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 static int str_is_true( const char* str );
  76 static int obj_is_true( const jsonObject* obj );
  77
  78 #ifdef PCRUD
  79 static jsonObject* verifyUserPCRUD( osrfMethodContext* );
  80 static int verifyObjectPCRUD( osrfMethodContext*, const jsonObject* );
  81 #endif
  82
  83 static dbi_conn writehandle; /* our MASTER db connection */
  84 static dbi_conn dbhandle; /* our CURRENT db connection */
  85 //static osrfHash * readHandles;
  86 static jsonObject* jsonNULL = NULL; //
  87 static int max_flesh_depth = 100;
  88
  89 /* called when this process is about to exit */
  90 void osrfAppChildExit() {
  91     osrfLogDebug(OSRF_LOG_MARK, "Child is exiting, disconnecting from database...");
  92
  93     int same = 0;
  94     if (writehandle == dbhandle) same = 1;
  95     if (writehandle) {
  96         dbi_conn_query(writehandle, "ROLLBACK;");
  97         dbi_conn_close(writehandle);
  98         writehandle = NULL;
  99     }
 100     if (dbhandle && !same)
 101         dbi_conn_close(dbhandle);
 102
 103     // XXX add cleanup of readHandles whenever that gets used
 104
 105     return;
 106 }
 107
 108 int osrfAppInitialize() {
 109
 110     osrfLogInfo(OSRF_LOG_MARK, "Initializing the CStore Server...");
 111     osrfLogInfo(OSRF_LOG_MARK, "Finding XML file...");
 112
 113     if (!oilsIDLInit( osrf_settings_host_value("/IDL") )) return 1; /* return non-zero to indicate error */
 114
 115     growing_buffer* method_name = buffer_init(64);
 116 #ifndef PCRUD
 117     // Generic search thingy
 118     buffer_add(method_name, MODULENAME);
 119         buffer_add(method_name, ".json_query");
 120         osrfAppRegisterMethod( MODULENAME, OSRF_BUFFER_C_STR(method_name),
 121                                                    "doJSONSearch", "", 1, OSRF_METHOD_STREAMING );
 122 #endif
 123
 124     // first we register all the transaction and savepoint methods
 125     buffer_reset(method_name);
 126         OSRF_BUFFER_ADD(method_name, MODULENAME);
 127         OSRF_BUFFER_ADD(method_name, ".transaction.begin");
 128         osrfAppRegisterMethod( MODULENAME, OSRF_BUFFER_C_STR(method_name),
 129                                                    "beginTransaction", "", 0, 0 );
 130
 131     buffer_reset(method_name);
 132         OSRF_BUFFER_ADD(method_name, MODULENAME);
 133         OSRF_BUFFER_ADD(method_name, ".transaction.commit");
 134         osrfAppRegisterMethod( MODULENAME, OSRF_BUFFER_C_STR(method_name),
 135                                                    "commitTransaction", "", 0, 0 );
 136
 137     buffer_reset(method_name);
 138         OSRF_BUFFER_ADD(method_name, MODULENAME);
 139         OSRF_BUFFER_ADD(method_name, ".transaction.rollback");
 140         osrfAppRegisterMethod( MODULENAME, OSRF_BUFFER_C_STR(method_name),
 141                                                    "rollbackTransaction", "", 0, 0 );
 142
 143     buffer_reset(method_name);
 144         OSRF_BUFFER_ADD(method_name, MODULENAME);
 145         OSRF_BUFFER_ADD(method_name, ".savepoint.set");
 146         osrfAppRegisterMethod( MODULENAME, OSRF_BUFFER_C_STR(method_name),
 147                                                    "setSavepoint", "", 1, 0 );
 148
 149     buffer_reset(method_name);
 150         OSRF_BUFFER_ADD(method_name, MODULENAME);
 151         OSRF_BUFFER_ADD(method_name, ".savepoint.release");
 152         osrfAppRegisterMethod( MODULENAME, OSRF_BUFFER_C_STR(method_name),
 153                                                    "releaseSavepoint", "", 1, 0 );
 154
 155     buffer_reset(method_name);
 156         OSRF_BUFFER_ADD(method_name, MODULENAME);
 157         OSRF_BUFFER_ADD(method_name, ".savepoint.rollback");
 158         osrfAppRegisterMethod( MODULENAME, OSRF_BUFFER_C_STR(method_name),
 159                                                    "rollbackSavepoint", "", 1, 0 );
 160
 161     buffer_free(method_name);
 162
 163         static const char* global_method[] = {
 164                 "create",
 165                 "retrieve",
 166                 "update",
 167                 "delete",
 168                 "search",
 169                 "id_list"
 170         };
 171         const int global_method_count
 172                 = sizeof( global_method ) / sizeof ( global_method[0] );
 173
 174     int c_index = 0;
 175     char* classname;
 176     osrfStringArray* classes = osrfHashKeys( oilsIDL() );
 177     osrfLogDebug(OSRF_LOG_MARK, "%d classes loaded", classes->size );
 178     osrfLogDebug(OSRF_LOG_MARK,
 179                 "At least %d methods will be generated", classes->size * global_method_count);
 180
 181     while ( (classname = osrfStringArrayGetString(classes, c_index++)) ) {
 182         osrfLogInfo(OSRF_LOG_MARK, "Generating class methods for %s", classname);
 183
 184         osrfHash* idlClass = osrfHashGet(oilsIDL(), classname);
 185
 186         if (!osrfStringArrayContains( osrfHashGet(idlClass, "controller"), MODULENAME )) {
 187             osrfLogInfo(OSRF_LOG_MARK, "%s is not listed as a controller for %s, moving on", MODULENAME, classname);
 188             continue;
 189         }
 190
 191                 if ( str_is_true( osrfHashGet(idlClass, "virtual") ) ) {
 192                         osrfLogDebug(OSRF_LOG_MARK, "Class %s is virtual, skipping", classname );
 193                         continue;
 194                 }
 195
 196         // Look up some other attributes of the current class
 197         const char* idlClass_fieldmapper = osrfHashGet(idlClass, "fieldmapper");
 198                 const char* readonly = osrfHashGet(idlClass, "readonly");
 199 #ifdef PCRUD
 200         osrfHash* idlClass_permacrud = osrfHashGet(idlClass, "permacrud");
 201 #endif
 202
 203         int i;
 204         for( i = 0; i < global_method_count; ++i ) {
 205             const char* method_type = global_method[ i ];
 206             osrfLogDebug(OSRF_LOG_MARK,
 207                 "Using files to build %s class methods for %s", method_type, classname);
 208
 209             if (!idlClass_fieldmapper) continue;
 210
 211 #ifdef PCRUD
 212             if (!idlClass_permacrud) continue;
 213
 214             const char* tmp_method = method_type;
 215             if ( *tmp_method == 'i' || *tmp_method == 's') {
 216                 tmp_method = "retrieve";
 217             }
 218             if (!osrfHashGet( idlClass_permacrud, tmp_method )) continue;
 219 #endif
 220
 221             if (    str_is_true( readonly ) &&
 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                 if( str_is_true( osrfHashGet(class, "virtual") ) ) {
 361                         osrfLogDebug(OSRF_LOG_MARK, "Class %s is virtual, skipping", classname );
 362                         continue;
 363                 }
 364
 365         char* tabledef = getSourceDefinition(class);
 366
 367         growing_buffer* sql_buf = buffer_init(32);
 368         buffer_fadd( sql_buf, "SELECT * FROM %s AS x WHERE 1=0;", tabledef );
 369
 370         free(tabledef);
 371
 372         char* sql = buffer_release(sql_buf);
 373         osrfLogDebug(OSRF_LOG_MARK, "%s Investigatory SQL = %s", MODULENAME, sql);
 374
 375         dbi_result result = dbi_conn_query(writehandle, sql);
 376         free(sql);
 377
 378         if (result) {
 379
 380             int columnIndex = 1;
 381             const char* columnName;
 382             osrfHash* _f;
 383             while( (columnName = dbi_result_get_field_name(result, columnIndex++)) ) {
 384
 385                 osrfLogInternal(OSRF_LOG_MARK, "Looking for column named [%s]...", (char*)columnName);
 386
 387                 /* fetch the fieldmapper index */
 388                 if( (_f = osrfHashGet(fields, (char*)columnName)) ) {
 389
 390                     osrfLogDebug(OSRF_LOG_MARK, "Found [%s] in IDL hash...", (char*)columnName);
 391
 392                     /* determine the field type and storage attributes */
 393                     type = dbi_result_get_field_type(result, columnName);
 394                     attr = dbi_result_get_field_attribs(result, columnName);
 395
 396                     switch( type ) {
 397
 398                         case DBI_TYPE_INTEGER :
 399
 400                             if ( !osrfHashGet(_f, "primitive") )
 401                                 osrfHashSet(_f,"number", "primitive");
 402
 403                             if( attr & DBI_INTEGER_SIZE8 )
 404                                 osrfHashSet(_f,"INT8", "datatype");
 405                             else
 406                                 osrfHashSet(_f,"INT", "datatype");
 407                             break;
 408
 409                         case DBI_TYPE_DECIMAL :
 410                             if ( !osrfHashGet(_f, "primitive") )
 411                                 osrfHashSet(_f,"number", "primitive");
 412
 413                             osrfHashSet(_f,"NUMERIC", "datatype");
 414                             break;
 415
 416                         case DBI_TYPE_STRING :
 417                             if ( !osrfHashGet(_f, "primitive") )
 418                                 osrfHashSet(_f,"string", "primitive");
 419                             osrfHashSet(_f,"TEXT", "datatype");
 420                             break;
 421
 422                         case DBI_TYPE_DATETIME :
 423                             if ( !osrfHashGet(_f, "primitive") )
 424                                 osrfHashSet(_f,"string", "primitive");
 425
 426                             osrfHashSet(_f,"TIMESTAMP", "datatype");
 427                             break;
 428
 429                         case DBI_TYPE_BINARY :
 430                             if ( !osrfHashGet(_f, "primitive") )
 431                                 osrfHashSet(_f,"string", "primitive");
 432
 433                             osrfHashSet(_f,"BYTEA", "datatype");
 434                     }
 435
 436                     osrfLogDebug(
 437                             OSRF_LOG_MARK,
 438                             "Setting [%s] to primitive [%s] and datatype [%s]...",
 439                             (char*)columnName,
 440                             osrfHashGet(_f, "primitive"),
 441                             osrfHashGet(_f, "datatype")
 442                             );
 443                 }
 444             }
 445             dbi_result_free(result);
 446         } else {
 447             osrfLogDebug(OSRF_LOG_MARK, "No data found for class [%s]...", (char*)classname);
 448         }
 449     }
 450
 451     osrfStringArrayFree(classes);
 452
 453     return 0;
 454 }
 455
 456 void userDataFree( void* blob ) {
 457     osrfHashFree( (osrfHash*)blob );
 458     return;
 459 }
 460
 461 static void sessionDataFree( char* key, void* item ) {
 462     if (!(strcmp(key,"xact_id"))) {
 463         if (writehandle)
 464             dbi_conn_query(writehandle, "ROLLBACK;");
 465         free(item);
 466     }
 467
 468     return;
 469 }
 470
 471 int beginTransaction ( osrfMethodContext* ctx ) {
 472         if(osrfMethodVerifyContext( ctx )) {
 473                 osrfLogError( OSRF_LOG_MARK,  "Invalid method context" );
 474                 return -1;
 475         }
 476
 477 #ifdef PCRUD
 478     jsonObject* user = verifyUserPCRUD( ctx );
 479     if (!user) return -1;
 480     jsonObjectFree(user);
 481 #endif
 482
 483     dbi_result result = dbi_conn_query(writehandle, "START TRANSACTION;");
 484     if (!result) {
 485         osrfLogError(OSRF_LOG_MARK, "%s: Error starting transaction", MODULENAME );
 486         osrfAppSessionStatus( ctx->session, OSRF_STATUS_INTERNALSERVERERROR, "osrfMethodException", ctx->request, "Error starting transaction" );
 487         return -1;
 488     } else {
 489         jsonObject* ret = jsonNewObject(ctx->session->session_id);
 490         osrfAppRespondComplete( ctx, ret );
 491         jsonObjectFree(ret);
 492
 493         if (!ctx->session->userData) {
 494             ctx->session->userData = osrfNewHash();
 495             osrfHashSetCallback((osrfHash*)ctx->session->userData, &sessionDataFree);
 496         }
 497
 498         osrfHashSet( (osrfHash*)ctx->session->userData, strdup( ctx->session->session_id ), "xact_id" );
 499         ctx->session->userDataFree = &userDataFree;
 500
 501     }
 502     return 0;
 503 }
 504
 505 int setSavepoint ( osrfMethodContext* ctx ) {
 506         if(osrfMethodVerifyContext( ctx )) {
 507                 osrfLogError( OSRF_LOG_MARK,  "Invalid method context" );
 508                 return -1;
 509         }
 510
 511     int spNamePos = 0;
 512 #ifdef PCRUD
 513     spNamePos = 1;
 514     jsonObject* user = verifyUserPCRUD( ctx );
 515     if (!user) return -1;
 516     jsonObjectFree(user);
 517 #endif
 518
 519     if (!osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )) {
 520         osrfAppSessionStatus(
 521                 ctx->session,
 522                 OSRF_STATUS_INTERNALSERVERERROR,
 523                 "osrfMethodException",
 524                 ctx->request,
 525                 "No active transaction -- required for savepoints"
 526                 );
 527         return -1;
 528     }
 529
 530     char* spName = jsonObjectToSimpleString(jsonObjectGetIndex(ctx->params, spNamePos));
 531
 532     dbi_result result = dbi_conn_queryf(writehandle, "SAVEPOINT \"%s\";", spName);
 533     if (!result) {
 534         osrfLogError(
 535                 OSRF_LOG_MARK,
 536                 "%s: Error creating savepoint %s in transaction %s",
 537                 MODULENAME,
 538                 spName,
 539                 osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )
 540                 );
 541         osrfAppSessionStatus( ctx->session, OSRF_STATUS_INTERNALSERVERERROR, "osrfMethodException", ctx->request, "Error creating savepoint" );
 542         free(spName);
 543         return -1;
 544     } else {
 545         jsonObject* ret = jsonNewObject(spName);
 546         osrfAppRespondComplete( ctx, ret );
 547         jsonObjectFree(ret);
 548     }
 549     free(spName);
 550     return 0;
 551 }
 552
 553 int releaseSavepoint ( osrfMethodContext* ctx ) {
 554         if(osrfMethodVerifyContext( ctx )) {
 555                 osrfLogError( OSRF_LOG_MARK,  "Invalid method context" );
 556                 return -1;
 557         }
 558
 559         int spNamePos = 0;
 560 #ifdef PCRUD
 561     spNamePos = 1;
 562     jsonObject* user = verifyUserPCRUD( ctx );
 563     if (!user) return -1;
 564     jsonObjectFree(user);
 565 #endif
 566
 567     if (!osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )) {
 568         osrfAppSessionStatus(
 569                 ctx->session,
 570                 OSRF_STATUS_INTERNALSERVERERROR,
 571                 "osrfMethodException",
 572                 ctx->request,
 573                 "No active transaction -- required for savepoints"
 574                 );
 575         return -1;
 576     }
 577
 578     char* spName = jsonObjectToSimpleString(jsonObjectGetIndex(ctx->params, spNamePos));
 579
 580     dbi_result result = dbi_conn_queryf(writehandle, "RELEASE SAVEPOINT \"%s\";", spName);
 581     if (!result) {
 582         osrfLogError(
 583                 OSRF_LOG_MARK,
 584                 "%s: Error releasing savepoint %s in transaction %s",
 585                 MODULENAME,
 586                 spName,
 587                 osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )
 588                 );
 589         osrfAppSessionStatus( ctx->session, OSRF_STATUS_INTERNALSERVERERROR, "osrfMethodException", ctx->request, "Error releasing savepoint" );
 590         free(spName);
 591         return -1;
 592     } else {
 593         jsonObject* ret = jsonNewObject(spName);
 594         osrfAppRespondComplete( ctx, ret );
 595         jsonObjectFree(ret);
 596     }
 597     free(spName);
 598     return 0;
 599 }
 600
 601 int rollbackSavepoint ( osrfMethodContext* ctx ) {
 602         if(osrfMethodVerifyContext( ctx )) {
 603                 osrfLogError( OSRF_LOG_MARK,  "Invalid method context" );
 604                 return -1;
 605         }
 606
 607         int spNamePos = 0;
 608 #ifdef PCRUD
 609     spNamePos = 1;
 610     jsonObject* user = verifyUserPCRUD( ctx );
 611     if (!user) return -1;
 612     jsonObjectFree(user);
 613 #endif
 614
 615     if (!osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )) {
 616         osrfAppSessionStatus(
 617                 ctx->session,
 618                 OSRF_STATUS_INTERNALSERVERERROR,
 619                 "osrfMethodException",
 620                 ctx->request,
 621                 "No active transaction -- required for savepoints"
 622                 );
 623         return -1;
 624     }
 625
 626     char* spName = jsonObjectToSimpleString(jsonObjectGetIndex(ctx->params, spNamePos));
 627
 628     dbi_result result = dbi_conn_queryf(writehandle, "ROLLBACK TO SAVEPOINT \"%s\";", spName);
 629     if (!result) {
 630         osrfLogError(
 631                 OSRF_LOG_MARK,
 632                 "%s: Error rolling back savepoint %s in transaction %s",
 633                 MODULENAME,
 634                 spName,
 635                 osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )
 636                 );
 637         osrfAppSessionStatus( ctx->session, OSRF_STATUS_INTERNALSERVERERROR, "osrfMethodException", ctx->request, "Error rolling back savepoint" );
 638         free(spName);
 639         return -1;
 640     } else {
 641         jsonObject* ret = jsonNewObject(spName);
 642         osrfAppRespondComplete( ctx, ret );
 643         jsonObjectFree(ret);
 644     }
 645     free(spName);
 646     return 0;
 647 }
 648
 649 int commitTransaction ( osrfMethodContext* ctx ) {
 650         if(osrfMethodVerifyContext( ctx )) {
 651                 osrfLogError( OSRF_LOG_MARK,  "Invalid method context" );
 652                 return -1;
 653         }
 654
 655 #ifdef PCRUD
 656     jsonObject* user = verifyUserPCRUD( ctx );
 657     if (!user) return -1;
 658     jsonObjectFree(user);
 659 #endif
 660
 661     if (!osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )) {
 662         osrfAppSessionStatus( ctx->session, OSRF_STATUS_INTERNALSERVERERROR, "osrfMethodException", ctx->request, "No active transaction to commit" );
 663         return -1;
 664     }
 665
 666     dbi_result result = dbi_conn_query(writehandle, "COMMIT;");
 667     if (!result) {
 668         osrfLogError(OSRF_LOG_MARK, "%s: Error committing transaction", MODULENAME );
 669         osrfAppSessionStatus( ctx->session, OSRF_STATUS_INTERNALSERVERERROR, "osrfMethodException", ctx->request, "Error committing transaction" );
 670         return -1;
 671     } else {
 672         osrfHashRemove(ctx->session->userData, "xact_id");
 673         jsonObject* ret = jsonNewObject(ctx->session->session_id);
 674         osrfAppRespondComplete( ctx, ret );
 675         jsonObjectFree(ret);
 676     }
 677     return 0;
 678 }
 679
 680 int rollbackTransaction ( osrfMethodContext* ctx ) {
 681         if(osrfMethodVerifyContext( ctx )) {
