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 jsonObject* verifyUserPCRUD( osrfMethodContext* );
  78 static int verifyObjectPCRUD( osrfMethodContext*, const jsonObject* );
  79 #endif
  80
  81 static dbi_conn writehandle; /* our MASTER db connection */
  82 static dbi_conn dbhandle; /* our CURRENT db connection */
  83 //static osrfHash * readHandles;
  84 static jsonObject* jsonNULL = NULL; //
  85 static int max_flesh_depth = 100;
  86
  87 /* called when this process is about to exit */
  88 void osrfAppChildExit() {
  89     osrfLogDebug(OSRF_LOG_MARK, "Child is exiting, disconnecting from database...");
  90
  91     int same = 0;
  92     if (writehandle == dbhandle) same = 1;
  93     if (writehandle) {
  94         dbi_conn_query(writehandle, "ROLLBACK;");
  95         dbi_conn_close(writehandle);
  96         writehandle = NULL;
  97     }
  98     if (dbhandle && !same)
  99         dbi_conn_close(dbhandle);
 100
 101     // XXX add cleanup of readHandles whenever that gets used
 102
 103     return;
 104 }
 105
 106 int osrfAppInitialize() {
 107
 108     osrfLogInfo(OSRF_LOG_MARK, "Initializing the CStore Server...");
 109     osrfLogInfo(OSRF_LOG_MARK, "Finding XML file...");
 110
 111     if (!oilsIDLInit( osrf_settings_host_value("/IDL") )) return 1; /* return non-zero to indicate error */
 112
 113     growing_buffer* method_name = buffer_init(64);
 114 #ifndef PCRUD
 115     // Generic search thingy
 116     buffer_add(method_name, MODULENAME);
 117         buffer_add(method_name, ".json_query");
 118         osrfAppRegisterMethod( MODULENAME, OSRF_BUFFER_C_STR(method_name),
 119                                                    "doJSONSearch", "", 1, OSRF_METHOD_STREAMING );
 120 #endif
 121
 122     // first we register all the transaction and savepoint methods
 123     buffer_reset(method_name);
 124         OSRF_BUFFER_ADD(method_name, MODULENAME);
 125         OSRF_BUFFER_ADD(method_name, ".transaction.begin");
 126         osrfAppRegisterMethod( MODULENAME, OSRF_BUFFER_C_STR(method_name),
 127                                                    "beginTransaction", "", 0, 0 );
 128
 129     buffer_reset(method_name);
 130         OSRF_BUFFER_ADD(method_name, MODULENAME);
 131         OSRF_BUFFER_ADD(method_name, ".transaction.commit");
 132         osrfAppRegisterMethod( MODULENAME, OSRF_BUFFER_C_STR(method_name),
 133                                                    "commitTransaction", "", 0, 0 );
 134
 135     buffer_reset(method_name);
 136         OSRF_BUFFER_ADD(method_name, MODULENAME);
 137         OSRF_BUFFER_ADD(method_name, ".transaction.rollback");
 138         osrfAppRegisterMethod( MODULENAME, OSRF_BUFFER_C_STR(method_name),
 139                                                    "rollbackTransaction", "", 0, 0 );
 140
 141     buffer_reset(method_name);
 142         OSRF_BUFFER_ADD(method_name, MODULENAME);
 143         OSRF_BUFFER_ADD(method_name, ".savepoint.set");
 144         osrfAppRegisterMethod( MODULENAME, OSRF_BUFFER_C_STR(method_name),
 145                                                    "setSavepoint", "", 1, 0 );
 146
 147     buffer_reset(method_name);
 148         OSRF_BUFFER_ADD(method_name, MODULENAME);
 149         OSRF_BUFFER_ADD(method_name, ".savepoint.release");
 150         osrfAppRegisterMethod( MODULENAME, OSRF_BUFFER_C_STR(method_name),
 151                                                    "releaseSavepoint", "", 1, 0 );
 152
 153     buffer_reset(method_name);
 154         OSRF_BUFFER_ADD(method_name, MODULENAME);
 155         OSRF_BUFFER_ADD(method_name, ".savepoint.rollback");
 156         osrfAppRegisterMethod( MODULENAME, OSRF_BUFFER_C_STR(method_name),
 157                                                    "rollbackSavepoint", "", 1, 0 );
 158
 159     buffer_free(method_name);
 160
 161         static const char* global_method[] = {
 162                 "create",
 163                 "retrieve",
 164                 "update",
 165                 "delete",
 166                 "search",
 167                 "id_list"
 168         };
 169         const int global_method_count
 170                 = sizeof( global_method ) / sizeof ( global_method[0] );
 171
 172     int c_index = 0;
 173     char* classname;
 174     osrfStringArray* classes = osrfHashKeys( oilsIDL() );
 175     osrfLogDebug(OSRF_LOG_MARK, "%d classes loaded", classes->size );
 176     osrfLogDebug(OSRF_LOG_MARK,
 177                 "At least %d methods will be generated", classes->size * global_method_count);
 178
 179     while ( (classname = osrfStringArrayGetString(classes, c_index++)) ) {
 180         osrfLogInfo(OSRF_LOG_MARK, "Generating class methods for %s", classname);
 181
 182         osrfHash* idlClass = osrfHashGet(oilsIDL(), classname);
 183
 184         if (!osrfStringArrayContains( osrfHashGet(idlClass, "controller"), MODULENAME )) {
 185             osrfLogInfo(OSRF_LOG_MARK, "%s is not listed as a controller for %s, moving on", MODULENAME, classname);
 186             continue;
 187         }
 188
 189         char* virt = osrfHashGet(idlClass, "virtual");
 190         if (virt && !strcmp( virt, "true")) {
 191             osrfLogDebug(OSRF_LOG_MARK, "Class %s is virtual, skipping", classname );
 192             continue;
 193         }
 194
 195         // Look up some other attributes of the current class
 196         const char* idlClass_fieldmapper = osrfHashGet(idlClass, "fieldmapper");
 197                 const char* readonly = osrfHashGet(idlClass, "readonly");
 198 #ifdef PCRUD
 199         osrfHash* idlClass_permacrud = osrfHashGet(idlClass, "permacrud");
 200 #endif
 201
 202         int i;
 203         for( i = 0; i < global_method_count; ++i ) {
 204             const char* method_type = global_method[ i ];
 205             osrfLogDebug(OSRF_LOG_MARK,
 206                 "Using files to build %s class methods for %s", method_type, classname);
 207
 208             if (!idlClass_fieldmapper) continue;
 209
 210 #ifdef PCRUD
 211             if (!idlClass_permacrud) continue;
 212
 213             const char* tmp_method = method_type;
 214             if ( *tmp_method == 'i' || *tmp_method == 's') {
 215                 tmp_method = "retrieve";
 216             }
 217             if (!osrfHashGet( idlClass_permacrud, tmp_method )) continue;
 218 #endif
 219
 220             if (    readonly &&
 221                     !strncasecmp( "true", readonly, 4) &&
 222                     ( *method_type == 'c' || *method_type == 'u' || *method_type == 'd')
 223                ) continue;
 224
 225             osrfHash* method_meta = osrfNewHash();
 226             osrfHashSet(method_meta, idlClass, "class");
 227
 228             method_name =  buffer_init(64);
 229 #ifdef PCRUD
 230             buffer_fadd(method_name, "%s.%s.%s", MODULENAME, method_type, classname);
 231 #else
 232             char* st_tmp = NULL;
 233             char* part = NULL;
 234             char* _fm = strdup( idlClass_fieldmapper );
 235             part = strtok_r(_fm, ":", &st_tmp);
 236
 237             buffer_fadd(method_name, "%s.direct.%s", MODULENAME, part);
 238
 239             while ((part = strtok_r(NULL, ":", &st_tmp))) {
 240                                 OSRF_BUFFER_ADD_CHAR(method_name, '.');
 241                                 OSRF_BUFFER_ADD(method_name, part);
 242             }
 243                         OSRF_BUFFER_ADD_CHAR(method_name, '.');
 244                         OSRF_BUFFER_ADD(method_name, method_type);
 245             free(_fm);
 246 #endif
 247
 248             char* method = buffer_release(method_name);
 249
 250             osrfHashSet( method_meta, method, "methodname" );
 251             osrfHashSet( method_meta, strdup(method_type), "methodtype" );
 252
 253             int flags = 0;
 254             if (*method_type == 'i' || *method_type == 's') {
 255                 flags = flags | OSRF_METHOD_STREAMING;
 256             }
 257
 258             osrfAppRegisterExtendedMethod(
 259                     MODULENAME,
 260                     method,
 261                     "dispatchCRUDMethod",
 262                     "",
 263                     1,
 264                     flags,
 265                     (void*)method_meta
 266                     );
 267
 268             free(method);
 269         }
 270     }
 271
 272     return 0;
 273 }
 274
 275 static char* getSourceDefinition( osrfHash* class ) {
 276
 277     char* tabledef = osrfHashGet(class, "tablename");
 278
 279     if (!tabledef) {
 280         growing_buffer* tablebuf = buffer_init(128);
 281         tabledef = osrfHashGet(class, "source_definition");
 282         if( !tabledef )
 283             tabledef = "(null)";
 284         buffer_fadd( tablebuf, "(%s)", tabledef );
 285         tabledef = buffer_release(tablebuf);
 286     } else {
 287         tabledef = strdup(tabledef);
 288     }
 289
 290     return tabledef;
 291 }
 292
 293 /**
 294  * Connects to the database
 295  */
 296 int osrfAppChildInit() {
 297
 298     osrfLogDebug(OSRF_LOG_MARK, "Attempting to initialize libdbi...");
 299     dbi_initialize(NULL);
 300     osrfLogDebug(OSRF_LOG_MARK, "... libdbi initialized.");
 301
 302     char* driver        = osrf_settings_host_value("/apps/%s/app_settings/driver", MODULENAME);
 303     char* user  = osrf_settings_host_value("/apps/%s/app_settings/database/user", MODULENAME);
 304     char* host  = osrf_settings_host_value("/apps/%s/app_settings/database/host", MODULENAME);
 305     char* port  = osrf_settings_host_value("/apps/%s/app_settings/database/port", MODULENAME);
 306     char* db    = osrf_settings_host_value("/apps/%s/app_settings/database/db", MODULENAME);
 307     char* pw    = osrf_settings_host_value("/apps/%s/app_settings/database/pw", MODULENAME);
 308     char* md    = osrf_settings_host_value("/apps/%s/app_settings/max_query_recursion", MODULENAME);
 309
 310     osrfLogDebug(OSRF_LOG_MARK, "Attempting to load the database driver [%s]...", driver);
 311     writehandle = dbi_conn_new(driver);
 312
 313     if(!writehandle) {
 314         osrfLogError(OSRF_LOG_MARK, "Error loading database driver [%s]", driver);
 315         return -1;
 316     }
 317     osrfLogDebug(OSRF_LOG_MARK, "Database driver [%s] seems OK", driver);
 318
 319     osrfLogInfo(OSRF_LOG_MARK, "%s connecting to database.  host=%s, "
 320             "port=%s, user=%s, pw=%s, db=%s", MODULENAME, host, port, user, pw, db );
 321
 322     if(host) dbi_conn_set_option(writehandle, "host", host );
 323     if(port) dbi_conn_set_option_numeric( writehandle, "port", atoi(port) );
 324     if(user) dbi_conn_set_option(writehandle, "username", user);
 325     if(pw) dbi_conn_set_option(writehandle, "password", pw );
 326     if(db) dbi_conn_set_option(writehandle, "dbname", db );
 327
 328     if(md) max_flesh_depth = atoi(md);
 329     if(max_flesh_depth < 0) max_flesh_depth = 1;
 330     if(max_flesh_depth > 1000) max_flesh_depth = 1000;
 331
 332     free(user);
 333     free(host);
 334     free(port);
 335     free(db);
 336     free(pw);
 337
 338     const char* err;
 339     if (dbi_conn_connect(writehandle) < 0) {
 340         sleep(1);
 341         if (dbi_conn_connect(writehandle) < 0) {
 342             dbi_conn_error(writehandle, &err);
 343             osrfLogError( OSRF_LOG_MARK, "Error connecting to database: %s", err);
 344             return -1;
 345         }
 346     }
 347
 348     osrfLogInfo(OSRF_LOG_MARK, "%s successfully connected to the database", MODULENAME);
 349
 350     int attr;
 351     unsigned short type;
 352     int i = 0;
 353     char* classname;
 354     osrfStringArray* classes = osrfHashKeys( oilsIDL() );
 355
 356     while ( (classname = osrfStringArrayGetString(classes, i++)) ) {
 357         osrfHash* class = osrfHashGet( oilsIDL(), classname );
 358         osrfHash* fields = osrfHashGet( class, "fields" );
 359
 360         char* virt = osrfHashGet(class, "virtual");
 361         if (virt && !strcmp( virt, "true")) {
 362             osrfLogDebug(OSRF_LOG_MARK, "Class %s is virtual, skipping", classname );
 363             continue;
 364         }
 365
 366         char* tabledef = getSourceDefinition(class);
 367
 368         growing_buffer* sql_buf = buffer_init(32);
 369         buffer_fadd( sql_buf, "SELECT * FROM %s AS x WHERE 1=0;", tabledef );
 370
 371         free(tabledef);
 372
 373         char* sql = buffer_release(sql_buf);
 374         osrfLogDebug(OSRF_LOG_MARK, "%s Investigatory SQL = %s", MODULENAME, sql);
 375
 376         dbi_result result = dbi_conn_query(writehandle, sql);
 377         free(sql);
 378
 379         if (result) {
 380
 381             int columnIndex = 1;
 382             const char* columnName;
 383             osrfHash* _f;
 384             while( (columnName = dbi_result_get_field_name(result, columnIndex++)) ) {
 385
 386                 osrfLogInternal(OSRF_LOG_MARK, "Looking for column named [%s]...", (char*)columnName);
 387
 388                 /* fetch the fieldmapper index */
 389                 if( (_f = osrfHashGet(fields, (char*)columnName)) ) {
 390
 391                     osrfLogDebug(OSRF_LOG_MARK, "Found [%s] in IDL hash...", (char*)columnName);
 392
 393                     /* determine the field type and storage attributes */
 394                     type = dbi_result_get_field_type(result, columnName);
 395                     attr = dbi_result_get_field_attribs(result, columnName);
 396
 397                     switch( type ) {
 398
 399                         case DBI_TYPE_INTEGER :
 400
 401                             if ( !osrfHashGet(_f, "primitive") )
 402                                 osrfHashSet(_f,"number", "primitive");
 403
 404                             if( attr & DBI_INTEGER_SIZE8 )
 405                                 osrfHashSet(_f,"INT8", "datatype");
 406                             else
 407                                 osrfHashSet(_f,"INT", "datatype");
 408                             break;
 409
 410                         case DBI_TYPE_DECIMAL :
 411                             if ( !osrfHashGet(_f, "primitive") )
 412                                 osrfHashSet(_f,"number", "primitive");
 413
 414                             osrfHashSet(_f,"NUMERIC", "datatype");
 415                             break;
 416
 417                         case DBI_TYPE_STRING :
 418                             if ( !osrfHashGet(_f, "primitive") )
 419                                 osrfHashSet(_f,"string", "primitive");
 420                             osrfHashSet(_f,"TEXT", "datatype");
 421                             break;
 422
 423                         case DBI_TYPE_DATETIME :
 424                             if ( !osrfHashGet(_f, "primitive") )
 425                                 osrfHashSet(_f,"string", "primitive");
 426
 427                             osrfHashSet(_f,"TIMESTAMP", "datatype");
 428                             break;
 429
 430                         case DBI_TYPE_BINARY :
 431                             if ( !osrfHashGet(_f, "primitive") )
 432                                 osrfHashSet(_f,"string", "primitive");
 433
 434                             osrfHashSet(_f,"BYTEA", "datatype");
 435                     }
 436
 437                     osrfLogDebug(
 438                             OSRF_LOG_MARK,
 439                             "Setting [%s] to primitive [%s] and datatype [%s]...",
 440                             (char*)columnName,
 441                             osrfHashGet(_f, "primitive"),
 442                             osrfHashGet(_f, "datatype")
 443                             );
 444                 }
 445             }
 446             dbi_result_free(result);
 447         } else {
 448             osrfLogDebug(OSRF_LOG_MARK, "No data found for class [%s]...", (char*)classname);
 449         }
 450     }
 451
 452     osrfStringArrayFree(classes);
 453
 454     return 0;
 455 }
 456
 457 void userDataFree( void* blob ) {
 458     osrfHashFree( (osrfHash*)blob );
 459     return;
 460 }
 461
 462 static void sessionDataFree( char* key, void* item ) {
 463     if (!(strcmp(key,"xact_id"))) {
 464         if (writehandle)
 465             dbi_conn_query(writehandle, "ROLLBACK;");
 466         free(item);
 467     }
 468
 469     return;
 470 }
 471
 472 int beginTransaction ( osrfMethodContext* ctx ) {
 473     OSRF_METHOD_VERIFY_CONTEXT(ctx);
 474
 475 #ifdef PCRUD
 476     jsonObject* user = verifyUserPCRUD( ctx );
 477     if (!user) return -1;
 478     jsonObjectFree(user);
 479 #endif
 480
 481     dbi_result result = dbi_conn_query(writehandle, "START TRANSACTION;");
 482     if (!result) {
 483         osrfLogError(OSRF_LOG_MARK, "%s: Error starting transaction", MODULENAME );
 484         osrfAppSessionStatus( ctx->session, OSRF_STATUS_INTERNALSERVERERROR, "osrfMethodException", ctx->request, "Error starting transaction" );
 485         return -1;
 486     } else {
 487         jsonObject* ret = jsonNewObject(ctx->session->session_id);
 488         osrfAppRespondComplete( ctx, ret );
 489         jsonObjectFree(ret);
 490
 491         if (!ctx->session->userData) {
 492             ctx->session->userData = osrfNewHash();
 493             osrfHashSetCallback((osrfHash*)ctx->session->userData, &sessionDataFree);
 494         }
 495
 496         osrfHashSet( (osrfHash*)ctx->session->userData, strdup( ctx->session->session_id ), "xact_id" );
 497         ctx->session->userDataFree = &userDataFree;
 498
 499     }
 500     return 0;
 501 }
 502
 503 int setSavepoint ( osrfMethodContext* ctx ) {
 504     OSRF_METHOD_VERIFY_CONTEXT(ctx);
 505
 506     int spNamePos = 0;
 507 #ifdef PCRUD
 508     spNamePos = 1;
 509     jsonObject* user = verifyUserPCRUD( ctx );
 510     if (!user) return -1;
 511     jsonObjectFree(user);
 512 #endif
 513
 514     if (!osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )) {
 515         osrfAppSessionStatus(
 516                 ctx->session,
 517                 OSRF_STATUS_INTERNALSERVERERROR,
 518                 "osrfMethodException",
 519                 ctx->request,
 520                 "No active transaction -- required for savepoints"
 521                 );
 522         return -1;
 523     }
 524
 525     char* spName = jsonObjectToSimpleString(jsonObjectGetIndex(ctx->params, spNamePos));
 526
 527     dbi_result result = dbi_conn_queryf(writehandle, "SAVEPOINT \"%s\";", spName);
 528     if (!result) {
 529         osrfLogError(
 530                 OSRF_LOG_MARK,
 531                 "%s: Error creating savepoint %s in transaction %s",
 532                 MODULENAME,
 533                 spName,
 534                 osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )
 535                 );
 536         osrfAppSessionStatus( ctx->session, OSRF_STATUS_INTERNALSERVERERROR, "osrfMethodException", ctx->request, "Error creating savepoint" );
 537         free(spName);
 538         return -1;
 539     } else {
 540         jsonObject* ret = jsonNewObject(spName);
 541         osrfAppRespondComplete( ctx, ret );
 542         jsonObjectFree(ret);
 543     }
 544     free(spName);
 545     return 0;
 546 }
 547
 548 int releaseSavepoint ( osrfMethodContext* ctx ) {
 549     OSRF_METHOD_VERIFY_CONTEXT(ctx);
 550
 551     int spNamePos = 0;
 552 #ifdef PCRUD
 553     spNamePos = 1;
