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

   1 #include "opensrf/osrf_application.h"
   2 #include "opensrf/osrf_settings.h"
   3 #include "opensrf/osrf_message.h"
   4 #include "opensrf/utils.h"
   5 #include "opensrf/osrf_json.h"
   6 #include "opensrf/log.h"
   7 #include "openils/oils_utils.h"
   8 #include <dbi/dbi.h>
   9
  10 #include <time.h>
  11 #include <stdlib.h>
  12 #include <string.h>
  13 #include <unistd.h>
  14
  15 #ifdef RSTORE
  16 #  define MODULENAME "open-ils.reporter-store"
  17 #else
  18 #  ifdef PCRUD
  19 #    define MODULENAME "open-ils.pcrud"
  20 #  else
  21 #    define MODULENAME "open-ils.cstore"
  22 #  endif
  23 #endif
  24
  25 #define SUBSELECT       4
  26 #define DISABLE_I18N    2
  27 #define SELECT_DISTINCT 1
  28 #define AND_OP_JOIN     0
  29 #define OR_OP_JOIN      1
  30
  31 int osrfAppChildInit();
  32 int osrfAppInitialize();
  33 void osrfAppChildExit();
  34
  35 static int verifyObjectClass ( osrfMethodContext*, const jsonObject* );
  36
  37 int beginTransaction ( osrfMethodContext* );
  38 int commitTransaction ( osrfMethodContext* );
  39 int rollbackTransaction ( osrfMethodContext* );
  40
  41 int setSavepoint ( osrfMethodContext* );
  42 int releaseSavepoint ( osrfMethodContext* );
  43 int rollbackSavepoint ( osrfMethodContext* );
  44
  45 int doJSONSearch ( osrfMethodContext* );
  46
  47 int dispatchCRUDMethod ( osrfMethodContext* );
  48 static jsonObject* doCreate ( osrfMethodContext*, int* );
  49 static jsonObject* doRetrieve ( osrfMethodContext*, int* );
  50 static jsonObject* doUpdate ( osrfMethodContext*, int* );
  51 static jsonObject* doDelete ( osrfMethodContext*, int* );
  52 static jsonObject* doFieldmapperSearch ( osrfMethodContext*, osrfHash*,
  53         const jsonObject*, int* );
  54 static jsonObject* oilsMakeFieldmapperFromResult( dbi_result, osrfHash* );
  55 static jsonObject* oilsMakeJSONFromResult( dbi_result );
  56
  57 static char* searchWriteSimplePredicate ( const char*, osrfHash*,
  58         const char*, const char*, const char* );
  59 static char* searchSimplePredicate ( const char*, const char*, osrfHash*, const jsonObject* );
  60 static char* searchFunctionPredicate ( const char*, osrfHash*, const jsonObject*, const char* );
  61 static char* searchFieldTransform ( const char*, osrfHash*, const jsonObject*);
  62 static char* searchFieldTransformPredicate ( const char*, osrfHash*, jsonObject*, const char* );
  63 static char* searchBETWEENPredicate ( const char*, osrfHash*, jsonObject* );
  64 static char* searchINPredicate ( const char*, osrfHash*, const jsonObject*, const char* );
  65 static char* searchPredicate ( const char*, osrfHash*, jsonObject* );
  66 static char* searchJOIN ( const jsonObject*, osrfHash* );
  67 static char* searchWHERE ( const jsonObject*, osrfHash*, int, osrfMethodContext* );
  68 static char* buildSELECT ( jsonObject*, jsonObject*, osrfHash*, osrfMethodContext* );
  69
  70 static char* SELECT ( osrfMethodContext*, jsonObject*, jsonObject*, jsonObject*, jsonObject*, jsonObject*, jsonObject*, jsonObject*, int );
  71
  72 void userDataFree( void* );
  73 static void sessionDataFree( char*, void* );
  74 static char* getSourceDefinition( osrfHash* );
  75
  76 #ifdef PCRUD
  77 static int verifyObjectPCRUD( osrfMethodContext*, const jsonObject* );
  78 #endif
  79
  80 static dbi_conn writehandle; /* our MASTER db connection */
  81 static dbi_conn dbhandle; /* our CURRENT db connection */
  82 //static osrfHash * readHandles;
  83 static jsonObject* jsonNULL = NULL; //
  84 static int max_flesh_depth = 100;
  85
  86 /* called when this process is about to exit */
  87 void osrfAppChildExit() {
  88     osrfLogDebug(OSRF_LOG_MARK, "Child is exiting, disconnecting from database...");
  89
  90     int same = 0;
  91     if (writehandle == dbhandle) same = 1;
  92     if (writehandle) {
  93         dbi_conn_query(writehandle, "ROLLBACK;");
  94         dbi_conn_close(writehandle);
  95         writehandle = NULL;
  96     }
  97     if (dbhandle && !same)
  98         dbi_conn_close(dbhandle);
  99
 100     // XXX add cleanup of readHandles whenever that gets used
 101
 102     return;
 103 }
 104
 105 int osrfAppInitialize() {
 106
 107     osrfLogInfo(OSRF_LOG_MARK, "Initializing the CStore Server...");
 108     osrfLogInfo(OSRF_LOG_MARK, "Finding XML file...");
 109
 110     if (!oilsIDLInit( osrf_settings_host_value("/IDL") )) return 1; /* return non-zero to indicate error */
 111
 112     char* method_str = NULL;
 113     growing_buffer* method_name = buffer_init(64);
 114 #ifndef PCRUD
 115     // Generic search thingy
 116     buffer_fadd(method_name, "%s.json_query", MODULENAME);
 117     method_str = buffer_data(method_name);
 118     osrfAppRegisterMethod( MODULENAME, method_str, "doJSONSearch", "", 1, OSRF_METHOD_STREAMING );
 119     free(method_str);
 120 #endif
 121
 122     // first we register all the transaction and savepoint methods
 123     buffer_reset(method_name);
 124     buffer_fadd(method_name, "%s.transaction.begin", MODULENAME);
 125     method_str = buffer_data(method_name);
 126     osrfAppRegisterMethod( MODULENAME, method_str, "beginTransaction", "", 0, 0 );
 127     free(method_str);
 128
 129     buffer_reset(method_name);
 130     buffer_fadd(method_name, "%s.transaction.commit", MODULENAME);
 131     method_str = buffer_data(method_name);
 132     osrfAppRegisterMethod( MODULENAME, method_str, "commitTransaction", "", 0, 0 );
 133     free(method_str);
 134
 135     buffer_reset(method_name);
 136     buffer_fadd(method_name, "%s.transaction.rollback", MODULENAME);
 137     method_str = buffer_data(method_name);
 138     osrfAppRegisterMethod( MODULENAME, method_str, "rollbackTransaction", "", 0, 0 );
 139     free(method_str);
 140
 141     buffer_reset(method_name);
 142     buffer_fadd(method_name, "%s.savepoint.set", MODULENAME);
 143     method_str = buffer_data(method_name);
 144     osrfAppRegisterMethod( MODULENAME, method_str, "setSavepoint", "", 1, 0 );
 145     free(method_str);
 146
 147     buffer_reset(method_name);
 148     buffer_fadd(method_name, "%s.savepoint.release", MODULENAME);
 149     method_str = buffer_data(method_name);
 150     osrfAppRegisterMethod( MODULENAME, method_str, "releaseSavepoint", "", 1, 0 );
 151     free(method_str);
 152
 153     buffer_reset(method_name);
 154     buffer_fadd(method_name, "%s.savepoint.rollback", MODULENAME);
 155     method_str = buffer_data(method_name);
 156     osrfAppRegisterMethod( MODULENAME, method_str, "rollbackSavepoint", "", 1, 0 );
 157     free(method_str);
 158
 159     buffer_free(method_name);
 160
 161     osrfStringArray* global_methods = osrfNewStringArray(6);
 162
 163     osrfStringArrayAdd( global_methods, "create" );
 164     osrfStringArrayAdd( global_methods, "retrieve" );
 165     osrfStringArrayAdd( global_methods, "update" );
 166     osrfStringArrayAdd( global_methods, "delete" );
 167     osrfStringArrayAdd( global_methods, "search" );
 168     osrfStringArrayAdd( global_methods, "id_list" );
 169
 170     int c_index = 0;
 171     char* classname;
 172     osrfStringArray* classes = osrfHashKeys( oilsIDL() );
 173     osrfLogDebug(OSRF_LOG_MARK, "%d classes loaded", classes->size );
 174     osrfLogDebug(OSRF_LOG_MARK, "At least %d methods will be generated", classes->size * global_methods->size);
 175
 176     while ( (classname = osrfStringArrayGetString(classes, c_index++)) ) {
 177         osrfLogInfo(OSRF_LOG_MARK, "Generating class methods for %s", classname);
 178
 179         osrfHash* idlClass = osrfHashGet(oilsIDL(), classname);
 180
 181         if (!osrfStringArrayContains( osrfHashGet(idlClass, "controller"), MODULENAME )) {
 182             osrfLogInfo(OSRF_LOG_MARK, "%s is not listed as a controller for %s, moving on", MODULENAME, classname);
 183             continue;
 184         }
 185
 186         char* virt = osrfHashGet(idlClass, "virtual");
 187         if (virt && !strcmp( virt, "true")) {
 188             osrfLogDebug(OSRF_LOG_MARK, "Class %s is virtual, skipping", classname );
 189             continue;
 190         }
 191
 192         int i = 0;
 193         char* method_type;
 194         char* st_tmp = NULL;
 195         char* _fm;
 196         char* part;
 197         osrfHash* method_meta;
 198         while ( (method_type = osrfStringArrayGetString(global_methods, i++)) ) {
 199             osrfLogDebug(OSRF_LOG_MARK, "Using files to build %s class methods for %s", method_type, classname);
 200
 201             if (!osrfHashGet(idlClass, "fieldmapper")) continue;
 202
 203 #ifdef PCRUD
 204             if (!osrfHashGet(idlClass, "permacrud")) continue;
 205
 206             char* tmp_method = strdup(method_type);
 207             if ( *tmp_method == 'i' || *tmp_method == 's') {
 208                 free(tmp_method);
 209                 tmp_method = strdup("retrieve");
 210             }
 211             if (!osrfHashGet( osrfHashGet(idlClass, "permacrud"), tmp_method )) continue;
 212             free(tmp_method);
 213 #endif
 214
 215             char* readonly = osrfHashGet(idlClass, "readonly");
 216             if (        readonly &&
 217                     !strncasecmp( "true", readonly, 4) &&
 218                     ( *method_type == 'c' || *method_type == 'u' || *method_type == 'd')
 219                ) continue;
 220
 221             method_meta = osrfNewHash();
 222             osrfHashSet(method_meta, idlClass, "class");
 223
 224             _fm = strdup( (char*)osrfHashGet(idlClass, "fieldmapper") );
 225             part = strtok_r(_fm, ":", &st_tmp);
 226
 227             method_name =  buffer_init(64);
 228             buffer_fadd(method_name, "%s.direct.%s", MODULENAME, part);
 229
 230             while ((part = strtok_r(NULL, ":", &st_tmp))) {
 231                 buffer_fadd(method_name, ".%s", part);
 232             }
 233             buffer_fadd(method_name, ".%s", method_type);
 234
 235             char* method = buffer_release(method_name);
 236             free(_fm);
 237
 238             osrfHashSet( method_meta, method, "methodname" );
 239             osrfHashSet( method_meta, strdup(method_type), "methodtype" );
 240
 241             int flags = 0;
 242             if (*method_type == 'i' || *method_type == 's') {
 243                 flags = flags | OSRF_METHOD_STREAMING;
 244             }
 245
 246             osrfAppRegisterExtendedMethod(
 247                     MODULENAME,
 248                     method,
 249                     "dispatchCRUDMethod",
 250                     "",
 251                     1,
 252                     flags,
 253                     (void*)method_meta
 254                     );
 255
 256             free(method);
 257         }
 258     }
 259
 260     osrfStringArrayFree( global_methods );
 261     return 0;
 262 }
 263
 264 static char* getSourceDefinition( osrfHash* class ) {
 265
 266     char* tabledef = osrfHashGet(class, "tablename");
 267
 268     if (!tabledef) {
 269         growing_buffer* tablebuf = buffer_init(128);
 270         tabledef = osrfHashGet(class, "source_definition");
 271         if( !tabledef )
 272             tabledef = "(null)";
 273         buffer_fadd( tablebuf, "(%s)", tabledef );
 274         tabledef = buffer_release(tablebuf);
 275     } else {
 276         tabledef = strdup(tabledef);
 277     }
 278
 279     return tabledef;
 280 }
 281
 282 /**
 283  * Connects to the database
 284  */
 285 int osrfAppChildInit() {
 286
 287     osrfLogDebug(OSRF_LOG_MARK, "Attempting to initialize libdbi...");
 288     dbi_initialize(NULL);
 289     osrfLogDebug(OSRF_LOG_MARK, "... libdbi initialized.");
 290
 291     char* driver        = osrf_settings_host_value("/apps/%s/app_settings/driver", MODULENAME);
 292     char* user  = osrf_settings_host_value("/apps/%s/app_settings/database/user", MODULENAME);
 293     char* host  = osrf_settings_host_value("/apps/%s/app_settings/database/host", MODULENAME);
 294     char* port  = osrf_settings_host_value("/apps/%s/app_settings/database/port", MODULENAME);
 295     char* db    = osrf_settings_host_value("/apps/%s/app_settings/database/db", MODULENAME);
 296     char* pw    = osrf_settings_host_value("/apps/%s/app_settings/database/pw", MODULENAME);
 297     char* md    = osrf_settings_host_value("/apps/%s/app_settings/max_query_recursion", MODULENAME);
 298
 299     osrfLogDebug(OSRF_LOG_MARK, "Attempting to load the database driver [%s]...", driver);
 300     writehandle = dbi_conn_new(driver);
 301
 302     if(!writehandle) {
 303         osrfLogError(OSRF_LOG_MARK, "Error loading database driver [%s]", driver);
 304         return -1;
 305     }
 306     osrfLogDebug(OSRF_LOG_MARK, "Database driver [%s] seems OK", driver);
 307
 308     osrfLogInfo(OSRF_LOG_MARK, "%s connecting to database.  host=%s, "
 309             "port=%s, user=%s, pw=%s, db=%s", MODULENAME, host, port, user, pw, db );
 310
 311     if(host) dbi_conn_set_option(writehandle, "host", host );
 312     if(port) dbi_conn_set_option_numeric( writehandle, "port", atoi(port) );
 313     if(user) dbi_conn_set_option(writehandle, "username", user);
 314     if(pw) dbi_conn_set_option(writehandle, "password", pw );
 315     if(db) dbi_conn_set_option(writehandle, "dbname", db );
 316
 317     if(md) max_flesh_depth = atoi(md);
 318     if(max_flesh_depth < 0) max_flesh_depth = 1;
 319     if(max_flesh_depth > 1000) max_flesh_depth = 1000;
 320
 321     free(user);
 322     free(host);
 323     free(port);
 324     free(db);
 325     free(pw);
 326
 327     const char* err;
 328     if (dbi_conn_connect(writehandle) < 0) {
 329         sleep(1);
 330         if (dbi_conn_connect(writehandle) < 0) {
 331             dbi_conn_error(writehandle, &err);
 332             osrfLogError( OSRF_LOG_MARK, "Error connecting to database: %s", err);
 333             return -1;
 334         }
 335     }
 336
 337     osrfLogInfo(OSRF_LOG_MARK, "%s successfully connected to the database", MODULENAME);
 338
 339     int attr;
 340     unsigned short type;
 341     int i = 0;
 342     char* classname;
 343     osrfStringArray* classes = osrfHashKeys( oilsIDL() );
 344
 345     while ( (classname = osrfStringArrayGetString(classes, i++)) ) {
 346         osrfHash* class = osrfHashGet( oilsIDL(), classname );
 347         osrfHash* fields = osrfHashGet( class, "fields" );
 348
 349         char* virt = osrfHashGet(class, "virtual");
 350         if (virt && !strcmp( virt, "true")) {
 351             osrfLogDebug(OSRF_LOG_MARK, "Class %s is virtual, skipping", classname );
 352             continue;
 353         }
 354
 355         char* tabledef = getSourceDefinition(class);
 356
 357         growing_buffer* sql_buf = buffer_init(32);
 358         buffer_fadd( sql_buf, "SELECT * FROM %s AS x WHERE 1=0;", tabledef );
 359
 360         free(tabledef);
 361
 362         char* sql = buffer_release(sql_buf);
 363         osrfLogDebug(OSRF_LOG_MARK, "%s Investigatory SQL = %s", MODULENAME, sql);
 364
 365         dbi_result result = dbi_conn_query(writehandle, sql);
 366         free(sql);
 367
 368         if (result) {
 369
 370             int columnIndex = 1;
 371             const char* columnName;
 372             osrfHash* _f;
 373             while( (columnName = dbi_result_get_field_name(result, columnIndex++)) ) {
 374
 375                 osrfLogInternal(OSRF_LOG_MARK, "Looking for column named [%s]...", (char*)columnName);
 376
 377                 /* fetch the fieldmapper index */
 378                 if( (_f = osrfHashGet(fields, (char*)columnName)) ) {
 379
 380                     osrfLogDebug(OSRF_LOG_MARK, "Found [%s] in IDL hash...", (char*)columnName);
 381
 382                     /* determine the field type and storage attributes */
 383                     type = dbi_result_get_field_type(result, columnName);
 384                     attr = dbi_result_get_field_attribs(result, columnName);
 385
 386                     switch( type ) {
 387
 388                         case DBI_TYPE_INTEGER :
 389
 390                             if ( !osrfHashGet(_f, "primitive") )
 391                                 osrfHashSet(_f,"number", "primitive");
 392
 393                             if( attr & DBI_INTEGER_SIZE8 )
 394                                 osrfHashSet(_f,"INT8", "datatype");
 395                             else
 396                                 osrfHashSet(_f,"INT", "datatype");
 397                             break;
 398
 399                         case DBI_TYPE_DECIMAL :
 400                             if ( !osrfHashGet(_f, "primitive") )
 401                                 osrfHashSet(_f,"number", "primitive");
 402
 403                             osrfHashSet(_f,"NUMERIC", "datatype");
 404                             break;
 405
 406                         case DBI_TYPE_STRING :
 407                             if ( !osrfHashGet(_f, "primitive") )
 408                                 osrfHashSet(_f,"string", "primitive");
 409                             osrfHashSet(_f,"TEXT", "datatype");
 410                             break;
 411
 412                         case DBI_TYPE_DATETIME :
 413                             if ( !osrfHashGet(_f, "primitive") )
 414                                 osrfHashSet(_f,"string", "primitive");
 415
 416                             osrfHashSet(_f,"TIMESTAMP", "datatype");
 417                             break;
 418
 419                         case DBI_TYPE_BINARY :
 420                             if ( !osrfHashGet(_f, "primitive") )
 421                                 osrfHashSet(_f,"string", "primitive");
 422
 423                             osrfHashSet(_f,"BYTEA", "datatype");
 424                     }
 425
 426                     osrfLogDebug(
 427                             OSRF_LOG_MARK,
 428                             "Setting [%s] to primitive [%s] and datatype [%s]...",
 429                             (char*)columnName,
 430                             osrfHashGet(_f, "primitive"),
 431                             osrfHashGet(_f, "datatype")
 432                             );
 433                 }
 434             }
 435             dbi_result_free(result);
 436         } else {
 437             osrfLogDebug(OSRF_LOG_MARK, "No data found for class [%s]...", (char*)classname);
 438         }
 439     }
 440
 441     osrfStringArrayFree(classes);
 442
 443     return 0;
 444 }
 445
 446 void userDataFree( void* blob ) {
 447     osrfHashFree( (osrfHash*)blob );
 448     return;
 449 }
 450
 451 static void sessionDataFree( char* key, void* item ) {
 452     if (!(strcmp(key,"xact_id"))) {
 453         if (writehandle)
 454             dbi_conn_query(writehandle, "ROLLBACK;");
 455         free(item);
 456     }
 457
 458     return;
 459 }
 460
 461 int beginTransaction ( osrfMethodContext* ctx ) {
 462     OSRF_METHOD_VERIFY_CONTEXT(ctx);
 463
 464     dbi_result result = dbi_conn_query(writehandle, "START TRANSACTION;");
 465     if (!result) {
 466         osrfLogError(OSRF_LOG_MARK, "%s: Error starting transaction", MODULENAME );
 467         osrfAppSessionStatus( ctx->session, OSRF_STATUS_INTERNALSERVERERROR, "osrfMethodException", ctx->request, "Error starting transaction" );
 468         return -1;
 469     } else {
 470         jsonObject* ret = jsonNewObject(ctx->session->session_id);