 682                 osrfLogError( OSRF_LOG_MARK,  "Invalid method context" );
 683                 return -1;
 684         }
 685
 686 #ifdef PCRUD
 687     jsonObject* user = verifyUserPCRUD( ctx );
 688     if (!user) return -1;
 689     jsonObjectFree(user);
 690 #endif
 691
 692     if (!osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )) {
 693         osrfAppSessionStatus( ctx->session, OSRF_STATUS_INTERNALSERVERERROR, "osrfMethodException", ctx->request, "No active transaction to roll back" );
 694         return -1;
 695     }
 696
 697     dbi_result result = dbi_conn_query(writehandle, "ROLLBACK;");
 698     if (!result) {
 699         osrfLogError(OSRF_LOG_MARK, "%s: Error rolling back transaction", MODULENAME );
 700         osrfAppSessionStatus( ctx->session, OSRF_STATUS_INTERNALSERVERERROR, "osrfMethodException", ctx->request, "Error rolling back transaction" );
 701         return -1;
 702     } else {
 703         osrfHashRemove(ctx->session->userData, "xact_id");
 704         jsonObject* ret = jsonNewObject(ctx->session->session_id);
 705         osrfAppRespondComplete( ctx, ret );
 706         jsonObjectFree(ret);
 707     }
 708     return 0;
 709 }
 710
 711 int dispatchCRUDMethod ( osrfMethodContext* ctx ) {
 712         if(osrfMethodVerifyContext( ctx )) {
 713                 osrfLogError( OSRF_LOG_MARK,  "Invalid method context" );
 714                 return -1;
 715         }
 716
 717         osrfHash* meta = (osrfHash*) ctx->method->userData;
 718     osrfHash* class_obj = osrfHashGet( meta, "class" );
 719
 720     int err = 0;
 721
 722     const char* methodtype = osrfHashGet(meta, "methodtype");
 723     jsonObject * obj = NULL;
 724
 725     if (!strcmp(methodtype, "create")) {
 726         obj = doCreate(ctx, &err);
 727         osrfAppRespondComplete( ctx, obj );
 728     }
 729     else if (!strcmp(methodtype, "retrieve")) {
 730         obj = doRetrieve(ctx, &err);
 731         osrfAppRespondComplete( ctx, obj );
 732     }
 733     else if (!strcmp(methodtype, "update")) {
 734         obj = doUpdate(ctx, &err);
 735         osrfAppRespondComplete( ctx, obj );
 736     }
 737     else if (!strcmp(methodtype, "delete")) {
 738         obj = doDelete(ctx, &err);
 739         osrfAppRespondComplete( ctx, obj );
 740     }
 741     else if (!strcmp(methodtype, "search")) {
 742
 743         jsonObject* _p = jsonObjectClone( ctx->params );
 744 #ifdef PCRUD
 745         jsonObjectFree(_p);
 746         _p = jsonParseString("[]");
 747         jsonObjectPush(_p, jsonObjectClone(jsonObjectGetIndex(ctx->params, 1)));
 748         jsonObjectPush(_p, jsonObjectClone(jsonObjectGetIndex(ctx->params, 2)));
 749 #endif
 750
 751         obj = doFieldmapperSearch(ctx, class_obj, _p, &err);
 752
 753         jsonObjectFree(_p);
 754         if(err) return err;
 755
 756         jsonObject* cur;
 757         jsonIterator* itr = jsonNewIterator( obj );
 758         while ((cur = jsonIteratorNext( itr ))) {
 759 #ifdef PCRUD
 760             if(!verifyObjectPCRUD(ctx, cur)) continue;
 761 #endif
 762             osrfAppRespond( ctx, cur );
 763         }
 764         jsonIteratorFree(itr);
 765         osrfAppRespondComplete( ctx, NULL );
 766
 767     } else if (!strcmp(methodtype, "id_list")) {
 768
 769         jsonObject* _p = jsonObjectClone( ctx->params );
 770 #ifdef PCRUD
 771         jsonObjectFree(_p);
 772         _p = jsonParseString("[]");
 773         jsonObjectPush(_p, jsonObjectClone(jsonObjectGetIndex(ctx->params, 1)));
 774         jsonObjectPush(_p, jsonObjectClone(jsonObjectGetIndex(ctx->params, 2)));
 775 #endif
 776
 777         if (jsonObjectGetIndex( _p, 1 )) {
 778             jsonObjectRemoveKey( jsonObjectGetIndex( _p, 1 ), "select" );
 779             jsonObjectRemoveKey( jsonObjectGetIndex( _p, 1 ), "no_i18n" );
 780             jsonObjectRemoveKey( jsonObjectGetIndex( _p, 1 ), "flesh" );
 781             jsonObjectRemoveKey( jsonObjectGetIndex( _p, 1 ), "flesh_columns" );
 782         } else {
 783             jsonObjectSetIndex( _p, 1, jsonNewObjectType(JSON_HASH) );
 784         }
 785
 786                 jsonObjectSetKey( jsonObjectGetIndex( _p, 1 ), "no_i18n", jsonNewBoolObject( 1 ) );
 787
 788         jsonObjectSetKey(
 789             jsonObjectGetIndex( _p, 1 ),
 790             "select",
 791             jsonParseStringFmt(
 792                 "{ \"%s\":[\"%s\"] }",
 793                 osrfHashGet( class_obj, "classname" ),
 794                 osrfHashGet( class_obj, "primarykey" )
 795             )
 796         );
 797
 798         obj = doFieldmapperSearch(ctx, class_obj, _p, &err);
 799
 800         jsonObjectFree(_p);
 801         if(err) return err;
 802
 803         jsonObject* cur;
 804         jsonIterator* itr = jsonNewIterator( obj );
 805         while ((cur = jsonIteratorNext( itr ))) {
 806 #ifdef PCRUD
 807             if(!verifyObjectPCRUD(ctx, cur)) continue;
 808 #endif
 809             osrfAppRespond(
 810                     ctx,
 811                     oilsFMGetObject( cur, osrfHashGet( class_obj, "primarykey" ) )
 812                     );
 813         }
 814         jsonIteratorFree(itr);
 815         osrfAppRespondComplete( ctx, NULL );
 816
 817     } else {
 818         osrfAppRespondComplete( ctx, obj );
 819     }
 820
 821     jsonObjectFree(obj);
 822
 823     return err;
 824 }
 825
 826 static int verifyObjectClass ( osrfMethodContext* ctx, const jsonObject* param ) {
 827
 828     int ret = 1;
 829     osrfHash* meta = (osrfHash*) ctx->method->userData;
 830     osrfHash* class = osrfHashGet( meta, "class" );
 831
 832     if (!param->classname || (strcmp( osrfHashGet(class, "classname"), param->classname ))) {
 833
 834         growing_buffer* msg = buffer_init(128);
 835         buffer_fadd(
 836                 msg,
 837                 "%s: %s method for type %s was passed a %s",
 838                 MODULENAME,
 839                 osrfHashGet(meta, "methodtype"),
 840                 osrfHashGet(class, "classname"),
 841                 param->classname
 842                 );
 843
 844         char* m = buffer_release(msg);
 845         osrfAppSessionStatus( ctx->session, OSRF_STATUS_BADREQUEST, "osrfMethodException", ctx->request, m );
 846
 847         free(m);
 848
 849         return 0;
 850     }
 851
 852 #ifdef PCRUD
 853     ret = verifyObjectPCRUD( ctx, param );
 854 #endif
 855
 856     return ret;
 857 }
 858
 859 #ifdef PCRUD
 860
 861 static jsonObject* verifyUserPCRUD( osrfMethodContext* ctx ) {
 862     char* auth = jsonObjectToSimpleString( jsonObjectGetIndex( ctx->params, 0 ) );
 863     jsonObject* auth_object = jsonNewObject(auth);
 864     jsonObject* user = oilsUtilsQuickReq("open-ils.auth","open-ils.auth.session.retrieve", auth_object);
 865     jsonObjectFree(auth_object);
 866
 867     if (!user->classname || strcmp(user->classname, "au")) {
 868
 869         growing_buffer* msg = buffer_init(128);
 870         buffer_fadd(
 871             msg,
 872             "%s: permacrud received a bad auth token: %s",
 873             MODULENAME,
 874             auth
 875         );
 876
 877         char* m = buffer_release(msg);
 878         osrfAppSessionStatus( ctx->session, OSRF_STATUS_UNAUTHORIZED, "osrfMethodException", ctx->request, m );
 879
 880         free(m);
 881         jsonObjectFree(user);
 882         user = jsonNULL;
 883     }
 884
 885     free(auth);
 886     return user;
 887
 888 }
 889
 890 static int verifyObjectPCRUD (  osrfMethodContext* ctx, const jsonObject* obj ) {
 891
 892     dbhandle = writehandle;
 893
 894     osrfHash* meta = (osrfHash*) ctx->method->userData;
 895     osrfHash* class = osrfHashGet( meta, "class" );
 896     char* method_type = strdup( osrfHashGet(meta, "methodtype") );
 897     int fetch = 0;
 898
 899     if ( ( *method_type == 's' || *method_type == 'i' ) ) {
 900         free(method_type);
 901         method_type = strdup("retrieve"); // search and id_list are equivelant to retrieve for this
 902     } else if ( *method_type == 'u' || *method_type == 'd' ) {
 903         fetch = 1; // MUST go to the db for the object for update and delete
 904     }
 905
 906     osrfHash* pcrud = osrfHashGet( osrfHashGet(class, "permacrud"), method_type );
 907     free(method_type);
 908
 909     if (!pcrud) {
 910         // No permacrud for this method type on this class
 911
 912         growing_buffer* msg = buffer_init(128);
 913         buffer_fadd(
 914             msg,
 915             "%s: %s on class %s has no permacrud IDL entry",
 916             MODULENAME,
 917             osrfHashGet(meta, "methodtype"),
 918             osrfHashGet(class, "classname")
 919         );
 920
 921         char* m = buffer_release(msg);
 922         osrfAppSessionStatus( ctx->session, OSRF_STATUS_FORBIDDEN, "osrfMethodException", ctx->request, m );
 923
 924         free(m);
 925
 926         return 0;
 927     }
 928
 929     jsonObject* user = verifyUserPCRUD( ctx );
 930     if (!user) return 0;
 931
 932     int userid = atoi( oilsFMGetString( user, "id" ) );
 933     jsonObjectFree(user);
 934
 935     osrfStringArray* permission = osrfHashGet(pcrud, "permission");
 936     osrfStringArray* local_context = osrfHashGet(pcrud, "local_context");
 937     osrfHash* foreign_context = osrfHashGet(pcrud, "foreign_context");
 938
 939     osrfStringArray* context_org_array = osrfNewStringArray(1);
 940
 941     int err = 0;
 942     char* pkey_value = NULL;
 943         if ( str_is_true( osrfHashGet(pcrud, "global_required") ) ) {
 944             osrfLogDebug( OSRF_LOG_MARK, "global-level permissions required, fetching top of the org tree" );
 945
 946         // check for perm at top of org tree
 947         jsonObject* _tmp_params = jsonParseString("[{\"parent_ou\":null}]");
 948                 jsonObject* _list = doFieldmapperSearch(ctx, osrfHashGet( oilsIDL(), "aou" ), _tmp_params, &err);
 949
 950         jsonObject* _tree_top = jsonObjectGetIndex(_list, 0);
 951
 952         if (!_tree_top) {
 953             jsonObjectFree(_tmp_params);
 954             jsonObjectFree(_list);
 955
 956             growing_buffer* msg = buffer_init(128);
 957                         OSRF_BUFFER_ADD( msg, MODULENAME );
 958                         OSRF_BUFFER_ADD( msg,
 959                                 ": Internal error, could not find the top of the org tree (parent_ou = NULL)" );
 960
 961             char* m = buffer_release(msg);
 962             osrfAppSessionStatus( ctx->session, OSRF_STATUS_INTERNALSERVERERROR, "osrfMethodException", ctx->request, m );
 963             free(m);
 964
 965             return 0;
 966         }
 967
 968         osrfStringArrayAdd( context_org_array, oilsFMGetString( _tree_top, "id" ) );
 969             osrfLogDebug( OSRF_LOG_MARK, "top of the org tree is %s", osrfStringArrayGetString(context_org_array, 0) );
 970
 971         jsonObjectFree(_tmp_params);
 972         jsonObjectFree(_list);
 973
 974     } else {
 975             osrfLogDebug( OSRF_LOG_MARK, "global-level permissions not required, fetching context org ids" );
 976             char* pkey = osrfHashGet(class, "primarykey");
 977         jsonObject *param = NULL;
 978
 979         if (obj->classname) {
 980             pkey_value = oilsFMGetString( obj, pkey );
 981             if (!fetch) param = jsonObjectClone(obj);
 982                 osrfLogDebug( OSRF_LOG_MARK, "Object supplied, using primary key value of %s", pkey_value );
 983         } else {
 984             pkey_value = jsonObjectToSimpleString( obj );
 985             fetch = 1;
 986                 osrfLogDebug( OSRF_LOG_MARK, "Object not supplied, using primary key value of %s and retrieving from the database", pkey_value );
 987         }
 988
 989         if (fetch) {
 990             jsonObject* _tmp_params = jsonParseStringFmt("[{\"%s\":\"%s\"}]", pkey, pkey_value);
 991                 jsonObject* _list = doFieldmapperSearch(
 992                 ctx,
 993                 class,
 994                 _tmp_params,
 995                 &err
 996             );
 997
 998             param = jsonObjectClone(jsonObjectGetIndex(_list, 0));
 999
1000             jsonObjectFree(_tmp_params);
1001             jsonObjectFree(_list);
1002         }
1003
1004         if (!param) {
1005             osrfLogDebug( OSRF_LOG_MARK, "Object not found in the database with primary key %s of %s", pkey, pkey_value );
1006
1007             growing_buffer* msg = buffer_init(128);
1008             buffer_fadd(
1009                 msg,
1010                 "%s: no object found with primary key %s of %s",
1011                 MODULENAME,
1012                 pkey,
1013                 pkey_value
1014             );
1015
1016             char* m = buffer_release(msg);
1017             osrfAppSessionStatus(
1018                 ctx->session,
1019                 OSRF_STATUS_INTERNALSERVERERROR,
1020                 "osrfMethodException",
1021                 ctx->request,
1022                 m
1023             );
1024
1025             free(m);
1026             if (pkey_value) free(pkey_value);
1027
1028             return 0;
1029         }
1030
1031         if (local_context->size > 0) {
1032                 osrfLogDebug( OSRF_LOG_MARK, "%d class-local context field(s) specified", local_context->size);
1033             int i = 0;
1034             char* lcontext = NULL;
1035             while ( (lcontext = osrfStringArrayGetString(local_context, i++)) ) {
1036                 osrfStringArrayAdd( context_org_array, oilsFMGetString( param, lcontext ) );
1037                     osrfLogDebug(
1038                     OSRF_LOG_MARK,
1039                     "adding class-local field %s (value: %s) to the context org list",
1040                     lcontext,
1041                     osrfStringArrayGetString(context_org_array, context_org_array->size - 1)
1042                 );
1043             }
1044         }
1045
1046         osrfStringArray* class_list;
1047
1048         if (foreign_context) {
1049             class_list = osrfHashKeys( foreign_context );
1050                 osrfLogDebug( OSRF_LOG_MARK, "%d foreign context classes(s) specified", class_list->size);
1051
1052             if (class_list->size > 0) {
1053
1054                 int i = 0;
1055                 char* class_name = NULL;
1056                 while ( (class_name = osrfStringArrayGetString(class_list, i++)) ) {
1057                     osrfHash* fcontext = osrfHashGet(foreign_context, class_name);
1058
1059                         osrfLogDebug(
1060                         OSRF_LOG_MARK,
1061                         "%d foreign context fields(s) specified for class %s",
1062                         ((osrfStringArray*)osrfHashGet(fcontext,"context"))->size,
1063                         class_name
1064                     );
1065
1066                     char* foreign_pkey = osrfHashGet(fcontext, "field");
1067                     char* foreign_pkey_value = oilsFMGetString(param, osrfHashGet(fcontext, "fkey"));
1068
1069                     jsonObject* _tmp_params = jsonParseStringFmt(
1070                         "[{\"%s\":\"%s\"}]",
1071                         foreign_pkey,
1072                         foreign_pkey_value
1073                     );
1074
1075                         jsonObject* _list = doFieldmapperSearch(
1076                         ctx,
1077                         osrfHashGet( oilsIDL(), class_name ),
1078                         _tmp_params,
1079                         &err
1080                     );
1081
1082                     jsonObject* _fparam = jsonObjectClone(jsonObjectGetIndex(_list, 0));
1083                     jsonObjectFree(_tmp_params);
1084                     jsonObjectFree(_list);
1085
1086                     osrfStringArray* jump_list = osrfHashGet(fcontext, "jump");
1087
1088                     if (_fparam && jump_list) {
1089                         char* flink = NULL;
1090                         int k = 0;
1091                         while ( (flink = osrfStringArrayGetString(jump_list, k++)) && _fparam ) {
1092                             free(foreign_pkey_value);
1093
1094                             osrfHash* foreign_link_hash = oilsIDLFindPath( "/%s/links/%s", _fparam->classname, flink );
1095
1096                             foreign_pkey_value = oilsFMGetString(_fparam, flink);
1097                             foreign_pkey = osrfHashGet( foreign_link_hash, "key" );
1098
1099                             _tmp_params = jsonParseStringFmt(
1100                                 "[{\"%s\":\"%s\"}]",
1101                                 foreign_pkey,
1102                                 foreign_pkey_value
1103                             );
1104
1105                                 _list = doFieldmapperSearch(
1106                                 ctx,
1107                                 osrfHashGet( oilsIDL(), osrfHashGet( foreign_link_hash, "class" ) ),
1108                                 _tmp_params,
1109                                 &err
1110                             );
1111
1112                             _fparam = jsonObjectClone(jsonObjectGetIndex(_list, 0));
1113                             jsonObjectFree(_tmp_params);
1114                             jsonObjectFree(_list);
1115                         }
1116                     }
1117
1118
1119                     if (!_fparam) {
1120
1121                         growing_buffer* msg = buffer_init(128);
1122                         buffer_fadd(
1123                             msg,
1124                             "%s: no object found with primary key %s of %s",
1125                             MODULENAME,
1126                             foreign_pkey,
1127                             foreign_pkey_value
1128                         );
1129
1130                         char* m = buffer_release(msg);
1131                         osrfAppSessionStatus(
1132                             ctx->session,
1133                             OSRF_STATUS_INTERNALSERVERERROR,
1134                             "osrfMethodException",
1135                             ctx->request,
1136                             m
1137                         );
1138
1139                         free(m);
1140                         osrfStringArrayFree(class_list);
1141                         free(foreign_pkey_value);
1142                         jsonObjectFree(param);
1143
1144                         return 0;
1145                     }
1146
1147                     free(foreign_pkey_value);
1148
1149                     int j = 0;
1150                     char* foreign_field = NULL;
1151                     while ( (foreign_field = osrfStringArrayGetString(osrfHashGet(fcontext,"context"), j++)) ) {
1152                         osrfStringArrayAdd( context_org_array, oilsFMGetString( _fparam, foreign_field ) );
1153                             osrfLogDebug(
1154                             OSRF_LOG_MARK,
1155                             "adding foreign class %s field %s (value: %s) to the context org list",
1156                             class_name,