 554     jsonObject* user = verifyUserPCRUD( ctx );
 555     if (!user) return -1;
 556     jsonObjectFree(user);
 557 #endif
 558
 559     if (!osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )) {
 560         osrfAppSessionStatus(
 561                 ctx->session,
 562                 OSRF_STATUS_INTERNALSERVERERROR,
 563                 "osrfMethodException",
 564                 ctx->request,
 565                 "No active transaction -- required for savepoints"
 566                 );
 567         return -1;
 568     }
 569
 570     char* spName = jsonObjectToSimpleString(jsonObjectGetIndex(ctx->params, spNamePos));
 571
 572     dbi_result result = dbi_conn_queryf(writehandle, "RELEASE SAVEPOINT \"%s\";", spName);
 573     if (!result) {
 574         osrfLogError(
 575                 OSRF_LOG_MARK,
 576                 "%s: Error releasing savepoint %s in transaction %s",
 577                 MODULENAME,
 578                 spName,
 579                 osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )
 580                 );
 581         osrfAppSessionStatus( ctx->session, OSRF_STATUS_INTERNALSERVERERROR, "osrfMethodException", ctx->request, "Error releasing savepoint" );
 582         free(spName);
 583         return -1;
 584     } else {
 585         jsonObject* ret = jsonNewObject(spName);
 586         osrfAppRespondComplete( ctx, ret );
 587         jsonObjectFree(ret);
 588     }
 589     free(spName);
 590     return 0;
 591 }
 592
 593 int rollbackSavepoint ( osrfMethodContext* ctx ) {
 594     OSRF_METHOD_VERIFY_CONTEXT(ctx);
 595
 596     int spNamePos = 0;
 597 #ifdef PCRUD
 598     spNamePos = 1;
 599     jsonObject* user = verifyUserPCRUD( ctx );
 600     if (!user) return -1;
 601     jsonObjectFree(user);
 602 #endif
 603
 604     if (!osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )) {
 605         osrfAppSessionStatus(
 606                 ctx->session,
 607                 OSRF_STATUS_INTERNALSERVERERROR,
 608                 "osrfMethodException",
 609                 ctx->request,
 610                 "No active transaction -- required for savepoints"
 611                 );
 612         return -1;
 613     }
 614
 615     char* spName = jsonObjectToSimpleString(jsonObjectGetIndex(ctx->params, spNamePos));
 616
 617     dbi_result result = dbi_conn_queryf(writehandle, "ROLLBACK TO SAVEPOINT \"%s\";", spName);
 618     if (!result) {
 619         osrfLogError(
 620                 OSRF_LOG_MARK,
 621                 "%s: Error rolling back savepoint %s in transaction %s",
 622                 MODULENAME,
 623                 spName,
 624                 osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )
 625                 );
 626         osrfAppSessionStatus( ctx->session, OSRF_STATUS_INTERNALSERVERERROR, "osrfMethodException", ctx->request, "Error rolling back savepoint" );
 627         free(spName);
 628         return -1;
 629     } else {
 630         jsonObject* ret = jsonNewObject(spName);
 631         osrfAppRespondComplete( ctx, ret );
 632         jsonObjectFree(ret);
 633     }
 634     free(spName);
 635     return 0;
 636 }
 637
 638 int commitTransaction ( osrfMethodContext* ctx ) {
 639     OSRF_METHOD_VERIFY_CONTEXT(ctx);
 640
 641 #ifdef PCRUD
 642     jsonObject* user = verifyUserPCRUD( ctx );
 643     if (!user) return -1;
 644     jsonObjectFree(user);
 645 #endif
 646
 647     if (!osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )) {
 648         osrfAppSessionStatus( ctx->session, OSRF_STATUS_INTERNALSERVERERROR, "osrfMethodException", ctx->request, "No active transaction to commit" );
 649         return -1;
 650     }
 651
 652     dbi_result result = dbi_conn_query(writehandle, "COMMIT;");
 653     if (!result) {
 654         osrfLogError(OSRF_LOG_MARK, "%s: Error committing transaction", MODULENAME );
 655         osrfAppSessionStatus( ctx->session, OSRF_STATUS_INTERNALSERVERERROR, "osrfMethodException", ctx->request, "Error committing transaction" );
 656         return -1;
 657     } else {
 658         osrfHashRemove(ctx->session->userData, "xact_id");
 659         jsonObject* ret = jsonNewObject(ctx->session->session_id);
 660         osrfAppRespondComplete( ctx, ret );
 661         jsonObjectFree(ret);
 662     }
 663     return 0;
 664 }
 665
 666 int rollbackTransaction ( osrfMethodContext* ctx ) {
 667     OSRF_METHOD_VERIFY_CONTEXT(ctx);
 668
 669 #ifdef PCRUD
 670     jsonObject* user = verifyUserPCRUD( ctx );
 671     if (!user) return -1;
 672     jsonObjectFree(user);
 673 #endif
 674
 675     if (!osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )) {
 676         osrfAppSessionStatus( ctx->session, OSRF_STATUS_INTERNALSERVERERROR, "osrfMethodException", ctx->request, "No active transaction to roll back" );
 677         return -1;
 678     }
 679
 680     dbi_result result = dbi_conn_query(writehandle, "ROLLBACK;");
 681     if (!result) {
 682         osrfLogError(OSRF_LOG_MARK, "%s: Error rolling back transaction", MODULENAME );
 683         osrfAppSessionStatus( ctx->session, OSRF_STATUS_INTERNALSERVERERROR, "osrfMethodException", ctx->request, "Error rolling back transaction" );
 684         return -1;
 685     } else {
 686         osrfHashRemove(ctx->session->userData, "xact_id");
 687         jsonObject* ret = jsonNewObject(ctx->session->session_id);
 688         osrfAppRespondComplete( ctx, ret );
 689         jsonObjectFree(ret);
 690     }
 691     return 0;
 692 }
 693
 694 int dispatchCRUDMethod ( osrfMethodContext* ctx ) {
 695     OSRF_METHOD_VERIFY_CONTEXT(ctx);
 696
 697     osrfHash* meta = (osrfHash*) ctx->method->userData;
 698     osrfHash* class_obj = osrfHashGet( meta, "class" );
 699
 700     int err = 0;
 701
 702     const char* methodtype = osrfHashGet(meta, "methodtype");
 703     jsonObject * obj = NULL;
 704
 705     if (!strcmp(methodtype, "create")) {
 706         obj = doCreate(ctx, &err);
 707         osrfAppRespondComplete( ctx, obj );
 708     }
 709     else if (!strcmp(methodtype, "retrieve")) {
 710         obj = doRetrieve(ctx, &err);
 711         osrfAppRespondComplete( ctx, obj );
 712     }
 713     else if (!strcmp(methodtype, "update")) {
 714         obj = doUpdate(ctx, &err);
 715         osrfAppRespondComplete( ctx, obj );
 716     }
 717     else if (!strcmp(methodtype, "delete")) {
 718         obj = doDelete(ctx, &err);
 719         osrfAppRespondComplete( ctx, obj );
 720     }
 721     else if (!strcmp(methodtype, "search")) {
 722
 723         jsonObject* _p = jsonObjectClone( ctx->params );
 724 #ifdef PCRUD
 725         jsonObjectFree(_p);
 726         _p = jsonParseString("[]");
 727         jsonObjectPush(_p, jsonObjectClone(jsonObjectGetIndex(ctx->params, 1)));
 728         jsonObjectPush(_p, jsonObjectClone(jsonObjectGetIndex(ctx->params, 2)));
 729 #endif
 730
 731         obj = doFieldmapperSearch(ctx, class_obj, _p, &err);
 732
 733         jsonObjectFree(_p);
 734         if(err) return err;
 735
 736         jsonObject* cur;
 737         jsonIterator* itr = jsonNewIterator( obj );
 738         while ((cur = jsonIteratorNext( itr ))) {
 739 #ifdef PCRUD
 740             if(!verifyObjectPCRUD(ctx, cur)) continue;
 741 #endif
 742             osrfAppRespond( ctx, cur );
 743         }
 744         jsonIteratorFree(itr);
 745         osrfAppRespondComplete( ctx, NULL );
 746
 747     } else if (!strcmp(methodtype, "id_list")) {
 748
 749         jsonObject* _p = jsonObjectClone( ctx->params );
 750 #ifdef PCRUD
 751         jsonObjectFree(_p);
 752         _p = jsonParseString("[]");
 753         jsonObjectPush(_p, jsonObjectClone(jsonObjectGetIndex(ctx->params, 1)));
 754         jsonObjectPush(_p, jsonObjectClone(jsonObjectGetIndex(ctx->params, 2)));
 755 #endif
 756
 757         if (jsonObjectGetIndex( _p, 1 )) {
 758             jsonObjectRemoveKey( jsonObjectGetIndex( _p, 1 ), "select" );
 759             jsonObjectRemoveKey( jsonObjectGetIndex( _p, 1 ), "no_i18n" );
 760             jsonObjectRemoveKey( jsonObjectGetIndex( _p, 1 ), "flesh" );
 761             jsonObjectRemoveKey( jsonObjectGetIndex( _p, 1 ), "flesh_columns" );
 762         } else {
 763             jsonObjectSetIndex( _p, 1, jsonNewObjectType(JSON_HASH) );
 764         }
 765
 766         jsonObjectSetKey( jsonObjectGetIndex( _p, 1 ), "no_i18n", jsonParseString("true") );
 767
 768         jsonObjectSetKey(
 769             jsonObjectGetIndex( _p, 1 ),
 770             "select",
 771             jsonParseStringFmt(
 772                 "{ \"%s\":[\"%s\"] }",
 773                 osrfHashGet( class_obj, "classname" ),
 774                 osrfHashGet( class_obj, "primarykey" )
 775             )
 776         );
 777
 778         obj = doFieldmapperSearch(ctx, class_obj, _p, &err);
 779
 780         jsonObjectFree(_p);
 781         if(err) return err;
 782
 783         jsonObject* cur;
 784         jsonIterator* itr = jsonNewIterator( obj );
 785         while ((cur = jsonIteratorNext( itr ))) {
 786 #ifdef PCRUD
 787             if(!verifyObjectPCRUD(ctx, cur)) continue;
 788 #endif
 789             osrfAppRespond(
 790                     ctx,
 791                     oilsFMGetObject( cur, osrfHashGet( class_obj, "primarykey" ) )
 792                     );
 793         }
 794         jsonIteratorFree(itr);
 795         osrfAppRespondComplete( ctx, NULL );
 796
 797     } else {
 798         osrfAppRespondComplete( ctx, obj );
 799     }
 800
 801     jsonObjectFree(obj);
 802
 803     return err;
 804 }
 805
 806 static int verifyObjectClass ( osrfMethodContext* ctx, const jsonObject* param ) {
 807
 808     int ret = 1;
 809     osrfHash* meta = (osrfHash*) ctx->method->userData;
 810     osrfHash* class = osrfHashGet( meta, "class" );
 811
 812     if (!param->classname || (strcmp( osrfHashGet(class, "classname"), param->classname ))) {
 813
 814         growing_buffer* msg = buffer_init(128);
 815         buffer_fadd(
 816                 msg,
 817                 "%s: %s method for type %s was passed a %s",
 818                 MODULENAME,
 819                 osrfHashGet(meta, "methodtype"),
 820                 osrfHashGet(class, "classname"),
 821                 param->classname
 822                 );
 823
 824         char* m = buffer_release(msg);
 825         osrfAppSessionStatus( ctx->session, OSRF_STATUS_BADREQUEST, "osrfMethodException", ctx->request, m );
 826
 827         free(m);
 828
 829         return 0;
 830     }
 831
 832 #ifdef PCRUD
 833     ret = verifyObjectPCRUD( ctx, param );
 834 #endif
 835
 836     return ret;
 837 }
 838
 839 #ifdef PCRUD
 840
 841 static jsonObject* verifyUserPCRUD( osrfMethodContext* ctx ) {
 842     char* auth = jsonObjectToSimpleString( jsonObjectGetIndex( ctx->params, 0 ) );
 843     jsonObject* auth_object = jsonNewObject(auth);
 844     jsonObject* user = oilsUtilsQuickReq("open-ils.auth","open-ils.auth.session.retrieve", auth_object);
 845     jsonObjectFree(auth_object);
 846
 847     if (!user->classname || strcmp(user->classname, "au")) {
 848
 849         growing_buffer* msg = buffer_init(128);
 850         buffer_fadd(
 851             msg,
 852             "%s: permacrud received a bad auth token: %s",
 853             MODULENAME,
 854             auth
 855         );
 856
 857         char* m = buffer_release(msg);
 858         osrfAppSessionStatus( ctx->session, OSRF_STATUS_UNAUTHORIZED, "osrfMethodException", ctx->request, m );
 859
 860         free(m);
 861         jsonObjectFree(user);
 862         user = jsonNULL;
 863     }
 864
 865     free(auth);
 866     return user;
 867
 868 }
 869
 870 static int verifyObjectPCRUD (  osrfMethodContext* ctx, const jsonObject* obj ) {
 871
 872     dbhandle = writehandle;
 873
 874     osrfHash* meta = (osrfHash*) ctx->method->userData;
 875     osrfHash* class = osrfHashGet( meta, "class" );
 876     char* method_type = strdup( osrfHashGet(meta, "methodtype") );
 877     int fetch = 1;
 878
 879     if ( ( *method_type == 's' || *method_type == 'i' ) ) {
 880         free(method_type);
 881         method_type = strdup("retrieve");
 882         fetch = 0; // don't go to the db for the object for retrieve-type methods
 883     } else if ( *method_type == 'c' ) {
 884         fetch = 0; // CAN'T go to the db for the object for create-type methods
 885     }
 886
 887     osrfHash* pcrud = osrfHashGet( osrfHashGet(class, "permacrud"), method_type );
 888     free(method_type);
 889
 890     if (!pcrud) {
 891         // No permacrud for this method type on this class
 892
 893         growing_buffer* msg = buffer_init(128);
 894         buffer_fadd(
 895             msg,
 896             "%s: %s on class %s has no permacrud IDL entry",
 897             MODULENAME,
 898             osrfHashGet(meta, "methodtype"),
 899             osrfHashGet(class, "classname")
 900         );
 901
 902         char* m = buffer_release(msg);
 903         osrfAppSessionStatus( ctx->session, OSRF_STATUS_FORBIDDEN, "osrfMethodException", ctx->request, m );
 904
 905         free(m);
 906
 907         return 0;
 908     }
 909
 910     jsonObject* user = verifyUserPCRUD( ctx );
 911     if (!user) return 0;
 912
 913     int userid = atoi( oilsFMGetString( user, "id" ) );
 914     jsonObjectFree(user);
 915
 916     osrfStringArray* permission = osrfHashGet(pcrud, "permission");
 917     char* global_required = osrfHashGet(pcrud, "global_required");
 918     osrfStringArray* local_context = osrfHashGet(pcrud, "local_context");
 919     osrfHash* foreign_context = osrfHashGet(pcrud, "foreign_context");
 920
 921     osrfStringArray* context_org_array = osrfNewStringArray(1);
 922
 923     int err = 0;
 924     char* pkey_value = NULL;
 925     if (global_required && !strcmp( "true", global_required )) {
 926             osrfLogDebug( OSRF_LOG_MARK, "global-level permissions required, fetching top of the org tree" );
 927
 928         // check for perm at top of org tree
 929         jsonObject* _tmp_params = jsonParseString("[{\"parent_ou\":null}]");
 930                 jsonObject* _list = doFieldmapperSearch(ctx, osrfHashGet( oilsIDL(), "aou" ), _tmp_params, &err);
 931
 932         jsonObject* _tree_top = jsonObjectGetIndex(_list, 0);
 933
 934         if (!_tree_top) {
 935             jsonObjectFree(_tmp_params);
 936             jsonObjectFree(_list);
 937
 938             growing_buffer* msg = buffer_init(128);
 939                         OSRF_BUFFER_ADD( msg, MODULENAME );
 940                         OSRF_BUFFER_ADD( msg,
 941                                 ": Internal error, could not find the top of the org tree (parent_ou = NULL)" );
 942
 943             char* m = buffer_release(msg);
 944             osrfAppSessionStatus( ctx->session, OSRF_STATUS_INTERNALSERVERERROR, "osrfMethodException", ctx->request, m );
 945             free(m);
 946
 947             return 0;
 948         }
 949
 950         osrfStringArrayAdd( context_org_array, oilsFMGetString( _tree_top, "id" ) );
 951             osrfLogDebug( OSRF_LOG_MARK, "top of the org tree is %s", osrfStringArrayGetString(context_org_array, 0) );
 952
 953         jsonObjectFree(_tmp_params);
 954         jsonObjectFree(_list);
 955
 956     } else {
 957             osrfLogDebug( OSRF_LOG_MARK, "global-level permissions not required, fetching context org ids" );
 958             char* pkey = osrfHashGet(class, "primarykey");
 959         jsonObject *param = NULL;
 960
 961         if (obj->classname) {
 962             pkey_value = oilsFMGetString( obj, pkey );
 963             if (!fetch) param = jsonObjectClone(obj);
 964                 osrfLogDebug( OSRF_LOG_MARK, "Object supplied, using primary key value of %s", pkey_value );
 965         } else {
 966             pkey_value = jsonObjectToSimpleString( obj );
 967             fetch = 1;
 968                 osrfLogDebug( OSRF_LOG_MARK, "Object not supplied, using primary key value of %s and retrieving from the database", pkey_value );
 969         }
 970
 971         if (fetch) {
 972             jsonObject* _tmp_params = jsonParseStringFmt("[{\"%s\":\"%s\"}]", pkey, pkey_value);
 973                 jsonObject* _list = doFieldmapperSearch(
 974                 ctx,
 975                 class,
 976                 _tmp_params,
 977                 &err
 978             );
 979
 980             param = jsonObjectClone(jsonObjectGetIndex(_list, 0));
 981
 982             jsonObjectFree(_tmp_params);
 983             jsonObjectFree(_list);
 984         }
 985
 986         if (!param) {
 987             osrfLogDebug( OSRF_LOG_MARK, "Object not found in the database with primary key %s of %s", pkey, pkey_value );
 988
 989             growing_buffer* msg = buffer_init(128);
 990             buffer_fadd(
 991                 msg,
 992                 "%s: no object found with primary key %s of %s",
 993                 MODULENAME,
 994                 pkey,
 995                 pkey_value
 996             );
 997
 998             char* m = buffer_release(msg);
 999             osrfAppSessionStatus(
1000                 ctx->session,
1001                 OSRF_STATUS_INTERNALSERVERERROR,
1002                 "osrfMethodException",
1003                 ctx->request,
1004                 m
1005             );
1006
1007             free(m);
1008             if (pkey_value) free(pkey_value);
1009
1010             return 0;
1011         }
1012
1013         if (local_context->size > 0) {
1014                 osrfLogDebug( OSRF_LOG_MARK, "%d class-local context field(s) specified", local_context->size);
1015             int i = 0;
1016             char* lcontext = NULL;
1017             while ( (lcontext = osrfStringArrayGetString(local_context, i++)) ) {
1018                 osrfStringArrayAdd( context_org_array, oilsFMGetString( param, lcontext ) );
1019                     osrfLogDebug(
1020                     OSRF_LOG_MARK,
1021                     "adding class-local field %s (value: %s) to the context org list",
1022                     lcontext,
1023                     osrfStringArrayGetString(context_org_array, context_org_array->size - 1)
1024                 );
1025             }
1026         }
1027
1028         osrfStringArray* class_list;
1029
1030         if (foreign_context) {
1031             class_list = osrfHashKeys( foreign_context );
1032                 osrfLogDebug( OSRF_LOG_MARK, "%d foreign context classes(s) specified", class_list->size);
1033
1034             if (class_list->size > 0) {
1035
1036                 int i = 0;
1037                 char* class_name = NULL;
1038                 while ( (class_name = osrfStringArrayGetString(class_list, i++)) ) {
1039                     osrfHash* fcontext = osrfHashGet(foreign_context, class_name);
1040
1041                         osrfLogDebug(
1042                         OSRF_LOG_MARK,
1043                         "%d foreign context fields(s) specified for class %s",
1044                         ((osrfStringArray*)osrfHashGet(fcontext,"context"))->size,
1045                         class_name
1046                     );
1047
1048                     char* foreign_pkey = osrfHashGet(fcontext, "field");
1049                     char* foreign_pkey_value = oilsFMGetString(param, osrfHashGet(fcontext, "fkey"));
1050
1051                     jsonObject* _tmp_params = jsonParseStringFmt(
1052                         "[{\"%s\":\"%s\"}]",
1053                         foreign_pkey,