 471         osrfAppRespondComplete( ctx, ret );
 472         jsonObjectFree(ret);
 473
 474         if (!ctx->session->userData) {
 475             ctx->session->userData = osrfNewHash();
 476             osrfHashSetCallback((osrfHash*)ctx->session->userData, &sessionDataFree);
 477         }
 478
 479         osrfHashSet( (osrfHash*)ctx->session->userData, strdup( ctx->session->session_id ), "xact_id" );
 480         ctx->session->userDataFree = &userDataFree;
 481
 482     }
 483     return 0;
 484 }
 485
 486 int setSavepoint ( osrfMethodContext* ctx ) {
 487     OSRF_METHOD_VERIFY_CONTEXT(ctx);
 488
 489     if (!osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )) {
 490         osrfAppSessionStatus(
 491                 ctx->session,
 492                 OSRF_STATUS_INTERNALSERVERERROR,
 493                 "osrfMethodException",
 494                 ctx->request,
 495                 "No active transaction -- required for savepoints"
 496                 );
 497         return -1;
 498     }
 499
 500     char* spName = jsonObjectToSimpleString(jsonObjectGetIndex(ctx->params, 0));
 501
 502     dbi_result result = dbi_conn_queryf(writehandle, "SAVEPOINT \"%s\";", spName);
 503     if (!result) {
 504         osrfLogError(
 505                 OSRF_LOG_MARK,
 506                 "%s: Error creating savepoint %s in transaction %s",
 507                 MODULENAME,
 508                 spName,
 509                 osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )
 510                 );
 511         osrfAppSessionStatus( ctx->session, OSRF_STATUS_INTERNALSERVERERROR, "osrfMethodException", ctx->request, "Error creating savepoint" );
 512         free(spName);
 513         return -1;
 514     } else {
 515         jsonObject* ret = jsonNewObject(spName);
 516         osrfAppRespondComplete( ctx, ret );
 517         jsonObjectFree(ret);
 518     }
 519     free(spName);
 520     return 0;
 521 }
 522
 523 int releaseSavepoint ( osrfMethodContext* ctx ) {
 524     OSRF_METHOD_VERIFY_CONTEXT(ctx);
 525
 526     if (!osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )) {
 527         osrfAppSessionStatus(
 528                 ctx->session,
 529                 OSRF_STATUS_INTERNALSERVERERROR,
 530                 "osrfMethodException",
 531                 ctx->request,
 532                 "No active transaction -- required for savepoints"
 533                 );
 534         return -1;
 535     }
 536
 537     char* spName = jsonObjectToSimpleString(jsonObjectGetIndex(ctx->params, 0));
 538
 539     dbi_result result = dbi_conn_queryf(writehandle, "RELEASE SAVEPOINT \"%s\";", spName);
 540     if (!result) {
 541         osrfLogError(
 542                 OSRF_LOG_MARK,
 543                 "%s: Error releasing savepoint %s in transaction %s",
 544                 MODULENAME,
 545                 spName,
 546                 osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )
 547                 );
 548         osrfAppSessionStatus( ctx->session, OSRF_STATUS_INTERNALSERVERERROR, "osrfMethodException", ctx->request, "Error releasing savepoint" );
 549         free(spName);
 550         return -1;
 551     } else {
 552         jsonObject* ret = jsonNewObject(spName);
 553         osrfAppRespondComplete( ctx, ret );
 554         jsonObjectFree(ret);
 555     }
 556     free(spName);
 557     return 0;
 558 }
 559
 560 int rollbackSavepoint ( osrfMethodContext* ctx ) {
 561     OSRF_METHOD_VERIFY_CONTEXT(ctx);
 562
 563     if (!osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )) {
 564         osrfAppSessionStatus(
 565                 ctx->session,
 566                 OSRF_STATUS_INTERNALSERVERERROR,
 567                 "osrfMethodException",
 568                 ctx->request,
 569                 "No active transaction -- required for savepoints"
 570                 );
 571         return -1;
 572     }
 573
 574     char* spName = jsonObjectToSimpleString(jsonObjectGetIndex(ctx->params, 0));
 575
 576     dbi_result result = dbi_conn_queryf(writehandle, "ROLLBACK TO SAVEPOINT \"%s\";", spName);
 577     if (!result) {
 578         osrfLogError(
 579                 OSRF_LOG_MARK,
 580                 "%s: Error rolling back savepoint %s in transaction %s",
 581                 MODULENAME,
 582                 spName,
 583                 osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )
 584                 );
 585         osrfAppSessionStatus( ctx->session, OSRF_STATUS_INTERNALSERVERERROR, "osrfMethodException", ctx->request, "Error rolling back savepoint" );
 586         free(spName);
 587         return -1;
 588     } else {
 589         jsonObject* ret = jsonNewObject(spName);
 590         osrfAppRespondComplete( ctx, ret );
 591         jsonObjectFree(ret);
 592     }
 593     free(spName);
 594     return 0;
 595 }
 596
 597 int commitTransaction ( osrfMethodContext* ctx ) {
 598     OSRF_METHOD_VERIFY_CONTEXT(ctx);
 599
 600     if (!osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )) {
 601         osrfAppSessionStatus( ctx->session, OSRF_STATUS_INTERNALSERVERERROR, "osrfMethodException", ctx->request, "No active transaction to commit" );
 602         return -1;
 603     }
 604
 605     dbi_result result = dbi_conn_query(writehandle, "COMMIT;");
 606     if (!result) {
 607         osrfLogError(OSRF_LOG_MARK, "%s: Error committing transaction", MODULENAME );
 608         osrfAppSessionStatus( ctx->session, OSRF_STATUS_INTERNALSERVERERROR, "osrfMethodException", ctx->request, "Error committing transaction" );
 609         return -1;
 610     } else {
 611         osrfHashRemove(ctx->session->userData, "xact_id");
 612         jsonObject* ret = jsonNewObject(ctx->session->session_id);
 613         osrfAppRespondComplete( ctx, ret );
 614         jsonObjectFree(ret);
 615     }
 616     return 0;
 617 }
 618
 619 int rollbackTransaction ( osrfMethodContext* ctx ) {
 620     OSRF_METHOD_VERIFY_CONTEXT(ctx);
 621
 622     if (!osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )) {
 623         osrfAppSessionStatus( ctx->session, OSRF_STATUS_INTERNALSERVERERROR, "osrfMethodException", ctx->request, "No active transaction to roll back" );
 624         return -1;
 625     }
 626
 627     dbi_result result = dbi_conn_query(writehandle, "ROLLBACK;");
 628     if (!result) {
 629         osrfLogError(OSRF_LOG_MARK, "%s: Error rolling back transaction", MODULENAME );
 630         osrfAppSessionStatus( ctx->session, OSRF_STATUS_INTERNALSERVERERROR, "osrfMethodException", ctx->request, "Error rolling back transaction" );
 631         return -1;
 632     } else {
 633         osrfHashRemove(ctx->session->userData, "xact_id");
 634         jsonObject* ret = jsonNewObject(ctx->session->session_id);
 635         osrfAppRespondComplete( ctx, ret );
 636         jsonObjectFree(ret);
 637     }
 638     return 0;
 639 }
 640
 641 int dispatchCRUDMethod ( osrfMethodContext* ctx ) {
 642     OSRF_METHOD_VERIFY_CONTEXT(ctx);
 643
 644     osrfHash* meta = (osrfHash*) ctx->method->userData;
 645     osrfHash* class_obj = osrfHashGet( meta, "class" );
 646
 647     int err = 0;
 648
 649     const char* methodtype = osrfHashGet(meta, "methodtype");
 650     jsonObject * obj = NULL;
 651
 652     if (!strcmp(methodtype, "create")) {
 653         obj = doCreate(ctx, &err);
 654         osrfAppRespondComplete( ctx, obj );
 655     }
 656     else if (!strcmp(methodtype, "retrieve")) {
 657         obj = doRetrieve(ctx, &err);
 658         osrfAppRespondComplete( ctx, obj );
 659     }
 660     else if (!strcmp(methodtype, "update")) {
 661         obj = doUpdate(ctx, &err);
 662         osrfAppRespondComplete( ctx, obj );
 663     }
 664     else if (!strcmp(methodtype, "delete")) {
 665         obj = doDelete(ctx, &err);
 666         osrfAppRespondComplete( ctx, obj );
 667     }
 668     else if (!strcmp(methodtype, "search")) {
 669
 670         jsonObject* _p = jsonObjectClone( ctx->params );
 671 #ifdef PCRUD
 672         jsonObjectRemoveIndex(_p, 0);
 673 #endif
 674
 675         obj = doFieldmapperSearch(ctx, class_obj, _p, &err);
 676
 677         jsonObjectFree(_p);
 678         if(err) return err;
 679
 680         jsonObject* cur;
 681         jsonIterator* itr = jsonNewIterator( obj );
 682         while ((cur = jsonIteratorNext( itr ))) {
 683 #ifdef PCRUD
 684             if(!verifyObjectPCRUD(ctx, cur)) continue;
 685 #endif
 686             osrfAppRespond( ctx, cur );
 687         }
 688         jsonIteratorFree(itr);
 689         osrfAppRespondComplete( ctx, NULL );
 690
 691     } else if (!strcmp(methodtype, "id_list")) {
 692
 693         int _opt_pos = 1;
 694 #ifdef PCRUD
 695         _opt_pos = 2;
 696 #endif
 697
 698         jsonObject* _p = jsonObjectClone( ctx->params );
 699 #ifdef PCRUD
 700         jsonObjectRemoveIndex(_p, 0);
 701 #endif
 702
 703         if (jsonObjectGetIndex( _p, _opt_pos )) {
 704             jsonObjectRemoveKey( jsonObjectGetIndex( _p, _opt_pos ), "flesh" );
 705             jsonObjectRemoveKey( jsonObjectGetIndex( _p, _opt_pos ), "flesh_columns" );
 706         } else {
 707             jsonObjectSetIndex( _p, _opt_pos, jsonNewObjectType(JSON_HASH) );
 708         }
 709
 710         growing_buffer* sel_list = buffer_init(64);
 711         buffer_fadd(sel_list, "{ \"%s\":[\"%s\"] }", osrfHashGet( class_obj, "classname" ), osrfHashGet( class_obj, "primarykey" ));
 712         char* _s = buffer_release(sel_list);
 713
 714         jsonObjectSetKey( jsonObjectGetIndex( _p, _opt_pos ), "select", jsonParseString(_s) );
 715         osrfLogDebug(OSRF_LOG_MARK, "%s: Select qualifer set to [%s]", MODULENAME, _s);
 716         free(_s);
 717
 718         obj = doFieldmapperSearch(ctx, class_obj, _p, &err);
 719
 720         jsonObjectFree(_p);
 721         if(err) return err;
 722
 723         jsonObject* cur;
 724         jsonIterator* itr = jsonNewIterator( obj );
 725         while ((cur = jsonIteratorNext( itr ))) {
 726 #ifdef PCRUD
 727             if(!verifyObjectPCRUD(ctx, cur)) continue;
 728 #endif
 729             osrfAppRespond(
 730                     ctx,
 731                     oilsFMGetObject( cur, osrfHashGet( class_obj, "primarykey" ) )
 732                     );
 733         }
 734         jsonIteratorFree(itr);
 735         osrfAppRespondComplete( ctx, NULL );
 736
 737     } else {
 738         osrfAppRespondComplete( ctx, obj );
 739     }
 740
 741     jsonObjectFree(obj);
 742
 743     return err;
 744 }
 745
 746 static int verifyObjectClass ( osrfMethodContext* ctx, const jsonObject* param ) {
 747
 748     int ret = 1;
 749     osrfHash* meta = (osrfHash*) ctx->method->userData;
 750     osrfHash* class = osrfHashGet( meta, "class" );
 751
 752     if (!param->classname || (strcmp( osrfHashGet(class, "classname"), param->classname ))) {
 753
 754         growing_buffer* msg = buffer_init(128);
 755         buffer_fadd(
 756                 msg,
 757                 "%s: %s method for type %s was passed a %s",
 758                 MODULENAME,
 759                 osrfHashGet(meta, "methodtype"),
 760                 osrfHashGet(class, "classname"),
 761                 param->classname
 762                 );
 763
 764         char* m = buffer_release(msg);
 765         osrfAppSessionStatus( ctx->session, OSRF_STATUS_BADREQUEST, "osrfMethodException", ctx->request, m );
 766
 767         free(m);
 768
 769         return 0;
 770     }
 771
 772 #ifdef PCRUD
 773     ret = verifyObjectPCRUD( ctx, param );
 774 #endif
 775
 776     return ret;
 777 }
 778
 779 #ifdef PCRUD
 780 static int verifyObjectPCRUD (  osrfMethodContext* ctx, const jsonObject* obj ) {
 781
 782     dbhandle = writehandle;
 783
 784     osrfHash* meta = (osrfHash*) ctx->method->userData;
 785     osrfHash* class = osrfHashGet( meta, "class" );
 786     char* method_type = strdup( osrfHashGet(meta, "methodtype") );
 787
 788     if ( ( *method_type == 's' || *method_type == 'i' ) ) {
 789         free(method_type);
 790         method_type = strdup("retrieve");
 791     }
 792
 793     osrfHash* pcrud = osrfHashGet( osrfHashGet(class, "permacrud"), method_type );
 794     free(method_type);
 795
 796     if (!pcrud) {
 797         // No permacrud for this method type on this class
 798
 799         growing_buffer* msg = buffer_init(128);
 800         buffer_fadd(
 801             msg,
 802             "%s: %s on class %s has no permacrud IDL entry",
 803             MODULENAME,
 804             osrfHashGet(meta, "methodtype"),
 805             osrfHashGet(class, "classname")
 806         );
 807
 808         char* m = buffer_release(msg);
 809         osrfAppSessionStatus( ctx->session, OSRF_STATUS_BADREQUEST, "osrfMethodException", ctx->request, m );
 810
 811         free(m);
 812
 813         return 0;
 814     }
 815
 816     //XXX turn this into a user id
 817     char* auth = jsonObjectToSimpleString( jsonObjectGetIndex( ctx->params, 0 ) );
 818     jsonObject* auth_object = jsonNewObject(auth);
 819     jsonObject* user = oilsUtilsQuickReq("open-ils.auth","open-ils.auth.session.retrieve", auth_object);
 820     jsonObjectFree(auth_object);
 821
 822     if (!user->classname || strcmp(user->classname, "au")) {
 823
 824         growing_buffer* msg = buffer_init(128);
 825         buffer_fadd(
 826             msg,
 827             "%s: permacrud received a bad auth token: %s",
 828             MODULENAME,
 829             auth
 830         );
 831
 832         char* m = buffer_release(msg);
 833         osrfAppSessionStatus( ctx->session, OSRF_STATUS_BADREQUEST, "osrfMethodException", ctx->request, m );
 834
 835         free(m);
 836         free(auth);
 837
 838         return 0;
 839     }
 840
 841     int userid = atoi( oilsFMGetString( user, "id" ) );
 842         osrfLogDebug( OSRF_LOG_MARK, "permacrud checking user %d (auth token: %s)", userid, auth );
 843
 844     jsonObjectFree(user);
 845     free(auth);
 846
 847     osrfStringArray* permission = osrfHashGet(pcrud, "permission");
 848     char* global_required = osrfHashGet(pcrud, "global_required");
 849     osrfStringArray* local_context = osrfHashGet(pcrud, "local_context");
 850     osrfHash* foreign_context = osrfHashGet(pcrud, "foreign_context");
 851
 852     osrfStringArray* context_org_array = osrfNewStringArray(1);
 853
 854     char* pkey_value = NULL;
 855     int err = 0;
 856     if (global_required && !strcmp( "true", global_required )) {
 857             osrfLogDebug( OSRF_LOG_MARK, "global-level permissions required, fetching top of the org tree" );
 858
 859         // check for perm at top of org tree
 860         jsonObject* _tmp_params = jsonParseString("[{\"parent_ou\":null}]");
 861                 jsonObject* _list = doFieldmapperSearch(ctx, osrfHashGet( oilsIDL(), "aou" ), _tmp_params, &err);
 862
 863         jsonObject* _tree_top = jsonObjectGetIndex(_list, 0);
 864
 865         if (!_tree_top) {
 866             jsonObjectFree(_tmp_params);
 867             jsonObjectFree(_list);
 868
 869             growing_buffer* msg = buffer_init(128);
 870             buffer_fadd(
 871                 msg,
 872                 "%s: Internal error, could not find the top of the org tree (parent_ou = NULL)",
 873                 MODULENAME
 874             );
 875
 876             char* m = buffer_release(msg);
 877             osrfAppSessionStatus( ctx->session, OSRF_STATUS_INTERNALSERVERERROR, "osrfMethodException", ctx->request, m );
 878             free(m);
 879
 880             return 0;
 881         }
 882
 883         osrfStringArrayAdd( context_org_array, oilsFMGetString( _tree_top, "id" ) );
 884             osrfLogDebug( OSRF_LOG_MARK, "top of the org tree is %s", osrfStringArrayGetString(context_org_array, 0) );
 885
 886         jsonObjectFree(_tmp_params);
 887         jsonObjectFree(_list);
 888
 889     } else {
 890             osrfLogDebug( OSRF_LOG_MARK, "global-level permissions not required, fetching context org ids" );
 891
 892         jsonObject *param = NULL;
 893         if (obj) param = jsonObjectClone(obj);
 894             if (!param) param = jsonObjectClone(jsonObjectGetIndex( ctx->params, 1 ));
 895
 896        // XXX if the object has a non-null pkey, check for object-specific perm,
 897        // else context org(s) for group perm check
 898             char* pkey = osrfHashGet(class, "primarykey");
 899
 900         if (param->classname) {
 901             pkey_value = oilsFMGetString( param, pkey );
 902                 osrfLogDebug( OSRF_LOG_MARK, "Object supplied, using primary key value of %s", pkey_value );
 903
 904         } else {
 905             pkey_value = jsonObjectToSimpleString( param );
 906                 osrfLogDebug( OSRF_LOG_MARK, "Object not supplied, using primary key value of %s and retrieving from the database", pkey_value );
 907
 908             jsonObject* _tmp_params = jsonParseStringFmt("[{\"%s\":\"%s\"}]", pkey, pkey_value);
 909                 jsonObject* _list = doFieldmapperSearch(
 910                 ctx,
 911                 class,
 912                 _tmp_params,
 913                 &err
 914             );
 915
 916             jsonObjectFree(param);
 917             param = jsonObjectClone(jsonObjectGetIndex(_list, 0));
 918
 919             if (!param) {
 920                     osrfLogDebug( OSRF_LOG_MARK, "Object not found in the database with primary key %s of %s", pkey, pkey_value );
 921                 jsonObjectFree(_tmp_params);
 922                 jsonObjectFree(_list);
 923
 924                 growing_buffer* msg = buffer_init(128);
 925                 buffer_fadd(
 926                     msg,
 927                     "%s: no object found with primary key %s of %s",
 928                     MODULENAME,
 929                     pkey,
 930                     pkey_value
 931                 );
 932
 933                 char* m = buffer_release(msg);
 934                 osrfAppSessionStatus( ctx->session, OSRF_STATUS_BADREQUEST, "osrfMethodException", ctx->request, m );
 935
 936                 free(m);
 937                 free(pkey_value);
 938
 939                 return 0;
 940             }
 941
 942             free(pkey_value);
 943             jsonObjectFree(_tmp_params);
 944             jsonObjectFree(_list);
 945
 946         }
 947
 948         if (local_context->size > 0) {
 949                 osrfLogDebug( OSRF_LOG_MARK, "%d class-local context field(s) specified", local_context->size);
 950             int i = 0;
 951             char* lcontext = NULL;
 952             while ( (lcontext = osrfStringArrayGetString(local_context, i++)) ) {
 953                 osrfStringArrayAdd( context_org_array, oilsFMGetString( param, lcontext ) );
 954                     osrfLogDebug( OSRF_LOG_MARK, "adding class-local field %s (value: %s) to the context org list", lcontext, osrfStringArrayGetString(context_org_array, context_org_array->size - 1) );
 955             }
 956         }
 957
 958         osrfStringArray* class_list;
 959
 960         if (foreign_context) {
 961             class_list = osrfHashKeys( foreign_context );
 962                 osrfLogDebug( OSRF_LOG_MARK, "%d foreign context classes(s) specified", class_list->size);
 963
 964             if (class_list->size > 0) {
 965
 966                 int i = 0;
 967                 char* class_name = NULL;
 968                 while ( (class_name = osrfStringArrayGetString(class_list, i++)) ) {
