ", ");
1562
1563                 if (func_item->type == JSON_NULL) {
1564                         buffer_add( sql_buf, "NULL" );
1565                 } else if ( dbi_conn_quote_string(dbhandle, &val) ) {
1566                         buffer_fadd( sql_buf, "%s", val );
1567                 } else {
1568                         osrfLogError(OSRF_LOG_MARK, "%s: Error quoting key string [%s]", MODULENAME, val);
1569                         free(val);
1570                         buffer_free(sql_buf);
1571                         return NULL;
1572                 }
1573
1574                 free(val);
1575         }
1576
1577         buffer_add(
1578                 sql_buf,
1579                 " )"
1580         );
1581
1582         return buffer_release(sql_buf);
1583 }
1584
1585 static char* searchFunctionPredicate (const char* class, osrfHash* field,
1586                 const jsonObject* node, const char* node_key) {
1587         growing_buffer* sql_buf = buffer_init(32);
1588
1589         char* val = searchValueTransform(node);
1590
1591         buffer_fadd(
1592                 sql_buf,
1593                 "\"%s\".%s %s %s",
1594                 class,
1595                 osrfHashGet(field, "name"),
1596                 node_key,
1597                 val
1598         );
1599
1600         free(val);
1601
1602         return buffer_release(sql_buf);
1603 }
1604
1605 static char* searchFieldTransform (const char* class, osrfHash* field, const jsonObject* node) {
1606         growing_buffer* sql_buf = buffer_init(32);
1607
1608         char* field_transform = jsonObjectToSimpleString( jsonObjectGetKeyConst( node, "transform" ) );
1609         char* transform_subcolumn = jsonObjectToSimpleString( jsonObjectGetKeyConst( node, "result_field" ) );
1610
1611         if (field_transform) {
1612                 buffer_fadd( sql_buf, "%s(\"%s\".%s", field_transform, class, osrfHashGet(field, "name"));
1613             const jsonObject* array = jsonObjectGetKeyConst( node, "params" );
1614
1615         if (array) {
1616                 int func_item_index = 0;
1617                 jsonObject* func_item;
1618                 while ( (func_item = jsonObjectGetIndex(array, func_item_index++)) ) {
1619
1620                         char* val = jsonObjectToSimpleString(func_item);
1621
1622                     if ( !val ) {
1623                             buffer_add( sql_buf, ",NULL" );
1624                     } else if ( dbi_conn_quote_string(dbhandle, &val) ) {
1625                             buffer_fadd( sql_buf, ",%s", val );
1626                         } else {
1627                                 osrfLogError(OSRF_LOG_MARK, "%s: Error quoting key string [%s]", MODULENAME, val);
1628                             free(field_transform);
1629                                         free(val);
1630                                 buffer_free(sql_buf);
1631                                 return NULL;
1632                 }
1633                                 free(val);
1634                         }
1635
1636         }
1637
1638         buffer_add(
1639                 sql_buf,
1640                 " )"
1641         );
1642
1643         } else {
1644                 buffer_fadd( sql_buf, "\"%s\".%s", class, osrfHashGet(field, "name"));
1645         }
1646
1647     if (transform_subcolumn) {
1648         char * tmp = buffer_release(sql_buf);
1649         sql_buf = buffer_init(32);
1650         buffer_fadd(
1651             sql_buf,
1652             "(%s).\"%s\"",
1653             tmp,
1654             transform_subcolumn
1655         );
1656         free(tmp);
1657     }
1658
1659         if (field_transform) free(field_transform);
1660         if (transform_subcolumn) free(transform_subcolumn);
1661
1662         return buffer_release(sql_buf);
1663 }
1664
1665 static char* searchFieldTransformPredicate (const char* class, osrfHash* field, jsonObject* node, const char* node_key) {
1666         char* field_transform = searchFieldTransform( class, field, node );
1667         char* value = NULL;
1668
1669         if (!jsonObjectGetKeyConst( node, "value" )) {
1670                 value = searchWHERE( node, osrfHashGet( oilsIDL(), class ), AND_OP_JOIN, NULL );
1671         } else if (jsonObjectGetKeyConst( node, "value" )->type == JSON_ARRAY) {
1672                 value = searchValueTransform(jsonObjectGetKeyConst( node, "value" ));
1673         } else if (jsonObjectGetKeyConst( node, "value" )->type == JSON_HASH) {
1674                 value = searchWHERE( jsonObjectGetKeyConst( node, "value" ), osrfHashGet( oilsIDL(), class ), AND_OP_JOIN, NULL );
1675         } else if (jsonObjectGetKeyConst( node, "value" )->type != JSON_NULL) {
1676                 if ( !strcmp(osrfHashGet(field, "primitive"), "number") ) {
1677                         value = jsonNumberToDBString( field, jsonObjectGetKeyConst( node, "value" ) );
1678                 } else {
1679                         value = jsonObjectToSimpleString(jsonObjectGetKeyConst( node, "value" ));
1680                         if ( !dbi_conn_quote_string(dbhandle, &value) ) {
1681                                 osrfLogError(OSRF_LOG_MARK, "%s: Error quoting key string [%s]", MODULENAME, value);
1682                                 free(value);
1683                                 free(field_transform);
1684                                 return NULL;
1685                         }
1686                 }
1687         }
1688
1689         growing_buffer* sql_buf = buffer_init(32);
1690
1691         buffer_fadd(
1692                 sql_buf,
1693                 "%s %s %s",
1694                 field_transform,
1695                 node_key,
1696                 value
1697         );
1698
1699         free(value);
1700         free(field_transform);
1701
1702         return buffer_release(sql_buf);
1703 }
1704
1705 static char* searchSimplePredicate (const char* orig_op, const char* class,
1706                 osrfHash* field, const jsonObject* node) {
1707
1708         char* val = NULL;
1709
1710         if (node->type != JSON_NULL) {
1711                 if ( !strcmp(osrfHashGet(field, "primitive"), "number") ) {
1712                         val = jsonNumberToDBString( field, node );
1713                 } else {
1714                         val = jsonObjectToSimpleString(node);
1715                 }
1716         }
1717
1718         char* pred = searchWriteSimplePredicate( class, field, osrfHashGet(field, "name"), orig_op, val );
1719
1720         if (val) free(val);
1721
1722         return pred;
1723 }
1724
1725 static char* searchWriteSimplePredicate ( const char* class, osrfHash* field,
1726         const char* left, const char* orig_op, const char* right ) {
1727
1728         char* val = NULL;
1729         char* op = NULL;
1730         if (right == NULL) {
1731                 val = strdup("NULL");
1732
1733                 if (strcmp( orig_op, "=" ))
1734                         op = strdup("IS NOT");
1735                 else
1736                         op = strdup("IS");
1737
1738         } else if ( !strcmp(osrfHashGet(field, "primitive"), "number") ) {
1739                 val = strdup(right);
1740                 op = strdup(orig_op);
1741
1742         } else {
1743                 val = strdup(right);
1744                 if ( !dbi_conn_quote_string(dbhandle, &val) ) {
1745                         osrfLogError(OSRF_LOG_MARK, "%s: Error quoting key string [%s]", MODULENAME, val);
1746                         free(val);
1747                         return NULL;
1748                 }
1749                 op = strdup(orig_op);
1750         }
1751
1752         growing_buffer* sql_buf = buffer_init(16);
1753         buffer_fadd( sql_buf, "\"%s\".%s %s %s", class, left, op, val );
1754         free(val);
1755         free(op);
1756
1757         return buffer_release(sql_buf);
1758 }
1759
1760 static char* searchBETWEENPredicate (const char* class, osrfHash* field, jsonObject* node) {
1761
1762         char* x_string;
1763         char* y_string;
1764
1765         if ( !strcmp(osrfHashGet(field, "primitive"), "number") ) {
1766                 x_string = jsonNumberToDBString(field, jsonObjectGetIndex(node,0));
1767                 y_string = jsonNumberToDBString(field, jsonObjectGetIndex(node,1));
1768
1769         } else {
1770                 x_string = jsonObjectToSimpleString(jsonObjectGetIndex(node,0));
1771                 y_string = jsonObjectToSimpleString(jsonObjectGetIndex(node,1));
1772                 if ( !(dbi_conn_quote_string(dbhandle, &x_string) && dbi_conn_quote_string(dbhandle, &y_string)) ) {
1773                         osrfLogError(OSRF_LOG_MARK, "%s: Error quoting key strings [%s] and [%s]", MODULENAME, x_string, y_string);
1774                         free(x_string);
1775                         free(y_string);
1776                         return NULL;
1777                 }
1778         }
1779
1780         growing_buffer* sql_buf = buffer_init(32);
1781         buffer_fadd( sql_buf, "%s BETWEEN %s AND %s", osrfHashGet(field, "name"), x_string, y_string );
1782         free(x_string);
1783         free(y_string);
1784
1785         return buffer_release(sql_buf);
1786 }
1787
1788 static char* searchPredicate ( const char* class, osrfHash* field, jsonObject* node ) {
1789
1790         char* pred = NULL;
1791         if (node->type == JSON_ARRAY) { // equality IN search
1792                 pred = searchINPredicate( class, field, node, NULL );
1793         } else if (node->type == JSON_HASH) { // non-equality search
1794                 jsonObject* pred_node;
1795                 jsonIterator* pred_itr = jsonNewIterator( node );
1796                 while ( (pred_node = jsonIteratorNext( pred_itr )) ) {
1797                         if ( !(strcasecmp( pred_itr->key,"between" )) )
1798                                 pred = searchBETWEENPredicate( class, field, pred_node );
1799                         else if ( !(strcasecmp( pred_itr->key,"in" )) || !(strcasecmp( pred_itr->key,"not in" )) )
1800                                 pred = searchINPredicate( class, field, pred_node, pred_itr->key );
1801                         else if ( pred_node->type == JSON_ARRAY )
1802                                 pred = searchFunctionPredicate( class, field, pred_node, pred_itr->key );
1803                         else if ( pred_node->type == JSON_HASH )
1804                                 pred = searchFieldTransformPredicate( class, field, pred_node, pred_itr->key );
1805                         else
1806                                 pred = searchSimplePredicate( pred_itr->key, class, field, pred_node );
1807
1808                         break;
1809                 }
1810         jsonIteratorFree(pred_itr);
1811         } else if (node->type == JSON_NULL) { // IS NULL search
1812                 growing_buffer* _p = buffer_init(64);
1813                 buffer_fadd(
1814                         _p,
1815                         "\"%s\".%s IS NULL",
1816                         class,
1817                         osrfHashGet(field, "name")
1818                 );
1819                 pred = buffer_release(_p);
1820         } else { // equality search
1821                 pred = searchSimplePredicate( "=", class, field, node );
1822         }
1823
