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         if(osrfMethodVerifyContext( ctx )) {
 474                 osrfLogError( OSRF_LOG_MARK,  "Invalid method context" );
 475                 return -1;
 476         }
 477
 478 #ifdef PCRUD
 479     jsonObject* user = verifyUserPCRUD( ctx );
 480     if (!user) return -1;
 481     jsonObjectFree(user);
 482 #endif
 483
 484     dbi_result result = dbi_conn_query(writehandle, "START TRANSACTION;");
 485     if (!result) {
 486         osrfLogError(OSRF_LOG_MARK, "%s: Error starting transaction", MODULENAME );
 487         osrfAppSessionStatus( ctx->session, OSRF_STATUS_INTERNALSERVERERROR, "osrfMethodException", ctx->request, "Error starting transaction" );
 488         return -1;
 489     } else {
 490         jsonObject* ret = jsonNewObject(ctx->session->session_id);
 491         osrfAppRespondComplete( ctx, ret );
 492         jsonObjectFree(ret);
 493
 494         if (!ctx->session->userData) {
 495             ctx->session->userData = osrfNewHash();
 496             osrfHashSetCallback((osrfHash*)ctx->session->userData, &sessionDataFree);
 497         }
 498
 499         osrfHashSet( (osrfHash*)ctx->session->userData, strdup( ctx->session->session_id ), "xact_id" );
 500         ctx->session->userDataFree = &userDataFree;
 501
 502     }
 503     return 0;
 504 }
 505
 506 int setSavepoint ( osrfMethodContext* ctx ) {
 507         if(osrfMethodVerifyContext( ctx )) {
 508                 osrfLogError( OSRF_LOG_MARK,  "Invalid method context" );
 509                 return -1;
 510         }
 511
 512     int spNamePos = 0;
 513 #ifdef PCRUD
 514     spNamePos = 1;
 515     jsonObject* user = verifyUserPCRUD( ctx );
 516     if (!user) return -1;
 517     jsonObjectFree(user);
 518 #endif
 519
 520     if (!osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )) {
 521         osrfAppSessionStatus(
 522                 ctx->session,
 523                 OSRF_STATUS_INTERNALSERVERERROR,
 524                 "osrfMethodException",
 525                 ctx->request,
 526                 "No active transaction -- required for savepoints"
 527                 );
 528         return -1;
 529     }
 530
 531     char* spName = jsonObjectToSimpleString(jsonObjectGetIndex(ctx->params, spNamePos));
 532
 533     dbi_result result = dbi_conn_queryf(writehandle, "SAVEPOINT \"%s\";", spName);
 534     if (!result) {
 535         osrfLogError(
 536                 OSRF_LOG_MARK,
 537                 "%s: Error creating savepoint %s in transaction %s",
 538                 MODULENAME,
 539                 spName,
 540                 osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )
 541                 );
 542         osrfAppSessionStatus( ctx->session, OSRF_STATUS_INTERNALSERVERERROR, "osrfMethodException", ctx->request, "Error creating savepoint" );
 543         free(spName);
 544         return -1;
 545     } else {
 546         jsonObject* ret = jsonNewObject(spName);
 547         osrfAppRespondComplete( ctx, ret );
 548         jsonObjectFree(ret);
 549     }
 550     free(spName);
 551     return 0;
 552 }
 553
 554 int releaseSavepoint ( osrfMethodContext* ctx ) {
 555         if(osrfMethodVerifyContext( ctx )) {
 556                 osrfLogError( OSRF_LOG_MARK,  "Invalid method context" );
 557                 return -1;
 558         }
 559
 560         int spNamePos = 0;
 561 #ifdef PCRUD
 562     spNamePos = 1;
 563     jsonObject* user = verifyUserPCRUD( ctx );
 564     if (!user) return -1;
 565     jsonObjectFree(user);
 566 #endif
 567
 568     if (!osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )) {
 569         osrfAppSessionStatus(
 570                 ctx->session,
 571                 OSRF_STATUS_INTERNALSERVERERROR,
 572                 "osrfMethodException",
 573                 ctx->request,
 574                 "No active transaction -- required for savepoints"
 575                 );
 576         return -1;
 577     }
 578
 579     char* spName = jsonObjectToSimpleString(jsonObjectGetIndex(ctx->params, spNamePos));
 580
 581     dbi_result result = dbi_conn_queryf(writehandle, "RELEASE SAVEPOINT \"%s\";", spName);
 582     if (!result) {
 583         osrfLogError(
 584                 OSRF_LOG_MARK,
 585                 "%s: Error releasing savepoint %s in transaction %s",
 586                 MODULENAME,
 587                 spName,
 588                 osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )
 589                 );
 590         osrfAppSessionStatus( ctx->session, OSRF_STATUS_INTERNALSERVERERROR, "osrfMethodException", ctx->request, "Error releasing savepoint" );
 591         free(spName);
 592         return -1;
 593     } else {
 594         jsonObject* ret = jsonNewObject(spName);
 595         osrfAppRespondComplete( ctx, ret );
 596         jsonObjectFree(ret);
 597     }
 598     free(spName);
 599     return 0;
 600 }
 601
 602 int rollbackSavepoint ( osrfMethodContext* ctx ) {
 603         if(osrfMethodVerifyContext( ctx )) {
 604                 osrfLogError( OSRF_LOG_MARK,  "Invalid method context" );
 605                 return -1;
 606         }
 607
 608         int spNamePos = 0;
 609 #ifdef PCRUD
 610     spNamePos = 1;
 611     jsonObject* user = verifyUserPCRUD( ctx );
 612     if (!user) return -1;
 613     jsonObjectFree(user);
 614 #endif
 615
 616     if (!osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )) {
 617         osrfAppSessionStatus(
 618                 ctx->session,
 619                 OSRF_STATUS_INTERNALSERVERERROR,
 620                 "osrfMethodException",
 621                 ctx->request,
 622                 "No active transaction -- required for savepoints"
 623                 );
 624         return -1;
 625     }
 626
 627     char* spName = jsonObjectToSimpleString(jsonObjectGetIndex(ctx->params, spNamePos));
 628
 629     dbi_result result = dbi_conn_queryf(writehandle, "ROLLBACK TO SAVEPOINT \"%s\";", spName);
 630     if (!result) {
 631         osrfLogError(
 632                 OSRF_LOG_MARK,
 633                 "%s: Error rolling back savepoint %s in transaction %s",
 634                 MODULENAME,
 635                 spName,
 636                 osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )
 637                 );
 638         osrfAppSessionStatus( ctx->session, OSRF_STATUS_INTERNALSERVERERROR, "osrfMethodException", ctx->request, "Error rolling back savepoint" );
 639         free(spName);
 640         return -1;
 641     } else {
 642         jsonObject* ret = jsonNewObject(spName);
 643         osrfAppRespondComplete( ctx, ret );
 644         jsonObjectFree(ret);
 645     }
 646     free(spName);
 647     return 0;
 648 }
 649
 650 int commitTransaction ( osrfMethodContext* ctx ) {
 651         if(osrfMethodVerifyContext( ctx )) {
 652                 osrfLogError( OSRF_LOG_MARK,  "Invalid method context" );
 653                 return -1;
 654         }
 655
 656 #ifdef PCRUD
 657     jsonObject* user = verifyUserPCRUD( ctx );
 658     if (!user) return -1;
 659     jsonObjectFree(user);
 660 #endif
 661
 662     if (!osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )) {
 663         osrfAppSessionStatus( ctx->session, OSRF_STATUS_INTERNALSERVERERROR, "osrfMethodException", ctx->request, "No active transaction to commit" );
 664         return -1;
 665     }
 666
 667     dbi_result result = dbi_conn_query(writehandle, "COMMIT;");
 668     if (!result) {
 669         osrfLogError(OSRF_LOG_MARK, "%s: Error committing transaction", MODULENAME );
 670         osrfAppSessionStatus( ctx->session, OSRF_STATUS_INTERNALSERVERERROR, "osrfMethodException", ctx->request, "Error committing transaction" );
 671         return -1;
 672     } else {
 673         osrfHashRemove(ctx->session->userData, "xact_id");
 674         jsonObject* ret = jsonNewObject(ctx->session->session_id);
 675         osrfAppRespondComplete( ctx, ret );
 676         jsonObjectFree(ret);
 677     }
 678     return 0;
 679 }
 680
 681 int rollbackTransaction ( osrfMethodContext* ctx ) {
 682         if(osrfMethodVerifyContext( ctx )) {
 683                 osrfLogError( OSRF_LOG_MARK,  "Invalid method context" );
 684                 return -1;
 685         }
 686
 687 #ifdef PCRUD
 688     jsonObject* user = verifyUserPCRUD( ctx );
 689     if (!user) return -1;
 690     jsonObjectFree(user);
 691 #endif
 692
 693     if (!osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )) {
 694         osrfAppSessionStatus( ctx->session, OSRF_STATUS_INTERNALSERVERERROR, "osrfMethodException", ctx->request, "No active transaction to roll back" );
 695         return -1;
 696     }
 697
 698     dbi_result result = dbi_conn_query(writehandle, "ROLLBACK;");
 699     if (!result) {
 700         osrfLogError(OSRF_LOG_MARK, "%s: Error rolling back transaction", MODULENAME );
 701         osrfAppSessionStatus( ctx->session, OSRF_STATUS_INTERNALSERVERERROR, "osrfMethodException", ctx->request, "Error rolling back transaction" );
 702         return -1;
 703     } else {
 704         osrfHashRemove(ctx->session->userData, "xact_id");
 705         jsonObject* ret = jsonNewObject(ctx->session->session_id);
 706         osrfAppRespondComplete( ctx, ret );
 707         jsonObjectFree(ret);
 708     }
 709     return 0;
 710 }
 711
 712 int dispatchCRUDMethod ( osrfMethodContext* ctx ) {
 713         if(osrfMethodVerifyContext( ctx )) {
 714                 osrfLogError( OSRF_LOG_MARK,  "Invalid method context" );
 715                 return -1;
 716         }
 717
 718         osrfHash* meta = (osrfHash*) ctx->method->userData;
 719     osrfHash* class_obj = osrfHashGet( meta, "class" );
 720
 721     int err = 0;
 722
 723     const char* methodtype = osrfHashGet(meta, "methodtype");
 724     jsonObject * obj = NULL;
 725
 726     if (!strcmp(methodtype, "create")) {
 727         obj = doCreate(ctx, &err);
 728         osrfAppRespondComplete( ctx, obj );
 729     }
 730     else if (!strcmp(methodtype, "retrieve")) {
 731         obj = doRetrieve(ctx, &err);
 732         osrfAppRespondComplete( ctx, obj );
 733     }
 734     else if (!strcmp(methodtype, "update")) {
 735         obj = doUpdate(ctx, &err);
 736         osrfAppRespondComplete( ctx, obj );
 737     }
 738     else if (!strcmp(methodtype, "delete")) {
 739         obj = doDelete(ctx, &err);
 740         osrfAppRespondComplete( ctx, obj );
 741     }
 742     else if (!strcmp(methodtype, "search")) {
 743
 744         jsonObject* _p = jsonObjectClone( ctx->params );
 745 #ifdef PCRUD
 746         jsonObjectFree(_p);
 747         _p = jsonParseString("[]");
 748         jsonObjectPush(_p, jsonObjectClone(jsonObjectGetIndex(ctx->params, 1)));
 749         jsonObjectPush(_p, jsonObjectClone(jsonObjectGetIndex(ctx->params, 2)));
 750 #endif
 751
 752         obj = doFieldmapperSearch(ctx, class_obj, _p, &err);
 753
 754         jsonObjectFree(_p);
 755         if(err) return err;
 756
 757         jsonObject* cur;
 758         jsonIterator* itr = jsonNewIterator( obj );
 759         while ((cur = jsonIteratorNext( itr ))) {
 760 #ifdef PCRUD
 761             if(!verifyObjectPCRUD(ctx, cur)) continue;
 762 #endif
 763             osrfAppRespond( ctx, cur );
 764         }
 765         jsonIteratorFree(itr);
 766         osrfAppRespondComplete( ctx, NULL );
 767
 768     } else if (!strcmp(methodtype, "id_list")) {
 769
 770         jsonObject* _p = jsonObjectClone( ctx->params );
 771 #ifdef PCRUD
 772         jsonObjectFree(_p);
 773         _p = jsonParseString("[]");
 774         jsonObjectPush(_p, jsonObjectClone(jsonObjectGetIndex(ctx->params, 1)));
 775         jsonObjectPush(_p, jsonObjectClone(jsonObjectGetIndex(ctx->params, 2)));
 776 #endif
 777
 778         if (jsonObjectGetIndex( _p, 1 )) {
 779             jsonObjectRemoveKey( jsonObjectGetIndex( _p, 1 ), "select" );
 780             jsonObjectRemoveKey( jsonObjectGetIndex( _p, 1 ), "no_i18n" );
 781             jsonObjectRemoveKey( jsonObjectGetIndex( _p, 1 ), "flesh" );
 782             jsonObjectRemoveKey( jsonObjectGetIndex( _p, 1 ), "flesh_columns" );
 783         } else {
 784             jsonObjectSetIndex( _p, 1, jsonNewObjectType(JSON_HASH) );
 785         }
 786
 787         jsonObjectSetKey( jsonObjectGetIndex( _p, 1 ), "no_i18n", jsonParseString("true") );
 788
 789         jsonObjectSetKey(
 790             jsonObjectGetIndex( _p, 1 ),
 791             "select",
 792             jsonParseStringFmt(
 793                 "{ \"%s\":[\"%s\"] }",
 794                 osrfHashGet( class_obj, "classname" ),
 795                 osrfHashGet( class_obj, "primarykey" )
 796             )
 797         );
 798
 799         obj = doFieldmapperSearch(ctx, class_obj, _p, &err);
 800
 801         jsonObjectFree(_p);
 802         if(err) return err;
 803
 804         jsonObject* cur;
 805         jsonIterator* itr = jsonNewIterator( obj );
 806         while ((cur = jsonIteratorNext( itr ))) {
 807 #ifdef PCRUD
 808             if(!verifyObjectPCRUD(ctx, cur)) continue;
 809 #endif
 810             osrfAppRespond(
 811                     ctx,
 812                     oilsFMGetObject( cur, osrfHashGet( class_obj, "primarykey" ) )
 813                     );
 814         }
 815         jsonIteratorFree(itr);
 816         osrfAppRespondComplete( ctx, NULL );
 817
 818     } else {
 819         osrfAppRespondComplete( ctx, obj );
 820     }
 821
 822     jsonObjectFree(obj);
 823
 824     return err;
 825 }
 826
 827 static int verifyObjectClass ( osrfMethodContext* ctx, const jsonObject* param ) {
 828
 829     int ret = 1;
 830     osrfHash* meta = (osrfHash*) ctx->method->userData;
 831     osrfHash* class = osrfHashGet( meta, "class" );
 832
 833     if (!param->classname || (strcmp( osrfHashGet(class, "classname"), param->classname ))) {
 834
 835         growing_buffer* msg = buffer_init(128);
 836         buffer_fadd(
 837                 msg,
 838                 "%s: %s method for type %s was passed a %s",
 839                 MODULENAME,
 840                 osrfHashGet(meta, "methodtype"),
 841                 osrfHashGet(class, "classname"),
 842                 param->classname
 843                 );
 844
 845         char* m = buffer_release(msg);
 846         osrfAppSessionStatus( ctx->session, OSRF_STATUS_BADREQUEST, "osrfMethodException", ctx->request, m );
 847
 848         free(m);
 849
 850         return 0;
 851     }
 852
 853 #ifdef PCRUD
 854     ret = verifyObjectPCRUD( ctx, param );
 855 #endif
 856
 857     return ret;
 858 }
 859
 860 #ifdef PCRUD
 861
 862 static jsonObject* verifyUserPCRUD( osrfMethodContext* ctx ) {
 863     char* auth = jsonObjectToSimpleString( jsonObjectGetIndex( ctx->params, 0 ) );
 864     jsonObject* auth_object = jsonNewObject(auth);
 865     jsonObject* user = oilsUtilsQuickReq("open-ils.auth","open-ils.auth.session.retrieve", auth_object);
 866     jsonObjectFree(auth_object);
 867
 868     if (!user->classname || strcmp(user->classname, "au")) {
 869
 870         growing_buffer* msg = buffer_init(128);
 871         buffer_fadd(
 872             msg,
 873             "%s: permacrud received a bad auth token: %s",
 874             MODULENAME,
 875             auth
 876         );
 877
 878         char* m = buffer_release(msg);
 879         osrfAppSessionStatus( ctx->session, OSRF_STATUS_UNAUTHORIZED, "osrfMethodException", ctx->request, m );
 880
 881         free(m);
 882         jsonObjectFree(user);
 883         user = jsonNULL;
 884     }
 885
 886     free(auth);
 887     return user;
 888
 889 }
 890
 891 static int verifyObjectPCRUD (  osrfMethodContext* ctx, const jsonObject* obj ) {
 892
 893     dbhandle = writehandle;
 894
 895     osrfHash* meta = (osrfHash*) ctx->method->userData;
 896     osrfHash* class = osrfHashGet( meta, "class" );
 897     char* method_type = strdup( osrfHashGet(meta, "methodtype") );
 898     int fetch = 0;
 899
 900     if ( ( *method_type == 's' || *method_type == 'i' ) ) {
 901         free(method_type);
 902         method_type = strdup("retrieve"); // search and id_list are equivelant to retrieve for this
 903     } else if ( *method_type == 'u' || *method_type == 'd' ) {
 904         fetch = 1; // MUST go to the db for the object for update and delete
 905     }
 906
 907     osrfHash* pcrud = osrfHashGet( osrfHashGet(class, "permacrud"), method_type );
 908     free(method_type);
 909
 910     if (!pcrud) {
 911         // No permacrud for this method type on this class
 912
 913         growing_buffer* msg = buffer_init(128);
 914         buffer_fadd(
 915             msg,
 916             "%s: %s on class %s has no permacrud IDL entry",
 917             MODULENAME,
 918             osrfHashGet(meta, "methodtype"),
 919             osrfHashGet(class, "classname")
 920         );
 921
 922         char* m = buffer_release(msg);
 923         osrfAppSessionStatus( ctx->session, OSRF_STATUS_FORBIDDEN, "osrfMethodException", ctx->request, m );
 924
 925         free(m);
 926
 927         return 0;
 928     }
 929
 930     jsonObject* user = verifyUserPCRUD( ctx );
 931     if (!user) return 0;
 932
 933     int userid = atoi( oilsFMGetString( user, "id" ) );
 934     jsonObjectFree(user);
 935
 936     osrfStringArray* permission = osrfHashGet(pcrud, "permission");
 937     char* global_required = osrfHashGet(pcrud, "global_required");
 938     osrfStringArray* local_context = osrfHashGet(pcrud, "local_context");
 939     osrfHash* foreign_context = osrfHashGet(pcrud, "foreign_context");
 940
 941     osrfStringArray* context_org_array = osrfNewStringArray(1);
 942
 943     int err = 0;
 944     char* pkey_value = NULL;
 945     if (global_required && !strcmp( "true", global_required )) {
 946             osrfLogDebug( OSRF_LOG_MARK, "global-level permissions required, fetching top of the org tree" );
 947
 948         // check for perm at top of org tree
 949         jsonObject* _tmp_params = jsonParseString("[{\"parent_ou\":null}]");
 950                 jsonObject* _list = doFieldmapperSearch(ctx, osrfHashGet( oilsIDL(), "aou" ), _tmp_params, &err);
 951
 952         jsonObject* _tree_top = jsonObjectGetIndex(_list, 0);
 953
 954         if (!_tree_top) {
 955             jsonObjectFree(_tmp_params);
 956             jsonObjectFree(_list);
 957
 958             growing_buffer* msg = buffer_init(128);
 959                         OSRF_BUFFER_ADD( msg, MODULENAME );
 960                         OSRF_BUFFER_ADD( msg,
 961                                 ": Internal error, could not find the top of the org tree (parent_ou = NULL)" );
 962
 963             char* m = buffer_release(msg);
 964             osrfAppSessionStatus( ctx->session, OSRF_STATUS_INTERNALSERVERERROR, "osrfMethodException", ctx->request, m );
 965             free(m);
 966
 967             return 0;
 968         }
 969
 970         osrfStringArrayAdd( context_org_array, oilsFMGetString( _tree_top, "id" ) );
 971             osrfLogDebug( OSRF_LOG_MARK, "top of the org tree is %s", osrfStringArrayGetString(context_org_array, 0) );
 972
 973         jsonObjectFree(_tmp_params);
 974         jsonObjectFree(_list);
 975
 976     } else {
 977             osrfLogDebug( OSRF_LOG_MARK, "global-level permissions not required, fetching context org ids" );
 978             char* pkey = osrfHashGet(class, "primarykey");
 979         jsonObject *param = NULL;
 980
 981         if (obj->classname) {
 982             pkey_value = oilsFMGetString( obj, pkey );
 983             if (!fetch) param = jsonObjectClone(obj);
 984                 osrfLogDebug( OSRF_LOG_MARK, "Object supplied, using primary key value of %s", pkey_value );
 985         } else {
 986             pkey_value = jsonObjectToSimpleString( obj );
 987             fetch = 1;
 988                 osrfLogDebug( OSRF_LOG_MARK, "Object not supplied, using primary key value of %s and retrieving from the database", pkey_value );