1054                         foreign_pkey_value
1055                     );
1056
1057                         jsonObject* _list = doFieldmapperSearch(
1058                         ctx,
1059                         osrfHashGet( oilsIDL(), class_name ),
1060                         _tmp_params,
1061                         &err
1062                     );
1063
1064                     jsonObject* _fparam = jsonObjectGetIndex(_list, 0);
1065
1066                     if (!_fparam) {
1067                         jsonObjectFree(_tmp_params);
1068                         jsonObjectFree(_list);
1069
1070                         growing_buffer* msg = buffer_init(128);
1071                         buffer_fadd(
1072                             msg,
1073                             "%s: no object found with primary key %s of %s",
1074                             MODULENAME,
1075                             foreign_pkey,
1076                             foreign_pkey_value
1077                         );
1078
1079                         char* m = buffer_release(msg);
1080                         osrfAppSessionStatus(
1081                             ctx->session,
1082                             OSRF_STATUS_INTERNALSERVERERROR,
1083                             "osrfMethodException",
1084                             ctx->request,
1085                             m
1086                         );
1087
1088                         free(m);
1089                         osrfStringArrayFree(class_list);
1090                         free(foreign_pkey_value);
1091                         jsonObjectFree(param);
1092
1093                         return 0;
1094                     }
1095
1096                     jsonObjectFree(_tmp_params);
1097                     free(foreign_pkey_value);
1098
1099                     int j = 0;
1100                     char* foreign_field = NULL;
1101                     while ( (foreign_field = osrfStringArrayGetString(osrfHashGet(fcontext,"context"), j++)) ) {
1102                         osrfStringArrayAdd( context_org_array, oilsFMGetString( _fparam, foreign_field ) );
1103                             osrfLogDebug(
1104                             OSRF_LOG_MARK,
1105                             "adding foreign class %s field %s (value: %s) to the context org list",
1106                             class_name,
1107                             foreign_field,
1108                             osrfStringArrayGetString(context_org_array, context_org_array->size - 1)
1109                         );
1110                     }
1111
1112                     jsonObjectFree(_list);
1113                 }
1114
1115                 osrfStringArrayFree(class_list);
1116             }
1117         }
1118
1119         jsonObjectFree(param);
1120     }
1121
1122     char* context_org = NULL;
1123     char* perm = NULL;
1124     int OK = 0;
1125
1126     if (permission->size == 0) {
1127             osrfLogDebug( OSRF_LOG_MARK, "No permission specified for this action, passing through" );
1128         OK = 1;
1129     }
1130
1131     int i = 0;
1132     while ( (perm = osrfStringArrayGetString(permission, i++)) ) {
1133         int j = 0;
1134         while ( (context_org = osrfStringArrayGetString(context_org_array, j++)) ) {
1135             dbi_result result;
1136
1137             if (pkey_value) {
1138                     osrfLogDebug(
1139                     OSRF_LOG_MARK,
1140                     "Checking object permission [%s] for user %d on object %s (class %s) at org %d",
1141                     perm,
1142                     userid,
1143                     pkey_value,
1144                     osrfHashGet(class, "classname"),
1145                     atoi(context_org)
1146                 );
1147
1148                 result = dbi_conn_queryf(
1149                     writehandle,
1150                     "SELECT permission.usr_has_object_perm(%d, '%s', '%s', '%s', %d) AS has_perm;",
1151                     userid,
1152                     perm,
1153                     osrfHashGet(class, "classname"),
1154                     pkey_value,
1155                     atoi(context_org)
1156                 );
1157
1158                 if (result) {
1159                     osrfLogDebug(
1160                         OSRF_LOG_MARK,
1161                         "Recieved a result for object permission [%s] for user %d on object %s (class %s) at org %d",
1162                         perm,
1163                         userid,
1164                         pkey_value,
1165                         osrfHashGet(class, "classname"),
1166                         atoi(context_org)
1167                     );
1168
1169                     if (dbi_result_first_row(result)) {
1170                         jsonObject* return_val = oilsMakeJSONFromResult( result );
1171                         char* has_perm = jsonObjectToSimpleString( jsonObjectGetKeyConst(return_val, "has_perm") );
1172
1173                             osrfLogDebug(
1174                             OSRF_LOG_MARK,
1175                             "Status of object permission [%s] for user %d on object %s (class %s) at org %d is %s",
1176                             perm,
1177                             userid,
1178                             pkey_value,
1179                             osrfHashGet(class, "classname"),
1180                             atoi(context_org),
1181                             has_perm
1182                         );
1183
1184                         if ( *has_perm == 't' ) OK = 1;
1185                         free(has_perm);
1186                         jsonObjectFree(return_val);
1187                     }
1188
1189                     dbi_result_free(result);
1190                     if (OK) break;
1191                 }
1192             }
1193
1194                 osrfLogDebug( OSRF_LOG_MARK, "Checking non-object permission [%s] for user %d at org %d", perm, userid, atoi(context_org) );
1195             result = dbi_conn_queryf(
1196                 writehandle,
1197                 "SELECT permission.usr_has_perm(%d, '%s', %d) AS has_perm;",
1198                 userid,
1199                 perm,
1200                 atoi(context_org)
1201             );
1202
1203             if (result) {
1204                     osrfLogDebug( OSRF_LOG_MARK, "Recieved a result for permission [%s] for user %d at org %d", perm, userid, atoi(context_org) );
1205                 if (dbi_result_first_row(result)) {
1206                     jsonObject* return_val = oilsMakeJSONFromResult( result );
1207                     char* has_perm = jsonObjectToSimpleString( jsonObjectGetKeyConst(return_val, "has_perm") );
1208                         osrfLogDebug( OSRF_LOG_MARK, "Status of permission [%s] for user %d at org %d is [%s]", perm, userid, atoi(context_org), has_perm );
1209                     if ( *has_perm == 't' ) OK = 1;
1210                     free(has_perm);
1211                     jsonObjectFree(return_val);
1212                 }
1213
1214                 dbi_result_free(result);
1215                 if (OK) break;
1216             }
1217
1218         }
1219         if (OK) break;
1220     }
1221
1222     if (pkey_value) free(pkey_value);
1223     osrfStringArrayFree(context_org_array);
1224
1225     return OK;
1226 }
1227 #endif
1228
1229
1230 static jsonObject* doCreate(osrfMethodContext* ctx, int* err ) {
1231
1232         osrfHash* meta = osrfHashGet( (osrfHash*) ctx->method->userData, "class" );
1233 #ifdef PCRUD
1234         jsonObject* target = jsonObjectGetIndex( ctx->params, 1 );
1235         jsonObject* options = jsonObjectGetIndex( ctx->params, 2 );
1236 #else
1237         jsonObject* target = jsonObjectGetIndex( ctx->params, 0 );
1238         jsonObject* options = jsonObjectGetIndex( ctx->params, 1 );
1239 #endif
1240
1241         if (!verifyObjectClass(ctx, target)) {
1242                 *err = -1;
1243                 return jsonNULL;
1244         }
1245
1246         osrfLogDebug( OSRF_LOG_MARK, "Object seems to be of the correct type" );
1247
1248         if (!ctx->session || !ctx->session->userData || !osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )) {
1249                 osrfLogError( OSRF_LOG_MARK, "No active transaction -- required for CREATE" );
1250
1251                 osrfAppSessionStatus(
1252                         ctx->session,
1253                         OSRF_STATUS_BADREQUEST,
1254                         "osrfMethodException",
1255                         ctx->request,
1256                         "No active transaction -- required for CREATE"
1257                 );
1258                 *err = -1;
1259                 return jsonNULL;
1260         }
1261
1262         if (osrfHashGet( meta, "readonly" ) && strncasecmp("true", osrfHashGet( meta, "readonly" ), 4)) {
1263                 osrfAppSessionStatus(
1264                         ctx->session,
1265                         OSRF_STATUS_BADREQUEST,
1266                         "osrfMethodException",
1267                         ctx->request,
1268                         "Cannot INSERT readonly class"
1269                 );
1270                 *err = -1;
1271                 return jsonNULL;
1272         }
1273
1274
1275         char* trans_id = osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" );
1276
1277         // Set the last_xact_id
1278         int index = oilsIDL_ntop( target->classname, "last_xact_id" );
1279         if (index > -1) {
1280                 osrfLogDebug(OSRF_LOG_MARK, "Setting last_xact_id to %s on %s at position %d", trans_id, target->classname, index);
1281                 jsonObjectSetIndex(target, index, jsonNewObject(trans_id));
1282         }
1283
1284         osrfLogDebug( OSRF_LOG_MARK, "There is a transaction running..." );
1285
1286         dbhandle = writehandle;
1287
1288         osrfHash* fields = osrfHashGet(meta, "fields");
1289         char* pkey = osrfHashGet(meta, "primarykey");
1290         char* seq = osrfHashGet(meta, "sequence");
1291
1292         growing_buffer* table_buf = buffer_init(128);
1293         growing_buffer* col_buf = buffer_init(128);
1294         growing_buffer* val_buf = buffer_init(128);
1295
1296         OSRF_BUFFER_ADD(table_buf, "INSERT INTO ");
1297         OSRF_BUFFER_ADD(table_buf, osrfHashGet(meta, "tablename"));
1298         OSRF_BUFFER_ADD_CHAR( col_buf, '(' );
1299         buffer_add(val_buf,"VALUES (");
1300
1301
1302         int i = 0;
1303         int first = 1;
1304         char* field_name;
1305         osrfStringArray* field_list = osrfHashKeys( fields );
1306         while ( (field_name = osrfStringArrayGetString(field_list, i++)) ) {
1307
1308                 osrfHash* field = osrfHashGet( fields, field_name );
1309
1310                 if(!( strcmp( osrfHashGet(osrfHashGet(fields,field_name), "virtual"), "true" ) )) continue;
1311
1312                 const jsonObject* field_object = oilsFMGetObject( target, field_name );
1313
1314                 char* value;
1315                 if (field_object && field_object->classname) {
1316                         value = oilsFMGetString(
1317                                 field_object,
1318                                 (char*)oilsIDLFindPath("/%s/primarykey", field_object->classname)
1319                         );
1320                 } else {
1321                         value = jsonObjectToSimpleString( field_object );
1322                 }
1323
1324
1325                 if (first) {
1326                         first = 0;
1327                 } else {
1328                         OSRF_BUFFER_ADD_CHAR( col_buf, ',' );
1329                         OSRF_BUFFER_ADD_CHAR( val_buf, ',' );
1330                 }
1331
1332                 buffer_add(col_buf, field_name);
1333
1334                 if (!field_object || field_object->type == JSON_NULL) {
1335                         buffer_add( val_buf, "DEFAULT" );
1336
1337                 } else if ( !strcmp(osrfHashGet(field, "primitive"), "number") ) {
1338                         if ( !strcmp(osrfHashGet(field, "datatype"), "INT8") ) {
1339                                 buffer_fadd( val_buf, "%lld", atoll(value) );
1340
1341                         } else if ( !strcmp(osrfHashGet(field, "datatype"), "INT") ) {
1342                                 buffer_fadd( val_buf, "%d", atoi(value) );
1343
1344                         } else if ( !strcmp(osrfHashGet(field, "datatype"), "NUMERIC") ) {
1345                                 buffer_fadd( val_buf, "%f", atof(value) );
1346                         }
1347                 } else {
1348                         if ( dbi_conn_quote_string(writehandle, &value) ) {
1349                                 OSRF_BUFFER_ADD( val_buf, value );
1350
1351                         } else {
1352                                 osrfLogError(OSRF_LOG_MARK, "%s: Error quoting string [%s]", MODULENAME, value);
1353                                 osrfAppSessionStatus(
1354                                         ctx->session,
1355                                         OSRF_STATUS_INTERNALSERVERERROR,
1356                                         "osrfMethodException",
1357                                         ctx->request,
1358                                         "Error quoting string -- please see the error log for more details"
1359                                 );
1360                                 free(value);
1361                                 buffer_free(table_buf);
1362                                 buffer_free(col_buf);
1363                                 buffer_free(val_buf);
1364                                 *err = -1;
1365                                 return jsonNULL;
1366                         }
1367                 }
1368
1369                 free(value);
1370
1371         }
1372
1373
1374         OSRF_BUFFER_ADD_CHAR( col_buf, ')' );
1375         OSRF_BUFFER_ADD_CHAR( val_buf, ')' );
1376
1377         char* table_str = buffer_release(table_buf);
1378         char* col_str   = buffer_release(col_buf);
1379         char* val_str   = buffer_release(val_buf);
1380         growing_buffer* sql = buffer_init(128);
1381         buffer_fadd( sql, "%s %s %s;", table_str, col_str, val_str );
1382         free(table_str);
1383         free(col_str);
1384         free(val_str);
1385
1386         char* query = buffer_release(sql);
1387
1388         osrfLogDebug(OSRF_LOG_MARK, "%s: Insert SQL [%s]", MODULENAME, query);
1389
1390
1391         dbi_result result = dbi_conn_query(writehandle, query);
1392
1393         jsonObject* obj = NULL;
1394
1395         if (!result) {
1396                 obj = jsonNewObject(NULL);
1397                 osrfLogError(
1398                         OSRF_LOG_MARK,
1399                         "%s ERROR inserting %s object using query [%s]",
1400                         MODULENAME,
1401                         osrfHashGet(meta, "fieldmapper"),
1402                         query
1403                 );
1404                 osrfAppSessionStatus(
1405                         ctx->session,
1406                         OSRF_STATUS_INTERNALSERVERERROR,
1407                         "osrfMethodException",
1408                         ctx->request,
1409                         "INSERT error -- please see the error log for more details"
1410                 );
1411                 *err = -1;
1412         } else {
1413
1414                 char* id = oilsFMGetString(target, pkey);
1415                 if (!id) {
1416                         unsigned long long new_id = dbi_conn_sequence_last(writehandle, seq);
1417                         growing_buffer* _id = buffer_init(10);
1418                         buffer_fadd(_id, "%lld", new_id);
1419                         id = buffer_release(_id);
1420                 }
1421
1422                 // Find quietness specification, if present
1423                 char* quiet_str = NULL;
1424                 if ( options ) {
1425                         const jsonObject* quiet_obj = jsonObjectGetKeyConst( options, "quiet" );
1426                         if( quiet_obj )
1427                                 quiet_str = jsonObjectToSimpleString( quiet_obj );
1428                 }
1429
1430                 if( quiet_str && !strcmp( quiet_str, "true" )) {  // if quietness is specified
1431                         obj = jsonNewObject(id);
1432                 }
1433                 else {
1434
1435                         jsonObject* fake_params = jsonNewObjectType(JSON_ARRAY);
1436                         jsonObjectPush(fake_params, jsonNewObjectType(JSON_HASH));
1437
1438                         jsonObjectSetKey(
1439                                 jsonObjectGetIndex(fake_params, 0),
1440                                 pkey,
1441                                 jsonNewObject(id)
1442                         );
1443
1444                         jsonObject* list = doFieldmapperSearch( ctx,meta, fake_params, err);
1445
1446                         if(*err) {
1447                                 jsonObjectFree( fake_params );
1448                                 obj = jsonNULL;
1449                         } else {
1450                                 obj = jsonObjectClone( jsonObjectGetIndex(list, 0) );
1451                         }
1452
1453                         jsonObjectFree( list );
1454                         jsonObjectFree( fake_params );
1455                 }
1456
1457                 if(quiet_str) free(quiet_str);
1458                 free(id);
1459         }
1460
1461         free(query);
1462
1463         return obj;
1464
1465 }
1466
1467
1468 static jsonObject* doRetrieve(osrfMethodContext* ctx, int* err ) {
1469
1470     int id_pos = 0;
1471     int order_pos = 1;
1472
1473 #ifdef PCRUD
1474     id_pos = 1;
1475     order_pos = 2;
1476 #endif
1477
1478         osrfHash* meta = osrfHashGet( (osrfHash*) ctx->method->userData, "class" );
1479
1480         jsonObject* obj;
1481
1482         char* id = jsonObjectToSimpleString(jsonObjectGetIndex(ctx->params, id_pos));
1483         jsonObject* order_hash = jsonObjectGetIndex(ctx->params, order_pos);
1484
1485         osrfLogDebug(
1486                 OSRF_LOG_MARK,
1487                 "%s retrieving %s object with primary key value of %s",
1488                 MODULENAME,
1489                 osrfHashGet(meta, "fieldmapper"),
1490                 id
1491         );
1492         free(id);
1493
1494         jsonObject* fake_params = jsonNewObjectType(JSON_ARRAY);
1495         jsonObjectPush(fake_params, jsonNewObjectType(JSON_HASH));
1496
1497         jsonObjectSetKey(
1498                 jsonObjectGetIndex(fake_params, 0),
1499                 osrfHashGet(meta, "primarykey"),
1500                 jsonObjectClone(jsonObjectGetIndex(ctx->params, id_pos))
1501         );
1502
1503
1504         if (order_hash) jsonObjectPush(fake_params, jsonObjectClone(order_hash) );
1505
1506         jsonObject* list = doFieldmapperSearch( ctx,meta, fake_params, err);
1507
1508         if(*err) {
1509                 jsonObjectFree( fake_params );
1510                 return jsonNULL;
1511         }
1512
1513         obj = jsonObjectClone( jsonObjectGetIndex(list, 0) );
1514
1515         jsonObjectFree( list );
1516         jsonObjectFree( fake_params );
1517
1518 #ifdef PCRUD
1519         if(!verifyObjectPCRUD(ctx, obj)) {