1824         return pred;
1825
1826 }
1827
1828
1829 /*
1830
1831 join : {
1832         acn : {
1833                 field : record,
1834                 fkey : id
1835                 type : left
1836                 filter_op : or
1837                 filter : { ... },
1838                 join : {
1839                         acp : {
1840                                 field : call_number,
1841                                 fkey : id,
1842                                 filter : { ... },
1843                         },
1844                 },
1845         },
1846         mrd : {
1847                 field : record,
1848                 type : inner
1849                 fkey : id,
1850                 filter : { ... },
1851         }
1852 }
1853
1854 */
1855
1856 static char* searchJOIN ( const jsonObject* join_hash, osrfHash* leftmeta ) {
1857
1858         const jsonObject* working_hash;
1859         jsonObject* freeable_hash = NULL;
1860
1861         if (join_hash->type == JSON_STRING) {
1862                 // create a wrapper around a copy of the original
1863                 char* _tmp = jsonObjectToSimpleString( join_hash );
1864                 freeable_hash = jsonNewObjectType(JSON_HASH);
1865                 jsonObjectSetKey(freeable_hash, _tmp, NULL);
1866                 free(_tmp);
1867                 working_hash = freeable_hash;
1868         }
1869         else
1870                 working_hash = join_hash;
1871
1872         growing_buffer* join_buf = buffer_init(128);
1873         char* leftclass = osrfHashGet(leftmeta, "classname");
1874
1875         jsonObject* snode = NULL;
1876         jsonIterator* search_itr = jsonNewIterator( working_hash );
1877         if(freeable_hash)
1878                 jsonObjectFree(freeable_hash);
1879
1880         while ( (snode = jsonIteratorNext( search_itr )) ) {
1881                 osrfHash* idlClass = osrfHashGet( oilsIDL(), search_itr->key );
1882
1883                 char* class = osrfHashGet(idlClass, "classname");
1884
1885                 char* fkey = jsonObjectToSimpleString( jsonObjectGetKeyConst( snode, "fkey" ) );
1886                 char* field = jsonObjectToSimpleString( jsonObjectGetKeyConst( snode, "field" ) );
1887
1888                 if (field && !fkey) {
1889                         fkey = (char*)oilsIDLFindPath("/%s/links/%s/key", class, field);
1890                         if (!fkey) {
1891                                 osrfLogError(
1892                                         OSRF_LOG_MARK,
1893                                         "%s: JOIN failed.  No link defined from %s.%s to %s",
1894                                         MODULENAME,
1895                                         class,
1896                                         field,
1897                                         leftclass
1898                                 );
1899                                 buffer_free(join_buf);
1900                                 free(field);
1901                                 jsonIteratorFree(search_itr);
1902                                 return NULL;
1903                         }
1904                         fkey = strdup( fkey );
1905
1906                 } else if (!field && fkey) {
1907                         field = (char*)oilsIDLFindPath("/%s/links/%s/key", leftclass, fkey );
1908                         if (!field) {
1909                                 osrfLogError(
1910                                         OSRF_LOG_MARK,
1911                                         "%s: JOIN failed.  No link defined from %s.%s to %s",
1912                                         MODULENAME,
1913                                         leftclass,
1914                                         fkey,
1915                                         class
1916                                 );
1917                                 buffer_free(join_buf);
1918                                 free(fkey);
1919                                 jsonIteratorFree(search_itr);
1920                                 return NULL;
1921                         }
1922                         field = strdup( field );
1923
1924                 } else if (!field && !fkey) {
1925                         osrfHash* _links = oilsIDLFindPath("/%s/links", leftclass);
1926
1927                         int i = 0;
1928                         osrfStringArray* keys = osrfHashKeys( _links );
1929                         while ( (fkey = osrfStringArrayGetString(keys, i++)) ) {
1930                                 fkey = strdup(osrfStringArrayGetString(keys, i++));
1931                                 if ( !strcmp( (char*)oilsIDLFindPath("/%s/links/%s/class", leftclass, fkey), class) ) {
1932                                         field = strdup( (char*)oilsIDLFindPath("/%s/links/%s/key", leftclass, fkey) );
1933                                         break;
1934                                 } else {
1935                                         free(fkey);
1936                                 }
1937                         }
1938                         osrfStringArrayFree(keys);
1939
1940                         if (!field && !fkey) {
1941                                 _links = oilsIDLFindPath("/%s/links", class);
1942
1943                                 i = 0;
1944                                 keys = osrfHashKeys( _links );
1945                                 while ( (field = osrfStringArrayGetString(keys, i++)) ) {
1946                                         field = strdup(osrfStringArrayGetString(keys, i++));
1947                                         if ( !strcmp( (char*)oilsIDLFindPath("/%s/links/%s/class", class, field), class) ) {
1948                                                 fkey = strdup( (char*)oilsIDLFindPath("/%s/links/%s/key", class, field) );
1949                                                 break;
1950                                         } else {
1951                                                 free(field);
1952                                         }
1953                                 }
1954                                 osrfStringArrayFree(keys);
1955                         }
1956
1957                         if (!field && !fkey) {
1958                                 osrfLogError(
1959                                         OSRF_LOG_MARK,
1960                                         "%s: JOIN failed.  No link defined between %s and %s",
1961                                         MODULENAME,
1962                                         leftclass,
1963                                         class
1964                                 );
1965                                 buffer_free(join_buf);
1966                                 jsonIteratorFree(search_itr);
1967                                 return NULL;
1968                         }
1969
1970                 }
1971
1972                 char* type = jsonObjectToSimpleString( jsonObjectGetKeyConst( snode, "type" ) );
1973                 if (type) {
1974                         if ( !strcasecmp(type,"left") ) {
1975                                 buffer_add(join_buf, " LEFT JOIN");
1976                         } else if ( !strcasecmp(type,"right") ) {
1977                                 buffer_add(join_buf, " RIGHT JOIN");
1978                         } else if ( !strcasecmp(type,"full") ) {
1979                                 buffer_add(join_buf, " FULL JOIN");
1980                         } else {
1981                                 buffer_add(join_buf, " INNER JOIN");
1982                         }
1983                 } else {
1984                         buffer_add(join_buf, " INNER JOIN");
1985                 }
1986                 free(type);
1987
1988                 char* table = getSourceDefinition(idlClass);
1989                 buffer_fadd(join_buf, " %s AS \"%s\" ON ( \"%s\".%s = \"%s\".%s", table, class, class, field, leftclass, fkey);
1990                 free(table);
1991
1992                 const jsonObject* filter = jsonObjectGetKeyConst( snode, "filter" );
1993                 if (filter) {
1994                         char* filter_op = jsonObjectToSimpleString( jsonObjectGetKeyConst( snode, "filter_op" ) );
1995                         if (filter_op) {
1996                                 if (!strcasecmp("or",filter_op)) {
1997                                         buffer_add( join_buf, " OR " );
1998                                 } else {
1999                                         buffer_add( join_buf, " AND " );
2000                                 }
2001                         } else {
2002                                 buffer_add( join_buf, " AND " );
2003                         }
2004
2005                         char* jpred = searchWHERE( filter, idlClass, AND_OP_JOIN, NULL );
2006                         buffer_fadd( join_buf, " %s", jpred );
2007                         free(jpred);
2008                         free(filter_op);
2009                 }
2010
2011                 buffer_add(join_buf, " ) ");
2012
2013                 const jsonObject* join_filter = jsonObjectGetKeyConst( snode, "join" );
2014                 if (join_filter) {
2015                         char* jpred = searchJOIN( join_filter, idlClass );
2016                         buffer_fadd( join_buf, " %s", jpred );
2017                         free(jpred);
2018                 }
2019
2020                 free(fkey);
2021                 free(field);
2022         }
2023
2024     jsonIteratorFree(search_itr);
2025
2026         return buffer_release(join_buf);
2027 }
2028
2029 /*
2030
2031 { +class : { -or|-and : { field : { op : value }, ... } ... }, ... }
2032 { +class : { -or|-and : [ { field : { op : value }, ... }, ...] ... }, ... }
2033 [ { +class : { -or|-and : [ { field : { op : value }, ... }, ...] ... }, ... }, ... ]
2034
2035 */
2036
2037 static char* searchWHERE ( const jsonObject* search_hash, osrfHash* meta, int opjoin_type, osrfMethodContext* ctx ) {
2038
2039         osrfLogDebug(
2040         OSRF_LOG_MARK,
2041         "%s: Entering searchWHERE; search_hash addr = %d, meta addr = %d, opjoin_type = %d, ctx addr = %d",
2042         MODULENAME,
2043         search_hash,
2044         meta,
2045         opjoin_type,
2046         ctx
2047     );
2048
2049         growing_buffer* sql_buf = buffer_init(128);
2050
2051         jsonObject* node = NULL;
2052
2053     int first = 1;
2054     if ( search_hash->type == JSON_ARRAY ) {
2055             osrfLogDebug(OSRF_LOG_MARK, "%s: In WHERE clause, condition type is JSON_ARRAY", MODULENAME);
2056         jsonIterator* search_itr = jsonNewIterator( search_hash );
2057         while ( (node = jsonIteratorNext( search_itr )) ) {
2058             if (first) {
2059                 first = 0;
2060             } else {
2061                 if (opjoin_type == OR_OP_JOIN) buffer_add(sql_buf, " OR ");
2062                 else buffer_add(sql_buf, " AND ");
2063             }
2064
2065             char* subpred = searchWHERE( node, meta, opjoin_type, ctx );
2066             buffer_fadd(sql_buf, "( %s )", subpred);
2067             free(subpred);
2068         }
2069         jsonIteratorFree(search_itr);
2070
2071     } else if ( search_hash->type == JSON_HASH ) {