 989         }
 990
 991         if (fetch) {
 992             jsonObject* _tmp_params = jsonParseStringFmt("[{\"%s\":\"%s\"}]", pkey, pkey_value);
 993                 jsonObject* _list = doFieldmapperSearch(
 994                 ctx,
 995                 class,
 996                 _tmp_params,
 997                 &err
 998             );
 999
1000             param = jsonObjectClone(jsonObjectGetIndex(_list, 0));
1001
1002             jsonObjectFree(_tmp_params);
1003             jsonObjectFree(_list);
1004         }
1005
1006         if (!param) {
1007             osrfLogDebug( OSRF_LOG_MARK, "Object not found in the database with primary key %s of %s", pkey, pkey_value );
1008
1009             growing_buffer* msg = buffer_init(128);
1010             buffer_fadd(
1011                 msg,
1012                 "%s: no object found with primary key %s of %s",
1013                 MODULENAME,
1014                 pkey,
1015                 pkey_value
1016             );
1017
1018             char* m = buffer_release(msg);
1019             osrfAppSessionStatus(
1020                 ctx->session,
1021                 OSRF_STATUS_INTERNALSERVERERROR,
1022                 "osrfMethodException",
1023                 ctx->request,
1024                 m
1025             );
1026
1027             free(m);
1028             if (pkey_value) free(pkey_value);
1029
1030             return 0;
1031         }
1032
1033         if (local_context->size > 0) {
1034                 osrfLogDebug( OSRF_LOG_MARK, "%d class-local context field(s) specified", local_context->size);
1035             int i = 0;
1036             char* lcontext = NULL;
1037             while ( (lcontext = osrfStringArrayGetString(local_context, i++)) ) {
1038                 osrfStringArrayAdd( context_org_array, oilsFMGetString( param, lcontext ) );
1039                     osrfLogDebug(
1040                     OSRF_LOG_MARK,
1041                     "adding class-local field %s (value: %s) to the context org list",
1042                     lcontext,
1043                     osrfStringArrayGetString(context_org_array, context_org_array->size - 1)
1044                 );
1045             }
1046         }
1047
1048         osrfStringArray* class_list;
1049
1050         if (foreign_context) {
1051             class_list = osrfHashKeys( foreign_context );
1052                 osrfLogDebug( OSRF_LOG_MARK, "%d foreign context classes(s) specified", class_list->size);
1053
1054             if (class_list->size > 0) {
1055
1056                 int i = 0;
1057                 char* class_name = NULL;
1058                 while ( (class_name = osrfStringArrayGetString(class_list, i++)) ) {
1059                     osrfHash* fcontext = osrfHashGet(foreign_context, class_name);
1060
1061                         osrfLogDebug(
1062                         OSRF_LOG_MARK,
1063                         "%d foreign context fields(s) specified for class %s",
1064                         ((osrfStringArray*)osrfHashGet(fcontext,"context"))->size,
1065                         class_name
1066                     );
1067
1068                     char* foreign_pkey = osrfHashGet(fcontext, "field");
1069                     char* foreign_pkey_value = oilsFMGetString(param, osrfHashGet(fcontext, "fkey"));
1070
1071                     jsonObject* _tmp_params = jsonParseStringFmt(
1072                         "[{\"%s\":\"%s\"}]",
1073                         foreign_pkey,
1074                         foreign_pkey_value
1075                     );
1076
1077                         jsonObject* _list = doFieldmapperSearch(
1078                         ctx,
1079                         osrfHashGet( oilsIDL(), class_name ),
1080                         _tmp_params,
1081                         &err
1082                     );
1083
1084                     jsonObject* _fparam = jsonObjectClone(jsonObjectGetIndex(_list, 0));
1085                     jsonObjectFree(_tmp_params);
1086                     jsonObjectFree(_list);
1087
1088                     osrfStringArray* jump_list = osrfHashGet(fcontext, "jump");
1089
1090                     if (_fparam && jump_list) {
1091                         char* flink = NULL;
1092                         int k = 0;
1093                         while ( (flink = osrfStringArrayGetString(jump_list, k++)) && _fparam ) {
1094                             free(foreign_pkey_value);
1095
1096                             osrfHash* foreign_link_hash = oilsIDLFindPath( "/%s/links/%s", _fparam->classname, flink );
1097
1098                             foreign_pkey_value = oilsFMGetString(_fparam, flink);
1099                             foreign_pkey = osrfHashGet( foreign_link_hash, "key" );
1100
1101                             _tmp_params = jsonParseStringFmt(
1102                                 "[{\"%s\":\"%s\"}]",
1103                                 foreign_pkey,
1104                                 foreign_pkey_value
1105                             );
1106
1107                                 _list = doFieldmapperSearch(
1108                                 ctx,
1109                                 osrfHashGet( oilsIDL(), osrfHashGet( foreign_link_hash, "class" ) ),
1110                                 _tmp_params,
1111                                 &err
1112                             );
1113
1114                             _fparam = jsonObjectClone(jsonObjectGetIndex(_list, 0));
1115                             jsonObjectFree(_tmp_params);
1116                             jsonObjectFree(_list);
1117                         }
1118                     }
1119
1120
1121                     if (!_fparam) {
1122
1123                         growing_buffer* msg = buffer_init(128);
1124                         buffer_fadd(
1125                             msg,
1126                             "%s: no object found with primary key %s of %s",
1127                             MODULENAME,
1128                             foreign_pkey,
1129                             foreign_pkey_value
1130                         );
1131
1132                         char* m = buffer_release(msg);
1133                         osrfAppSessionStatus(
1134                             ctx->session,
1135                             OSRF_STATUS_INTERNALSERVERERROR,
1136                             "osrfMethodException",
1137                             ctx->request,
1138                             m
1139                         );
1140
1141                         free(m);
1142                         osrfStringArrayFree(class_list);
1143                         free(foreign_pkey_value);
1144                         jsonObjectFree(param);
1145
1146                         return 0;
1147                     }
1148
1149                     free(foreign_pkey_value);
1150
1151                     int j = 0;
1152                     char* foreign_field = NULL;
1153                     while ( (foreign_field = osrfStringArrayGetString(osrfHashGet(fcontext,"context"), j++)) ) {
1154                         osrfStringArrayAdd( context_org_array, oilsFMGetString( _fparam, foreign_field ) );
1155                             osrfLogDebug(
1156                             OSRF_LOG_MARK,
1157                             "adding foreign class %s field %s (value: %s) to the context org list",
1158                             class_name,
1159                             foreign_field,
1160                             osrfStringArrayGetString(context_org_array, context_org_array->size - 1)
1161                         );
1162                     }
1163
1164                     jsonObjectFree(_fparam);
1165                 }
1166
1167                 osrfStringArrayFree(class_list);
1168             }
1169         }
1170
1171         jsonObjectFree(param);
1172     }
1173
1174     char* context_org = NULL;
1175     char* perm = NULL;
1176     int OK = 0;
1177
1178     if (permission->size == 0) {
1179             osrfLogDebug( OSRF_LOG_MARK, "No permission specified for this action, passing through" );
1180         OK = 1;
1181     }
1182
1183     int i = 0;
1184     while ( (perm = osrfStringArrayGetString(permission, i++)) ) {
1185         int j = 0;
1186         while ( (context_org = osrfStringArrayGetString(context_org_array, j++)) ) {
1187             dbi_result result;
1188
1189             if (pkey_value) {
1190                     osrfLogDebug(
1191                     OSRF_LOG_MARK,
1192                     "Checking object permission [%s] for user %d on object %s (class %s) at org %d",
1193                     perm,
1194                     userid,
1195                     pkey_value,
1196                     osrfHashGet(class, "classname"),
1197                     atoi(context_org)
1198                 );
1199
1200                 result = dbi_conn_queryf(
1201                     writehandle,
1202                     "SELECT permission.usr_has_object_perm(%d, '%s', '%s', '%s', %d) AS has_perm;",
1203                     userid,
1204                     perm,
1205                     osrfHashGet(class, "classname"),
1206                     pkey_value,
1207                     atoi(context_org)
1208                 );
1209
1210                 if (result) {
1211                     osrfLogDebug(
1212                         OSRF_LOG_MARK,
1213                         "Recieved a result for object permission [%s] for user %d on object %s (class %s) at org %d",
1214                         perm,
1215                         userid,
1216                         pkey_value,
1217                         osrfHashGet(class, "classname"),
1218                         atoi(context_org)
1219                     );
1220
1221                     if (dbi_result_first_row(result)) {
1222                         jsonObject* return_val = oilsMakeJSONFromResult( result );
1223                         char* has_perm = jsonObjectToSimpleString( jsonObjectGetKeyConst(return_val, "has_perm") );
1224
1225                             osrfLogDebug(
1226                             OSRF_LOG_MARK,
1227                             "Status of object permission [%s] for user %d on object %s (class %s) at org %d is %s",
1228                             perm,
1229                             userid,
1230                             pkey_value,
1231                             osrfHashGet(class, "classname"),
1232                             atoi(context_org),
1233                             has_perm
1234                         );
1235
1236                         if ( *has_perm == 't' ) OK = 1;
1237                         free(has_perm);
1238                         jsonObjectFree(return_val);
1239                     }
1240
1241                     dbi_result_free(result);
1242                     if (OK) break;
1243                 }
1244             }
1245
1246                 osrfLogDebug( OSRF_LOG_MARK, "Checking non-object permission [%s] for user %d at org %d", perm, userid, atoi(context_org) );
1247             result = dbi_conn_queryf(
1248                 writehandle,
1249                 "SELECT permission.usr_has_perm(%d, '%s', %d) AS has_perm;",
1250                 userid,
1251                 perm,
1252                 atoi(context_org)
1253             );
1254
1255             if (result) {
1256                     osrfLogDebug( OSRF_LOG_MARK, "Recieved a result for permission [%s] for user %d at org %d", perm, userid, atoi(context_org) );
1257                 if (dbi_result_first_row(result)) {
1258                     jsonObject* return_val = oilsMakeJSONFromResult( result );
1259                     char* has_perm = jsonObjectToSimpleString( jsonObjectGetKeyConst(return_val, "has_perm") );
1260                         osrfLogDebug( OSRF_LOG_MARK, "Status of permission [%s] for user %d at org %d is [%s]", perm, userid, atoi(context_org), has_perm );
1261                     if ( *has_perm == 't' ) OK = 1;
1262                     free(has_perm);
1263                     jsonObjectFree(return_val);
1264                 }
1265
1266                 dbi_result_free(result);
1267                 if (OK) break;
1268             }
1269
1270         }
1271         if (OK) break;
1272     }
1273
1274     if (pkey_value) free(pkey_value);
1275     osrfStringArrayFree(context_org_array);
1276
1277     return OK;
1278 }
1279 #endif
1280
1281
1282 static jsonObject* doCreate(osrfMethodContext* ctx, int* err ) {
1283
1284         osrfHash* meta = osrfHashGet( (osrfHash*) ctx->method->userData, "class" );
1285 #ifdef PCRUD
1286         jsonObject* target = jsonObjectGetIndex( ctx->params, 1 );
1287         jsonObject* options = jsonObjectGetIndex( ctx->params, 2 );
1288 #else
1289         jsonObject* target = jsonObjectGetIndex( ctx->params, 0 );
1290         jsonObject* options = jsonObjectGetIndex( ctx->params, 1 );
1291 #endif
1292
1293         if (!verifyObjectClass(ctx, target)) {
1294                 *err = -1;
1295                 return jsonNULL;
1296         }
1297
1298         osrfLogDebug( OSRF_LOG_MARK, "Object seems to be of the correct type" );
1299
1300         if (!ctx->session || !ctx->session->userData || !osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )) {
1301                 osrfLogError( OSRF_LOG_MARK, "No active transaction -- required for CREATE" );
1302
1303                 osrfAppSessionStatus(
1304                         ctx->session,
1305                         OSRF_STATUS_BADREQUEST,
1306                         "osrfMethodException",
1307                         ctx->request,
1308                         "No active transaction -- required for CREATE"
1309                 );
1310                 *err = -1;
1311                 return jsonNULL;
1312         }
1313
1314         if (osrfHashGet( meta, "readonly" ) && strncasecmp("true", osrfHashGet( meta, "readonly" ), 4)) {
1315                 osrfAppSessionStatus(
1316                         ctx->session,
1317                         OSRF_STATUS_BADREQUEST,
1318                         "osrfMethodException",
1319                         ctx->request,
1320                         "Cannot INSERT readonly class"
1321                 );
1322                 *err = -1;
1323                 return jsonNULL;
1324         }
1325
1326
1327         char* trans_id = osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" );
1328
1329         // Set the last_xact_id
1330         int index = oilsIDL_ntop( target->classname, "last_xact_id" );
1331         if (index > -1) {
1332                 osrfLogDebug(OSRF_LOG_MARK, "Setting last_xact_id to %s on %s at position %d", trans_id, target->classname, index);
1333                 jsonObjectSetIndex(target, index, jsonNewObject(trans_id));
1334         }
1335
1336         osrfLogDebug( OSRF_LOG_MARK, "There is a transaction running..." );
1337
1338         dbhandle = writehandle;
1339
1340         osrfHash* fields = osrfHashGet(meta, "fields");
1341         char* pkey = osrfHashGet(meta, "primarykey");
1342         char* seq = osrfHashGet(meta, "sequence");
1343
1344         growing_buffer* table_buf = buffer_init(128);
1345         growing_buffer* col_buf = buffer_init(128);
1346         growing_buffer* val_buf = buffer_init(128);
1347
1348         OSRF_BUFFER_ADD(table_buf, "INSERT INTO ");
1349         OSRF_BUFFER_ADD(table_buf, osrfHashGet(meta, "tablename"));
1350         OSRF_BUFFER_ADD_CHAR( col_buf, '(' );
1351         buffer_add(val_buf,"VALUES (");
1352
1353
1354         int i = 0;
1355         int first = 1;
1356         char* field_name;
1357         osrfStringArray* field_list = osrfHashKeys( fields );
1358         while ( (field_name = osrfStringArrayGetString(field_list, i++)) ) {
1359
1360                 osrfHash* field = osrfHashGet( fields, field_name );
1361
1362                 if(!( strcmp( osrfHashGet(osrfHashGet(fields,field_name), "virtual"), "true" ) )) continue;
1363
1364                 const jsonObject* field_object = oilsFMGetObject( target, field_name );
1365
1366                 char* value;
1367                 if (field_object && field_object->classname) {
1368                         value = oilsFMGetString(
1369                                 field_object,
1370                                 (char*)oilsIDLFindPath("/%s/primarykey", field_object->classname)
1371                         );
1372                 } else {
1373                         value = jsonObjectToSimpleString( field_object );
1374                 }
1375
1376
1377                 if (first) {
1378                         first = 0;
1379                 } else {
1380                         OSRF_BUFFER_ADD_CHAR( col_buf, ',' );
1381                         OSRF_BUFFER_ADD_CHAR( val_buf, ',' );
1382                 }
1383
1384                 buffer_add(col_buf, field_name);
1385
1386                 if (!field_object || field_object->type == JSON_NULL) {
1387                         buffer_add( val_buf, "DEFAULT" );
1388
1389                 } else if ( !strcmp(osrfHashGet(field, "primitive"), "number") ) {
1390                         if ( !strcmp(osrfHashGet(field, "datatype"), "INT8") ) {
1391                                 buffer_fadd( val_buf, "%lld", atoll(value) );
1392
1393                         } else if ( !strcmp(osrfHashGet(field, "datatype"), "INT") ) {
1394                                 buffer_fadd( val_buf, "%d", atoi(value) );
1395
1396                         } else if ( !strcmp(osrfHashGet(field, "datatype"), "NUMERIC") ) {
1397                                 buffer_fadd( val_buf, "%f", atof(value) );
1398                         }
1399                 } else {
1400                         if ( dbi_conn_quote_string(writehandle, &value) ) {
1401                                 OSRF_BUFFER_ADD( val_buf, value );
1402
1403                         } else {
1404                                 osrfLogError(OSRF_LOG_MARK, "%s: Error quoting string [%s]", MODULENAME, value);
1405                                 osrfAppSessionStatus(
1406                                         ctx->session,
1407                                         OSRF_STATUS_INTERNALSERVERERROR,
1408                                         "osrfMethodException",
1409                                         ctx->request,
1410                                         "Error quoting string -- please see the error log for more details"
1411                                 );
1412                                 free(value);
1413                                 buffer_free(table_buf);
1414                                 buffer_free(col_buf);
1415                                 buffer_free(val_buf);
1416                                 *err = -1;
1417                                 return jsonNULL;
1418                         }
1419                 }
1420
1421                 free(value);
1422
1423         }
1424
1425
1426         OSRF_BUFFER_ADD_CHAR( col_buf, ')' );
1427         OSRF_BUFFER_ADD_CHAR( val_buf, ')' );
1428
1429         char* table_str = buffer_release(table_buf);
1430         char* col_str   = buffer_release(col_buf);
1431         char* val_str   = buffer_release(val_buf);
1432         growing_buffer* sql = buffer_init(128);
1433         buffer_fadd( sql, "%s %s %s;", table_str, col_str, val_str );
1434         free(table_str);
1435         free(col_str);
1436         free(val_str);
1437
1438         char* query = buffer_release(sql);
1439
1440         osrfLogDebug(OSRF_LOG_MARK, "%s: Insert SQL [%s]", MODULENAME, query);
1441
1442
1443         dbi_result result = dbi_conn_query(writehandle, query);
1444
1445         jsonObject* obj = NULL;
1446
1447         if (!result) {
1448                 obj = jsonNewObject(NULL);
1449                 osrfLogError(
1450                         OSRF_LOG_MARK,
1451                         "%s ERROR inserting %s object using query [%s]",
1452                         MODULENAME,