 969                     osrfHash* fcontext = osrfHashGet(foreign_context, class_name);
 970
 971                         osrfLogDebug( OSRF_LOG_MARK, "%d foreign context fields(s) specified for class %s", ((osrfStringArray*)osrfHashGet(fcontext,"context"))->size, class_name);
 972
 973                     char* foreign_pkey = osrfHashGet(fcontext, "field");
 974                     char* foreign_pkey_value = oilsFMGetString(param, osrfHashGet(fcontext, "fkey"));
 975
 976                     jsonObject* _tmp_params = jsonParseStringFmt(
 977                         "[{\"%s\":\"%s\"}]",
 978                         foreign_pkey,
 979                         foreign_pkey_value
 980                     );
 981
 982                         jsonObject* _list = doFieldmapperSearch(
 983                         ctx,
 984                         osrfHashGet( oilsIDL(), class_name ),
 985                         _tmp_params,
 986                         &err
 987                     );
 988
 989                     jsonObject* _fparam = jsonObjectGetIndex(_list, 0);
 990
 991                     if (!_fparam) {
 992                         jsonObjectFree(_tmp_params);
 993                         jsonObjectFree(_list);
 994
 995                         growing_buffer* msg = buffer_init(128);
 996                         buffer_fadd(
 997                             msg,
 998                             "%s: no object found with primary key %s of %s",
 999                             MODULENAME,
1000                             foreign_pkey,
1001                             foreign_pkey_value
1002                         );
1003
1004                         char* m = buffer_release(msg);
1005                         osrfAppSessionStatus( ctx->session, OSRF_STATUS_BADREQUEST, "osrfMethodException", ctx->request, m );
1006                         free(m);
1007
1008                         osrfStringArrayFree(class_list);
1009                         free(foreign_pkey_value);
1010                         jsonObjectFree(param);
1011
1012                         return 0;
1013                     }
1014
1015                     jsonObjectFree(_tmp_params);
1016                     free(foreign_pkey_value);
1017
1018                     int j = 0;
1019                     char* foreign_field = NULL;
1020                     while ( (foreign_field = osrfStringArrayGetString(osrfHashGet(fcontext,"context"), j++)) ) {
1021                         osrfStringArrayAdd( context_org_array, oilsFMGetString( _fparam, foreign_field ) );
1022                             osrfLogDebug(
1023                             OSRF_LOG_MARK,
1024                             "adding foreign class %s field %s (value: %s) to the context org list",
1025                             class_name,
1026                             foreign_field,
1027                             osrfStringArrayGetString(context_org_array, context_org_array->size - 1)
1028                         );
1029                     }
1030
1031                     jsonObjectFree(_list);
1032                 }
1033
1034                 osrfStringArrayFree(class_list);
1035             }
1036         }
1037
1038         jsonObjectFree(param);
1039     }
1040
1041     char* context_org = NULL;
1042     char* perm = NULL;
1043     int OK = 0;
1044
1045     if (permission->size == 0) {
1046             osrfLogDebug( OSRF_LOG_MARK, "No permission specified for this action, passing through" );
1047         OK = 1;
1048     }
1049
1050     int i = 0;
1051     while ( (perm = osrfStringArrayGetString(permission, i++)) ) {
1052         int j = 0;
1053         while ( (context_org = osrfStringArrayGetString(context_org_array, j++)) ) {
1054             dbi_result result;
1055
1056             if (pkey_value) {
1057                     osrfLogDebug(
1058                     OSRF_LOG_MARK,
1059                     "Checking object permission [%s] for user %d on object %s (class %s) at org %d",
1060                     perm,
1061                     userid,
1062                     pkey_value,
1063                     osrfHashGet(class, "classname"),
1064                     atoi(context_org)
1065                 );
1066
1067                 result = dbi_conn_queryf(
1068                     writehandle,
1069                     "SELECT permission.usr_has_object_perm(%d, '%s', '%s', '%s', %d) AS has_perm;",
1070                     userid,
1071                     perm,
1072                     osrfHashGet(class, "classname"),
1073                     pkey_value,
1074                     atoi(context_org)
1075                 );
1076
1077                 if (result) {
1078                     osrfLogDebug(
1079                         OSRF_LOG_MARK,
1080                         "Recieved a result for object permission [%s] for user %d on object %s (class %s) at org %d",
1081                         perm,
1082                         userid,
1083                         pkey_value,
1084                         osrfHashGet(class, "classname"),
1085                         atoi(context_org)
1086                     );
1087
1088                     if (dbi_result_first_row(result)) {
1089                         jsonObject* return_val = oilsMakeJSONFromResult( result );
1090                         char* has_perm = jsonObjectToSimpleString( jsonObjectGetKeyConst(return_val, "has_perm") );
1091
1092                             osrfLogDebug(
1093                             OSRF_LOG_MARK,
1094                             "Status of object permission [%s] for user %d on object %s (class %s) at org %d is %s",
1095                             perm,
1096                             userid,
1097                             pkey_value,
1098                             osrfHashGet(class, "classname"),
1099                             atoi(context_org),
1100                             has_perm
1101                         );
1102
1103                         if ( *has_perm == 't' ) OK = 1;
1104                         free(has_perm);
1105                         jsonObjectFree(return_val);
1106                     }
1107
1108                     dbi_result_free(result);
1109                     if (OK) break;
1110                 }
1111             }
1112
1113                 osrfLogDebug( OSRF_LOG_MARK, "Checking non-object permission [%s] for user %d at org %d", perm, userid, atoi(context_org) );
1114             result = dbi_conn_queryf(
1115                 writehandle,
1116                 "SELECT permission.usr_has_perm(%d, '%s', %d) AS has_perm;",
1117                 userid,
1118                 perm,
1119                 atoi(context_org)
1120             );
1121
1122             if (result) {
1123                     osrfLogDebug( OSRF_LOG_MARK, "Recieved a result for permission [%s] for user %d at org %d", perm, userid, atoi(context_org) );
1124                 if (dbi_result_first_row(result)) {
1125                     jsonObject* return_val = oilsMakeJSONFromResult( result );
1126                     char* has_perm = jsonObjectToSimpleString( jsonObjectGetKeyConst(return_val, "has_perm") );
1127                         osrfLogDebug( OSRF_LOG_MARK, "Status of permission [%s] for user %d at org %d is [%s]", perm, userid, atoi(context_org), has_perm );
1128                     if ( *has_perm == 't' ) OK = 1;
1129                     free(has_perm);
1130                     jsonObjectFree(return_val);
1131                 }
1132
1133                 dbi_result_free(result);
1134                 if (OK) break;
1135             }
1136
1137         }
1138         if (OK) break;
1139     }
1140
1141     if (pkey_value) free(pkey_value);
1142     osrfStringArrayFree(context_org_array);
1143
1144     return OK;
1145 }
1146 #endif
1147
1148
1149 static jsonObject* doCreate(osrfMethodContext* ctx, int* err ) {
1150
1151         osrfHash* meta = osrfHashGet( (osrfHash*) ctx->method->userData, "class" );
1152 #ifdef PCRUD
1153         jsonObject* target = jsonObjectGetIndex( ctx->params, 1 );
1154         jsonObject* options = jsonObjectGetIndex( ctx->params, 2 );
1155 #else
1156         jsonObject* target = jsonObjectGetIndex( ctx->params, 0 );
1157         jsonObject* options = jsonObjectGetIndex( ctx->params, 1 );
1158 #endif
1159
1160         if (!verifyObjectClass(ctx, target)) {
1161                 *err = -1;
1162                 return jsonNULL;
1163         }
1164
1165         osrfLogDebug( OSRF_LOG_MARK, "Object seems to be of the correct type" );
1166
1167         if (!ctx->session || !ctx->session->userData || !osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )) {
1168                 osrfLogError( OSRF_LOG_MARK, "No active transaction -- required for CREATE" );
1169
1170                 osrfAppSessionStatus(
1171                         ctx->session,
1172                         OSRF_STATUS_BADREQUEST,
1173                         "osrfMethodException",
1174                         ctx->request,
1175                         "No active transaction -- required for CREATE"
1176                 );
1177                 *err = -1;
1178                 return jsonNULL;
1179         }
1180
1181         if (osrfHashGet( meta, "readonly" ) && strncasecmp("true", osrfHashGet( meta, "readonly" ), 4)) {
1182                 osrfAppSessionStatus(
1183                         ctx->session,
1184                         OSRF_STATUS_BADREQUEST,
1185                         "osrfMethodException",
1186                         ctx->request,
1187                         "Cannot INSERT readonly class"
1188                 );
1189                 *err = -1;
1190                 return jsonNULL;
1191         }
1192
1193
1194         char* trans_id = osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" );
1195
1196         // Set the last_xact_id
1197         int index = oilsIDL_ntop( target->classname, "last_xact_id" );
1198         if (index > -1) {
1199                 osrfLogDebug(OSRF_LOG_MARK, "Setting last_xact_id to %s on %s at position %d", trans_id, target->classname, index);
1200                 jsonObjectSetIndex(target, index, jsonNewObject(trans_id));
1201         }
1202
1203         osrfLogDebug( OSRF_LOG_MARK, "There is a transaction running..." );
1204
1205         dbhandle = writehandle;
1206
1207         osrfHash* fields = osrfHashGet(meta, "fields");
1208         char* pkey = osrfHashGet(meta, "primarykey");
1209         char* seq = osrfHashGet(meta, "sequence");
1210
1211         growing_buffer* table_buf = buffer_init(128);
1212         growing_buffer* col_buf = buffer_init(128);
1213         growing_buffer* val_buf = buffer_init(128);
1214
1215         buffer_fadd(table_buf,"INSERT INTO %s", osrfHashGet(meta, "tablename"));
1216         buffer_add(col_buf,"(");
1217         buffer_add(val_buf,"VALUES (");
1218
1219
1220         int i = 0;
1221         int first = 1;
1222         char* field_name;
1223         osrfStringArray* field_list = osrfHashKeys( fields );
1224         while ( (field_name = osrfStringArrayGetString(field_list, i++)) ) {
1225
1226                 osrfHash* field = osrfHashGet( fields, field_name );
1227
1228                 if(!( strcmp( osrfHashGet(osrfHashGet(fields,field_name), "virtual"), "true" ) )) continue;
1229
1230                 const jsonObject* field_object = oilsFMGetObject( target, field_name );
1231
1232                 char* value;
1233                 if (field_object && field_object->classname) {
1234                         value = oilsFMGetString(
1235                                 field_object,
1236                                 (char*)oilsIDLFindPath("/%s/primarykey", field_object->classname)
1237                         );
1238                 } else {
1239                         value = jsonObjectToSimpleString( field_object );
1240                 }
1241
1242
1243                 if (first) {
1244                         first = 0;
1245                 } else {
1246                         buffer_add(col_buf, ",");
1247                         buffer_add(val_buf, ",");
1248                 }
1249
1250                 buffer_add(col_buf, field_name);
1251
1252                 if (!field_object || field_object->type == JSON_NULL) {
1253                         buffer_add( val_buf, "DEFAULT" );
1254
1255                 } else if ( !strcmp(osrfHashGet(field, "primitive"), "number") ) {
1256                         if ( !strcmp(osrfHashGet(field, "datatype"), "INT8") ) {
1257                                 buffer_fadd( val_buf, "%lld", atoll(value) );
1258
1259                         } else if ( !strcmp(osrfHashGet(field, "datatype"), "INT") ) {
1260                                 buffer_fadd( val_buf, "%d", atoi(value) );
1261
1262                         } else if ( !strcmp(osrfHashGet(field, "datatype"), "NUMERIC") ) {
1263                                 buffer_fadd( val_buf, "%f", atof(value) );
1264                         }
1265                 } else {
1266                         if ( dbi_conn_quote_string(writehandle, &value) ) {
1267                                 buffer_fadd( val_buf, "%s", value );
1268
1269                         } else {
1270                                 osrfLogError(OSRF_LOG_MARK, "%s: Error quoting string [%s]", MODULENAME, value);
1271                                 osrfAppSessionStatus(
1272                                         ctx->session,
1273                                         OSRF_STATUS_INTERNALSERVERERROR,
1274                                         "osrfMethodException",
1275                                         ctx->request,
1276                                         "Error quoting string -- please see the error log for more details"
1277                                 );
1278                                 free(value);
1279                                 buffer_free(table_buf);
1280                                 buffer_free(col_buf);
1281                                 buffer_free(val_buf);
1282                                 *err = -1;
1283                                 return jsonNULL;
1284                         }
1285                 }
1286
1287                 free(value);
1288
1289         }
1290
1291
1292         buffer_add(col_buf,")");
1293         buffer_add(val_buf,")");
1294
1295         char* table_str = buffer_release(table_buf);
1296         char* col_str   = buffer_release(col_buf);
1297         char* val_str   = buffer_release(val_buf);
1298         growing_buffer* sql = buffer_init(128);
1299         buffer_fadd( sql, "%s %s %s;", table_str, col_str, val_str );
1300         free(table_str);
1301         free(col_str);
1302         free(val_str);
1303
1304         char* query = buffer_release(sql);
1305
1306         osrfLogDebug(OSRF_LOG_MARK, "%s: Insert SQL [%s]", MODULENAME, query);
1307
1308
1309         dbi_result result = dbi_conn_query(writehandle, query);
1310
1311         jsonObject* obj = NULL;
1312
1313         if (!result) {
1314                 obj = jsonNewObject(NULL);
1315                 osrfLogError(
1316                         OSRF_LOG_MARK,
1317                         "%s ERROR inserting %s object using query [%s]",
1318                         MODULENAME,
1319                         osrfHashGet(meta, "fieldmapper"),
1320                         query
1321                 );
1322                 osrfAppSessionStatus(
1323                         ctx->session,
1324                         OSRF_STATUS_INTERNALSERVERERROR,
1325                         "osrfMethodException",
1326                         ctx->request,
1327                         "INSERT error -- please see the error log for more details"
1328                 );
1329                 *err = -1;
1330         } else {
1331
1332                 char* id = oilsFMGetString(target, pkey);
1333                 if (!id) {
1334                         unsigned long long new_id = dbi_conn_sequence_last(writehandle, seq);
1335                         growing_buffer* _id = buffer_init(10);
1336                         buffer_fadd(_id, "%lld", new_id);
1337                         id = buffer_release(_id);
1338                 }
1339
1340                 // Find quietness specification, if present
1341                 char* quiet_str = NULL;
1342                 if ( options ) {
1343                         const jsonObject* quiet_obj = jsonObjectGetKeyConst( options, "quiet" );
1344                         if( quiet_obj )
1345                                 quiet_str = jsonObjectToSimpleString( quiet_obj );
1346                 }
1347
1348                 if( quiet_str && !strcmp( quiet_str, "true" )) {  // if quietness is specified
1349                         obj = jsonNewObject(id);
1350                 }
1351                 else {
1352
1353                         jsonObject* fake_params = jsonNewObjectType(JSON_ARRAY);
1354                         jsonObjectPush(fake_params, jsonNewObjectType(JSON_HASH));
1355
1356                         jsonObjectSetKey(
1357                                 jsonObjectGetIndex(fake_params, 0),
1358                                 pkey,
1359                                 jsonNewObject(id)
1360                         );
1361
1362                         jsonObject* list = doFieldmapperSearch( ctx,meta, fake_params, err);
1363
1364                         if(*err) {
1365                                 jsonObjectFree( fake_params );
1366                                 obj = jsonNULL;
1367                         } else {
1368                                 obj = jsonObjectClone( jsonObjectGetIndex(list, 0) );
1369                         }
1370
1371                         jsonObjectFree( list );
1372                         jsonObjectFree( fake_params );
1373                 }
1374
1375                 if(quiet_str) free(quiet_str);
1376                 free(id);
1377         }
1378
1379         free(query);
1380
1381         return obj;
1382
1383 }
1384
1385
1386 static jsonObject* doRetrieve(osrfMethodContext* ctx, int* err ) {
1387
1388     int id_pos = 0;
1389     int order_pos = 1;
1390
1391 #ifdef PCRUD
1392     id_pos = 1;
1393     order_pos = 2;
1394 #endif
1395
1396         osrfHash* meta = osrfHashGet( (osrfHash*) ctx->method->userData, "class" );
1397
1398         jsonObject* obj;
1399
1400         char* id = jsonObjectToSimpleString(jsonObjectGetIndex(ctx->params, id_pos));
1401         jsonObject* order_hash = jsonObjectGetIndex(ctx->params, order_pos);
1402
1403         osrfLogDebug(
1404                 OSRF_LOG_MARK,
1405                 "%s retrieving %s object with primary key value of %s",
1406                 MODULENAME,
1407                 osrfHashGet(meta, "fieldmapper"),
1408                 id
1409         );
1410
1411         jsonObject* fake_params = jsonNewObjectType(JSON_ARRAY);
1412         jsonObjectPush(fake_params, jsonNewObjectType(JSON_HASH));
1413
1414         jsonObjectSetKey(
1415                 jsonObjectGetIndex(fake_params, 0),
1416                 osrfHashGet(meta, "primarykey"),
1417                 jsonParseString(id)
1418         );
1419
1420         free(id);
1421
1422         if (order_hash) jsonObjectPush(fake_params, jsonObjectClone(order_hash) );
1423
1424         jsonObject* list = doFieldmapperSearch( ctx,meta, fake_params, err);
1425
1426         if(*err) {
1427                 jsonObjectFree( fake_params );
1428                 return jsonNULL;