2072             osrfLogDebug(OSRF_LOG_MARK, "%s: In WHERE clause, condition type is JSON_HASH", MODULENAME);
2073         jsonIterator* search_itr = jsonNewIterator( search_hash );
2074         while ( (node = jsonIteratorNext( search_itr )) ) {
2075
2076             if (first) {
2077                 first = 0;
2078             } else {
2079                 if (opjoin_type == OR_OP_JOIN) buffer_add(sql_buf, " OR ");
2080                 else buffer_add(sql_buf, " AND ");
2081             }
2082
2083             if ( !strncmp("+",search_itr->key,1) ) {
2084                 if ( node->type == JSON_STRING ) {
2085                     char* subpred = jsonObjectToSimpleString( node );
2086                     buffer_fadd(sql_buf, " \"%s\".%s ", search_itr->key + 1, subpred);
2087                     free(subpred);
2088                 } else {
2089                     char* subpred = searchWHERE( node, osrfHashGet( oilsIDL(), search_itr->key + 1 ), AND_OP_JOIN, ctx );
2090                     buffer_fadd(sql_buf, "( %s )", subpred);
2091                     free(subpred);
2092                 }
2093             } else if ( !strcasecmp("-or",search_itr->key) ) {
2094                 char* subpred = searchWHERE( node, meta, OR_OP_JOIN, ctx );
2095                 buffer_fadd(sql_buf, "( %s )", subpred);
2096                 free(subpred);
2097             } else if ( !strcasecmp("-and",search_itr->key) ) {
2098                 char* subpred = searchWHERE( node, meta, AND_OP_JOIN, ctx );
2099                 buffer_fadd(sql_buf, "( %s )", subpred);
2100                 free(subpred);
2101             } else if ( !strcasecmp("-exists",search_itr->key) ) {
2102                 char* subpred = SELECT(
2103                     ctx,
2104                     jsonObjectGetKey( node, "select" ),
2105                     jsonObjectGetKey( node, "from" ),
2106                     jsonObjectGetKey( node, "where" ),
2107                     jsonObjectGetKey( node, "having" ),
2108                     jsonObjectGetKey( node, "order_by" ),
2109                     jsonObjectGetKey( node, "limit" ),
2110                     jsonObjectGetKey( node, "offset" ),
2111                     SUBSELECT
2112                 );
2113
2114                 buffer_fadd(sql_buf, "EXISTS ( %s )", subpred);
2115                 free(subpred);
2116             } else if ( !strcasecmp("-not-exists",search_itr->key) ) {
2117                 char* subpred = SELECT(
2118                     ctx,
2119                     jsonObjectGetKey( node, "select" ),
2120                     jsonObjectGetKey( node, "from" ),
2121                     jsonObjectGetKey( node, "where" ),
2122                     jsonObjectGetKey( node, "having" ),
2123                     jsonObjectGetKey( node, "order_by" ),
2124                     jsonObjectGetKey( node, "limit" ),
2125                     jsonObjectGetKey( node, "offset" ),
2126                     SUBSELECT
2127                 );
2128
2129                 buffer_fadd(sql_buf, "NOT EXISTS ( %s )", subpred);
2130                 free(subpred);
2131             } else {
2132
2133                 char* class = osrfHashGet(meta, "classname");
2134                 osrfHash* fields = osrfHashGet(meta, "fields");
2135                 osrfHash* field = osrfHashGet( fields, search_itr->key );
2136
2137
2138                 if (!field) {
2139                     char* table = getSourceDefinition(meta);
2140                     osrfLogError(
2141                         OSRF_LOG_MARK,
2142                         "%s: Attempt to reference non-existant column %s on %s (%s)",
2143                         MODULENAME,
2144                         search_itr->key,
2145                         table,
2146                         class
2147                     );
2148                     buffer_free(sql_buf);
2149                     free(table);
2150                                         jsonIteratorFree(search_itr);
2151                                         return NULL;
2152                 }
2153
2154                 char* subpred = searchPredicate( class, field, node );
2155                 buffer_add( sql_buf, subpred );
2156                 free(subpred);
2157             }
2158         }
2159             jsonIteratorFree(search_itr);
2160
2161     } else {
2162         // ERROR ... only hash and array allowed at this level
2163         char* predicate_string = jsonObjectToJSON( search_hash );
2164         osrfLogError(
2165             OSRF_LOG_MARK,
2166             "%s: Invalid predicate structure: %s",
2167             MODULENAME,
2168             predicate_string
2169         );
2170         buffer_free(sql_buf);
2171         free(predicate_string);
2172         return NULL;
2173     }
2174
2175
2176         return buffer_release(sql_buf);
2177 }
2178
2179 static char* SELECT (
2180                 /* method context */ osrfMethodContext* ctx,
2181
2182                 /* SELECT   */ jsonObject* selhash,
2183                 /* FROM     */ jsonObject* join_hash,
2184                 /* WHERE    */ jsonObject* search_hash,
2185                 /* HAVING   */ jsonObject* having_hash,
2186                 /* ORDER BY */ jsonObject* order_hash,
2187                 /* LIMIT    */ jsonObject* limit,
2188                 /* OFFSET   */ jsonObject* offset,
2189                 /* flags    */ int flags
2190 ) {
2191         const char* locale = osrf_message_get_last_locale();
2192
2193         // in case we don't get a select list
2194         jsonObject* defaultselhash = NULL;
2195
2196         // general tmp objects
2197         const jsonObject* tmp_const;
2198         jsonObject* _tmp = NULL;
2199         jsonObject* selclass = NULL;
2200         jsonObject* selfield = NULL;
2201         jsonObject* snode = NULL;
2202         jsonObject* onode = NULL;
2203         jsonObject* found = NULL;
2204
2205         char* string = NULL;
2206         int from_function = 0;
2207         int first = 1;
2208         int gfirst = 1;
2209         //int hfirst = 1;
2210
2211         // the core search class
2212         char* core_class = NULL;
2213
2214         // metadata about the core search class
2215         osrfHash* core_meta = NULL;
2216         osrfHash* core_fields = NULL;
2217         osrfHash* idlClass = NULL;
2218
2219         // punt if there's no core class
2220         if (!join_hash || ( join_hash->type == JSON_HASH && !join_hash->size ))
2221                 return NULL;
2222
2223         // get the core class -- the only key of the top level FROM clause, or a string
2224         if (join_hash->type == JSON_HASH) {
2225                 jsonIterator* tmp_itr = jsonNewIterator( join_hash );
2226                 snode = jsonIteratorNext( tmp_itr );
2227
2228                 core_class = strdup( tmp_itr->key );
2229                 join_hash = snode;
2230
2231                 jsonIteratorFree( tmp_itr );
2232                 snode = NULL;
2233
2234         } else if (join_hash->type == JSON_ARRAY) {
2235         from_function = 1;
2236         selhash = NULL;
2237
2238         } else if (join_hash->type == JSON_STRING) {
2239                 core_class = jsonObjectToSimpleString( join_hash );
2240                 join_hash = NULL;
2241         }
2242
2243         // punt if we don't know about the core class (and it's not a function)
2244         if (!from_function && !(core_meta = osrfHashGet( oilsIDL(), core_class ))) {
2245                 free(core_class);
2246                 return NULL;
2247         }
2248
2249         // if the select list is empty, or the core class field list is '*',
2250         // build the default select list ...
2251         if (!selhash) {
2252                 selhash = defaultselhash = jsonNewObjectType(JSON_HASH);
2253                 jsonObjectSetKey( selhash, core_class, jsonNewObjectType(JSON_ARRAY) );
2254         } else if ( (tmp_const = jsonObjectGetKeyConst( selhash, core_class )) && tmp_const->type == JSON_STRING ) {
2255                 char* _x = jsonObjectToSimpleString( tmp_const );
2256                 if (!strncmp( "*", _x, 1 )) {
2257                         jsonObjectRemoveKey( selhash, core_class );
2258                         jsonObjectSetKey( selhash, core_class, jsonNewObjectType(JSON_ARRAY) );
2259                 }
2260                 free(_x);
2261         }
2262
2263         // the query buffer
2264         growing_buffer* sql_buf = buffer_init(128);
2265
2266         // temp buffer for the SELECT list
2267         growing_buffer* select_buf = buffer_init(128);
2268         growing_buffer* order_buf = buffer_init(128);
2269         growing_buffer* group_buf = buffer_init(128);
2270         growing_buffer* having_buf = buffer_init(128);
2271
2272         if (!from_function)
2273         core_fields = osrfHashGet(core_meta, "fields");
2274
2275         // ... and if we /are/ building the default list, do that
2276         if ( (_tmp = jsonObjectGetKey(selhash,core_class)) && !_tmp->size ) {
2277
2278                 int i = 0;
2279                 char* field;
2280
2281         if (!from_function) {
2282                 osrfStringArray* keys = osrfHashKeys( core_fields );
2283                 while ( (field = osrfStringArrayGetString(keys, i++)) ) {
2284                         if ( strncasecmp( "true", osrfHashGet( osrfHashGet( core_fields, field ), "virtual" ), 4 ) )
2285                                 jsonObjectPush( _tmp, jsonNewObject( field ) );
2286                 }
2287                 osrfStringArrayFree(keys);
2288         }
2289         }
2290
2291         // Now we build the actual select list
2292         if (!from_function) {
2293             int sel_pos = 1;
2294             jsonObject* is_agg = jsonObjectFindPath(selhash, "//aggregate");
2295             first = 1;
2296             gfirst = 1;
2297             jsonIterator* selclass_itr = jsonNewIterator( selhash );
2298             while ( (selclass = jsonIteratorNext( selclass_itr )) ) {
2299
2300                     // round trip through the idl, just to be safe
2301                     idlClass = osrfHashGet( oilsIDL(), selclass_itr->key );
2302                     if (!idlClass) continue;
2303                     char* cname = osrfHashGet(idlClass, "classname");
2304
2305                     // make sure the target relation is in the join tree
2306                     if (strcmp(core_class,cname)) {
2307                             if (!join_hash) continue;
2308
2309                             if (join_hash->type == JSON_STRING) {
2310                                     string = jsonObjectToSimpleString(join_hash);
2311                                     found = strcmp(string,cname) ? NULL : jsonParseString("{\"1\":\"1\"}");
2312                                     free(string);
2313                             } else {
2314                                     found = jsonObjectFindPath(join_hash, "//%s", cname);
2315                             }
2316
2317                             if (!found->size) {
2318                                     jsonObjectFree(found);
2319                                     continue;
2320                             }
2321
2322                             jsonObjectFree(found);
2323                     }
2324
2325                     // stitch together the column list ...