1453                         osrfHashGet(meta, "fieldmapper"),
1454                         query
1455                 );
1456                 osrfAppSessionStatus(
1457                         ctx->session,
1458                         OSRF_STATUS_INTERNALSERVERERROR,
1459                         "osrfMethodException",
1460                         ctx->request,
1461                         "INSERT error -- please see the error log for more details"
1462                 );
1463                 *err = -1;
1464         } else {
1465
1466                 char* id = oilsFMGetString(target, pkey);
1467                 if (!id) {
1468                         unsigned long long new_id = dbi_conn_sequence_last(writehandle, seq);
1469                         growing_buffer* _id = buffer_init(10);
1470                         buffer_fadd(_id, "%lld", new_id);
1471                         id = buffer_release(_id);
1472                 }
1473
1474                 // Find quietness specification, if present
1475                 char* quiet_str = NULL;
1476                 if ( options ) {
1477                         const jsonObject* quiet_obj = jsonObjectGetKeyConst( options, "quiet" );
1478                         if( quiet_obj )
1479                                 quiet_str = jsonObjectToSimpleString( quiet_obj );
1480                 }
1481
1482                 if( quiet_str && !strcmp( quiet_str, "true" )) {  // if quietness is specified
1483                         obj = jsonNewObject(id);
1484                 }
1485                 else {
1486
1487                         jsonObject* fake_params = jsonNewObjectType(JSON_ARRAY);
1488                         jsonObjectPush(fake_params, jsonNewObjectType(JSON_HASH));
1489
1490                         jsonObjectSetKey(
1491                                 jsonObjectGetIndex(fake_params, 0),
1492                                 pkey,
1493                                 jsonNewObject(id)
1494                         );
1495
1496                         jsonObject* list = doFieldmapperSearch( ctx,meta, fake_params, err);
1497
1498                         if(*err) {
1499                                 jsonObjectFree( fake_params );
1500                                 obj = jsonNULL;
1501                         } else {
1502                                 obj = jsonObjectClone( jsonObjectGetIndex(list, 0) );
1503                         }
1504
1505                         jsonObjectFree( list );
1506                         jsonObjectFree( fake_params );
1507                 }
1508
1509                 if(quiet_str) free(quiet_str);
1510                 free(id);
1511         }
1512
1513         free(query);
1514
1515         return obj;
1516
1517 }
1518
1519
1520 static jsonObject* doRetrieve(osrfMethodContext* ctx, int* err ) {
1521
1522     int id_pos = 0;
1523     int order_pos = 1;
1524
1525 #ifdef PCRUD
1526     id_pos = 1;
1527     order_pos = 2;
1528 #endif
1529
1530         osrfHash* meta = osrfHashGet( (osrfHash*) ctx->method->userData, "class" );
1531
1532         char* id = jsonObjectToSimpleString(jsonObjectGetIndex(ctx->params, id_pos));
1533         jsonObject* order_hash = jsonObjectGetIndex(ctx->params, order_pos);
1534
1535         osrfLogDebug(
1536                 OSRF_LOG_MARK,
1537                 "%s retrieving %s object with primary key value of %s",
1538                 MODULENAME,
1539                 osrfHashGet(meta, "fieldmapper"),
1540                 id
1541         );
1542         free(id);
1543
1544         jsonObject* fake_params = jsonNewObjectType(JSON_ARRAY);
1545         jsonObjectPush(fake_params, jsonNewObjectType(JSON_HASH));
1546
1547         jsonObjectSetKey(
1548                 jsonObjectGetIndex(fake_params, 0),
1549                 osrfHashGet(meta, "primarykey"),
1550                 jsonObjectClone(jsonObjectGetIndex(ctx->params, id_pos))
1551         );
1552
1553
1554         if (order_hash) jsonObjectPush(fake_params, jsonObjectClone(order_hash) );
1555
1556         jsonObject* list = doFieldmapperSearch( ctx,meta, fake_params, err);
1557
1558         if(*err) {
1559                 jsonObjectFree( fake_params );
1560                 return jsonNULL;
1561         }
1562
1563         jsonObject* obj = jsonObjectClone( jsonObjectGetIndex(list, 0) );
1564
1565         jsonObjectFree( list );
1566         jsonObjectFree( fake_params );
1567
1568 #ifdef PCRUD
1569         if(!verifyObjectPCRUD(ctx, obj)) {
1570         jsonObjectFree(obj);
1571         *err = -1;
1572
1573         growing_buffer* msg = buffer_init(128);
1574                 OSRF_BUFFER_ADD( msg, MODULENAME );
1575                 OSRF_BUFFER_ADD( msg, ": Insufficient permissions to retrieve object" );
1576
1577         char* m = buffer_release(msg);
1578         osrfAppSessionStatus( ctx->session, OSRF_STATUS_NOTALLOWED, "osrfMethodException", ctx->request, m );
1579
1580         free(m);
1581
1582                 return jsonNULL;
1583         }
1584 #endif
1585
1586         return obj;
1587 }
1588
1589 static char* jsonNumberToDBString ( osrfHash* field, const jsonObject* value ) {
1590         growing_buffer* val_buf = buffer_init(32);
1591
1592         if ( !strncmp(osrfHashGet(field, "datatype"), "INT", (size_t)3) ) {
1593                 if (value->type == JSON_NUMBER) buffer_fadd( val_buf, "%ld", (long)jsonObjectGetNumber(value) );
1594                 else {
1595                         char* val_str = jsonObjectToSimpleString(value);
1596                         buffer_fadd( val_buf, "%ld", atol(val_str) );
1597                         free(val_str);
1598                 }
1599
1600         } else if ( !strcmp(osrfHashGet(field, "datatype"), "NUMERIC") ) {
1601                 if (value->type == JSON_NUMBER) buffer_fadd( val_buf, "%f",  jsonObjectGetNumber(value) );
1602                 else {
1603                         char* val_str = jsonObjectToSimpleString(value);
1604                         buffer_fadd( val_buf, "%f", atof(val_str) );
1605                         free(val_str);
1606                 }
1607         }
1608
1609         return buffer_release(val_buf);
1610 }
1611
1612 static char* searchINPredicate (const char* class, osrfHash* field,
1613                 const jsonObject* node, const char* op) {
1614         growing_buffer* sql_buf = buffer_init(32);
1615
1616         buffer_fadd(
1617                 sql_buf,
1618                 "\"%s\".%s ",
1619                 class,
1620                 osrfHashGet(field, "name")
1621         );
1622
1623         if (!op) {
1624                 buffer_add(sql_buf, "IN (");
1625         } else if (!(strcasecmp(op,"not in"))) {
1626                 buffer_add(sql_buf, "NOT IN (");
1627         } else {
1628                 buffer_add(sql_buf, "IN (");
1629         }
1630
1631         int in_item_index = 0;
1632         int in_item_first = 1;
1633         jsonObject* in_item;
1634         while ( (in_item = jsonObjectGetIndex(node, in_item_index++)) ) {
1635
1636                 if (in_item_first)
1637                         in_item_first = 0;
1638                 else
1639                         buffer_add(sql_buf, ", ");
1640
1641                 if ( !strcmp(osrfHashGet(field, "primitive"), "number") ) {
1642                         char* val = jsonNumberToDBString( field, in_item );
1643                         OSRF_BUFFER_ADD( sql_buf, val );
1644                         free(val);
1645
1646                 } else {
1647                         char* key_string = jsonObjectToSimpleString(in_item);
1648                         if ( dbi_conn_quote_string(dbhandle, &key_string) ) {
1649                                 OSRF_BUFFER_ADD( sql_buf, key_string );
1650                                 free(key_string);
1651                         } else {
1652                                 osrfLogError(OSRF_LOG_MARK, "%s: Error quoting key string [%s]", MODULENAME, key_string);
1653                                 free(key_string);
1654                                 buffer_free(sql_buf);
1655                                 return NULL;
1656                         }
1657                 }
1658         }
1659
1660         OSRF_BUFFER_ADD_CHAR( sql_buf, ')' );
1661
1662         return buffer_release(sql_buf);
1663 }
1664
1665 static char* searchValueTransform( const jsonObject* array ) {
1666         growing_buffer* sql_buf = buffer_init(32);
1667
1668         char* val = NULL;
1669         int func_item_index = 0;
1670         int func_item_first = 2;
1671         jsonObject* func_item;
1672         while ( (func_item = jsonObjectGetIndex(array, func_item_index++)) ) {
1673
1674                 val = jsonObjectToSimpleString(func_item);
1675
1676                 if (func_item_first == 2) {
1677                         OSRF_BUFFER_ADD(sql_buf, val);
1678                         OSRF_BUFFER_ADD(sql_buf, "( ");
1679                         free(val);
1680                         func_item_first--;
1681                         continue;
1682                 }
1683
1684                 if (func_item_first)
1685                         func_item_first--;
1686                 else
1687                         buffer_add(sql_buf, ", ");
1688
1689                 if (func_item->type == JSON_NULL) {
1690                         buffer_add( sql_buf, "NULL" );
1691                 } else if ( dbi_conn_quote_string(dbhandle, &val) ) {
1692                         OSRF_BUFFER_ADD( sql_buf, val );
1693                 } else {
1694                         osrfLogError(OSRF_LOG_MARK, "%s: Error quoting key string [%s]", MODULENAME, val);
1695                         free(val);
1696                         buffer_free(sql_buf);
1697                         return NULL;
1698                 }
1699
1700                 free(val);
1701         }
1702
1703         buffer_add( sql_buf, " )" );
1704
1705         return buffer_release(sql_buf);
1706 }
1707
1708 static char* searchFunctionPredicate (const char* class, osrfHash* field,
1709                 const jsonObject* node, const char* node_key) {
1710         growing_buffer* sql_buf = buffer_init(32);
1711
1712         char* val = searchValueTransform(node);
1713
1714         buffer_fadd(
1715                 sql_buf,
1716                 "\"%s\".%s %s %s",
1717                 class,
1718                 osrfHashGet(field, "name"),
1719                 node_key,
1720                 val
1721         );
1722
1723         free(val);
1724
1725         return buffer_release(sql_buf);
1726 }
1727
1728 static char* searchFieldTransform (const char* class, osrfHash* field, const jsonObject* node) {
1729         growing_buffer* sql_buf = buffer_init(32);
1730
1731         char* field_transform = jsonObjectToSimpleString( jsonObjectGetKeyConst( node, "transform" ) );
1732         char* transform_subcolumn = jsonObjectToSimpleString( jsonObjectGetKeyConst( node, "result_field" ) );
1733
1734         if (field_transform) {
1735                 buffer_fadd( sql_buf, "%s(\"%s\".%s", field_transform, class, osrfHashGet(field, "name"));
1736             const jsonObject* array = jsonObjectGetKeyConst( node, "params" );
1737
1738         if (array) {
1739                 int func_item_index = 0;
1740                 jsonObject* func_item;
1741                 while ( (func_item = jsonObjectGetIndex(array, func_item_index++)) ) {
1742
1743                         char* val = jsonObjectToSimpleString(func_item);
1744
1745                     if ( !val ) {
1746                             buffer_add( sql_buf, ",NULL" );
1747                     } else if ( dbi_conn_quote_string(dbhandle, &val) ) {
1748                                         OSRF_BUFFER_ADD_CHAR( sql_buf, ',' );
1749                                         OSRF_BUFFER_ADD( sql_buf, val );
1750                         } else {
1751                                 osrfLogError(OSRF_LOG_MARK, "%s: Error quoting key string [%s]", MODULENAME, val);
1752                             free(field_transform);
1753                                         free(val);
1754                                 buffer_free(sql_buf);
1755                                 return NULL;
1756                 }
1757                                 free(val);
1758                         }
1759
1760         }
1761
1762         buffer_add(
1763                 sql_buf,
1764                 " )"
1765         );
1766
1767         } else {
1768                 buffer_fadd( sql_buf, "\"%s\".%s", class, osrfHashGet(field, "name"));
1769         }
1770
1771     if (transform_subcolumn) {
1772         char * tmp = buffer_release(sql_buf);
1773         sql_buf = buffer_init(32);
1774         buffer_fadd(
1775             sql_buf,
1776             "(%s).\"%s\"",
1777             tmp,
1778             transform_subcolumn
1779         );
1780         free(tmp);
1781     }
1782
1783         if (field_transform) free(field_transform);
1784         if (transform_subcolumn) free(transform_subcolumn);
1785
1786         return buffer_release(sql_buf);
1787 }
1788
1789 static char* searchFieldTransformPredicate (const char* class, osrfHash* field, jsonObject* node, const char* node_key) {
1790         char* field_transform = searchFieldTransform( class, field, node );
1791         char* value = NULL;
1792
1793         if (!jsonObjectGetKeyConst( node, "value" )) {
1794                 value = searchWHERE( node, osrfHashGet( oilsIDL(), class ), AND_OP_JOIN, NULL );
1795         } else if (jsonObjectGetKeyConst( node, "value" )->type == JSON_ARRAY) {
1796                 value = searchValueTransform(jsonObjectGetKeyConst( node, "value" ));
1797         } else if (jsonObjectGetKeyConst( node, "value" )->type == JSON_HASH) {
1798                 value = searchWHERE( jsonObjectGetKeyConst( node, "value" ), osrfHashGet( oilsIDL(), class ), AND_OP_JOIN, NULL );
1799         } else if (jsonObjectGetKeyConst( node, "value" )->type != JSON_NULL) {
1800                 if ( !strcmp(osrfHashGet(field, "primitive"), "number") ) {
1801                         value = jsonNumberToDBString( field, jsonObjectGetKeyConst( node, "value" ) );
1802                 } else {
1803                         value = jsonObjectToSimpleString(jsonObjectGetKeyConst( node, "value" ));
1804                         if ( !dbi_conn_quote_string(dbhandle, &value) ) {
1805                                 osrfLogError(OSRF_LOG_MARK, "%s: Error quoting key string [%s]", MODULENAME, value);
1806                                 free(value);
1807                                 free(field_transform);
1808                                 return NULL;
1809                         }
1810                 }
1811         }
1812
1813         growing_buffer* sql_buf = buffer_init(32);
1814
1815         buffer_fadd(
1816                 sql_buf,
1817                 "%s %s %s",
1818                 field_transform,
1819                 node_key,
1820                 value
1821         );
1822
1823         free(value);
1824         free(field_transform);
1825
1826         return buffer_release(sql_buf);
1827 }
1828
1829 static char* searchSimplePredicate (const char* orig_op, const char* class,
1830                 osrfHash* field, const jsonObject* node) {
1831
1832         char* val = NULL;
1833
1834         if (node->type != JSON_NULL) {
1835                 if ( !strcmp(osrfHashGet(field, "primitive"), "number") ) {
1836                         val = jsonNumberToDBString( field, node );
1837                 } else {
1838                         val = jsonObjectToSimpleString(node);
1839                 }
1840         }
1841
1842         char* pred = searchWriteSimplePredicate( class, field, osrfHashGet(field, "name"), orig_op, val );
1843
1844         if (val) free(val);
1845
1846         return pred;
1847 }
1848
1849 static char* searchWriteSimplePredicate ( const char* class, osrfHash* field,
1850         const char* left, const char* orig_op, const char* right ) {
1851
1852         char* val = NULL;
1853         char* op = NULL;
1854         if (right == NULL) {
1855                 val = strdup("NULL");
1856
1857                 if (strcmp( orig_op, "=" ))
1858                         op = strdup("IS NOT");
1859                 else
1860                         op = strdup("IS");
1861
1862         } else if ( !strcmp(osrfHashGet(field, "primitive"), "number") ) {
1863                 val = strdup(right);
1864                 op = strdup(orig_op);
1865
1866         } else {
1867                 val = strdup(right);
1868                 if ( !dbi_conn_quote_string(dbhandle, &val) ) {
1869                         osrfLogError(OSRF_LOG_MARK, "%s: Error quoting key string [%s]", MODULENAME, val);
1870                         free(val);
1871                         return NULL;
1872                 }
1873                 op = strdup(orig_op);
1874         }
1875
1876         growing_buffer* sql_buf = buffer_init(16);
1877         buffer_fadd( sql_buf, "\"%s\".%s %s %s", class, left, op, val );
1878         free(val);
1879         free(op);
1880
1881         return buffer_release(sql_buf);
1882 }
1883
1884 static char* searchBETWEENPredicate (const char* class, osrfHash* field, jsonObject* node) {
1885
1886         char* x_string;
1887         char* y_string;
1888
1889         if ( !strcmp(osrfHashGet(field, "primitive"), "number") ) {
1890                 x_string = jsonNumberToDBString(field, jsonObjectGetIndex(node,0));
1891                 y_string = jsonNumberToDBString(field, jsonObjectGetIndex(node,1));
1892
1893         } else {
1894                 x_string = jsonObjectToSimpleString(jsonObjectGetIndex(node,0));
1895                 y_string = jsonObjectToSimpleString(jsonObjectGetIndex(node,1));
1896                 if ( !(dbi_conn_quote_string(dbhandle, &x_string) && dbi_conn_quote_string(dbhandle, &y_string)) ) {
1897                         osrfLogError(OSRF_LOG_MARK, "%s: Error quoting key strings [%s] and [%s]", MODULENAME, x_string, y_string);
1898                         free(x_string);
1899                         free(y_string);
1900                         return NULL;
1901                 }
1902         }
1903
1904         growing_buffer* sql_buf = buffer_init(32);
1905         buffer_fadd( sql_buf, "%s BETWEEN %s AND %s", osrfHashGet(field, "name"), x_string, y_string );
1906         free(x_string);
1907         free(y_string);
1908
1909         return buffer_release(sql_buf);
1910 }
1911
1912 static char* searchPredicate ( const char* class, osrfHash* field, jsonObject* node ) {
1913
1914         char* pred = NULL;
1915         if (node->type == JSON_ARRAY) { // equality IN search
1916                 pred = searchINPredicate( class, field, node, NULL );
1917         } else if (node->type == JSON_HASH) { // non-equality search
1918                 jsonObject* pred_node;
1919                 jsonIterator* pred_itr = jsonNewIterator( node );
1920                 while ( (pred_node = jsonIteratorNext( pred_itr )) ) {
1921                         if ( !(strcasecmp( pred_itr->key,"between" )) )
1922                                 pred = searchBETWEENPredicate( class, field, pred_node );
1923                         else if ( !(strcasecmp( pred_itr->key,"in" )) || !(strcasecmp( pred_itr->key,"not in" )) )
1924                                 pred = searchINPredicate( class, field, pred_node, pred_itr->key );
1925                         else if ( pred_node->type == JSON_ARRAY )
1926                                 pred = searchFunctionPredicate( class, field, pred_node, pred_itr->key );
1927                         else if ( pred_node->type == JSON_HASH )
1928                                 pred = searchFieldTransformPredicate( class, field, pred_node, pred_itr->key );
1929                         else
1930                                 pred = searchSimplePredicate( pred_itr->key, class, field, pred_node );
1931
1932                         break;
1933                 }
