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

   1 #include "opensrf/osrf_application.h"
   2 #include "opensrf/osrf_settings.h"
   3 #include "opensrf/utils.h"
   4 #include "objson/object.h"
   5 #include "opensrf/log.h"
   6 #include "oils_utils.h"
   7 #include "oils_constants.h"
   8 #include "oils_event.h"
   9 #include "oils_idl.h"
  10 #include <dbi/dbi.h>
  11
  12 #include <time.h>
  13 #include <stdlib.h>
  14 #include <string.h>
  15
  16 #define OILS_AUTH_CACHE_PRFX "oils_cstore_"
  17 #define MODULENAME "open-ils.cstore"
  18 #define PERSIST_NS "http://open-ils.org/spec/opensrf/IDL/persistance/v1"
  19 #define OBJECT_NS "http://open-ils.org/spec/opensrf/IDL/objects/v1"
  20 #define BASE_NS "http://opensrf.org/spec/IDL/base/v1"
  21
  22 int osrfAppChildInit();
  23 int osrfAppInitialize();
  24
  25 int verifyObjectClass ( osrfMethodContext*, jsonObject* );
  26
  27 int beginTransaction ( osrfMethodContext* );
  28 int commitTransaction ( osrfMethodContext* );
  29 int rollbackTransaction ( osrfMethodContext* );
  30
  31 int setSavepoint ( osrfMethodContext* );
  32 int releaseSavepoint ( osrfMethodContext* );
  33 int rollbackSavepoint ( osrfMethodContext* );
  34
  35 int dispatchCRUDMethod ( osrfMethodContext* );
  36 jsonObject* doCreate ( osrfMethodContext*, int* );
  37 jsonObject* doRetrieve ( osrfMethodContext*, int* );
  38 jsonObject* doUpdate ( osrfMethodContext*, int* );
  39 jsonObject* doDelete ( osrfMethodContext*, int* );
  40 jsonObject* doSearch ( osrfMethodContext*, osrfHash*, jsonObject*, int* );
  41 jsonObject* oilsMakeJSONFromResult( dbi_result, osrfHash* );
  42
  43 char* searchWriteSimplePredicate ( osrfHash*, const char*, const char*, const char* );
  44 char* searchSimplePredicate ( const char*, osrfHash*, jsonObject* );
  45 char* searchFunctionPredicate ( osrfHash*, jsonObjectNode* );
  46 char* searchFieldTransformPredicate ( osrfHash*, jsonObjectNode* );
  47 char* searchBETWEENPredicate ( osrfHash*, jsonObject* );
  48 char* searchINPredicate ( osrfHash*, jsonObject* );
  49 char* searchPredicate ( osrfHash*, jsonObject* );
  50
  51 void userDataFree( void* );
  52 void sessionDataFree( char*, void* );
  53
  54 dbi_conn writehandle; /* our MASTER db connection */
  55 dbi_conn dbhandle; /* our CURRENT db connection */
  56 osrfHash readHandles;
  57 jsonObject* jsonNULL = NULL; //
  58
  59
  60 /* parse and store the IDL here */
  61 osrfHash* idl;
  62
  63 int osrfAppInitialize() {
  64
  65         // first we register all the transaction and savepoint methods
  66         osrfAppRegisterMethod( MODULENAME, "open-ils.cstore.transaction.begin", "beginTransaction", "", 0, 0 );
  67         osrfAppRegisterMethod( MODULENAME, "open-ils.cstore.transaction.commit", "commitTransaction", "", 0, 0 );
  68         osrfAppRegisterMethod( MODULENAME, "open-ils.cstore.transaction.rollback", "rollbackTransaction", "", 0, 0 );
  69
  70         osrfAppRegisterMethod( MODULENAME, "open-ils.cstore.savepoint.set", "setSavepoint", "", 1, 0 );
  71         osrfAppRegisterMethod( MODULENAME, "open-ils.cstore.savepoint.release", "releaseSavepoint", "", 1, 0 );
  72         osrfAppRegisterMethod( MODULENAME, "open-ils.cstore.savepoint.rollback", "rollbackSavepoint", "", 1, 0 );
  73
  74
  75         osrfLogInfo(OSRF_LOG_MARK, "Initializing the CStore Server...");
  76         osrfLogInfo(OSRF_LOG_MARK, "Finding XML file...");
  77
  78         char * idl_filename = osrf_settings_host_value("/apps/%s/app_settings/IDL", MODULENAME);
  79         osrfLogInfo(OSRF_LOG_MARK, "Found file:");
  80         osrfLogInfo(OSRF_LOG_MARK, idl_filename);
  81
  82         idl = oilsIDLInit( idl_filename );
  83
  84         if (!idl) {
  85                 osrfLogError(OSRF_LOG_MARK, "Problem loading the IDL.  Seacrest out!");
  86                 exit(1);
  87         }
  88
  89         osrfStringArray* global_methods = osrfNewStringArray(6);
  90
  91         osrfStringArrayAdd( global_methods, "create" );
  92         osrfStringArrayAdd( global_methods, "retrieve" );
  93         osrfStringArrayAdd( global_methods, "update" );
  94         osrfStringArrayAdd( global_methods, "delete" );
  95         osrfStringArrayAdd( global_methods, "search" );
  96         osrfStringArrayAdd( global_methods, "id_list" );
  97
  98         int c_index = 0;
  99         char* classname;
 100         osrfStringArray* classes = osrfHashKeys( idl );
 101         osrfLogDebug(OSRF_LOG_MARK, "%d classes loaded", classes->size );
 102         osrfLogDebug(OSRF_LOG_MARK, "At least %d methods will be generated", classes->size * global_methods->size);
 103
 104         while ( (classname = osrfStringArrayGetString(classes, c_index++)) ) {
 105                 osrfLogInfo(OSRF_LOG_MARK, "Generating class methods for %s", classname);
 106
 107                 osrfHash* idlClass = osrfHashGet(idl, classname);
 108
 109                 char* virt = osrfHashGet(idlClass, "virtual");
 110                 if (virt && !strcmp( virt, "true")) {
 111                         osrfLogDebug(OSRF_LOG_MARK, "Class %s is virtual, skipping", classname );
 112                         continue;
 113                 }
 114
 115                 osrfLogDebug(OSRF_LOG_MARK, "HERE");
 116
 117                 int i = 0;
 118                 char* method_type;
 119                 char* st_tmp;
 120                 char* _fm;
 121                 char* part;
 122                 osrfHash* method_meta;
 123                 while ( (method_type = osrfStringArrayGetString(global_methods, i++)) ) {
 124                         osrfLogDebug(OSRF_LOG_MARK, "Using files to build %s class methods for %s", method_type, classname);
 125
 126                         if (!osrfHashGet(idlClass, "fieldmapper")) continue;
 127
 128                         method_meta = osrfNewHash();
 129                         osrfHashSet(method_meta, idlClass, "class");
 130
 131                         _fm = strdup( (char*)osrfHashGet(idlClass, "fieldmapper") );
 132                         part = strtok_r(_fm, ":", &st_tmp);
 133
 134                         growing_buffer* method_name =  buffer_init(64);
 135                         buffer_fadd(method_name, "%s.direct.%s", MODULENAME, part);
 136
 137                         while ((part = strtok_r(NULL, ":", &st_tmp))) {