1520         jsonObjectFree(obj);
1521         *err = -1;
1522
1523         growing_buffer* msg = buffer_init(128);
1524                 OSRF_BUFFER_ADD( msg, MODULENAME );
1525                 OSRF_BUFFER_ADD( msg, ": Insufficient permissions to retrieve object" );
1526
1527         char* m = buffer_release(msg);
1528         osrfAppSessionStatus( ctx->session, OSRF_STATUS_NOTALLOWED, "osrfMethodException", ctx->request, m );
1529
1530         free(m);
1531
1532                 return jsonNULL;
1533         }
1534 #endif
1535
1536         return obj;
1537 }
1538
1539 static char* jsonNumberToDBString ( osrfHash* field, const jsonObject* value ) {
1540         growing_buffer* val_buf = buffer_init(32);
1541
1542         if ( !strncmp(osrfHashGet(field, "datatype"), "INT", (size_t)3) ) {
1543                 if (value->type == JSON_NUMBER) buffer_fadd( val_buf, "%ld", (long)jsonObjectGetNumber(value) );
1544                 else {
1545                         char* val_str = jsonObjectToSimpleString(value);
1546                         buffer_fadd( val_buf, "%ld", atol(val_str) );
1547                         free(val_str);
1548                 }
1549
1550         } else if ( !strcmp(osrfHashGet(field, "datatype"), "NUMERIC") ) {
1551                 if (value->type == JSON_NUMBER) buffer_fadd( val_buf, "%f",  jsonObjectGetNumber(value) );
1552                 else {
1553                         char* val_str = jsonObjectToSimpleString(value);
1554                         buffer_fadd( val_buf, "%f", atof(val_str) );
1555                         free(val_str);
1556                 }
1557         }
1558
1559         return buffer_release(val_buf);
1560 }
1561
1562 static char* searchINPredicate (const char* class, osrfHash* field,
1563                 const jsonObject* node, const char* op) {
1564         growing_buffer* sql_buf = buffer_init(32);
1565
1566         buffer_fadd(
1567                 sql_buf,
1568                 "\"%s\".%s ",
1569                 class,
1570                 osrfHashGet(field, "name")
1571         );
1572
1573         if (!op) {
1574                 buffer_add(sql_buf, "IN (");
1575         } else if (!(strcasecmp(op,"not in"))) {
1576                 buffer_add(sql_buf, "NOT IN (");
1577         } else {
1578                 buffer_add(sql_buf, "IN (");
1579         }
1580
1581         int in_item_index = 0;
1582         int in_item_first = 1;
1583         jsonObject* in_item;
1584         while ( (in_item = jsonObjectGetIndex(node, in_item_index++)) ) {
1585
1586                 if (in_item_first)
1587                         in_item_first = 0;
1588                 else
1589                         buffer_add(sql_buf, ", ");
1590
1591                 if ( !strcmp(osrfHashGet(field, "primitive"), "number") ) {
1592                         char* val = jsonNumberToDBString( field, in_item );
1593                         OSRF_BUFFER_ADD( sql_buf, val );
1594                         free(val);
1595
1596                 } else {
1597                         char* key_string = jsonObjectToSimpleString(in_item);
1598                         if ( dbi_conn_quote_string(dbhandle, &key_string) ) {
1599                                 OSRF_BUFFER_ADD( sql_buf, key_string );
1600                                 free(key_string);
1601                         } else {
1602                                 osrfLogError(OSRF_LOG_MARK, "%s: Error quoting key string [%s]", MODULENAME, key_string);
1603                                 free(key_string);
1604                                 buffer_free(sql_buf);
1605                                 return NULL;
1606                         }
1607                 }
1608         }
1609
1610         OSRF_BUFFER_ADD_CHAR( sql_buf, ')' );
1611
1612         return buffer_release(sql_buf);
1613 }
1614
1615 static char* searchValueTransform( const jsonObject* array ) {
1616         growing_buffer* sql_buf = buffer_init(32);
1617
1618         char* val = NULL;
1619         int func_item_index = 0;
1620         int func_item_first = 2;
1621         jsonObject* func_item;
1622         while ( (func_item = jsonObjectGetIndex(array, func_item_index++)) ) {
1623
1624                 val = jsonObjectToSimpleString(func_item);
1625
1626                 if (func_item_first == 2) {
1627                         OSRF_BUFFER_ADD(sql_buf, val);
1628                         OSRF_BUFFER_ADD(sql_buf, "( ");
1629                         free(val);
1630                         func_item_first--;
1631                         continue;
1632                 }
1633
1634                 if (func_item_first)
1635                         func_item_first--;
1636                 else
1637                         buffer_add(sql_buf, ", ");
1638
1639                 if (func_item->type == JSON_NULL) {
1640                         buffer_add( sql_buf, "NULL" );
1641                 } else if ( dbi_conn_quote_string(dbhandle, &val) ) {
1642                         OSRF_BUFFER_ADD( sql_buf, val );
1643                 } else {
1644                         osrfLogError(OSRF_LOG_MARK, "%s: Error quoting key string [%s]", MODULENAME, val);
1645                         free(val);
1646                         buffer_free(sql_buf);
1647                         return NULL;
1648                 }
1649
1650                 free(val);
1651         }
1652
1653         buffer_add( sql_buf, " )" );
1654
1655         return buffer_release(sql_buf);
1656 }
1657
1658 static char* searchFunctionPredicate (const char* class, osrfHash* field,
1659                 const jsonObject* node, const char* node_key) {
1660         growing_buffer* sql_buf = buffer_init(32);
1661
1662         char* val = searchValueTransform(node);
1663
1664         buffer_fadd(
1665                 sql_buf,
1666                 "\"%s\".%s %s %s",
1667                 class,
1668                 osrfHashGet(field, "name"),
1669                 node_key,
1670                 val
1671         );
1672
1673         free(val);
1674
1675         return buffer_release(sql_buf);
1676 }
1677
1678 static char* searchFieldTransform (const char* class, osrfHash* field, const jsonObject* node) {
1679         growing_buffer* sql_buf = buffer_init(32);
1680
1681         char* field_transform = jsonObjectToSimpleString( jsonObjectGetKeyConst( node, "transform" ) );
1682         char* transform_subcolumn = jsonObjectToSimpleString( jsonObjectGetKeyConst( node, "result_field" ) );
1683
1684         if (field_transform) {
1685                 buffer_fadd( sql_buf, "%s(\"%s\".%s", field_transform, class, osrfHashGet(field, "name"));
1686             const jsonObject* array = jsonObjectGetKeyConst( node, "params" );
1687
1688         if (array) {
1689                 int func_item_index = 0;
1690                 jsonObject* func_item;
1691                 while ( (func_item = jsonObjectGetIndex(array, func_item_index++)) ) {
1692
1693                         char* val = jsonObjectToSimpleString(func_item);
1694
1695                     if ( !val ) {
1696                             buffer_add( sql_buf, ",NULL" );
1697                     } else if ( dbi_conn_quote_string(dbhandle, &val) ) {
1698                                         OSRF_BUFFER_ADD_CHAR( sql_buf, ',' );
1699                                         OSRF_BUFFER_ADD( sql_buf, val );
1700                         } else {
1701                                 osrfLogError(OSRF_LOG_MARK, "%s: Error quoting key string [%s]", MODULENAME, val);
1702                             free(field_transform);
1703                                         free(val);
1704                                 buffer_free(sql_buf);
1705                                 return NULL;
1706                 }
1707                                 free(val);
1708                         }
1709
1710         }
1711
1712         buffer_add(
1713                 sql_buf,
1714                 " )"
1715         );
1716
1717         } else {
1718                 buffer_fadd( sql_buf, "\"%s\".%s", class, osrfHashGet(field, "name"));
1719         }
1720
1721     if (transform_subcolumn) {
1722         char * tmp = buffer_release(sql_buf);
1723         sql_buf = buffer_init(32);
1724         buffer_fadd(
1725             sql_buf,
1726             "(%s).\"%s\"",
1727             tmp,
1728             transform_subcolumn
1729         );
1730         free(tmp);
1731     }
1732
1733         if (field_transform) free(field_transform);
1734         if (transform_subcolumn) free(transform_subcolumn);
1735
1736         return buffer_release(sql_buf);
1737 }
1738
1739 static char* searchFieldTransformPredicate (const char* class, osrfHash* field, jsonObject* node, const char* node_key) {
1740         char* field_transform = searchFieldTransform( class, field, node );
1741         char* value = NULL;
1742
1743         if (!jsonObjectGetKeyConst( node, "value" )) {
1744                 value = searchWHERE( node, osrfHashGet( oilsIDL(), class ), AND_OP_JOIN, NULL );
1745         } else if (jsonObjectGetKeyConst( node, "value" )->type == JSON_ARRAY) {
1746                 value = searchValueTransform(jsonObjectGetKeyConst( node, "value" ));
1747         } else if (jsonObjectGetKeyConst( node, "value" )->type == JSON_HASH) {
1748                 value = searchWHERE( jsonObjectGetKeyConst( node, "value" ), osrfHashGet( oilsIDL(), class ), AND_OP_JOIN, NULL );
1749         } else if (jsonObjectGetKeyConst( node, "value" )->type != JSON_NULL) {
1750                 if ( !strcmp(osrfHashGet(field, "primitive"), "number") ) {
1751                         value = jsonNumberToDBString( field, jsonObjectGetKeyConst( node, "value" ) );
1752                 } else {
1753                         value = jsonObjectToSimpleString(jsonObjectGetKeyConst( node, "value" ));
1754                         if ( !dbi_conn_quote_string(dbhandle, &value) ) {
1755                                 osrfLogError(OSRF_LOG_MARK, "%s: Error quoting key string [%s]", MODULENAME, value);
1756                                 free(value);
1757                                 free(field_transform);
1758                                 return NULL;
1759                         }
1760                 }
1761         }
1762
1763         growing_buffer* sql_buf = buffer_init(32);
1764
1765         buffer_fadd(
1766                 sql_buf,
1767                 "%s %s %s",
1768                 field_transform,
1769                 node_key,
1770                 value
1771         );
1772
1773         free(value);
1774         free(field_transform);
1775
1776         return buffer_release(sql_buf);
1777 }
1778
1779 static char* searchSimplePredicate (const char* orig_op, const char* class,
1780                 osrfHash* field, const jsonObject* node) {
1781
1782         char* val = NULL;
1783
1784         if (node->type != JSON_NULL) {
1785                 if ( !strcmp(osrfHashGet(field, "primitive"), "number") ) {
1786                         val = jsonNumberToDBString( field, node );
1787                 } else {
1788                         val = jsonObjectToSimpleString(node);
1789                 }
1790         }
1791
1792         char* pred = searchWriteSimplePredicate( class, field, osrfHashGet(field, "name"), orig_op, val );
1793
1794         if (val) free(val);
1795
1796         return pred;
1797 }
1798
1799 static char* searchWriteSimplePredicate ( const char* class, osrfHash* field,
1800         const char* left, const char* orig_op, const char* right ) {
1801
1802         char* val = NULL;
1803         char* op = NULL;
1804         if (right == NULL) {
1805                 val = strdup("NULL");
1806
1807                 if (strcmp( orig_op, "=" ))
1808                         op = strdup("IS NOT");
1809                 else
1810                         op = strdup("IS");
1811
1812         } else if ( !strcmp(osrfHashGet(field, "primitive"), "number") ) {
1813                 val = strdup(right);
1814                 op = strdup(orig_op);
1815
1816         } else {
1817                 val = strdup(right);
1818                 if ( !dbi_conn_quote_string(dbhandle, &val) ) {
1819                         osrfLogError(OSRF_LOG_MARK, "%s: Error quoting key string [%s]", MODULENAME, val);
1820                         free(val);
1821                         return NULL;
1822                 }
1823                 op = strdup(orig_op);
1824         }
1825
1826         growing_buffer* sql_buf = buffer_init(16);
1827         buffer_fadd( sql_buf, "\"%s\".%s %s %s", class, left, op, val );
1828         free(val);
1829         free(op);
1830
1831         return buffer_release(sql_buf);
1832 }
1833
1834 static char* searchBETWEENPredicate (const char* class, osrfHash* field, jsonObject* node) {
1835
1836         char* x_string;
1837         char* y_string;
1838
1839         if ( !strcmp(osrfHashGet(field, "primitive"), "number") ) {
1840                 x_string = jsonNumberToDBString(field, jsonObjectGetIndex(node,0));
1841                 y_string = jsonNumberToDBString(field, jsonObjectGetIndex(node,1));
1842
1843         } else {
1844                 x_string = jsonObjectToSimpleString(jsonObjectGetIndex(node,0));
1845                 y_string = jsonObjectToSimpleString(jsonObjectGetIndex(node,1));
1846                 if ( !(dbi_conn_quote_string(dbhandle, &x_string) && dbi_conn_quote_string(dbhandle, &y_string)) ) {
1847                         osrfLogError(OSRF_LOG_MARK, "%s: Error quoting key strings [%s] and [%s]", MODULENAME, x_string, y_string);
1848                         free(x_string);
1849                         free(y_string);
1850                         return NULL;
1851                 }
1852         }
1853
1854         growing_buffer* sql_buf = buffer_init(32);
1855         buffer_fadd( sql_buf, "%s BETWEEN %s AND %s", osrfHashGet(field, "name"), x_string, y_string );
1856         free(x_string);
1857         free(y_string);
1858
1859         return buffer_release(sql_buf);
1860 }
1861
1862 static char* searchPredicate ( const char* class, osrfHash* field, jsonObject* node ) {
1863
1864         char* pred = NULL;
1865         if (node->type == JSON_ARRAY) { // equality IN search
1866                 pred = searchINPredicate( class, field, node, NULL );
1867         } else if (node->type == JSON_HASH) { // non-equality search
1868                 jsonObject* pred_node;
1869                 jsonIterator* pred_itr = jsonNewIterator( node );
1870                 while ( (pred_node = jsonIteratorNext( pred_itr )) ) {
1871                         if ( !(strcasecmp( pred_itr->key,"between" )) )
1872                                 pred = searchBETWEENPredicate( class, field, pred_node );
1873                         else if ( !(strcasecmp( pred_itr->key,"in" )) || !(strcasecmp( pred_itr->key,"not in" )) )
1874                                 pred = searchINPredicate( class, field, pred_node, pred_itr->key );
1875                         else if ( pred_node->type == JSON_ARRAY )
1876                                 pred = searchFunctionPredicate( class, field, pred_node, pred_itr->key );
1877                         else if ( pred_node->type == JSON_HASH )
1878                                 pred = searchFieldTransformPredicate( class, field, pred_node, pred_itr->key );
1879                         else
1880                                 pred = searchSimplePredicate( pred_itr->key, class, field, pred_node );
1881
1882                         break;
1883                 }
1884         jsonIteratorFree(pred_itr);
1885         } else if (node->type == JSON_NULL) { // IS NULL search
1886                 growing_buffer* _p = buffer_init(64);
1887                 buffer_fadd(
1888                         _p,
1889                         "\"%s\".%s IS NULL",
1890                         class,
1891                         osrfHashGet(field, "name")
1892                 );
1893                 pred = buffer_release(_p);
1894         } else { // equality search
1895                 pred = searchSimplePredicate( "=", class, field, node );
1896         }
1897
1898         return pred;
1899
1900 }
1901
1902
1903 /*
1904
1905 join : {
1906         acn : {
1907                 field : record,
1908                 fkey : id
1909                 type : left
1910                 filter_op : or
1911                 filter : { ... },
1912                 join : {
1913                         acp : {
1914                                 field : call_number,
1915                                 fkey : id,
1916                                 filter : { ... },
1917                         },
1918                 },
1919         },
1920         mrd : {
1921                 field : record,
1922                 type : inner
1923                 fkey : id,
1924                 filter : { ... },
1925         }
1926 }
1927
1928 */
1929
1930 static char* searchJOIN ( const jsonObject* join_hash, osrfHash* leftmeta ) {
1931
1932         const jsonObject* working_hash;
1933         jsonObject* freeable_hash = NULL;
1934
1935         if (join_hash->type == JSON_STRING) {
1936                 // create a wrapper around a copy of the original
1937                 char* _tmp = jsonObjectToSimpleString( join_hash );
1938                 freeable_hash = jsonNewObjectType(JSON_HASH);
1939                 jsonObjectSetKey(freeable_hash, _tmp, NULL);
1940                 free(_tmp);
1941                 working_hash = freeable_hash;
1942         }
1943         else
1944                 working_hash = join_hash;
1945
1946         growing_buffer* join_buf = buffer_init(128);
1947         char* leftclass = osrfHashGet(leftmeta, "classname");
1948
1949         jsonObject* snode = NULL;
1950         jsonIterator* search_itr = jsonNewIterator( working_hash );
1951         if(freeable_hash)
1952                 jsonObjectFree(freeable_hash);
1953
1954         while ( (snode = jsonIteratorNext( search_itr )) ) {
1955                 osrfHash* idlClass = osrfHashGet( oilsIDL(), search_itr->key );
1956
1957                 char* class = osrfHashGet(idlClass, "classname");
1958
1959                 char* fkey = jsonObjectToSimpleString( jsonObjectGetKeyConst( snode, "fkey" ) );
1960                 char* field = jsonObjectToSimpleString( jsonObjectGetKeyConst( snode, "field" ) );
1961
1962                 if (field && !fkey) {
1963                         fkey = (char*)oilsIDLFindPath("/%s/links/%s/key", class, field);
1964                         if (!fkey) {
1965                                 osrfLogError(
1966                                         OSRF_LOG_MARK,
1967                                         "%s: JOIN failed.  No link defined from %s.%s to %s",
1968                                         MODULENAME,
1969                                         class,
1970                                         field,
1971                                         leftclass
1972                                 );
1973                                 buffer_free(join_buf);
1974                                 free(field);
1975                                 jsonIteratorFree(search_itr);
1976                                 return NULL;
1977                         }
1978                         fkey = strdup( fkey );
1979
1980                 } else if (!field && fkey) {
1981                         field = (char*)oilsIDLFindPath("/%s/links/%s/key", leftclass, fkey );