1934         jsonIteratorFree(pred_itr);
1935         } else if (node->type == JSON_NULL) { // IS NULL search
1936                 growing_buffer* _p = buffer_init(64);
1937                 buffer_fadd(
1938                         _p,
1939                         "\"%s\".%s IS NULL",
1940                         class,
1941                         osrfHashGet(field, "name")
1942                 );
1943                 pred = buffer_release(_p);
1944         } else { // equality search
1945                 pred = searchSimplePredicate( "=", class, field, node );
1946         }
1947
1948         return pred;
1949
1950 }
1951
1952
1953 /*
1954
1955 join : {
1956         acn : {
1957                 field : record,
1958                 fkey : id
1959                 type : left
1960                 filter_op : or
1961                 filter : { ... },
1962                 join : {
1963                         acp : {
1964                                 field : call_number,
1965                                 fkey : id,
1966                                 filter : { ... },
1967                         },
1968                 },
1969         },
1970         mrd : {
1971                 field : record,
1972                 type : inner
1973                 fkey : id,
1974                 filter : { ... },
1975         }
1976 }
1977
1978 */
1979
1980 static char* searchJOIN ( const jsonObject* join_hash, osrfHash* leftmeta ) {
1981
1982         const jsonObject* working_hash;
1983         jsonObject* freeable_hash = NULL;
1984
1985         if (join_hash->type == JSON_STRING) {
1986                 // create a wrapper around a copy of the original
1987                 char* _tmp = jsonObjectToSimpleString( join_hash );
1988                 freeable_hash = jsonNewObjectType(JSON_HASH);
1989                 jsonObjectSetKey(freeable_hash, _tmp, NULL);
1990                 free(_tmp);
1991                 working_hash = freeable_hash;
1992         }
1993         else
1994                 working_hash = join_hash;
1995
1996         growing_buffer* join_buf = buffer_init(128);
1997         char* leftclass = osrfHashGet(leftmeta, "classname");
1998
1999         jsonObject* snode = NULL;
2000         jsonIterator* search_itr = jsonNewIterator( working_hash );
2001         if(freeable_hash)
2002                 jsonObjectFree(freeable_hash);
2003
2004         while ( (snode = jsonIteratorNext( search_itr )) ) {
2005                 osrfHash* idlClass = osrfHashGet( oilsIDL(), search_itr->key );
2006
2007                 char* class = osrfHashGet(idlClass, "classname");
2008
2009                 char* fkey = jsonObjectToSimpleString( jsonObjectGetKeyConst( snode, "fkey" ) );
2010                 char* field = jsonObjectToSimpleString( jsonObjectGetKeyConst( snode, "field" ) );
2011
2012                 if (field && !fkey) {
2013                         fkey = (char*)oilsIDLFindPath("/%s/links/%s/key", class, field);
2014                         if (!fkey) {
2015                                 osrfLogError(
2016                                         OSRF_LOG_MARK,
2017                                         "%s: JOIN failed.  No link defined from %s.%s to %s",
2018                                         MODULENAME,
2019                                         class,
2020                                         field,
2021                                         leftclass
2022                                 );
2023                                 buffer_free(join_buf);
2024                                 free(field);
2025                                 jsonIteratorFree(search_itr);
2026                                 return NULL;
2027                         }
2028                         fkey = strdup( fkey );
2029
2030                 } else if (!field && fkey) {
2031                         field = (char*)oilsIDLFindPath("/%s/links/%s/key", leftclass, fkey );
2032                         if (!field) {
2033                                 osrfLogError(
2034                                         OSRF_LOG_MARK,
2035                                         "%s: JOIN failed.  No link defined from %s.%s to %s",
2036                                         MODULENAME,
2037                                         leftclass,
2038                                         fkey,
2039                                         class
2040                                 );
2041                                 buffer_free(join_buf);
2042                                 free(fkey);
2043                                 jsonIteratorFree(search_itr);
2044                                 return NULL;
2045                         }
2046                         field = strdup( field );
2047
2048                 } else if (!field && !fkey) {
2049                         osrfHash* _links = oilsIDLFindPath("/%s/links", leftclass);
2050
2051                         int i = 0;
2052                         osrfStringArray* keys = osrfHashKeys( _links );
2053                         while ( (fkey = osrfStringArrayGetString(keys, i++)) ) {
2054                                 fkey = strdup(osrfStringArrayGetString(keys, i++));
2055                                 if ( !strcmp( (char*)oilsIDLFindPath("/%s/links/%s/class", leftclass, fkey), class) ) {
2056                                         field = strdup( (char*)oilsIDLFindPath("/%s/links/%s/key", leftclass, fkey) );
2057                                         break;
2058                                 } else {
2059                                         free(fkey);
2060                                 }
2061                         }
2062                         osrfStringArrayFree(keys);
2063
2064                         if (!field && !fkey) {
2065                                 _links = oilsIDLFindPath("/%s/links", class);
2066
2067                                 i = 0;
2068                                 keys = osrfHashKeys( _links );
2069                                 while ( (field = osrfStringArrayGetString(keys, i++)) ) {
2070                                         field = strdup(osrfStringArrayGetString(keys, i++));
2071                                         if ( !strcmp( (char*)oilsIDLFindPath("/%s/links/%s/class", class, field), class) ) {
2072                                                 fkey = strdup( (char*)oilsIDLFindPath("/%s/links/%s/key", class, field) );
2073                                                 break;
2074                                         } else {
2075                                                 free(field);
2076                                         }
2077                                 }
2078                                 osrfStringArrayFree(keys);
2079                         }
2080
2081                         if (!field && !fkey) {
2082                                 osrfLogError(
2083                                         OSRF_LOG_MARK,
2084                                         "%s: JOIN failed.  No link defined between %s and %s",
2085                                         MODULENAME,
2086                                         leftclass,
2087                                         class
2088                                 );
2089                                 buffer_free(join_buf);
2090                                 jsonIteratorFree(search_itr);
2091                                 return NULL;
2092                         }
2093
2094                 }
2095
2096                 char* type = jsonObjectToSimpleString( jsonObjectGetKeyConst( snode, "type" ) );
2097                 if (type) {
2098                         if ( !strcasecmp(type,"left") ) {
2099                                 buffer_add(join_buf, " LEFT JOIN");
2100                         } else if ( !strcasecmp(type,"right") ) {
2101                                 buffer_add(join_buf, " RIGHT JOIN");
2102                         } else if ( !strcasecmp(type,"full") ) {
2103                                 buffer_add(join_buf, " FULL JOIN");
2104                         } else {
2105                                 buffer_add(join_buf, " INNER JOIN");
2106                         }
2107                 } else {
2108                         buffer_add(join_buf, " INNER JOIN");
2109                 }
2110                 free(type);
2111
2112                 char* table = getSourceDefinition(idlClass);
2113                 buffer_fadd(join_buf, " %s AS \"%s\" ON ( \"%s\".%s = \"%s\".%s", table, class, class, field, leftclass, fkey);
2114                 free(table);
2115
2116                 const jsonObject* filter = jsonObjectGetKeyConst( snode, "filter" );
2117                 if (filter) {
2118                         char* filter_op = jsonObjectToSimpleString( jsonObjectGetKeyConst( snode, "filter_op" ) );
2119                         if (filter_op) {
2120                                 if (!strcasecmp("or",filter_op)) {
2121                                         buffer_add( join_buf, " OR " );
2122                                 } else {
2123                                         buffer_add( join_buf, " AND " );
2124                                 }
2125                         } else {
2126                                 buffer_add( join_buf, " AND " );
2127                         }
2128
2129                         char* jpred = searchWHERE( filter, idlClass, AND_OP_JOIN, NULL );
2130                         OSRF_BUFFER_ADD_CHAR( join_buf, ' ' );
2131                         OSRF_BUFFER_ADD( join_buf, jpred );
2132                         free(jpred);
2133                         free(filter_op);
2134                 }
2135
2136                 buffer_add(join_buf, " ) ");
2137
2138                 const jsonObject* join_filter = jsonObjectGetKeyConst( snode, "join" );
2139                 if (join_filter) {
2140                         char* jpred = searchJOIN( join_filter, idlClass );
2141                         OSRF_BUFFER_ADD_CHAR( join_buf, ' ' );
2142                         OSRF_BUFFER_ADD( join_buf, jpred );
2143                         free(jpred);
2144                 }
2145
2146                 free(fkey);
2147                 free(field);
2148         }
2149
2150     jsonIteratorFree(search_itr);
2151
2152         return buffer_release(join_buf);
2153 }
2154
2155 /*
2156
2157 { +class : { -or|-and : { field : { op : value }, ... } ... }, ... }
2158 { +class : { -or|-and : [ { field : { op : value }, ... }, ...] ... }, ... }
2159 [ { +class : { -or|-and : [ { field : { op : value }, ... }, ...] ... }, ... }, ... ]
2160
2161 */
2162
2163 static char* searchWHERE ( const jsonObject* search_hash, osrfHash* meta, int opjoin_type, osrfMethodContext* ctx ) {
2164
2165         osrfLogDebug(
2166         OSRF_LOG_MARK,
2167         "%s: Entering searchWHERE; search_hash addr = %d, meta addr = %d, opjoin_type = %d, ctx addr = %d",
2168         MODULENAME,
2169         search_hash,
2170         meta,
2171         opjoin_type,
2172         ctx
2173     );
2174
2175         growing_buffer* sql_buf = buffer_init(128);
2176
2177         jsonObject* node = NULL;
2178
2179     int first = 1;
2180     if ( search_hash->type == JSON_ARRAY ) {
2181             osrfLogDebug(OSRF_LOG_MARK, "%s: In WHERE clause, condition type is JSON_ARRAY", MODULENAME);
2182         jsonIterator* search_itr = jsonNewIterator( search_hash );
2183         while ( (node = jsonIteratorNext( search_itr )) ) {
2184             if (first) {
2185                 first = 0;
2186             } else {
2187                 if (opjoin_type == OR_OP_JOIN) buffer_add(sql_buf, " OR ");
2188                 else buffer_add(sql_buf, " AND ");
2189             }
2190
2191             char* subpred = searchWHERE( node, meta, opjoin_type, ctx );
2192             buffer_fadd(sql_buf, "( %s )", subpred);
2193             free(subpred);
2194         }
2195         jsonIteratorFree(search_itr);
2196
2197     } else if ( search_hash->type == JSON_HASH ) {
2198             osrfLogDebug(OSRF_LOG_MARK, "%s: In WHERE clause, condition type is JSON_HASH", MODULENAME);
2199         jsonIterator* search_itr = jsonNewIterator( search_hash );
2200         while ( (node = jsonIteratorNext( search_itr )) ) {
2201
2202             if (first) {
2203                 first = 0;
2204             } else {
2205                 if (opjoin_type == OR_OP_JOIN) buffer_add(sql_buf, " OR ");
2206                 else buffer_add(sql_buf, " AND ");
2207             }
2208
2209             if ( !strncmp("+",search_itr->key,1) ) {
2210                 if ( node->type == JSON_STRING ) {
2211                     char* subpred = jsonObjectToSimpleString( node );
2212                     buffer_fadd(sql_buf, " \"%s\".%s ", search_itr->key + 1, subpred);
2213                     free(subpred);
2214                 } else {
2215                     char* subpred = searchWHERE( node, osrfHashGet( oilsIDL(), search_itr->key + 1 ), AND_OP_JOIN, ctx );
2216                     buffer_fadd(sql_buf, "( %s )", subpred);
2217                     free(subpred);
2218                 }
2219             } else if ( !strcasecmp("-or",search_itr->key) ) {
2220                 char* subpred = searchWHERE( node, meta, OR_OP_JOIN, ctx );
2221                 buffer_fadd(sql_buf, "( %s )", subpred);
2222                 free(subpred);
2223             } else if ( !strcasecmp("-and",search_itr->key) ) {
2224                 char* subpred = searchWHERE( node, meta, AND_OP_JOIN, ctx );
2225                 buffer_fadd(sql_buf, "( %s )", subpred);
2226                 free(subpred);
2227             } else if ( !strcasecmp("-exists",search_itr->key) ) {
2228                 char* subpred = SELECT(
2229                     ctx,
2230                     jsonObjectGetKey( node, "select" ),
2231                     jsonObjectGetKey( node, "from" ),
2232                     jsonObjectGetKey( node, "where" ),
2233                     jsonObjectGetKey( node, "having" ),
2234                     jsonObjectGetKey( node, "order_by" ),
2235                     jsonObjectGetKey( node, "limit" ),
2236                     jsonObjectGetKey( node, "offset" ),
2237                     SUBSELECT
2238                 );
2239
2240                 buffer_fadd(sql_buf, "EXISTS ( %s )", subpred);
2241                 free(subpred);
2242             } else if ( !strcasecmp("-not-exists",search_itr->key) ) {
2243                 char* subpred = SELECT(
2244                     ctx,
2245                     jsonObjectGetKey( node, "select" ),
2246                     jsonObjectGetKey( node, "from" ),
2247                     jsonObjectGetKey( node, "where" ),
2248                     jsonObjectGetKey( node, "having" ),
2249                     jsonObjectGetKey( node, "order_by" ),
2250                     jsonObjectGetKey( node, "limit" ),
2251                     jsonObjectGetKey( node, "offset" ),
2252                     SUBSELECT
2253                 );
2254
2255                 buffer_fadd(sql_buf, "NOT EXISTS ( %s )", subpred);
2256                 free(subpred);
2257             } else {
2258
2259                 char* class = osrfHashGet(meta, "classname");
2260                 osrfHash* fields = osrfHashGet(meta, "fields");
2261                 osrfHash* field = osrfHashGet( fields, search_itr->key );
2262
2263
2264                 if (!field) {
2265                     char* table = getSourceDefinition(meta);
2266                     osrfLogError(
2267                         OSRF_LOG_MARK,
2268                         "%s: Attempt to reference non-existant column %s on %s (%s)",
2269                         MODULENAME,
2270                         search_itr->key,
2271                         table,
2272                         class
2273                     );
2274                     buffer_free(sql_buf);
2275                     free(table);
2276                                         jsonIteratorFree(search_itr);
2277                                         return NULL;
2278                 }
2279
2280                 char* subpred = searchPredicate( class, field, node );
2281                 buffer_add( sql_buf, subpred );
2282                 free(subpred);
2283             }
2284         }
2285             jsonIteratorFree(search_itr);
2286
2287     } else {
2288         // ERROR ... only hash and array allowed at this level
2289         char* predicate_string = jsonObjectToJSON( search_hash );
2290         osrfLogError(
2291             OSRF_LOG_MARK,
2292             "%s: Invalid predicate structure: %s",
2293             MODULENAME,
2294             predicate_string
2295         );
2296         buffer_free(sql_buf);
2297         free(predicate_string);
2298         return NULL;
2299     }
2300
2301
2302         return buffer_release(sql_buf);
2303 }
2304
2305 static char* SELECT (
2306                 /* method context */ osrfMethodContext* ctx,
2307
2308                 /* SELECT   */ jsonObject* selhash,
2309                 /* FROM     */ jsonObject* join_hash,
2310                 /* WHERE    */ jsonObject* search_hash,
2311                 /* HAVING   */ jsonObject* having_hash,
2312                 /* ORDER BY */ jsonObject* order_hash,
2313                 /* LIMIT    */ jsonObject* limit,
2314                 /* OFFSET   */ jsonObject* offset,
2315                 /* flags    */ int flags
2316 ) {
2317         const char* locale = osrf_message_get_last_locale();
2318
2319         // in case we don't get a select list
2320         jsonObject* defaultselhash = NULL;
2321
2322         // general tmp objects
2323         const jsonObject* tmp_const;
2324         jsonObject* _tmp = NULL;
2325         jsonObject* selclass = NULL;
2326         jsonObject* selfield = NULL;
2327         jsonObject* snode = NULL;
2328         jsonObject* onode = NULL;
2329
2330         char* string = NULL;
2331         int from_function = 0;
2332         int first = 1;
2333         int gfirst = 1;
2334         //int hfirst = 1;
2335
2336         // the core search class
2337         char* core_class = NULL;
2338
2339         // metadata about the core search class
2340         osrfHash* core_meta = NULL;
2341         osrfHash* core_fields = NULL;
2342
2343         // punt if there's no core class
2344         if (!join_hash || ( join_hash->type == JSON_HASH && !join_hash->size ))
2345                 return NULL;
2346
2347         // get the core class -- the only key of the top level FROM clause, or a string
2348         if (join_hash->type == JSON_HASH) {
2349                 jsonIterator* tmp_itr = jsonNewIterator( join_hash );
2350                 snode = jsonIteratorNext( tmp_itr );
2351
2352                 core_class = strdup( tmp_itr->key );
2353                 join_hash = snode;
2354
2355                 jsonObject* extra = jsonIteratorNext( tmp_itr );
2356
2357                 jsonIteratorFree( tmp_itr );
2358                 snode = NULL;
2359
2360                 // There shouldn't be more than one entry in join_hash
2361                 if( extra )
2362                         return NULL;    // Malformed join_hash; extra entry
2363
2364         } else if (join_hash->type == JSON_ARRAY) {
2365         from_function = 1;
2366         selhash = NULL;
2367
2368         } else if (join_hash->type == JSON_STRING) {
2369                 core_class = jsonObjectToSimpleString( join_hash );
2370                 join_hash = NULL;
2371         }
2372         else
2373                 return NULL;
2374
2375         // punt if we don't know about the core class (and it's not a function)
2376         if (!from_function && !(core_meta = osrfHashGet( oilsIDL(), core_class ))) {
2377                 free(core_class);
2378                 return NULL;
2379         }
2380
2381         // if the select list is empty, or the core class field list is '*',
2382         // build the default select list ...
2383         if (!selhash) {