1157                             foreign_field,
1158                             osrfStringArrayGetString(context_org_array, context_org_array->size - 1)
1159                         );
1160                     }
1161
1162                     jsonObjectFree(_fparam);
1163                 }
1164
1165                 osrfStringArrayFree(class_list);
1166             }
1167         }
1168
1169         jsonObjectFree(param);
1170     }
1171
1172     char* context_org = NULL;
1173     char* perm = NULL;
1174     int OK = 0;
1175
1176     if (permission->size == 0) {
1177             osrfLogDebug( OSRF_LOG_MARK, "No permission specified for this action, passing through" );
1178         OK = 1;
1179     }
1180
1181     int i = 0;
1182     while ( (perm = osrfStringArrayGetString(permission, i++)) ) {
1183         int j = 0;
1184         while ( (context_org = osrfStringArrayGetString(context_org_array, j++)) ) {
1185             dbi_result result;
1186
1187             if (pkey_value) {
1188                     osrfLogDebug(
1189                     OSRF_LOG_MARK,
1190                     "Checking object permission [%s] for user %d on object %s (class %s) at org %d",
1191                     perm,
1192                     userid,
1193                     pkey_value,
1194                     osrfHashGet(class, "classname"),
1195                     atoi(context_org)
1196                 );
1197
1198                 result = dbi_conn_queryf(
1199                     writehandle,
1200                     "SELECT permission.usr_has_object_perm(%d, '%s', '%s', '%s', %d) AS has_perm;",
1201                     userid,
1202                     perm,
1203                     osrfHashGet(class, "classname"),
1204                     pkey_value,
1205                     atoi(context_org)
1206                 );
1207
1208                 if (result) {
1209                     osrfLogDebug(
1210                         OSRF_LOG_MARK,
1211                         "Recieved a result for object permission [%s] for user %d on object %s (class %s) at org %d",
1212                         perm,
1213                         userid,
1214                         pkey_value,
1215                         osrfHashGet(class, "classname"),
1216                         atoi(context_org)
1217                     );
1218
1219                     if (dbi_result_first_row(result)) {
1220                         jsonObject* return_val = oilsMakeJSONFromResult( result );
1221                         char* has_perm = jsonObjectToSimpleString( jsonObjectGetKeyConst(return_val, "has_perm") );
1222
1223                             osrfLogDebug(
1224                             OSRF_LOG_MARK,
1225                             "Status of object permission [%s] for user %d on object %s (class %s) at org %d is %s",
1226                             perm,
1227                             userid,
1228                             pkey_value,
1229                             osrfHashGet(class, "classname"),
1230                             atoi(context_org),
1231                             has_perm
1232                         );
1233
1234                         if ( *has_perm == 't' ) OK = 1;
1235                         free(has_perm);
1236                         jsonObjectFree(return_val);
1237                     }
1238
1239                     dbi_result_free(result);
1240                     if (OK) break;
1241                 }
1242             }
1243
1244                 osrfLogDebug( OSRF_LOG_MARK, "Checking non-object permission [%s] for user %d at org %d", perm, userid, atoi(context_org) );
1245             result = dbi_conn_queryf(
1246                 writehandle,
1247                 "SELECT permission.usr_has_perm(%d, '%s', %d) AS has_perm;",
1248                 userid,
1249                 perm,
1250                 atoi(context_org)
1251             );
1252
1253             if (result) {
1254                     osrfLogDebug( OSRF_LOG_MARK, "Recieved a result for permission [%s] for user %d at org %d", perm, userid, atoi(context_org) );
1255                 if (dbi_result_first_row(result)) {
1256                     jsonObject* return_val = oilsMakeJSONFromResult( result );
1257                     char* has_perm = jsonObjectToSimpleString( jsonObjectGetKeyConst(return_val, "has_perm") );
1258                         osrfLogDebug( OSRF_LOG_MARK, "Status of permission [%s] for user %d at org %d is [%s]", perm, userid, atoi(context_org), has_perm );
1259                     if ( *has_perm == 't' ) OK = 1;
1260                     free(has_perm);
1261                     jsonObjectFree(return_val);
1262                 }
1263
1264                 dbi_result_free(result);
1265                 if (OK) break;
1266             }
1267
1268         }
1269         if (OK) break;
1270     }
1271
1272     if (pkey_value) free(pkey_value);
1273     osrfStringArrayFree(context_org_array);
1274
1275     return OK;
1276 }
1277 #endif
1278
1279
1280 static jsonObject* doCreate(osrfMethodContext* ctx, int* err ) {
1281
1282         osrfHash* meta = osrfHashGet( (osrfHash*) ctx->method->userData, "class" );
1283 #ifdef PCRUD
1284         jsonObject* target = jsonObjectGetIndex( ctx->params, 1 );
1285         jsonObject* options = jsonObjectGetIndex( ctx->params, 2 );
1286 #else
1287         jsonObject* target = jsonObjectGetIndex( ctx->params, 0 );
1288         jsonObject* options = jsonObjectGetIndex( ctx->params, 1 );
1289 #endif
1290
1291         if (!verifyObjectClass(ctx, target)) {
1292                 *err = -1;
1293                 return jsonNULL;
1294         }
1295
1296         osrfLogDebug( OSRF_LOG_MARK, "Object seems to be of the correct type" );
1297
1298         if (!ctx->session || !ctx->session->userData || !osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )) {
1299                 osrfLogError( OSRF_LOG_MARK, "No active transaction -- required for CREATE" );
1300
1301                 osrfAppSessionStatus(
1302                         ctx->session,
1303                         OSRF_STATUS_BADREQUEST,
1304                         "osrfMethodException",
1305                         ctx->request,
1306                         "No active transaction -- required for CREATE"
1307                 );
1308                 *err = -1;
1309                 return jsonNULL;
1310         }
1311
1312         // The following test is harmless but redundant.  If a class is
1313         // readonly, we don't register a create method for it.
1314         if( str_is_true( osrfHashGet( meta, "readonly" ) ) ) {
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( str_is_true( osrfHashGet( field, "virtual" ) ) )
1363                         continue;
1364
1365                 const jsonObject* field_object = oilsFMGetObject( target, field_name );
1366
1367                 char* value;
1368                 if (field_object && field_object->classname) {
1369                         value = oilsFMGetString(
1370                                 field_object,
1371                                 (char*)oilsIDLFindPath("/%s/primarykey", field_object->classname)
1372                         );
1373                 } else {
1374                         value = jsonObjectToSimpleString( field_object );
1375                 }
1376
1377
1378                 if (first) {
1379                         first = 0;
1380                 } else {
1381                         OSRF_BUFFER_ADD_CHAR( col_buf, ',' );
1382                         OSRF_BUFFER_ADD_CHAR( val_buf, ',' );
1383                 }
1384
1385                 buffer_add(col_buf, field_name);
1386
1387                 if (!field_object || field_object->type == JSON_NULL) {
1388                         buffer_add( val_buf, "DEFAULT" );
1389
1390                 } else if ( !strcmp(osrfHashGet(field, "primitive"), "number") ) {
1391                         if ( !strcmp(osrfHashGet(field, "datatype"), "INT8") ) {
1392                                 buffer_fadd( val_buf, "%lld", atoll(value) );
1393
1394                         } else if ( !strcmp(osrfHashGet(field, "datatype"), "INT") ) {
1395                                 buffer_fadd( val_buf, "%d", atoi(value) );
1396
1397                         } else if ( !strcmp(osrfHashGet(field, "datatype"), "NUMERIC") ) {
1398                                 buffer_fadd( val_buf, "%f", atof(value) );
1399                         }
1400                 } else {
1401                         if ( dbi_conn_quote_string(writehandle, &value) ) {
1402                                 OSRF_BUFFER_ADD( val_buf, value );
1403
1404                         } else {
1405                                 osrfLogError(OSRF_LOG_MARK, "%s: Error quoting string [%s]", MODULENAME, value);
1406                                 osrfAppSessionStatus(
1407                                         ctx->session,
1408                                         OSRF_STATUS_INTERNALSERVERERROR,
1409                                         "osrfMethodException",
1410                                         ctx->request,
1411                                         "Error quoting string -- please see the error log for more details"
1412                                 );
1413                                 free(value);
1414                                 buffer_free(table_buf);
1415                                 buffer_free(col_buf);
1416                                 buffer_free(val_buf);
1417                                 *err = -1;
1418                                 return jsonNULL;
1419                         }
1420                 }
1421
1422                 free(value);
1423
1424         }
1425
1426
1427         OSRF_BUFFER_ADD_CHAR( col_buf, ')' );
1428         OSRF_BUFFER_ADD_CHAR( val_buf, ')' );
1429
1430         char* table_str = buffer_release(table_buf);
1431         char* col_str   = buffer_release(col_buf);
1432         char* val_str   = buffer_release(val_buf);
1433         growing_buffer* sql = buffer_init(128);
1434         buffer_fadd( sql, "%s %s %s;", table_str, col_str, val_str );
1435         free(table_str);
1436         free(col_str);
1437         free(val_str);
1438
1439         char* query = buffer_release(sql);
1440
1441         osrfLogDebug(OSRF_LOG_MARK, "%s: Insert SQL [%s]", MODULENAME, query);
1442
1443
1444         dbi_result result = dbi_conn_query(writehandle, query);
1445
1446         jsonObject* obj = NULL;
1447
1448         if (!result) {
1449                 obj = jsonNewObject(NULL);
1450                 osrfLogError(
1451                         OSRF_LOG_MARK,
1452                         "%s ERROR inserting %s object using query [%s]",
1453                         MODULENAME,
1454                         osrfHashGet(meta, "fieldmapper"),
1455                         query
1456                 );
1457                 osrfAppSessionStatus(
1458                         ctx->session,
1459                         OSRF_STATUS_INTERNALSERVERERROR,
1460                         "osrfMethodException",
1461                         ctx->request,
1462                         "INSERT error -- please see the error log for more details"
1463                 );
1464                 *err = -1;
1465         } else {
1466
1467                 char* id = oilsFMGetString(target, pkey);
1468                 if (!id) {
1469                         unsigned long long new_id = dbi_conn_sequence_last(writehandle, seq);
1470                         growing_buffer* _id = buffer_init(10);
1471                         buffer_fadd(_id, "%lld", new_id);
1472                         id = buffer_release(_id);
1473                 }
1474
1475                 // Find quietness specification, if present
1476                 char* quiet_str = NULL;
1477                 if ( options ) {
1478                         const jsonObject* quiet_obj = jsonObjectGetKeyConst( options, "quiet" );
1479                         if( quiet_obj )
1480                                 quiet_str = jsonObjectToSimpleString( quiet_obj );
1481                 }
1482
1483                 if( str_is_true( quiet_str ) ) {  // if quietness is specified
1484                         obj = jsonNewObject(id);
1485                 }
1486                 else {
1487
1488                         jsonObject* fake_params = jsonNewObjectType(JSON_ARRAY);
1489                         jsonObjectPush(fake_params, jsonNewObjectType(JSON_HASH));
1490
1491                         jsonObjectSetKey(
1492                                 jsonObjectGetIndex(fake_params, 0),
1493                                 pkey,
1494                                 jsonNewObject(id)
1495                         );
1496
1497                         jsonObject* list = doFieldmapperSearch( ctx,meta, fake_params, err);
1498
1499                         if(*err) {
1500                                 jsonObjectFree( fake_params );
1501                                 obj = jsonNULL;
1502                         } else {
1503                                 obj = jsonObjectClone( jsonObjectGetIndex(list, 0) );
1504                         }
1505
1506                         jsonObjectFree( list );
1507                         jsonObjectFree( fake_params );
1508                 }
1509
1510                 if(quiet_str) free(quiet_str);
1511                 free(id);
1512         }
1513
1514         free(query);
1515
1516         return obj;
1517
1518 }
1519
1520
1521 static jsonObject* doRetrieve(osrfMethodContext* ctx, int* err ) {
1522
1523     int id_pos = 0;
1524     int order_pos = 1;
1525
1526 #ifdef PCRUD
1527     id_pos = 1;
1528     order_pos = 2;
1529 #endif
1530
1531         osrfHash* meta = osrfHashGet( (osrfHash*) ctx->method->userData, "class" );
1532
1533         char* id = jsonObjectToSimpleString(jsonObjectGetIndex(ctx->params, id_pos));
1534         jsonObject* order_hash = jsonObjectGetIndex(ctx->params, order_pos);
1535
1536         osrfLogDebug(
1537                 OSRF_LOG_MARK,
1538                 "%s retrieving %s object with primary key value of %s",
1539                 MODULENAME,
1540                 osrfHashGet(meta, "fieldmapper"),
1541                 id
1542         );
1543         free(id);
1544
1545         jsonObject* fake_params = jsonNewObjectType(JSON_ARRAY);
1546         jsonObjectPush(fake_params, jsonNewObjectType(JSON_HASH));
1547
1548         jsonObjectSetKey(
1549                 jsonObjectGetIndex(fake_params, 0),
1550                 osrfHashGet(meta, "primarykey"),
1551                 jsonObjectClone(jsonObjectGetIndex(ctx->params, id_pos))
1552         );
1553
1554
1555         if (order_hash) jsonObjectPush(fake_params, jsonObjectClone(order_hash) );
1556
1557         jsonObject* list = doFieldmapperSearch( ctx,meta, fake_params, err);
1558
1559         if(*err) {
1560                 jsonObjectFree( fake_params );
1561                 return jsonNULL;
1562         }
1563
1564         jsonObject* obj = jsonObjectClone( jsonObjectGetIndex(list, 0) );
1565
1566         jsonObjectFree( list );
1567         jsonObjectFree( fake_params );
1568
1569 #ifdef PCRUD
1570         if(!verifyObjectPCRUD(ctx, obj)) {
1571         jsonObjectFree(obj);
1572         *err = -1;
1573
1574         growing_buffer* msg = buffer_init(128);
1575                 OSRF_BUFFER_ADD( msg, MODULENAME );
1576                 OSRF_BUFFER_ADD( msg, ": Insufficient permissions to retrieve object" );
1577
1578         char* m = buffer_release(msg);
1579         osrfAppSessionStatus( ctx->session, OSRF_STATUS_NOTALLOWED, "osrfMethodException", ctx->request, m );
1580
1581         free(m);
1582
1583                 return jsonNULL;
1584         }
1585 #endif
1586
1587         return obj;
1588 }
1589
1590 static char* jsonNumberToDBString ( osrfHash* field, const jsonObject* value ) {
1591         growing_buffer* val_buf = buffer_init(32);
1592
1593         if ( !strncmp(osrfHashGet(field, "datatype"), "INT", (size_t)3) ) {
1594                 if (value->type == JSON_NUMBER) buffer_fadd( val_buf, "%ld", (long)jsonObjectGetNumber(value) );
1595                 else {
1596                         char* val_str = jsonObjectToSimpleString(value);
1597                         buffer_fadd( val_buf, "%ld", atol(val_str) );
1598                         free(val_str);
1599                 }
1600
1601         } else if ( !strcmp(osrfHashGet(field, "datatype"), "NUMERIC") ) {
1602                 if (value->type == JSON_NUMBER) buffer_fadd( val_buf, "%f",  jsonObjectGetNumber(value) );
1603                 else {
1604                         char* val_str = jsonObjectToSimpleString(value);
1605                         buffer_fadd( val_buf, "%f", atof(val_str) );
1606                         free(val_str);
1607                 }
1608         }
1609
1610         return buffer_release(val_buf);
1611 }
1612
1613 static char* searchINPredicate (const char* class, osrfHash* field,
1614                 const jsonObject* node, const char* op) {
1615         growing_buffer* sql_buf = buffer_init(32);
1616
1617         buffer_fadd(
1618                 sql_buf,
1619                 "\"%s\".%s ",
1620                 class,
1621                 osrfHashGet(field, "name")
1622         );
1623
1624         if (!op) {
1625                 buffer_add(sql_buf, "IN (");
1626         } else if (!(strcasecmp(op,"not in"))) {
1627                 buffer_add(sql_buf, "NOT IN (");
1628         } else {
1629                 buffer_add(sql_buf, "IN (");
1630         }
1631
1632         int in_item_index = 0;
1633         int in_item_first = 1;
1634         jsonObject* in_item;
1635         while ( (in_item = jsonObjectGetIndex(node, in_item_index++)) ) {
1636
1637                 if (in_item_first)
1638                         in_item_first = 0;
1639                 else
1640                         buffer_add(sql_buf, ", ");
1641
1642                 if ( !strcmp(osrfHashGet(field, "primitive"), "number") ) {
1643                         char* val = jsonNumberToDBString( field, in_item );
1644                         OSRF_BUFFER_ADD( sql_buf, val );
1645                         free(val);
1646
1647                 } else {
1648                         char* key_string = jsonObjectToSimpleString(in_item);
1649                         if ( dbi_conn_quote_string(dbhandle, &key_string) ) {
1650                                 OSRF_BUFFER_ADD( sql_buf, key_string );
1651                                 free(key_string);
1652                         } else {
1653                                 osrfLogError(OSRF_LOG_MARK, "%s: Error quoting key string [%s]", MODULENAME, key_string);
1654                                 free(key_string);
1655                                 buffer_free(sql_buf);
1656                                 return NULL;
1657                         }
1658                 }
1659         }
1660
1661         OSRF_BUFFER_ADD_CHAR( sql_buf, ')' );
1662
1663         return buffer_release(sql_buf);
1664 }
1665
1666 // Receive a JSON_ARRAY representing a function call.  The first
1667 // entry in the array is the function name.  The rest are parameters.