1429         }
1430
1431         obj = jsonObjectClone( jsonObjectGetIndex(list, 0) );
1432
1433         jsonObjectFree( list );
1434         jsonObjectFree( fake_params );
1435
1436 #ifdef PCRUD
1437         if(!verifyObjectPCRUD(ctx, obj)) {
1438         jsonObjectFree(obj);
1439         *err = -1;
1440
1441         growing_buffer* msg = buffer_init(128);
1442         buffer_fadd(
1443             msg,
1444             "%s: Insufficient permissions",
1445             MODULENAME
1446         );
1447
1448         char* m = buffer_release(msg);
1449         osrfAppSessionStatus( ctx->session, OSRF_STATUS_BADREQUEST, "osrfMethodException", ctx->request, m );
1450
1451         free(m);
1452
1453                 return jsonNULL;
1454         }
1455 #endif
1456
1457         return obj;
1458 }
1459
1460 static char* jsonNumberToDBString ( osrfHash* field, const jsonObject* value ) {
1461         growing_buffer* val_buf = buffer_init(32);
1462
1463         if ( !strncmp(osrfHashGet(field, "datatype"), "INT", (size_t)3) ) {
1464                 if (value->type == JSON_NUMBER) buffer_fadd( val_buf, "%ld", (long)jsonObjectGetNumber(value) );
1465                 else {
1466                         char* val_str = jsonObjectToSimpleString(value);
1467                         buffer_fadd( val_buf, "%ld", atol(val_str) );
1468                         free(val_str);
1469                 }
1470
1471         } else if ( !strcmp(osrfHashGet(field, "datatype"), "NUMERIC") ) {
1472                 if (value->type == JSON_NUMBER) buffer_fadd( val_buf, "%f",  jsonObjectGetNumber(value) );
1473                 else {
1474                         char* val_str = jsonObjectToSimpleString(value);
1475                         buffer_fadd( val_buf, "%f", atof(val_str) );
1476                         free(val_str);
1477                 }
1478         }
1479
1480         return buffer_release(val_buf);
1481 }
1482
1483 static char* searchINPredicate (const char* class, osrfHash* field,
1484                 const jsonObject* node, const char* op) {
1485         growing_buffer* sql_buf = buffer_init(32);
1486
1487         buffer_fadd(
1488                 sql_buf,
1489                 "\"%s\".%s ",
1490                 class,
1491                 osrfHashGet(field, "name")
1492         );
1493
1494         if (!op) {
1495                 buffer_add(sql_buf, "IN (");
1496         } else if (!(strcasecmp(op,"not in"))) {
1497                 buffer_add(sql_buf, "NOT IN (");
1498         } else {
1499                 buffer_add(sql_buf, "IN (");
1500         }
1501
1502         int in_item_index = 0;
1503         int in_item_first = 1;
1504         jsonObject* in_item;
1505         while ( (in_item = jsonObjectGetIndex(node, in_item_index++)) ) {
1506
1507                 if (in_item_first)
1508                         in_item_first = 0;
1509                 else
1510                         buffer_add(sql_buf, ", ");
1511
1512                 if ( !strcmp(osrfHashGet(field, "primitive"), "number") ) {
1513                         char* val = jsonNumberToDBString( field, in_item );
1514                         buffer_fadd( sql_buf, "%s", val );
1515                         free(val);
1516
1517                 } else {
1518                         char* key_string = jsonObjectToSimpleString(in_item);
1519                         if ( dbi_conn_quote_string(dbhandle, &key_string) ) {
1520                                 buffer_fadd( sql_buf, "%s", key_string );
1521                                 free(key_string);
1522                         } else {
1523                                 osrfLogError(OSRF_LOG_MARK, "%s: Error quoting key string [%s]", MODULENAME, key_string);
1524                                 free(key_string);
1525                                 buffer_free(sql_buf);
1526                                 return NULL;
1527                         }
1528                 }
1529         }
1530
1531         buffer_add(
1532                 sql_buf,
1533                 ")"
1534         );
1535
1536         return buffer_release(sql_buf);
1537 }
1538
1539 static char* searchValueTransform( const jsonObject* array ) {
1540         growing_buffer* sql_buf = buffer_init(32);
1541
1542         char* val = NULL;
1543         int func_item_index = 0;
1544         int func_item_first = 2;
1545         jsonObject* func_item;
1546         while ( (func_item = jsonObjectGetIndex(array, func_item_index++)) ) {
1547
1548                 val = jsonObjectToSimpleString(func_item);
1549
1550                 if (func_item_first == 2) {
1551                         buffer_fadd(sql_buf, "%s( ", val);
1552                         free(val);
1553                         func_item_first--;
1554                         continue;
1555                 }
1556
1557                 if (func_item_first)
1558                         func_item_first--;
1559                 else
1560                         buffer_add(sql_buf, ", ");
1561
1562                 if (func_item->type == JSON_NULL) {
1563                         buffer_add( sql_buf, "NULL" );
1564                 } else if ( dbi_conn_quote_string(dbhandle, &val) ) {
1565                         buffer_fadd( sql_buf, "%s", val );
1566                 } else {
1567                         osrfLogError(OSRF_LOG_MARK, "%s: Error quoting key string [%s]", MODULENAME, val);
1568                         free(val);
1569                         buffer_free(sql_buf);
1570                         return NULL;
1571                 }
1572
1573                 free(val);
1574         }
1575
1576         buffer_add(
1577                 sql_buf,
1578                 " )"
1579         );
1580
1581         return buffer_release(sql_buf);
1582 }
1583
1584 static char* searchFunctionPredicate (const char* class, osrfHash* field,
1585                 const jsonObject* node, const char* node_key) {
1586         growing_buffer* sql_buf = buffer_init(32);
1587
1588         char* val = searchValueTransform(node);
1589
1590         buffer_fadd(
1591                 sql_buf,
1592                 "\"%s\".%s %s %s",
1593                 class,
1594                 osrfHashGet(field, "name"),
1595                 node_key,
1596                 val
1597         );
1598
1599         free(val);
1600
1601         return buffer_release(sql_buf);
1602 }
1603
1604 static char* searchFieldTransform (const char* class, osrfHash* field, const jsonObject* node) {
1605         growing_buffer* sql_buf = buffer_init(32);
1606
1607         char* field_transform = jsonObjectToSimpleString( jsonObjectGetKeyConst( node, "transform" ) );
1608         char* transform_subcolumn = jsonObjectToSimpleString( jsonObjectGetKeyConst( node, "result_field" ) );
1609
1610         if (field_transform) {
1611                 buffer_fadd( sql_buf, "%s(\"%s\".%s", field_transform, class, osrfHashGet(field, "name"));
1612             const jsonObject* array = jsonObjectGetKeyConst( node, "params" );
1613
1614         if (array) {
1615                 int func_item_index = 0;
1616                 jsonObject* func_item;
1617                 while ( (func_item = jsonObjectGetIndex(array, func_item_index++)) ) {
1618
1619                         char* val = jsonObjectToSimpleString(func_item);
1620
1621                     if ( !val ) {
1622                             buffer_add( sql_buf, ",NULL" );
1623                     } else if ( dbi_conn_quote_string(dbhandle, &val) ) {
1624                             buffer_fadd( sql_buf, ",%s", val );
1625                         } else {
1626                                 osrfLogError(OSRF_LOG_MARK, "%s: Error quoting key string [%s]", MODULENAME, val);
1627                             free(field_transform);
1628                                         free(val);
1629                                 buffer_free(sql_buf);
1630                                 return NULL;
1631                 }
1632                                 free(val);
1633                         }
1634
1635         }
1636
1637         buffer_add(
1638                 sql_buf,
1639                 " )"
1640         );
1641
1642         } else {
1643                 buffer_fadd( sql_buf, "\"%s\".%s", class, osrfHashGet(field, "name"));
1644         }
1645
1646     if (transform_subcolumn) {
1647         char * tmp = buffer_release(sql_buf);
1648         sql_buf = buffer_init(32);
1649         buffer_fadd(
1650             sql_buf,
1651             "(%s).\"%s\"",
1652             tmp,
1653             transform_subcolumn
1654         );
1655         free(tmp);
1656     }
1657
1658         if (field_transform) free(field_transform);
1659         if (transform_subcolumn) free(transform_subcolumn);
1660
1661         return buffer_release(sql_buf);
1662 }
1663
1664 static char* searchFieldTransformPredicate (const char* class, osrfHash* field, jsonObject* node, const char* node_key) {
1665         char* field_transform = searchFieldTransform( class, field, node );
1666         char* value = NULL;
1667
1668         if (!jsonObjectGetKeyConst( node, "value" )) {
1669                 value = searchWHERE( node, osrfHashGet( oilsIDL(), class ), AND_OP_JOIN, NULL );
1670         } else if (jsonObjectGetKeyConst( node, "value" )->type == JSON_ARRAY) {
1671                 value = searchValueTransform(jsonObjectGetKeyConst( node, "value" ));
1672         } else if (jsonObjectGetKeyConst( node, "value" )->type == JSON_HASH) {
1673                 value = searchWHERE( jsonObjectGetKeyConst( node, "value" ), osrfHashGet( oilsIDL(), class ), AND_OP_JOIN, NULL );
1674         } else if (jsonObjectGetKeyConst( node, "value" )->type != JSON_NULL) {
1675                 if ( !strcmp(osrfHashGet(field, "primitive"), "number") ) {
1676                         value = jsonNumberToDBString( field, jsonObjectGetKeyConst( node, "value" ) );
1677                 } else {
1678                         value = jsonObjectToSimpleString(jsonObjectGetKeyConst( node, "value" ));
1679                         if ( !dbi_conn_quote_string(dbhandle, &value) ) {
1680                                 osrfLogError(OSRF_LOG_MARK, "%s: Error quoting key string [%s]", MODULENAME, value);
1681                                 free(value);
1682                                 free(field_transform);
1683                                 return NULL;
1684                         }
1685                 }
1686         }
1687
1688         growing_buffer* sql_buf = buffer_init(32);
1689
1690         buffer_fadd(
1691                 sql_buf,
1692                 "%s %s %s",
1693                 field_transform,
1694                 node_key,
1695                 value
1696         );
1697
1698         free(value);
1699         free(field_transform);
1700
1701         return buffer_release(sql_buf);
1702 }
1703
1704 static char* searchSimplePredicate (const char* orig_op, const char* class,
1705                 osrfHash* field, const jsonObject* node) {
1706
1707         char* val = NULL;
1708
1709         if (node->type != JSON_NULL) {
1710                 if ( !strcmp(osrfHashGet(field, "primitive"), "number") ) {
1711                         val = jsonNumberToDBString( field, node );
1712                 } else {
1713                         val = jsonObjectToSimpleString(node);
1714                 }
1715         }
1716
1717         char* pred = searchWriteSimplePredicate( class, field, osrfHashGet(field, "name"), orig_op, val );
1718
1719         if (val) free(val);
1720
1721         return pred;
1722 }
1723
1724 static char* searchWriteSimplePredicate ( const char* class, osrfHash* field,
1725         const char* left, const char* orig_op, const char* right ) {
1726
1727         char* val = NULL;
1728         char* op = NULL;
1729         if (right == NULL) {
1730                 val = strdup("NULL");
1731
1732                 if (strcmp( orig_op, "=" ))
1733                         op = strdup("IS NOT");
1734                 else
1735                         op = strdup("IS");
1736
1737         } else if ( !strcmp(osrfHashGet(field, "primitive"), "number") ) {
1738                 val = strdup(right);
1739                 op = strdup(orig_op);
1740
1741         } else {
1742                 val = strdup(right);
1743                 if ( !dbi_conn_quote_string(dbhandle, &val) ) {
1744                         osrfLogError(OSRF_LOG_MARK, "%s: Error quoting key string [%s]", MODULENAME, val);
1745                         free(val);
1746                         return NULL;
1747                 }
1748                 op = strdup(orig_op);
1749         }
1750
1751         growing_buffer* sql_buf = buffer_init(16);
1752         buffer_fadd( sql_buf, "\"%s\".%s %s %s", class, left, op, val );
1753         free(val);
1754         free(op);
1755
1756         return buffer_release(sql_buf);
1757 }
1758
1759 static char* searchBETWEENPredicate (const char* class, osrfHash* field, jsonObject* node) {
1760
1761         char* x_string;
1762         char* y_string;
1763
1764         if ( !strcmp(osrfHashGet(field, "primitive"), "number") ) {
1765                 x_string = jsonNumberToDBString(field, jsonObjectGetIndex(node,0));
1766                 y_string = jsonNumberToDBString(field, jsonObjectGetIndex(node,1));
1767
1768         } else {
1769                 x_string = jsonObjectToSimpleString(jsonObjectGetIndex(node,0));
1770                 y_string = jsonObjectToSimpleString(jsonObjectGetIndex(node,1));
1771                 if ( !(dbi_conn_quote_string(dbhandle, &x_string) && dbi_conn_quote_string(dbhandle, &y_string)) ) {
1772                         osrfLogError(OSRF_LOG_MARK, "%s: Error quoting key strings [%s] and [%s]", MODULENAME, x_string, y_string);
1773                         free(x_string);
1774                         free(y_string);
1775                         return NULL;
1776                 }
1777         }
1778
1779         growing_buffer* sql_buf = buffer_init(32);
1780         buffer_fadd( sql_buf, "%s BETWEEN %s AND %s", osrfHashGet(field, "name"), x_string, y_string );
1781         free(x_string);
1782         free(y_string);
1783
1784         return buffer_release(sql_buf);
1785 }
1786
1787 static char* searchPredicate ( const char* class, osrfHash* field, jsonObject* node ) {
1788
1789         char* pred = NULL;
1790         if (node->type == JSON_ARRAY) { // equality IN search
1791                 pred = searchINPredicate( class, field, node, NULL );
1792         } else if (node->type == JSON_HASH) { // non-equality search
1793                 jsonObject* pred_node;
1794                 jsonIterator* pred_itr = jsonNewIterator( node );
1795                 while ( (pred_node = jsonIteratorNext( pred_itr )) ) {
1796                         if ( !(strcasecmp( pred_itr->key,"between" )) )
1797                                 pred = searchBETWEENPredicate( class, field, pred_node );
1798                         else if ( !(strcasecmp( pred_itr->key,"in" )) || !(strcasecmp( pred_itr->key,"not in" )) )
1799                                 pred = searchINPredicate( class, field, pred_node, pred_itr->key );
1800                         else if ( pred_node->type == JSON_ARRAY )
1801                                 pred = searchFunctionPredicate( class, field, pred_node, pred_itr->key );
1802                         else if ( pred_node->type == JSON_HASH )
1803                                 pred = searchFieldTransformPredicate( class, field, pred_node, pred_itr->key );
1804                         else
1805                                 pred = searchSimplePredicate( pred_itr->key, class, field, pred_node );
1806
1807                         break;
1808                 }
1809         jsonIteratorFree(pred_itr);
1810         } else if (node->type == JSON_NULL) { // IS NULL search
1811                 growing_buffer* _p = buffer_init(64);
1812                 buffer_fadd(
1813                         _p,
1814                         "\"%s\".%s IS NULL",
1815                         class,
1816                         osrfHashGet(field, "name")
1817                 );
1818                 pred = buffer_release(_p);
1819         } else { // equality search
1820                 pred = searchSimplePredicate( "=", class, field, node );
1821         }
1822
1823         return pred;
1824
1825 }
1826
1827
1828 /*
1829
1830 join : {
1831         acn : {
1832                 field : record,
1833                 fkey : id
1834                 type : left
1835                 filter_op : or
1836                 filter : { ... },
1837                 join : {
1838                         acp : {
1839                                 field : call_number,
1840                                 fkey : id,
1841                                 filter : { ... },
1842                         },
1843                 },
1844         },
1845         mrd : {
1846                 field : record,
1847                 type : inner
1848                 fkey : id,
1849                 filter : { ... },
1850         }
1851 }
1852
1853 */
1854
1855 static char* searchJOIN ( const jsonObject* join_hash, osrfHash* leftmeta ) {
1856
1857         const jsonObject* working_hash;
1858         jsonObject* freeable_hash = NULL;
1859
1860         if (join_hash->type == JSON_STRING) {
1861                 // create a wrapper around a copy of the original
1862                 char* _tmp = jsonObjectToSimpleString( join_hash );
1863                 freeable_hash = jsonNewObjectType(JSON_HASH);
1864                 jsonObjectSetKey(freeable_hash, _tmp, NULL);
1865                 free(_tmp);
1866                 working_hash = freeable_hash;
1867         }
1868         else
1869                 working_hash = join_hash;
1870
1871         growing_buffer* join_buf = buffer_init(128);
1872         char* leftclass = osrfHashGet(leftmeta, "classname");
1873
1874         jsonObject* snode = NULL;
1875         jsonIterator* search_itr = jsonNewIterator( working_hash );
1876         if(freeable_hash)
1877                 jsonObjectFree(freeable_hash);
1878
1879         while ( (snode = jsonIteratorNext( search_itr )) ) {
1880                 osrfHash* idlClass = osrfHashGet( oilsIDL(), search_itr->key );
1881
1882                 char* class = osrfHashGet(idlClass, "classname");
1883
1884                 char* fkey = jsonObjectToSimpleString( jsonObjectGetKeyConst( snode, "fkey" ) );
1885                 char* field = jsonObjectToSimpleString( jsonObjectGetKeyConst( snode, "field" ) );
1886
1887                 if (field && !fkey) {
1888                         fkey = (char*)oilsIDLFindPath("/%s/links/%s/key", class, field);
1889                         if (!fkey) {
1890                                 osrfLogError(
1891                                         OSRF_LOG_MARK,
1892                                         "%s: JOIN failed.  No link defined from %s.%s to %s",
1893                                         MODULENAME,
1894                                         class,
1895                                         field,
1896                                         leftclass
1897                                 );
1898                                 buffer_free(join_buf);
1899                                 free(field);
1900                                 jsonIteratorFree(search_itr);
1901                                 return NULL;
1902                         }
1903                         fkey = strdup( fkey );