2384                 selhash = defaultselhash = jsonNewObjectType(JSON_HASH);
2385                 jsonObjectSetKey( selhash, core_class, jsonNewObjectType(JSON_ARRAY) );
2386         } else if ( (tmp_const = jsonObjectGetKeyConst( selhash, core_class )) && tmp_const->type == JSON_STRING ) {
2387                 char* _x = jsonObjectToSimpleString( tmp_const );
2388                 if (!strncmp( "*", _x, 1 )) {
2389                         jsonObjectRemoveKey( selhash, core_class );
2390                         jsonObjectSetKey( selhash, core_class, jsonNewObjectType(JSON_ARRAY) );
2391                 }
2392                 free(_x);
2393         }
2394
2395         // the query buffer
2396         growing_buffer* sql_buf = buffer_init(128);
2397
2398         // temp buffer for the SELECT list
2399         growing_buffer* select_buf = buffer_init(128);
2400         growing_buffer* order_buf = buffer_init(128);
2401         growing_buffer* group_buf = buffer_init(128);
2402         growing_buffer* having_buf = buffer_init(128);
2403
2404         if (!from_function)
2405         core_fields = osrfHashGet(core_meta, "fields");
2406
2407         // ... and if we /are/ building the default list, do that
2408         if ( (_tmp = jsonObjectGetKey(selhash,core_class)) && !_tmp->size ) {
2409
2410                 int i = 0;
2411                 char* field;
2412
2413         if (!from_function) {
2414                 osrfStringArray* keys = osrfHashKeys( core_fields );
2415                 while ( (field = osrfStringArrayGetString(keys, i++)) ) {
2416                         if ( strncasecmp( "true", osrfHashGet( osrfHashGet( core_fields, field ), "virtual" ), 4 ) )
2417                                 jsonObjectPush( _tmp, jsonNewObject( field ) );
2418                 }
2419                 osrfStringArrayFree(keys);
2420         }
2421         }
2422
2423         // Now we build the actual select list
2424         if (!from_function) {
2425             int sel_pos = 1;
2426             jsonObject* is_agg = jsonObjectFindPath(selhash, "//aggregate");
2427             first = 1;
2428             gfirst = 1;
2429             jsonIterator* selclass_itr = jsonNewIterator( selhash );
2430             while ( (selclass = jsonIteratorNext( selclass_itr )) ) {
2431
2432                     // round trip through the idl, just to be safe
2433                         const char* cname = selclass_itr->key;
2434                         osrfHash* idlClass = osrfHashGet( oilsIDL(), cname );
2435                     if (!idlClass) continue;
2436
2437                     // make sure the target relation is in the join tree
2438                     if (strcmp(core_class,cname)) {
2439                             if (!join_hash) continue;
2440
2441                                 unsigned long size;
2442
2443                                 if (join_hash->type == JSON_STRING) {
2444                                     string = jsonObjectToSimpleString(join_hash);
2445                                         size = strcmp( string, cname ) ? 0 : 1;
2446                                     free(string);
2447                             } else {
2448                                     jsonObject* found = jsonObjectFindPath(join_hash, "//%s", cname);
2449                                         size = found->size;
2450                                         jsonObjectFree( found );
2451                             }
2452
2453                             if ( 0 == size )
2454                                     continue;
2455                     }
2456
2457                     // stitch together the column list ...
2458                     jsonIterator* select_itr = jsonNewIterator( selclass );
2459                     while ( (selfield = jsonIteratorNext( select_itr )) ) {
2460
2461                             char* _column = NULL;
2462                             char* _alias = NULL;
2463
2464                             // ... if it's a sstring, just toss it on the pile
2465                             if (selfield->type == JSON_STRING) {
2466
2467                                     // again, just to be safe
2468                                     char* _requested_col = jsonObjectToSimpleString(selfield);
2469                                     osrfHash* field = osrfHashGet( osrfHashGet( idlClass, "fields" ), _requested_col );
2470                                     free(_requested_col);
2471
2472                                     if (!field) continue;
2473                                     _column = strdup(osrfHashGet(field, "name"));
2474
2475                                     if (first) {
2476                                             first = 0;
2477                                     } else {
2478                                                 OSRF_BUFFER_ADD_CHAR( select_buf, ',' );
2479                                     }
2480
2481                     if (locale) {
2482                             char* i18n = osrfHashGet(field, "i18n");
2483                                     if (flags & DISABLE_I18N)
2484                             i18n = NULL;
2485
2486                             if ( i18n && !strncasecmp("true", i18n, 4)) {
2487                                 char* pkey = osrfHashGet(idlClass, "primarykey");
2488                                 char* tname = osrfHashGet(idlClass, "tablename");
2489
2490                             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);
2491                         } else {
2492                                             buffer_fadd(select_buf, " \"%s\".%s AS \"%s\"", cname, _column, _column);
2493                         }
2494                     } else {
2495                                         buffer_fadd(select_buf, " \"%s\".%s AS \"%s\"", cname, _column, _column);
2496                     }
2497
2498                             // ... but it could be an object, in which case we check for a Field Transform
2499                             } else {
2500
2501                                     _column = jsonObjectToSimpleString( jsonObjectGetKeyConst( selfield, "column" ) );
2502
2503                                     // again, just to be safe
2504                                     osrfHash* field = osrfHashGet( osrfHashGet( idlClass, "fields" ), _column );
2505                                     if (!field) continue;
2506                                     const char* fname = osrfHashGet(field, "name");
2507
2508                                     if (first) {
2509                                             first = 0;
2510                                     } else {
2511                                                 OSRF_BUFFER_ADD_CHAR( select_buf, ',' );
2512                                         }
2513
2514                                     if ((tmp_const = jsonObjectGetKeyConst( selfield, "alias" ))) {
2515                                             _alias = jsonObjectToSimpleString( tmp_const );
2516                                     } else {
2517                                             _alias = strdup(_column);
2518                                     }
2519
2520                                     if (jsonObjectGetKeyConst( selfield, "transform" )) {
2521                                             free(_column);
2522                                             _column = searchFieldTransform(cname, field, selfield);
2523                                             buffer_fadd(select_buf, " %s AS \"%s\"", _column, _alias);
2524                                     } else {
2525                         if (locale) {
2526                                     char* i18n = osrfHashGet(field, "i18n");
2527                                         if (flags & DISABLE_I18N)
2528                                 i18n = NULL;
2529
2530                                     if ( i18n && !strncasecmp("true", i18n, 4)) {
2531                                     char* pkey = osrfHashGet(idlClass, "primarykey");
2532                                     char* tname = osrfHashGet(idlClass, "tablename");
2533
2534                                 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);
2535                             } else {
2536                                                     buffer_fadd(select_buf, " \"%s\".%s AS \"%s\"", cname, fname, _alias);
2537                             }
2538                         } else {
2539                                                 buffer_fadd(select_buf, " \"%s\".%s AS \"%s\"", cname, fname, _alias);
2540                         }
2541                                     }
2542                             }
2543
2544                             if (is_agg->size || (flags & SELECT_DISTINCT)) {
2545
2546                                     if ( !(
2547                             jsonBoolIsTrue( jsonObjectGetKey( selfield, "aggregate" ) ) ||
2548                                 ((int)jsonObjectGetNumber(jsonObjectGetKey( selfield, "aggregate" ))) == 1 // support 1/0 for perl's sake
2549                          )
2550                     ) {
2551                                             if (gfirst) {
2552                                                     gfirst = 0;
2553                                             } else {
2554                                                         OSRF_BUFFER_ADD_CHAR( group_buf, ',' );
2555                                             }
2556
2557                                             buffer_fadd(group_buf, " %d", sel_pos);
2558                                         /*
2559                                     } else if (is_agg = jsonObjectGetKey( selfield, "having" )) {
2560                                             if (gfirst) {
2561                                                     gfirst = 0;
2562                                             } else {
2563                                                         OSRF_BUFFER_ADD_CHAR( group_buf, ',' );
2564                                             }
2565
2566                                             _column = searchFieldTransform(cname, field, selfield);
2567                                                 OSRF_BUFFER_ADD_CHAR(group_buf, ' ');
2568                                                 OSRF_BUFFER_ADD(group_buf, _column);
2569                                             _column = searchFieldTransform(cname, field, selfield);
2570                                         */
2571                                     }
2572                             }
2573
2574                             if (_column) free(_column);
2575                             if (_alias) free(_alias);
2576
2577                             sel_pos++;
2578                     }
2579
2580             // jsonIteratorFree(select_itr);
2581             }
2582
2583         // jsonIteratorFree(selclass_itr);
2584
2585             if (is_agg) jsonObjectFree(is_agg);
2586     } else {
2587                 OSRF_BUFFER_ADD_CHAR( select_buf, '*' );
2588     }
2589
2590
2591         char* col_list = buffer_release(select_buf);
2592         char* table = NULL;
2593     if (!from_function) table = getSourceDefinition(core_meta);
2594     else table = searchValueTransform(join_hash);
2595
2596         // Put it all together
2597         buffer_fadd(sql_buf, "SELECT %s FROM %s AS \"%s\" ", col_list, table, core_class );
2598         free(col_list);
2599         free(table);
2600
2601     if (!from_function) {
2602             // Now, walk the join tree and add that clause
2603             if ( join_hash ) {
2604                     char* join_clause = searchJOIN( join_hash, core_meta );
2605                     buffer_add(sql_buf, join_clause);
2606                     free(join_clause);
2607             }
2608
2609             if ( search_hash ) {
2610                     buffer_add(sql_buf, " WHERE ");
2611
2612                     // and it's on the the WHERE clause
2613                     char* pred = searchWHERE( search_hash, core_meta, AND_OP_JOIN, ctx );
2614
2615                     if (!pred) {
2616                             if (ctx) {
2617                                 osrfAppSessionStatus(
2618                                         ctx->session,
2619                                         OSRF_STATUS_INTERNALSERVERERROR,
2620                                         "osrfMethodException",
2621                                         ctx->request,
2622                                         "Severe query error in WHERE predicate -- see error log for more details"
2623                                 );
2624                             }
2625                             free(core_class);
2626                             buffer_free(having_buf);
2627                             buffer_free(group_buf);
2628                             buffer_free(order_buf);
2629                             buffer_free(sql_buf);
2630                             if (defaultselhash) jsonObjectFree(defaultselhash);
2631                             return NULL;
2632                     } else {
2633                             buffer_add(sql_buf, pred);
2634                             free(pred);
2635                     }
2636         }
2637
2638             if ( having_hash ) {
2639                     buffer_add(sql_buf, " HAVING ");
2640
2641                     // and it's on the the WHERE clause
2642                     char* pred = searchWHERE( having_hash, core_meta, AND_OP_JOIN, ctx );
2643
2644                     if (!pred) {
2645                             if (ctx) {
2646                                 osrfAppSessionStatus(
2647                                         ctx->session,
2648                                         OSRF_STATUS_INTERNALSERVERERROR,
2649                                         "osrfMethodException",
2650                                         ctx->request,
2651                                         "Severe query error in HAVING predicate -- see error log for more details"
2652                                 );
2653                             }
2654                             free(core_class);
2655                             buffer_free(having_buf);
2656                             buffer_free(group_buf);
2657                             buffer_free(order_buf);
2658                             buffer_free(sql_buf);
2659                             if (defaultselhash) jsonObjectFree(defaultselhash);
2660                             return NULL;
2661                     } else {
2662                             buffer_add(sql_buf, pred);
2663                             free(pred);
2664                     }
2665             }
2666
2667             first = 1;
2668             jsonIterator* class_itr = jsonNewIterator( order_hash );
2669             while ( (snode = jsonIteratorNext( class_itr )) ) {
2670
2671                     if (!jsonObjectGetKeyConst(selhash,class_itr->key))
2672                             continue;
2673
2674                     if ( snode->type == JSON_HASH ) {
2675
2676                         jsonIterator* order_itr = jsonNewIterator( snode );
2677                             while ( (onode = jsonIteratorNext( order_itr )) ) {
2678
2679                                     if (!oilsIDLFindPath( "/%s/fields/%s", class_itr->key, order_itr->key ))
2680                                             continue;
2681
2682                                     char* direction = NULL;
2683                                     if ( onode->type == JSON_HASH ) {
2684                                             if ( jsonObjectGetKeyConst( onode, "transform" ) ) {
2685                                                     string = searchFieldTransform(
2686                                                             class_itr->key,
2687                                                             oilsIDLFindPath( "/%s/fields/%s", class_itr->key, order_itr->key ),
2688                                                             onode
2689                                                     );
2690                                             } else {
2691                                                     growing_buffer* field_buf = buffer_init(16);
2692                                                     buffer_fadd(field_buf, "\"%s\".%s", class_itr->key, order_itr->key);
2693                                                     string = buffer_release(field_buf);
2694                                             }
2695
2696                                             if ( (tmp_const = jsonObjectGetKeyConst( onode, "direction" )) ) {
2697                                                     direction = jsonObjectToSimpleString(tmp_const);
2698                                                     if (!strncasecmp(direction, "d", 1)) {
2699                                                             free(direction);
2700                                                             direction = " DESC";
2701                                                     } else {
2702                                                             free(direction);
2703                                                             direction = " ASC";
2704                                                     }
2705                                             }
2706
2707                                     } else {
2708                                             string = strdup(order_itr->key);
2709                                             direction = jsonObjectToSimpleString(onode);
2710                                             if (!strncasecmp(direction, "d", 1)) {
2711                                                     free(direction);
2712                                                     direction = " DESC";
2713                                             } else {
2714                                                     free(direction);
2715                                                     direction = " ASC";
2716                                             }
2717                                     }
2718
2719                                     if (first) {
2720                                             first = 0;
2721                                     } else {
2722                                             buffer_add(order_buf, ", ");
2723                                     }
2724
2725                                     buffer_add(order_buf, string);
2726                                     free(string);
2727
2728                                     if (direction) {
2729                                             buffer_add(order_buf, direction);
2730                                     }
2731
2732                             }
2733                 // jsonIteratorFree(order_itr);
2734
2735                     } else if ( snode->type == JSON_ARRAY ) {
2736
2737                         jsonIterator* order_itr = jsonNewIterator( snode );
2738                             while ( (onode = jsonIteratorNext( order_itr )) ) {
2739
2740                                     char* _f = jsonObjectToSimpleString( onode );
2741
2742                                     if (!oilsIDLFindPath( "/%s/fields/%s", class_itr->key, _f))
2743                                             continue;
2744
2745                                     if (first) {
2746                                             first = 0;
2747                                     } else {
2748                                             buffer_add(order_buf, ", ");
2749                                     }
2750
2751                                     buffer_add(order_buf, _f);
2752                                     free(_f);
2753
2754                             }
2755                 // jsonIteratorFree(order_itr);
2756
2757
2758                     // IT'S THE OOOOOOOOOOOLD STYLE!