1668 static char* searchValueTransform( const jsonObject* array ) {
1669         growing_buffer* sql_buf = buffer_init(32);
1670
1671         char* val = NULL;
1672         jsonObject* func_item;
1673
1674         // Get the function name
1675         if( array->size > 0 ) {
1676                 func_item = jsonObjectGetIndex( array, 0 );
1677                 val = jsonObjectToSimpleString( func_item );
1678                 OSRF_BUFFER_ADD( sql_buf, val );
1679                 OSRF_BUFFER_ADD( sql_buf, "( " );
1680                 free(val);
1681         }
1682
1683         // Get the parameters
1684         int func_item_index = 1;   // We already grabbed the zeroth entry
1685         while ( (func_item = jsonObjectGetIndex(array, func_item_index++)) ) {
1686
1687                 // Add a separator comma, if we need one
1688                 if( func_item_index > 2 )
1689                         buffer_add( sql_buf, ", " );
1690
1691                 // Add the current parameter
1692                 if (func_item->type == JSON_NULL) {
1693                         buffer_add( sql_buf, "NULL" );
1694                 } else {
1695                         val = jsonObjectToSimpleString(func_item);
1696                         if ( dbi_conn_quote_string(dbhandle, &val) ) {
1697                                 OSRF_BUFFER_ADD( sql_buf, val );
1698                                 free(val);
1699                         } else {
1700                                 osrfLogError(OSRF_LOG_MARK, "%s: Error quoting key string [%s]", MODULENAME, val);
1701                                 buffer_free(sql_buf);
1702                                 free(val);
1703                                 return NULL;
1704                         }
1705                 }
1706         }
1707
1708         buffer_add( sql_buf, " )" );
1709
1710         return buffer_release(sql_buf);
1711 }
1712
1713 static char* searchFunctionPredicate (const char* class, osrfHash* field,
1714                 const jsonObject* node, const char* node_key) {
1715         growing_buffer* sql_buf = buffer_init(32);
1716
1717         char* val = searchValueTransform(node);
1718
1719         buffer_fadd(
1720                 sql_buf,
1721                 "\"%s\".%s %s %s",
1722                 class,
1723                 osrfHashGet(field, "name"),
1724                 node_key,
1725                 val
1726         );
1727
1728         free(val);
1729
1730         return buffer_release(sql_buf);
1731 }
1732
1733 // class is a class name
1734 // field is a field definition as stored in the IDL
1735 // node comes from the method parameter, and represents an entry in the SELECT list
1736 static char* searchFieldTransform (const char* class, osrfHash* field, const jsonObject* node) {
1737         growing_buffer* sql_buf = buffer_init(32);
1738
1739         char* field_transform = jsonObjectToSimpleString( jsonObjectGetKeyConst( node, "transform" ) );
1740         char* transform_subcolumn = jsonObjectToSimpleString( jsonObjectGetKeyConst( node, "result_field" ) );
1741
1742         if(transform_subcolumn)
1743                 OSRF_BUFFER_ADD_CHAR( sql_buf, '(' );    // enclose transform in parentheses
1744
1745         if (field_transform) {
1746                 buffer_fadd( sql_buf, "%s(\"%s\".%s", field_transform, class, osrfHashGet(field, "name"));
1747             const jsonObject* array = jsonObjectGetKeyConst( node, "params" );
1748
1749         if (array) {
1750                 int func_item_index = 0;
1751                 jsonObject* func_item;
1752                 while ( (func_item = jsonObjectGetIndex(array, func_item_index++)) ) {
1753
1754                         char* val = jsonObjectToSimpleString(func_item);
1755
1756                     if ( !val ) {
1757                             buffer_add( sql_buf, ",NULL" );
1758                     } else if ( dbi_conn_quote_string(dbhandle, &val) ) {
1759                                         OSRF_BUFFER_ADD_CHAR( sql_buf, ',' );
1760                                         OSRF_BUFFER_ADD( sql_buf, val );
1761                         } else {
1762                                 osrfLogError(OSRF_LOG_MARK, "%s: Error quoting key string [%s]", MODULENAME, val);
1763                                         free(transform_subcolumn);
1764                                         free(field_transform);
1765                                         free(val);
1766                                 buffer_free(sql_buf);
1767                                 return NULL;
1768                 }
1769                                 free(val);
1770                         }
1771         }
1772
1773                 buffer_add( sql_buf, " )" );
1774
1775         } else {
1776                 buffer_fadd( sql_buf, "\"%s\".%s", class, osrfHashGet(field, "name"));
1777         }
1778
1779     if (transform_subcolumn)
1780         buffer_fadd( sql_buf, ").\"%s\"", transform_subcolumn );
1781
1782         if (field_transform) free(field_transform);
1783         if (transform_subcolumn) free(transform_subcolumn);
1784
1785         return buffer_release(sql_buf);
1786 }
1787
1788 static char* searchFieldTransformPredicate (const char* class, osrfHash* field, jsonObject* node, const char* node_key) {
1789         char* field_transform = searchFieldTransform( class, field, node );
1790         char* value = NULL;
1791
1792         if (!jsonObjectGetKeyConst( node, "value" )) {
1793                 value = searchWHERE( node, osrfHashGet( oilsIDL(), class ), AND_OP_JOIN, NULL );
1794         } else if (jsonObjectGetKeyConst( node, "value" )->type == JSON_ARRAY) {
1795                 value = searchValueTransform(jsonObjectGetKeyConst( node, "value" ));
1796         } else if (jsonObjectGetKeyConst( node, "value" )->type == JSON_HASH) {
1797                 value = searchWHERE( jsonObjectGetKeyConst( node, "value" ), osrfHashGet( oilsIDL(), class ), AND_OP_JOIN, NULL );
1798         } else if (jsonObjectGetKeyConst( node, "value" )->type != JSON_NULL) {
1799                 if ( !strcmp(osrfHashGet(field, "primitive"), "number") ) {
1800                         value = jsonNumberToDBString( field, jsonObjectGetKeyConst( node, "value" ) );
1801                 } else {
1802                         value = jsonObjectToSimpleString(jsonObjectGetKeyConst( node, "value" ));
1803                         if ( !dbi_conn_quote_string(dbhandle, &value) ) {
1804                                 osrfLogError(OSRF_LOG_MARK, "%s: Error quoting key string [%s]", MODULENAME, value);
1805                                 free(value);
1806                                 free(field_transform);
1807                                 return NULL;
1808                         }
1809                 }
1810         }
1811
1812         growing_buffer* sql_buf = buffer_init(32);
1813
1814         buffer_fadd(
1815                 sql_buf,
1816                 "%s %s %s",
1817                 field_transform,
1818                 node_key,
1819                 value
1820         );
1821
1822         free(value);
1823         free(field_transform);
1824
1825         return buffer_release(sql_buf);
1826 }
1827
1828 static char* searchSimplePredicate (const char* orig_op, const char* class,
1829                 osrfHash* field, const jsonObject* node) {
1830
1831         char* val = NULL;
1832
1833         if (node->type != JSON_NULL) {
1834                 if ( !strcmp(osrfHashGet(field, "primitive"), "number") ) {
1835                         val = jsonNumberToDBString( field, node );
1836                 } else {
1837                         val = jsonObjectToSimpleString(node);
1838                 }
1839         }
1840
1841         char* pred = searchWriteSimplePredicate( class, field, osrfHashGet(field, "name"), orig_op, val );
1842
1843         if (val) free(val);
1844
1845         return pred;
1846 }
1847
1848 static char* searchWriteSimplePredicate ( const char* class, osrfHash* field,
1849         const char* left, const char* orig_op, const char* right ) {
1850
1851         char* val = NULL;
1852         char* op = NULL;
1853         if (right == NULL) {
1854                 val = strdup("NULL");
1855
1856                 if (strcmp( orig_op, "=" ))
1857                         op = strdup("IS NOT");
1858                 else
1859                         op = strdup("IS");
1860
1861         } else if ( !strcmp(osrfHashGet(field, "primitive"), "number") ) {
1862                 val = strdup(right);
1863                 op = strdup(orig_op);
1864
1865         } else {
1866                 val = strdup(right);
1867                 if ( !dbi_conn_quote_string(dbhandle, &val) ) {
1868                         osrfLogError(OSRF_LOG_MARK, "%s: Error quoting key string [%s]", MODULENAME, val);
1869                         free(val);
1870                         return NULL;
1871                 }
1872                 op = strdup(orig_op);
1873         }
1874
1875         growing_buffer* sql_buf = buffer_init(16);
1876         buffer_fadd( sql_buf, "\"%s\".%s %s %s", class, left, op, val );
1877         free(val);
1878         free(op);
1879
1880         return buffer_release(sql_buf);
1881 }
1882
1883 static char* searchBETWEENPredicate (const char* class, osrfHash* field, jsonObject* node) {
1884
1885         char* x_string;
1886         char* y_string;
1887
1888         if ( !strcmp(osrfHashGet(field, "primitive"), "number") ) {
1889                 x_string = jsonNumberToDBString(field, jsonObjectGetIndex(node,0));
1890                 y_string = jsonNumberToDBString(field, jsonObjectGetIndex(node,1));
1891
1892         } else {
1893                 x_string = jsonObjectToSimpleString(jsonObjectGetIndex(node,0));
1894                 y_string = jsonObjectToSimpleString(jsonObjectGetIndex(node,1));
1895                 if ( !(dbi_conn_quote_string(dbhandle, &x_string) && dbi_conn_quote_string(dbhandle, &y_string)) ) {
1896                         osrfLogError(OSRF_LOG_MARK, "%s: Error quoting key strings [%s] and [%s]", MODULENAME, x_string, y_string);
1897                         free(x_string);
1898                         free(y_string);
1899                         return NULL;
1900                 }
1901         }
1902
1903         growing_buffer* sql_buf = buffer_init(32);
1904         buffer_fadd( sql_buf, "%s BETWEEN %s AND %s", osrfHashGet(field, "name"), x_string, y_string );
1905         free(x_string);
1906         free(y_string);
1907
1908         return buffer_release(sql_buf);
1909 }
1910
1911 static char* searchPredicate ( const char* class, osrfHash* field, jsonObject* node ) {
1912
1913         char* pred = NULL;
1914         if (node->type == JSON_ARRAY) { // equality IN search
1915                 pred = searchINPredicate( class, field, node, NULL );
1916         } else if (node->type == JSON_HASH) { // non-equality search
1917                 jsonObject* pred_node;
1918                 jsonIterator* pred_itr = jsonNewIterator( node );
1919                 while ( (pred_node = jsonIteratorNext( pred_itr )) ) {
1920                         if ( !(strcasecmp( pred_itr->key,"between" )) )
1921                                 pred = searchBETWEENPredicate( class, field, pred_node );
1922                         else if ( !(strcasecmp( pred_itr->key,"in" )) || !(strcasecmp( pred_itr->key,"not in" )) )
1923                                 pred = searchINPredicate( class, field, pred_node, pred_itr->key );
1924                         else if ( pred_node->type == JSON_ARRAY )
1925                                 pred = searchFunctionPredicate( class, field, pred_node, pred_itr->key );
1926                         else if ( pred_node->type == JSON_HASH )
1927                                 pred = searchFieldTransformPredicate( class, field, pred_node, pred_itr->key );
1928                         else
1929                                 pred = searchSimplePredicate( pred_itr->key, class, field, pred_node );
1930
1931                         break;
1932                 }
1933         jsonIteratorFree(pred_itr);
1934         } else if (node->type == JSON_NULL) { // IS NULL search
1935                 growing_buffer* _p = buffer_init(64);
1936                 buffer_fadd(
1937                         _p,
1938                         "\"%s\".%s IS NULL",
1939                         class,
1940                         osrfHashGet(field, "name")
1941                 );
1942                 pred = buffer_release(_p);
1943         } else { // equality search
1944                 pred = searchSimplePredicate( "=", class, field, node );
1945         }
1946
1947         return pred;
1948
1949 }
1950
1951
1952 /*
1953
1954 join : {
1955         acn : {
1956                 field : record,
1957                 fkey : id
1958                 type : left
1959                 filter_op : or
1960                 filter : { ... },
1961                 join : {
1962                         acp : {
1963                                 field : call_number,
1964                                 fkey : id,
1965                                 filter : { ... },
1966                         },
1967                 },
1968         },
1969         mrd : {
1970                 field : record,
1971                 type : inner
1972                 fkey : id,
1973                 filter : { ... },
1974         }
1975 }
1976
1977 */
1978
1979 static char* searchJOIN ( const jsonObject* join_hash, osrfHash* leftmeta ) {
1980
1981         const jsonObject* working_hash;
1982         jsonObject* freeable_hash = NULL;
1983
1984         if (join_hash->type == JSON_STRING) {
1985                 // create a wrapper around a copy of the original
1986                 char* _tmp = jsonObjectToSimpleString( join_hash );
1987                 freeable_hash = jsonNewObjectType(JSON_HASH);
1988                 jsonObjectSetKey(freeable_hash, _tmp, NULL);
1989                 free(_tmp);
1990                 working_hash = freeable_hash;
1991         }
1992         else
1993                 working_hash = join_hash;
1994
1995         growing_buffer* join_buf = buffer_init(128);
1996         char* leftclass = osrfHashGet(leftmeta, "classname");
1997
1998         jsonObject* snode = NULL;
1999         jsonIterator* search_itr = jsonNewIterator( working_hash );
2000         if(freeable_hash)
2001                 jsonObjectFree(freeable_hash);
2002
2003         while ( (snode = jsonIteratorNext( search_itr )) ) {
2004                 osrfHash* idlClass = osrfHashGet( oilsIDL(), search_itr->key );
2005
2006                 char* class = osrfHashGet(idlClass, "classname");
2007
2008                 char* fkey = jsonObjectToSimpleString( jsonObjectGetKeyConst( snode, "fkey" ) );
2009                 char* field = jsonObjectToSimpleString( jsonObjectGetKeyConst( snode, "field" ) );
2010
2011                 if (field && !fkey) {
2012                         fkey = (char*)oilsIDLFindPath("/%s/links/%s/key", class, field);
2013                         if (!fkey) {
2014                                 osrfLogError(
2015                                         OSRF_LOG_MARK,
2016                                         "%s: JOIN failed.  No link defined from %s.%s to %s",
2017                                         MODULENAME,
2018                                         class,
2019                                         field,
2020                                         leftclass
2021                                 );
2022                                 buffer_free(join_buf);
2023                                 free(field);
2024                                 jsonIteratorFree(search_itr);
2025                                 return NULL;
2026                         }
2027                         fkey = strdup( fkey );
2028
2029                 } else if (!field && fkey) {
2030                         field = (char*)oilsIDLFindPath("/%s/links/%s/key", leftclass, fkey );
2031                         if (!field) {
2032                                 osrfLogError(
2033                                         OSRF_LOG_MARK,
2034                                         "%s: JOIN failed.  No link defined from %s.%s to %s",
2035                                         MODULENAME,
2036                                         leftclass,
2037                                         fkey,
2038                                         class
2039                                 );
2040                                 buffer_free(join_buf);
2041                                 free(fkey);
2042                                 jsonIteratorFree(search_itr);
2043                                 return NULL;
2044                         }
2045                         field = strdup( field );
2046
2047                 } else if (!field && !fkey) {
2048                         osrfHash* _links = oilsIDLFindPath("/%s/links", leftclass);
2049
2050                         int i = 0;
2051                         osrfStringArray* keys = osrfHashKeys( _links );
2052                         while ( (fkey = osrfStringArrayGetString(keys, i++)) ) {
2053                                 fkey = strdup(osrfStringArrayGetString(keys, i++));
2054                                 if ( !strcmp( (char*)oilsIDLFindPath("/%s/links/%s/class", leftclass, fkey), class) ) {
2055                                         field = strdup( (char*)oilsIDLFindPath("/%s/links/%s/key", leftclass, fkey) );
2056                                         break;
2057                                 } else {
2058                                         free(fkey);
2059                                 }
2060                         }
2061                         osrfStringArrayFree(keys);
2062
2063                         if (!field && !fkey) {
2064                                 _links = oilsIDLFindPath("/%s/links", class);
2065
2066                                 i = 0;
2067                                 keys = osrfHashKeys( _links );
2068                                 while ( (field = osrfStringArrayGetString(keys, i++)) ) {
2069                                         field = strdup(osrfStringArrayGetString(keys, i++));
2070                                         if ( !strcmp( (char*)oilsIDLFindPath("/%s/links/%s/class", class, field), class) ) {
2071                                                 fkey = strdup( (char*)oilsIDLFindPath("/%s/links/%s/key", class, field) );
2072                                                 break;
2073                                         } else {
2074                                                 free(field);
2075                                         }
2076                                 }
2077                                 osrfStringArrayFree(keys);
2078                         }
2079
2080                         if (!field && !fkey) {
2081                                 osrfLogError(
2082                                         OSRF_LOG_MARK,
2083                                         "%s: JOIN failed.  No link defined between %s and %s",
2084                                         MODULENAME,
2085                                         leftclass,
2086                                         class
2087                                 );
2088                                 buffer_free(join_buf);
2089                                 jsonIteratorFree(search_itr);
2090                                 return NULL;
2091                         }
2092
2093                 }
2094
2095                 char* type = jsonObjectToSimpleString( jsonObjectGetKeyConst( snode, "type" ) );
2096                 if (type) {
2097                         if ( !strcasecmp(type,"left") ) {
2098                                 buffer_add(join_buf, " LEFT JOIN");
2099                         } else if ( !strcasecmp(type,"right") ) {
2100                                 buffer_add(join_buf, " RIGHT JOIN");
2101                         } else if ( !strcasecmp(type,"full") ) {
2102                                 buffer_add(join_buf, " FULL JOIN");
2103                         } else {
2104                                 buffer_add(join_buf, " INNER JOIN");
2105                         }
2106                 } else {
2107                         buffer_add(join_buf, " INNER JOIN");
2108                 }