 138                                 buffer_fadd(method_name, ".%s", part);
 139                         }
 140                         buffer_fadd(method_name, ".%s", method_type);
 141
 142
 143                         char* method = buffer_data(method_name);
 144                         buffer_free(method_name);
 145                         free(_fm);
 146
 147                         osrfHashSet( method_meta, method, "methodname" );
 148                         osrfHashSet( method_meta, method_type, "methodtype" );
 149
 150                         int flags = 0;
 151                         if (!(strcmp( method_type, "search" )) || !(strcmp( method_type, "id_list" ))) {
 152                                 flags = flags | OSRF_METHOD_STREAMING;
 153                         }
 154
 155                         osrfAppRegisterExtendedMethod(
 156                                 MODULENAME,
 157                                 method,
 158                                 "dispatchCRUDMethod",
 159                                 "",
 160                                 1,
 161                                 flags,
 162                                 (void*)method_meta
 163                         );
 164                 }
 165         }
 166
 167         return 0;
 168 }
 169
 170 /**
 171  * Connects to the database
 172  */
 173 int osrfAppChildInit() {
 174
 175         osrfLogDebug(OSRF_LOG_MARK, "Attempting to initialize libdbi...");
 176         dbi_initialize(NULL);
 177         osrfLogDebug(OSRF_LOG_MARK, "... libdbi initialized.");
 178
 179         char* driver    = osrf_settings_host_value("/apps/%s/app_settings/driver", MODULENAME);
 180         char* user      = osrf_settings_host_value("/apps/%s/app_settings/database/user", MODULENAME);
 181         char* host      = osrf_settings_host_value("/apps/%s/app_settings/database/host", MODULENAME);
 182         char* port      = osrf_settings_host_value("/apps/%s/app_settings/database/port", MODULENAME);
 183         char* db        = osrf_settings_host_value("/apps/%s/app_settings/database/db", MODULENAME);
 184         char* pw        = osrf_settings_host_value("/apps/%s/app_settings/database/pw", MODULENAME);
 185
 186         osrfLogDebug(OSRF_LOG_MARK, "Attempting to load the database driver [%s]...", driver);
 187         writehandle = dbi_conn_new(driver);
 188
 189         if(!writehandle) {
 190                 osrfLogError(OSRF_LOG_MARK, "Error loading database driver [%s]", driver);
 191                 return -1;
 192         }
 193         osrfLogDebug(OSRF_LOG_MARK, "Database driver [%s] seems OK", driver);
 194
 195         osrfLogInfo(OSRF_LOG_MARK, "%s connecting to database.  host=%s, "
 196                 "port=%s, user=%s, pw=%s, db=%s", MODULENAME, host, port, user, pw, db );
 197
 198         if(host) dbi_conn_set_option(writehandle, "host", host );
 199         if(port) dbi_conn_set_option_numeric( writehandle, "port", atoi(port) );
 200         if(user) dbi_conn_set_option(writehandle, "username", user);
 201         if(pw) dbi_conn_set_option(writehandle, "password", pw );
 202         if(db) dbi_conn_set_option(writehandle, "dbname", db );
 203
 204         free(user);
 205         free(host);
 206         free(port);
 207         free(db);
 208         free(pw);
 209
 210         const char* err;
 211         if (dbi_conn_connect(writehandle) < 0) {
 212                 dbi_conn_error(writehandle, &err);
 213                 osrfLogError( OSRF_LOG_MARK, "Error connecting to database: %s", err);
 214                 return -1;
 215         }
 216
 217         osrfLogInfo(OSRF_LOG_MARK, "%s successfully connected to the database", MODULENAME);
 218
 219         int attr;
 220         unsigned short type;
 221         int i = 0;
 222         char* classname;
 223         osrfStringArray* classes = osrfHashKeys( idl );
 224
 225         while ( (classname = osrfStringArrayGetString(classes, i++)) ) {
 226                 osrfHash* class = osrfHashGet( idl, classname );
 227                 osrfHash* fields = osrfHashGet( class, "fields" );
 228
 229                 char* virt = osrfHashGet(class, "virtual");
 230                 if (virt && !strcmp( virt, "true")) {
 231                         osrfLogDebug(OSRF_LOG_MARK, "Class %s is virtual, skipping", classname );
 232                         continue;
 233                 }
 234
 235
 236                 growing_buffer* sql_buf = buffer_init(32);
 237                 buffer_fadd( sql_buf, "SELECT * FROM %s WHERE 1=0;", osrfHashGet(class, "tablename") );
 238
 239                 char* sql = buffer_data(sql_buf);
 240                 buffer_free(sql_buf);
 241                 osrfLogDebug(OSRF_LOG_MARK, "%s Investigatory SQL = %s", MODULENAME, sql);
 242
 243                 dbi_result result = dbi_conn_query(writehandle, sql);
 244                 free(sql);
 245
 246                 if (result) {
 247
 248                         int columnIndex = 1;
 249                         const char* columnName;
 250                         osrfHash* _f;
 251                         while( (columnName = dbi_result_get_field_name(result, columnIndex++)) ) {
 252
 253                                 osrfLogDebug(OSRF_LOG_MARK, "Looking for column named [%s]...", (char*)columnName);
 254
 255                                 /* fetch the fieldmapper index */
 256                                 if( (_f = osrfHashGet(fields, (char*)columnName)) ) {
 257
 258                                         osrfLogDebug(OSRF_LOG_MARK, "Found [%s] in IDL hash...", (char*)columnName);
 259
 260                                         /* determine the field type and storage attributes */
 261                                         type = dbi_result_get_field_type(result, columnName);
 262                                         attr = dbi_result_get_field_attribs(result, columnName);
 263
 264                                         switch( type ) {
 265
 266                                                 case DBI_TYPE_INTEGER :
 267
 268                                                         if ( !osrfHashGet(_f, "primitive") )
 269                                                                 osrfHashSet(_f,"number", "primitive");
 270
 271                                                         if( attr & DBI_INTEGER_SIZE8 )