1982                         if (!field) {
1983                                 osrfLogError(
1984                                         OSRF_LOG_MARK,
1985                                         "%s: JOIN failed.  No link defined from %s.%s to %s",
1986                                         MODULENAME,
1987                                         leftclass,
1988                                         fkey,
1989                                         class
1990                                 );
1991                                 buffer_free(join_buf);
1992                                 free(fkey);
1993                                 jsonIteratorFree(search_itr);
1994                                 return NULL;
1995                         }
1996                         field = strdup( field );
1997
1998                 } else if (!field && !fkey) {
1999                         osrfHash* _links = oilsIDLFindPath("/%s/links", leftclass);
2000
2001                         int i = 0;
2002                         osrfStringArray* keys = osrfHashKeys( _links );
2003                         while ( (fkey = osrfStringArrayGetString(keys, i++)) ) {
2004                                 fkey = strdup(osrfStringArrayGetString(keys, i++));
2005                                 if ( !strcmp( (char*)oilsIDLFindPath("/%s/links/%s/class", leftclass, fkey), class) ) {
2006                                         field = strdup( (char*)oilsIDLFindPath("/%s/links/%s/key", leftclass, fkey) );
2007                                         break;
2008                                 } else {
2009                                         free(fkey);
2010                                 }
2011                         }
2012                         osrfStringArrayFree(keys);
2013
2014                         if (!field && !fkey) {
2015                                 _links = oilsIDLFindPath("/%s/links", class);
2016
2017                                 i = 0;
2018                                 keys = osrfHashKeys( _links );
2019                                 while ( (field = osrfStringArrayGetString(keys, i++)) ) {
2020                                         field = strdup(osrfStringArrayGetString(keys, i++));
2021                                         if ( !strcmp( (char*)oilsIDLFindPath("/%s/links/%s/class", class, field), class) ) {
2022                                                 fkey = strdup( (char*)oilsIDLFindPath("/%s/links/%s/key", class, field) );
2023                                                 break;
2024                                         } else {
2025                                                 free(field);
2026                                         }
2027                                 }
2028                                 osrfStringArrayFree(keys);
2029                         }
2030
2031                         if (!field && !fkey) {
2032                                 osrfLogError(
2033                                         OSRF_LOG_MARK,
2034                                         "%s: JOIN failed.  No link defined between %s and %s",
2035                                         MODULENAME,
2036                                         leftclass,
2037                                         class
2038                                 );
2039                                 buffer_free(join_buf);
2040                                 jsonIteratorFree(search_itr);
2041                                 return NULL;
2042                         }
2043
2044                 }
2045
2046                 char* type = jsonObjectToSimpleString( jsonObjectGetKeyConst( snode, "type" ) );
2047                 if (type) {
2048                         if ( !strcasecmp(type,"left") ) {
2049                                 buffer_add(join_buf, " LEFT JOIN");
2050                         } else if ( !strcasecmp(type,"right") ) {
2051                                 buffer_add(join_buf, " RIGHT JOIN");
2052                         } else if ( !strcasecmp(type,"full") ) {
2053                                 buffer_add(join_buf, " FULL JOIN");
2054                         } else {
2055                                 buffer_add(join_buf, " INNER JOIN");
2056                         }
2057                 } else {
2058                         buffer_add(join_buf, " INNER JOIN");
2059                 }
2060                 free(type);
2061
2062                 char* table = getSourceDefinition(idlClass);
2063                 buffer_fadd(join_buf, " %s AS \"%s\" ON ( \"%s\".%s = \"%s\".%s", table, class, class, field, leftclass, fkey);
2064                 free(table);
2065
2066                 const jsonObject* filter = jsonObjectGetKeyConst( snode, "filter" );
2067                 if (filter) {
2068                         char* filter_op = jsonObjectToSimpleString( jsonObjectGetKeyConst( snode, "filter_op" ) );
2069                         if (filter_op) {
2070                                 if (!strcasecmp("or",filter_op)) {
2071                                         buffer_add( join_buf, " OR " );
2072                                 } else {
2073                                         buffer_add( join_buf, " AND " );
2074                                 }
2075                         } else {
2076                                 buffer_add( join_buf, " AND " );
2077                         }
2078
2079                         char* jpred = searchWHERE( filter, idlClass, AND_OP_JOIN, NULL );
2080                         OSRF_BUFFER_ADD_CHAR( join_buf, ' ' );
2081                         OSRF_BUFFER_ADD( join_buf, jpred );
2082                         free(jpred);
2083                         free(filter_op);
2084                 }
2085
2086                 buffer_add(join_buf, " ) ");
2087
2088                 const jsonObject* join_filter = jsonObjectGetKeyConst( snode, "join" );
2089                 if (join_filter) {
2090                         char* jpred = searchJOIN( join_filter, idlClass );
2091                         OSRF_BUFFER_ADD_CHAR( join_buf, ' ' );
2092                         OSRF_BUFFER_ADD( join_buf, jpred );
2093                         free(jpred);
2094                 }
2095
2096                 free(fkey);
2097                 free(field);
2098         }
2099
2100     jsonIteratorFree(search_itr);
2101
2102         return buffer_release(join_buf);
2103 }
2104
2105 /*
2106
2107 { +class : { -or|-and : { field : { op : value }, ... } ... }, ... }
2108 { +class : { -or|-and : [ { field : { op : value }, ... }, ...] ... }, ... }
2109 [ { +class : { -or|-and : [ { field : { op : value }, ... }, ...] ... }, ... }, ... ]
2110
2111 */
2112
2113 static char* searchWHERE ( const jsonObject* search_hash, osrfHash* meta, int opjoin_type, osrfMethodContext* ctx ) {
2114
2115         osrfLogDebug(
2116         OSRF_LOG_MARK,
2117         "%s: Entering searchWHERE; search_hash addr = %d, meta addr = %d, opjoin_type = %d, ctx addr = %d",
2118         MODULENAME,
2119         search_hash,
2120         meta,
2121         opjoin_type,
2122         ctx
2123     );
2124
2125         growing_buffer* sql_buf = buffer_init(128);
2126
2127         jsonObject* node = NULL;
2128
2129     int first = 1;
2130     if ( search_hash->type == JSON_ARRAY ) {
2131             osrfLogDebug(OSRF_LOG_MARK, "%s: In WHERE clause, condition type is JSON_ARRAY", MODULENAME);
2132         jsonIterator* search_itr = jsonNewIterator( search_hash );
2133         while ( (node = jsonIteratorNext( search_itr )) ) {
2134             if (first) {
2135                 first = 0;
2136             } else {
2137                 if (opjoin_type == OR_OP_JOIN) buffer_add(sql_buf, " OR ");
2138                 else buffer_add(sql_buf, " AND ");
2139             }
2140
2141             char* subpred = searchWHERE( node, meta, opjoin_type, ctx );
2142             buffer_fadd(sql_buf, "( %s )", subpred);
2143             free(subpred);
2144         }
2145         jsonIteratorFree(search_itr);
2146
2147     } else if ( search_hash->type == JSON_HASH ) {
2148             osrfLogDebug(OSRF_LOG_MARK, "%s: In WHERE clause, condition type is JSON_HASH", MODULENAME);
2149         jsonIterator* search_itr = jsonNewIterator( search_hash );
2150         while ( (node = jsonIteratorNext( search_itr )) ) {
2151
2152             if (first) {
2153                 first = 0;
2154             } else {
2155                 if (opjoin_type == OR_OP_JOIN) buffer_add(sql_buf, " OR ");
2156                 else buffer_add(sql_buf, " AND ");
2157             }
2158
2159             if ( !strncmp("+",search_itr->key,1) ) {
2160                 if ( node->type == JSON_STRING ) {
2161                     char* subpred = jsonObjectToSimpleString( node );
2162                     buffer_fadd(sql_buf, " \"%s\".%s ", search_itr->key + 1, subpred);
2163                     free(subpred);
2164                 } else {
2165                     char* subpred = searchWHERE( node, osrfHashGet( oilsIDL(), search_itr->key + 1 ), AND_OP_JOIN, ctx );
2166                     buffer_fadd(sql_buf, "( %s )", subpred);
2167                     free(subpred);
2168                 }
2169             } else if ( !strcasecmp("-or",search_itr->key) ) {
2170                 char* subpred = searchWHERE( node, meta, OR_OP_JOIN, ctx );
2171                 buffer_fadd(sql_buf, "( %s )", subpred);
2172                 free(subpred);
2173             } else if ( !strcasecmp("-and",search_itr->key) ) {
2174                 char* subpred = searchWHERE( node, meta, AND_OP_JOIN, ctx );
2175                 buffer_fadd(sql_buf, "( %s )", subpred);
2176                 free(subpred);
2177             } else if ( !strcasecmp("-exists",search_itr->key) ) {
2178                 char* subpred = SELECT(
2179                     ctx,
2180                     jsonObjectGetKey( node, "select" ),
2181                     jsonObjectGetKey( node, "from" ),
2182                     jsonObjectGetKey( node, "where" ),
2183                     jsonObjectGetKey( node, "having" ),
2184                     jsonObjectGetKey( node, "order_by" ),
2185                     jsonObjectGetKey( node, "limit" ),
2186                     jsonObjectGetKey( node, "offset" ),
2187                     SUBSELECT
2188                 );
2189
2190                 buffer_fadd(sql_buf, "EXISTS ( %s )", subpred);
2191                 free(subpred);
2192             } else if ( !strcasecmp("-not-exists",search_itr->key) ) {
2193                 char* subpred = SELECT(
2194                     ctx,
2195                     jsonObjectGetKey( node, "select" ),
2196                     jsonObjectGetKey( node, "from" ),
2197                     jsonObjectGetKey( node, "where" ),
2198                     jsonObjectGetKey( node, "having" ),
2199                     jsonObjectGetKey( node, "order_by" ),
2200                     jsonObjectGetKey( node, "limit" ),
2201                     jsonObjectGetKey( node, "offset" ),
2202                     SUBSELECT
2203                 );
2204
2205                 buffer_fadd(sql_buf, "NOT EXISTS ( %s )", subpred);
2206                 free(subpred);
2207             } else {
2208
2209                 char* class = osrfHashGet(meta, "classname");
2210                 osrfHash* fields = osrfHashGet(meta, "fields");
2211                 osrfHash* field = osrfHashGet( fields, search_itr->key );
2212
2213
2214                 if (!field) {
2215                     char* table = getSourceDefinition(meta);
2216                     osrfLogError(
2217                         OSRF_LOG_MARK,
2218                         "%s: Attempt to reference non-existant column %s on %s (%s)",
2219                         MODULENAME,
2220                         search_itr->key,
2221                         table,
2222                         class
2223                     );
2224                     buffer_free(sql_buf);
2225                     free(table);
2226                                         jsonIteratorFree(search_itr);
2227                                         return NULL;
2228                 }
2229
2230                 char* subpred = searchPredicate( class, field, node );
2231                 buffer_add( sql_buf, subpred );
2232                 free(subpred);
2233             }
2234         }
2235             jsonIteratorFree(search_itr);
2236
2237     } else {
2238         // ERROR ... only hash and array allowed at this level
2239         char* predicate_string = jsonObjectToJSON( search_hash );
2240         osrfLogError(
2241             OSRF_LOG_MARK,
2242             "%s: Invalid predicate structure: %s",
2243             MODULENAME,
2244             predicate_string
2245         );
2246         buffer_free(sql_buf);
2247         free(predicate_string);
2248         return NULL;
2249     }
2250
2251
2252         return buffer_release(sql_buf);
2253 }
2254
2255 static char* SELECT (
2256                 /* method context */ osrfMethodContext* ctx,
2257
2258                 /* SELECT   */ jsonObject* selhash,
2259                 /* FROM     */ jsonObject* join_hash,
2260                 /* WHERE    */ jsonObject* search_hash,
2261                 /* HAVING   */ jsonObject* having_hash,
2262                 /* ORDER BY */ jsonObject* order_hash,
2263                 /* LIMIT    */ jsonObject* limit,
2264                 /* OFFSET   */ jsonObject* offset,
2265                 /* flags    */ int flags
2266 ) {
2267         const char* locale = osrf_message_get_last_locale();
2268
2269         // in case we don't get a select list
2270         jsonObject* defaultselhash = NULL;
2271
2272         // general tmp objects
2273         const jsonObject* tmp_const;
2274         jsonObject* _tmp = NULL;
2275         jsonObject* selclass = NULL;
2276         jsonObject* selfield = NULL;
2277         jsonObject* snode = NULL;
2278         jsonObject* onode = NULL;
2279         jsonObject* found = NULL;
2280
2281         char* string = NULL;
2282         int from_function = 0;
2283         int first = 1;
2284         int gfirst = 1;
2285         //int hfirst = 1;
2286
2287         // the core search class
2288         char* core_class = NULL;
2289
2290         // metadata about the core search class
2291         osrfHash* core_meta = NULL;
2292         osrfHash* core_fields = NULL;
2293         osrfHash* idlClass = NULL;
2294
2295         // punt if there's no core class
2296         if (!join_hash || ( join_hash->type == JSON_HASH && !join_hash->size ))
2297                 return NULL;
2298
2299         // get the core class -- the only key of the top level FROM clause, or a string
2300         if (join_hash->type == JSON_HASH) {
2301                 jsonIterator* tmp_itr = jsonNewIterator( join_hash );
2302                 snode = jsonIteratorNext( tmp_itr );
2303
2304                 core_class = strdup( tmp_itr->key );
2305                 join_hash = snode;
2306
2307                 jsonIteratorFree( tmp_itr );
2308                 snode = NULL;
2309
2310         } else if (join_hash->type == JSON_ARRAY) {
2311         from_function = 1;
2312         selhash = NULL;
2313
2314         } else if (join_hash->type == JSON_STRING) {
2315                 core_class = jsonObjectToSimpleString( join_hash );
2316                 join_hash = NULL;
2317         }
2318
2319         // punt if we don't know about the core class (and it's not a function)
2320         if (!from_function && !(core_meta = osrfHashGet( oilsIDL(), core_class ))) {
2321                 free(core_class);
2322                 return NULL;
2323         }
2324
2325         // if the select list is empty, or the core class field list is '*',
2326         // build the default select list ...
2327         if (!selhash) {
2328                 selhash = defaultselhash = jsonNewObjectType(JSON_HASH);
2329                 jsonObjectSetKey( selhash, core_class, jsonNewObjectType(JSON_ARRAY) );
2330         } else if ( (tmp_const = jsonObjectGetKeyConst( selhash, core_class )) && tmp_const->type == JSON_STRING ) {
2331                 char* _x = jsonObjectToSimpleString( tmp_const );
2332                 if (!strncmp( "*", _x, 1 )) {
2333                         jsonObjectRemoveKey( selhash, core_class );
2334                         jsonObjectSetKey( selhash, core_class, jsonNewObjectType(JSON_ARRAY) );
2335                 }
2336                 free(_x);
2337         }
2338
2339         // the query buffer
2340         growing_buffer* sql_buf = buffer_init(128);
2341
2342         // temp buffer for the SELECT list
2343         growing_buffer* select_buf = buffer_init(128);
2344         growing_buffer* order_buf = buffer_init(128);
2345         growing_buffer* group_buf = buffer_init(128);
2346         growing_buffer* having_buf = buffer_init(128);
2347
2348         if (!from_function)
2349         core_fields = osrfHashGet(core_meta, "fields");
2350
2351         // ... and if we /are/ building the default list, do that
2352         if ( (_tmp = jsonObjectGetKey(selhash,core_class)) && !_tmp->size ) {
2353
2354                 int i = 0;
2355                 char* field;
2356
2357         if (!from_function) {
2358                 osrfStringArray* keys = osrfHashKeys( core_fields );
2359                 while ( (field = osrfStringArrayGetString(keys, i++)) ) {
2360                         if ( strncasecmp( "true", osrfHashGet( osrfHashGet( core_fields, field ), "virtual" ), 4 ) )
2361                                 jsonObjectPush( _tmp, jsonNewObject( field ) );
2362                 }
2363                 osrfStringArrayFree(keys);
2364         }
2365         }
2366
2367         // Now we build the actual select list
2368         if (!from_function) {
2369             int sel_pos = 1;
2370             jsonObject* is_agg = jsonObjectFindPath(selhash, "//aggregate");
2371             first = 1;
2372             gfirst = 1;
2373             jsonIterator* selclass_itr = jsonNewIterator( selhash );
2374             while ( (selclass = jsonIteratorNext( selclass_itr )) ) {
2375
2376                     // round trip through the idl, just to be safe
2377                     idlClass = osrfHashGet( oilsIDL(), selclass_itr->key );
2378                     if (!idlClass) continue;
2379                     char* cname = osrfHashGet(idlClass, "classname");
2380
2381                     // make sure the target relation is in the join tree
2382                     if (strcmp(core_class,cname)) {
2383                             if (!join_hash) continue;
2384
2385                             if (join_hash->type == JSON_STRING) {
2386                                     string = jsonObjectToSimpleString(join_hash);
2387                                     found = strcmp(string,cname) ? NULL : jsonParseString("{\"1\":\"1\"}");
2388                                     free(string);
2389                             } else {
2390                                     found = jsonObjectFindPath(join_hash, "//%s", cname);
2391                             }
2392
2393                             if (!found->size) {
2394                                     jsonObjectFree(found);
2395                                     continue;
2396                             }
2397
2398                             jsonObjectFree(found);
2399                     }
2400
2401                     // stitch together the column list ...