2109                 free(type);
2110
2111                 char* table = getSourceDefinition(idlClass);
2112                 buffer_fadd(join_buf, " %s AS \"%s\" ON ( \"%s\".%s = \"%s\".%s", table, class, class, field, leftclass, fkey);
2113                 free(table);
2114
2115                 const jsonObject* filter = jsonObjectGetKeyConst( snode, "filter" );
2116                 if (filter) {
2117                         char* filter_op = jsonObjectToSimpleString( jsonObjectGetKeyConst( snode, "filter_op" ) );
2118                         if (filter_op) {
2119                                 if (!strcasecmp("or",filter_op)) {
2120                                         buffer_add( join_buf, " OR " );
2121                                 } else {
2122                                         buffer_add( join_buf, " AND " );
2123                                 }
2124                         } else {
2125                                 buffer_add( join_buf, " AND " );
2126                         }
2127
2128                         char* jpred = searchWHERE( filter, idlClass, AND_OP_JOIN, NULL );
2129                         OSRF_BUFFER_ADD_CHAR( join_buf, ' ' );
2130                         OSRF_BUFFER_ADD( join_buf, jpred );
2131                         free(jpred);
2132                         free(filter_op);
2133                 }
2134
2135                 buffer_add(join_buf, " ) ");
2136
2137                 const jsonObject* join_filter = jsonObjectGetKeyConst( snode, "join" );
2138                 if (join_filter) {
2139                         char* jpred = searchJOIN( join_filter, idlClass );
2140                         OSRF_BUFFER_ADD_CHAR( join_buf, ' ' );
2141                         OSRF_BUFFER_ADD( join_buf, jpred );
2142                         free(jpred);
2143                 }
2144
2145                 free(fkey);
2146                 free(field);
2147         }
2148
2149     jsonIteratorFree(search_itr);
2150
2151         return buffer_release(join_buf);
2152 }
2153
2154 /*
2155
2156 { +class : { -or|-and : { field : { op : value }, ... } ... }, ... }
2157 { +class : { -or|-and : [ { field : { op : value }, ... }, ...] ... }, ... }
2158 [ { +class : { -or|-and : [ { field : { op : value }, ... }, ...] ... }, ... }, ... ]
2159
2160 */
2161
2162 static char* searchWHERE ( const jsonObject* search_hash, osrfHash* meta, int opjoin_type, osrfMethodContext* ctx ) {
2163
2164         osrfLogDebug(
2165         OSRF_LOG_MARK,
2166         "%s: Entering searchWHERE; search_hash addr = %p, meta addr = %p, opjoin_type = %d, ctx addr = %p",
2167         MODULENAME,
2168         search_hash,
2169         meta,
2170         opjoin_type,
2171         ctx
2172     );
2173
2174         growing_buffer* sql_buf = buffer_init(128);
2175
2176         jsonObject* node = NULL;
2177
2178     int first = 1;
2179     if ( search_hash->type == JSON_ARRAY ) {
2180             osrfLogDebug(OSRF_LOG_MARK, "%s: In WHERE clause, condition type is JSON_ARRAY", MODULENAME);
2181         jsonIterator* search_itr = jsonNewIterator( search_hash );
2182         while ( (node = jsonIteratorNext( search_itr )) ) {
2183             if (first) {
2184                 first = 0;
2185             } else {
2186                 if (opjoin_type == OR_OP_JOIN) buffer_add(sql_buf, " OR ");
2187                 else buffer_add(sql_buf, " AND ");
2188             }
2189
2190             char* subpred = searchWHERE( node, meta, opjoin_type, ctx );
2191             buffer_fadd(sql_buf, "( %s )", subpred);
2192             free(subpred);
2193         }
2194         jsonIteratorFree(search_itr);
2195
2196     } else if ( search_hash->type == JSON_HASH ) {
2197             osrfLogDebug(OSRF_LOG_MARK, "%s: In WHERE clause, condition type is JSON_HASH", MODULENAME);
2198         jsonIterator* search_itr = jsonNewIterator( search_hash );
2199         while ( (node = jsonIteratorNext( search_itr )) ) {
2200
2201             if (first) {
2202                 first = 0;
2203             } else {
2204                 if (opjoin_type == OR_OP_JOIN) buffer_add(sql_buf, " OR ");
2205                 else buffer_add(sql_buf, " AND ");
2206             }
2207
2208             if ( !strncmp("+",search_itr->key,1) ) {
2209                 if ( node->type == JSON_STRING ) {
2210                     char* subpred = jsonObjectToSimpleString( node );
2211                     buffer_fadd(sql_buf, " \"%s\".%s ", search_itr->key + 1, subpred);
2212                     free(subpred);
2213                 } else {
2214                     char* subpred = searchWHERE( node, osrfHashGet( oilsIDL(), search_itr->key + 1 ), AND_OP_JOIN, ctx );
2215                     buffer_fadd(sql_buf, "( %s )", subpred);
2216                     free(subpred);
2217                 }
2218             } else if ( !strcasecmp("-or",search_itr->key) ) {
2219                 char* subpred = searchWHERE( node, meta, OR_OP_JOIN, ctx );
2220                 buffer_fadd(sql_buf, "( %s )", subpred);
2221                 free(subpred);
2222             } else if ( !strcasecmp("-and",search_itr->key) ) {
2223                 char* subpred = searchWHERE( node, meta, AND_OP_JOIN, ctx );
2224                 buffer_fadd(sql_buf, "( %s )", subpred);
2225                 free(subpred);
2226             } else if ( !strcasecmp("-exists",search_itr->key) ) {
2227                 char* subpred = SELECT(
2228                     ctx,
2229                     jsonObjectGetKey( node, "select" ),
2230                     jsonObjectGetKey( node, "from" ),
2231                     jsonObjectGetKey( node, "where" ),
2232                     jsonObjectGetKey( node, "having" ),
2233                     jsonObjectGetKey( node, "order_by" ),
2234                     jsonObjectGetKey( node, "limit" ),
2235                     jsonObjectGetKey( node, "offset" ),
2236                     SUBSELECT
2237                 );
2238
2239                 buffer_fadd(sql_buf, "EXISTS ( %s )", subpred);
2240                 free(subpred);
2241             } else if ( !strcasecmp("-not-exists",search_itr->key) ) {
2242                 char* subpred = SELECT(
2243                     ctx,
2244                     jsonObjectGetKey( node, "select" ),
2245                     jsonObjectGetKey( node, "from" ),
2246                     jsonObjectGetKey( node, "where" ),
2247                     jsonObjectGetKey( node, "having" ),
2248                     jsonObjectGetKey( node, "order_by" ),
2249                     jsonObjectGetKey( node, "limit" ),
2250                     jsonObjectGetKey( node, "offset" ),
2251                     SUBSELECT
2252                 );
2253
2254                 buffer_fadd(sql_buf, "NOT EXISTS ( %s )", subpred);
2255                 free(subpred);
2256             } else {
2257
2258                 char* class = osrfHashGet(meta, "classname");
2259                 osrfHash* fields = osrfHashGet(meta, "fields");
2260                 osrfHash* field = osrfHashGet( fields, search_itr->key );
2261
2262
2263                 if (!field) {
2264                     char* table = getSourceDefinition(meta);
2265                     osrfLogError(
2266                         OSRF_LOG_MARK,
2267                         "%s: Attempt to reference non-existent column %s on %s (%s)",
2268                         MODULENAME,
2269                         search_itr->key,
2270                         table,
2271                         class
2272                     );
2273                     buffer_free(sql_buf);
2274                     free(table);
2275                                         jsonIteratorFree(search_itr);
2276                                         return NULL;
2277                 }
2278
2279                 char* subpred = searchPredicate( class, field, node );
2280                 buffer_add( sql_buf, subpred );
2281                 free(subpred);
2282             }
2283         }
2284             jsonIteratorFree(search_itr);
2285
2286     } else {
2287         // ERROR ... only hash and array allowed at this level
2288         char* predicate_string = jsonObjectToJSON( search_hash );
2289         osrfLogError(
2290             OSRF_LOG_MARK,
2291             "%s: Invalid predicate structure: %s",
2292             MODULENAME,
2293             predicate_string
2294         );
2295         buffer_free(sql_buf);
2296         free(predicate_string);
2297         return NULL;
2298     }
2299
2300
2301         return buffer_release(sql_buf);
2302 }
2303
2304 static char* SELECT (
2305                 /* method context */ osrfMethodContext* ctx,
2306
2307                 /* SELECT   */ jsonObject* selhash,
2308                 /* FROM     */ jsonObject* join_hash,
2309                 /* WHERE    */ jsonObject* search_hash,
2310                 /* HAVING   */ jsonObject* having_hash,
2311                 /* ORDER BY */ jsonObject* order_hash,
2312                 /* LIMIT    */ jsonObject* limit,
2313                 /* OFFSET   */ jsonObject* offset,
2314                 /* flags    */ int flags
2315 ) {
2316         const char* locale = osrf_message_get_last_locale();
2317
2318         // in case we don't get a select list
2319         jsonObject* defaultselhash = NULL;
2320
2321         // general tmp objects
2322         const jsonObject* tmp_const;
2323         jsonObject* selclass = NULL;
2324         jsonObject* selfield = NULL;
2325         jsonObject* snode = NULL;
2326         jsonObject* onode = NULL;
2327
2328         char* string = NULL;
2329         int from_function = 0;
2330         int first = 1;
2331         int gfirst = 1;
2332         //int hfirst = 1;
2333
2334         // the core search class
2335         char* core_class = NULL;
2336
2337         // metadata about the core search class
2338         osrfHash* core_meta = NULL;
2339
2340         // punt if there's no core class
2341         if (!join_hash || ( join_hash->type == JSON_HASH && !join_hash->size ))
2342                 return NULL;
2343
2344         // get the core class -- the only key of the top level FROM clause, or a string
2345         if (join_hash->type == JSON_HASH) {
2346                 jsonIterator* tmp_itr = jsonNewIterator( join_hash );
2347                 snode = jsonIteratorNext( tmp_itr );
2348
2349                 core_class = strdup( tmp_itr->key );
2350                 join_hash = snode;
2351
2352                 jsonObject* extra = jsonIteratorNext( tmp_itr );
2353
2354                 jsonIteratorFree( tmp_itr );
2355                 snode = NULL;
2356
2357                 // There shouldn't be more than one entry in join_hash
2358                 if( extra )
2359                         return NULL;    // Malformed join_hash; extra entry
2360
2361         } else if (join_hash->type == JSON_ARRAY) {
2362                 from_function = 1;
2363                 core_class = jsonObjectToSimpleString( jsonObjectGetIndex(join_hash, 0) );
2364                 selhash = NULL;
2365
2366         } else if (join_hash->type == JSON_STRING) {
2367                 core_class = jsonObjectToSimpleString( join_hash );
2368                 join_hash = NULL;
2369         }
2370         else
2371                 return NULL;
2372
2373         // punt if we don't know about the core class (and it's not a function)
2374         if (!from_function && !(core_meta = osrfHashGet( oilsIDL(), core_class ))) {
2375                 free(core_class);
2376                 return NULL;
2377         }
2378
2379         // if the select list is empty, or the core class field list is '*',
2380         // build the default select list ...
2381         if (!selhash) {
2382                 selhash = defaultselhash = jsonNewObjectType(JSON_HASH);
2383                 jsonObjectSetKey( selhash, core_class, jsonNewObjectType(JSON_ARRAY) );
2384         } else if ( (tmp_const = jsonObjectGetKeyConst( selhash, core_class )) && tmp_const->type == JSON_STRING ) {
2385                 char* _x = jsonObjectToSimpleString( tmp_const );
2386                 if (!strncmp( "*", _x, 1 )) {
2387                         jsonObjectRemoveKey( selhash, core_class );
2388                         jsonObjectSetKey( selhash, core_class, jsonNewObjectType(JSON_ARRAY) );
2389                 }
2390                 free(_x);
2391         }
2392
2393         // the query buffer
2394         growing_buffer* sql_buf = buffer_init(128);
2395
2396         // temp buffer for the SELECT list
2397         growing_buffer* select_buf = buffer_init(128);
2398         growing_buffer* order_buf = buffer_init(128);
2399         growing_buffer* group_buf = buffer_init(128);
2400         growing_buffer* having_buf = buffer_init(128);
2401
2402         // Build a select list
2403         if(from_function)   // From a function we select everything
2404                 OSRF_BUFFER_ADD_CHAR( select_buf, '*' );
2405         else {
2406
2407                 // If we need to build a default list, do so
2408                 jsonObject* _tmp = jsonObjectGetKey( selhash, core_class );
2409                 if ( _tmp && !_tmp->size ) {
2410
2411                         int i = 0;
2412                         char* field;
2413                         osrfHash* core_fields = osrfHashGet( core_meta, "fields" );
2414
2415                 osrfStringArray* keys = osrfHashKeys( core_fields );
2416                         while ( (field = osrfStringArrayGetString(keys, i++)) ) {
2417                                 if( ! str_is_true( osrfHashGet( osrfHashGet( core_fields, field ), "virtual" ) ) )
2418                                         jsonObjectPush( _tmp, jsonNewObject( field ) );   // not virtual; use it
2419                 }
2420                         osrfStringArrayFree(keys);
2421                 }
2422
2423                 // Now build the actual select list
2424             int sel_pos = 1;
2425             jsonObject* is_agg = jsonObjectFindPath(selhash, "//aggregate");
2426             first = 1;
2427             gfirst = 1;
2428             jsonIterator* selclass_itr = jsonNewIterator( selhash );
2429             while ( (selclass = jsonIteratorNext( selclass_itr )) ) {    // For each class
2430
2431                     // round trip through the idl, just to be safe
2432                         const char* cname = selclass_itr->key;
2433                         osrfHash* idlClass = osrfHashGet( oilsIDL(), cname );
2434                     if (!idlClass)
2435                                 // No such class.  Skip it.
2436                                 continue;
2437
2438                     // Make sure the target relation is in the join tree.
2439
2440                         // At this point join_hash is a step down from the join_hash we
2441                         // received as a parameter.  If the original was a JSON_STRING,
2442                         // then json_hash is now NULL.  If the original was a JSON_HASH,
2443                         // then json_hash is now the first (and only) entry in it,
2444                         // denoting the core class.  We've already excluded the
2445                         // possibility that the original was a JSON_ARRAY, because in
2446                         // that case from_function would be non-NULL, and we wouldn't
2447                         // be here.
2448
2449                     if ( strcmp( core_class, cname )) {
2450                             if (!join_hash)
2451                                         // There's only one class in the FROM clause,
2452                                         // and this isn't it.  Skip it.
2453                                         continue;
2454
2455                                 if (join_hash->type == JSON_STRING) {
2456                                     string = jsonObjectToSimpleString(join_hash);
2457                                         int different = strcmp( string, cname );
2458                                     free(string);
2459                                         if ( different )
2460                                                 // There's only one class in the FROM clause,
2461                                                 // and this isn't it.  Skip it.
2462                                                 continue;
2463                                 } else {
2464                                     jsonObject* found = jsonObjectFindPath(join_hash, "//%s", cname);
2465                                         unsigned long size = found->size;
2466                                         jsonObjectFree( found );
2467                                         if ( 0 == size )
2468                                                 // No such class anywhere in the join tree.  Skip it.
2469                                                 continue;
2470                                 }
2471                     }
2472
2473                         // Look up some attributes of the current class, so that we
2474                         // don't have to look them up again for each field
2475                         osrfHash* class_field_set = osrfHashGet( idlClass, "fields" );
2476                         char* class_pkey = osrfHashGet( idlClass, "primarykey" );
2477                         char* class_tname = osrfHashGet( idlClass, "tablename" );
2478
2479                     // stitch together the column list ...
2480                     jsonIterator* select_itr = jsonNewIterator( selclass );
2481                     while ( (selfield = jsonIteratorNext( select_itr )) ) {   // for each SELECT column
2482
2483                                 // If we need a separator comma, add one
2484                                 if (first) {
2485                                         first = 0;
2486                                 } else {
2487                                         OSRF_BUFFER_ADD_CHAR( select_buf, ',' );
2488                                 }
2489
2490                             // ... if it's a string, just toss it on the pile
2491                             if (selfield->type == JSON_STRING) {
2492
2493                                     // again, just to be safe
2494                                         const char* _requested_col = selfield->value.s;
2495                                     osrfHash* field = osrfHashGet( class_field_set, _requested_col );
2496                                     if (!field) continue;               // No such field in current class; skip it
2497
2498                                         const char* col_name = osrfHashGet(field, "name");
2499
2500                     if (locale) {
2501                             const char* i18n;
2502                                     if (flags & DISABLE_I18N)
2503                             i18n = NULL;
2504                                                 else
2505                                                         i18n = osrfHashGet(field, "i18n");
2506
2507                                                 if( str_is_true( i18n ) ) {
2508                             buffer_fadd( select_buf,
2509                                                                 " oils_i18n_xlate('%s', '%s', '%s', '%s', \"%s\".%s::TEXT, '%s') AS \"%s\"",
2510                                                                 class_tname, cname, col_name, class_pkey, cname, class_pkey, locale, col_name );
2511                         } else {
2512                                             buffer_fadd(select_buf, " \"%s\".%s AS \"%s\"", cname, col_name, col_name );
2513                         }
2514                     } else {
2515                                         buffer_fadd(select_buf, " \"%s\".%s AS \"%s\"", cname, col_name, col_name );
2516                     }
2517
2518                             // ... but it could be an object, in which case we check for a Field Transform
2519                             } else {
2520
2521                                     char* _column = jsonObjectToSimpleString( jsonObjectGetKeyConst( selfield, "column" ) );
2522
2523                                     // Get the field definition from the IDL
2524                                     osrfHash* field = osrfHashGet( class_field_set, _column );
2525                                     if (!field) continue;         // No such field defined in IDL.  Skip it.