 272                                                                 osrfHashSet(_f,"INT8", "datatype");
 273                                                         else
 274                                                                 osrfHashSet(_f,"INT", "datatype");
 275                                                         break;
 276
 277                                                 case DBI_TYPE_DECIMAL :
 278                                                         if ( !osrfHashGet(_f, "primitive") )
 279                                                                 osrfHashSet(_f,"number", "primitive");
 280
 281                                                         osrfHashSet(_f,"NUMERIC", "datatype");
 282                                                         break;
 283
 284                                                 case DBI_TYPE_STRING :
 285                                                         if ( !osrfHashGet(_f, "primitive") )
 286                                                                 osrfHashSet(_f,"string", "primitive");
 287                                                         osrfHashSet(_f,"TEXT", "datatype");
 288                                                         break;
 289
 290                                                 case DBI_TYPE_DATETIME :
 291                                                         if ( !osrfHashGet(_f, "primitive") )
 292                                                                 osrfHashSet(_f,"string", "primitive");
 293
 294                                                         osrfHashSet(_f,"TIMESTAMP", "datatype");
 295                                                         break;
 296
 297                                                 case DBI_TYPE_BINARY :
 298                                                         if ( !osrfHashGet(_f, "primitive") )
 299                                                                 osrfHashSet(_f,"string", "primitive");
 300
 301                                                         osrfHashSet(_f,"BYTEA", "datatype");
 302                                         }
 303
 304                                         osrfLogDebug(
 305                                                 OSRF_LOG_MARK,
 306                                                 "Setting [%s] to primitive [%s] and datatype [%s]...",
 307                                                 (char*)columnName,
 308                                                 osrfHashGet(_f, "primitive"),
 309                                                 osrfHashGet(_f, "datatype")
 310                                         );
 311                                 }
 312                         }
 313                         dbi_result_free(result);
 314                 } else {
 315                         osrfLogDebug(OSRF_LOG_MARK, "No data found for class [%s]...", (char*)classname);
 316                 }
 317         }
 318
 319         osrfStringArrayFree(classes);
 320
 321         return 0;
 322 }
 323
 324 void userDataFree( void* blob ) {
 325         osrfHashFree( (osrfHash*)blob );
 326         return;
 327 }
 328
 329 void sessionDataFree( char* key, void* item ) {
 330         if (!(strcmp(key,"xact_id"))) {
 331                 if (writehandle)
 332                         dbi_conn_query(writehandle, "ROLLBACK;");
 333                 free(item);
 334         }
 335
 336         return;
 337 }
 338
 339 int beginTransaction ( osrfMethodContext* ctx ) {
 340         OSRF_METHOD_VERIFY_CONTEXT(ctx);
 341
 342         dbi_result result = dbi_conn_query(writehandle, "START TRANSACTION;");
 343         if (!result) {
 344                 osrfLogError(OSRF_LOG_MARK, "%s: Error starting transaction", MODULENAME );
 345                 osrfAppSessionStatus( ctx->session, OSRF_STATUS_INTERNALSERVERERROR, "osrfMethodException", ctx->request, "Error starting transaction" );
 346                 return -1;
 347         } else {
 348                 jsonObject* ret = jsonNewObject(ctx->session->session_id);
 349                 osrfAppRespondComplete( ctx, ret );
 350                 jsonObjectFree(ret);
 351
 352                 if (!ctx->session->userData) {
 353                         ctx->session->userData = osrfNewHash();
 354                         ((osrfHash*)ctx->session->userData)->freeItem = &sessionDataFree;
 355                 }
 356
 357                 osrfHashSet( (osrfHash*)ctx->session->userData, strdup( ctx->session->session_id ), "xact_id" );
 358                 ctx->session->userDataFree = &userDataFree;
 359
 360         }
 361         return 0;
 362 }
 363
 364 int setSavepoint ( osrfMethodContext* ctx ) {
 365         OSRF_METHOD_VERIFY_CONTEXT(ctx);
 366
 367         char* spName = jsonObjectToSimpleString(jsonObjectGetIndex(ctx->params, 0));
 368
 369         if (!osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )) {
 370                 osrfAppSessionStatus(
 371                         ctx->session,
 372                         OSRF_STATUS_INTERNALSERVERERROR,
 373                         "osrfMethodException",
 374                         ctx->request,
 375                         "No active transaction -- required for savepoints"
 376                 );
 377                 return -1;
 378         }
 379
 380         dbi_result result = dbi_conn_queryf(writehandle, "SAVEPOINT \"%s\";", spName);
 381         if (!result) {
 382                 osrfLogError(
 383                         OSRF_LOG_MARK,
 384                         "%s: Error creating savepoint %s in transaction %s",
 385                         MODULENAME,
 386                         spName,
 387                         osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )
 388                 );
 389                 osrfAppSessionStatus( ctx->session, OSRF_STATUS_INTERNALSERVERERROR, "osrfMethodException", ctx->request, "Error creating savepoint" );
 390                 return -1;
 391         } else {
 392                 jsonObject* ret = jsonNewObject(spName);
 393                 osrfAppRespondComplete( ctx, ret );
 394                 jsonObjectFree(ret);
 395         }
 396         return 0;
 397 }
 398
 399 int releaseSavepoint ( osrfMethodContext* ctx ) {