2402                     jsonIterator* select_itr = jsonNewIterator( selclass );
2403                     while ( (selfield = jsonIteratorNext( select_itr )) ) {
2404
2405                             char* __column = NULL;
2406                             char* __alias = NULL;
2407
2408                             // ... if it's a sstring, just toss it on the pile
2409                             if (selfield->type == JSON_STRING) {
2410
2411                                     // again, just to be safe
2412                                     char* _requested_col = jsonObjectToSimpleString(selfield);
2413                                     osrfHash* field = osrfHashGet( osrfHashGet( idlClass, "fields" ), _requested_col );
2414                                     free(_requested_col);
2415
2416                                     if (!field) continue;
2417                                     __column = strdup(osrfHashGet(field, "name"));
2418
2419                                     if (first) {
2420                                             first = 0;
2421                                     } else {
2422                                                 OSRF_BUFFER_ADD_CHAR( select_buf, ',' );
2423                                     }
2424
2425                     if (locale) {
2426                             char* i18n = osrfHashGet(field, "i18n");
2427                                     if (flags & DISABLE_I18N)
2428                             i18n = NULL;
2429
2430                             if ( i18n && !strncasecmp("true", i18n, 4)) {
2431                                 char* pkey = osrfHashGet(idlClass, "primarykey");
2432                                 char* tname = osrfHashGet(idlClass, "tablename");
2433
2434                             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);
2435                         } else {
2436                                             buffer_fadd(select_buf, " \"%s\".%s AS \"%s\"", cname, __column, __column);
2437                         }
2438                     } else {
2439                                         buffer_fadd(select_buf, " \"%s\".%s AS \"%s\"", cname, __column, __column);
2440                     }
2441
2442                             // ... but it could be an object, in which case we check for a Field Transform
2443                             } else {
2444
2445                                     __column = jsonObjectToSimpleString( jsonObjectGetKeyConst( selfield, "column" ) );
2446
2447                                     // again, just to be safe
2448                                     osrfHash* field = osrfHashGet( osrfHashGet( idlClass, "fields" ), __column );
2449                                     if (!field) continue;
2450                                     const char* fname = osrfHashGet(field, "name");
2451
2452                                     if (first) {
2453                                             first = 0;
2454                                     } else {
2455                                                 OSRF_BUFFER_ADD_CHAR( select_buf, ',' );
2456                                         }
2457
2458                                     if ((tmp_const = jsonObjectGetKeyConst( selfield, "alias" ))) {
2459                                             __alias = jsonObjectToSimpleString( tmp_const );
2460                                     } else {
2461                                             __alias = strdup(__column);
2462                                     }
2463
2464                                     if (jsonObjectGetKeyConst( selfield, "transform" )) {
2465                                             free(__column);
2466                                             __column = searchFieldTransform(cname, field, selfield);
2467                                             buffer_fadd(select_buf, " %s AS \"%s\"", __column, __alias);
2468                                     } else {
2469                         if (locale) {
2470                                     char* i18n = osrfHashGet(field, "i18n");
2471                                         if (flags & DISABLE_I18N)
2472                                 i18n = NULL;
2473
2474                                     if ( i18n && !strncasecmp("true", i18n, 4)) {
2475                                     char* pkey = osrfHashGet(idlClass, "primarykey");
2476                                     char* tname = osrfHashGet(idlClass, "tablename");
2477
2478                                 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);
2479                             } else {
2480                                                     buffer_fadd(select_buf, " \"%s\".%s AS \"%s\"", cname, fname, __alias);
2481                             }
2482                         } else {
2483                                                 buffer_fadd(select_buf, " \"%s\".%s AS \"%s\"", cname, fname, __alias);
2484                         }
2485                                     }
2486                             }
2487
2488                             if (is_agg->size || (flags & SELECT_DISTINCT)) {
2489
2490                                     if ( !(
2491                             jsonBoolIsTrue( jsonObjectGetKey( selfield, "aggregate" ) ) ||
2492                                 ((int)jsonObjectGetNumber(jsonObjectGetKey( selfield, "aggregate" ))) == 1 // support 1/0 for perl's sake
2493                          )
2494                     ) {
2495                                             if (gfirst) {
2496                                                     gfirst = 0;
2497                                             } else {
2498                                                         OSRF_BUFFER_ADD_CHAR( group_buf, ',' );
2499                                             }
2500
2501                                             buffer_fadd(group_buf, " %d", sel_pos);
2502                                         /*
2503                                     } else if (is_agg = jsonObjectGetKey( selfield, "having" )) {
2504                                             if (gfirst) {
2505                                                     gfirst = 0;
2506                                             } else {
2507                                                         OSRF_BUFFER_ADD_CHAR( group_buf, ',' );
2508                                             }
2509
2510                                             __column = searchFieldTransform(cname, field, selfield);
2511                                                 OSRF_BUFFER_ADD_CHAR(group_buf, ' ');
2512                                                 OSRF_BUFFER_ADD(group_buf, __column);
2513                                             __column = searchFieldTransform(cname, field, selfield);
2514                                         */
2515                                     }
2516                             }
2517
2518                             if (__column) free(__column);
2519                             if (__alias) free(__alias);
2520
2521                             sel_pos++;
2522                     }
2523
2524             // jsonIteratorFree(select_itr);
2525             }
2526
2527         // jsonIteratorFree(selclass_itr);
2528
2529             if (is_agg) jsonObjectFree(is_agg);
2530     } else {
2531                 OSRF_BUFFER_ADD_CHAR( select_buf, '*' );
2532     }
2533
2534
2535         char* col_list = buffer_release(select_buf);
2536         char* table = NULL;
2537     if (!from_function) table = getSourceDefinition(core_meta);
2538     else table = searchValueTransform(join_hash);
2539
2540         // Put it all together
2541         buffer_fadd(sql_buf, "SELECT %s FROM %s AS \"%s\" ", col_list, table, core_class );
2542         free(col_list);
2543         free(table);
2544
2545     if (!from_function) {
2546             // Now, walk the join tree and add that clause
2547             if ( join_hash ) {
2548                     char* join_clause = searchJOIN( join_hash, core_meta );
2549                     buffer_add(sql_buf, join_clause);
2550                     free(join_clause);
2551             }
2552
2553             if ( search_hash ) {
2554                     buffer_add(sql_buf, " WHERE ");
2555
2556                     // and it's on the the WHERE clause
2557                     char* pred = searchWHERE( search_hash, core_meta, AND_OP_JOIN, ctx );
2558
2559                     if (!pred) {
2560                             if (ctx) {
2561                                 osrfAppSessionStatus(
2562                                         ctx->session,
2563                                         OSRF_STATUS_INTERNALSERVERERROR,
2564                                         "osrfMethodException",
2565                                         ctx->request,
2566                                         "Severe query error in WHERE predicate -- see error log for more details"
2567                                 );
2568                             }
2569                             free(core_class);
2570                             buffer_free(having_buf);
2571                             buffer_free(group_buf);
2572                             buffer_free(order_buf);
2573                             buffer_free(sql_buf);
2574                             if (defaultselhash) jsonObjectFree(defaultselhash);
2575                             return NULL;
2576                     } else {
2577                             buffer_add(sql_buf, pred);
2578                             free(pred);
2579                     }
2580         }
2581
2582             if ( having_hash ) {
2583                     buffer_add(sql_buf, " HAVING ");
2584
2585                     // and it's on the the WHERE clause
2586                     char* pred = searchWHERE( having_hash, core_meta, AND_OP_JOIN, ctx );
2587
2588                     if (!pred) {
2589                             if (ctx) {
2590                                 osrfAppSessionStatus(
2591                                         ctx->session,
2592                                         OSRF_STATUS_INTERNALSERVERERROR,
2593                                         "osrfMethodException",
2594                                         ctx->request,
2595                                         "Severe query error in HAVING predicate -- see error log for more details"
2596                                 );
2597                             }
2598                             free(core_class);
2599                             buffer_free(having_buf);
2600                             buffer_free(group_buf);
2601                             buffer_free(order_buf);
2602                             buffer_free(sql_buf);
2603                             if (defaultselhash) jsonObjectFree(defaultselhash);
2604                             return NULL;
2605                     } else {
2606                             buffer_add(sql_buf, pred);
2607                             free(pred);
2608                     }
2609             }
2610
2611             first = 1;
2612             jsonIterator* class_itr = jsonNewIterator( order_hash );
2613             while ( (snode = jsonIteratorNext( class_itr )) ) {
2614
2615                     if (!jsonObjectGetKeyConst(selhash,class_itr->key))
2616                             continue;
2617
2618                     if ( snode->type == JSON_HASH ) {
2619
2620                         jsonIterator* order_itr = jsonNewIterator( snode );
2621                             while ( (onode = jsonIteratorNext( order_itr )) ) {
2622
2623                                     if (!oilsIDLFindPath( "/%s/fields/%s", class_itr->key, order_itr->key ))
2624                                             continue;
2625
2626                                     char* direction = NULL;
2627                                     if ( onode->type == JSON_HASH ) {
2628                                             if ( jsonObjectGetKeyConst( onode, "transform" ) ) {
2629                                                     string = searchFieldTransform(
2630                                                             class_itr->key,
2631                                                             oilsIDLFindPath( "/%s/fields/%s", class_itr->key, order_itr->key ),
2632                                                             onode
2633                                                     );
2634                                             } else {
2635                                                     growing_buffer* field_buf = buffer_init(16);
2636                                                     buffer_fadd(field_buf, "\"%s\".%s", class_itr->key, order_itr->key);
2637                                                     string = buffer_release(field_buf);
2638                                             }
2639
2640                                             if ( (tmp_const = jsonObjectGetKeyConst( onode, "direction" )) ) {
2641                                                     direction = jsonObjectToSimpleString(tmp_const);
2642                                                     if (!strncasecmp(direction, "d", 1)) {
2643                                                             free(direction);
2644                                                             direction = " DESC";
2645                                                     } else {
2646                                                             free(direction);
2647                                                             direction = " ASC";
2648                                                     }
2649                                             }
2650
2651                                     } else {
2652                                             string = strdup(order_itr->key);
2653                                             direction = jsonObjectToSimpleString(onode);
2654                                             if (!strncasecmp(direction, "d", 1)) {
2655                                                     free(direction);
2656                                                     direction = " DESC";
2657                                             } else {
2658                                                     free(direction);
2659                                                     direction = " ASC";
2660                                             }
2661                                     }
2662
2663                                     if (first) {
2664                                             first = 0;
2665                                     } else {
2666                                             buffer_add(order_buf, ", ");
2667                                     }
2668
2669                                     buffer_add(order_buf, string);
2670                                     free(string);
2671
2672                                     if (direction) {
2673                                             buffer_add(order_buf, direction);
2674                                     }
2675
2676                             }
2677                 // jsonIteratorFree(order_itr);
2678
2679                     } else if ( snode->type == JSON_ARRAY ) {
2680
2681                         jsonIterator* order_itr = jsonNewIterator( snode );
2682                             while ( (onode = jsonIteratorNext( order_itr )) ) {
2683
2684                                     char* _f = jsonObjectToSimpleString( onode );
2685
2686                                     if (!oilsIDLFindPath( "/%s/fields/%s", class_itr->key, _f))
2687                                             continue;
2688
2689                                     if (first) {
2690                                             first = 0;
2691                                     } else {
2692                                             buffer_add(order_buf, ", ");
2693                                     }
2694
2695                                     buffer_add(order_buf, _f);
2696                                     free(_f);
2697
2698                             }
2699                 // jsonIteratorFree(order_itr);
2700
2701
2702                     // IT'S THE OOOOOOOOOOOLD STYLE!
2703                     } else {
2704                             osrfLogError(OSRF_LOG_MARK, "%s: Possible SQL injection attempt; direct order by is not allowed", MODULENAME);
2705                             if (ctx) {
2706                                 osrfAppSessionStatus(
2707                                         ctx->session,
2708                                         OSRF_STATUS_INTERNALSERVERERROR,
2709                                         "osrfMethodException",
2710                                         ctx->request,
2711                                         "Severe query error -- see error log for more details"
2712                                 );
2713                             }
2714
2715                             free(core_class);
2716                             buffer_free(having_buf);
2717                             buffer_free(group_buf);
2718                             buffer_free(order_buf);
2719                             buffer_free(sql_buf);
2720                             if (defaultselhash) jsonObjectFree(defaultselhash);
2721                             jsonIteratorFree(class_itr);
2722                             return NULL;
2723                     }
2724
2725             }
2726     }
2727
2728     // jsonIteratorFree(class_itr);
2729
2730         string = buffer_release(group_buf);
2731
2732         if (strlen(string)) {
2733                 OSRF_BUFFER_ADD( sql_buf, " GROUP BY " );
2734                 OSRF_BUFFER_ADD( sql_buf, string );
2735         }
2736
2737         free(string);
2738
2739         string = buffer_release(having_buf);
2740
2741         if (strlen(string)) {
2742                 OSRF_BUFFER_ADD( sql_buf, " HAVING " );
2743                 OSRF_BUFFER_ADD( sql_buf, string );
2744         }
2745
2746         free(string);
2747
2748         string = buffer_release(order_buf);
2749
2750         if (strlen(string)) {
2751                 OSRF_BUFFER_ADD( sql_buf, " ORDER BY " );
2752                 OSRF_BUFFER_ADD( sql_buf, string );
2753         }
2754
2755         free(string);
2756
2757         if ( limit ){
2758                 string = jsonObjectToSimpleString(limit);
2759                 buffer_fadd( sql_buf, " LIMIT %d", atoi(string) );
2760                 free(string);
2761         }
2762
2763         if (offset) {
2764                 string = jsonObjectToSimpleString(offset);
2765                 buffer_fadd( sql_buf, " OFFSET %d", atoi(string) );
2766                 free(string);
2767         }
2768
2769         if (!(flags & SUBSELECT)) OSRF_BUFFER_ADD_CHAR(sql_buf, ';');
2770
2771         free(core_class);
2772         if (defaultselhash) jsonObjectFree(defaultselhash);
2773
2774         return buffer_release(sql_buf);
2775
2776 }
2777
2778 static char* buildSELECT ( jsonObject* search_hash, jsonObject* order_hash, osrfHash* meta, osrfMethodContext* ctx ) {
2779
2780         const char* locale = osrf_message_get_last_locale();
2781
2782         osrfHash* fields = osrfHashGet(meta, "fields");
2783         char* core_class = osrfHashGet(meta, "classname");
2784
2785         const jsonObject* join_hash = jsonObjectGetKeyConst( order_hash, "join" );
2786
2787         jsonObject* node = NULL;
2788         jsonObject* snode = NULL;
2789         jsonObject* onode = NULL;
2790         const jsonObject* _tmp = NULL;
2791         jsonObject* selhash = NULL;
2792         jsonObject* defaultselhash = NULL;
2793
2794         growing_buffer* sql_buf = buffer_init(128);
2795         growing_buffer* select_buf = buffer_init(128);
2796
2797         if ( !(selhash = jsonObjectGetKey( order_hash, "select" )) ) {
2798                 defaultselhash = jsonNewObjectType(JSON_HASH);
2799                 selhash = defaultselhash;
2800         }
2801
2802         if ( !jsonObjectGetKeyConst(selhash,core_class) ) {
2803                 jsonObjectSetKey( selhash, core_class, jsonNewObjectType(JSON_ARRAY) );
2804                 jsonObject* flist = jsonObjectGetKey( selhash, core_class );
2805
2806                 int i = 0;
2807                 char* field;
2808
2809                 osrfStringArray* keys = osrfHashKeys( fields );
2810                 while ( (field = osrfStringArrayGetString(keys, i++)) ) {
2811                         if ( strcasecmp( "true", osrfHashGet( osrfHashGet( fields, field ), "virtual" ) ) )
2812                                 jsonObjectPush( flist, jsonNewObject( field ) );
2813                 }
2814                 osrfStringArrayFree(keys);
2815         }
2816
2817         int first = 1;
2818         jsonIterator* class_itr = jsonNewIterator( selhash );
2819         while ( (snode = jsonIteratorNext( class_itr )) ) {
2820
2821                 osrfHash* idlClass = osrfHashGet( oilsIDL(), class_itr->key );
2822                 if (!idlClass) continue;
2823                 char* cname = osrfHashGet(idlClass, "classname");
2824
2825                 if (strcmp(core_class,class_itr->key)) {
2826                         if (!join_hash) continue;
2827
2828                         jsonObject* found =  jsonObjectFindPath(join_hash, "//%s", class_itr->key);
2829                         if (!found->size) {
2830                                 jsonObjectFree(found);
2831                                 continue;
2832                         }
2833
2834                         jsonObjectFree(found);
2835                 }
2836
2837                 jsonIterator* select_itr = jsonNewIterator( snode );
2838                 while ( (node = jsonIteratorNext( select_itr )) ) {
2839                         char* item_str = jsonObjectToSimpleString(node);
2840                         osrfHash* field = osrfHashGet( osrfHashGet( idlClass, "fields" ), item_str );
2841                         free(item_str);
2842                         char* fname = osrfHashGet(field, "name");
2843
2844                         if (!field) continue;
2845
2846                         if (first) {
2847                                 first = 0;
2848                         } else {
2849                                 OSRF_BUFFER_ADD_CHAR(select_buf, ',');
2850                         }
2851
2852             if (locale) {
2853                         char* i18n = osrfHashGet(field, "i18n");
2854                             if (
2855                     jsonBoolIsTrue( jsonObjectGetKey( order_hash, "no_i18n" ) ) ||
2856                     ((int)jsonObjectGetNumber(jsonObjectGetKey( order_hash, "no_i18n" ))) == 1 // support 1/0 for perl's sake
2857                 ) i18n = NULL;
2858
2859                         if ( i18n && !strncasecmp("true", i18n, 4)) {
2860                         char* pkey = osrfHashGet(idlClass, "primarykey");
2861                         char* tname = osrfHashGet(idlClass, "tablename");
2862
2863                     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);
2864                 } else {
2865                                 buffer_fadd(select_buf, " \"%s\".%s", cname, fname);
2866                 }
2867             } else {
2868                             buffer_fadd(select_buf, " \"%s\".%s", cname, fname);
2869             }
2870                 }
2871
2872         jsonIteratorFree(select_itr);
2873         }
2874
2875     jsonIteratorFree(class_itr);
2876
2877         char* col_list = buffer_release(select_buf);
2878         char* table = getSourceDefinition(meta);
2879
2880         buffer_fadd(sql_buf, "SELECT %s FROM %s AS \"%s\"", col_list, table, core_class );
2881         free(col_list);
2882         free(table);
2883
2884         if ( join_hash ) {
2885                 char* join_clause = searchJOIN( join_hash, meta );
2886                 OSRF_BUFFER_ADD_CHAR(sql_buf, ' ');
2887                 OSRF_BUFFER_ADD(sql_buf, join_clause);
2888                 free(join_clause);
2889         }
2890
2891         osrfLogDebug(OSRF_LOG_MARK, "%s pre-predicate SQL =  %s",
2892                                  MODULENAME, OSRF_BUFFER_C_STR(sql_buf));
2893
2894         buffer_add(sql_buf, " WHERE ");
2895
2896         char* pred = searchWHERE( search_hash, meta, AND_OP_JOIN, ctx );
2897         if (!pred) {
2898                 osrfAppSessionStatus(
2899                         ctx->session,
2900                         OSRF_STATUS_INTERNALSERVERERROR,
2901                                 "osrfMethodException",
2902                                 ctx->request,
2903                                 "Severe query error -- see error log for more details"
2904                         );
2905                 buffer_free(sql_buf);
2906                 if(defaultselhash) jsonObjectFree(defaultselhash);
2907                 return NULL;
2908         } else {
2909                 buffer_add(sql_buf, pred);
2910                 free(pred);
2911         }
2912
2913         if (order_hash) {
2914                 char* string = NULL;
2915                 if ( (_tmp = jsonObjectGetKeyConst( order_hash, "order_by" )) ){
2916
2917                         growing_buffer* order_buf = buffer_init(128);
2918
2919                         first = 1;
2920                         jsonIterator* class_itr = jsonNewIterator( _tmp );
2921                         while ( (snode = jsonIteratorNext( class_itr )) ) {
2922
2923                                 if (!jsonObjectGetKeyConst(selhash,class_itr->key))
2924                                         continue;
2925
2926                                 if ( snode->type == JSON_HASH ) {
2927
2928                                         jsonIterator* order_itr = jsonNewIterator( snode );
2929                                         while ( (onode = jsonIteratorNext( order_itr )) ) {
2930
2931                                                 if (!oilsIDLFindPath( "/%s/fields/%s", class_itr->key, order_itr->key ))
2932                                                         continue;
2933
2934                                                 char* direction = NULL;
2935                                                 if ( onode->type == JSON_HASH ) {
2936                                                         if ( jsonObjectGetKeyConst( onode, "transform" ) ) {
2937                                                                 string = searchFieldTransform(
2938                                                                         class_itr->key,
2939                                                                         oilsIDLFindPath( "/%s/fields/%s", class_itr->key, order_itr->key ),
2940                                                                         onode
2941                                                                 );
2942                                                         } else {
2943                                                                 growing_buffer* field_buf = buffer_init(16);
2944                                                                 buffer_fadd(field_buf, "\"%s\".%s", class_itr->key, order_itr->key);
2945                                                                 string = buffer_release(field_buf);
2946                                                         }
2947
2948                                                         if ( (_tmp = jsonObjectGetKeyConst( onode, "direction" )) ) {
2949                                                                 direction = jsonObjectToSimpleString(_tmp);
2950                                                                 if (!strncasecmp(direction, "d", 1)) {
2951                                                                         free(direction);
2952                                                                         direction = " DESC";
2953                                                                 } else {
2954                                                                         free(direction);
2955                                                                         direction = " ASC";
2956                                                                 }
2957                                                         }
2958
2959                                                 } else {
2960                                                         string = strdup(order_itr->key);
2961                                                         direction = jsonObjectToSimpleString(onode);
2962                                                         if (!strncasecmp(direction, "d", 1)) {
2963                                                                 free(direction);
2964                                                                 direction = " DESC";
2965                                                         } else {
2966                                                                 free(direction);
2967                                                                 direction = " ASC";
2968                                                         }
2969                                                 }
2970
2971                                                 if (first) {
2972                                                         first = 0;
2973                                                 } else {
2974                                                         buffer_add(order_buf, ", ");
2975                                                 }
2976
2977                                                 buffer_add(order_buf, string);
2978                                                 free(string);
2979
2980                                                 if (direction) {
2981                                                         buffer_add(order_buf, direction);
2982                                                 }
2983
2984                                         }
2985
2986                     jsonIteratorFree(order_itr);
2987
2988                                 } else {
2989                                         string = jsonObjectToSimpleString(snode);
2990                                         buffer_add(order_buf, string);
2991                                         free(string);
2992                                         break;
2993                                 }
2994
2995                         }
2996
2997             jsonIteratorFree(class_itr);
2998
2999                         string = buffer_release(order_buf);
3000
3001                         if (strlen(string)) {
3002                                 OSRF_BUFFER_ADD( sql_buf, " ORDER BY " );
3003                                 OSRF_BUFFER_ADD( sql_buf, string );
3004                         }
3005
3006                         free(string);
3007                 }
3008
3009                 if ( (_tmp = jsonObjectGetKeyConst( order_hash, "limit" )) ){
3010                         string = jsonObjectToSimpleString(_tmp);
3011                         buffer_fadd(
3012                                 sql_buf,
3013                                 " LIMIT %d",
3014                                 atoi(string)
3015                         );
3016                         free(string);
3017                 }
3018
3019                 _tmp = jsonObjectGetKeyConst( order_hash, "offset" );
3020                 if (_tmp) {
3021                         string = jsonObjectToSimpleString(_tmp);
3022                         buffer_fadd(
3023                                 sql_buf,
3024                                 " OFFSET %d",
3025                                 atoi(string)
3026                         );
3027                         free(string);
3028                 }
3029         }
3030
3031         if (defaultselhash) jsonObjectFree(defaultselhash);
3032
3033         OSRF_BUFFER_ADD_CHAR(sql_buf, ';');
3034         return buffer_release(sql_buf);
3035 }
3036
3037 int doJSONSearch ( osrfMethodContext* ctx ) {
3038         OSRF_METHOD_VERIFY_CONTEXT(ctx);
3039         osrfLogDebug(OSRF_LOG_MARK, "Recieved query request");
3040
3041         int err = 0;
3042
3043         // XXX for now...