2526
2527                                         // Decide what to use as a column alias
2528                                         char* _alias;
2529                                         if ((tmp_const = jsonObjectGetKeyConst( selfield, "alias" ))) {
2530                                                 _alias = jsonObjectToSimpleString( tmp_const );
2531                                                 free(_column);
2532                                         } else {         // Use column name as its own alias
2533                                                 _alias = _column;
2534                                         }
2535                                         _column = NULL;   // To emphasize that we're through with _column
2536
2537                                         if (jsonObjectGetKeyConst( selfield, "transform" )) {
2538                                                 char* transform_str = searchFieldTransform(cname, field, selfield);
2539                                                 buffer_fadd(select_buf, " %s AS \"%s\"", transform_str, _alias);
2540                                                 free(transform_str);
2541                                         } else {
2542
2543                                                 const char* fname = osrfHashGet(field, "name");
2544
2545                         if (locale) {
2546                                     const char* i18n;
2547                                         if (flags & DISABLE_I18N)
2548                                 i18n = NULL;
2549                                                         else
2550                                                                 i18n = osrfHashGet(field, "i18n");
2551
2552                                                         if( str_is_true( i18n ) ) {
2553                                 buffer_fadd( select_buf,
2554                                                                         " oils_i18n_xlate('%s', '%s', '%s', '%s', \"%s\".%s::TEXT, '%s') AS \"%s\"",
2555                                                                         class_tname, cname, fname, class_pkey, cname, class_pkey, locale, _alias);
2556                             } else {
2557                                                     buffer_fadd(select_buf, " \"%s\".%s AS \"%s\"", cname, fname, _alias);
2558                             }
2559                         } else {
2560                                                 buffer_fadd(select_buf, " \"%s\".%s AS \"%s\"", cname, fname, _alias);
2561                         }
2562                                     }
2563
2564                                     free(_alias);
2565                             }
2566
2567                             if (is_agg->size || (flags & SELECT_DISTINCT)) {
2568
2569                                         const jsonObject* aggregate_obj = jsonObjectGetKey( selfield, "aggregate" );
2570                                     if ( ! obj_is_true( aggregate_obj ) ) {
2571                                             if (gfirst) {
2572                                                     gfirst = 0;
2573                                             } else {
2574                                                         OSRF_BUFFER_ADD_CHAR( group_buf, ',' );
2575                                             }
2576
2577                                             buffer_fadd(group_buf, " %d", sel_pos);
2578                                         /*
2579                                     } else if (is_agg = jsonObjectGetKey( selfield, "having" )) {
2580                                             if (gfirst) {
2581                                                     gfirst = 0;
2582                                             } else {
2583                                                         OSRF_BUFFER_ADD_CHAR( group_buf, ',' );
2584                                             }
2585
2586                                             _column = searchFieldTransform(cname, field, selfield);
2587                                                 OSRF_BUFFER_ADD_CHAR(group_buf, ' ');
2588                                                 OSRF_BUFFER_ADD(group_buf, _column);
2589                                             _column = searchFieldTransform(cname, field, selfield);
2590                                         */
2591                                     }
2592                             }
2593
2594                             sel_pos++;
2595                     } // end while -- iterating across SELECT columns
2596
2597             jsonIteratorFree(select_itr);
2598             } // end while -- iterating across classes
2599
2600         jsonIteratorFree(selclass_itr);
2601
2602             if (is_agg) jsonObjectFree(is_agg);
2603     }
2604
2605
2606         char* col_list = buffer_release(select_buf);
2607         char* table = NULL;
2608         if (from_function) table = searchValueTransform(join_hash);
2609         else table = getSourceDefinition(core_meta);
2610
2611         // Put it all together
2612         buffer_fadd(sql_buf, "SELECT %s FROM %s AS \"%s\" ", col_list, table, core_class );
2613         free(col_list);
2614         free(table);
2615
2616     if (!from_function) {
2617             // Now, walk the join tree and add that clause
2618             if ( join_hash ) {
2619                     char* join_clause = searchJOIN( join_hash, core_meta );
2620                     buffer_add(sql_buf, join_clause);
2621                     free(join_clause);
2622             }
2623
2624                 // Build a WHERE clause, if there is one
2625             if ( search_hash ) {
2626                     buffer_add(sql_buf, " WHERE ");
2627
2628                     // and it's on the WHERE clause
2629                     char* pred = searchWHERE( search_hash, core_meta, AND_OP_JOIN, ctx );
2630
2631                     if (pred) {
2632                                 buffer_add(sql_buf, pred);
2633                                 free(pred);
2634                         } else {
2635                                 if (ctx) {
2636                                 osrfAppSessionStatus(
2637                                         ctx->session,
2638                                         OSRF_STATUS_INTERNALSERVERERROR,
2639                                         "osrfMethodException",
2640                                         ctx->request,
2641                                         "Severe query error in WHERE predicate -- see error log for more details"
2642                                 );
2643                             }
2644                             free(core_class);
2645                             buffer_free(having_buf);
2646                             buffer_free(group_buf);
2647                             buffer_free(order_buf);
2648                             buffer_free(sql_buf);
2649                             if (defaultselhash) jsonObjectFree(defaultselhash);
2650                             return NULL;
2651                     }
2652         }
2653
2654                 // Build a HAVING clause, if there is one
2655             if ( having_hash ) {
2656                     buffer_add(sql_buf, " HAVING ");
2657
2658                     // and it's on the the WHERE clause
2659                     char* pred = searchWHERE( having_hash, core_meta, AND_OP_JOIN, ctx );
2660
2661                     if (pred) {
2662                                 buffer_add(sql_buf, pred);
2663                                 free(pred);
2664                         } else {
2665                                 if (ctx) {
2666                                 osrfAppSessionStatus(
2667                                         ctx->session,
2668                                         OSRF_STATUS_INTERNALSERVERERROR,
2669                                         "osrfMethodException",
2670                                         ctx->request,
2671                                         "Severe query error in HAVING predicate -- see error log for more details"
2672                                 );
2673                             }
2674                             free(core_class);
2675                             buffer_free(having_buf);
2676                             buffer_free(group_buf);
2677                             buffer_free(order_buf);
2678                             buffer_free(sql_buf);
2679                             if (defaultselhash) jsonObjectFree(defaultselhash);
2680                             return NULL;
2681                     }
2682             }
2683
2684                 // Build an ORDER BY clause, if there is one
2685             first = 1;
2686             jsonIterator* class_itr = jsonNewIterator( order_hash );
2687             while ( (snode = jsonIteratorNext( class_itr )) ) {
2688
2689                     if (!jsonObjectGetKeyConst(selhash,class_itr->key))
2690                             continue;
2691
2692                     if ( snode->type == JSON_HASH ) {
2693
2694                         jsonIterator* order_itr = jsonNewIterator( snode );
2695                             while ( (onode = jsonIteratorNext( order_itr )) ) {
2696
2697                                     if (!oilsIDLFindPath( "/%s/fields/%s", class_itr->key, order_itr->key ))
2698                                             continue;
2699
2700                                     char* direction = NULL;
2701                                     if ( onode->type == JSON_HASH ) {
2702                                             if ( jsonObjectGetKeyConst( onode, "transform" ) ) {
2703                                                     string = searchFieldTransform(
2704                                                             class_itr->key,
2705                                                             oilsIDLFindPath( "/%s/fields/%s", class_itr->key, order_itr->key ),
2706                                                             onode
2707                                                     );
2708                                             } else {
2709                                                     growing_buffer* field_buf = buffer_init(16);
2710                                                     buffer_fadd(field_buf, "\"%s\".%s", class_itr->key, order_itr->key);
2711                                                     string = buffer_release(field_buf);
2712                                             }
2713
2714                                             if ( (tmp_const = jsonObjectGetKeyConst( onode, "direction" )) ) {
2715                                                     direction = jsonObjectToSimpleString(tmp_const);
2716                                                     if (!strncasecmp(direction, "d", 1)) {
2717                                                             free(direction);
2718                                                             direction = " DESC";
2719                                                     } else {
2720                                                             free(direction);
2721                                                             direction = " ASC";
2722                                                     }
2723                                             }
2724
2725                                     } else {
2726                                             string = strdup(order_itr->key);
2727                                             direction = jsonObjectToSimpleString(onode);
2728                                             if (!strncasecmp(direction, "d", 1)) {
2729                                                     free(direction);
2730                                                     direction = " DESC";
2731                                             } else {
2732                                                     free(direction);
2733                                                     direction = " ASC";
2734                                             }
2735                                     }
2736
2737                                     if (first) {
2738                                             first = 0;
2739                                     } else {
2740                                             buffer_add(order_buf, ", ");
2741                                     }
2742
2743                                     buffer_add(order_buf, string);
2744                                     free(string);
2745
2746                                     if (direction) {
2747                                             buffer_add(order_buf, direction);
2748                                     }
2749
2750                             } // end while
2751                 // jsonIteratorFree(order_itr);
2752
2753                     } else if ( snode->type == JSON_ARRAY ) {
2754
2755                         jsonIterator* order_itr = jsonNewIterator( snode );
2756                             while ( (onode = jsonIteratorNext( order_itr )) ) {
2757
2758                                     char* _f = jsonObjectToSimpleString( onode );
2759
2760                                     if (!oilsIDLFindPath( "/%s/fields/%s", class_itr->key, _f))
2761                                             continue;
2762
2763                                     if (first) {
2764                                             first = 0;
2765                                     } else {
2766                                             buffer_add(order_buf, ", ");
2767                                     }
2768
2769                                     buffer_add(order_buf, _f);
2770                                     free(_f);
2771
2772                             } // end while
2773                 // jsonIteratorFree(order_itr);
2774
2775
2776                     // IT'S THE OOOOOOOOOOOLD STYLE!
2777                     } else {
2778                             osrfLogError(OSRF_LOG_MARK, "%s: Possible SQL injection attempt; direct order by is not allowed", MODULENAME);
2779                             if (ctx) {
2780                                 osrfAppSessionStatus(
2781                                         ctx->session,
2782                                         OSRF_STATUS_INTERNALSERVERERROR,
2783                                         "osrfMethodException",
2784                                         ctx->request,
2785                                         "Severe query error -- see error log for more details"
2786                                 );
2787                             }
2788
2789                             free(core_class);
2790                             buffer_free(having_buf);
2791                             buffer_free(group_buf);
2792                             buffer_free(order_buf);
2793                             buffer_free(sql_buf);
2794                             if (defaultselhash) jsonObjectFree(defaultselhash);
2795                             jsonIteratorFree(class_itr);
2796                             return NULL;
2797                     }
2798
2799             } // end while
2800                 // jsonIteratorFree(class_itr);
2801         }
2802
2803
2804         string = buffer_release(group_buf);
2805
2806         if (strlen(string)) {
2807                 OSRF_BUFFER_ADD( sql_buf, " GROUP BY " );
2808                 OSRF_BUFFER_ADD( sql_buf, string );
2809         }
2810
2811         free(string);
2812
2813         string = buffer_release(having_buf);
2814
2815         if (strlen(string)) {
2816                 OSRF_BUFFER_ADD( sql_buf, " HAVING " );
2817                 OSRF_BUFFER_ADD( sql_buf, string );
2818         }
2819
2820         free(string);
2821
2822         string = buffer_release(order_buf);
2823
2824         if (strlen(string)) {
2825                 OSRF_BUFFER_ADD( sql_buf, " ORDER BY " );
2826                 OSRF_BUFFER_ADD( sql_buf, string );
2827         }
2828
2829         free(string);
2830
2831         if ( limit ){
2832                 string = jsonObjectToSimpleString(limit);
2833                 buffer_fadd( sql_buf, " LIMIT %d", atoi(string) );
2834                 free(string);
2835         }
2836
2837         if (offset) {
2838                 string = jsonObjectToSimpleString(offset);
2839                 buffer_fadd( sql_buf, " OFFSET %d", atoi(string) );
2840                 free(string);
2841         }
2842
2843         if (!(flags & SUBSELECT)) OSRF_BUFFER_ADD_CHAR(sql_buf, ';');
2844
2845         free(core_class);
2846         if (defaultselhash) jsonObjectFree(defaultselhash);
2847
2848         return buffer_release(sql_buf);
2849
2850 }
2851
2852 static char* buildSELECT ( jsonObject* search_hash, jsonObject* order_hash, osrfHash* meta, osrfMethodContext* ctx ) {
2853
2854         const char* locale = osrf_message_get_last_locale();
2855
2856         osrfHash* fields = osrfHashGet(meta, "fields");
2857         char* core_class = osrfHashGet(meta, "classname");
2858
2859         const jsonObject* join_hash = jsonObjectGetKeyConst( order_hash, "join" );
2860
2861         jsonObject* node = NULL;
2862         jsonObject* snode = NULL;
2863         jsonObject* onode = NULL;
2864         const jsonObject* _tmp = NULL;
2865         jsonObject* selhash = NULL;
2866         jsonObject* defaultselhash = NULL;
2867
2868         growing_buffer* sql_buf = buffer_init(128);
2869         growing_buffer* select_buf = buffer_init(128);
2870
2871         if ( !(selhash = jsonObjectGetKey( order_hash, "select" )) ) {
2872                 defaultselhash = jsonNewObjectType(JSON_HASH);
2873                 selhash = defaultselhash;
2874         }
2875
2876         if ( !jsonObjectGetKeyConst(selhash,core_class) ) {
2877                 jsonObjectSetKey( selhash, core_class, jsonNewObjectType(JSON_ARRAY) );
2878                 jsonObject* flist = jsonObjectGetKey( selhash, core_class );
2879
2880                 int i = 0;
2881                 char* field;
2882
2883                 osrfStringArray* keys = osrfHashKeys( fields );
2884                 while ( (field = osrfStringArrayGetString(keys, i++)) ) {
2885                         if( ! str_is_true( osrfHashGet( osrfHashGet( fields, field ), "virtual" ) ) )
2886                                 jsonObjectPush( flist, jsonNewObject( field ) );
2887                 }
2888                 osrfStringArrayFree(keys);
2889         }
2890
2891         int first = 1;
2892         jsonIterator* class_itr = jsonNewIterator( selhash );
2893         while ( (snode = jsonIteratorNext( class_itr )) ) {
2894
2895                 osrfHash* idlClass = osrfHashGet( oilsIDL(), class_itr->key );
2896                 if (!idlClass) continue;
2897                 char* cname = osrfHashGet(idlClass, "classname");
2898
2899                 if (strcmp(core_class,class_itr->key)) {
2900                         if (!join_hash) continue;
2901
2902                         jsonObject* found =  jsonObjectFindPath(join_hash, "//%s", class_itr->key);
2903                         if (!found->size) {
2904                                 jsonObjectFree(found);
2905                                 continue;
2906                         }
2907
2908                         jsonObjectFree(found);
2909                 }
2910
2911                 jsonIterator* select_itr = jsonNewIterator( snode );
2912                 while ( (node = jsonIteratorNext( select_itr )) ) {
2913                         char* item_str = jsonObjectToSimpleString(node);
2914                         osrfHash* field = osrfHashGet( osrfHashGet( idlClass, "fields" ), item_str );
2915                         free(item_str);
2916                         char* fname = osrfHashGet(field, "name");
2917
2918                         if (!field) continue;
2919
2920                         if (first) {
2921                                 first = 0;
2922                         } else {
2923                                 OSRF_BUFFER_ADD_CHAR(select_buf, ',');
2924                         }
2925
2926             if (locale) {
2927                         const char* i18n;
2928                                 const jsonObject* no_i18n_obj = jsonObjectGetKey( order_hash, "no_i18n" );
2929                                 if ( obj_is_true( no_i18n_obj ) )    // Suppress internationalization?
2930                                         i18n = NULL;
2931                                 else
2932                                         i18n = osrfHashGet(field, "i18n");
2933
2934                                 if( str_is_true( i18n ) ) {
2935                         char* pkey = osrfHashGet(idlClass, "primarykey");
2936                         char* tname = osrfHashGet(idlClass, "tablename");
2937
2938                     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);
2939                 } else {
2940                                 buffer_fadd(select_buf, " \"%s\".%s", cname, fname);
2941                 }
2942             } else {
2943                             buffer_fadd(select_buf, " \"%s\".%s", cname, fname);
2944             }
2945                 }
2946
2947         jsonIteratorFree(select_itr);
2948         }
2949
2950     jsonIteratorFree(class_itr);
2951
2952         char* col_list = buffer_release(select_buf);
2953         char* table = getSourceDefinition(meta);
2954
2955         buffer_fadd(sql_buf, "SELECT %s FROM %s AS \"%s\"", col_list, table, core_class );
2956         free(col_list);
2957         free(table);
2958
2959         if ( join_hash ) {
2960                 char* join_clause = searchJOIN( join_hash, meta );
2961                 OSRF_BUFFER_ADD_CHAR(sql_buf, ' ');
2962                 OSRF_BUFFER_ADD(sql_buf, join_clause);
2963                 free(join_clause);
2964         }
2965
2966         osrfLogDebug(OSRF_LOG_MARK, "%s pre-predicate SQL =  %s",
2967                                  MODULENAME, OSRF_BUFFER_C_STR(sql_buf));
2968
2969         buffer_add(sql_buf, " WHERE ");
2970
2971         char* pred = searchWHERE( search_hash, meta, AND_OP_JOIN, ctx );
2972         if (!pred) {
2973                 osrfAppSessionStatus(
2974                         ctx->session,
2975                         OSRF_STATUS_INTERNALSERVERERROR,
2976                                 "osrfMethodException",
2977                                 ctx->request,
2978                                 "Severe query error -- see error log for more details"
2979                         );
2980                 buffer_free(sql_buf);
2981                 if(defaultselhash) jsonObjectFree(defaultselhash);
2982                 return NULL;
2983         } else {
2984                 buffer_add(sql_buf, pred);
2985                 free(pred);
2986         }
2987
2988         if (order_hash) {
2989                 char* string = NULL;
2990                 if ( (_tmp = jsonObjectGetKeyConst( order_hash, "order_by" )) ){
2991
2992                         growing_buffer* order_buf = buffer_init(128);
2993
2994                         first = 1;
2995                         jsonIterator* class_itr = jsonNewIterator( _tmp );
2996                         while ( (snode = jsonIteratorNext( class_itr )) ) {
2997
2998                                 if (!jsonObjectGetKeyConst(selhash,class_itr->key))
2999                                         continue;
3000
3001                                 if ( snode->type == JSON_HASH ) {
3002
3003                                         jsonIterator* order_itr = jsonNewIterator( snode );
3004                                         while ( (onode = jsonIteratorNext( order_itr )) ) {
3005
3006                                                 if (!oilsIDLFindPath( "/%s/fields/%s", class_itr->key, order_itr->key ))
3007                                                         continue;
3008
3009                                                 char* direction = NULL;
3010                                                 if ( onode->type == JSON_HASH ) {
3011                                                         if ( jsonObjectGetKeyConst( onode, "transform" ) ) {
3012                                                                 string = searchFieldTransform(
3013                                                                         class_itr->key,
3014                                                                         oilsIDLFindPath( "/%s/fields/%s", class_itr->key, order_itr->key ),
3015                                                                         onode
3016                                                                 );
3017                                                         } else {
3018                                                                 growing_buffer* field_buf = buffer_init(16);
3019                                                                 buffer_fadd(field_buf, "\"%s\".%s", class_itr->key, order_itr->key);
3020                                                                 string = buffer_release(field_buf);
3021                                                         }
3022
3023                                                         if ( (_tmp = jsonObjectGetKeyConst( onode, "direction" )) ) {
3024                                                                 direction = jsonObjectToSimpleString(_tmp);
3025                                                                 if (!strncasecmp(direction, "d", 1)) {
3026                                                                         free(direction);
3027                                                                         direction = " DESC";
3028                                                                 } else {
3029                                                                         free(direction);
3030                                                                         direction = " ASC";
3031                                                                 }
3032                                                         }
3033
3034                                                 } else {
3035                                                         string = strdup(order_itr->key);
3036                                                         direction = jsonObjectToSimpleString(onode);
3037                                                         if (!strncasecmp(direction, "d", 1)) {
3038                                                                 free(direction);
3039                                                                 direction = " DESC";
3040                                                         } else {
3041                                                                 free(direction);
3042                                                                 direction = " ASC";
3043                                                         }
3044                                                 }
3045
3046                                                 if (first) {
3047                                                         first = 0;
3048                                                 } else {
3049                                                         buffer_add(order_buf, ", ");
3050                                                 }
3051
3052                                                 buffer_add(order_buf, string);
3053                                                 free(string);
3054
3055                                                 if (direction) {
3056                                                         buffer_add(order_buf, direction);
3057                                                 }
3058
3059                                         }
3060
3061                     jsonIteratorFree(order_itr);
3062
3063                                 } else {
3064                                         string = jsonObjectToSimpleString(snode);
3065                                         buffer_add(order_buf, string);
3066                                         free(string);
3067                                         break;
3068                                 }
3069
3070                         }
3071
3072             jsonIteratorFree(class_itr);
3073
3074                         string = buffer_release(order_buf);
3075
3076                         if (strlen(string)) {
3077                                 OSRF_BUFFER_ADD( sql_buf, " ORDER BY " );
3078                                 OSRF_BUFFER_ADD( sql_buf, string );
3079                         }
3080
3081                         free(string);
3082                 }
3083
3084                 if ( (_tmp = jsonObjectGetKeyConst( order_hash, "limit" )) ){
3085                         string = jsonObjectToSimpleString(_tmp);
3086                         buffer_fadd(
3087                                 sql_buf,
3088                                 " LIMIT %d",
3089                                 atoi(string)
3090                         );
3091                         free(string);
3092                 }
3093
3094                 _tmp = jsonObjectGetKeyConst( order_hash, "offset" );
3095                 if (_tmp) {
3096                         string = jsonObjectToSimpleString(_tmp);
3097                         buffer_fadd(
3098                                 sql_buf,
3099                                 " OFFSET %d",
3100                                 atoi(string)
3101                         );
3102                         free(string);
3103                 }
3104         }
3105
3106         if (defaultselhash) jsonObjectFree(defaultselhash);
3107
3108         OSRF_BUFFER_ADD_CHAR(sql_buf, ';');
3109         return buffer_release(sql_buf);
3110 }
3111
3112 int doJSONSearch ( osrfMethodContext* ctx ) {
3113         if(osrfMethodVerifyContext( ctx )) {
3114                 osrfLogError( OSRF_LOG_MARK,  "Invalid method context" );
3115                 return -1;
3116         }
3117
3118         osrfLogDebug(OSRF_LOG_MARK, "Recieved query request");
3119
3120         int err = 0;
3121
3122         // XXX for now...