 400         OSRF_METHOD_VERIFY_CONTEXT(ctx);
 401
 402         char* spName = jsonObjectToSimpleString(jsonObjectGetIndex(ctx->params, 0));
 403
 404         if (!osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )) {
 405                 osrfAppSessionStatus(
 406                         ctx->session,
 407                         OSRF_STATUS_INTERNALSERVERERROR,
 408                         "osrfMethodException",
 409                         ctx->request,
 410                         "No active transaction -- required for savepoints"
 411                 );
 412                 return -1;
 413         }
 414
 415         dbi_result result = dbi_conn_queryf(writehandle, "RELEASE SAVEPOINT \"%s\";", spName);
 416         if (!result) {
 417                 osrfLogError(
 418                         OSRF_LOG_MARK,
 419                         "%s: Error releasing savepoint %s in transaction %s",
 420                         MODULENAME,
 421                         spName,
 422                         osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )
 423                 );
 424                 osrfAppSessionStatus( ctx->session, OSRF_STATUS_INTERNALSERVERERROR, "osrfMethodException", ctx->request, "Error releasing savepoint" );
 425                 return -1;
 426         } else {
 427                 jsonObject* ret = jsonNewObject(spName);
 428                 osrfAppRespondComplete( ctx, ret );
 429                 jsonObjectFree(ret);
 430         }
 431         return 0;
 432 }
 433
 434 int rollbackSavepoint ( osrfMethodContext* ctx ) {
 435         OSRF_METHOD_VERIFY_CONTEXT(ctx);
 436
 437         char* spName = jsonObjectToSimpleString(jsonObjectGetIndex(ctx->params, 0));
 438
 439         if (!osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )) {
 440                 osrfAppSessionStatus(
 441                         ctx->session,
 442                         OSRF_STATUS_INTERNALSERVERERROR,
 443                         "osrfMethodException",
 444                         ctx->request,
 445                         "No active transaction -- required for savepoints"
 446                 );
 447                 return -1;
 448         }
 449
 450         dbi_result result = dbi_conn_queryf(writehandle, "ROLLBACK TO SAVEPOINT \"%s\";", spName);
 451         if (!result) {
 452                 osrfLogError(
 453                         OSRF_LOG_MARK,
 454                         "%s: Error rolling back savepoint %s in transaction %s",
 455                         MODULENAME,
 456                         spName,
 457                         osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )
 458                 );
 459                 osrfAppSessionStatus( ctx->session, OSRF_STATUS_INTERNALSERVERERROR, "osrfMethodException", ctx->request, "Error rolling back savepoint" );
 460                 return -1;
 461         } else {
 462                 jsonObject* ret = jsonNewObject(spName);
 463                 osrfAppRespondComplete( ctx, ret );
 464                 jsonObjectFree(ret);
 465         }
 466         return 0;
 467 }
 468
 469 int commitTransaction ( osrfMethodContext* ctx ) {
 470         OSRF_METHOD_VERIFY_CONTEXT(ctx);
 471
 472         if (!osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )) {
 473                 osrfAppSessionStatus( ctx->session, OSRF_STATUS_INTERNALSERVERERROR, "osrfMethodException", ctx->request, "No active transaction to commit" );
 474                 return -1;
 475         }
 476
 477         dbi_result result = dbi_conn_query(writehandle, "COMMIT;");
 478         if (!result) {
 479                 osrfLogError(OSRF_LOG_MARK, "%s: Error committing transaction", MODULENAME );
 480                 osrfAppSessionStatus( ctx->session, OSRF_STATUS_INTERNALSERVERERROR, "osrfMethodException", ctx->request, "Error committing transaction" );
 481                 return -1;
 482         } else {
 483                 osrfHashRemove(ctx->session->userData, "xact_id");
 484                 jsonObject* ret = jsonNewObject(ctx->session->session_id);
 485                 osrfAppRespondComplete( ctx, ret );
 486                 jsonObjectFree(ret);
 487         }
 488         return 0;
 489 }
 490
 491 int rollbackTransaction ( osrfMethodContext* ctx ) {
 492         OSRF_METHOD_VERIFY_CONTEXT(ctx);
 493
 494         if (!osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )) {
 495                 osrfAppSessionStatus( ctx->session, OSRF_STATUS_INTERNALSERVERERROR, "osrfMethodException", ctx->request, "No active transaction to roll back" );
 496                 return -1;
 497         }
 498
 499         dbi_result result = dbi_conn_query(writehandle, "ROLLBACK;");
 500         if (!result) {
 501                 osrfLogError(OSRF_LOG_MARK, "%s: Error rolling back transaction", MODULENAME );
 502                 osrfAppSessionStatus( ctx->session, OSRF_STATUS_INTERNALSERVERERROR, "osrfMethodException", ctx->request, "Error rolling back transaction" );
 503                 return -1;
 504         } else {
 505                 osrfHashRemove(ctx->session->userData, "xact_id");
 506                 jsonObject* ret = jsonNewObject(ctx->session->session_id);
 507                 osrfAppRespondComplete( ctx, ret );
 508                 jsonObjectFree(ret);
 509         }
 510         return 0;
 511 }
 512
 513 int dispatchCRUDMethod ( osrfMethodContext* ctx ) {
 514         OSRF_METHOD_VERIFY_CONTEXT(ctx);
 515
 516         osrfHash* meta = (osrfHash*) ctx->method->userData;
 517         osrfHash* class_obj = osrfHashGet( meta, "class" );
 518
 519         int err = 0;
 520
 521         jsonObject * obj = NULL;
 522         if (!strcmp( (char*)osrfHashGet(meta, "methodtype"), "create"))
 523                 obj = doCreate(ctx, &err);
 524
 525         if (!strcmp( (char*)osrfHashGet(meta, "methodtype"), "retrieve"))
 526                 obj = doRetrieve(ctx, &err);
 527
 528         if (!strcmp( (char*)osrfHashGet(meta, "methodtype"), "update"))
 529                 obj = doUpdate(ctx, &err);
 530
 531         if (!strcmp( (char*)osrfHashGet(meta, "methodtype"), "delete"))
 532                 obj = doDelete(ctx, &err);
 533
 534         if (!strcmp( (char*)osrfHashGet(meta, "methodtype"), "search")) {
 535
 536                 obj = doSearch(ctx, class_obj, ctx->params, &err);