1904
1905                 } else if (!field && fkey) {
1906                         field = (char*)oilsIDLFindPath("/%s/links/%s/key", leftclass, fkey );
1907                         if (!field) {
1908                                 osrfLogError(
1909                                         OSRF_LOG_MARK,
1910                                         "%s: JOIN failed.  No link defined from %s.%s to %s",
1911                                         MODULENAME,
1912                                         leftclass,
1913                                         fkey,
1914                                         class
1915                                 );
1916                                 buffer_free(join_buf);
1917                                 free(fkey);
1918                                 jsonIteratorFree(search_itr);
1919                                 return NULL;
1920                         }
1921                         field = strdup( field );
1922
1923                 } else if (!field && !fkey) {
1924                         osrfHash* _links = oilsIDLFindPath("/%s/links", leftclass);
1925
1926                         int i = 0;
1927                         osrfStringArray* keys = osrfHashKeys( _links );
1928                         while ( (fkey = osrfStringArrayGetString(keys, i++)) ) {
1929                                 fkey = strdup(osrfStringArrayGetString(keys, i++));
1930                                 if ( !strcmp( (char*)oilsIDLFindPath("/%s/links/%s/class", leftclass, fkey), class) ) {
1931                                         field = strdup( (char*)oilsIDLFindPath("/%s/links/%s/key", leftclass, fkey) );
1932                                         break;
1933                                 } else {
1934                                         free(fkey);
1935                                 }
1936                         }
1937                         osrfStringArrayFree(keys);
1938
1939                         if (!field && !fkey) {
1940                                 _links = oilsIDLFindPath("/%s/links", class);
1941
1942                                 i = 0;
1943                                 keys = osrfHashKeys( _links );
1944                                 while ( (field = osrfStringArrayGetString(keys, i++)) ) {
1945                                         field = strdup(osrfStringArrayGetString(keys, i++));
1946                                         if ( !strcmp( (char*)oilsIDLFindPath("/%s/links/%s/class", class, field), class) ) {
1947                                                 fkey = strdup( (char*)oilsIDLFindPath("/%s/links/%s/key", class, field) );
1948                                                 break;
1949                                         } else {
1950                                                 free(field);
1951                                         }
1952                                 }
1953                                 osrfStringArrayFree(keys);
1954                         }
1955
1956                         if (!field && !fkey) {
1957                                 osrfLogError(
1958                                         OSRF_LOG_MARK,
1959                                         "%s: JOIN failed.  No link defined between %s and %s",
1960                                         MODULENAME,
1961                                         leftclass,
1962                                         class
1963                                 );
1964                                 buffer_free(join_buf);
1965                                 jsonIteratorFree(search_itr);
1966                                 return NULL;
1967                         }
1968
1969                 }
1970
1971                 char* type = jsonObjectToSimpleString( jsonObjectGetKeyConst( snode, "type" ) );
1972                 if (type) {
1973                         if ( !strcasecmp(type,"left") ) {
1974                                 buffer_add(join_buf, " LEFT JOIN");
1975                         } else if ( !strcasecmp(type,"right") ) {
1976                                 buffer_add(join_buf, " RIGHT JOIN");
1977                         } else if ( !strcasecmp(type,"full") ) {
1978                                 buffer_add(join_buf, " FULL JOIN");
1979                         } else {
1980                                 buffer_add(join_buf, " INNER JOIN");
1981                         }
1982                 } else {
1983                         buffer_add(join_buf, " INNER JOIN");
1984                 }
1985                 free(type);
1986
1987                 char* table = getSourceDefinition(idlClass);
1988                 buffer_fadd(join_buf, " %s AS \"%s\" ON ( \"%s\".%s = \"%s\".%s", table, class, class, field, leftclass, fkey);
1989                 free(table);
1990
1991                 const jsonObject* filter = jsonObjectGetKeyConst( snode, "filter" );
1992                 if (filter) {
1993                         char* filter_op = jsonObjectToSimpleString( jsonObjectGetKeyConst( snode, "filter_op" ) );
1994                         if (filter_op) {
1995                                 if (!strcasecmp("or",filter_op)) {
1996                                         buffer_add( join_buf, " OR " );
1997                                 } else {
1998                                         buffer_add( join_buf, " AND " );
1999                                 }
2000                         } else {
2001                                 buffer_add( join_buf, " AND " );
2002                         }
2003
2004                         char* jpred = searchWHERE( filter, idlClass, AND_OP_JOIN, NULL );
2005                         buffer_fadd( join_buf, " %s", jpred );
2006                         free(jpred);
2007                         free(filter_op);
2008                 }
2009
2010                 buffer_add(join_buf, " ) ");
2011
2012                 const jsonObject* join_filter = jsonObjectGetKeyConst( snode, "join" );
2013                 if (join_filter) {
2014                         char* jpred = searchJOIN( join_filter, idlClass );
2015                         buffer_fadd( join_buf, " %s", jpred );
2016                         free(jpred);
2017                 }
2018
2019                 free(fkey);
2020                 free(field);
2021         }
2022
2023     jsonIteratorFree(search_itr);
2024
2025         return buffer_release(join_buf);
2026 }
2027
2028 /*
2029
2030 { +class : { -or|-and : { field : { op : value }, ... } ... }, ... }
2031 { +class : { -or|-and : [ { field : { op : value }, ... }, ...] ... }, ... }
2032 [ { +class : { -or|-and : [ { field : { op : value }, ... }, ...] ... }, ... }, ... ]
2033
2034 */
2035
2036 static char* searchWHERE ( const jsonObject* search_hash, osrfHash* meta, int opjoin_type, osrfMethodContext* ctx ) {
2037
2038         osrfLogDebug(
2039         OSRF_LOG_MARK,
2040         "%s: Entering searchWHERE; search_hash addr = %d, meta addr = %d, opjoin_type = %d, ctx addr = %d",
2041         MODULENAME,
2042         search_hash,
2043         meta,
2044         opjoin_type,
2045         ctx
2046     );
2047
2048         growing_buffer* sql_buf = buffer_init(128);
2049
2050         jsonObject* node = NULL;
2051
2052     int first = 1;
2053     if ( search_hash->type == JSON_ARRAY ) {
2054             osrfLogDebug(OSRF_LOG_MARK, "%s: In WHERE clause, condition type is JSON_ARRAY", MODULENAME);
2055         jsonIterator* search_itr = jsonNewIterator( search_hash );
2056         while ( (node = jsonIteratorNext( search_itr )) ) {
2057             if (first) {
2058                 first = 0;
2059             } else {
2060                 if (opjoin_type == OR_OP_JOIN) buffer_add(sql_buf, " OR ");
2061                 else buffer_add(sql_buf, " AND ");
2062             }
2063
2064             char* subpred = searchWHERE( node, meta, opjoin_type, ctx );
2065             buffer_fadd(sql_buf, "( %s )", subpred);
2066             free(subpred);
2067         }
2068         jsonIteratorFree(search_itr);
2069
2070     } else if ( search_hash->type == JSON_HASH ) {
2071             osrfLogDebug(OSRF_LOG_MARK, "%s: In WHERE clause, condition type is JSON_HASH", MODULENAME);
2072         jsonIterator* search_itr = jsonNewIterator( search_hash );
2073         while ( (node = jsonIteratorNext( search_itr )) ) {
2074
2075             if (first) {
2076                 first = 0;
2077             } else {
2078                 if (opjoin_type == OR_OP_JOIN) buffer_add(sql_buf, " OR ");
2079                 else buffer_add(sql_buf, " AND ");
2080             }
2081
2082             if ( !strncmp("+",search_itr->key,1) ) {
2083                 if ( node->type == JSON_STRING ) {
2084                     char* subpred = jsonObjectToSimpleString( node );
2085                     buffer_fadd(sql_buf, " \"%s\".%s ", search_itr->key + 1, subpred);
2086                     free(subpred);
2087                 } else {
2088                     char* subpred = searchWHERE( node, osrfHashGet( oilsIDL(), search_itr->key + 1 ), AND_OP_JOIN, ctx );
2089                     buffer_fadd(sql_buf, "( %s )", subpred);
2090                     free(subpred);
2091                 }
2092             } else if ( !strcasecmp("-or",search_itr->key) ) {
2093                 char* subpred = searchWHERE( node, meta, OR_OP_JOIN, ctx );
2094                 buffer_fadd(sql_buf, "( %s )", subpred);
2095                 free(subpred);
2096             } else if ( !strcasecmp("-and",search_itr->key) ) {
2097                 char* subpred = searchWHERE( node, meta, AND_OP_JOIN, ctx );
2098                 buffer_fadd(sql_buf, "( %s )", subpred);
2099                 free(subpred);
2100             } else if ( !strcasecmp("-exists",search_itr->key) ) {
2101                 char* subpred = SELECT(
2102                     ctx,
2103                     jsonObjectGetKey( node, "select" ),
2104                     jsonObjectGetKey( node, "from" ),
2105                     jsonObjectGetKey( node, "where" ),
2106                     jsonObjectGetKey( node, "having" ),
2107                     jsonObjectGetKey( node, "order_by" ),
2108                     jsonObjectGetKey( node, "limit" ),
2109                     jsonObjectGetKey( node, "offset" ),
2110                     SUBSELECT
2111                 );
2112
2113                 buffer_fadd(sql_buf, "EXISTS ( %s )", subpred);
2114                 free(subpred);
2115             } else if ( !strcasecmp("-not-exists",search_itr->key) ) {
2116                 char* subpred = SELECT(
2117                     ctx,
2118                     jsonObjectGetKey( node, "select" ),
2119                     jsonObjectGetKey( node, "from" ),
2120                     jsonObjectGetKey( node, "where" ),
2121                     jsonObjectGetKey( node, "having" ),
2122                     jsonObjectGetKey( node, "order_by" ),
2123                     jsonObjectGetKey( node, "limit" ),
2124                     jsonObjectGetKey( node, "offset" ),
2125                     SUBSELECT
2126                 );
2127
2128                 buffer_fadd(sql_buf, "NOT EXISTS ( %s )", subpred);
2129                 free(subpred);
2130             } else {
2131
2132                 char* class = osrfHashGet(meta, "classname");
2133                 osrfHash* fields = osrfHashGet(meta, "fields");
2134                 osrfHash* field = osrfHashGet( fields, search_itr->key );
2135
2136
2137                 if (!field) {
2138                     char* table = getSourceDefinition(meta);
2139                     osrfLogError(
2140                         OSRF_LOG_MARK,
2141                         "%s: Attempt to reference non-existant column %s on %s (%s)",
2142                         MODULENAME,
2143                         search_itr->key,
2144                         table,
2145                         class
2146                     );
2147                     buffer_free(sql_buf);
2148                     free(table);
2149                                         jsonIteratorFree(search_itr);
2150                                         return NULL;
2151                 }
2152
2153                 char* subpred = searchPredicate( class, field, node );
2154                 buffer_add( sql_buf, subpred );
2155                 free(subpred);
2156             }
2157         }
2158             jsonIteratorFree(search_itr);
2159
2160     } else {
2161         // ERROR ... only hash and array allowed at this level
2162         char* predicate_string = jsonObjectToJSON( search_hash );
2163         osrfLogError(
2164             OSRF_LOG_MARK,
2165             "%s: Invalid predicate structure: %s",
2166             MODULENAME,
2167             predicate_string
2168         );
2169         buffer_free(sql_buf);
2170         free(predicate_string);
2171         return NULL;
2172     }
2173
2174
2175         return buffer_release(sql_buf);
2176 }
2177
2178 static char* SELECT (
2179                 /* method context */ osrfMethodContext* ctx,
2180
2181                 /* SELECT   */ jsonObject* selhash,
2182                 /* FROM     */ jsonObject* join_hash,
2183                 /* WHERE    */ jsonObject* search_hash,
2184                 /* HAVING   */ jsonObject* having_hash,
2185                 /* ORDER BY */ jsonObject* order_hash,
2186                 /* LIMIT    */ jsonObject* limit,
2187                 /* OFFSET   */ jsonObject* offset,
2188                 /* flags    */ int flags
2189 ) {
2190         const char* locale = osrf_message_get_last_locale();
2191
2192         // in case we don't get a select list
2193         jsonObject* defaultselhash = NULL;
2194
2195         // general tmp objects
2196         const jsonObject* tmp_const;
2197         jsonObject* _tmp = NULL;
2198         jsonObject* selclass = NULL;
2199         jsonObject* selfield = NULL;
2200         jsonObject* snode = NULL;
2201         jsonObject* onode = NULL;
2202         jsonObject* found = NULL;
2203
2204         char* string = NULL;
2205         int from_function = 0;
2206         int first = 1;
2207         int gfirst = 1;
2208         //int hfirst = 1;
2209
2210         // the core search class
2211         char* core_class = NULL;
2212
2213         // metadata about the core search class
2214         osrfHash* core_meta = NULL;
2215         osrfHash* core_fields = NULL;
2216         osrfHash* idlClass = NULL;
2217
2218         // punt if there's no core class
2219         if (!join_hash || ( join_hash->type == JSON_HASH && !join_hash->size ))
2220                 return NULL;
2221
2222         // get the core class -- the only key of the top level FROM clause, or a string
2223         if (join_hash->type == JSON_HASH) {
2224                 jsonIterator* tmp_itr = jsonNewIterator( join_hash );
2225                 snode = jsonIteratorNext( tmp_itr );
2226
2227                 core_class = strdup( tmp_itr->key );
2228                 join_hash = snode;
2229
2230                 jsonIteratorFree( tmp_itr );
2231                 snode = NULL;
2232
2233         } else if (join_hash->type == JSON_ARRAY) {
2234         from_function = 1;
2235         selhash = NULL;
2236
2237         } else if (join_hash->type == JSON_STRING) {
2238                 core_class = jsonObjectToSimpleString( join_hash );
2239                 join_hash = NULL;
2240         }
2241
2242         // punt if we don't know about the core class (and it's not a function)
2243         if (!from_function && !(core_meta = osrfHashGet( oilsIDL(), core_class ))) {
2244                 free(core_class);
2245                 return NULL;
2246         }
2247
2248         // if the select list is empty, or the core class field list is '*',
2249         // build the default select list ...
2250         if (!selhash) {
2251                 selhash = defaultselhash = jsonNewObjectType(JSON_HASH);
2252                 jsonObjectSetKey( selhash, core_class, jsonNewObjectType(JSON_ARRAY) );
2253         } else if ( (tmp_const = jsonObjectGetKeyConst( selhash, core_class )) && tmp_const->type == JSON_STRING ) {
2254                 char* _x = jsonObjectToSimpleString( tmp_const );
2255                 if (!strncmp( "*", _x, 1 )) {
2256                         jsonObjectRemoveKey( selhash, core_class );
2257                         jsonObjectSetKey( selhash, core_class, jsonNewObjectType(JSON_ARRAY) );
2258                 }
2259                 free(_x);
2260         }
2261
2262         // the query buffer
2263         growing_buffer* sql_buf = buffer_init(128);
2264
2265         // temp buffer for the SELECT list
2266         growing_buffer* select_buf = buffer_init(128);
2267         growing_buffer* order_buf = buffer_init(128);
2268         growing_buffer* group_buf = buffer_init(128);
2269         growing_buffer* having_buf = buffer_init(128);
2270
2271         if (!from_function)
2272         core_fields = osrfHashGet(core_meta, "fields");
2273
2274         // ... and if we /are/ building the default list, do that
2275         if ( (_tmp = jsonObjectGetKey(selhash,core_class)) && !_tmp->size ) {
2276
2277                 int i = 0;
2278                 char* field;
2279
2280         if (!from_function) {
2281                 osrfStringArray* keys = osrfHashKeys( core_fields );
2282                 while ( (field = osrfStringArrayGetString(keys, i++)) ) {
2283                         if ( strncasecmp( "true", osrfHashGet( osrfHashGet( core_fields, field ), "virtual" ), 4 ) )
2284                                 jsonObjectPush( _tmp, jsonNewObject( field ) );
2285                 }
2286                 osrfStringArrayFree(keys);
2287         }
2288         }
2289
2290         // Now we build the actual select list
2291         if (!from_function) {
2292             int sel_pos = 1;
2293             jsonObject* is_agg = jsonObjectFindPath(selhash, "//aggregate");
2294             first = 1;
2295             gfirst = 1;
2296             jsonIterator* selclass_itr = jsonNewIterator( selhash );
2297             while ( (selclass = jsonIteratorNext( selclass_itr )) ) {
2298
2299                     // round trip through the idl, just to be safe
2300                     idlClass = osrfHashGet( oilsIDL(), selclass_itr->key );
2301                     if (!idlClass) continue;
2302                     char* cname = osrfHashGet(idlClass, "classname");
2303
2304                     // make sure the target relation is in the join tree
2305                     if (strcmp(core_class,cname)) {
2306                             if (!join_hash) continue;
2307
2308                             if (join_hash->type == JSON_STRING) {
2309                                     string = jsonObjectToSimpleString(join_hash);
2310                                     found = strcmp(string,cname) ? NULL : jsonParseString("{\"1\":\"1\"}");
2311                                     free(string);
2312                             } else {
2313                                     found = jsonObjectFindPath(join_hash, "//%s", cname);
2314                             }
2315
2316                             if (!found->size) {
2317                                     jsonObjectFree(found);
2318                                     continue;
2319                             }
2320
2321                             jsonObjectFree(found);
2322                     }
2323
2324                     // stitch together the column list ...