3123         dbhandle = writehandle;
3124
3125         jsonObject* hash = jsonObjectGetIndex(ctx->params, 0);
3126
3127         int flags = 0;
3128
3129         if ( obj_is_true( jsonObjectGetKey( hash, "distinct" ) ) )
3130                 flags |= SELECT_DISTINCT;
3131
3132         if ( obj_is_true( jsonObjectGetKey( hash, "no_i18n" ) ) )
3133                 flags |= DISABLE_I18N;
3134
3135         osrfLogDebug(OSRF_LOG_MARK, "Building SQL ...");
3136         char* sql = SELECT(
3137                         ctx,
3138                         jsonObjectGetKey( hash, "select" ),
3139                         jsonObjectGetKey( hash, "from" ),
3140                         jsonObjectGetKey( hash, "where" ),
3141                         jsonObjectGetKey( hash, "having" ),
3142                         jsonObjectGetKey( hash, "order_by" ),
3143                         jsonObjectGetKey( hash, "limit" ),
3144                         jsonObjectGetKey( hash, "offset" ),
3145                         flags
3146         );
3147
3148         if (!sql) {
3149                 err = -1;
3150                 return err;
3151         }
3152
3153         osrfLogDebug(OSRF_LOG_MARK, "%s SQL =  %s", MODULENAME, sql);
3154         dbi_result result = dbi_conn_query(dbhandle, sql);
3155
3156         if(result) {
3157                 osrfLogDebug(OSRF_LOG_MARK, "Query returned with no errors");
3158
3159                 if (dbi_result_first_row(result)) {
3160                         /* JSONify the result */
3161                         osrfLogDebug(OSRF_LOG_MARK, "Query returned at least one row");
3162
3163                         do {
3164                                 jsonObject* return_val = oilsMakeJSONFromResult( result );
3165                                 osrfAppRespond( ctx, return_val );
3166                 jsonObjectFree( return_val );
3167                         } while (dbi_result_next_row(result));
3168
3169                 } else {
3170                         osrfLogDebug(OSRF_LOG_MARK, "%s returned no results for query %s", MODULENAME, sql);
3171                 }
3172
3173                 osrfAppRespondComplete( ctx, NULL );
3174
3175                 /* clean up the query */
3176                 dbi_result_free(result);
3177
3178         } else {
3179                 err = -1;
3180                 osrfLogError(OSRF_LOG_MARK, "%s: Error with query [%s]", MODULENAME, sql);
3181                 osrfAppSessionStatus(
3182                         ctx->session,
3183                         OSRF_STATUS_INTERNALSERVERERROR,
3184                         "osrfMethodException",
3185                         ctx->request,
3186                         "Severe query error -- see error log for more details"
3187                 );
3188         }
3189
3190         free(sql);
3191         return err;
3192 }
3193
3194 static jsonObject* doFieldmapperSearch ( osrfMethodContext* ctx, osrfHash* meta,
3195                 const jsonObject* params, int* err ) {
3196
3197         // XXX for now...
3198         dbhandle = writehandle;
3199
3200         osrfHash* links = osrfHashGet(meta, "links");
3201         osrfHash* fields = osrfHashGet(meta, "fields");
3202         char* core_class = osrfHashGet(meta, "classname");
3203         char* pkey = osrfHashGet(meta, "primarykey");
3204
3205         const jsonObject* _tmp;
3206         jsonObject* obj;
3207         jsonObject* search_hash = jsonObjectGetIndex(params, 0);
3208         jsonObject* order_hash = jsonObjectGetIndex(params, 1);
3209
3210         char* sql = buildSELECT( search_hash, order_hash, meta, ctx );
3211         if (!sql) {
3212                 osrfLogDebug(OSRF_LOG_MARK, "Problem building query, returning NULL");
3213                 *err = -1;
3214                 return NULL;
3215         }
3216
3217         osrfLogDebug(OSRF_LOG_MARK, "%s SQL =  %s", MODULENAME, sql);
3218
3219         dbi_result result = dbi_conn_query(dbhandle, sql);
3220         if( NULL == result ) {
3221                 osrfLogError(OSRF_LOG_MARK, "%s: Error retrieving %s with query [%s]",
3222                         MODULENAME, osrfHashGet(meta, "fieldmapper"), sql);
3223                 osrfAppSessionStatus(
3224                         ctx->session,
3225                         OSRF_STATUS_INTERNALSERVERERROR,
3226                         "osrfMethodException",
3227                         ctx->request,
3228                         "Severe query error -- see error log for more details"
3229                 );
3230                 *err = -1;
3231                 free(sql);
3232                 return jsonNULL;
3233
3234         } else {
3235                 osrfLogDebug(OSRF_LOG_MARK, "Query returned with no errors");
3236         }
3237
3238         jsonObject* res_list = jsonNewObjectType(JSON_ARRAY);
3239         osrfHash* dedup = osrfNewHash();
3240
3241         if (dbi_result_first_row(result)) {
3242                 /* JSONify the result */
3243                 osrfLogDebug(OSRF_LOG_MARK, "Query returned at least one row");
3244                 do {
3245                         obj = oilsMakeFieldmapperFromResult( result, meta );
3246                         char* pkey_val = oilsFMGetString( obj, pkey );
3247                         if ( osrfHashGet( dedup, pkey_val ) ) {
3248                                 jsonObjectFree(obj);
3249                                 free(pkey_val);
3250                         } else {
3251                                 osrfHashSet( dedup, pkey_val, pkey_val );
3252                                 jsonObjectPush(res_list, obj);
3253                         }
3254                 } while (dbi_result_next_row(result));
3255         } else {
3256                 osrfLogDebug(OSRF_LOG_MARK, "%s returned no results for query %s",
3257                         MODULENAME, sql );
3258         }
3259
3260         osrfHashFree(dedup);
3261         /* clean up the query */
3262         dbi_result_free(result);
3263         free(sql);
3264
3265         if (res_list->size && order_hash) {
3266                 _tmp = jsonObjectGetKeyConst( order_hash, "flesh" );
3267                 if (_tmp) {
3268                         int x = (int)jsonObjectGetNumber(_tmp);
3269                         if (x == -1 || x > max_flesh_depth) x = max_flesh_depth;
3270
3271                         const jsonObject* temp_blob;
3272                         if ((temp_blob = jsonObjectGetKeyConst( order_hash, "flesh_fields" )) && x > 0) {
3273
3274                                 jsonObject* flesh_blob = jsonObjectClone( temp_blob );
3275                                 const jsonObject* flesh_fields = jsonObjectGetKeyConst( flesh_blob, core_class );
3276
3277                                 osrfStringArray* link_fields = NULL;
3278
3279                                 if (flesh_fields) {
3280                                         if (flesh_fields->size == 1) {
3281                                                 char* _t = jsonObjectToSimpleString( jsonObjectGetIndex( flesh_fields, 0 ) );
3282                                                 if (!strcmp(_t,"*")) link_fields = osrfHashKeys( links );
3283                                                 free(_t);
3284                                         }
3285
3286                                         if (!link_fields) {
3287                                                 jsonObject* _f;
3288                                                 link_fields = osrfNewStringArray(1);
3289                                                 jsonIterator* _i = jsonNewIterator( flesh_fields );
3290                                                 while ((_f = jsonIteratorNext( _i ))) {
3291                                                         osrfStringArrayAdd( link_fields, jsonObjectToSimpleString( _f ) );
3292                                                 }
3293                         jsonIteratorFree(_i);
3294                                         }
3295                                 }
3296
3297                                 jsonObject* cur;
3298                                 jsonIterator* itr = jsonNewIterator( res_list );
3299                                 while ((cur = jsonIteratorNext( itr ))) {
3300
3301                                         int i = 0;
3302                                         char* link_field;
3303
3304                                         while ( (link_field = osrfStringArrayGetString(link_fields, i++)) ) {
3305
3306                                                 osrfLogDebug(OSRF_LOG_MARK, "Starting to flesh %s", link_field);
3307
3308                                                 osrfHash* kid_link = osrfHashGet(links, link_field);
3309                                                 if (!kid_link) continue;
3310
3311                                                 osrfHash* field = osrfHashGet(fields, link_field);
3312                                                 if (!field) continue;
3313
3314                                                 osrfHash* value_field = field;
3315
3316                                                 osrfHash* kid_idl = osrfHashGet(oilsIDL(), osrfHashGet(kid_link, "class"));
3317                                                 if (!kid_idl) continue;
3318
3319                                                 if (!(strcmp( osrfHashGet(kid_link, "reltype"), "has_many" ))) { // has_many
3320                                                         value_field = osrfHashGet( fields, osrfHashGet(meta, "primarykey") );
3321                                                 }
3322
3323                                                 if (!(strcmp( osrfHashGet(kid_link, "reltype"), "might_have" ))) { // might_have
3324                                                         value_field = osrfHashGet( fields, osrfHashGet(meta, "primarykey") );
3325                                                 }
3326
3327                                                 osrfStringArray* link_map = osrfHashGet( kid_link, "map" );
3328
3329                                                 if (link_map->size > 0) {
3330                                                         jsonObject* _kid_key = jsonNewObjectType(JSON_ARRAY);
3331                                                         jsonObjectPush(
3332                                                                 _kid_key,
3333                                                                 jsonNewObject( osrfStringArrayGetString( link_map, 0 ) )
3334                                                         );
3335
3336                                                         jsonObjectSetKey(
3337                                                                 flesh_blob,
3338                                                                 osrfHashGet(kid_link, "class"),
3339                                                                 _kid_key
3340                                                         );
3341                                                 };
3342
3343                                                 osrfLogDebug(
3344                                                         OSRF_LOG_MARK,
3345                                                         "Link field: %s, remote class: %s, fkey: %s, reltype: %s",
3346                                                         osrfHashGet(kid_link, "field"),
3347                                                         osrfHashGet(kid_link, "class"),
3348                                                         osrfHashGet(kid_link, "key"),
3349                                                         osrfHashGet(kid_link, "reltype")
3350                                                 );
3351
3352                                                 jsonObject* fake_params = jsonNewObjectType(JSON_ARRAY);
3353                                                 jsonObjectPush(fake_params, jsonNewObjectType(JSON_HASH)); // search hash
3354                                                 jsonObjectPush(fake_params, jsonNewObjectType(JSON_HASH)); // order/flesh hash
3355
3356                                                 osrfLogDebug(OSRF_LOG_MARK, "Creating dummy params object...");
3357
3358                                                 char* search_key =
3359                                                 jsonObjectToSimpleString(
3360                                                         jsonObjectGetIndex(
3361                                                                 cur,
3362                                                                 atoi( osrfHashGet(value_field, "array_position") )
3363                                                         )
3364                                                 );
3365
3366                                                 if (!search_key) {
3367                                                         osrfLogDebug(OSRF_LOG_MARK, "Nothing to search for!");
3368                                                         continue;
3369                                                 }
3370
3371                                                 jsonObjectSetKey(
3372                                                         jsonObjectGetIndex(fake_params, 0),
3373                                                         osrfHashGet(kid_link, "key"),
3374                                                         jsonNewObject( search_key )
3375                                                 );
3376
3377                                                 free(search_key);
3378
3379
3380                                                 jsonObjectSetKey(
3381                                                         jsonObjectGetIndex(fake_params, 1),
3382                                                         "flesh",
3383                                                         jsonNewNumberObject( (double)(x - 1 + link_map->size) )
3384                                                 );
3385
3386                                                 if (flesh_blob)
3387                                                         jsonObjectSetKey( jsonObjectGetIndex(fake_params, 1), "flesh_fields", jsonObjectClone(flesh_blob) );
3388
3389                                                 if (jsonObjectGetKeyConst(order_hash, "order_by")) {
3390                                                         jsonObjectSetKey(
3391                                                                 jsonObjectGetIndex(fake_params, 1),
3392                                                                 "order_by",
3393                                                                 jsonObjectClone(jsonObjectGetKeyConst(order_hash, "order_by"))
3394                                                         );
3395                                                 }
3396
3397                                                 if (jsonObjectGetKeyConst(order_hash, "select")) {
3398                                                         jsonObjectSetKey(
3399                                                                 jsonObjectGetIndex(fake_params, 1),
3400                                                                 "select",
3401                                                                 jsonObjectClone(jsonObjectGetKeyConst(order_hash, "select"))
3402                                                         );
3403                                                 }
3404
3405                                                 jsonObject* kids = doFieldmapperSearch(ctx, kid_idl, fake_params, err);
3406
3407                                                 if(*err) {
3408                                                         jsonObjectFree( fake_params );
3409                                                         osrfStringArrayFree(link_fields);
3410                                                         jsonIteratorFree(itr);
3411                                                         jsonObjectFree(res_list);
3412                                                         jsonObjectFree(flesh_blob);
3413                                                         return jsonNULL;
3414                                                 }
3415
3416                                                 osrfLogDebug(OSRF_LOG_MARK, "Search for %s return %d linked objects", osrfHashGet(kid_link, "class"), kids->size);
3417
3418                                                 jsonObject* X = NULL;
3419                                                 if ( link_map->size > 0 && kids->size > 0 ) {
3420                                                         X = kids;
3421                                                         kids = jsonNewObjectType(JSON_ARRAY);
3422
3423                                                         jsonObject* _k_node;
3424                                                         jsonIterator* _k = jsonNewIterator( X );
3425                                                         while ((_k_node = jsonIteratorNext( _k ))) {
3426                                                                 jsonObjectPush(
3427                                                                         kids,
3428                                                                         jsonObjectClone(
3429                                                                                 jsonObjectGetIndex(
3430                                                                                         _k_node,
3431                                                                                         (unsigned long)atoi(
3432                                                                                                 osrfHashGet(
3433                                                                                                         osrfHashGet(
3434                                                                                                                 osrfHashGet(
3435                                                                                                                         osrfHashGet(
3436                                                                                                                                 oilsIDL(),
3437                                                                                                                                 osrfHashGet(kid_link, "class")
3438                                                                                                                         ),
3439                                                                                                                         "fields"
3440                                                                                                                 ),
3441                                                                                                                 osrfStringArrayGetString( link_map, 0 )
3442                                                                                                         ),
3443                                                                                                         "array_position"
3444                                                                                                 )
3445                                                                                         )
3446                                                                                 )
3447                                                                         )
3448                                                                 );
3449                                                         }
3450                                                         jsonIteratorFree(_k);
3451                                                 }
3452
3453                                                 if (!(strcmp( osrfHashGet(kid_link, "reltype"), "has_a" )) || !(strcmp( osrfHashGet(kid_link, "reltype"), "might_have" ))) {
3454                                                         osrfLogDebug(OSRF_LOG_MARK, "Storing fleshed objects in %s", osrfHashGet(kid_link, "field"));
3455                                                         jsonObjectSetIndex(
3456                                                                 cur,
3457                                                                 (unsigned long)atoi( osrfHashGet( field, "array_position" ) ),
3458                                                                 jsonObjectClone( jsonObjectGetIndex(kids, 0) )
3459                                                         );
3460                                                 }
3461
3462                                                 if (!(strcmp( osrfHashGet(kid_link, "reltype"), "has_many" ))) { // has_many
3463                                                         osrfLogDebug(OSRF_LOG_MARK, "Storing fleshed objects in %s", osrfHashGet(kid_link, "field"));
3464                                                         jsonObjectSetIndex(
3465                                                                 cur,
3466                                                                 (unsigned long)atoi( osrfHashGet( field, "array_position" ) ),
3467                                                                 jsonObjectClone( kids )
3468                                                         );
3469                                                 }
3470
3471                                                 if (X) {
3472                                                         jsonObjectFree(kids);
3473                                                         kids = X;
3474                                                 }
3475
3476                                                 jsonObjectFree( kids );
3477                                                 jsonObjectFree( fake_params );
3478
3479                                                 osrfLogDebug(OSRF_LOG_MARK, "Fleshing of %s complete", osrfHashGet(kid_link, "field"));
3480                                                 osrfLogDebug(OSRF_LOG_MARK, "%s", jsonObjectToJSON(cur));
3481
3482                                         }
3483                                 }
3484                                 jsonObjectFree( flesh_blob );
3485                                 osrfStringArrayFree(link_fields);
3486                                 jsonIteratorFree(itr);
3487                         }
3488                 }
3489         }
3490
3491         return res_list;
3492 }
3493
3494
3495 static jsonObject* doUpdate(osrfMethodContext* ctx, int* err ) {
3496
3497         osrfHash* meta = osrfHashGet( (osrfHash*) ctx->method->userData, "class" );
3498 #ifdef PCRUD
3499         jsonObject* target = jsonObjectGetIndex( ctx->params, 1 );
3500 #else
3501         jsonObject* target = jsonObjectGetIndex( ctx->params, 0 );
3502 #endif
3503
3504         if (!verifyObjectClass(ctx, target)) {
3505                 *err = -1;
3506                 return jsonNULL;
3507         }
3508
3509         if (!osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )) {
3510                 osrfAppSessionStatus(
3511                         ctx->session,
3512                         OSRF_STATUS_BADREQUEST,
3513                         "osrfMethodException",
3514                         ctx->request,
3515                         "No active transaction -- required for UPDATE"
3516                 );
3517                 *err = -1;
3518                 return jsonNULL;
3519         }
3520
3521         // The following test is harmless but redundant.  If a class is
3522         // readonly, we don't register an update method for it.