 537                 if(err) return err;
 538
 539                 jsonObjectNode* cur;
 540                 jsonObjectIterator* itr = jsonNewObjectIterator( obj );
 541                 while ((cur = jsonObjectIteratorNext( itr ))) {
 542                         osrfAppRespond( ctx, jsonObjectClone(cur->item) );
 543                 }
 544                 jsonObjectIteratorFree(itr);
 545                 osrfAppRespondComplete( ctx, NULL );
 546
 547         } else if (!strcmp( (char*)osrfHashGet(meta, "methodtype"), "id_list")) {
 548
 549                 jsonObject* _p = jsonObjectClone( ctx->params );
 550                 if (jsonObjectGetIndex( _p, 1 )) {
 551                         jsonObjectRemoveKey( jsonObjectGetIndex( _p, 1 ), "flesh" );
 552                         jsonObjectRemoveKey( jsonObjectGetIndex( _p, 1 ), "flesh_columns" );
 553                 } else {
 554                         jsonObjectSetIndex( _p, 1, jsonParseString("{}") );
 555                 }
 556
 557                 growing_buffer* sel_list = buffer_init(16);
 558                 buffer_fadd(sel_list, "{ \"%s\":[\"%s\"] }", osrfHashGet( class_obj, "classname" ), osrfHashGet( class_obj, "primarykey" ));
 559                 char* _s = buffer_data(sel_list);
 560                 buffer_free(sel_list);
 561
 562                 jsonObjectSetKey( jsonObjectGetIndex( _p, 1 ), "select", jsonParseString(_s) );
 563                 osrfLogDebug(OSRF_LOG_MARK, "%s: Select qualifer set to [%s]", MODULENAME, _s);
 564                 free(_s);
 565
 566                 obj = doSearch(ctx, class_obj, _p, &err);
 567                 if(err) return err;
 568
 569                 jsonObjectNode* cur;
 570                 jsonObjectIterator* itr = jsonNewObjectIterator( obj );
 571                 while ((cur = jsonObjectIteratorNext( itr ))) {
 572                         osrfAppRespond(
 573                                 ctx,
 574                                 jsonObjectClone(
 575                                         jsonObjectGetIndex(
 576                                                 cur->item,
 577                                                 atoi(
 578                                                         osrfHashGet(
 579                                                                 osrfHashGet(
 580                                                                         osrfHashGet( class_obj, "fields" ),
 581                                                                         osrfHashGet( class_obj, "primarykey")
 582                                                                 ),
 583                                                                 "array_position"
 584                                                         )
 585                                                 )
 586                                         )
 587                                 )
 588                         );
 589                 }
 590                 jsonObjectIteratorFree(itr);
 591                 osrfAppRespondComplete( ctx, NULL );
 592
 593         } else {
 594                 osrfAppRespondComplete( ctx, obj );
 595         }
 596
 597         jsonObjectFree(obj);
 598
 599         return err;
 600 }
 601
 602 int verifyObjectClass ( osrfMethodContext* ctx, jsonObject* param ) {
 603
 604         osrfHash* meta = (osrfHash*) ctx->method->userData;
 605         osrfHash* class = osrfHashGet( meta, "class" );
 606
 607         if ((strcmp( osrfHashGet(class, "classname"), param->classname ))) {
 608
 609                 growing_buffer* msg = buffer_init(128);
 610                 buffer_fadd(
 611                         msg,
 612                         "%s: %s method for type %s was passed a %s",
 613                         MODULENAME,
 614                         osrfHashGet(meta, "methodtype"),
 615                         osrfHashGet(class, "classname"),
 616                         param->classname
 617                 );
 618
 619                 char* m = buffer_data(msg);
 620                 osrfAppSessionStatus( ctx->session, OSRF_STATUS_BADREQUEST, "osrfMethodException", ctx->request, m );
 621
 622                 buffer_free(msg);
 623                 free(m);
 624
 625                 return 0;
 626         }
 627         return 1;
 628 }
 629
 630 jsonObject* doCreate(osrfMethodContext* ctx, int* err ) {
 631
 632         osrfHash* meta = osrfHashGet( (osrfHash*) ctx->method->userData, "class" );
 633         jsonObject* target = jsonObjectGetIndex( ctx->params, 0 );
 634         jsonObject* options = jsonObjectGetIndex( ctx->params, 1 );
 635
 636         if (!verifyObjectClass(ctx, target)) {
 637                 *err = -1;
 638                 return jsonNULL;
 639         }
 640
 641         osrfLogDebug( OSRF_LOG_MARK, "Object seems to be of the correct type" );
 642
 643         if (!ctx->session || !ctx->session->userData || !osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )) {
 644                 osrfLogError( OSRF_LOG_MARK, "No active transaction -- required for CREATE" );
 645
 646                 osrfAppSessionStatus(
 647                         ctx->session,
 648                         OSRF_STATUS_BADREQUEST,
 649                         "osrfMethodException",
 650                         ctx->request,
 651                         "No active transaction -- required for CREATE"
 652                 );
 653                 *err = -1;
 654                 return jsonNULL;
 655         }
 656
 657         osrfLogDebug( OSRF_LOG_MARK, "There is a transaction running..." );
 658
 659         dbhandle = writehandle;
 660
 661         osrfHash* fields = osrfHashGet(meta, "fields");
 662         char* pkey = osrfHashGet(meta, "primarykey");
 663         char* seq = osrfHashGet(meta, "sequence");
 664
 665         growing_buffer* table_buf = buffer_init(128);
 666         growing_buffer* col_buf = buffer_init(128);
 667         growing_buffer* val_buf = buffer_init(128);
 668
 669         buffer_fadd(table_buf,"INSERT INTO %s", osrfHashGet(meta, "tablename"));
 670         buffer_add(col_buf,"(");
 671         buffer_add(val_buf,"VALUES (");
 672
 673
 674         int i = 0;
 675         int first = 1;
 676         char* field_name;
 677         osrfStringArray* field_list = osrfHashKeys( fields );