2759                     } else {
2760                             osrfLogError(OSRF_LOG_MARK, "%s: Possible SQL injection attempt; direct order by is not allowed", MODULENAME);
2761                             if (ctx) {
2762                                 osrfAppSessionStatus(
2763                                         ctx->session,
2764                                         OSRF_STATUS_INTERNALSERVERERROR,
2765                                         "osrfMethodException",
2766                                         ctx->request,
2767                                         "Severe query error -- see error log for more details"
2768                                 );
2769                             }
2770
2771                             free(core_class);
2772                             buffer_free(having_buf);
2773                             buffer_free(group_buf);
2774                             buffer_free(order_buf);
2775                             buffer_free(sql_buf);
2776                             if (defaultselhash) jsonObjectFree(defaultselhash);
2777                             jsonIteratorFree(class_itr);
2778                             return NULL;
2779                     }
2780
2781             }
2782     }
2783
2784     // jsonIteratorFree(class_itr);
2785
2786         string = buffer_release(group_buf);
2787
2788         if (strlen(string)) {
2789                 OSRF_BUFFER_ADD( sql_buf, " GROUP BY " );
2790                 OSRF_BUFFER_ADD( sql_buf, string );
2791         }
2792
2793         free(string);
2794
2795         string = buffer_release(having_buf);
2796
2797         if (strlen(string)) {
2798                 OSRF_BUFFER_ADD( sql_buf, " HAVING " );
2799                 OSRF_BUFFER_ADD( sql_buf, string );
2800         }
2801
2802         free(string);
2803
2804         string = buffer_release(order_buf);
2805
2806         if (strlen(string)) {
2807                 OSRF_BUFFER_ADD( sql_buf, " ORDER BY " );
2808                 OSRF_BUFFER_ADD( sql_buf, string );
2809         }
2810
2811         free(string);
2812
2813         if ( limit ){
2814                 string = jsonObjectToSimpleString(limit);
2815                 buffer_fadd( sql_buf, " LIMIT %d", atoi(string) );
2816                 free(string);
2817         }
2818
2819         if (offset) {
2820                 string = jsonObjectToSimpleString(offset);
2821                 buffer_fadd( sql_buf, " OFFSET %d", atoi(string) );
2822                 free(string);
2823         }
2824
2825         if (!(flags & SUBSELECT)) OSRF_BUFFER_ADD_CHAR(sql_buf, ';');
2826
2827         free(core_class);
2828         if (defaultselhash) jsonObjectFree(defaultselhash);
2829
2830         return buffer_release(sql_buf);
2831
2832 }
2833
2834 static char* buildSELECT ( jsonObject* search_hash, jsonObject* order_hash, osrfHash* meta, osrfMethodContext* ctx ) {
2835
2836         const char* locale = osrf_message_get_last_locale();
2837
2838         osrfHash* fields = osrfHashGet(meta, "fields");
2839         char* core_class = osrfHashGet(meta, "classname");
2840
2841         const jsonObject* join_hash = jsonObjectGetKeyConst( order_hash, "join" );
2842
2843         jsonObject* node = NULL;
2844         jsonObject* snode = NULL;
2845         jsonObject* onode = NULL;
2846         const jsonObject* _tmp = NULL;
2847         jsonObject* selhash = NULL;
2848         jsonObject* defaultselhash = NULL;
2849
2850         growing_buffer* sql_buf = buffer_init(128);
2851         growing_buffer* select_buf = buffer_init(128);
2852
2853         if ( !(selhash = jsonObjectGetKey( order_hash, "select" )) ) {
2854                 defaultselhash = jsonNewObjectType(JSON_HASH);
2855                 selhash = defaultselhash;
2856         }
2857
2858         if ( !jsonObjectGetKeyConst(selhash,core_class) ) {
2859                 jsonObjectSetKey( selhash, core_class, jsonNewObjectType(JSON_ARRAY) );
2860                 jsonObject* flist = jsonObjectGetKey( selhash, core_class );
2861
2862                 int i = 0;
2863                 char* field;
2864
2865                 osrfStringArray* keys = osrfHashKeys( fields );
2866                 while ( (field = osrfStringArrayGetString(keys, i++)) ) {
2867                         if ( strcasecmp( "true", osrfHashGet( osrfHashGet( fields, field ), "virtual" ) ) )
2868                                 jsonObjectPush( flist, jsonNewObject( field ) );
2869                 }
2870                 osrfStringArrayFree(keys);
2871         }
2872
2873         int first = 1;
2874         jsonIterator* class_itr = jsonNewIterator( selhash );
2875         while ( (snode = jsonIteratorNext( class_itr )) ) {
2876
2877                 osrfHash* idlClass = osrfHashGet( oilsIDL(), class_itr->key );
2878                 if (!idlClass) continue;
2879                 char* cname = osrfHashGet(idlClass, "classname");
2880
2881                 if (strcmp(core_class,class_itr->key)) {
2882                         if (!join_hash) continue;
2883
2884                         jsonObject* found =  jsonObjectFindPath(join_hash, "//%s", class_itr->key);
2885                         if (!found->size) {
2886                                 jsonObjectFree(found);
2887                                 continue;
2888                         }
2889
2890                         jsonObjectFree(found);
2891                 }
2892
2893                 jsonIterator* select_itr = jsonNewIterator( snode );
2894                 while ( (node = jsonIteratorNext( select_itr )) ) {
2895                         char* item_str = jsonObjectToSimpleString(node);
2896                         osrfHash* field = osrfHashGet( osrfHashGet( idlClass, "fields" ), item_str );
2897                         free(item_str);
2898                         char* fname = osrfHashGet(field, "name");
2899
2900                         if (!field) continue;
2901
2902                         if (first) {
2903                                 first = 0;
2904                         } else {
2905                                 OSRF_BUFFER_ADD_CHAR(select_buf, ',');
2906                         }
2907
2908             if (locale) {
2909                         char* i18n = osrfHashGet(field, "i18n");
2910                             if (
2911                     jsonBoolIsTrue( jsonObjectGetKey( order_hash, "no_i18n" ) ) ||
2912                     ((int)jsonObjectGetNumber(jsonObjectGetKey( order_hash, "no_i18n" ))) == 1 // support 1/0 for perl's sake
2913                 ) i18n = NULL;
2914
2915                         if ( i18n && !strncasecmp("true", i18n, 4)) {
2916                         char* pkey = osrfHashGet(idlClass, "primarykey");
2917                         char* tname = osrfHashGet(idlClass, "tablename");
2918
2919                     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);
2920                 } else {
2921                                 buffer_fadd(select_buf, " \"%s\".%s", cname, fname);
2922                 }
2923             } else {
2924                             buffer_fadd(select_buf, " \"%s\".%s", cname, fname);
2925             }
2926                 }
2927
2928         jsonIteratorFree(select_itr);
2929         }
2930
2931     jsonIteratorFree(class_itr);
2932
2933         char* col_list = buffer_release(select_buf);
2934         char* table = getSourceDefinition(meta);
2935
2936         buffer_fadd(sql_buf, "SELECT %s FROM %s AS \"%s\"", col_list, table, core_class );
2937         free(col_list);
2938         free(table);
2939
2940         if ( join_hash ) {
2941                 char* join_clause = searchJOIN( join_hash, meta );
2942                 OSRF_BUFFER_ADD_CHAR(sql_buf, ' ');
2943                 OSRF_BUFFER_ADD(sql_buf, join_clause);
2944                 free(join_clause);
2945         }
2946
2947         osrfLogDebug(OSRF_LOG_MARK, "%s pre-predicate SQL =  %s",
2948                                  MODULENAME, OSRF_BUFFER_C_STR(sql_buf));
2949
2950         buffer_add(sql_buf, " WHERE ");
2951
2952         char* pred = searchWHERE( search_hash, meta, AND_OP_JOIN, ctx );
2953         if (!pred) {
2954                 osrfAppSessionStatus(
2955                         ctx->session,
2956                         OSRF_STATUS_INTERNALSERVERERROR,
2957                                 "osrfMethodException",
2958                                 ctx->request,
2959                                 "Severe query error -- see error log for more details"
2960                         );
2961                 buffer_free(sql_buf);
2962                 if(defaultselhash) jsonObjectFree(defaultselhash);
2963                 return NULL;
2964         } else {
2965                 buffer_add(sql_buf, pred);
2966                 free(pred);
2967         }
2968
2969         if (order_hash) {
2970                 char* string = NULL;
2971                 if ( (_tmp = jsonObjectGetKeyConst( order_hash, "order_by" )) ){
2972
2973                         growing_buffer* order_buf = buffer_init(128);
2974
2975                         first = 1;
2976                         jsonIterator* class_itr = jsonNewIterator( _tmp );
2977                         while ( (snode = jsonIteratorNext( class_itr )) ) {
2978
2979                                 if (!jsonObjectGetKeyConst(selhash,class_itr->key))
2980                                         continue;
2981
2982                                 if ( snode->type == JSON_HASH ) {
2983
2984                                         jsonIterator* order_itr = jsonNewIterator( snode );
2985                                         while ( (onode = jsonIteratorNext( order_itr )) ) {
2986
2987                                                 if (!oilsIDLFindPath( "/%s/fields/%s", class_itr->key, order_itr->key ))
2988                                                         continue;
2989
2990                                                 char* direction = NULL;
2991                                                 if ( onode->type == JSON_HASH ) {
2992                                                         if ( jsonObjectGetKeyConst( onode, "transform" ) ) {
2993                                                                 string = searchFieldTransform(
2994                                                                         class_itr->key,
2995                                                                         oilsIDLFindPath( "/%s/fields/%s", class_itr->key, order_itr->key ),
2996                                                                         onode
2997                                                                 );
2998                                                         } else {
2999                                                                 growing_buffer* field_buf = buffer_init(16);
3000                                                                 buffer_fadd(field_buf, "\"%s\".%s", class_itr->key, order_itr->key);
3001                                                                 string = buffer_release(field_buf);
3002                                                         }
3003
3004                                                         if ( (_tmp = jsonObjectGetKeyConst( onode, "direction" )) ) {
3005                                                                 direction = jsonObjectToSimpleString(_tmp);
3006                                                                 if (!strncasecmp(direction, "d", 1)) {
3007                                                                         free(direction);
3008                                                                         direction = " DESC";
3009                                                                 } else {
3010                                                                         free(direction);
3011                                                                         direction = " ASC";
3012                                                                 }
3013                                                         }
3014
3015                                                 } else {
3016                                                         string = strdup(order_itr->key);
3017                                                         direction = jsonObjectToSimpleString(onode);
3018                                                         if (!strncasecmp(direction, "d", 1)) {
3019                                                                 free(direction);
3020                                                                 direction = " DESC";
3021                                                         } else {
3022                                                                 free(direction);
3023                                                                 direction = " ASC";
3024                                                         }
3025                                                 }
3026
3027                                                 if (first) {
3028                                                         first = 0;
3029                                                 } else {
3030                                                         buffer_add(order_buf, ", ");
3031                                                 }
3032
3033                                                 buffer_add(order_buf, string);
3034                                                 free(string);
3035
3036                                                 if (direction) {
3037                                                         buffer_add(order_buf, direction);
3038                                                 }
3039
3040                                         }
3041
3042                     jsonIteratorFree(order_itr);
3043
3044                                 } else {
3045                                         string = jsonObjectToSimpleString(snode);
3046                                         buffer_add(order_buf, string);
3047                                         free(string);
3048                                         break;
3049                                 }
3050
3051                         }
3052
3053             jsonIteratorFree(class_itr);
3054
3055                         string = buffer_release(order_buf);
3056
3057                         if (strlen(string)) {
3058                                 OSRF_BUFFER_ADD( sql_buf, " ORDER BY " );
3059                                 OSRF_BUFFER_ADD( sql_buf, string );
3060                         }
3061
3062                         free(string);
3063                 }
3064
3065                 if ( (_tmp = jsonObjectGetKeyConst( order_hash, "limit" )) ){
3066                         string = jsonObjectToSimpleString(_tmp);
3067                         buffer_fadd(
3068                                 sql_buf,
3069                                 " LIMIT %d",
3070                                 atoi(string)
3071                         );
3072                         free(string);
3073                 }
3074
3075                 _tmp = jsonObjectGetKeyConst( order_hash, "offset" );
3076                 if (_tmp) {
3077                         string = jsonObjectToSimpleString(_tmp);
3078                         buffer_fadd(
3079                                 sql_buf,
3080                                 " OFFSET %d",
3081                                 atoi(string)
3082                         );
3083                         free(string);
3084                 }
3085         }
3086
3087         if (defaultselhash) jsonObjectFree(defaultselhash);
3088
3089         OSRF_BUFFER_ADD_CHAR(sql_buf, ';');
3090         return buffer_release(sql_buf);
3091 }
3092
3093 int doJSONSearch ( osrfMethodContext* ctx ) {
3094         if(osrfMethodVerifyContext( ctx )) {
3095                 osrfLogError( OSRF_LOG_MARK,  "Invalid method context" );
3096                 return -1;
3097         }
3098
3099         osrfLogDebug(OSRF_LOG_MARK, "Recieved query request");
3100
3101         int err = 0;
3102
3103         // XXX for now...