3523         if( str_is_true( osrfHashGet( meta, "readonly" ) ) ) {
3524                 osrfAppSessionStatus(
3525                         ctx->session,
3526                         OSRF_STATUS_BADREQUEST,
3527                         "osrfMethodException",
3528                         ctx->request,
3529                         "Cannot UPDATE readonly class"
3530                 );
3531                 *err = -1;
3532                 return jsonNULL;
3533         }
3534
3535         dbhandle = writehandle;
3536
3537         char* trans_id = osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" );
3538
3539         // Set the last_xact_id
3540         int index = oilsIDL_ntop( target->classname, "last_xact_id" );
3541         if (index > -1) {
3542                 osrfLogDebug(OSRF_LOG_MARK, "Setting last_xact_id to %s on %s at position %d", trans_id, target->classname, index);
3543                 jsonObjectSetIndex(target, index, jsonNewObject(trans_id));
3544         }
3545
3546         char* pkey = osrfHashGet(meta, "primarykey");
3547         osrfHash* fields = osrfHashGet(meta, "fields");
3548
3549         char* id = oilsFMGetString( target, pkey );
3550
3551         osrfLogDebug(
3552                 OSRF_LOG_MARK,
3553                 "%s updating %s object with %s = %s",
3554                 MODULENAME,
3555                 osrfHashGet(meta, "fieldmapper"),
3556                 pkey,
3557                 id
3558         );
3559
3560         growing_buffer* sql = buffer_init(128);
3561         buffer_fadd(sql,"UPDATE %s SET", osrfHashGet(meta, "tablename"));
3562
3563         int i = 0;
3564         int first = 1;
3565         char* field_name;
3566         osrfStringArray* field_list = osrfHashKeys( fields );
3567         while ( (field_name = osrfStringArrayGetString(field_list, i++)) ) {
3568
3569                 osrfHash* field = osrfHashGet( fields, field_name );
3570
3571                 if(!( strcmp( field_name, pkey ) )) continue;
3572                 if( str_is_true( osrfHashGet(osrfHashGet(fields,field_name), "virtual") ) )
3573                         continue;
3574
3575                 const jsonObject* field_object = oilsFMGetObject( target, field_name );
3576
3577                 char* value;
3578                 if (field_object && field_object->classname) {
3579                         value = oilsFMGetString(
3580                                 field_object,
3581                                 (char*)oilsIDLFindPath("/%s/primarykey", field_object->classname)
3582             );
3583                 } else {
3584                         value = jsonObjectToSimpleString( field_object );
3585                 }
3586
3587                 osrfLogDebug( OSRF_LOG_MARK, "Updating %s object with %s = %s", osrfHashGet(meta, "fieldmapper"), field_name, value);
3588
3589                 if (!field_object || field_object->type == JSON_NULL) {
3590                         if ( !(!( strcmp( osrfHashGet(meta, "classname"), "au" ) ) && !( strcmp( field_name, "passwd" ) )) ) { // arg at the special case!
3591                                 if (first) first = 0;
3592                                 else OSRF_BUFFER_ADD_CHAR(sql, ',');
3593                                 buffer_fadd( sql, " %s = NULL", field_name );
3594                         }
3595
3596                 } else if ( !strcmp(osrfHashGet(field, "primitive"), "number") ) {
3597                         if (first) first = 0;
3598                         else OSRF_BUFFER_ADD_CHAR(sql, ',');
3599
3600                         if ( !strncmp(osrfHashGet(field, "datatype"), "INT", (size_t)3) ) {
3601                                 buffer_fadd( sql, " %s = %ld", field_name, atol(value) );
3602                         } else if ( !strcmp(osrfHashGet(field, "datatype"), "NUMERIC") ) {
3603                                 buffer_fadd( sql, " %s = %f", field_name, atof(value) );
3604                         }
3605
3606                         osrfLogDebug( OSRF_LOG_MARK, "%s is of type %s", field_name, osrfHashGet(field, "datatype"));
3607
3608                 } else {
3609                         if ( dbi_conn_quote_string(dbhandle, &value) ) {
3610                                 if (first) first = 0;
3611                                 else OSRF_BUFFER_ADD_CHAR(sql, ',');
3612                                 buffer_fadd( sql, " %s = %s", field_name, value );
3613
3614                         } else {
3615                                 osrfLogError(OSRF_LOG_MARK, "%s: Error quoting string [%s]", MODULENAME, value);
3616                                 osrfAppSessionStatus(
3617                                         ctx->session,
3618                                         OSRF_STATUS_INTERNALSERVERERROR,
3619                                         "osrfMethodException",
3620                                         ctx->request,
3621                                         "Error quoting string -- please see the error log for more details"
3622                                 );
3623                                 free(value);
3624                                 free(id);
3625                                 buffer_free(sql);
3626                                 *err = -1;
3627                                 return jsonNULL;
3628                         }
3629                 }
3630
3631                 free(value);
3632
3633         }
3634
3635         jsonObject* obj = jsonNewObject(id);
3636
3637         if ( strcmp( osrfHashGet( osrfHashGet( osrfHashGet(meta, "fields"), pkey ), "primitive" ), "number" ) )
3638                 dbi_conn_quote_string(dbhandle, &id);
3639
3640         buffer_fadd( sql, " WHERE %s = %s;", pkey, id );
3641
3642         char* query = buffer_release(sql);
3643         osrfLogDebug(OSRF_LOG_MARK, "%s: Update SQL [%s]", MODULENAME, query);
3644
3645         dbi_result result = dbi_conn_query(dbhandle, query);
3646         free(query);
3647
3648         if (!result) {
3649                 jsonObjectFree(obj);
3650                 obj = jsonNewObject(NULL);
3651                 osrfLogError(
3652                         OSRF_LOG_MARK,
3653                         "%s ERROR updating %s object with %s = %s",
3654                         MODULENAME,
3655                         osrfHashGet(meta, "fieldmapper"),
3656                         pkey,
3657                         id
3658                 );
3659         }
3660
3661         free(id);
3662
3663         return obj;
3664 }
3665
3666 static jsonObject* doDelete(osrfMethodContext* ctx, int* err ) {
3667
3668         osrfHash* meta = osrfHashGet( (osrfHash*) ctx->method->userData, "class" );
3669
3670         if (!osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )) {
3671                 osrfAppSessionStatus(
3672                         ctx->session,
3673                         OSRF_STATUS_BADREQUEST,
3674                         "osrfMethodException",
3675                         ctx->request,
3676                         "No active transaction -- required for DELETE"
3677                 );
3678                 *err = -1;
3679                 return jsonNULL;
3680         }
3681
3682         // The following test is harmless but redundant.  If a class is
3683         // readonly, we don't register a delete method for it.
3684         if( str_is_true( osrfHashGet( meta, "readonly" ) ) ) {
3685                 osrfAppSessionStatus(
3686                         ctx->session,
3687                         OSRF_STATUS_BADREQUEST,
3688                         "osrfMethodException",
3689                         ctx->request,
3690                         "Cannot DELETE readonly class"
3691                 );
3692                 *err = -1;
3693                 return jsonNULL;
3694         }
3695
3696         dbhandle = writehandle;
3697
3698         jsonObject* obj;
3699
3700         char* pkey = osrfHashGet(meta, "primarykey");
3701
3702         int _obj_pos = 0;
3703 #ifdef PCRUD
3704                 _obj_pos = 1;
3705 #endif
3706
3707         char* id;
3708         if (jsonObjectGetIndex(ctx->params, _obj_pos)->classname) {
3709                 if (!verifyObjectClass(ctx, jsonObjectGetIndex( ctx->params, _obj_pos ))) {
3710                         *err = -1;
3711                         return jsonNULL;
3712                 }
3713
3714                 id = oilsFMGetString( jsonObjectGetIndex(ctx->params, _obj_pos), pkey );
3715         } else {
3716 #ifdef PCRUD
3717         if (!verifyObjectPCRUD( ctx, NULL )) {
3718                         *err = -1;
3719                         return jsonNULL;
3720         }
3721 #endif
3722                 id = jsonObjectToSimpleString(jsonObjectGetIndex(ctx->params, _obj_pos));
3723         }
3724
3725         osrfLogDebug(
3726                 OSRF_LOG_MARK,
3727                 "%s deleting %s object with %s = %s",
3728                 MODULENAME,
3729                 osrfHashGet(meta, "fieldmapper"),
3730                 pkey,
3731                 id
3732         );
3733
3734         obj = jsonNewObject(id);
3735
3736         if ( strcmp( osrfHashGet( osrfHashGet( osrfHashGet(meta, "fields"), pkey ), "primitive" ), "number" ) )
3737                 dbi_conn_quote_string(writehandle, &id);
3738
3739         dbi_result result = dbi_conn_queryf(writehandle, "DELETE FROM %s WHERE %s = %s;", osrfHashGet(meta, "tablename"), pkey, id);
3740
3741         if (!result) {
3742                 jsonObjectFree(obj);
3743                 obj = jsonNewObject(NULL);
3744                 osrfLogError(
3745                         OSRF_LOG_MARK,
3746                         "%s ERROR deleting %s object with %s = %s",
3747                         MODULENAME,
3748                         osrfHashGet(meta, "fieldmapper"),
3749                         pkey,
3750                         id
3751                 );
3752         }
3753
3754         free(id);
3755
3756         return obj;
3757
3758 }
3759
3760
3761 static jsonObject* oilsMakeFieldmapperFromResult( dbi_result result, osrfHash* meta) {
3762         if(!(result && meta)) return jsonNULL;
3763
3764         jsonObject* object = jsonNewObject(NULL);
3765         jsonObjectSetClass(object, osrfHashGet(meta, "classname"));
3766
3767         osrfHash* fields = osrfHashGet(meta, "fields");
3768
3769         osrfLogInternal(OSRF_LOG_MARK, "Setting object class to %s ", object->classname);
3770
3771         osrfHash* _f;
3772         time_t _tmp_dt;
3773         char dt_string[256];
3774         struct tm gmdt;
3775
3776         int fmIndex;
3777         int columnIndex = 1;
3778         int attr;
3779         unsigned short type;
3780         const char* columnName;
3781
3782         /* cycle through the column list */
3783         while( (columnName = dbi_result_get_field_name(result, columnIndex++)) ) {
3784
3785                 osrfLogInternal(OSRF_LOG_MARK, "Looking for column named [%s]...", (char*)columnName);
3786
3787                 fmIndex = -1; // reset the position
3788
3789                 /* determine the field type and storage attributes */
3790                 type = dbi_result_get_field_type(result, columnName);
3791                 attr = dbi_result_get_field_attribs(result, columnName);
3792
3793                 /* fetch the fieldmapper index */
3794                 if( (_f = osrfHashGet(fields, (char*)columnName)) ) {
3795
3796                         if ( str_is_true( osrfHashGet(_f, "virtual") ) )
3797                                 continue;
3798
3799                         const char* pos = (char*)osrfHashGet(_f, "array_position");
3800                         if ( !pos ) continue;
3801
3802                         fmIndex = atoi( pos );
3803                         osrfLogInternal(OSRF_LOG_MARK, "... Found column at position [%s]...", pos);
3804                 } else {
3805                         continue;
3806                 }
3807
3808                 if (dbi_result_field_is_null(result, columnName)) {
3809                         jsonObjectSetIndex( object, fmIndex, jsonNewObject(NULL) );
3810                 } else {
3811
3812                         switch( type ) {
3813
3814                                 case DBI_TYPE_INTEGER :
3815
3816                                         if( attr & DBI_INTEGER_SIZE8 )
3817                                                 jsonObjectSetIndex( object, fmIndex,
3818                                                         jsonNewNumberObject(dbi_result_get_longlong(result, columnName)));
3819                                         else
3820                                                 jsonObjectSetIndex( object, fmIndex,
3821                                                         jsonNewNumberObject(dbi_result_get_int(result, columnName)));
3822
3823                                         break;
3824
3825                                 case DBI_TYPE_DECIMAL :
3826                                         jsonObjectSetIndex( object, fmIndex,
3827                                                         jsonNewNumberObject(dbi_result_get_double(result, columnName)));
3828                                         break;
3829
3830                                 case DBI_TYPE_STRING :
3831
3832
3833                                         jsonObjectSetIndex(
3834                                                 object,
3835                                                 fmIndex,
3836                                                 jsonNewObject( dbi_result_get_string(result, columnName) )
3837                                         );
3838
3839                                         break;
3840
3841                                 case DBI_TYPE_DATETIME :
3842
3843                                         memset(dt_string, '\0', sizeof(dt_string));
3844                                         memset(&gmdt, '\0', sizeof(gmdt));
3845
3846                                         _tmp_dt = dbi_result_get_datetime(result, columnName);
3847
3848
3849                                         if (!(attr & DBI_DATETIME_DATE)) {
3850                                                 gmtime_r( &_tmp_dt, &gmdt );
3851                                                 strftime(dt_string, sizeof(dt_string), "%T", &gmdt);
3852                                         } else if (!(attr & DBI_DATETIME_TIME)) {
3853                                                 localtime_r( &_tmp_dt, &gmdt );
3854                                                 strftime(dt_string, sizeof(dt_string), "%F", &gmdt);
3855                                         } else {
3856                                                 localtime_r( &_tmp_dt, &gmdt );
3857                                                 strftime(dt_string, sizeof(dt_string), "%FT%T%z", &gmdt);
3858                                         }
3859
3860                                         jsonObjectSetIndex( object, fmIndex, jsonNewObject(dt_string) );
3861
3862                                         break;
3863
3864                                 case DBI_TYPE_BINARY :
3865                                         osrfLogError( OSRF_LOG_MARK,
3866                                                 "Can't do binary at column %s : index %d", columnName, columnIndex - 1);
3867                         }
3868                 }
3869         }
3870
3871         return object;
3872 }
3873
3874 static jsonObject* oilsMakeJSONFromResult( dbi_result result ) {
3875         if(!result) return jsonNULL;
3876
3877         jsonObject* object = jsonNewObject(NULL);
3878
3879         time_t _tmp_dt;
3880         char dt_string[256];
3881         struct tm gmdt;
3882
3883         int fmIndex;
3884         int columnIndex = 1;
3885         int attr;
3886         unsigned short type;
3887         const char* columnName;
3888
3889         /* cycle through the column list */
3890         while( (columnName = dbi_result_get_field_name(result, columnIndex++)) ) {
3891
3892                 osrfLogInternal(OSRF_LOG_MARK, "Looking for column named [%s]...", (char*)columnName);
3893
3894                 fmIndex = -1; // reset the position
3895
3896                 /* determine the field type and storage attributes */
3897                 type = dbi_result_get_field_type(result, columnName);
3898                 attr = dbi_result_get_field_attribs(result, columnName);
3899
3900                 if (dbi_result_field_is_null(result, columnName)) {
3901                         jsonObjectSetKey( object, columnName, jsonNewObject(NULL) );
3902                 } else {
3903
3904                         switch( type ) {
3905
3906                                 case DBI_TYPE_INTEGER :
3907
3908                                         if( attr & DBI_INTEGER_SIZE8 )
3909                                                 jsonObjectSetKey( object, columnName, jsonNewNumberObject(dbi_result_get_longlong(result, columnName)) );
3910                                         else
3911                                                 jsonObjectSetKey( object, columnName, jsonNewNumberObject(dbi_result_get_int(result, columnName)) );
3912                                         break;
3913
3914                                 case DBI_TYPE_DECIMAL :
3915                                         jsonObjectSetKey( object, columnName, jsonNewNumberObject(dbi_result_get_double(result, columnName)) );
3916                                         break;
3917
3918                                 case DBI_TYPE_STRING :
3919                                         jsonObjectSetKey( object, columnName, jsonNewObject(dbi_result_get_string(result, columnName)) );
3920                                         break;
3921
3922                                 case DBI_TYPE_DATETIME :
3923
3924                                         memset(dt_string, '\0', sizeof(dt_string));
3925                                         memset(&gmdt, '\0', sizeof(gmdt));
3926
3927                                         _tmp_dt = dbi_result_get_datetime(result, columnName);
3928
3929
3930                                         if (!(attr & DBI_DATETIME_DATE)) {
3931                                                 gmtime_r( &_tmp_dt, &gmdt );
3932                                                 strftime(dt_string, sizeof(dt_string), "%T", &gmdt);
3933                                         } else if (!(attr & DBI_DATETIME_TIME)) {
3934                                                 localtime_r( &_tmp_dt, &gmdt );
3935                                                 strftime(dt_string, sizeof(dt_string), "%F", &gmdt);
3936                                         } else {
3937                                                 localtime_r( &_tmp_dt, &gmdt );
3938                                                 strftime(dt_string, sizeof(dt_string), "%FT%T%z", &gmdt);
3939                                         }
3940
3941                                         jsonObjectSetKey( object, columnName, jsonNewObject(dt_string) );
3942                                         break;
3943
3944                                 case DBI_TYPE_BINARY :
3945                                         osrfLogError( OSRF_LOG_MARK,
3946                                                 "Can't do binary at column %s : index %d", columnName, columnIndex - 1);
3947                         }
3948                 }
3949         }
3950
3951         return object;
3952 }
3953
3954 // Interpret a string as true or false
3955 static int str_is_true( const char* str ) {
3956         if( NULL == str || strcasecmp( str, "true" ) )
3957                 return 0;
3958         else
3959                 return 1;
3960 }
3961
3962 // Interpret a jsonObject as true or false
3963 static int obj_is_true( const jsonObject* obj ) {
3964         if( !obj )
3965                 return 0;
3966         else switch( obj->type )
3967         {
3968                 case JSON_BOOL :
3969                         if( obj->value.b )
3970                                 return 1;
3971                         else
3972                                 return 0;
3973                 case JSON_STRING :
3974                         if( strcasecmp( obj->value.s, "true" ) )
3975                                 return 0;
3976                         else
3977                                 return 1;
3978                 case JSON_NUMBER :          // Support 1/0 for perl's sake
3979                         if( jsonObjectGetNumber( obj ) == 1.0 )
3980                                 return 1;
3981                         else
3982                                 return 0;
3983                 default :
3984                         return 0;
3985         }
3986 }