2326                     jsonIterator* select_itr = jsonNewIterator( selclass );
2327                     while ( (selfield = jsonIteratorNext( select_itr )) ) {
2328
2329                             char* __column = NULL;
2330                             char* __alias = NULL;
2331
2332                             // ... if it's a sstring, just toss it on the pile
2333                             if (selfield->type == JSON_STRING) {
2334
2335                                     // again, just to be safe
2336                                     char* _requested_col = jsonObjectToSimpleString(selfield);
2337                                     osrfHash* field = osrfHashGet( osrfHashGet( idlClass, "fields" ), _requested_col );
2338                                     free(_requested_col);
2339
2340                                     if (!field) continue;
2341                                     __column = strdup(osrfHashGet(field, "name"));
2342
2343                                     if (first) {
2344                                             first = 0;
2345                                     } else {
2346                                             buffer_add(select_buf, ",");
2347                                     }
2348
2349                     if (locale) {
2350                             char* i18n = osrfHashGet(field, "i18n");
2351                                     if (flags & DISABLE_I18N)
2352                             i18n = NULL;
2353
2354                             if ( i18n && !strncasecmp("true", i18n, 4)) {
2355                                 char* pkey = osrfHashGet(idlClass, "primarykey");
2356                                 char* tname = osrfHashGet(idlClass, "tablename");
2357
2358                             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);
2359                         } else {
2360                                             buffer_fadd(select_buf, " \"%s\".%s AS \"%s\"", cname, __column, __column);
2361                         }
2362                     } else {
2363                                         buffer_fadd(select_buf, " \"%s\".%s AS \"%s\"", cname, __column, __column);
2364                     }
2365
2366                             // ... but it could be an object, in which case we check for a Field Transform
2367                             } else {
2368
2369                                     __column = jsonObjectToSimpleString( jsonObjectGetKeyConst( selfield, "column" ) );
2370
2371                                     // again, just to be safe
2372                                     osrfHash* field = osrfHashGet( osrfHashGet( idlClass, "fields" ), __column );
2373                                     if (!field) continue;
2374                                     const char* fname = osrfHashGet(field, "name");
2375
2376                                     if (first) {
2377                                             first = 0;
2378                                     } else {
2379                                             buffer_add(select_buf, ",");
2380                                     }
2381
2382                                     if ((tmp_const = jsonObjectGetKeyConst( selfield, "alias" ))) {
2383                                             __alias = jsonObjectToSimpleString( tmp_const );
2384                                     } else {
2385                                             __alias = strdup(__column);
2386                                     }
2387
2388                                     if (jsonObjectGetKeyConst( selfield, "transform" )) {
2389                                             free(__column);
2390                                             __column = searchFieldTransform(cname, field, selfield);
2391                                             buffer_fadd(select_buf, " %s AS \"%s\"", __column, __alias);
2392                                     } else {
2393                         if (locale) {
2394                                     char* i18n = osrfHashGet(field, "i18n");
2395                                         if (flags & DISABLE_I18N)
2396                                 i18n = NULL;
2397
2398                                     if ( i18n && !strncasecmp("true", i18n, 4)) {
2399                                     char* pkey = osrfHashGet(idlClass, "primarykey");
2400                                     char* tname = osrfHashGet(idlClass, "tablename");
2401
2402                                 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);
2403                             } else {
2404                                                     buffer_fadd(select_buf, " \"%s\".%s AS \"%s\"", cname, fname, __alias);
2405                             }
2406                         } else {
2407                                                 buffer_fadd(select_buf, " \"%s\".%s AS \"%s\"", cname, fname, __alias);
2408                         }
2409                                     }
2410                             }
2411
2412                             if (is_agg->size || (flags & SELECT_DISTINCT)) {
2413
2414                                     if ( !(
2415                             jsonBoolIsTrue( jsonObjectGetKey( selfield, "aggregate" ) ) ||
2416                                 ((int)jsonObjectGetNumber(jsonObjectGetKey( selfield, "aggregate" ))) == 1 // support 1/0 for perl's sake
2417                          )
2418                     ) {
2419                                             if (gfirst) {
2420                                                     gfirst = 0;
2421                                             } else {
2422                                                     buffer_add(group_buf, ",");
2423                                             }
2424
2425                                             buffer_fadd(group_buf, " %d", sel_pos);
2426                                     /*
2427                                     } else if (is_agg = jsonObjectGetKey( selfield, "having" )) {
2428                                             if (gfirst) {
2429                                                     gfirst = 0;
2430                                             } else {
2431                                                     buffer_add(group_buf, ",");
2432                                             }
2433
2434                                             __column = searchFieldTransform(cname, field, selfield);
2435                                             buffer_fadd(group_buf, " %s", __column);
2436                                             __column = searchFieldTransform(cname, field, selfield);
2437                                     */
2438                                     }
2439                             }
2440
2441                             if (__column) free(__column);
2442                             if (__alias) free(__alias);
2443
2444                             sel_pos++;
2445                     }
2446
2447             // jsonIteratorFree(select_itr);
2448             }
2449
2450         // jsonIteratorFree(selclass_itr);
2451
2452             if (is_agg) jsonObjectFree(is_agg);
2453     } else {
2454         buffer_add(select_buf, "*");
2455     }
2456
2457
2458         char* col_list = buffer_release(select_buf);
2459         char* table = NULL;
2460     if (!from_function) table = getSourceDefinition(core_meta);
2461     else table = searchValueTransform(join_hash);
2462
2463         // Put it all together
2464         buffer_fadd(sql_buf, "SELECT %s FROM %s AS \"%s\" ", col_list, table, core_class );
2465         free(col_list);
2466         free(table);
2467
2468     if (!from_function) {
2469             // Now, walk the join tree and add that clause
2470             if ( join_hash ) {
2471                     char* join_clause = searchJOIN( join_hash, core_meta );
2472                     buffer_add(sql_buf, join_clause);
2473                     free(join_clause);
2474             }
2475
2476             if ( search_hash ) {
2477                     buffer_add(sql_buf, " WHERE ");
2478
2479                     // and it's on the the WHERE clause
2480                     char* pred = searchWHERE( search_hash, core_meta, AND_OP_JOIN, ctx );
2481
2482                     if (!pred) {
2483                             if (ctx) {
2484                                 osrfAppSessionStatus(
2485                                         ctx->session,
2486                                         OSRF_STATUS_INTERNALSERVERERROR,
2487                                         "osrfMethodException",
2488                                         ctx->request,
2489                                         "Severe query error in WHERE predicate -- see error log for more details"
2490                                 );
2491                             }
2492                             free(core_class);
2493                             buffer_free(having_buf);
2494                             buffer_free(group_buf);
2495                             buffer_free(order_buf);
2496                             buffer_free(sql_buf);
2497                             if (defaultselhash) jsonObjectFree(defaultselhash);
2498                             return NULL;
2499                     } else {
2500                             buffer_add(sql_buf, pred);
2501                             free(pred);
2502                     }
2503         }
2504
2505             if ( having_hash ) {
2506                     buffer_add(sql_buf, " HAVING ");
2507
2508                     // and it's on the the WHERE clause
2509                     char* pred = searchWHERE( having_hash, core_meta, AND_OP_JOIN, ctx );
2510
2511                     if (!pred) {
2512                             if (ctx) {
2513                                 osrfAppSessionStatus(
2514                                         ctx->session,
2515                                         OSRF_STATUS_INTERNALSERVERERROR,
2516                                         "osrfMethodException",
2517                                         ctx->request,
2518                                         "Severe query error in HAVING predicate -- see error log for more details"
2519                                 );
2520                             }
2521                             free(core_class);
2522                             buffer_free(having_buf);
2523                             buffer_free(group_buf);
2524                             buffer_free(order_buf);
2525                             buffer_free(sql_buf);
2526                             if (defaultselhash) jsonObjectFree(defaultselhash);
2527                             return NULL;
2528                     } else {
2529                             buffer_add(sql_buf, pred);
2530                             free(pred);
2531                     }
2532             }
2533
2534             first = 1;
2535             jsonIterator* class_itr = jsonNewIterator( order_hash );
2536             while ( (snode = jsonIteratorNext( class_itr )) ) {
2537
2538                     if (!jsonObjectGetKeyConst(selhash,class_itr->key))
2539                             continue;
2540
2541                     if ( snode->type == JSON_HASH ) {
2542
2543                         jsonIterator* order_itr = jsonNewIterator( snode );
2544                             while ( (onode = jsonIteratorNext( order_itr )) ) {
2545
2546                                     if (!oilsIDLFindPath( "/%s/fields/%s", class_itr->key, order_itr->key ))
2547                                             continue;
2548
2549                                     char* direction = NULL;
2550                                     if ( onode->type == JSON_HASH ) {
2551                                             if ( jsonObjectGetKeyConst( onode, "transform" ) ) {
2552                                                     string = searchFieldTransform(
2553                                                             class_itr->key,
2554                                                             oilsIDLFindPath( "/%s/fields/%s", class_itr->key, order_itr->key ),
2555                                                             onode
2556                                                     );
2557                                             } else {
2558                                                     growing_buffer* field_buf = buffer_init(16);
2559                                                     buffer_fadd(field_buf, "\"%s\".%s", class_itr->key, order_itr->key);
2560                                                     string = buffer_release(field_buf);
2561                                             }
2562
2563                                             if ( (tmp_const = jsonObjectGetKeyConst( onode, "direction" )) ) {
2564                                                     direction = jsonObjectToSimpleString(tmp_const);
2565                                                     if (!strncasecmp(direction, "d", 1)) {
2566                                                             free(direction);
2567                                                             direction = " DESC";
2568                                                     } else {
2569                                                             free(direction);
2570                                                             direction = " ASC";
2571                                                     }
2572                                             }
2573
2574                                     } else {
2575                                             string = strdup(order_itr->key);
2576                                             direction = jsonObjectToSimpleString(onode);
2577                                             if (!strncasecmp(direction, "d", 1)) {
2578                                                     free(direction);
2579                                                     direction = " DESC";
2580                                             } else {
2581                                                     free(direction);
2582                                                     direction = " ASC";
2583                                             }
2584                                     }
2585
2586                                     if (first) {
2587                                             first = 0;
2588                                     } else {
2589                                             buffer_add(order_buf, ", ");
2590                                     }
2591
2592                                     buffer_add(order_buf, string);
2593                                     free(string);
2594
2595                                     if (direction) {
2596                                             buffer_add(order_buf, direction);
2597                                     }
2598
2599                             }
2600                 // jsonIteratorFree(order_itr);
2601
2602                     } else if ( snode->type == JSON_ARRAY ) {
2603
2604                         jsonIterator* order_itr = jsonNewIterator( snode );
2605                             while ( (onode = jsonIteratorNext( order_itr )) ) {
2606
2607                                     char* _f = jsonObjectToSimpleString( onode );
2608
2609                                     if (!oilsIDLFindPath( "/%s/fields/%s", class_itr->key, _f))
2610                                             continue;
2611
2612                                     if (first) {
2613                                             first = 0;
2614                                     } else {
2615                                             buffer_add(order_buf, ", ");
2616                                     }
2617
2618                                     buffer_add(order_buf, _f);
2619                                     free(_f);
2620
2621                             }
2622                 // jsonIteratorFree(order_itr);
2623
2624
2625                     // IT'S THE OOOOOOOOOOOLD STYLE!