2325                     jsonIterator* select_itr = jsonNewIterator( selclass );
2326                     while ( (selfield = jsonIteratorNext( select_itr )) ) {
2327
2328                             char* __column = NULL;
2329                             char* __alias = NULL;
2330
2331                             // ... if it's a sstring, just toss it on the pile
2332                             if (selfield->type == JSON_STRING) {
2333
2334                                     // again, just to be safe
2335                                     char* _requested_col = jsonObjectToSimpleString(selfield);
2336                                     osrfHash* field = osrfHashGet( osrfHashGet( idlClass, "fields" ), _requested_col );
2337                                     free(_requested_col);
2338
2339                                     if (!field) continue;
2340                                     __column = strdup(osrfHashGet(field, "name"));
2341
2342                                     if (first) {
2343                                             first = 0;
2344                                     } else {
2345                                             buffer_add(select_buf, ",");
2346                                     }
2347
2348                     if (locale) {
2349                             char* i18n = osrfHashGet(field, "i18n");
2350                                     if (flags & DISABLE_I18N)
2351                             i18n = NULL;
2352
2353                             if ( i18n && !strncasecmp("true", i18n, 4)) {
2354                                 char* pkey = osrfHashGet(idlClass, "primarykey");
2355                                 char* tname = osrfHashGet(idlClass, "tablename");
2356
2357                             buffer_fadd(select_buf, " oils_i18n_xlate('%s', '%s', '%s', '%s', \"%s\".%s::TEXT, '%s') AS \"%s\"", tname, cname, __column, pkey, cname, pkey, locale, __column);
2358                         } else {
2359                                             buffer_fadd(select_buf, " \"%s\".%s AS \"%s\"", cname, __column, __column);
2360                         }
2361                     } else {
2362                                         buffer_fadd(select_buf, " \"%s\".%s AS \"%s\"", cname, __column, __column);
2363                     }
2364
2365                             // ... but it could be an object, in which case we check for a Field Transform
2366                             } else {
2367
2368                                     __column = jsonObjectToSimpleString( jsonObjectGetKeyConst( selfield, "column" ) );
2369
2370                                     // again, just to be safe
2371                                     osrfHash* field = osrfHashGet( osrfHashGet( idlClass, "fields" ), __column );
2372                                     if (!field) continue;
2373                                     const char* fname = osrfHashGet(field, "name");
2374
2375                                     if (first) {
2376                                             first = 0;
2377                                     } else {
2378                                             buffer_add(select_buf, ",");
2379                                     }
2380
2381                                     if ((tmp_const = jsonObjectGetKeyConst( selfield, "alias" ))) {
2382                                             __alias = jsonObjectToSimpleString( tmp_const );
2383                                     } else {
2384                                             __alias = strdup(__column);
2385                                     }
2386
2387                                     if (jsonObjectGetKeyConst( selfield, "transform" )) {
2388                                             free(__column);
2389                                             __column = searchFieldTransform(cname, field, selfield);
2390                                             buffer_fadd(select_buf, " %s AS \"%s\"", __column, __alias);
2391                                     } else {
2392                         if (locale) {
2393                                     char* i18n = osrfHashGet(field, "i18n");
2394                                         if (flags & DISABLE_I18N)
2395                                 i18n = NULL;
2396
2397                                     if ( i18n && !strncasecmp("true", i18n, 4)) {
2398                                     char* pkey = osrfHashGet(idlClass, "primarykey");
2399                                     char* tname = osrfHashGet(idlClass, "tablename");
2400
2401                                 buffer_fadd(select_buf, " oils_i18n_xlate('%s', '%s', '%s', '%s', \"%s\".%s::TEXT, '%s') AS \"%s\"", tname, cname, fname, pkey, cname, pkey, locale, __alias);
2402                             } else {
2403                                                     buffer_fadd(select_buf, " \"%s\".%s AS \"%s\"", cname, fname, __alias);
2404                             }
2405                         } else {
2406                                                 buffer_fadd(select_buf, " \"%s\".%s AS \"%s\"", cname, fname, __alias);
2407                         }
2408                                     }
2409                             }
2410
2411                             if (is_agg->size || (flags & SELECT_DISTINCT)) {
2412
2413                                     if ( !(
2414                             jsonBoolIsTrue( jsonObjectGetKey( selfield, "aggregate" ) ) ||
2415                                 ((int)jsonObjectGetNumber(jsonObjectGetKey( selfield, "aggregate" ))) == 1 // support 1/0 for perl's sake
2416                          )
2417                     ) {
2418                                             if (gfirst) {
2419                                                     gfirst = 0;
2420                                             } else {
2421                                                     buffer_add(group_buf, ",");
2422                                             }
2423
2424                                             buffer_fadd(group_buf, " %d", sel_pos);
2425                                     /*
2426                                     } else if (is_agg = jsonObjectGetKey( selfield, "having" )) {
2427                                             if (gfirst) {
2428                                                     gfirst = 0;
2429                                             } else {
2430                                                     buffer_add(group_buf, ",");
2431                                             }
2432
2433                                             __column = searchFieldTransform(cname, field, selfield);
2434                                             buffer_fadd(group_buf, " %s", __column);
2435                                             __column = searchFieldTransform(cname, field, selfield);
2436                                     */
2437                                     }
2438                             }
2439
2440                             if (__column) free(__column);
2441                             if (__alias) free(__alias);
2442
2443                             sel_pos++;
2444                     }
2445
2446             // jsonIteratorFree(select_itr);
2447             }
2448
2449         // jsonIteratorFree(selclass_itr);
2450
2451             if (is_agg) jsonObjectFree(is_agg);
2452     } else {
2453         buffer_add(select_buf, "*");
2454     }
2455
2456
2457         char* col_list = buffer_release(select_buf);
2458         char* table = NULL;
2459     if (!from_function) table = getSourceDefinition(core_meta);
2460     else table = searchValueTransform(join_hash);
2461
2462         // Put it all together
2463         buffer_fadd(sql_buf, "SELECT %s FROM %s AS \"%s\" ", col_list, table, core_class );
2464         free(col_list);
2465         free(table);
2466
2467     if (!from_function) {
2468             // Now, walk the join tree and add that clause
2469             if ( join_hash ) {
2470                     char* join_clause = searchJOIN( join_hash, core_meta );
2471                     buffer_add(sql_buf, join_clause);
2472                     free(join_clause);
2473             }
2474
2475             if ( search_hash ) {
2476                     buffer_add(sql_buf, " WHERE ");
2477
2478                     // and it's on the the WHERE clause
2479                     char* pred = searchWHERE( search_hash, core_meta, AND_OP_JOIN, ctx );
2480
2481                     if (!pred) {
2482                             if (ctx) {
2483                                 osrfAppSessionStatus(
2484                                         ctx->session,
2485                                         OSRF_STATUS_INTERNALSERVERERROR,
2486                                         "osrfMethodException",
2487                                         ctx->request,
2488                                         "Severe query error in WHERE predicate -- see error log for more details"
2489                                 );
2490                             }
2491                             free(core_class);
2492                             buffer_free(having_buf);
2493                             buffer_free(group_buf);
2494                             buffer_free(order_buf);
2495                             buffer_free(sql_buf);
2496                             if (defaultselhash) jsonObjectFree(defaultselhash);
2497                             return NULL;
2498                     } else {
2499                             buffer_add(sql_buf, pred);
2500                             free(pred);
2501                     }
2502         }
2503
2504             if ( having_hash ) {
2505                     buffer_add(sql_buf, " HAVING ");
2506
2507                     // and it's on the the WHERE clause
2508                     char* pred = searchWHERE( having_hash, core_meta, AND_OP_JOIN, ctx );
2509
2510                     if (!pred) {
2511                             if (ctx) {
2512                                 osrfAppSessionStatus(
2513                                         ctx->session,
2514                                         OSRF_STATUS_INTERNALSERVERERROR,
2515                                         "osrfMethodException",
2516                                         ctx->request,
2517                                         "Severe query error in HAVING predicate -- see error log for more details"
2518                                 );
2519                             }
2520                             free(core_class);
2521                             buffer_free(having_buf);
2522                             buffer_free(group_buf);
2523                             buffer_free(order_buf);
2524                             buffer_free(sql_buf);
2525                             if (defaultselhash) jsonObjectFree(defaultselhash);
2526                             return NULL;
2527                     } else {
2528                             buffer_add(sql_buf, pred);
2529                             free(pred);
2530                     }
2531             }
2532
2533             first = 1;
2534             jsonIterator* class_itr = jsonNewIterator( order_hash );
2535             while ( (snode = jsonIteratorNext( class_itr )) ) {
2536
2537                     if (!jsonObjectGetKeyConst(selhash,class_itr->key))
2538                             continue;
2539
2540                     if ( snode->type == JSON_HASH ) {
2541
2542                         jsonIterator* order_itr = jsonNewIterator( snode );
2543                             while ( (onode = jsonIteratorNext( order_itr )) ) {
2544
2545                                     if (!oilsIDLFindPath( "/%s/fields/%s", class_itr->key, order_itr->key ))
2546                                             continue;
2547
2548                                     char* direction = NULL;
2549                                     if ( onode->type == JSON_HASH ) {
2550                                             if ( jsonObjectGetKeyConst( onode, "transform" ) ) {
2551                                                     string = searchFieldTransform(
2552                                                             class_itr->key,
2553                                                             oilsIDLFindPath( "/%s/fields/%s", class_itr->key, order_itr->key ),
2554                                                             onode
2555                                                     );
2556                                             } else {
2557                                                     growing_buffer* field_buf = buffer_init(16);
2558                                                     buffer_fadd(field_buf, "\"%s\".%s", class_itr->key, order_itr->key);
2559                                                     string = buffer_release(field_buf);
2560                                             }
2561
2562                                             if ( (tmp_const = jsonObjectGetKeyConst( onode, "direction" )) ) {
2563                                                     direction = jsonObjectToSimpleString(tmp_const);
2564                                                     if (!strncasecmp(direction, "d", 1)) {
2565                                                             free(direction);
2566                                                             direction = " DESC";
2567                                                     } else {
2568                                                             free(direction);
2569                                                             direction = " ASC";
2570                                                     }
2571                                             }
2572
2573                                     } else {
2574                                             string = strdup(order_itr->key);
2575                                             direction = jsonObjectToSimpleString(onode);
2576                                             if (!strncasecmp(direction, "d", 1)) {
2577                                                     free(direction);
2578                                                     direction = " DESC";
2579                                             } else {
2580                                                     free(direction);
2581                                                     direction = " ASC";
2582                                             }
2583                                     }
2584
2585                                     if (first) {
2586                                             first = 0;
2587                                     } else {
2588                                             buffer_add(order_buf, ", ");
2589                                     }
2590
2591                                     buffer_add(order_buf, string);
2592                                     free(string);
2593
2594                                     if (direction) {
2595                                             buffer_add(order_buf, direction);
2596                                     }
2597
2598                             }
2599                 // jsonIteratorFree(order_itr);
2600
2601                     } else if ( snode->type == JSON_ARRAY ) {
2602
2603                         jsonIterator* order_itr = jsonNewIterator( snode );
2604                             while ( (onode = jsonIteratorNext( order_itr )) ) {
2605
2606                                     char* _f = jsonObjectToSimpleString( onode );
2607
2608                                     if (!oilsIDLFindPath( "/%s/fields/%s", class_itr->key, _f))
2609                                             continue;
2610
2611                                     if (first) {
2612                                             first = 0;
2613                                     } else {
2614                                             buffer_add(order_buf, ", ");
2615                                     }
2616
2617                                     buffer_add(order_buf, _f);
2618                                     free(_f);
2619
2620                             }
2621                 // jsonIteratorFree(order_itr);
2622
2623
2624                     // IT'S THE OOOOOOOOOOOLD STYLE!
2625                     } else {
2626                             osrfLogError(OSRF_LOG_MARK, "%s: Possible SQL injection attempt; direct order by is not allowed", MODULENAME);
2627                             if (ctx) {
2628                                 osrfAppSessionStatus(
2629                                         ctx->session,
2630                                         OSRF_STATUS_INTERNALSERVERERROR,
2631                                         "osrfMethodException",
2632                                         ctx->request,
2633                                         "Severe query error -- see error log for more details"
2634                                 );
2635                             }
2636
2637                             free(core_class);
2638                             buffer_free(having_buf);
2639                             buffer_free(group_buf);
2640                             buffer_free(order_buf);
2641                             buffer_free(sql_buf);
2642                             if (defaultselhash) jsonObjectFree(defaultselhash);
2643                             jsonIteratorFree(class_itr);
2644                             return NULL;
2645                     }
2646
2647             }
2648     }
2649
2650     // jsonIteratorFree(class_itr);
2651
2652         string = buffer_release(group_buf);
2653
2654         if (strlen(string)) {
2655                 buffer_fadd(
2656                         sql_buf,
2657                         " GROUP BY %s",
2658                         string
2659                 );
2660         }
2661
2662         free(string);
2663
2664         string = buffer_release(having_buf);
2665
2666         if (strlen(string)) {
2667                 buffer_fadd(
2668                         sql_buf,
2669                         " HAVING %s",
2670                         string
2671                 );
2672         }
2673
2674         free(string);
2675
2676         string = buffer_release(order_buf);
2677
2678         if (strlen(string)) {
2679                 buffer_fadd(
2680                         sql_buf,
2681                         " ORDER BY %s",
2682                         string
2683                 );
2684         }
2685
2686         free(string);
2687
2688         if ( limit ){
2689                 string = jsonObjectToSimpleString(limit);
2690                 buffer_fadd( sql_buf, " LIMIT %d", atoi(string) );
2691                 free(string);
2692         }
2693
2694         if (offset) {
2695                 string = jsonObjectToSimpleString(offset);
2696                 buffer_fadd( sql_buf, " OFFSET %d", atoi(string) );
2697                 free(string);
2698         }
2699
2700         if (!(flags & SUBSELECT)) buffer_add(sql_buf, ";");
2701
2702         free(core_class);
2703         if (defaultselhash) jsonObjectFree(defaultselhash);
2704
2705         return buffer_release(sql_buf);
2706
2707 }
2708
2709 static char* buildSELECT ( jsonObject* search_hash, jsonObject* order_hash, osrfHash* meta, osrfMethodContext* ctx ) {
2710
2711         const char* locale = osrf_message_get_last_locale();
2712
2713         osrfHash* fields = osrfHashGet(meta, "fields");
2714         char* core_class = osrfHashGet(meta, "classname");
2715
2716         const jsonObject* join_hash = jsonObjectGetKeyConst( order_hash, "join" );
2717
2718         jsonObject* node = NULL;
2719         jsonObject* snode = NULL;
2720         jsonObject* onode = NULL;
2721         const jsonObject* _tmp = NULL;
2722         jsonObject* selhash = NULL;
2723         jsonObject* defaultselhash = NULL;
2724
2725         growing_buffer* sql_buf = buffer_init(128);
2726         growing_buffer* select_buf = buffer_init(128);
2727
2728         if ( !(selhash = jsonObjectGetKey( order_hash, "select" )) ) {
2729                 defaultselhash = jsonNewObjectType(JSON_HASH);
2730                 selhash = defaultselhash;
2731         }
2732
2733         if ( !jsonObjectGetKeyConst(selhash,core_class) ) {
2734                 jsonObjectSetKey( selhash, core_class, jsonNewObjectType(JSON_ARRAY) );
2735                 jsonObject* flist = jsonObjectGetKey( selhash, core_class );
2736
2737                 int i = 0;
2738                 char* field;
2739
2740                 osrfStringArray* keys = osrfHashKeys( fields );
2741                 while ( (field = osrfStringArrayGetString(keys, i++)) ) {
2742                         if ( strcasecmp( "true", osrfHashGet( osrfHashGet( fields, field ), "virtual" ) ) )
2743                                 jsonObjectPush( flist, jsonNewObject( field ) );
2744                 }
2745                 osrfStringArrayFree(keys);
2746         }
2747
2748         int first = 1;
2749         jsonIterator* class_itr = jsonNewIterator( selhash );
2750         while ( (snode = jsonIteratorNext( class_itr )) ) {
2751
2752                 osrfHash* idlClass = osrfHashGet( oilsIDL(), class_itr->key );
2753                 if (!idlClass) continue;
2754                 char* cname = osrfHashGet(idlClass, "classname");
2755
2756                 if (strcmp(core_class,class_itr->key)) {
2757                         if (!join_hash) continue;
2758
2759                         jsonObject* found =  jsonObjectFindPath(join_hash, "//%s", class_itr->key);
2760                         if (!found->size) {
2761                                 jsonObjectFree(found);
2762                                 continue;
2763                         }
2764
2765                         jsonObjectFree(found);
2766                 }
2767
2768                 jsonIterator* select_itr = jsonNewIterator( snode );
2769                 while ( (node = jsonIteratorNext( select_itr )) ) {
2770                         char* item_str = jsonObjectToSimpleString(node);
2771                         osrfHash* field = osrfHashGet( osrfHashGet( idlClass, "fields" ), item_str );
2772                         free(item_str);
2773                         char* fname = osrfHashGet(field, "name");
2774
2775                         if (!field) continue;
2776
2777                         if (first) {
2778                                 first = 0;
2779                         } else {
2780                                 buffer_add(select_buf, ",");
2781                         }
2782
2783             if (locale) {
2784                         char* i18n = osrfHashGet(field, "i18n");
2785                             if ( !(
2786                         jsonBoolIsTrue( jsonObjectGetKey( order_hash, "no_i18n" ) ) ||
2787                         ((int)jsonObjectGetNumber(jsonObjectGetKey( order_hash, "no_i18n" ))) == 1 // support 1/0 for perl's sake
2788                      )
2789                 ) i18n = NULL;
2790
2791                         if ( i18n && !strncasecmp("true", i18n, 4)) {
2792                         char* pkey = osrfHashGet(idlClass, "primarykey");
2793                         char* tname = osrfHashGet(idlClass, "tablename");
2794
2795                     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);
2796                 } else {
2797                                 buffer_fadd(select_buf, " \"%s\".%s", cname, fname);
2798                 }
2799             } else {
2800                             buffer_fadd(select_buf, " \"%s\".%s", cname, fname);
2801             }
2802                 }
2803
2804         jsonIteratorFree(select_itr);
2805         }
2806
2807     jsonIteratorFree(class_itr);
2808
2809         char* col_list = buffer_release(select_buf);
2810         char* table = getSourceDefinition(meta);
2811
2812         buffer_fadd(sql_buf, "SELECT %s FROM %s AS \"%s\"", col_list, table, core_class );
2813         free(col_list);
2814         free(table);
2815
2816         if ( join_hash ) {
2817                 char* join_clause = searchJOIN( join_hash, meta );
2818                 buffer_fadd(sql_buf, " %s", join_clause);
2819                 free(join_clause);
2820         }
2821
2822         char* tmpsql = buffer_data(sql_buf); // This strdup's ... no worries.