3044         dbhandle = writehandle;
3045
3046         jsonObject* hash = jsonObjectGetIndex(ctx->params, 0);
3047
3048     int flags = 0;
3049
3050         if (jsonBoolIsTrue(jsonObjectGetKey( hash, "distinct" )))
3051          flags |= SELECT_DISTINCT;
3052
3053         if ( ((int)jsonObjectGetNumber(jsonObjectGetKey( hash, "distinct" ))) == 1 ) // support 1/0 for perl's sake
3054          flags |= SELECT_DISTINCT;
3055
3056         if (jsonBoolIsTrue(jsonObjectGetKey( hash, "no_i18n" )))
3057          flags |= DISABLE_I18N;
3058
3059         if ( ((int)jsonObjectGetNumber(jsonObjectGetKey( hash, "no_i18n" ))) == 1 ) // support 1/0 for perl's sake
3060          flags |= DISABLE_I18N;
3061
3062         osrfLogDebug(OSRF_LOG_MARK, "Building SQL ...");
3063         char* sql = SELECT(
3064                         ctx,
3065                         jsonObjectGetKey( hash, "select" ),
3066                         jsonObjectGetKey( hash, "from" ),
3067                         jsonObjectGetKey( hash, "where" ),
3068                         jsonObjectGetKey( hash, "having" ),
3069                         jsonObjectGetKey( hash, "order_by" ),
3070                         jsonObjectGetKey( hash, "limit" ),
3071                         jsonObjectGetKey( hash, "offset" ),
3072                         flags
3073         );
3074
3075         if (!sql) {
3076                 err = -1;
3077                 return err;
3078         }
3079
3080         osrfLogDebug(OSRF_LOG_MARK, "%s SQL =  %s", MODULENAME, sql);
3081         dbi_result result = dbi_conn_query(dbhandle, sql);
3082
3083         if(result) {
3084                 osrfLogDebug(OSRF_LOG_MARK, "Query returned with no errors");
3085
3086                 if (dbi_result_first_row(result)) {
3087                         /* JSONify the result */
3088                         osrfLogDebug(OSRF_LOG_MARK, "Query returned at least one row");
3089
3090                         do {
3091                                 jsonObject* return_val = oilsMakeJSONFromResult( result );
3092                                 osrfAppRespond( ctx, return_val );
3093                 jsonObjectFree( return_val );
3094                         } while (dbi_result_next_row(result));
3095
3096                 } else {
3097                         osrfLogDebug(OSRF_LOG_MARK, "%s returned no results for query %s", MODULENAME, sql);
3098                 }
3099
3100                 osrfAppRespondComplete( ctx, NULL );
3101
3102                 /* clean up the query */
3103                 dbi_result_free(result);
3104
3105         } else {
3106                 err = -1;
3107                 osrfLogError(OSRF_LOG_MARK, "%s: Error with query [%s]", MODULENAME, sql);
3108                 osrfAppSessionStatus(
3109                         ctx->session,
3110                         OSRF_STATUS_INTERNALSERVERERROR,
3111                         "osrfMethodException",
3112                         ctx->request,
3113                         "Severe query error -- see error log for more details"
3114                 );
3115         }
3116
3117         free(sql);
3118         return err;
3119 }
3120
3121 static jsonObject* doFieldmapperSearch ( osrfMethodContext* ctx, osrfHash* meta,
3122                 const jsonObject* params, int* err ) {
3123
3124         // XXX for now...
3125         dbhandle = writehandle;
3126
3127         osrfHash* links = osrfHashGet(meta, "links");
3128         osrfHash* fields = osrfHashGet(meta, "fields");
3129         char* core_class = osrfHashGet(meta, "classname");
3130         char* pkey = osrfHashGet(meta, "primarykey");
3131
3132         const jsonObject* _tmp;
3133         jsonObject* obj;
3134         jsonObject* search_hash = jsonObjectGetIndex(params, 0);
3135         jsonObject* order_hash = jsonObjectGetIndex(params, 1);
3136
3137         char* sql = buildSELECT( search_hash, order_hash, meta, ctx );
3138         if (!sql) {
3139                 osrfLogDebug(OSRF_LOG_MARK, "Problem building query, returning NULL");
3140                 *err = -1;
3141                 return NULL;
3142         }
3143
3144         osrfLogDebug(OSRF_LOG_MARK, "%s SQL =  %s", MODULENAME, sql);
3145         dbi_result result = dbi_conn_query(dbhandle, sql);
3146
3147         jsonObject* res_list = jsonNewObjectType(JSON_ARRAY);
3148         if(result) {
3149                 osrfLogDebug(OSRF_LOG_MARK, "Query returned with no errors");
3150                 osrfHash* dedup = osrfNewHash();
3151
3152                 if (dbi_result_first_row(result)) {
3153                         /* JSONify the result */
3154                         osrfLogDebug(OSRF_LOG_MARK, "Query returned at least one row");
3155                         do {
3156                                 obj = oilsMakeFieldmapperFromResult( result, meta );
3157                                 char* pkey_val = oilsFMGetString( obj, pkey );
3158                                 if ( osrfHashGet( dedup, pkey_val ) ) {
3159                                         jsonObjectFree(obj);
3160                                         free(pkey_val);
3161                                 } else {
3162                                         osrfHashSet( dedup, pkey_val, pkey_val );
3163                                         jsonObjectPush(res_list, obj);
3164                                 }
3165                         } while (dbi_result_next_row(result));
3166                 } else {
3167                         osrfLogDebug(OSRF_LOG_MARK, "%s returned no results for query %s", MODULENAME, sql);
3168                 }
3169
3170                 osrfHashFree(dedup);
3171
3172                 /* clean up the query */
3173                 dbi_result_free(result);
3174
3175         } else {
3176                 osrfLogError(OSRF_LOG_MARK, "%s: Error retrieving %s with query [%s]", MODULENAME, osrfHashGet(meta, "fieldmapper"), sql);
3177                 osrfAppSessionStatus(
3178                         ctx->session,
3179                         OSRF_STATUS_INTERNALSERVERERROR,
3180                         "osrfMethodException",
3181                         ctx->request,
3182                         "Severe query error -- see error log for more details"
3183                 );
3184                 *err = -1;
3185                 free(sql);
3186                 jsonObjectFree(res_list);
3187                 return jsonNULL;
3188
3189         }
3190
3191         free(sql);
3192
3193         if (res_list->size && order_hash) {
3194                 _tmp = jsonObjectGetKeyConst( order_hash, "flesh" );
3195                 if (_tmp) {
3196                         int x = (int)jsonObjectGetNumber(_tmp);
3197                         if (x == -1 || x > max_flesh_depth) x = max_flesh_depth;
3198
3199                         const jsonObject* temp_blob;
3200                         if ((temp_blob = jsonObjectGetKeyConst( order_hash, "flesh_fields" )) && x > 0) {
3201
3202                                 jsonObject* flesh_blob = jsonObjectClone( temp_blob );
3203                                 const jsonObject* flesh_fields = jsonObjectGetKeyConst( flesh_blob, core_class );
3204
3205                                 osrfStringArray* link_fields = NULL;
3206
3207                                 if (flesh_fields) {
3208                                         if (flesh_fields->size == 1) {
3209                                                 char* _t = jsonObjectToSimpleString( jsonObjectGetIndex( flesh_fields, 0 ) );
3210                                                 if (!strcmp(_t,"*")) link_fields = osrfHashKeys( links );
3211                                                 free(_t);
3212                                         }
3213
3214                                         if (!link_fields) {
3215                                                 jsonObject* _f;
3216                                                 link_fields = osrfNewStringArray(1);
3217                                                 jsonIterator* _i = jsonNewIterator( flesh_fields );
3218                                                 while ((_f = jsonIteratorNext( _i ))) {
3219                                                         osrfStringArrayAdd( link_fields, jsonObjectToSimpleString( _f ) );
3220                                                 }
3221                         jsonIteratorFree(_i);
3222                                         }
3223                                 }
3224
3225                                 jsonObject* cur;
3226                                 jsonIterator* itr = jsonNewIterator( res_list );
3227                                 while ((cur = jsonIteratorNext( itr ))) {
3228
3229                                         int i = 0;
3230                                         char* link_field;
3231
3232                                         while ( (link_field = osrfStringArrayGetString(link_fields, i++)) ) {
3233
3234                                                 osrfLogDebug(OSRF_LOG_MARK, "Starting to flesh %s", link_field);
3235
3236                                                 osrfHash* kid_link = osrfHashGet(links, link_field);
3237                                                 if (!kid_link) continue;
3238
3239                                                 osrfHash* field = osrfHashGet(fields, link_field);
3240                                                 if (!field) continue;
3241
3242                                                 osrfHash* value_field = field;
3243
3244                                                 osrfHash* kid_idl = osrfHashGet(oilsIDL(), osrfHashGet(kid_link, "class"));
3245                                                 if (!kid_idl) continue;
3246
3247                                                 if (!(strcmp( osrfHashGet(kid_link, "reltype"), "has_many" ))) { // has_many
3248                                                         value_field = osrfHashGet( fields, osrfHashGet(meta, "primarykey") );
3249                                                 }
3250
3251                                                 if (!(strcmp( osrfHashGet(kid_link, "reltype"), "might_have" ))) { // might_have
3252                                                         value_field = osrfHashGet( fields, osrfHashGet(meta, "primarykey") );
3253                                                 }
3254
3255                                                 osrfStringArray* link_map = osrfHashGet( kid_link, "map" );
3256
3257                                                 if (link_map->size > 0) {
3258                                                         jsonObject* _kid_key = jsonNewObjectType(JSON_ARRAY);
3259                                                         jsonObjectPush(
3260                                                                 _kid_key,
3261                                                                 jsonNewObject( osrfStringArrayGetString( link_map, 0 ) )
3262                                                         );
3263
3264                                                         jsonObjectSetKey(
3265                                                                 flesh_blob,
3266                                                                 osrfHashGet(kid_link, "class"),
3267                                                                 _kid_key
3268                                                         );
3269                                                 };
3270
3271                                                 osrfLogDebug(
3272                                                         OSRF_LOG_MARK,
3273                                                         "Link field: %s, remote class: %s, fkey: %s, reltype: %s",
3274                                                         osrfHashGet(kid_link, "field"),
3275                                                         osrfHashGet(kid_link, "class"),
3276                                                         osrfHashGet(kid_link, "key"),
3277                                                         osrfHashGet(kid_link, "reltype")
3278                                                 );
3279
3280                                                 jsonObject* fake_params = jsonNewObjectType(JSON_ARRAY);
3281                                                 jsonObjectPush(fake_params, jsonNewObjectType(JSON_HASH)); // search hash
3282                                                 jsonObjectPush(fake_params, jsonNewObjectType(JSON_HASH)); // order/flesh hash
3283
3284                                                 osrfLogDebug(OSRF_LOG_MARK, "Creating dummy params object...");
3285
3286                                                 char* search_key =
3287                                                 jsonObjectToSimpleString(
3288                                                         jsonObjectGetIndex(
3289                                                                 cur,
3290                                                                 atoi( osrfHashGet(value_field, "array_position") )
3291                                                         )
3292                                                 );
3293
3294                                                 if (!search_key) {
3295                                                         osrfLogDebug(OSRF_LOG_MARK, "Nothing to search for!");
3296                                                         continue;
3297                                                 }
3298
3299                                                 jsonObjectSetKey(
3300                                                         jsonObjectGetIndex(fake_params, 0),
3301                                                         osrfHashGet(kid_link, "key"),
3302                                                         jsonNewObject( search_key )
3303                                                 );
3304
3305                                                 free(search_key);
3306
3307
3308                                                 jsonObjectSetKey(
3309                                                         jsonObjectGetIndex(fake_params, 1),
3310                                                         "flesh",
3311                                                         jsonNewNumberObject( (double)(x - 1 + link_map->size) )
3312                                                 );
3313
3314                                                 if (flesh_blob)
3315                                                         jsonObjectSetKey( jsonObjectGetIndex(fake_params, 1), "flesh_fields", jsonObjectClone(flesh_blob) );
3316
3317                                                 if (jsonObjectGetKeyConst(order_hash, "order_by")) {
3318                                                         jsonObjectSetKey(
3319                                                                 jsonObjectGetIndex(fake_params, 1),
3320                                                                 "order_by",
3321                                                                 jsonObjectClone(jsonObjectGetKeyConst(order_hash, "order_by"))
3322                                                         );
3323                                                 }
3324
3325                                                 if (jsonObjectGetKeyConst(order_hash, "select")) {
3326                                                         jsonObjectSetKey(
3327                                                                 jsonObjectGetIndex(fake_params, 1),
3328                                                                 "select",
3329                                                                 jsonObjectClone(jsonObjectGetKeyConst(order_hash, "select"))
3330                                                         );
3331                                                 }
3332
3333                                                 jsonObject* kids = doFieldmapperSearch(ctx, kid_idl, fake_params, err);
3334
3335                                                 if(*err) {
3336                                                         jsonObjectFree( fake_params );
3337                                                         osrfStringArrayFree(link_fields);
3338                                                         jsonIteratorFree(itr);
3339                                                         jsonObjectFree(res_list);
3340                                                         jsonObjectFree(flesh_blob);
3341                                                         return jsonNULL;
3342                                                 }
3343
3344                                                 osrfLogDebug(OSRF_LOG_MARK, "Search for %s return %d linked objects", osrfHashGet(kid_link, "class"), kids->size);
3345
3346                                                 jsonObject* X = NULL;
3347                                                 if ( link_map->size > 0 && kids->size > 0 ) {
3348                                                         X = kids;
3349                                                         kids = jsonNewObjectType(JSON_ARRAY);
3350
3351                                                         jsonObject* _k_node;
3352                                                         jsonIterator* _k = jsonNewIterator( X );
3353                                                         while ((_k_node = jsonIteratorNext( _k ))) {
3354                                                                 jsonObjectPush(
3355                                                                         kids,
3356                                                                         jsonObjectClone(
3357                                                                                 jsonObjectGetIndex(
3358                                                                                         _k_node,
3359                                                                                         (unsigned long)atoi(
3360                                                                                                 osrfHashGet(
3361                                                                                                         osrfHashGet(
3362                                                                                                                 osrfHashGet(
3363                                                                                                                         osrfHashGet(
3364                                                                                                                                 oilsIDL(),
3365                                                                                                                                 osrfHashGet(kid_link, "class")
3366                                                                                                                         ),
3367                                                                                                                         "fields"
3368                                                                                                                 ),
3369                                                                                                                 osrfStringArrayGetString( link_map, 0 )
3370                                                                                                         ),
3371                                                                                                         "array_position"
3372                                                                                                 )
3373                                                                                         )
3374                                                                                 )
3375                                                                         )
3376                                                                 );
3377                                                         }
3378                                                         jsonIteratorFree(_k);
3379                                                 }
3380
3381                                                 if (!(strcmp( osrfHashGet(kid_link, "reltype"), "has_a" )) || !(strcmp( osrfHashGet(kid_link, "reltype"), "might_have" ))) {
3382                                                         osrfLogDebug(OSRF_LOG_MARK, "Storing fleshed objects in %s", osrfHashGet(kid_link, "field"));
3383                                                         jsonObjectSetIndex(
3384                                                                 cur,
3385                                                                 (unsigned long)atoi( osrfHashGet( field, "array_position" ) ),
3386                                                                 jsonObjectClone( jsonObjectGetIndex(kids, 0) )
3387                                                         );
3388                                                 }
3389
3390                                                 if (!(strcmp( osrfHashGet(kid_link, "reltype"), "has_many" ))) { // has_many
3391                                                         osrfLogDebug(OSRF_LOG_MARK, "Storing fleshed objects in %s", osrfHashGet(kid_link, "field"));
3392                                                         jsonObjectSetIndex(
3393                                                                 cur,
3394                                                                 (unsigned long)atoi( osrfHashGet( field, "array_position" ) ),
3395                                                                 jsonObjectClone( kids )
3396                                                         );
3397                                                 }
3398
3399                                                 if (X) {
3400                                                         jsonObjectFree(kids);
3401                                                         kids = X;
3402                                                 }
3403
3404                                                 jsonObjectFree( kids );
3405                                                 jsonObjectFree( fake_params );
3406
3407                                                 osrfLogDebug(OSRF_LOG_MARK, "Fleshing of %s complete", osrfHashGet(kid_link, "field"));
3408                                                 osrfLogDebug(OSRF_LOG_MARK, "%s", jsonObjectToJSON(cur));
3409
3410                                         }
3411                                 }
3412                                 jsonObjectFree( flesh_blob );
3413                                 osrfStringArrayFree(link_fields);
3414                                 jsonIteratorFree(itr);
3415                         }
3416                 }
3417         }
3418
3419         return res_list;
3420 }
3421
3422
3423 static jsonObject* doUpdate(osrfMethodContext* ctx, int* err ) {
3424
3425         osrfHash* meta = osrfHashGet( (osrfHash*) ctx->method->userData, "class" );
3426 #ifdef PCRUD
3427         jsonObject* target = jsonObjectGetIndex( ctx->params, 1 );
3428 #else
3429         jsonObject* target = jsonObjectGetIndex( ctx->params, 0 );
3430 #endif
3431
3432         if (!verifyObjectClass(ctx, target)) {
3433                 *err = -1;
3434                 return jsonNULL;
3435         }
3436
3437         if (!osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )) {
3438                 osrfAppSessionStatus(
3439                         ctx->session,
3440                         OSRF_STATUS_BADREQUEST,
3441                         "osrfMethodException",
3442                         ctx->request,
3443                         "No active transaction -- required for UPDATE"
3444                 );
3445                 *err = -1;
3446                 return jsonNULL;
3447         }
3448
3449         if (osrfHashGet( meta, "readonly" ) && strncasecmp("true", osrfHashGet( meta, "readonly" ), 4)) {
3450                 osrfAppSessionStatus(
3451                         ctx->session,
3452                         OSRF_STATUS_BADREQUEST,
3453                         "osrfMethodException",
3454                         ctx->request,
3455                         "Cannot UPDATE readonly class"
3456                 );
3457                 *err = -1;
3458                 return jsonNULL;
3459         }
3460
3461         dbhandle = writehandle;
3462
3463         char* trans_id = osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" );
3464
3465         // Set the last_xact_id
3466         int index = oilsIDL_ntop( target->classname, "last_xact_id" );
3467         if (index > -1) {
3468                 osrfLogDebug(OSRF_LOG_MARK, "Setting last_xact_id to %s on %s at position %d", trans_id, target->classname, index);
3469                 jsonObjectSetIndex(target, index, jsonNewObject(trans_id));
3470         }
3471
3472         char* pkey = osrfHashGet(meta, "primarykey");
3473         osrfHash* fields = osrfHashGet(meta, "fields");
3474
3475         char* id = oilsFMGetString( target, pkey );
3476
3477         osrfLogDebug(
3478                 OSRF_LOG_MARK,
3479                 "%s updating %s object with %s = %s",
3480                 MODULENAME,
3481                 osrfHashGet(meta, "fieldmapper"),
3482                 pkey,
3483                 id
3484         );
3485
3486         growing_buffer* sql = buffer_init(128);
3487         buffer_fadd(sql,"UPDATE %s SET", osrfHashGet(meta, "tablename"));
3488
3489         int i = 0;
3490         int first = 1;
3491         char* field_name;
3492         osrfStringArray* field_list = osrfHashKeys( fields );
3493         while ( (field_name = osrfStringArrayGetString(field_list, i++)) ) {
3494
3495                 osrfHash* field = osrfHashGet( fields, field_name );
3496
3497                 if(!( strcmp( field_name, pkey ) )) continue;
3498                 if(!( strcmp( osrfHashGet(osrfHashGet(fields,field_name), "virtual"), "true" ) )) continue;
3499
3500                 const jsonObject* field_object = oilsFMGetObject( target, field_name );
3501
3502                 char* value;
3503                 if (field_object && field_object->classname) {
3504                         value = oilsFMGetString(
3505                                 field_object,
3506                                 (char*)oilsIDLFindPath("/%s/primarykey", field_object->classname)
3507             );
3508                 } else {
3509                         value = jsonObjectToSimpleString( field_object );
3510                 }
3511
3512                 osrfLogDebug( OSRF_LOG_MARK, "Updating %s object with %s = %s", osrfHashGet(meta, "fieldmapper"), field_name, value);
3513
3514                 if (!field_object || field_object->type == JSON_NULL) {
3515                         if ( !(!( strcmp( osrfHashGet(meta, "classname"), "au" ) ) && !( strcmp( field_name, "passwd" ) )) ) { // arg at the special case!