2626                     } else {
2627                             osrfLogError(OSRF_LOG_MARK, "%s: Possible SQL injection attempt; direct order by is not allowed", MODULENAME);
2628                             if (ctx) {
2629                                 osrfAppSessionStatus(
2630                                         ctx->session,
2631                                         OSRF_STATUS_INTERNALSERVERERROR,
2632                                         "osrfMethodException",
2633                                         ctx->request,
2634                                         "Severe query error -- see error log for more details"
2635                                 );
2636                             }
2637
2638                             free(core_class);
2639                             buffer_free(having_buf);
2640                             buffer_free(group_buf);
2641                             buffer_free(order_buf);
2642                             buffer_free(sql_buf);
2643                             if (defaultselhash) jsonObjectFree(defaultselhash);
2644                             jsonIteratorFree(class_itr);
2645                             return NULL;
2646                     }
2647
2648             }
2649     }
2650
2651     // jsonIteratorFree(class_itr);
2652
2653         string = buffer_release(group_buf);
2654
2655         if (strlen(string)) {
2656                 buffer_fadd(
2657                         sql_buf,
2658                         " GROUP BY %s",
2659                         string
2660                 );
2661         }
2662
2663         free(string);
2664
2665         string = buffer_release(having_buf);
2666
2667         if (strlen(string)) {
2668                 buffer_fadd(
2669                         sql_buf,
2670                         " HAVING %s",
2671                         string
2672                 );
2673         }
2674
2675         free(string);
2676
2677         string = buffer_release(order_buf);
2678
2679         if (strlen(string)) {
2680                 buffer_fadd(
2681                         sql_buf,
2682                         " ORDER BY %s",
2683                         string
2684                 );
2685         }
2686
2687         free(string);
2688
2689         if ( limit ){
2690                 string = jsonObjectToSimpleString(limit);
2691                 buffer_fadd( sql_buf, " LIMIT %d", atoi(string) );
2692                 free(string);
2693         }
2694
2695         if (offset) {
2696                 string = jsonObjectToSimpleString(offset);
2697                 buffer_fadd( sql_buf, " OFFSET %d", atoi(string) );
2698                 free(string);
2699         }
2700
2701         if (!(flags & SUBSELECT)) buffer_add(sql_buf, ";");
2702
2703         free(core_class);
2704         if (defaultselhash) jsonObjectFree(defaultselhash);
2705
2706         return buffer_release(sql_buf);
2707
2708 }
2709
2710 static char* buildSELECT ( jsonObject* search_hash, jsonObject* order_hash, osrfHash* meta, osrfMethodContext* ctx ) {
2711
2712         const char* locale = osrf_message_get_last_locale();
2713
2714         osrfHash* fields = osrfHashGet(meta, "fields");
2715         char* core_class = osrfHashGet(meta, "classname");
2716
2717         const jsonObject* join_hash = jsonObjectGetKeyConst( order_hash, "join" );
2718
2719         jsonObject* node = NULL;
2720         jsonObject* snode = NULL;
2721         jsonObject* onode = NULL;
2722         const jsonObject* _tmp = NULL;
2723         jsonObject* selhash = NULL;
2724         jsonObject* defaultselhash = NULL;
2725
2726         growing_buffer* sql_buf = buffer_init(128);
2727         growing_buffer* select_buf = buffer_init(128);
2728
2729         if ( !(selhash = jsonObjectGetKey( order_hash, "select" )) ) {
2730                 defaultselhash = jsonNewObjectType(JSON_HASH);
2731                 selhash = defaultselhash;
2732         }
2733
2734         if ( !jsonObjectGetKeyConst(selhash,core_class) ) {
2735                 jsonObjectSetKey( selhash, core_class, jsonNewObjectType(JSON_ARRAY) );
2736                 jsonObject* flist = jsonObjectGetKey( selhash, core_class );
2737
2738                 int i = 0;
2739                 char* field;
2740
2741                 osrfStringArray* keys = osrfHashKeys( fields );
2742                 while ( (field = osrfStringArrayGetString(keys, i++)) ) {
2743                         if ( strcasecmp( "true", osrfHashGet( osrfHashGet( fields, field ), "virtual" ) ) )
2744                                 jsonObjectPush( flist, jsonNewObject( field ) );
2745                 }
2746                 osrfStringArrayFree(keys);
2747         }
2748
2749         int first = 1;
2750         jsonIterator* class_itr = jsonNewIterator( selhash );
2751         while ( (snode = jsonIteratorNext( class_itr )) ) {
2752
2753                 osrfHash* idlClass = osrfHashGet( oilsIDL(), class_itr->key );
2754                 if (!idlClass) continue;
2755                 char* cname = osrfHashGet(idlClass, "classname");
2756
2757                 if (strcmp(core_class,class_itr->key)) {
2758                         if (!join_hash) continue;
2759
2760                         jsonObject* found =  jsonObjectFindPath(join_hash, "//%s", class_itr->key);
2761                         if (!found->size) {
2762                                 jsonObjectFree(found);
2763                                 continue;
2764                         }
2765
2766                         jsonObjectFree(found);
2767                 }
2768
2769                 jsonIterator* select_itr = jsonNewIterator( snode );
2770                 while ( (node = jsonIteratorNext( select_itr )) ) {
2771                         char* item_str = jsonObjectToSimpleString(node);
2772                         osrfHash* field = osrfHashGet( osrfHashGet( idlClass, "fields" ), item_str );
2773                         free(item_str);
2774                         char* fname = osrfHashGet(field, "name");
2775
2776                         if (!field) continue;
2777
2778                         if (first) {
2779                                 first = 0;
2780                         } else {
2781                                 buffer_add(select_buf, ",");
2782                         }
2783
2784             if (locale) {
2785                         char* i18n = osrfHashGet(field, "i18n");
2786                             if ( !(
2787                         jsonBoolIsTrue( jsonObjectGetKey( order_hash, "no_i18n" ) ) ||
2788                         ((int)jsonObjectGetNumber(jsonObjectGetKey( order_hash, "no_i18n" ))) == 1 // support 1/0 for perl's sake
2789                      )
2790                 ) i18n = NULL;
2791
2792                         if ( i18n && !strncasecmp("true", i18n, 4)) {
2793                         char* pkey = osrfHashGet(idlClass, "primarykey");
2794                         char* tname = osrfHashGet(idlClass, "tablename");
2795
2796                     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);
2797                 } else {
2798                                 buffer_fadd(select_buf, " \"%s\".%s", cname, fname);
2799                 }
2800             } else {
2801                             buffer_fadd(select_buf, " \"%s\".%s", cname, fname);
2802             }
2803                 }
2804
2805         jsonIteratorFree(select_itr);
2806         }
2807
2808     jsonIteratorFree(class_itr);
2809
2810         char* col_list = buffer_release(select_buf);
2811         char* table = getSourceDefinition(meta);
2812
2813         buffer_fadd(sql_buf, "SELECT %s FROM %s AS \"%s\"", col_list, table, core_class );
2814         free(col_list);
2815         free(table);
2816
2817         if ( join_hash ) {
2818                 char* join_clause = searchJOIN( join_hash, meta );
2819                 buffer_fadd(sql_buf, " %s", join_clause);
2820                 free(join_clause);
2821         }
2822
2823         char* tmpsql = buffer_data(sql_buf); // This strdup's ... no worries.
2824         osrfLogDebug(OSRF_LOG_MARK, "%s pre-predicate SQL =  %s", MODULENAME, tmpsql);
2825         free(tmpsql);
2826
2827         buffer_add(sql_buf, " WHERE ");
2828
2829         char* pred = searchWHERE( search_hash, meta, AND_OP_JOIN, ctx );
2830         if (!pred) {
2831                 osrfAppSessionStatus(
2832                         ctx->session,
2833                         OSRF_STATUS_INTERNALSERVERERROR,
2834                                 "osrfMethodException",
2835                                 ctx->request,
2836                                 "Severe query error -- see error log for more details"
2837                         );
2838                 buffer_free(sql_buf);
2839                 if(defaultselhash) jsonObjectFree(defaultselhash);
2840                 return NULL;
2841         } else {
2842                 buffer_add(sql_buf, pred);
2843                 free(pred);
2844         }
2845
2846         if (order_hash) {
2847                 char* string = NULL;
2848                 if ( (_tmp = jsonObjectGetKeyConst( order_hash, "order_by" )) ){
2849
2850                         growing_buffer* order_buf = buffer_init(128);
2851
2852                         first = 1;
2853                         jsonIterator* class_itr = jsonNewIterator( _tmp );
2854                         while ( (snode = jsonIteratorNext( class_itr )) ) {
2855
2856                                 if (!jsonObjectGetKeyConst(selhash,class_itr->key))
2857                                         continue;
2858
2859                                 if ( snode->type == JSON_HASH ) {
2860
2861                                         jsonIterator* order_itr = jsonNewIterator( snode );
2862                                         while ( (onode = jsonIteratorNext( order_itr )) ) {
2863
2864                                                 if (!oilsIDLFindPath( "/%s/fields/%s", class_itr->key, order_itr->key ))
2865                                                         continue;
2866
2867                                                 char* direction = NULL;
2868                                                 if ( onode->type == JSON_HASH ) {
2869                                                         if ( jsonObjectGetKeyConst( onode, "transform" ) ) {
2870                                                                 string = searchFieldTransform(
2871                                                                         class_itr->key,
2872                                                                         oilsIDLFindPath( "/%s/fields/%s", class_itr->key, order_itr->key ),
2873                                                                         onode
2874                                                                 );
2875                                                         } else {
2876                                                                 growing_buffer* field_buf = buffer_init(16);
2877                                                                 buffer_fadd(field_buf, "\"%s\".%s", class_itr->key, order_itr->key);
2878                                                                 string = buffer_release(field_buf);
2879                                                         }
2880
2881                                                         if ( (_tmp = jsonObjectGetKeyConst( onode, "direction" )) ) {
2882                                                                 direction = jsonObjectToSimpleString(_tmp);
2883                                                                 if (!strncasecmp(direction, "d", 1)) {
2884                                                                         free(direction);
2885                                                                         direction = " DESC";
2886                                                                 } else {
2887                                                                         free(direction);
2888                                                                         direction = " ASC";
2889                                                                 }
2890                                                         }
2891
2892                                                 } else {
2893                                                         string = strdup(order_itr->key);
2894                                                         direction = jsonObjectToSimpleString(onode);
2895                                                         if (!strncasecmp(direction, "d", 1)) {
2896                                                                 free(direction);
2897                                                                 direction = " DESC";
2898                                                         } else {
2899                                                                 free(direction);
2900                                                                 direction = " ASC";
2901                                                         }
2902                                                 }
2903
2904                                                 if (first) {
2905                                                         first = 0;
2906                                                 } else {
2907                                                         buffer_add(order_buf, ", ");
2908                                                 }
2909
2910                                                 buffer_add(order_buf, string);
2911                                                 free(string);
2912
2913                                                 if (direction) {
2914                                                         buffer_add(order_buf, direction);
2915                                                 }
2916
2917                                         }
2918
2919                     jsonIteratorFree(order_itr);
2920
2921                                 } else {
2922                                         string = jsonObjectToSimpleString(snode);
2923                                         buffer_add(order_buf, string);
2924                                         free(string);
2925                                         break;
2926                                 }
2927
2928                         }
2929
2930             jsonIteratorFree(class_itr);
2931
2932                         string = buffer_release(order_buf);
2933
2934                         if (strlen(string)) {
2935                                 buffer_fadd(
2936                                         sql_buf,
2937                                         " ORDER BY %s",
2938                                         string
2939                                 );
2940                         }
2941
2942                         free(string);
2943                 }
2944
2945                 if ( (_tmp = jsonObjectGetKeyConst( order_hash, "limit" )) ){
2946                         string = jsonObjectToSimpleString(_tmp);
2947                         buffer_fadd(
2948                                 sql_buf,
2949                                 " LIMIT %d",
2950                                 atoi(string)
2951                         );
2952                         free(string);
2953                 }
2954
2955                 _tmp = jsonObjectGetKeyConst( order_hash, "offset" );
2956                 if (_tmp) {
2957                         string = jsonObjectToSimpleString(_tmp);
2958                         buffer_fadd(
2959                                 sql_buf,
2960                                 " OFFSET %d",
2961                                 atoi(string)
2962                         );
2963                         free(string);
2964                 }
2965         }
2966
2967         if (defaultselhash) jsonObjectFree(defaultselhash);
2968
2969         buffer_add(sql_buf, ";");
2970         return buffer_release(sql_buf);
2971 }
2972
2973 int doJSONSearch ( osrfMethodContext* ctx ) {
2974         OSRF_METHOD_VERIFY_CONTEXT(ctx);
2975         osrfLogDebug(OSRF_LOG_MARK, "Recieved query request");
2976
2977         int err = 0;
2978
2979         // XXX for now...