 678         while ( (field_name = osrfStringArrayGetString(field_list, i++)) ) {
 679
 680                 osrfHash* field = osrfHashGet( fields, field_name );
 681
 682                 if(!( strcmp( osrfHashGet(osrfHashGet(fields,field_name), "virtual"), "true" ) )) continue;
 683
 684                 osrfLogDebug( OSRF_LOG_MARK, "HERE..." );
 685
 686                 int pos = atoi(osrfHashGet(field, "array_position"));
 687                 char* value = jsonObjectToSimpleString( jsonObjectGetIndex( target, pos ) );
 688
 689                 osrfLogDebug( OSRF_LOG_MARK, "HERE..." );
 690
 691                 if (first) {
 692                         first = 0;
 693                 } else {
 694                         buffer_add(col_buf, ",");
 695                         buffer_add(val_buf, ",");
 696                 }
 697
 698                 buffer_add(col_buf, field_name);
 699
 700                 osrfLogDebug( OSRF_LOG_MARK, "HERE..." );
 701
 702                 if (!jsonObjectGetIndex(target, pos) || jsonObjectGetIndex(target, pos)->type == JSON_NULL) {
 703                 osrfLogDebug( OSRF_LOG_MARK, "HERE..." );
 704
 705                         buffer_add( val_buf, "DEFAULT" );
 706
 707                 } else if ( !strcmp(osrfHashGet(field, "primitive"), "number") ) {
 708                 osrfLogDebug( OSRF_LOG_MARK, "HERE..." );
 709
 710                         if ( !strcmp(osrfHashGet(field, "datatype"), "INT8") ) {
 711                                 buffer_fadd( val_buf, "%lld", atol(value) );
 712
 713                         } else if ( !strcmp(osrfHashGet(field, "datatype"), "INT") ) {
 714                                 buffer_fadd( val_buf, "%ld", atoll(value) );
 715
 716                         } else if ( !strcmp(osrfHashGet(field, "datatype"), "NUMERIC") ) {
 717                                 buffer_fadd( val_buf, "%f", atof(value) );
 718                         }
 719                 } else {
 720                 osrfLogDebug( OSRF_LOG_MARK, "HERE..." );
 721
 722                         if ( dbi_conn_quote_string(writehandle, &value) ) {
 723                                 buffer_fadd( val_buf, "%s", value );
 724
 725                         } else {
 726                                 osrfLogError(OSRF_LOG_MARK, "%s: Error quoting string [%s]", MODULENAME, value);
 727                                 osrfAppSessionStatus(
 728                                         ctx->session,
 729                                         OSRF_STATUS_INTERNALSERVERERROR,
 730                                         "osrfMethodException",
 731                                         ctx->request,
 732                                         "Error quoting string -- please see the error log for more details"
 733                                 );
 734                                 free(value);
 735                                 buffer_free(table_buf);
 736                                 buffer_free(col_buf);
 737                                 buffer_free(val_buf);
 738                                 *err = -1;
 739                                 return jsonNULL;
 740                         }
 741                 }
 742
 743                 osrfLogDebug( OSRF_LOG_MARK, "HERE..." );
 744
 745                 free(value);
 746
 747         }
 748
 749
 750         buffer_add(col_buf,")");
 751         buffer_add(val_buf,")");
 752
 753         growing_buffer* sql = buffer_init(128);
 754         buffer_fadd(
 755                 sql,
 756                 "%s %s %s;",
 757                 buffer_data(table_buf),
 758                 buffer_data(col_buf),
 759                 buffer_data(val_buf)
 760         );
 761         buffer_free(table_buf);
 762         buffer_free(col_buf);
 763         buffer_free(val_buf);
 764
 765         char* query = buffer_data(sql);
 766         buffer_free(sql);
 767
 768         osrfLogDebug(OSRF_LOG_MARK, "%s: Insert SQL [%s]", MODULENAME, query);
 769
 770
 771         dbi_result result = dbi_conn_query(writehandle, query);
 772
 773         jsonObject* obj = NULL;
 774
 775         if (!result) {
 776                 obj = jsonNewObject(NULL);
 777                 osrfLogError(
 778                         OSRF_LOG_MARK,
 779                         "%s ERROR inserting %s object using query [%s]",
 780                         MODULENAME,
 781                         osrfHashGet(meta, "fieldmapper"),
 782                         query
 783                 );
 784                 osrfAppSessionStatus(
 785                         ctx->session,
 786                         OSRF_STATUS_INTERNALSERVERERROR,
 787                         "osrfMethodException",
 788                         ctx->request,
 789                         "INSERT error -- please see the error log for more details"
 790                 );
 791                 *err = -1;
 792         } else {
 793
 794                 int pos = atoi(osrfHashGet( osrfHashGet(fields, pkey), "array_position" ));
 795                 char* id = jsonObjectToSimpleString(jsonObjectGetIndex(target, pos));
 796                 if (!id) {
 797                         unsigned long long new_id = dbi_conn_sequence_last(writehandle, seq);
 798                         growing_buffer* _id = buffer_init(10);
 799                         buffer_fadd(_id, "%lld", new_id);
 800                         id = buffer_data(_id);
 801                         buffer_free(_id);
 802                 }
 803
 804                 if (    !options
 805                         || !jsonObjectGetKey( options, "quiet")
 806                         || strcmp( jsonObjectToSimpleString(jsonObjectGetKey( options, "quiet")), "true" )
 807                 ) {
 808
 809                         jsonObject* fake_params = jsonParseString("[]");
 810                         jsonObjectPush(fake_params, jsonParseString("{}"));
 811
 812                         jsonObjectSetKey(
 813                                 jsonObjectGetIndex(fake_params, 0),
 814                                 osrfHashGet(meta, "primarykey"),
 815                                 jsonNewObject(id)
 816                         );
 817
 818                         jsonObject* list = doSearch( ctx,meta, fake_params, err);
 819
 820                         if(*err) {