3516                                 if (first) first = 0;
3517                                 else OSRF_BUFFER_ADD_CHAR(sql, ',');
3518                                 buffer_fadd( sql, " %s = NULL", field_name );
3519                         }
3520
3521                 } else if ( !strcmp(osrfHashGet(field, "primitive"), "number") ) {
3522                         if (first) first = 0;
3523                         else OSRF_BUFFER_ADD_CHAR(sql, ',');
3524
3525                         if ( !strncmp(osrfHashGet(field, "datatype"), "INT", (size_t)3) ) {
3526                                 buffer_fadd( sql, " %s = %ld", field_name, atol(value) );
3527                         } else if ( !strcmp(osrfHashGet(field, "datatype"), "NUMERIC") ) {
3528                                 buffer_fadd( sql, " %s = %f", field_name, atof(value) );
3529                         }
3530
3531                         osrfLogDebug( OSRF_LOG_MARK, "%s is of type %s", field_name, osrfHashGet(field, "datatype"));
3532
3533                 } else {
3534                         if ( dbi_conn_quote_string(dbhandle, &value) ) {
3535                                 if (first) first = 0;
3536                                 else OSRF_BUFFER_ADD_CHAR(sql, ',');
3537                                 buffer_fadd( sql, " %s = %s", field_name, value );
3538
3539                         } else {
3540                                 osrfLogError(OSRF_LOG_MARK, "%s: Error quoting string [%s]", MODULENAME, value);
3541                                 osrfAppSessionStatus(
3542                                         ctx->session,
3543                                         OSRF_STATUS_INTERNALSERVERERROR,
3544                                         "osrfMethodException",
3545                                         ctx->request,
3546                                         "Error quoting string -- please see the error log for more details"
3547                                 );
3548                                 free(value);
3549                                 free(id);
3550                                 buffer_free(sql);
3551                                 *err = -1;
3552                                 return jsonNULL;
3553                         }
3554                 }
3555
3556                 free(value);
3557
3558         }
3559
3560         jsonObject* obj = jsonNewObject(id);
3561
3562         if ( strcmp( osrfHashGet( osrfHashGet( osrfHashGet(meta, "fields"), pkey ), "primitive" ), "number" ) )
3563                 dbi_conn_quote_string(dbhandle, &id);
3564
3565         buffer_fadd( sql, " WHERE %s = %s;", pkey, id );
3566
3567         char* query = buffer_release(sql);
3568         osrfLogDebug(OSRF_LOG_MARK, "%s: Update SQL [%s]", MODULENAME, query);
3569
3570         dbi_result result = dbi_conn_query(dbhandle, query);
3571         free(query);
3572
3573         if (!result) {
3574                 jsonObjectFree(obj);
3575                 obj = jsonNewObject(NULL);
3576                 osrfLogError(
3577                         OSRF_LOG_MARK,
3578                         "%s ERROR updating %s object with %s = %s",
3579                         MODULENAME,
3580                         osrfHashGet(meta, "fieldmapper"),
3581                         pkey,
3582                         id
3583                 );
3584         }
3585
3586         free(id);
3587
3588         return obj;
3589 }
3590
3591 static jsonObject* doDelete(osrfMethodContext* ctx, int* err ) {
3592
3593         osrfHash* meta = osrfHashGet( (osrfHash*) ctx->method->userData, "class" );
3594
3595         if (!osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )) {
3596                 osrfAppSessionStatus(
3597                         ctx->session,
3598                         OSRF_STATUS_BADREQUEST,
3599                         "osrfMethodException",
3600                         ctx->request,
3601                         "No active transaction -- required for DELETE"
3602                 );
3603                 *err = -1;
3604                 return jsonNULL;
3605         }
3606
3607         if (osrfHashGet( meta, "readonly" ) && strncasecmp("true", osrfHashGet( meta, "readonly" ), 4)) {
3608                 osrfAppSessionStatus(
3609                         ctx->session,
3610                         OSRF_STATUS_BADREQUEST,
3611                         "osrfMethodException",
3612                         ctx->request,
3613                         "Cannot DELETE readonly class"
3614                 );
3615                 *err = -1;
3616                 return jsonNULL;
3617         }
3618
3619         dbhandle = writehandle;
3620
3621         jsonObject* obj;
3622
3623         char* pkey = osrfHashGet(meta, "primarykey");
3624
3625         int _obj_pos = 0;
3626 #ifdef PCRUD
3627                 _obj_pos = 1;
3628 #endif
3629
3630         char* id;
3631         if (jsonObjectGetIndex(ctx->params, _obj_pos)->classname) {
3632                 if (!verifyObjectClass(ctx, jsonObjectGetIndex( ctx->params, _obj_pos ))) {
3633                         *err = -1;
3634                         return jsonNULL;
3635                 }
3636
3637                 id = oilsFMGetString( jsonObjectGetIndex(ctx->params, _obj_pos), pkey );
3638         } else {
3639 #ifdef PCRUD
3640         if (!verifyObjectPCRUD( ctx, NULL )) {
3641                         *err = -1;
3642                         return jsonNULL;
3643         }
3644 #endif
3645                 id = jsonObjectToSimpleString(jsonObjectGetIndex(ctx->params, _obj_pos));
3646         }
3647
3648         osrfLogDebug(
3649                 OSRF_LOG_MARK,
3650                 "%s deleting %s object with %s = %s",
3651                 MODULENAME,
3652                 osrfHashGet(meta, "fieldmapper"),
3653                 pkey,
3654                 id
3655         );
3656
3657         obj = jsonNewObject(id);
3658
3659         if ( strcmp( osrfHashGet( osrfHashGet( osrfHashGet(meta, "fields"), pkey ), "primitive" ), "number" ) )
3660                 dbi_conn_quote_string(writehandle, &id);
3661
3662         dbi_result result = dbi_conn_queryf(writehandle, "DELETE FROM %s WHERE %s = %s;", osrfHashGet(meta, "tablename"), pkey, id);
3663
3664         if (!result) {
3665                 jsonObjectFree(obj);
3666                 obj = jsonNewObject(NULL);
3667                 osrfLogError(
3668                         OSRF_LOG_MARK,
3669                         "%s ERROR deleting %s object with %s = %s",
3670                         MODULENAME,
3671                         osrfHashGet(meta, "fieldmapper"),
3672                         pkey,
3673                         id
3674                 );
3675         }
3676
3677         free(id);
3678
3679         return obj;
3680
3681 }
3682
3683
3684 static jsonObject* oilsMakeFieldmapperFromResult( dbi_result result, osrfHash* meta) {
3685         if(!(result && meta)) return jsonNULL;
3686
3687         jsonObject* object = jsonNewObject(NULL);
3688         jsonObjectSetClass(object, osrfHashGet(meta, "classname"));
3689
3690         osrfHash* fields = osrfHashGet(meta, "fields");
3691
3692         osrfLogInternal(OSRF_LOG_MARK, "Setting object class to %s ", object->classname);
3693
3694         osrfHash* _f;
3695         time_t _tmp_dt;
3696         char dt_string[256];
3697         struct tm gmdt;
3698
3699         int fmIndex;
3700         int columnIndex = 1;
3701         int attr;
3702         unsigned short type;
3703         const char* columnName;
3704
3705         /* cycle through the column list */
3706         while( (columnName = dbi_result_get_field_name(result, columnIndex++)) ) {
3707
3708                 osrfLogInternal(OSRF_LOG_MARK, "Looking for column named [%s]...", (char*)columnName);
3709
3710                 fmIndex = -1; // reset the position
3711
3712                 /* determine the field type and storage attributes */
3713                 type = dbi_result_get_field_type(result, columnName);
3714                 attr = dbi_result_get_field_attribs(result, columnName);
3715
3716                 /* fetch the fieldmapper index */
3717                 if( (_f = osrfHashGet(fields, (char*)columnName)) ) {
3718                         char* virt = (char*)osrfHashGet(_f, "virtual");
3719                         char* pos = (char*)osrfHashGet(_f, "array_position");
3720
3721                         if ( !virt || !pos || !(strcmp( virt, "true" )) ) continue;
3722
3723                         fmIndex = atoi( pos );
3724                         osrfLogInternal(OSRF_LOG_MARK, "... Found column at position [%s]...", pos);
3725                 } else {
3726                         continue;
3727                 }
3728
3729                 if (dbi_result_field_is_null(result, columnName)) {
3730                         jsonObjectSetIndex( object, fmIndex, jsonNewObject(NULL) );
3731                 } else {
3732
3733                         switch( type ) {
3734
3735                                 case DBI_TYPE_INTEGER :
3736
3737                                         if( attr & DBI_INTEGER_SIZE8 )
3738                                                 jsonObjectSetIndex( object, fmIndex,
3739                                                         jsonNewNumberObject(dbi_result_get_longlong(result, columnName)));
3740                                         else
3741                                                 jsonObjectSetIndex( object, fmIndex,
3742                                                         jsonNewNumberObject(dbi_result_get_int(result, columnName)));
3743
3744                                         break;
3745
3746                                 case DBI_TYPE_DECIMAL :
3747                                         jsonObjectSetIndex( object, fmIndex,
3748                                                         jsonNewNumberObject(dbi_result_get_double(result, columnName)));
3749                                         break;
3750
3751                                 case DBI_TYPE_STRING :
3752
3753
3754                                         jsonObjectSetIndex(
3755                                                 object,
3756                                                 fmIndex,
3757                                                 jsonNewObject( dbi_result_get_string(result, columnName) )
3758                                         );
3759
3760                                         break;
3761
3762                                 case DBI_TYPE_DATETIME :
3763
3764                                         memset(dt_string, '\0', sizeof(dt_string));
3765                                         memset(&gmdt, '\0', sizeof(gmdt));
3766
3767                                         _tmp_dt = dbi_result_get_datetime(result, columnName);
3768
3769
3770                                         if (!(attr & DBI_DATETIME_DATE)) {
3771                                                 gmtime_r( &_tmp_dt, &gmdt );
3772                                                 strftime(dt_string, sizeof(dt_string), "%T", &gmdt);
3773                                         } else if (!(attr & DBI_DATETIME_TIME)) {
3774                                                 localtime_r( &_tmp_dt, &gmdt );
3775                                                 strftime(dt_string, sizeof(dt_string), "%F", &gmdt);
3776                                         } else {
3777                                                 localtime_r( &_tmp_dt, &gmdt );
3778                                                 strftime(dt_string, sizeof(dt_string), "%FT%T%z", &gmdt);
3779                                         }
3780
3781                                         jsonObjectSetIndex( object, fmIndex, jsonNewObject(dt_string) );
3782
3783                                         break;
3784
3785                                 case DBI_TYPE_BINARY :
3786                                         osrfLogError( OSRF_LOG_MARK,
3787                                                 "Can't do binary at column %s : index %d", columnName, columnIndex - 1);
3788                         }
3789                 }
3790         }
3791
3792         return object;
3793 }
3794
3795 static jsonObject* oilsMakeJSONFromResult( dbi_result result ) {
3796         if(!result) return jsonNULL;
3797
3798         jsonObject* object = jsonNewObject(NULL);
3799
3800         time_t _tmp_dt;
3801         char dt_string[256];
3802         struct tm gmdt;
3803
3804         int fmIndex;
3805         int columnIndex = 1;
3806         int attr;
3807         unsigned short type;
3808         const char* columnName;
3809
3810         /* cycle through the column list */
3811         while( (columnName = dbi_result_get_field_name(result, columnIndex++)) ) {
3812
3813                 osrfLogInternal(OSRF_LOG_MARK, "Looking for column named [%s]...", (char*)columnName);
3814
3815                 fmIndex = -1; // reset the position
3816
3817                 /* determine the field type and storage attributes */
3818                 type = dbi_result_get_field_type(result, columnName);
3819                 attr = dbi_result_get_field_attribs(result, columnName);
3820
3821                 if (dbi_result_field_is_null(result, columnName)) {
3822                         jsonObjectSetKey( object, columnName, jsonNewObject(NULL) );
3823                 } else {
3824
3825                         switch( type ) {
3826
3827                                 case DBI_TYPE_INTEGER :
3828
3829                                         if( attr & DBI_INTEGER_SIZE8 )
3830                                                 jsonObjectSetKey( object, columnName, jsonNewNumberObject(dbi_result_get_longlong(result, columnName)) );
3831                                         else
3832                                                 jsonObjectSetKey( object, columnName, jsonNewNumberObject(dbi_result_get_int(result, columnName)) );
3833                                         break;
3834
3835                                 case DBI_TYPE_DECIMAL :
3836                                         jsonObjectSetKey( object, columnName, jsonNewNumberObject(dbi_result_get_double(result, columnName)) );
3837                                         break;
3838
3839                                 case DBI_TYPE_STRING :
3840                                         jsonObjectSetKey( object, columnName, jsonNewObject(dbi_result_get_string(result, columnName)) );
3841                                         break;
3842
3843                                 case DBI_TYPE_DATETIME :
3844
3845                                         memset(dt_string, '\0', sizeof(dt_string));
3846                                         memset(&gmdt, '\0', sizeof(gmdt));
3847
3848                                         _tmp_dt = dbi_result_get_datetime(result, columnName);
3849
3850
3851                                         if (!(attr & DBI_DATETIME_DATE)) {
3852                                                 gmtime_r( &_tmp_dt, &gmdt );
3853                                                 strftime(dt_string, sizeof(dt_string), "%T", &gmdt);
3854                                         } else if (!(attr & DBI_DATETIME_TIME)) {
3855                                                 localtime_r( &_tmp_dt, &gmdt );
3856                                                 strftime(dt_string, sizeof(dt_string), "%F", &gmdt);
3857                                         } else {
3858                                                 localtime_r( &_tmp_dt, &gmdt );
3859                                                 strftime(dt_string, sizeof(dt_string), "%FT%T%z", &gmdt);
3860                                         }
3861
3862                                         jsonObjectSetKey( object, columnName, jsonNewObject(dt_string) );
3863                                         break;
3864
3865                                 case DBI_TYPE_BINARY :
3866                                         osrfLogError( OSRF_LOG_MARK,
3867                                                 "Can't do binary at column %s : index %d", columnName, columnIndex - 1);
3868                         }
3869                 }
3870         }
3871
3872         return object;
3873 }
3874