2980         dbhandle = writehandle;
2981
2982         jsonObject* hash = jsonObjectGetIndex(ctx->params, 0);
2983
2984     int flags = 0;
2985
2986         if (jsonBoolIsTrue(jsonObjectGetKey( hash, "distinct" )))
2987          flags |= SELECT_DISTINCT;
2988
2989         if ( ((int)jsonObjectGetNumber(jsonObjectGetKey( hash, "distinct" ))) == 1 ) // support 1/0 for perl's sake
2990          flags |= SELECT_DISTINCT;
2991
2992         if (jsonBoolIsTrue(jsonObjectGetKey( hash, "no_i18n" )))
2993          flags |= DISABLE_I18N;
2994
2995         if ( ((int)jsonObjectGetNumber(jsonObjectGetKey( hash, "no_i18n" ))) == 1 ) // support 1/0 for perl's sake
2996          flags |= DISABLE_I18N;
2997
2998         osrfLogDebug(OSRF_LOG_MARK, "Building SQL ...");
2999         char* sql = SELECT(
3000                         ctx,
3001                         jsonObjectGetKey( hash, "select" ),
3002                         jsonObjectGetKey( hash, "from" ),
3003                         jsonObjectGetKey( hash, "where" ),
3004                         jsonObjectGetKey( hash, "having" ),
3005                         jsonObjectGetKey( hash, "order_by" ),
3006                         jsonObjectGetKey( hash, "limit" ),
3007                         jsonObjectGetKey( hash, "offset" ),
3008                         flags
3009         );
3010
3011         if (!sql) {
3012                 err = -1;
3013                 return err;
3014         }
3015
3016         osrfLogDebug(OSRF_LOG_MARK, "%s SQL =  %s", MODULENAME, sql);
3017         dbi_result result = dbi_conn_query(dbhandle, sql);
3018
3019         if(result) {
3020                 osrfLogDebug(OSRF_LOG_MARK, "Query returned with no errors");
3021
3022                 if (dbi_result_first_row(result)) {
3023                         /* JSONify the result */
3024                         osrfLogDebug(OSRF_LOG_MARK, "Query returned at least one row");
3025
3026                         do {
3027                                 jsonObject* return_val = oilsMakeJSONFromResult( result );
3028                                 osrfAppRespond( ctx, return_val );
3029                 jsonObjectFree( return_val );
3030                         } while (dbi_result_next_row(result));
3031
3032                 } else {
3033                         osrfLogDebug(OSRF_LOG_MARK, "%s returned no results for query %s", MODULENAME, sql);
3034                 }
3035
3036                 osrfAppRespondComplete( ctx, NULL );
3037
3038                 /* clean up the query */
3039                 dbi_result_free(result);
3040
3041         } else {
3042                 err = -1;
3043                 osrfLogError(OSRF_LOG_MARK, "%s: Error with query [%s]", MODULENAME, sql);
3044                 osrfAppSessionStatus(
3045                         ctx->session,
3046                         OSRF_STATUS_INTERNALSERVERERROR,
3047                         "osrfMethodException",
3048                         ctx->request,
3049                         "Severe query error -- see error log for more details"
3050                 );
3051         }
3052
3053         free(sql);
3054         return err;
3055 }
3056
3057 static jsonObject* doFieldmapperSearch ( osrfMethodContext* ctx, osrfHash* meta,
3058                 const jsonObject* params, int* err ) {
3059
3060         // XXX for now...
3061         dbhandle = writehandle;
3062
3063         osrfHash* links = osrfHashGet(meta, "links");
3064         osrfHash* fields = osrfHashGet(meta, "fields");
3065         char* core_class = osrfHashGet(meta, "classname");
3066         char* pkey = osrfHashGet(meta, "primarykey");
3067
3068         const jsonObject* _tmp;
3069         jsonObject* obj;
3070         jsonObject* search_hash = jsonObjectGetIndex(params, 0);
3071         jsonObject* order_hash = jsonObjectGetIndex(params, 1);
3072
3073         char* sql = buildSELECT( search_hash, order_hash, meta, ctx );
3074         if (!sql) {
3075                 osrfLogDebug(OSRF_LOG_MARK, "Problem building query, returning NULL");
3076                 *err = -1;
3077                 return NULL;
3078         }
3079
3080         osrfLogDebug(OSRF_LOG_MARK, "%s SQL =  %s", MODULENAME, sql);
3081         dbi_result result = dbi_conn_query(dbhandle, sql);
3082
3083         jsonObject* res_list = jsonNewObjectType(JSON_ARRAY);
3084         if(result) {
3085                 osrfLogDebug(OSRF_LOG_MARK, "Query returned with no errors");
3086                 osrfHash* dedup = osrfNewHash();
3087
3088                 if (dbi_result_first_row(result)) {
3089                         /* JSONify the result */
3090                         osrfLogDebug(OSRF_LOG_MARK, "Query returned at least one row");
3091                         do {
3092                                 obj = oilsMakeFieldmapperFromResult( result, meta );
3093                                 char* pkey_val = oilsFMGetString( obj, pkey );
3094                                 if ( osrfHashGet( dedup, pkey_val ) ) {
3095                                         jsonObjectFree(obj);
3096                                         free(pkey_val);
3097                                 } else {
3098                                         osrfHashSet( dedup, pkey_val, pkey_val );
3099                                         jsonObjectPush(res_list, obj);
3100                                 }
3101                         } while (dbi_result_next_row(result));
3102                 } else {
3103                         osrfLogDebug(OSRF_LOG_MARK, "%s returned no results for query %s", MODULENAME, sql);
3104                 }
3105
3106                 osrfHashFree(dedup);
3107
3108                 /* clean up the query */
3109                 dbi_result_free(result);
3110
3111         } else {
3112                 osrfLogError(OSRF_LOG_MARK, "%s: Error retrieving %s with query [%s]", MODULENAME, osrfHashGet(meta, "fieldmapper"), sql);
3113                 osrfAppSessionStatus(
3114                         ctx->session,
3115                         OSRF_STATUS_INTERNALSERVERERROR,
3116                         "osrfMethodException",
3117                         ctx->request,
3118                         "Severe query error -- see error log for more details"
3119                 );
3120                 *err = -1;
3121                 free(sql);
3122                 jsonObjectFree(res_list);
3123                 return jsonNULL;
3124
3125         }
3126
3127         free(sql);
3128
3129         if (res_list->size && order_hash) {
3130                 _tmp = jsonObjectGetKeyConst( order_hash, "flesh" );
3131                 if (_tmp) {
3132                         int x = (int)jsonObjectGetNumber(_tmp);
3133                         if (x == -1 || x > max_flesh_depth) x = max_flesh_depth;
3134
3135                         const jsonObject* temp_blob;
3136                         if ((temp_blob = jsonObjectGetKeyConst( order_hash, "flesh_fields" )) && x > 0) {
3137
3138                                 jsonObject* flesh_blob = jsonObjectClone( temp_blob );
3139                                 const jsonObject* flesh_fields = jsonObjectGetKeyConst( flesh_blob, core_class );
3140
3141                                 osrfStringArray* link_fields = NULL;
3142
3143                                 if (flesh_fields) {
3144                                         if (flesh_fields->size == 1) {
3145                                                 char* _t = jsonObjectToSimpleString( jsonObjectGetIndex( flesh_fields, 0 ) );
3146                                                 if (!strcmp(_t,"*")) link_fields = osrfHashKeys( links );
3147                                                 free(_t);
3148                                         }
3149
3150                                         if (!link_fields) {
3151                                                 jsonObject* _f;
3152                                                 link_fields = osrfNewStringArray(1);
3153                                                 jsonIterator* _i = jsonNewIterator( flesh_fields );
3154                                                 while ((_f = jsonIteratorNext( _i ))) {
3155                                                         osrfStringArrayAdd( link_fields, jsonObjectToSimpleString( _f ) );
3156                                                 }
3157                         jsonIteratorFree(_i);
3158                                         }
3159                                 }
3160
3161                                 jsonObject* cur;
3162                                 jsonIterator* itr = jsonNewIterator( res_list );
3163                                 while ((cur = jsonIteratorNext( itr ))) {
3164
3165                                         int i = 0;
3166                                         char* link_field;
3167
3168                                         while ( (link_field = osrfStringArrayGetString(link_fields, i++)) ) {
3169
3170                                                 osrfLogDebug(OSRF_LOG_MARK, "Starting to flesh %s", link_field);
3171
3172                                                 osrfHash* kid_link = osrfHashGet(links, link_field);
3173                                                 if (!kid_link) continue;
3174
3175                                                 osrfHash* field = osrfHashGet(fields, link_field);
3176                                                 if (!field) continue;
3177
3178                                                 osrfHash* value_field = field;
3179
3180                                                 osrfHash* kid_idl = osrfHashGet(oilsIDL(), osrfHashGet(kid_link, "class"));
3181                                                 if (!kid_idl) continue;
3182
3183                                                 if (!(strcmp( osrfHashGet(kid_link, "reltype"), "has_many" ))) { // has_many
3184                                                         value_field = osrfHashGet( fields, osrfHashGet(meta, "primarykey") );
3185                                                 }
3186
3187                                                 if (!(strcmp( osrfHashGet(kid_link, "reltype"), "might_have" ))) { // might_have
3188                                                         value_field = osrfHashGet( fields, osrfHashGet(meta, "primarykey") );
3189                                                 }
3190
3191                                                 osrfStringArray* link_map = osrfHashGet( kid_link, "map" );
3192
3193                                                 if (link_map->size > 0) {
3194                                                         jsonObject* _kid_key = jsonNewObjectType(JSON_ARRAY);
3195                                                         jsonObjectPush(
3196                                                                 _kid_key,
3197                                                                 jsonNewObject( osrfStringArrayGetString( link_map, 0 ) )
3198                                                         );
3199
3200                                                         jsonObjectSetKey(
3201                                                                 flesh_blob,
3202                                                                 osrfHashGet(kid_link, "class"),
3203                                                                 _kid_key
3204                                                         );
3205                                                 };
3206
3207                                                 osrfLogDebug(
3208                                                         OSRF_LOG_MARK,
3209                                                         "Link field: %s, remote class: %s, fkey: %s, reltype: %s",
3210                                                         osrfHashGet(kid_link, "field"),
3211                                                         osrfHashGet(kid_link, "class"),
3212                                                         osrfHashGet(kid_link, "key"),
3213                                                         osrfHashGet(kid_link, "reltype")
3214                                                 );
3215
3216                                                 jsonObject* fake_params = jsonNewObjectType(JSON_ARRAY);
3217                                                 jsonObjectPush(fake_params, jsonNewObjectType(JSON_HASH)); // search hash
3218                                                 jsonObjectPush(fake_params, jsonNewObjectType(JSON_HASH)); // order/flesh hash
3219
3220                                                 osrfLogDebug(OSRF_LOG_MARK, "Creating dummy params object...");
3221
3222                                                 char* search_key =
3223                                                 jsonObjectToSimpleString(
3224                                                         jsonObjectGetIndex(
3225                                                                 cur,
3226                                                                 atoi( osrfHashGet(value_field, "array_position") )
3227                                                         )
3228                                                 );
3229
3230                                                 if (!search_key) {
3231                                                         osrfLogDebug(OSRF_LOG_MARK, "Nothing to search for!");
3232                                                         continue;
3233                                                 }
3234