2823         osrfLogDebug(OSRF_LOG_MARK, "%s pre-predicate SQL =  %s", MODULENAME, tmpsql);
2824         free(tmpsql);
2825
2826         buffer_add(sql_buf, " WHERE ");
2827
2828         char* pred = searchWHERE( search_hash, meta, AND_OP_JOIN, ctx );
2829         if (!pred) {
2830                 osrfAppSessionStatus(
2831                         ctx->session,
2832                         OSRF_STATUS_INTERNALSERVERERROR,
2833                                 "osrfMethodException",
2834                                 ctx->request,
2835                                 "Severe query error -- see error log for more details"
2836                         );
2837                 buffer_free(sql_buf);
2838                 if(defaultselhash) jsonObjectFree(defaultselhash);
2839                 return NULL;
2840         } else {
2841                 buffer_add(sql_buf, pred);
2842                 free(pred);
2843         }
2844
2845         if (order_hash) {
2846                 char* string = NULL;
2847                 if ( (_tmp = jsonObjectGetKeyConst( order_hash, "order_by" )) ){
2848
2849                         growing_buffer* order_buf = buffer_init(128);
2850
2851                         first = 1;
2852                         jsonIterator* class_itr = jsonNewIterator( _tmp );
2853                         while ( (snode = jsonIteratorNext( class_itr )) ) {
2854
2855                                 if (!jsonObjectGetKeyConst(selhash,class_itr->key))
2856                                         continue;
2857
2858                                 if ( snode->type == JSON_HASH ) {
2859
2860                                         jsonIterator* order_itr = jsonNewIterator( snode );
2861                                         while ( (onode = jsonIteratorNext( order_itr )) ) {
2862
2863                                                 if (!oilsIDLFindPath( "/%s/fields/%s", class_itr->key, order_itr->key ))
2864                                                         continue;
2865
2866                                                 char* direction = NULL;
2867                                                 if ( onode->type == JSON_HASH ) {
2868                                                         if ( jsonObjectGetKeyConst( onode, "transform" ) ) {
2869                                                                 string = searchFieldTransform(
2870                                                                         class_itr->key,
2871                                                                         oilsIDLFindPath( "/%s/fields/%s", class_itr->key, order_itr->key ),
2872                                                                         onode
2873                                                                 );
2874                                                         } else {
2875                                                                 growing_buffer* field_buf = buffer_init(16);
2876                                                                 buffer_fadd(field_buf, "\"%s\".%s", class_itr->key, order_itr->key);
2877                                                                 string = buffer_release(field_buf);
2878                                                         }
2879
2880                                                         if ( (_tmp = jsonObjectGetKeyConst( onode, "direction" )) ) {
2881                                                                 direction = jsonObjectToSimpleString(_tmp);
2882                                                                 if (!strncasecmp(direction, "d", 1)) {
2883                                                                         free(direction);
2884                                                                         direction = " DESC";
2885                                                                 } else {
2886                                                                         free(direction);
2887                                                                         direction = " ASC";
2888                                                                 }
2889                                                         }
2890
2891                                                 } else {
2892                                                         string = strdup(order_itr->key);
2893                                                         direction = jsonObjectToSimpleString(onode);
2894                                                         if (!strncasecmp(direction, "d", 1)) {
2895                                                                 free(direction);
2896                                                                 direction = " DESC";
2897                                                         } else {
2898                                                                 free(direction);
2899                                                                 direction = " ASC";
2900                                                         }
2901                                                 }
2902
2903                                                 if (first) {
2904                                                         first = 0;
2905                                                 } else {
2906                                                         buffer_add(order_buf, ", ");
2907                                                 }
2908
2909                                                 buffer_add(order_buf, string);
2910                                                 free(string);
2911
2912                                                 if (direction) {
2913                                                         buffer_add(order_buf, direction);
2914                                                 }
2915
2916                                         }
2917
2918                     jsonIteratorFree(order_itr);
2919
2920                                 } else {
2921                                         string = jsonObjectToSimpleString(snode);
2922                                         buffer_add(order_buf, string);
2923                                         free(string);
2924                                         break;
2925                                 }
2926
2927                         }
2928
2929             jsonIteratorFree(class_itr);
2930
2931                         string = buffer_release(order_buf);
2932
2933                         if (strlen(string)) {
2934                                 buffer_fadd(
2935                                         sql_buf,
2936                                         " ORDER BY %s",
2937                                         string
2938                                 );
2939                         }
2940
2941                         free(string);
2942                 }
2943
2944                 if ( (_tmp = jsonObjectGetKeyConst( order_hash, "limit" )) ){
2945                         string = jsonObjectToSimpleString(_tmp);
2946                         buffer_fadd(
2947                                 sql_buf,
2948                                 " LIMIT %d",
2949                                 atoi(string)
2950                         );
2951                         free(string);
2952                 }
2953
2954                 _tmp = jsonObjectGetKeyConst( order_hash, "offset" );
2955                 if (_tmp) {
2956                         string = jsonObjectToSimpleString(_tmp);
2957                         buffer_fadd(
2958                                 sql_buf,
2959                                 " OFFSET %d",
2960                                 atoi(string)
2961                         );
2962                         free(string);
2963                 }
2964         }
2965
2966         if (defaultselhash) jsonObjectFree(defaultselhash);
2967
2968         buffer_add(sql_buf, ";");
2969         return buffer_release(sql_buf);
2970 }
2971
2972 int doJSONSearch ( osrfMethodContext* ctx ) {
2973         OSRF_METHOD_VERIFY_CONTEXT(ctx);
2974         osrfLogDebug(OSRF_LOG_MARK, "Recieved query request");
2975
2976         int err = 0;
2977
2978         // XXX for now...
2979         dbhandle = writehandle;
2980
2981         jsonObject* hash = jsonObjectGetIndex(ctx->params, 0);
2982
2983     int flags = 0;
2984
2985         if (jsonBoolIsTrue(jsonObjectGetKey( hash, "distinct" )))
2986          flags |= SELECT_DISTINCT;
2987
2988         if ( ((int)jsonObjectGetNumber(jsonObjectGetKey( hash, "distinct" ))) == 1 ) // support 1/0 for perl's sake
2989          flags |= SELECT_DISTINCT;
2990
2991         if (jsonBoolIsTrue(jsonObjectGetKey( hash, "no_i18n" )))
2992          flags |= DISABLE_I18N;
2993
2994         if ( ((int)jsonObjectGetNumber(jsonObjectGetKey( hash, "no_i18n" ))) == 1 ) // support 1/0 for perl's sake
2995          flags |= DISABLE_I18N;
2996
2997         osrfLogDebug(OSRF_LOG_MARK, "Building SQL ...");
2998         char* sql = SELECT(
2999                         ctx,
3000                         jsonObjectGetKey( hash, "select" ),
3001                         jsonObjectGetKey( hash, "from" ),
3002                         jsonObjectGetKey( hash, "where" ),
3003                         jsonObjectGetKey( hash, "having" ),
3004                         jsonObjectGetKey( hash, "order_by" ),
3005                         jsonObjectGetKey( hash, "limit" ),
3006                         jsonObjectGetKey( hash, "offset" ),
3007                         flags
3008         );
3009
3010         if (!sql) {
3011                 err = -1;
3012                 return err;
3013         }
3014
3015         osrfLogDebug(OSRF_LOG_MARK, "%s SQL =  %s", MODULENAME, sql);
3016         dbi_result result = dbi_conn_query(dbhandle, sql);
3017
3018         if(result) {
3019                 osrfLogDebug(OSRF_LOG_MARK, "Query returned with no errors");
3020
3021                 if (dbi_result_first_row(result)) {
3022                         /* JSONify the result */
3023                         osrfLogDebug(OSRF_LOG_MARK, "Query returned at least one row");
3024
3025                         do {
3026                                 jsonObject* return_val = oilsMakeJSONFromResult( result );
3027                                 osrfAppRespond( ctx, return_val );
3028                 jsonObjectFree( return_val );
3029                         } while (dbi_result_next_row(result));
3030
3031                 } else {
3032                         osrfLogDebug(OSRF_LOG_MARK, "%s returned no results for query %s", MODULENAME, sql);
3033                 }
3034
3035                 osrfAppRespondComplete( ctx, NULL );
3036
3037                 /* clean up the query */
3038                 dbi_result_free(result);
3039
3040         } else {
3041                 err = -1;
3042                 osrfLogError(OSRF_LOG_MARK, "%s: Error with query [%s]", MODULENAME, sql);
3043                 osrfAppSessionStatus(
3044                         ctx->session,
3045                         OSRF_STATUS_INTERNALSERVERERROR,
3046                         "osrfMethodException",
3047                         ctx->request,
3048                         "Severe query error -- see error log for more details"
3049                 );
3050         }
3051
3052         free(sql);
3053         return err;
3054 }
3055
3056 static jsonObject* doFieldmapperSearch ( osrfMethodContext* ctx, osrfHash* meta,
3057                 const jsonObject* params, int* err ) {
3058
3059         // XXX for now...
3060         dbhandle = writehandle;
3061
3062         osrfHash* links = osrfHashGet(meta, "links");
3063         osrfHash* fields = osrfHashGet(meta, "fields");
3064         char* core_class = osrfHashGet(meta, "classname");
3065         char* pkey = osrfHashGet(meta, "primarykey");
3066
3067         const jsonObject* _tmp;
3068         jsonObject* obj;
3069         jsonObject* search_hash = jsonObjectGetIndex(params, 0);
3070         jsonObject* order_hash = jsonObjectGetIndex(params, 1);
3071
3072         char* sql = buildSELECT( search_hash, order_hash, meta, ctx );
3073         if (!sql) {
3074                 osrfLogDebug(OSRF_LOG_MARK, "Problem building query, returning NULL");
3075                 *err = -1;
3076                 return NULL;
3077         }
3078
3079         osrfLogDebug(OSRF_LOG_MARK, "%s SQL =  %s", MODULENAME, sql);
3080         dbi_result result = dbi_conn_query(dbhandle, sql);
3081
3082         jsonObject* res_list = jsonNewObjectType(JSON_ARRAY);
3083         if(result) {
3084                 osrfLogDebug(OSRF_LOG_MARK, "Query returned with no errors");
3085                 osrfHash* dedup = osrfNewHash();
3086
3087                 if (dbi_result_first_row(result)) {
3088                         /* JSONify the result */
3089                         osrfLogDebug(OSRF_LOG_MARK, "Query returned at least one row");
3090                         do {
3091                                 obj = oilsMakeFieldmapperFromResult( result, meta );
3092                                 char* pkey_val = oilsFMGetString( obj, pkey );
3093                                 if ( osrfHashGet( dedup, pkey_val ) ) {
3094                                         jsonObjectFree(obj);
3095                                         free(pkey_val);
3096                                 } else {
3097                                         osrfHashSet( dedup, pkey_val, pkey_val );
3098                                         jsonObjectPush(res_list, obj);
3099                                 }
3100                         } while (dbi_result_next_row(result));
3101                 } else {
3102                         osrfLogDebug(OSRF_LOG_MARK, "%s returned no results for query %s", MODULENAME, sql);
3103                 }
3104
3105                 osrfHashFree(dedup);
3106
3107                 /* clean up the query */
3108                 dbi_result_free(result);
3109
3110         } else {
3111                 osrfLogError(OSRF_LOG_MARK, "%s: Error retrieving %s with query [%s]", MODULENAME, osrfHashGet(meta, "fieldmapper"), sql);
3112                 osrfAppSessionStatus(
3113                         ctx->session,
3114                         OSRF_STATUS_INTERNALSERVERERROR,
3115                         "osrfMethodException",
3116                         ctx->request,
3117                         "Severe query error -- see error log for more details"
3118                 );
3119                 *err = -1;
3120                 free(sql);
3121                 jsonObjectFree(res_list);
3122                 return jsonNULL;
3123
3124         }
3125
3126         free(sql);
3127
3128         if (res_list->size && order_hash) {
3129                 _tmp = jsonObjectGetKeyConst( order_hash, "flesh" );
3130                 if (_tmp) {
3131                         int x = (int)jsonObjectGetNumber(_tmp);
3132                         if (x == -1 || x > max_flesh_depth) x = max_flesh_depth;
3133
3134                         const jsonObject* temp_blob;
3135                         if ((temp_blob = jsonObjectGetKeyConst( order_hash, "flesh_fields" )) && x > 0) {
3136
3137                                 jsonObject* flesh_blob = jsonObjectClone( temp_blob );
3138                                 const jsonObject* flesh_fields = jsonObjectGetKeyConst( flesh_blob, core_class );
3139
3140                                 osrfStringArray* link_fields = NULL;
3141
3142                                 if (flesh_fields) {
3143                                         if (flesh_fields->size == 1) {
3144                                                 char* _t = jsonObjectToSimpleString( jsonObjectGetIndex( flesh_fields, 0 ) );
3145                                                 if (!strcmp(_t,"*")) link_fields = osrfHashKeys( links );
3146                                                 free(_t);
3147                                         }
3148
3149                                         if (!link_fields) {
3150                                                 jsonObject* _f;
3151                                                 link_fields = osrfNewStringArray(1);
3152                                                 jsonIterator* _i = jsonNewIterator( flesh_fields );
3153                                                 while ((_f = jsonIteratorNext( _i ))) {
3154                                                         osrfStringArrayAdd( link_fields, jsonObjectToSimpleString( _f ) );
3155                                                 }
3156                         jsonIteratorFree(_i);
3157                                         }
3158                                 }
3159
3160                                 jsonObject* cur;
3161                                 jsonIterator* itr = jsonNewIterator( res_list );
3162                                 while ((cur = jsonIteratorNext( itr ))) {
3163
3164                                         int i = 0;
3165                                         char* link_field;
3166
3167                                         while ( (link_field = osrfStringArrayGetString(link_fields, i++)) ) {
3168
3169                                                 osrfLogDebug(OSRF_LOG_MARK, "Starting to flesh %s", link_field);
3170
3171                                                 osrfHash* kid_link = osrfHashGet(links, link_field);
3172                                                 if (!kid_link) continue;
3173
3174                                                 osrfHash* field = osrfHashGet(fields, link_field);
3175                                                 if (!field) continue;
3176
3177                                                 osrfHash* value_field = field;
3178
3179                                                 osrfHash* kid_idl = osrfHashGet(oilsIDL(), osrfHashGet(kid_link, "class"));
3180                                                 if (!kid_idl) continue;
3181
3182                                                 if (!(strcmp( osrfHashGet(kid_link, "reltype"), "has_many" ))) { // has_many
3183                                                         value_field = osrfHashGet( fields, osrfHashGet(meta, "primarykey") );
3184                                                 }
3185
3186                                                 if (!(strcmp( osrfHashGet(kid_link, "reltype"), "might_have" ))) { // might_have
3187                                                         value_field = osrfHashGet( fields, osrfHashGet(meta, "primarykey") );
3188                                                 }
3189
3190                                                 osrfStringArray* link_map = osrfHashGet( kid_link, "map" );
3191
3192                                                 if (link_map->size > 0) {
3193                                                         jsonObject* _kid_key = jsonNewObjectType(JSON_ARRAY);
3194                                                         jsonObjectPush(
3195                                                                 _kid_key,
3196                                                                 jsonNewObject( osrfStringArrayGetString( link_map, 0 ) )
3197                                                         );
3198
3199                                                         jsonObjectSetKey(
3200                                                                 flesh_blob,
3201                                                                 osrfHashGet(kid_link, "class"),
3202                                                                 _kid_key
3203                                                         );
3204                                                 };
3205
3206                                                 osrfLogDebug(
3207                                                         OSRF_LOG_MARK,
3208                                                         "Link field: %s, remote class: %s, fkey: %s, reltype: %s",
3209                                                         osrfHashGet(kid_link, "field"),
3210                                                         osrfHashGet(kid_link, "class"),
3211                                                         osrfHashGet(kid_link, "key"),
3212                                                         osrfHashGet(kid_link, "reltype")
3213                                                 );
3214
3215                                                 jsonObject* fake_params = jsonNewObjectType(JSON_ARRAY);
3216                                                 jsonObjectPush(fake_params, jsonNewObjectType(JSON_HASH)); // search hash
3217                                                 jsonObjectPush(fake_params, jsonNewObjectType(JSON_HASH)); // order/flesh hash
3218
3219                                                 osrfLogDebug(OSRF_LOG_MARK, "Creating dummy params object...");
3220
3221                                                 char* search_key =
3222                                                 jsonObjectToSimpleString(
3223                                                         jsonObjectGetIndex(
3224                                                                 cur,
3225                                                                 atoi( osrfHashGet(value_field, "array_position") )
3226                                                         )
3227                                                 );
3228
3229                                                 if (!search_key) {
3230                                                         osrfLogDebug(OSRF_LOG_MARK, "Nothing to search for!");
3231                                                         continue;
3232                                                 }
3233
3234                                                 jsonObjectSetKey(
3235                                                         jsonObjectGetIndex(fake_params, 0),
3236                                                         osrfHashGet(kid_link, "key"),
3237                                                         jsonNewObject( search_key )
3238                                                 );
3239
3240                                                 free(search_key);
3241
3242
3243                                                 jsonObjectSetKey(
3244                                                         jsonObjectGetIndex(fake_params, 1),
3245                                                         "flesh",
3246                                                         jsonNewNumberObject( (double)(x - 1 + link_map->size) )
3247                                                 );
3248
3249                                                 if (flesh_blob)
3250                                                         jsonObjectSetKey( jsonObjectGetIndex(fake_params, 1), "flesh_fields", jsonObjectClone(flesh_blob) );
3251
3252                                                 if (jsonObjectGetKeyConst(order_hash, "order_by")) {
3253                                                         jsonObjectSetKey(
3254                                                                 jsonObjectGetIndex(fake_params, 1),
3255                                                                 "order_by",
3256                                                                 jsonObjectClone(jsonObjectGetKeyConst(order_hash, "order_by"))
3257                                                         );
3258                                                 }
3259
3260                                                 if (jsonObjectGetKeyConst(order_hash, "select")) {
3261                                                         jsonObjectSetKey(
3262                                                                 jsonObjectGetIndex(fake_params, 1),
3263                                                                 "select",
3264                                                                 jsonObjectClone(jsonObjectGetKeyConst(order_hash, "select"))
3265                                                         );
3266                                                 }
3267
3268                                                 jsonObject* kids = doFieldmapperSearch(ctx, kid_idl, fake_params, err);
3269
3270                                                 if(*err) {
3271                                                         jsonObjectFree( fake_params );
3272                                                         osrfStringArrayFree(link_fields);
3273                                                         jsonIteratorFree(itr);
3274                                                         jsonObjectFree(res_list);
3275                                                         jsonObjectFree(flesh_blob);
3276                                                         return jsonNULL;
3277                                                 }
3278
3279                                                 osrfLogDebug(OSRF_LOG_MARK, "Search for %s return %d linked objects", osrfHashGet(kid_link, "class"), kids->size);
3280
3281                                                 jsonObject* X = NULL;
3282                                                 if ( link_map->size > 0 && kids->size > 0 ) {
3283                                                         X = kids;
3284                                                         kids = jsonNewObjectType(JSON_ARRAY);
3285
3286                                                         jsonObject* _k_node;
3287                                                         jsonIterator* _k = jsonNewIterator( X );
3288                                                         while ((_k_node = jsonIteratorNext( _k ))) {
3289                                                                 jsonObjectPush(
3290                                                                         kids,
3291                                                                         jsonObjectClone(
3292                                                                                 jsonObjectGetIndex(
3293                                                                                         _k_node,
3294                                                                                         (unsigned long)atoi(
3295                                                                                                 osrfHashGet(
3296                                                                                                         osrfHashGet(
3297                                                                                                                 osrfHashGet(
3298                                                                                                                         osrfHashGet(
3299                                                                                                                                 oilsIDL(),
3300                                                                                                                                 osrfHashGet(kid_link, "class")
3301                                                                                                                         ),
3302                                                                                                                         "fields"
3303                                                                                                                 ),
3304                                                                                                                 osrfStringArrayGetString( link_map, 0 )
3305                                                                                                         ),
3306                                                                                                         "array_position"
3307                                                                                                 )
3308                                                                                         )
3309                                                                                 )
3310                                                                         )
3311                                                                 );
3312                                                         }
3313                                                         jsonIteratorFree(_k);
3314                                                 }
3315
3316                                                 if (!(strcmp( osrfHashGet(kid_link, "reltype"), "has_a" )) || !(strcmp( osrfHashGet(kid_link, "reltype"), "might_have" ))) {
3317                                                         osrfLogDebug(OSRF_LOG_MARK, "Storing fleshed objects in %s", osrfHashGet(kid_link, "field"));
3318                                                         jsonObjectSetIndex(
3319                                                                 cur,
3320                                                                 (unsigned long)atoi( osrfHashGet( field, "array_position" ) ),
3321                                                                 jsonObjectClone( jsonObjectGetIndex(kids, 0) )
3322                                                         );
3323                                                 }
3324
3325                                                 if (!(strcmp( osrfHashGet(kid_link, "reltype"), "has_many" ))) { // has_many
3326                                                         osrfLogDebug(OSRF_LOG_MARK, "Storing fleshed objects in %s", osrfHashGet(kid_link, "field"));
3327                                                         jsonObjectSetIndex(
3328                                                                 cur,
3329                                                                 (unsigned long)atoi( osrfHashGet( field, "array_position" ) ),
3330                                                                 jsonObjectClone( kids )
3331                                                         );
3332                                                 }
3333
3334                                                 if (X) {
3335                                                         jsonObjectFree(kids);
3336                                                         kids = X;
3337                                                 }
3338
3339                                                 jsonObjectFree( kids );
3340                                                 jsonObjectFree( fake_params );
3341
3342                                                 osrfLogDebug(OSRF_LOG_MARK, "Fleshing of %s complete", osrfHashGet(kid_link, "field"));
3343                                                 osrfLogDebug(OSRF_LOG_MARK, "%s", jsonObjectToJSON(cur));
3344
3345                                         }
3346                                 }
3347                                 jsonObjectFree( flesh_blob );
3348                                 osrfStringArrayFree(link_fields);
3349                                 jsonIteratorFree(itr);
3350                         }
3351                 }
3352         }
3353
3354         return res_list;
3355 }
3356
3357
3358 static jsonObject* doUpdate(osrfMethodContext* ctx, int* err ) {
3359
3360         osrfHash* meta = osrfHashGet( (osrfHash*) ctx->method->userData, "class" );
3361 #ifdef PCRUD
3362         jsonObject* target = jsonObjectGetIndex( ctx->params, 1 );
3363 #else
3364         jsonObject* target = jsonObjectGetIndex( ctx->params, 0 );
3365 #endif
3366
3367         if (!verifyObjectClass(ctx, target)) {
3368                 *err = -1;
3369                 return jsonNULL;
3370         }
3371
3372         if (!osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )) {
3373                 osrfAppSessionStatus(
3374                         ctx->session,
3375                         OSRF_STATUS_BADREQUEST,
3376                         "osrfMethodException",
3377                         ctx->request,
3378                         "No active transaction -- required for UPDATE"
3379                 );
3380                 *err = -1;
3381                 return jsonNULL;
3382         }
3383
3384         if (osrfHashGet( meta, "readonly" ) && strncasecmp("true", osrfHashGet( meta, "readonly" ), 4)) {
3385                 osrfAppSessionStatus(
3386                         ctx->session,
3387                         OSRF_STATUS_BADREQUEST,
3388                         "osrfMethodException",
3389                         ctx->request,
3390                         "Cannot UPDATE readonly class"
3391                 );
3392                 *err = -1;
3393                 return jsonNULL;
3394         }
3395
3396         dbhandle = writehandle;
3397
3398         char* trans_id = osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" );
3399
3400         // Set the last_xact_id
3401         int index = oilsIDL_ntop( target->classname, "last_xact_id" );
3402         if (index > -1) {
3403                 osrfLogDebug(OSRF_LOG_MARK, "Setting last_xact_id to %s on %s at position %d", trans_id, target->classname, index);
3404                 jsonObjectSetIndex(target, index, jsonNewObject(trans_id));
3405         }
3406
3407         char* pkey = osrfHashGet(meta, "primarykey");
3408         osrfHash* fields = osrfHashGet(meta, "fields");
3409
3410         char* id = oilsFMGetString( target, pkey );
3411
3412         osrfLogDebug(
3413                 OSRF_LOG_MARK,
3414                 "%s updating %s object with %s = %s",
3415                 MODULENAME,
3416                 osrfHashGet(meta, "fieldmapper"),
3417                 pkey,
3418                 id
3419         );
3420
3421         growing_buffer* sql = buffer_init(128);
3422         buffer_fadd(sql,"UPDATE %s SET", osrfHashGet(meta, "tablename"));
3423
3424         int i = 0;
3425         int first = 1;
3426         char* field_name;
3427         osrfStringArray* field_list = osrfHashKeys( fields );
3428         while ( (field_name = osrfStringArrayGetString(field_list, i++)) ) {
3429
3430                 osrfHash* field = osrfHashGet( fields, field_name );
3431
3432                 if(!( strcmp( field_name, pkey ) )) continue;
3433                 if(!( strcmp( osrfHashGet(osrfHashGet(fields,field_name), "virtual"), "true" ) )) continue;
3434
3435                 const jsonObject* field_object = oilsFMGetObject( target, field_name );
3436
3437                 char* value;
3438                 if (field_object && field_object->classname) {
3439                         value = oilsFMGetString(
3440                                 field_object,
3441                                 (char*)oilsIDLFindPath("/%s/primarykey", field_object->classname)
3442             );
3443                 } else {
3444                         value = jsonObjectToSimpleString( field_object );
3445                 }
3446
3447                 osrfLogDebug( OSRF_LOG_MARK, "Updating %s object with %s = %s", osrfHashGet(meta, "fieldmapper"), field_name, value);
3448
3449                 if (!field_object || field_object->type == JSON_NULL) {
3450                         if ( !(!( strcmp( osrfHashGet(meta, "classname"), "au" ) ) && !( strcmp( field_name, "passwd" ) )) ) { // arg at the special case!