3104         dbhandle = writehandle;
3105
3106         jsonObject* hash = jsonObjectGetIndex(ctx->params, 0);
3107
3108     int flags = 0;
3109
3110         if (jsonBoolIsTrue(jsonObjectGetKey( hash, "distinct" )))
3111          flags |= SELECT_DISTINCT;
3112
3113         if ( ((int)jsonObjectGetNumber(jsonObjectGetKey( hash, "distinct" ))) == 1 ) // support 1/0 for perl's sake
3114          flags |= SELECT_DISTINCT;
3115
3116         if (jsonBoolIsTrue(jsonObjectGetKey( hash, "no_i18n" )))
3117          flags |= DISABLE_I18N;
3118
3119         if ( ((int)jsonObjectGetNumber(jsonObjectGetKey( hash, "no_i18n" ))) == 1 ) // support 1/0 for perl's sake
3120          flags |= DISABLE_I18N;
3121
3122         osrfLogDebug(OSRF_LOG_MARK, "Building SQL ...");
3123         char* sql = SELECT(
3124                         ctx,
3125                         jsonObjectGetKey( hash, "select" ),
3126                         jsonObjectGetKey( hash, "from" ),
3127                         jsonObjectGetKey( hash, "where" ),
3128                         jsonObjectGetKey( hash, "having" ),
3129                         jsonObjectGetKey( hash, "order_by" ),
3130                         jsonObjectGetKey( hash, "limit" ),
3131                         jsonObjectGetKey( hash, "offset" ),
3132                         flags
3133         );
3134
3135         if (!sql) {
3136                 err = -1;
3137                 return err;
3138         }
3139
3140         osrfLogDebug(OSRF_LOG_MARK, "%s SQL =  %s", MODULENAME, sql);
3141         dbi_result result = dbi_conn_query(dbhandle, sql);
3142
3143         if(result) {
3144                 osrfLogDebug(OSRF_LOG_MARK, "Query returned with no errors");
3145
3146                 if (dbi_result_first_row(result)) {
3147                         /* JSONify the result */
3148                         osrfLogDebug(OSRF_LOG_MARK, "Query returned at least one row");
3149
3150                         do {
3151                                 jsonObject* return_val = oilsMakeJSONFromResult( result );
3152                                 osrfAppRespond( ctx, return_val );
3153                 jsonObjectFree( return_val );
3154                         } while (dbi_result_next_row(result));
3155
3156                 } else {
3157                         osrfLogDebug(OSRF_LOG_MARK, "%s returned no results for query %s", MODULENAME, sql);
3158                 }
3159
3160                 osrfAppRespondComplete( ctx, NULL );
3161
3162                 /* clean up the query */
3163                 dbi_result_free(result);
3164
3165         } else {
3166                 err = -1;
3167                 osrfLogError(OSRF_LOG_MARK, "%s: Error with query [%s]", MODULENAME, sql);
3168                 osrfAppSessionStatus(
3169                         ctx->session,
3170                         OSRF_STATUS_INTERNALSERVERERROR,
3171                         "osrfMethodException",
3172                         ctx->request,
3173                         "Severe query error -- see error log for more details"
3174                 );
3175         }
3176
3177         free(sql);
3178         return err;
3179 }
3180
3181 static jsonObject* doFieldmapperSearch ( osrfMethodContext* ctx, osrfHash* meta,
3182                 const jsonObject* params, int* err ) {
3183
3184         // XXX for now...
3185         dbhandle = writehandle;
3186
3187         osrfHash* links = osrfHashGet(meta, "links");
3188         osrfHash* fields = osrfHashGet(meta, "fields");
3189         char* core_class = osrfHashGet(meta, "classname");
3190         char* pkey = osrfHashGet(meta, "primarykey");
3191
3192         const jsonObject* _tmp;
3193         jsonObject* obj;
3194         jsonObject* search_hash = jsonObjectGetIndex(params, 0);
3195         jsonObject* order_hash = jsonObjectGetIndex(params, 1);
3196
3197         char* sql = buildSELECT( search_hash, order_hash, meta, ctx );
3198         if (!sql) {
3199                 osrfLogDebug(OSRF_LOG_MARK, "Problem building query, returning NULL");
3200                 *err = -1;
3201                 return NULL;
3202         }
3203
3204         osrfLogDebug(OSRF_LOG_MARK, "%s SQL =  %s", MODULENAME, sql);
3205
3206         dbi_result result = dbi_conn_query(dbhandle, sql);
3207         if( NULL == result ) {
3208                 osrfLogError(OSRF_LOG_MARK, "%s: Error retrieving %s with query [%s]",
3209                         MODULENAME, osrfHashGet(meta, "fieldmapper"), sql);
3210                 osrfAppSessionStatus(
3211                         ctx->session,
3212                         OSRF_STATUS_INTERNALSERVERERROR,
3213                         "osrfMethodException",
3214                         ctx->request,
3215                         "Severe query error -- see error log for more details"
3216                 );
3217                 *err = -1;
3218                 free(sql);
3219                 return jsonNULL;
3220
3221         } else {
3222                 osrfLogDebug(OSRF_LOG_MARK, "Query returned with no errors");
3223         }
3224
3225         jsonObject* res_list = jsonNewObjectType(JSON_ARRAY);
3226         osrfHash* dedup = osrfNewHash();
3227
3228         if (dbi_result_first_row(result)) {
3229                 /* JSONify the result */
3230                 osrfLogDebug(OSRF_LOG_MARK, "Query returned at least one row");
3231                 do {
3232                         obj = oilsMakeFieldmapperFromResult( result, meta );
3233                         char* pkey_val = oilsFMGetString( obj, pkey );
3234                         if ( osrfHashGet( dedup, pkey_val ) ) {
3235                                 jsonObjectFree(obj);
3236                                 free(pkey_val);
3237                         } else {
3238                                 osrfHashSet( dedup, pkey_val, pkey_val );
3239                                 jsonObjectPush(res_list, obj);
3240                         }
3241                 } while (dbi_result_next_row(result));
3242         } else {
3243                 osrfLogDebug(OSRF_LOG_MARK, "%s returned no results for query %s",
3244                         MODULENAME, sql );
3245         }
3246
3247         osrfHashFree(dedup);
3248         /* clean up the query */
3249         dbi_result_free(result);
3250         free(sql);
3251
3252         if (res_list->size && order_hash) {
3253                 _tmp = jsonObjectGetKeyConst( order_hash, "flesh" );
3254                 if (_tmp) {
3255                         int x = (int)jsonObjectGetNumber(_tmp);
3256                         if (x == -1 || x > max_flesh_depth) x = max_flesh_depth;
3257
3258                         const jsonObject* temp_blob;
3259                         if ((temp_blob = jsonObjectGetKeyConst( order_hash, "flesh_fields" )) && x > 0) {
3260
3261                                 jsonObject* flesh_blob = jsonObjectClone( temp_blob );
3262                                 const jsonObject* flesh_fields = jsonObjectGetKeyConst( flesh_blob, core_class );
3263
3264                                 osrfStringArray* link_fields = NULL;
3265
3266                                 if (flesh_fields) {
3267                                         if (flesh_fields->size == 1) {
3268                                                 char* _t = jsonObjectToSimpleString( jsonObjectGetIndex( flesh_fields, 0 ) );
3269                                                 if (!strcmp(_t,"*")) link_fields = osrfHashKeys( links );
3270                                                 free(_t);
3271                                         }
3272
3273                                         if (!link_fields) {
3274                                                 jsonObject* _f;
3275                                                 link_fields = osrfNewStringArray(1);
3276                                                 jsonIterator* _i = jsonNewIterator( flesh_fields );
3277                                                 while ((_f = jsonIteratorNext( _i ))) {
3278                                                         osrfStringArrayAdd( link_fields, jsonObjectToSimpleString( _f ) );
3279                                                 }
3280                         jsonIteratorFree(_i);
3281                                         }
3282                                 }
3283
3284                                 jsonObject* cur;
3285                                 jsonIterator* itr = jsonNewIterator( res_list );
3286                                 while ((cur = jsonIteratorNext( itr ))) {
3287
3288                                         int i = 0;
3289                                         char* link_field;
3290
3291                                         while ( (link_field = osrfStringArrayGetString(link_fields, i++)) ) {
3292
3293                                                 osrfLogDebug(OSRF_LOG_MARK, "Starting to flesh %s", link_field);
3294
3295                                                 osrfHash* kid_link = osrfHashGet(links, link_field);
3296                                                 if (!kid_link) continue;
3297
3298                                                 osrfHash* field = osrfHashGet(fields, link_field);
3299                                                 if (!field) continue;
3300
3301                                                 osrfHash* value_field = field;
3302
3303                                                 osrfHash* kid_idl = osrfHashGet(oilsIDL(), osrfHashGet(kid_link, "class"));
3304                                                 if (!kid_idl) continue;
3305
3306                                                 if (!(strcmp( osrfHashGet(kid_link, "reltype"), "has_many" ))) { // has_many
3307                                                         value_field = osrfHashGet( fields, osrfHashGet(meta, "primarykey") );
3308                                                 }
3309
3310                                                 if (!(strcmp( osrfHashGet(kid_link, "reltype"), "might_have" ))) { // might_have
3311                                                         value_field = osrfHashGet( fields, osrfHashGet(meta, "primarykey") );
3312                                                 }
3313
3314                                                 osrfStringArray* link_map = osrfHashGet( kid_link, "map" );
3315
3316                                                 if (link_map->size > 0) {
3317                                                         jsonObject* _kid_key = jsonNewObjectType(JSON_ARRAY);
3318                                                         jsonObjectPush(
3319                                                                 _kid_key,
3320                                                                 jsonNewObject( osrfStringArrayGetString( link_map, 0 ) )
3321                                                         );
3322
3323                                                         jsonObjectSetKey(
3324                                                                 flesh_blob,
3325                                                                 osrfHashGet(kid_link, "class"),
3326                                                                 _kid_key
3327                                                         );
3328                                                 };
3329
3330                                                 osrfLogDebug(
3331                                                         OSRF_LOG_MARK,
3332                                                         "Link field: %s, remote class: %s, fkey: %s, reltype: %s",
3333                                                         osrfHashGet(kid_link, "field"),
3334                                                         osrfHashGet(kid_link, "class"),
3335                                                         osrfHashGet(kid_link, "key"),
3336                                                         osrfHashGet(kid_link, "reltype")
3337                                                 );
3338
3339                                                 jsonObject* fake_params = jsonNewObjectType(JSON_ARRAY);
3340                                                 jsonObjectPush(fake_params, jsonNewObjectType(JSON_HASH)); // search hash
3341                                                 jsonObjectPush(fake_params, jsonNewObjectType(JSON_HASH)); // order/flesh hash
3342
3343                                                 osrfLogDebug(OSRF_LOG_MARK, "Creating dummy params object...");
3344
3345                                                 char* search_key =
3346                                                 jsonObjectToSimpleString(
3347                                                         jsonObjectGetIndex(
3348                                                                 cur,
3349                                                                 atoi( osrfHashGet(value_field, "array_position") )
3350                                                         )
3351                                                 );
3352
3353                                                 if (!search_key) {
3354                                                         osrfLogDebug(OSRF_LOG_MARK, "Nothing to search for!");
3355                                                         continue;
3356                                                 }
3357
3358                                                 jsonObjectSetKey(
3359                                                         jsonObjectGetIndex(fake_params, 0),
3360                                                         osrfHashGet(kid_link, "key"),
3361                                                         jsonNewObject( search_key )
3362                                                 );
3363
3364                                                 free(search_key);
3365
3366
3367                                                 jsonObjectSetKey(
3368                                                         jsonObjectGetIndex(fake_params, 1),
3369                                                         "flesh",
3370                                                         jsonNewNumberObject( (double)(x - 1 + link_map->size) )
3371                                                 );
3372
3373                                                 if (flesh_blob)
3374                                                         jsonObjectSetKey( jsonObjectGetIndex(fake_params, 1), "flesh_fields", jsonObjectClone(flesh_blob) );
3375
3376                                                 if (jsonObjectGetKeyConst(order_hash, "order_by")) {
3377                                                         jsonObjectSetKey(
3378                                                                 jsonObjectGetIndex(fake_params, 1),
3379                                                                 "order_by",
3380                                                                 jsonObjectClone(jsonObjectGetKeyConst(order_hash, "order_by"))
3381                                                         );
3382                                                 }
3383
3384                                                 if (jsonObjectGetKeyConst(order_hash, "select")) {
3385                                                         jsonObjectSetKey(
3386                                                                 jsonObjectGetIndex(fake_params, 1),
3387                                                                 "select",
3388                                                                 jsonObjectClone(jsonObjectGetKeyConst(order_hash, "select"))
3389                                                         );
3390                                                 }
3391
3392                                                 jsonObject* kids = doFieldmapperSearch(ctx, kid_idl, fake_params, err);
3393
3394                                                 if(*err) {
3395                                                         jsonObjectFree( fake_params );
3396                                                         osrfStringArrayFree(link_fields);
3397                                                         jsonIteratorFree(itr);
3398                                                         jsonObjectFree(res_list);
3399                                                         jsonObjectFree(flesh_blob);
3400                                                         return jsonNULL;
3401                                                 }
3402
3403                                                 osrfLogDebug(OSRF_LOG_MARK, "Search for %s return %d linked objects", osrfHashGet(kid_link, "class"), kids->size);
3404
3405                                                 jsonObject* X = NULL;
3406                                                 if ( link_map->size > 0 && kids->size > 0 ) {
3407                                                         X = kids;
3408                                                         kids = jsonNewObjectType(JSON_ARRAY);
3409
3410                                                         jsonObject* _k_node;
3411                                                         jsonIterator* _k = jsonNewIterator( X );
3412                                                         while ((_k_node = jsonIteratorNext( _k ))) {
3413                                                                 jsonObjectPush(
3414                                                                         kids,
3415                                                                         jsonObjectClone(
3416                                                                                 jsonObjectGetIndex(
3417                                                                                         _k_node,
3418                                                                                         (unsigned long)atoi(
3419                                                                                                 osrfHashGet(
3420                                                                                                         osrfHashGet(
3421                                                                                                                 osrfHashGet(
3422                                                                                                                         osrfHashGet(
3423                                                                                                                                 oilsIDL(),
3424                                                                                                                                 osrfHashGet(kid_link, "class")
3425                                                                                                                         ),
3426                                                                                                                         "fields"
3427                                                                                                                 ),
3428                                                                                                                 osrfStringArrayGetString( link_map, 0 )
3429                                                                                                         ),
3430                                                                                                         "array_position"
3431                                                                                                 )
3432                                                                                         )
3433                                                                                 )
3434                                                                         )
3435                                                                 );
3436                                                         }
3437                                                         jsonIteratorFree(_k);
3438                                                 }
3439
3440                                                 if (!(strcmp( osrfHashGet(kid_link, "reltype"), "has_a" )) || !(strcmp( osrfHashGet(kid_link, "reltype"), "might_have" ))) {
3441                                                         osrfLogDebug(OSRF_LOG_MARK, "Storing fleshed objects in %s", osrfHashGet(kid_link, "field"));
3442                                                         jsonObjectSetIndex(
3443                                                                 cur,
3444                                                                 (unsigned long)atoi( osrfHashGet( field, "array_position" ) ),
3445                                                                 jsonObjectClone( jsonObjectGetIndex(kids, 0) )
3446                                                         );
3447                                                 }
3448
3449                                                 if (!(strcmp( osrfHashGet(kid_link, "reltype"), "has_many" ))) { // has_many
3450                                                         osrfLogDebug(OSRF_LOG_MARK, "Storing fleshed objects in %s", osrfHashGet(kid_link, "field"));
3451                                                         jsonObjectSetIndex(
3452                                                                 cur,
3453                                                                 (unsigned long)atoi( osrfHashGet( field, "array_position" ) ),
3454                                                                 jsonObjectClone( kids )
3455                                                         );
3456                                                 }
3457
3458                                                 if (X) {
3459                                                         jsonObjectFree(kids);
3460                                                         kids = X;
3461                                                 }
3462
3463                                                 jsonObjectFree( kids );
3464                                                 jsonObjectFree( fake_params );
3465
3466                                                 osrfLogDebug(OSRF_LOG_MARK, "Fleshing of %s complete", osrfHashGet(kid_link, "field"));
3467                                                 osrfLogDebug(OSRF_LOG_MARK, "%s", jsonObjectToJSON(cur));
3468
3469                                         }
3470                                 }
3471                                 jsonObjectFree( flesh_blob );
3472                                 osrfStringArrayFree(link_fields);
3473                                 jsonIteratorFree(itr);
3474                         }
3475                 }
3476         }
3477
3478         return res_list;
3479 }
3480
3481
3482 static jsonObject* doUpdate(osrfMethodContext* ctx, int* err ) {
3483
3484         osrfHash* meta = osrfHashGet( (osrfHash*) ctx->method->userData, "class" );
3485 #ifdef PCRUD
3486         jsonObject* target = jsonObjectGetIndex( ctx->params, 1 );
3487 #else
3488         jsonObject* target = jsonObjectGetIndex( ctx->params, 0 );
3489 #endif
3490
3491         if (!verifyObjectClass(ctx, target)) {
3492                 *err = -1;
3493                 return jsonNULL;
3494         }
3495
3496         if (!osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )) {
3497                 osrfAppSessionStatus(
3498                         ctx->session,
3499                         OSRF_STATUS_BADREQUEST,
3500                         "osrfMethodException",
3501                         ctx->request,
3502                         "No active transaction -- required for UPDATE"
3503                 );
3504                 *err = -1;
3505                 return jsonNULL;
3506         }
3507
3508         if (osrfHashGet( meta, "readonly" ) && strncasecmp("true", osrfHashGet( meta, "readonly" ), 4)) {
3509                 osrfAppSessionStatus(
3510                         ctx->session,
3511                         OSRF_STATUS_BADREQUEST,
3512                         "osrfMethodException",
3513                         ctx->request,
3514                         "Cannot UPDATE readonly class"
3515                 );
3516                 *err = -1;
3517                 return jsonNULL;
3518         }
3519
3520         dbhandle = writehandle;
3521
3522         char* trans_id = osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" );
3523
3524         // Set the last_xact_id
3525         int index = oilsIDL_ntop( target->classname, "last_xact_id" );
3526         if (index > -1) {
3527                 osrfLogDebug(OSRF_LOG_MARK, "Setting last_xact_id to %s on %s at position %d", trans_id, target->classname, index);
3528                 jsonObjectSetIndex(target, index, jsonNewObject(trans_id));
3529         }
3530
3531         char* pkey = osrfHashGet(meta, "primarykey");
3532         osrfHash* fields = osrfHashGet(meta, "fields");
3533
3534         char* id = oilsFMGetString( target, pkey );
3535
3536         osrfLogDebug(
3537                 OSRF_LOG_MARK,
3538                 "%s updating %s object with %s = %s",
3539                 MODULENAME,
3540                 osrfHashGet(meta, "fieldmapper"),
3541                 pkey,
3542                 id
3543         );
3544
3545         growing_buffer* sql = buffer_init(128);
3546         buffer_fadd(sql,"UPDATE %s SET", osrfHashGet(meta, "tablename"));
3547
3548         int i = 0;
3549         int first = 1;
3550         char* field_name;
3551         osrfStringArray* field_list = osrfHashKeys( fields );
3552         while ( (field_name = osrfStringArrayGetString(field_list, i++)) ) {
3553
3554                 osrfHash* field = osrfHashGet( fields, field_name );
3555
3556                 if(!( strcmp( field_name, pkey ) )) continue;
3557                 if(!( strcmp( osrfHashGet(osrfHashGet(fields,field_name), "virtual"), "true" ) )) continue;
3558
3559                 const jsonObject* field_object = oilsFMGetObject( target, field_name );
3560
3561                 char* value;
3562                 if (field_object && field_object->classname) {
3563                         value = oilsFMGetString(
3564                                 field_object,
3565                                 (char*)oilsIDLFindPath("/%s/primarykey", field_object->classname)
3566             );
3567                 } else {
3568                         value = jsonObjectToSimpleString( field_object );
3569                 }
3570
3571                 osrfLogDebug( OSRF_LOG_MARK, "Updating %s object with %s = %s", osrfHashGet(meta, "fieldmapper"), field_name, value);
3572
3573                 if (!field_object || field_object->type == JSON_NULL) {
3574                         if ( !(!( strcmp( osrfHashGet(meta, "classname"), "au" ) ) && !( strcmp( field_name, "passwd" ) )) ) { // arg at the special case!