 821                                 jsonObjectFree( fake_params );
 822                                 obj = jsonNULL;
 823                         } else {
 824                                 obj = jsonObjectClone( jsonObjectGetIndex(list, 0) );
 825                         }
 826
 827                         jsonObjectFree( list );
 828                         jsonObjectFree( fake_params );
 829
 830                 } else {
 831                         obj = jsonNewObject(id);
 832                 }
 833
 834         }
 835
 836         free(query);
 837
 838         return obj;
 839
 840 }
 841
 842
 843 jsonObject* doRetrieve(osrfMethodContext* ctx, int* err ) {
 844
 845         osrfHash* meta = osrfHashGet( (osrfHash*) ctx->method->userData, "class" );
 846
 847         jsonObject* obj;
 848
 849         char* id = jsonObjectToSimpleString(jsonObjectGetIndex(ctx->params, 0));
 850         jsonObject* order_hash = jsonObjectGetIndex(ctx->params, 1);
 851
 852         osrfLogDebug(
 853                 OSRF_LOG_MARK,
 854                 "%s retrieving %s object with id %s",
 855                 MODULENAME,
 856                 osrfHashGet(meta, "fieldmapper"),
 857                 id
 858         );
 859
 860         jsonObject* fake_params = jsonParseString("[]");
 861         jsonObjectPush(fake_params, jsonParseString("{}"));
 862
 863         jsonObjectSetKey(
 864                 jsonObjectGetIndex(fake_params, 0),
 865                 osrfHashGet(meta, "primarykey"),
 866                 jsonParseString(id)
 867         );
 868
 869         if (order_hash) jsonObjectPush(fake_params, jsonObjectClone(order_hash) );
 870
 871         jsonObject* list = doSearch( ctx,meta, fake_params, err);
 872
 873         if(*err) {
 874                 jsonObjectFree( fake_params );
 875                 return jsonNULL;
 876         }
 877
 878         obj = jsonObjectClone( jsonObjectGetIndex(list, 0) );
 879
 880         jsonObjectFree( list );
 881         jsonObjectFree( fake_params );
 882
 883         return obj;
 884 }
 885
 886 char* jsonNumberToDBString ( osrfHash* field, jsonObject* value ) {
 887         growing_buffer* val_buf = buffer_init(32);
 888
 889         if ( !strncmp(osrfHashGet(field, "datatype"), "INT", 3) ) {
 890                 if (value->type == JSON_NUMBER) buffer_fadd( val_buf, "%ld", (long)jsonObjectGetNumber(value) );
 891                 else buffer_fadd( val_buf, "%ld", atol(jsonObjectToSimpleString(value)) );
 892
 893         } else if ( !strcmp(osrfHashGet(field, "datatype"), "NUMERIC") ) {
 894                 if (value->type == JSON_NUMBER) buffer_fadd( val_buf, "%f",  jsonObjectGetNumber(value) );
 895                 else buffer_fadd( val_buf, "%f", atof(jsonObjectToSimpleString(value)) );
 896         }
 897
 898         char* pred = buffer_data(val_buf);
 899         buffer_free(val_buf);
 900
 901         return pred;
 902 }
 903
 904 char* searchINPredicate (osrfHash* field, jsonObject* node) {
 905         growing_buffer* sql_buf = buffer_init(32);
 906
 907         buffer_fadd(
 908                 sql_buf,
 909                 "%s IN (",
 910                 osrfHashGet(field, "name")
 911         );
 912
 913         int in_item_index = 0;
 914         int in_item_first = 1;
 915         jsonObject* in_item;
 916         while ( (in_item = jsonObjectGetIndex(node, in_item_index++)) ) {
 917
 918                 if (in_item_first)
 919                         in_item_first = 0;
 920                 else
 921                         buffer_add(sql_buf, ", ");
 922
 923                 if ( !strcmp(osrfHashGet(field, "primitive"), "number") ) {
 924                         char* val = jsonNumberToDBString( field, in_item );
 925                         buffer_fadd( sql_buf, "%s", val );
 926                         free(val);
 927
 928                 } else {
 929                         char* key_string = jsonObjectToSimpleString(in_item);
 930                         if ( dbi_conn_quote_string(dbhandle, &key_string) ) {
 931                                 buffer_fadd( sql_buf, "%s", key_string );
 932                                 free(key_string);
 933                         } else {
 934                                 osrfLogError(OSRF_LOG_MARK, "%s: Error quoting key string [%s]", MODULENAME, key_string);
 935                                 free(key_string);
 936                                 buffer_free(sql_buf);
 937                                 return NULL;
 938                         }
 939                 }
 940         }
 941
 942         buffer_add(
 943                 sql_buf,
 944                 ")"
 945         );
 946
 947         char* pred = buffer_data(sql_buf);
 948         buffer_free(sql_buf);
 949
 950         return pred;
 951 }
 952
 953 char* searchValueTransform( jsonObject* array ) {
 954         growing_buffer* sql_buf = buffer_init(32);
 955
 956         char* val = NULL;
 957         int func_item_index = 0;
 958         int func_item_first = 2;
 959         jsonObject* func_item;
 960         while ( (func_item = jsonObjectGetIndex(array, func_item_index++)) ) {
 961
 962                 val = jsonObjectToSimpleString(func_item);
 963
 964                 if (func_item_first == 2) {
 965                         buffer_fadd(sql_buf, "%s( ", val);
 966                         free(val);
 967                         func_item_first--;
 968                         continue;
 969                 }
 970
 971                 if (func_item_first)
 972                         func_item_first--;
 973                 else
 974                         buffer_add(sql_buf, ", ");
 975
 976                 if ( dbi_conn_quote_string(dbhandle, &val) ) {
 977                         buffer_fadd( sql_buf, "%s", val );
 978                         free(val);
 979                 } else {
 980                         osrfLogError(OSRF_LOG_MARK, "%s: Error quoting key string [%s]", MODULENAME, val);
 981                         free(val);
 982                         buffer_free(sql_buf);
 983                         return NULL;
 984                 }
 985         }
 986
 987         buffer_add(
 988                 sql_buf,
 989                 " )"
 990         );
 991
 992         char* pred = buffer_data(sql_buf);
 993         buffer_free(sql_buf);