3451                                 if (first) first = 0;
3452                                 else buffer_add(sql, ",");
3453                                 buffer_fadd( sql, " %s = NULL", field_name );
3454                         }
3455
3456                 } else if ( !strcmp(osrfHashGet(field, "primitive"), "number") ) {
3457                         if (first) first = 0;
3458                         else buffer_add(sql, ",");
3459
3460                         if ( !strncmp(osrfHashGet(field, "datatype"), "INT", (size_t)3) ) {
3461                                 buffer_fadd( sql, " %s = %ld", field_name, atol(value) );
3462                         } else if ( !strcmp(osrfHashGet(field, "datatype"), "NUMERIC") ) {
3463                                 buffer_fadd( sql, " %s = %f", field_name, atof(value) );
3464                         }
3465
3466                         osrfLogDebug( OSRF_LOG_MARK, "%s is of type %s", field_name, osrfHashGet(field, "datatype"));
3467
3468                 } else {
3469                         if ( dbi_conn_quote_string(dbhandle, &value) ) {
3470                                 if (first) first = 0;
3471                                 else buffer_add(sql, ",");
3472                                 buffer_fadd( sql, " %s = %s", field_name, value );
3473
3474                         } else {
3475                                 osrfLogError(OSRF_LOG_MARK, "%s: Error quoting string [%s]", MODULENAME, value);
3476                                 osrfAppSessionStatus(
3477                                         ctx->session,
3478                                         OSRF_STATUS_INTERNALSERVERERROR,
3479                                         "osrfMethodException",
3480                                         ctx->request,
3481                                         "Error quoting string -- please see the error log for more details"
3482                                 );
3483                                 free(value);
3484                                 free(id);
3485                                 buffer_free(sql);
3486                                 *err = -1;
3487                                 return jsonNULL;
3488                         }
3489                 }
3490
3491                 free(value);
3492
3493         }
3494
3495         jsonObject* obj = jsonParseString(id);
3496
3497         if ( strcmp( osrfHashGet( osrfHashGet( osrfHashGet(meta, "fields"), pkey ), "primitive" ), "number" ) )
3498                 dbi_conn_quote_string(dbhandle, &id);
3499
3500         buffer_fadd( sql, " WHERE %s = %s;", pkey, id );
3501
3502         char* query = buffer_release(sql);
3503         osrfLogDebug(OSRF_LOG_MARK, "%s: Update SQL [%s]", MODULENAME, query);
3504
3505         dbi_result result = dbi_conn_query(dbhandle, query);
3506         free(query);
3507
3508         if (!result) {
3509                 jsonObjectFree(obj);
3510                 obj = jsonNewObject(NULL);
3511                 osrfLogError(
3512                         OSRF_LOG_MARK,
3513                         "%s ERROR updating %s object with %s = %s",
3514                         MODULENAME,
3515                         osrfHashGet(meta, "fieldmapper"),
3516                         pkey,
3517                         id
3518                 );
3519         }
3520
3521         free(id);
3522
3523         return obj;
3524 }
3525
3526 static jsonObject* doDelete(osrfMethodContext* ctx, int* err ) {
3527
3528         osrfHash* meta = osrfHashGet( (osrfHash*) ctx->method->userData, "class" );
3529
3530         if (!osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )) {
3531                 osrfAppSessionStatus(
3532                         ctx->session,
3533                         OSRF_STATUS_BADREQUEST,
3534                         "osrfMethodException",
3535                         ctx->request,
3536                         "No active transaction -- required for DELETE"
3537                 );
3538                 *err = -1;
3539                 return jsonNULL;
3540         }
3541
3542         if (osrfHashGet( meta, "readonly" ) && strncasecmp("true", osrfHashGet( meta, "readonly" ), 4)) {
3543                 osrfAppSessionStatus(
3544                         ctx->session,
3545                         OSRF_STATUS_BADREQUEST,
3546                         "osrfMethodException",
3547                         ctx->request,
3548                         "Cannot DELETE readonly class"
3549                 );
3550                 *err = -1;
3551                 return jsonNULL;
3552         }
3553
3554         dbhandle = writehandle;
3555
3556         jsonObject* obj;
3557
3558         char* pkey = osrfHashGet(meta, "primarykey");
3559
3560         int _obj_pos = 0;
3561 #ifdef PCRUD
3562                 _obj_pos = 1;
3563 #endif
3564
3565         char* id;
3566         if (jsonObjectGetIndex(ctx->params, _obj_pos)->classname) {
3567                 if (!verifyObjectClass(ctx, jsonObjectGetIndex( ctx->params, _obj_pos ))) {
3568                         *err = -1;
3569                         return jsonNULL;
3570                 }
3571
3572                 id = oilsFMGetString( jsonObjectGetIndex(ctx->params, _obj_pos), pkey );
3573         } else {
3574 #ifdef PCRUD
3575         if (!verifyObjectPCRUD( ctx, NULL )) {
3576                         *err = -1;
3577                         return jsonNULL;
3578         }
3579 #endif
3580                 id = jsonObjectToSimpleString(jsonObjectGetIndex(ctx->params, _obj_pos));
3581         }
3582
3583         osrfLogDebug(
3584                 OSRF_LOG_MARK,
3585                 "%s deleting %s object with %s = %s",
3586                 MODULENAME,
3587                 osrfHashGet(meta, "fieldmapper"),
3588                 pkey,
3589                 id
3590         );
3591
3592         obj = jsonParseString(id);
3593
3594         if ( strcmp( osrfHashGet( osrfHashGet( osrfHashGet(meta, "fields"), pkey ), "primitive" ), "number" ) )
3595                 dbi_conn_quote_string(writehandle, &id);
3596
3597         dbi_result result = dbi_conn_queryf(writehandle, "DELETE FROM %s WHERE %s = %s;", osrfHashGet(meta, "tablename"), pkey, id);
3598
3599         if (!result) {
3600                 jsonObjectFree(obj);
3601                 obj = jsonNewObject(NULL);
3602                 osrfLogError(
3603                         OSRF_LOG_MARK,
3604                         "%s ERROR deleting %s object with %s = %s",
3605                         MODULENAME,
3606                         osrfHashGet(meta, "fieldmapper"),
3607                         pkey,
3608                         id
3609                 );
3610         }
3611
3612         free(id);
3613
3614         return obj;
3615
3616 }
3617
3618
3619 static jsonObject* oilsMakeFieldmapperFromResult( dbi_result result, osrfHash* meta) {
3620         if(!(result && meta)) return jsonNULL;
3621
3622         jsonObject* object = jsonNewObject(NULL);
3623         jsonObjectSetClass(object, osrfHashGet(meta, "classname"));
3624
3625         osrfHash* fields = osrfHashGet(meta, "fields");
3626
3627         osrfLogInternal(OSRF_LOG_MARK, "Setting object class to %s ", object->classname);
3628
3629         osrfHash* _f;
3630         time_t _tmp_dt;
3631         char dt_string[256];
3632         struct tm gmdt;
3633
3634         int fmIndex;
3635         int columnIndex = 1;
3636         int attr;
3637         unsigned short type;
3638         const char* columnName;
3639
3640         /* cycle through the column list */
3641         while( (columnName = dbi_result_get_field_name(result, columnIndex++)) ) {
3642
3643                 osrfLogInternal(OSRF_LOG_MARK, "Looking for column named [%s]...", (char*)columnName);
3644
3645                 fmIndex = -1; // reset the position
3646
3647                 /* determine the field type and storage attributes */
3648                 type = dbi_result_get_field_type(result, columnName);
3649                 attr = dbi_result_get_field_attribs(result, columnName);
3650
3651                 /* fetch the fieldmapper index */
3652                 if( (_f = osrfHashGet(fields, (char*)columnName)) ) {
3653                         char* virt = (char*)osrfHashGet(_f, "virtual");
3654                         char* pos = (char*)osrfHashGet(_f, "array_position");
3655
3656                         if ( !virt || !pos || !(strcmp( virt, "true" )) ) continue;
3657
3658                         fmIndex = atoi( pos );
3659                         osrfLogInternal(OSRF_LOG_MARK, "... Found column at position [%s]...", pos);
3660                 } else {
3661                         continue;
3662                 }
3663
3664                 if (dbi_result_field_is_null(result, columnName)) {
3665                         jsonObjectSetIndex( object, fmIndex, jsonNewObject(NULL) );
3666                 } else {
3667
3668                         switch( type ) {
3669
3670                                 case DBI_TYPE_INTEGER :
3671
3672                                         if( attr & DBI_INTEGER_SIZE8 )
3673                                                 jsonObjectSetIndex( object, fmIndex,
3674                                                         jsonNewNumberObject(dbi_result_get_longlong(result, columnName)));
3675                                         else
3676                                                 jsonObjectSetIndex( object, fmIndex,
3677                                                         jsonNewNumberObject(dbi_result_get_int(result, columnName)));
3678
3679                                         break;
3680
3681                                 case DBI_TYPE_DECIMAL :
3682                                         jsonObjectSetIndex( object, fmIndex,
3683                                                         jsonNewNumberObject(dbi_result_get_double(result, columnName)));
3684                                         break;
3685
3686                                 case DBI_TYPE_STRING :
3687
3688
3689                                         jsonObjectSetIndex(
3690                                                 object,
3691                                                 fmIndex,
3692                                                 jsonNewObject( dbi_result_get_string(result, columnName) )
3693                                         );
3694
3695                                         break;
3696
3697                                 case DBI_TYPE_DATETIME :
3698
3699                                         memset(dt_string, '\0', sizeof(dt_string));
3700                                         memset(&gmdt, '\0', sizeof(gmdt));
3701
3702                                         _tmp_dt = dbi_result_get_datetime(result, columnName);
3703
3704
3705                                         if (!(attr & DBI_DATETIME_DATE)) {
3706                                                 gmtime_r( &_tmp_dt, &gmdt );
3707                                                 strftime(dt_string, sizeof(dt_string), "%T", &gmdt);
3708                                         } else if (!(attr & DBI_DATETIME_TIME)) {
3709                                                 localtime_r( &_tmp_dt, &gmdt );
3710                                                 strftime(dt_string, sizeof(dt_string), "%F", &gmdt);
3711                                         } else {
3712                                                 localtime_r( &_tmp_dt, &gmdt );
3713                                                 strftime(dt_string, sizeof(dt_string), "%FT%T%z", &gmdt);
3714                                         }
3715
3716                                         jsonObjectSetIndex( object, fmIndex, jsonNewObject(dt_string) );
3717
3718                                         break;
3719
3720                                 case DBI_TYPE_BINARY :
3721                                         osrfLogError( OSRF_LOG_MARK,
3722                                                 "Can't do binary at column %s : index %d", columnName, columnIndex - 1);
3723                         }
3724                 }
3725         }
3726
3727         return object;
3728 }
3729
3730 static jsonObject* oilsMakeJSONFromResult( dbi_result result ) {
3731         if(!result) return jsonNULL;
3732
3733         jsonObject* object = jsonNewObject(NULL);
3734
3735         time_t _tmp_dt;
3736         char dt_string[256];
3737         struct tm gmdt;
3738
3739         int fmIndex;
3740         int columnIndex = 1;
3741         int attr;
3742         unsigned short type;
3743         const char* columnName;
3744
3745         /* cycle through the column list */
3746         while( (columnName = dbi_result_get_field_name(result, columnIndex++)) ) {
3747
3748                 osrfLogInternal(OSRF_LOG_MARK, "Looking for column named [%s]...", (char*)columnName);
3749
3750                 fmIndex = -1; // reset the position
3751
3752                 /* determine the field type and storage attributes */
3753                 type = dbi_result_get_field_type(result, columnName);
3754                 attr = dbi_result_get_field_attribs(result, columnName);
3755
3756                 if (dbi_result_field_is_null(result, columnName)) {
3757                         jsonObjectSetKey( object, columnName, jsonNewObject(NULL) );
3758                 } else {
3759
3760                         switch( type ) {
3761
3762                                 case DBI_TYPE_INTEGER :
3763
3764                                         if( attr & DBI_INTEGER_SIZE8 )
3765                                                 jsonObjectSetKey( object, columnName, jsonNewNumberObject(dbi_result_get_longlong(result, columnName)) );
3766                                         else
3767                                                 jsonObjectSetKey( object, columnName, jsonNewNumberObject(dbi_result_get_int(result, columnName)) );
3768                                         break;
3769
3770                                 case DBI_TYPE_DECIMAL :
3771                                         jsonObjectSetKey( object, columnName, jsonNewNumberObject(dbi_result_get_double(result, columnName)) );
3772                                         break;
3773
3774                                 case DBI_TYPE_STRING :
3775                                         jsonObjectSetKey( object, columnName, jsonNewObject(dbi_result_get_string(result, columnName)) );
3776                                         break;
3777
3778                                 case DBI_TYPE_DATETIME :
3779
3780                                         memset(dt_string, '\0', sizeof(dt_string));
3781                                         memset(&gmdt, '\0', sizeof(gmdt));
3782
3783                                         _tmp_dt = dbi_result_get_datetime(result, columnName);
3784
3785
3786                                         if (!(attr & DBI_DATETIME_DATE)) {
3787                                                 gmtime_r( &_tmp_dt, &gmdt );
3788                                                 strftime(dt_string, sizeof(dt_string), "%T", &gmdt);
3789                                         } else if (!(attr & DBI_DATETIME_TIME)) {
3790                                                 localtime_r( &_tmp_dt, &gmdt );
3791                                                 strftime(dt_string, sizeof(dt_string), "%F", &gmdt);
3792                                         } else {
3793                                                 localtime_r( &_tmp_dt, &gmdt );
3794                                                 strftime(dt_string, sizeof(dt_string), "%FT%T%z", &gmdt);
3795                                         }
3796
3797                                         jsonObjectSetKey( object, columnName, jsonNewObject(dt_string) );
3798                                         break;
3799
3800                                 case DBI_TYPE_BINARY :
3801                                         osrfLogError( OSRF_LOG_MARK,
3802                                                 "Can't do binary at column %s : index %d", columnName, columnIndex - 1);
3803                         }
3804                 }
3805         }
3806
3807         return object;
3808 }
3809