3235                                                 jsonObjectSetKey(
3236                                                         jsonObjectGetIndex(fake_params, 0),
3237                                                         osrfHashGet(kid_link, "key"),
3238                                                         jsonNewObject( search_key )
3239                                                 );
3240
3241                                                 free(search_key);
3242
3243
3244                                                 jsonObjectSetKey(
3245                                                         jsonObjectGetIndex(fake_params, 1),
3246                                                         "flesh",
3247                                                         jsonNewNumberObject( (double)(x - 1 + link_map->size) )
3248                                                 );
3249
3250                                                 if (flesh_blob)
3251                                                         jsonObjectSetKey( jsonObjectGetIndex(fake_params, 1), "flesh_fields", jsonObjectClone(flesh_blob) );
3252
3253                                                 if (jsonObjectGetKeyConst(order_hash, "order_by")) {
3254                                                         jsonObjectSetKey(
3255                                                                 jsonObjectGetIndex(fake_params, 1),
3256                                                                 "order_by",
3257                                                                 jsonObjectClone(jsonObjectGetKeyConst(order_hash, "order_by"))
3258                                                         );
3259                                                 }
3260
3261                                                 if (jsonObjectGetKeyConst(order_hash, "select")) {
3262                                                         jsonObjectSetKey(
3263                                                                 jsonObjectGetIndex(fake_params, 1),
3264                                                                 "select",
3265                                                                 jsonObjectClone(jsonObjectGetKeyConst(order_hash, "select"))
3266                                                         );
3267                                                 }
3268
3269                                                 jsonObject* kids = doFieldmapperSearch(ctx, kid_idl, fake_params, err);
3270
3271                                                 if(*err) {
3272                                                         jsonObjectFree( fake_params );
3273                                                         osrfStringArrayFree(link_fields);
3274                                                         jsonIteratorFree(itr);
3275                                                         jsonObjectFree(res_list);
3276                                                         jsonObjectFree(flesh_blob);
3277                                                         return jsonNULL;
3278                                                 }
3279
3280                                                 osrfLogDebug(OSRF_LOG_MARK, "Search for %s return %d linked objects", osrfHashGet(kid_link, "class"), kids->size);
3281
3282                                                 jsonObject* X = NULL;
3283                                                 if ( link_map->size > 0 && kids->size > 0 ) {
3284                                                         X = kids;
3285                                                         kids = jsonNewObjectType(JSON_ARRAY);
3286
3287                                                         jsonObject* _k_node;
3288                                                         jsonIterator* _k = jsonNewIterator( X );
3289                                                         while ((_k_node = jsonIteratorNext( _k ))) {
3290                                                                 jsonObjectPush(
3291                                                                         kids,
3292                                                                         jsonObjectClone(
3293                                                                                 jsonObjectGetIndex(
3294                                                                                         _k_node,
3295                                                                                         (unsigned long)atoi(
3296                                                                                                 osrfHashGet(
3297                                                                                                         osrfHashGet(
3298                                                                                                                 osrfHashGet(
3299                                                                                                                         osrfHashGet(
3300                                                                                                                                 oilsIDL(),
3301                                                                                                                                 osrfHashGet(kid_link, "class")
3302                                                                                                                         ),
3303                                                                                                                         "fields"
3304                                                                                                                 ),
3305                                                                                                                 osrfStringArrayGetString( link_map, 0 )
3306                                                                                                         ),
3307                                                                                                         "array_position"
3308                                                                                                 )
3309                                                                                         )
3310                                                                                 )
3311                                                                         )
3312                                                                 );
3313                                                         }
3314                                                         jsonIteratorFree(_k);
3315                                                 }
3316
3317                                                 if (!(strcmp( osrfHashGet(kid_link, "reltype"), "has_a" )) || !(strcmp( osrfHashGet(kid_link, "reltype"), "might_have" ))) {
3318                                                         osrfLogDebug(OSRF_LOG_MARK, "Storing fleshed objects in %s", osrfHashGet(kid_link, "field"));
3319                                                         jsonObjectSetIndex(
3320                                                                 cur,
3321                                                                 (unsigned long)atoi( osrfHashGet( field, "array_position" ) ),
3322                                                                 jsonObjectClone( jsonObjectGetIndex(kids, 0) )
3323                                                         );
3324                                                 }
3325
3326                                                 if (!(strcmp( osrfHashGet(kid_link, "reltype"), "has_many" ))) { // has_many
3327                                                         osrfLogDebug(OSRF_LOG_MARK, "Storing fleshed objects in %s", osrfHashGet(kid_link, "field"));
3328                                                         jsonObjectSetIndex(
3329                                                                 cur,
3330                                                                 (unsigned long)atoi( osrfHashGet( field, "array_position" ) ),
3331                                                                 jsonObjectClone( kids )
3332                                                         );
3333                                                 }
3334
3335                                                 if (X) {
3336                                                         jsonObjectFree(kids);
3337                                                         kids = X;
3338                                                 }
3339
3340                                                 jsonObjectFree( kids );
3341                                                 jsonObjectFree( fake_params );
3342
3343                                                 osrfLogDebug(OSRF_LOG_MARK, "Fleshing of %s complete", osrfHashGet(kid_link, "field"));
3344                                                 osrfLogDebug(OSRF_LOG_MARK, "%s", jsonObjectToJSON(cur));
3345
3346                                         }
3347                                 }
3348                                 jsonObjectFree( flesh_blob );
3349                                 osrfStringArrayFree(link_fields);
3350                                 jsonIteratorFree(itr);
3351                         }
3352                 }
3353         }
3354
3355         return res_list;
3356 }
3357
3358
3359 static jsonObject* doUpdate(osrfMethodContext* ctx, int* err ) {
3360
3361         osrfHash* meta = osrfHashGet( (osrfHash*) ctx->method->userData, "class" );
3362 #ifdef PCRUD
3363         jsonObject* target = jsonObjectGetIndex( ctx->params, 1 );
3364 #else
3365         jsonObject* target = jsonObjectGetIndex( ctx->params, 0 );
3366 #endif
3367
3368         if (!verifyObjectClass(ctx, target)) {
3369                 *err = -1;
3370                 return jsonNULL;
3371         }
3372
3373         if (!osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )) {
3374                 osrfAppSessionStatus(
3375                         ctx->session,
3376                         OSRF_STATUS_BADREQUEST,
3377                         "osrfMethodException",
3378                         ctx->request,
3379                         "No active transaction -- required for UPDATE"
3380                 );
3381                 *err = -1;
3382                 return jsonNULL;
3383         }
3384
3385         if (osrfHashGet( meta, "readonly" ) && strncasecmp("true", osrfHashGet( meta, "readonly" ), 4)) {
3386                 osrfAppSessionStatus(
3387                         ctx->session,
3388                         OSRF_STATUS_BADREQUEST,
3389                         "osrfMethodException",
3390                         ctx->request,
3391                         "Cannot UPDATE readonly class"
3392                 );
3393                 *err = -1;
3394                 return jsonNULL;
3395         }
3396
3397         dbhandle = writehandle;
3398
3399         char* trans_id = osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" );
3400
3401         // Set the last_xact_id
3402         int index = oilsIDL_ntop( target->classname, "last_xact_id" );
3403         if (index > -1) {
3404                 osrfLogDebug(OSRF_LOG_MARK, "Setting last_xact_id to %s on %s at position %d", trans_id, target->classname, index);
3405                 jsonObjectSetIndex(target, index, jsonNewObject(trans_id));
3406         }
3407
3408         char* pkey = osrfHashGet(meta, "primarykey");
3409         osrfHash* fields = osrfHashGet(meta, "fields");
3410
3411         char* id = oilsFMGetString( target, pkey );
3412
3413         osrfLogDebug(
3414                 OSRF_LOG_MARK,
3415                 "%s updating %s object with %s = %s",
3416                 MODULENAME,
3417                 osrfHashGet(meta, "fieldmapper"),
3418                 pkey,
3419                 id
3420         );
3421
3422         growing_buffer* sql = buffer_init(128);
3423         buffer_fadd(sql,"UPDATE %s SET", osrfHashGet(meta, "tablename"));
3424
3425         int i = 0;
3426         int first = 1;
3427         char* field_name;
3428         osrfStringArray* field_list = osrfHashKeys( fields );
3429         while ( (field_name = osrfStringArrayGetString(field_list, i++)) ) {
3430
3431                 osrfHash* field = osrfHashGet( fields, field_name );
3432
3433                 if(!( strcmp( field_name, pkey ) )) continue;
3434                 if(!( strcmp( osrfHashGet(osrfHashGet(fields,field_name), "virtual"), "true" ) )) continue;
3435
3436                 const jsonObject* field_object = oilsFMGetObject( target, field_name );
3437
3438                 char* value;
3439                 if (field_object && field_object->classname) {
3440                         value = oilsFMGetString(
3441                                 field_object,
3442                                 (char*)oilsIDLFindPath("/%s/primarykey", field_object->classname)
3443             );
3444                 } else {
3445                         value = jsonObjectToSimpleString( field_object );
3446                 }
3447
3448                 osrfLogDebug( OSRF_LOG_MARK, "Updating %s object with %s = %s", osrfHashGet(meta, "fieldmapper"), field_name, value);
3449
3450                 if (!field_object || field_object->type == JSON_NULL) {
3451                         if ( !(!( strcmp( osrfHashGet(meta, "classname"), "au" ) ) && !( strcmp( field_name, "passwd" ) )) ) { // arg at the special case!