3575                                 if (first) first = 0;
3576                                 else OSRF_BUFFER_ADD_CHAR(sql, ',');
3577                                 buffer_fadd( sql, " %s = NULL", field_name );
3578                         }
3579
3580                 } else if ( !strcmp(osrfHashGet(field, "primitive"), "number") ) {
3581                         if (first) first = 0;
3582                         else OSRF_BUFFER_ADD_CHAR(sql, ',');
3583
3584                         if ( !strncmp(osrfHashGet(field, "datatype"), "INT", (size_t)3) ) {
3585                                 buffer_fadd( sql, " %s = %ld", field_name, atol(value) );
3586                         } else if ( !strcmp(osrfHashGet(field, "datatype"), "NUMERIC") ) {
3587                                 buffer_fadd( sql, " %s = %f", field_name, atof(value) );
3588                         }
3589
3590                         osrfLogDebug( OSRF_LOG_MARK, "%s is of type %s", field_name, osrfHashGet(field, "datatype"));
3591
3592                 } else {
3593                         if ( dbi_conn_quote_string(dbhandle, &value) ) {
3594                                 if (first) first = 0;
3595                                 else OSRF_BUFFER_ADD_CHAR(sql, ',');
3596                                 buffer_fadd( sql, " %s = %s", field_name, value );
3597
3598                         } else {
3599                                 osrfLogError(OSRF_LOG_MARK, "%s: Error quoting string [%s]", MODULENAME, value);
3600                                 osrfAppSessionStatus(
3601                                         ctx->session,
3602                                         OSRF_STATUS_INTERNALSERVERERROR,
3603                                         "osrfMethodException",
3604                                         ctx->request,
3605                                         "Error quoting string -- please see the error log for more details"
3606                                 );
3607                                 free(value);
3608                                 free(id);
3609                                 buffer_free(sql);
3610                                 *err = -1;
3611                                 return jsonNULL;
3612                         }
3613                 }
3614
3615                 free(value);
3616
3617         }
3618
3619         jsonObject* obj = jsonNewObject(id);
3620
3621         if ( strcmp( osrfHashGet( osrfHashGet( osrfHashGet(meta, "fields"), pkey ), "primitive" ), "number" ) )
3622                 dbi_conn_quote_string(dbhandle, &id);
3623
3624         buffer_fadd( sql, " WHERE %s = %s;", pkey, id );
3625
3626         char* query = buffer_release(sql);
3627         osrfLogDebug(OSRF_LOG_MARK, "%s: Update SQL [%s]", MODULENAME, query);
3628
3629         dbi_result result = dbi_conn_query(dbhandle, query);
3630         free(query);
3631
3632         if (!result) {
3633                 jsonObjectFree(obj);
3634                 obj = jsonNewObject(NULL);
3635                 osrfLogError(
3636                         OSRF_LOG_MARK,
3637                         "%s ERROR updating %s object with %s = %s",
3638                         MODULENAME,
3639                         osrfHashGet(meta, "fieldmapper"),
3640                         pkey,
3641                         id
3642                 );
3643         }
3644
3645         free(id);
3646
3647         return obj;
3648 }
3649
3650 static jsonObject* doDelete(osrfMethodContext* ctx, int* err ) {
3651
3652         osrfHash* meta = osrfHashGet( (osrfHash*) ctx->method->userData, "class" );
3653
3654         if (!osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )) {
3655                 osrfAppSessionStatus(
3656                         ctx->session,
3657                         OSRF_STATUS_BADREQUEST,
3658                         "osrfMethodException",
3659                         ctx->request,
3660                         "No active transaction -- required for DELETE"
3661                 );
3662                 *err = -1;
3663                 return jsonNULL;
3664         }
3665
3666         if (osrfHashGet( meta, "readonly" ) && strncasecmp("true", osrfHashGet( meta, "readonly" ), 4)) {
3667                 osrfAppSessionStatus(
3668                         ctx->session,
3669                         OSRF_STATUS_BADREQUEST,
3670                         "osrfMethodException",
3671                         ctx->request,
3672                         "Cannot DELETE readonly class"
3673                 );
3674                 *err = -1;
3675                 return jsonNULL;
3676         }
3677
3678         dbhandle = writehandle;
3679
3680         jsonObject* obj;
3681
3682         char* pkey = osrfHashGet(meta, "primarykey");
3683
3684         int _obj_pos = 0;
3685 #ifdef PCRUD
3686                 _obj_pos = 1;
3687 #endif
3688
3689         char* id;
3690         if (jsonObjectGetIndex(ctx->params, _obj_pos)->classname) {
3691                 if (!verifyObjectClass(ctx, jsonObjectGetIndex( ctx->params, _obj_pos ))) {
3692                         *err = -1;
3693                         return jsonNULL;
3694                 }
3695
3696                 id = oilsFMGetString( jsonObjectGetIndex(ctx->params, _obj_pos), pkey );
3697         } else {
3698 #ifdef PCRUD
3699         if (!verifyObjectPCRUD( ctx, NULL )) {
3700                         *err = -1;
3701                         return jsonNULL;
3702         }
3703 #endif
3704                 id = jsonObjectToSimpleString(jsonObjectGetIndex(ctx->params, _obj_pos));
3705         }
3706
3707         osrfLogDebug(
3708                 OSRF_LOG_MARK,
3709                 "%s deleting %s object with %s = %s",
3710                 MODULENAME,
3711                 osrfHashGet(meta, "fieldmapper"),
3712                 pkey,
3713                 id
3714         );
3715
3716         obj = jsonNewObject(id);
3717
3718         if ( strcmp( osrfHashGet( osrfHashGet( osrfHashGet(meta, "fields"), pkey ), "primitive" ), "number" ) )
3719                 dbi_conn_quote_string(writehandle, &id);
3720
3721         dbi_result result = dbi_conn_queryf(writehandle, "DELETE FROM %s WHERE %s = %s;", osrfHashGet(meta, "tablename"), pkey, id);
3722
3723         if (!result) {
3724                 jsonObjectFree(obj);
3725                 obj = jsonNewObject(NULL);
3726                 osrfLogError(
3727                         OSRF_LOG_MARK,
3728                         "%s ERROR deleting %s object with %s = %s",
3729                         MODULENAME,
3730                         osrfHashGet(meta, "fieldmapper"),
3731                         pkey,
3732                         id
3733                 );
3734         }
3735
3736         free(id);
3737
3738         return obj;
3739
3740 }
3741
3742
3743 static jsonObject* oilsMakeFieldmapperFromResult( dbi_result result, osrfHash* meta) {
3744         if(!(result && meta)) return jsonNULL;
3745
3746         jsonObject* object = jsonNewObject(NULL);
3747         jsonObjectSetClass(object, osrfHashGet(meta, "classname"));
3748
3749         osrfHash* fields = osrfHashGet(meta, "fields");
3750
3751         osrfLogInternal(OSRF_LOG_MARK, "Setting object class to %s ", object->classname);
3752
3753         osrfHash* _f;
3754         time_t _tmp_dt;
3755         char dt_string[256];
3756         struct tm gmdt;
3757
3758         int fmIndex;
3759         int columnIndex = 1;
3760         int attr;
3761         unsigned short type;
3762         const char* columnName;
3763
3764         /* cycle through the column list */
3765         while( (columnName = dbi_result_get_field_name(result, columnIndex++)) ) {
3766
3767                 osrfLogInternal(OSRF_LOG_MARK, "Looking for column named [%s]...", (char*)columnName);
3768
3769                 fmIndex = -1; // reset the position
3770
3771                 /* determine the field type and storage attributes */
3772                 type = dbi_result_get_field_type(result, columnName);
3773                 attr = dbi_result_get_field_attribs(result, columnName);
3774
3775                 /* fetch the fieldmapper index */
3776                 if( (_f = osrfHashGet(fields, (char*)columnName)) ) {
3777                         char* virt = (char*)osrfHashGet(_f, "virtual");
3778                         char* pos = (char*)osrfHashGet(_f, "array_position");
3779
3780                         if ( !virt || !pos || !(strcmp( virt, "true" )) ) continue;
3781
3782                         fmIndex = atoi( pos );
3783                         osrfLogInternal(OSRF_LOG_MARK, "... Found column at position [%s]...", pos);
3784                 } else {
3785                         continue;
3786                 }
3787
3788                 if (dbi_result_field_is_null(result, columnName)) {
3789                         jsonObjectSetIndex( object, fmIndex, jsonNewObject(NULL) );
3790                 } else {
3791
3792                         switch( type ) {
3793
3794                                 case DBI_TYPE_INTEGER :
3795
3796                                         if( attr & DBI_INTEGER_SIZE8 )
3797                                                 jsonObjectSetIndex( object, fmIndex,
3798                                                         jsonNewNumberObject(dbi_result_get_longlong(result, columnName)));
3799                                         else
3800                                                 jsonObjectSetIndex( object, fmIndex,
3801                                                         jsonNewNumberObject(dbi_result_get_int(result, columnName)));
3802
3803                                         break;
3804
3805                                 case DBI_TYPE_DECIMAL :
3806                                         jsonObjectSetIndex( object, fmIndex,
3807                                                         jsonNewNumberObject(dbi_result_get_double(result, columnName)));
3808                                         break;
3809
3810                                 case DBI_TYPE_STRING :
3811
3812
3813                                         jsonObjectSetIndex(
3814                                                 object,
3815                                                 fmIndex,
3816                                                 jsonNewObject( dbi_result_get_string(result, columnName) )
3817                                         );
3818
3819                                         break;
3820
3821                                 case DBI_TYPE_DATETIME :
3822
3823                                         memset(dt_string, '\0', sizeof(dt_string));
3824                                         memset(&gmdt, '\0', sizeof(gmdt));
3825
3826                                         _tmp_dt = dbi_result_get_datetime(result, columnName);
3827
3828
3829                                         if (!(attr & DBI_DATETIME_DATE)) {
3830                                                 gmtime_r( &_tmp_dt, &gmdt );
3831                                                 strftime(dt_string, sizeof(dt_string), "%T", &gmdt);
3832                                         } else if (!(attr & DBI_DATETIME_TIME)) {
3833                                                 localtime_r( &_tmp_dt, &gmdt );
3834                                                 strftime(dt_string, sizeof(dt_string), "%F", &gmdt);
3835                                         } else {
3836                                                 localtime_r( &_tmp_dt, &gmdt );
3837                                                 strftime(dt_string, sizeof(dt_string), "%FT%T%z", &gmdt);
3838                                         }
3839
3840                                         jsonObjectSetIndex( object, fmIndex, jsonNewObject(dt_string) );
3841
3842                                         break;
3843
3844                                 case DBI_TYPE_BINARY :
3845                                         osrfLogError( OSRF_LOG_MARK,
3846                                                 "Can't do binary at column %s : index %d", columnName, columnIndex - 1);
3847                         }
3848                 }
3849         }
3850
3851         return object;
3852 }
3853
3854 static jsonObject* oilsMakeJSONFromResult( dbi_result result ) {
3855         if(!result) return jsonNULL;
3856
3857         jsonObject* object = jsonNewObject(NULL);
3858
3859         time_t _tmp_dt;
3860         char dt_string[256];
3861         struct tm gmdt;
3862
3863         int fmIndex;
3864         int columnIndex = 1;
3865         int attr;
3866         unsigned short type;
3867         const char* columnName;
3868
3869         /* cycle through the column list */
3870         while( (columnName = dbi_result_get_field_name(result, columnIndex++)) ) {
3871
3872                 osrfLogInternal(OSRF_LOG_MARK, "Looking for column named [%s]...", (char*)columnName);
3873
3874                 fmIndex = -1; // reset the position
3875
3876                 /* determine the field type and storage attributes */
3877                 type = dbi_result_get_field_type(result, columnName);
3878                 attr = dbi_result_get_field_attribs(result, columnName);
3879
3880                 if (dbi_result_field_is_null(result, columnName)) {
3881                         jsonObjectSetKey( object, columnName, jsonNewObject(NULL) );
3882                 } else {
3883
3884                         switch( type ) {
3885
3886                                 case DBI_TYPE_INTEGER :
3887
3888                                         if( attr & DBI_INTEGER_SIZE8 )
3889                                                 jsonObjectSetKey( object, columnName, jsonNewNumberObject(dbi_result_get_longlong(result, columnName)) );
3890                                         else
3891                                                 jsonObjectSetKey( object, columnName, jsonNewNumberObject(dbi_result_get_int(result, columnName)) );
3892                                         break;
3893
3894                                 case DBI_TYPE_DECIMAL :
3895                                         jsonObjectSetKey( object, columnName, jsonNewNumberObject(dbi_result_get_double(result, columnName)) );
3896                                         break;
3897
3898                                 case DBI_TYPE_STRING :
3899                                         jsonObjectSetKey( object, columnName, jsonNewObject(dbi_result_get_string(result, columnName)) );
3900                                         break;
3901
3902                                 case DBI_TYPE_DATETIME :
3903
3904                                         memset(dt_string, '\0', sizeof(dt_string));
3905                                         memset(&gmdt, '\0', sizeof(gmdt));
3906
3907                                         _tmp_dt = dbi_result_get_datetime(result, columnName);
3908
3909
3910                                         if (!(attr & DBI_DATETIME_DATE)) {
3911                                                 gmtime_r( &_tmp_dt, &gmdt );
3912                                                 strftime(dt_string, sizeof(dt_string), "%T", &gmdt);
3913                                         } else if (!(attr & DBI_DATETIME_TIME)) {
3914                                                 localtime_r( &_tmp_dt, &gmdt );
3915                                                 strftime(dt_string, sizeof(dt_string), "%F", &gmdt);
3916                                         } else {
3917                                                 localtime_r( &_tmp_dt, &gmdt );
3918                                                 strftime(dt_string, sizeof(dt_string), "%FT%T%z", &gmdt);
3919                                         }
3920
3921                                         jsonObjectSetKey( object, columnName, jsonNewObject(dt_string) );
3922                                         break;
3923
3924                                 case DBI_TYPE_BINARY :
3925                                         osrfLogError( OSRF_LOG_MARK,
3926                                                 "Can't do binary at column %s : index %d", columnName, columnIndex - 1);
3927                         }
3928                 }
3929         }
3930
3931         return object;
3932 }
3933