3452                                 if (first) first = 0;
3453                                 else buffer_add(sql, ",");
3454                                 buffer_fadd( sql, " %s = NULL", field_name );
3455                         }
3456
3457                 } else if ( !strcmp(osrfHashGet(field, "primitive"), "number") ) {
3458                         if (first) first = 0;
3459                         else buffer_add(sql, ",");
3460
3461                         if ( !strncmp(osrfHashGet(field, "datatype"), "INT", (size_t)3) ) {
3462                                 buffer_fadd( sql, " %s = %ld", field_name, atol(value) );
3463                         } else if ( !strcmp(osrfHashGet(field, "datatype"), "NUMERIC") ) {
3464                                 buffer_fadd( sql, " %s = %f", field_name, atof(value) );
3465                         }
3466
3467                         osrfLogDebug( OSRF_LOG_MARK, "%s is of type %s", field_name, osrfHashGet(field, "datatype"));
3468
3469                 } else {
3470                         if ( dbi_conn_quote_string(dbhandle, &value) ) {
3471                                 if (first) first = 0;
3472                                 else buffer_add(sql, ",");
3473                                 buffer_fadd( sql, " %s = %s", field_name, value );
3474
3475                         } else {
3476                                 osrfLogError(OSRF_LOG_MARK, "%s: Error quoting string [%s]", MODULENAME, value);
3477                                 osrfAppSessionStatus(
3478                                         ctx->session,
3479                                         OSRF_STATUS_INTERNALSERVERERROR,
3480                                         "osrfMethodException",
3481                                         ctx->request,
3482                                         "Error quoting string -- please see the error log for more details"
3483                                 );
3484                                 free(value);
3485                                 free(id);
3486                                 buffer_free(sql);
3487                                 *err = -1;
3488                                 return jsonNULL;
3489                         }
3490                 }
3491
3492                 free(value);
3493
3494         }
3495
3496         jsonObject* obj = jsonParseString(id);
3497
3498         if ( strcmp( osrfHashGet( osrfHashGet( osrfHashGet(meta, "fields"), pkey ), "primitive" ), "number" ) )
3499                 dbi_conn_quote_string(dbhandle, &id);
3500
3501         buffer_fadd( sql, " WHERE %s = %s;", pkey, id );
3502
3503         char* query = buffer_release(sql);
3504         osrfLogDebug(OSRF_LOG_MARK, "%s: Update SQL [%s]", MODULENAME, query);
3505
3506         dbi_result result = dbi_conn_query(dbhandle, query);
3507         free(query);
3508
3509         if (!result) {
3510                 jsonObjectFree(obj);
3511                 obj = jsonNewObject(NULL);
3512                 osrfLogError(
3513                         OSRF_LOG_MARK,
3514                         "%s ERROR updating %s object with %s = %s",
3515                         MODULENAME,
3516                         osrfHashGet(meta, "fieldmapper"),
3517                         pkey,
3518                         id
3519                 );
3520         }
3521
3522         free(id);
3523
3524         return obj;
3525 }
3526
3527 static jsonObject* doDelete(osrfMethodContext* ctx, int* err ) {
3528
3529         osrfHash* meta = osrfHashGet( (osrfHash*) ctx->method->userData, "class" );
3530
3531         if (!osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )) {
3532                 osrfAppSessionStatus(
3533                         ctx->session,
3534                         OSRF_STATUS_BADREQUEST,
3535                         "osrfMethodException",
3536                         ctx->request,
3537                         "No active transaction -- required for DELETE"
3538                 );
3539                 *err = -1;
3540                 return jsonNULL;
3541         }
3542
3543         if (osrfHashGet( meta, "readonly" ) && strncasecmp("true", osrfHashGet( meta, "readonly" ), 4)) {
3544                 osrfAppSessionStatus(
3545                         ctx->session,
3546                         OSRF_STATUS_BADREQUEST,
3547                         "osrfMethodException",
3548                         ctx->request,
3549                         "Cannot DELETE readonly class"
3550                 );
3551                 *err = -1;
3552                 return jsonNULL;
3553         }
3554
3555         dbhandle = writehandle;
3556
3557         jsonObject* obj;
3558
3559         char* pkey = osrfHashGet(meta, "primarykey");
3560
3561         int _obj_pos = 0;
3562 #ifdef PCRUD
3563                 _obj_pos = 1;
3564 #endif
3565
3566         char* id;
3567         if (jsonObjectGetIndex(ctx->params, _obj_pos)->classname) {
3568                 if (!verifyObjectClass(ctx, jsonObjectGetIndex( ctx->params, _obj_pos ))) {
3569                         *err = -1;
3570                         return jsonNULL;
3571                 }
3572
3573                 id = oilsFMGetString( jsonObjectGetIndex(ctx->params, _obj_pos), pkey );
3574         } else {
3575 #ifdef PCRUD
3576         if (!verifyObjectPCRUD( ctx, NULL )) {
3577                         *err = -1;
3578                         return jsonNULL;
3579         }
3580 #endif
3581                 id = jsonObjectToSimpleString(jsonObjectGetIndex(ctx->params, _obj_pos));
3582         }
3583
3584         osrfLogDebug(
3585                 OSRF_LOG_MARK,
3586                 "%s deleting %s object with %s = %s",
3587                 MODULENAME,
3588                 osrfHashGet(meta, "fieldmapper"),
3589                 pkey,
3590                 id
3591         );
3592
3593         obj = jsonParseString(id);
3594
3595         if ( strcmp( osrfHashGet( osrfHashGet( osrfHashGet(meta, "fields"), pkey ), "primitive" ), "number" ) )
3596                 dbi_conn_quote_string(writehandle, &id);
3597
3598         dbi_result result = dbi_conn_queryf(writehandle, "DELETE FROM %s WHERE %s = %s;", osrfHashGet(meta, "tablename"), pkey, id);
3599
3600         if (!result) {
3601                 jsonObjectFree(obj);
3602                 obj = jsonNewObject(NULL);
3603                 osrfLogError(
3604                         OSRF_LOG_MARK,
3605                         "%s ERROR deleting %s object with %s = %s",
3606                         MODULENAME,
3607                         osrfHashGet(meta, "fieldmapper"),
3608                         pkey,
3609                         id
3610                 );
3611         }
3612
3613         free(id);
3614
3615         return obj;
3616
3617 }
3618
3619
3620 static jsonObject* oilsMakeFieldmapperFromResult( dbi_result result, osrfHash* meta) {
3621         if(!(result && meta)) return jsonNULL;
3622
3623         jsonObject* object = jsonNewObject(NULL);
3624         jsonObjectSetClass(object, osrfHashGet(meta, "classname"));
3625
3626         osrfHash* fields = osrfHashGet(meta, "fields");
3627
3628         osrfLogInternal(OSRF_LOG_MARK, "Setting object class to %s ", object->classname);
3629
3630         osrfHash* _f;
3631         time_t _tmp_dt;
3632         char dt_string[256];
3633         struct tm gmdt;
3634
3635         int fmIndex;
3636         int columnIndex = 1;
3637         int attr;
3638         unsigned short type;
3639         const char* columnName;
3640
3641         /* cycle through the column list */
3642         while( (columnName = dbi_result_get_field_name(result, columnIndex++)) ) {
3643
3644                 osrfLogInternal(OSRF_LOG_MARK, "Looking for column named [%s]...", (char*)columnName);
3645
3646                 fmIndex = -1; // reset the position
3647
3648                 /* determine the field type and storage attributes */
3649                 type = dbi_result_get_field_type(result, columnName);
3650                 attr = dbi_result_get_field_attribs(result, columnName);
3651
3652                 /* fetch the fieldmapper index */
3653                 if( (_f = osrfHashGet(fields, (char*)columnName)) ) {
3654                         char* virt = (char*)osrfHashGet(_f, "virtual");
3655                         char* pos = (char*)osrfHashGet(_f, "array_position");
3656
3657                         if ( !virt || !pos || !(strcmp( virt, "true" )) ) continue;
3658
3659                         fmIndex = atoi( pos );
3660                         osrfLogInternal(OSRF_LOG_MARK, "... Found column at position [%s]...", pos);
3661                 } else {
3662                         continue;
3663                 }
3664
3665                 if (dbi_result_field_is_null(result, columnName)) {
3666                         jsonObjectSetIndex( object, fmIndex, jsonNewObject(NULL) );
3667                 } else {
3668
3669                         switch( type ) {
3670
3671                                 case DBI_TYPE_INTEGER :
3672
3673                                         if( attr & DBI_INTEGER_SIZE8 )
3674                                                 jsonObjectSetIndex( object, fmIndex,
3675                                                         jsonNewNumberObject(dbi_result_get_longlong(result, columnName)));
3676                                         else
3677                                                 jsonObjectSetIndex( object, fmIndex,
3678                                                         jsonNewNumberObject(dbi_result_get_int(result, columnName)));
3679
3680                                         break;
3681
3682                                 case DBI_TYPE_DECIMAL :
3683                                         jsonObjectSetIndex( object, fmIndex,
3684                                                         jsonNewNumberObject(dbi_result_get_double(result, columnName)));
3685                                         break;
3686
3687                                 case DBI_TYPE_STRING :
3688
3689
3690                                         jsonObjectSetIndex(
3691                                                 object,
3692                                                 fmIndex,
3693                                                 jsonNewObject( dbi_result_get_string(result, columnName) )
3694                                         );
3695
3696                                         break;
3697
3698                                 case DBI_TYPE_DATETIME :
3699
3700                                         memset(dt_string, '\0', sizeof(dt_string));
3701                                         memset(&gmdt, '\0', sizeof(gmdt));
3702
3703                                         _tmp_dt = dbi_result_get_datetime(result, columnName);
3704
3705
3706                                         if (!(attr & DBI_DATETIME_DATE)) {
3707                                                 gmtime_r( &_tmp_dt, &gmdt );
3708                                                 strftime(dt_string, sizeof(dt_string), "%T", &gmdt);
3709                                         } else if (!(attr & DBI_DATETIME_TIME)) {
3710                                                 localtime_r( &_tmp_dt, &gmdt );
3711                                                 strftime(dt_string, sizeof(dt_string), "%F", &gmdt);
3712                                         } else {
3713                                                 localtime_r( &_tmp_dt, &gmdt );
3714                                                 strftime(dt_string, sizeof(dt_string), "%FT%T%z", &gmdt);
3715                                         }
3716
3717                                         jsonObjectSetIndex( object, fmIndex, jsonNewObject(dt_string) );
3718
3719                                         break;
3720
3721                                 case DBI_TYPE_BINARY :
3722                                         osrfLogError( OSRF_LOG_MARK,
3723                                                 "Can't do binary at column %s : index %d", columnName, columnIndex - 1);
3724                         }
3725                 }
3726         }
3727
3728         return object;
3729 }
3730
3731 static jsonObject* oilsMakeJSONFromResult( dbi_result result ) {
3732         if(!result) return jsonNULL;
3733
3734         jsonObject* object = jsonNewObject(NULL);
3735
3736         time_t _tmp_dt;
3737         char dt_string[256];
3738         struct tm gmdt;
3739
3740         int fmIndex;
3741         int columnIndex = 1;
3742         int attr;
3743         unsigned short type;
3744         const char* columnName;
3745
3746         /* cycle through the column list */
3747         while( (columnName = dbi_result_get_field_name(result, columnIndex++)) ) {
3748
3749                 osrfLogInternal(OSRF_LOG_MARK, "Looking for column named [%s]...", (char*)columnName);
3750
3751                 fmIndex = -1; // reset the position
3752
3753                 /* determine the field type and storage attributes */
3754                 type = dbi_result_get_field_type(result, columnName);
3755                 attr = dbi_result_get_field_attribs(result, columnName);
3756
3757                 if (dbi_result_field_is_null(result, columnName)) {
3758                         jsonObjectSetKey( object, columnName, jsonNewObject(NULL) );
3759                 } else {
3760
3761                         switch( type ) {
3762
3763                                 case DBI_TYPE_INTEGER :
3764
3765                                         if( attr & DBI_INTEGER_SIZE8 )
3766                                                 jsonObjectSetKey( object, columnName, jsonNewNumberObject(dbi_result_get_longlong(result, columnName)) );
3767                                         else
3768                                                 jsonObjectSetKey( object, columnName, jsonNewNumberObject(dbi_result_get_int(result, columnName)) );
3769                                         break;
3770
3771                                 case DBI_TYPE_DECIMAL :
3772                                         jsonObjectSetKey( object, columnName, jsonNewNumberObject(dbi_result_get_double(result, columnName)) );
3773                                         break;
3774
3775                                 case DBI_TYPE_STRING :
3776                                         jsonObjectSetKey( object, columnName, jsonNewObject(dbi_result_get_string(result, columnName)) );
3777                                         break;
3778
3779                                 case DBI_TYPE_DATETIME :
3780
3781                                         memset(dt_string, '\0', sizeof(dt_string));
3782                                         memset(&gmdt, '\0', sizeof(gmdt));
3783
3784                                         _tmp_dt = dbi_result_get_datetime(result, columnName);
3785
3786
3787                                         if (!(attr & DBI_DATETIME_DATE)) {
3788                                                 gmtime_r( &_tmp_dt, &gmdt );
3789                                                 strftime(dt_string, sizeof(dt_string), "%T", &gmdt);
3790                                         } else if (!(attr & DBI_DATETIME_TIME)) {
3791                                                 localtime_r( &_tmp_dt, &gmdt );
3792                                                 strftime(dt_string, sizeof(dt_string), "%F", &gmdt);
3793                                         } else {
3794                                                 localtime_r( &_tmp_dt, &gmdt );
3795                                                 strftime(dt_string, sizeof(dt_string), "%FT%T%z", &gmdt);
3796                                         }
3797
3798                                         jsonObjectSetKey( object, columnName, jsonNewObject(dt_string) );
3799                                         break;
3800
3801                                 case DBI_TYPE_BINARY :
3802                                         osrfLogError( OSRF_LOG_MARK,
3803                                                 "Can't do binary at column %s : index %d", columnName, columnIndex - 1);
3804                         }
3805                 }
3806         }
3807
3808         return object;
3809 }
3810