 994
 995         return pred;
 996 }
 997
 998 char* searchFunctionPredicate (osrfHash* field, jsonObjectNode* node) {
 999         growing_buffer* sql_buf = buffer_init(32);
1000
1001         char* val = searchValueTransform(node->item);
1002
1003         buffer_fadd(
1004                 sql_buf,
1005                 "%s %s %s",
1006                 osrfHashGet(field, "name"),
1007                 node->key,
1008                 val
1009         );
1010
1011         char* pred = buffer_data(sql_buf);
1012         buffer_free(sql_buf);
1013         free(val);
1014
1015         return pred;
1016 }
1017
1018 char* searchFieldTransformPredicate (osrfHash* field, jsonObjectNode* node) {
1019         growing_buffer* sql_buf = buffer_init(32);
1020
1021         char* field_transform = jsonObjectToSimpleString( jsonObjectGetKey( node->item, "transform" ) );
1022         char* value = NULL;
1023
1024         if (jsonObjectGetKey( node->item, "value" )->type == JSON_ARRAY) {
1025                 value = searchValueTransform(jsonObjectGetKey( node->item, "value" ));
1026         } else if (jsonObjectGetKey( node->item, "value" )->type != JSON_NULL) {
1027                 if ( !strcmp(osrfHashGet(field, "primitive"), "number") ) {
1028                         value = jsonNumberToDBString( field, jsonObjectGetKey( node->item, "value" ) );
1029                 } else {
1030                         value = jsonObjectToSimpleString(jsonObjectGetKey( node->item, "value" ));
1031                         if ( !dbi_conn_quote_string(dbhandle, &value) ) {
1032                                 osrfLogError(OSRF_LOG_MARK, "%s: Error quoting key string [%s]", MODULENAME, value);
1033                                 free(value);
1034                                 return NULL;
1035                         }
1036                 }
1037         }
1038
1039         buffer_fadd(
1040                 sql_buf,
1041                 "%s(%s) %s %s",
1042                 field_transform,
1043                 osrfHashGet(field, "name"),
1044                 node->key,
1045                 value
1046         );
1047
1048         char* pred = buffer_data(sql_buf);
1049         buffer_free(sql_buf);
1050
1051         return pred;
1052 }
1053
1054 char* searchSimplePredicate (const char* orig_op, osrfHash* field, jsonObject* node) {
1055
1056         char* val = NULL;
1057
1058         if (node->type != JSON_NULL) {
1059                 if ( !strcmp(osrfHashGet(field, "primitive"), "number") ) {
1060                         val = jsonNumberToDBString( field, node );
1061                 } else {
1062                         val = jsonObjectToSimpleString(node);
1063                 }
1064         }
1065
1066         char* pred = searchWriteSimplePredicate( field, osrfHashGet(field, "name"), orig_op, val );
1067
1068         if (val) free(val);
1069
1070         return pred;
1071 }
1072
1073 char* searchWriteSimplePredicate ( osrfHash* field, const char* left, const char* orig_op, const char* right ) {
1074
1075         char* val = NULL;
1076         char* op = NULL;
1077         if (right == NULL) {
1078                 val = strdup("NULL");
1079
1080                 if (strcmp( orig_op, "=" ))
1081                         op = strdup("IS NOT");
1082                 else
1083                         op = strdup("IS");
1084
1085         } else if ( !strcmp(osrfHashGet(field, "primitive"), "number") ) {
1086                 val = strdup(right);
1087                 op = strdup(orig_op);
1088
1089         } else {
1090                 val = strdup(right);
1091                 if ( !dbi_conn_quote_string(dbhandle, &val) ) {
1092                         osrfLogError(OSRF_LOG_MARK, "%s: Error quoting key string [%s]", MODULENAME, val);
1093                         free(val);
1094                         return NULL;
1095                 }
1096                 op = strdup(orig_op);
1097         }
1098
1099         growing_buffer* sql_buf = buffer_init(16);
1100         buffer_fadd( sql_buf, "%s %s %s", left, op, val );
1101         free(val);
1102         free(op);
1103
1104         char* pred = buffer_data(sql_buf);
1105         buffer_free(sql_buf);
1106
1107         return pred;
1108
1109 }
1110
1111 char* searchBETWEENPredicate (osrfHash* field, jsonObject* node) {
1112
1113         char* x_string;
1114         char* y_string;
1115
1116         if ( !strcmp(osrfHashGet(field, "primitive"), "number") ) {
1117                 x_string = jsonNumberToDBString(field, jsonObjectGetIndex(node,0));
1118                 y_string = jsonNumberToDBString(field, jsonObjectGetIndex(node,1));
1119
1120         } else {
1121                 x_string = jsonObjectToSimpleString(jsonObjectGetIndex(node,0));
1122                 y_string = jsonObjectToSimpleString(jsonObjectGetIndex(node,1));
1123                 if ( !(dbi_conn_quote_string(dbhandle, &x_string) && dbi_conn_quote_string(dbhandle, &y_string)) ) {
1124                         osrfLogError(OSRF_LOG_MARK, "%s: Error quoting key strings [%s] and [%s]", MODULENAME, x_string, y_string);
1125                         free(x_string);
1126                         free(y_string);
1127                         return NULL;
1128                 }
1129         }
1130
1131         growing_buffer* sql_buf = buffer_init(32);
1132         buffer_fadd( sql_buf, "%s BETWEEN %s AND %s", osrfHashGet(field, "name"), x_string, y_string );
1133         free(x_string);
1134         free(y_string);
1135
1136         char* pred = buffer_data(sql_buf);
1137         buffer_free(sql_buf);
1138
1139         return pred;
1140 }
1141
1142 char* searchPredicate ( osrfHash* field, jsonObject* node ) {
1143
1144         char* pred = NULL;
1145         if (node->type == JSON_ARRAY) { // equality IN search
1146                 pred = searchINPredicate( field, node );
1147         } else if (node->type == JSON_HASH) { // non-equality search
1148                 jsonObjectNode* pred_node;
1149                 jsonObjectIterator* pred_itr = jsonNewObjectIterator( node );
1150                 while ( (pred_node = jsonObjectIteratorNext( pred_itr )) ) {
1151                         if ( !(strcasecmp( pred_node->key,"between" )) )
1152                                 pred = searchBETWEENPredicate( field, pred_node->item );
1153                         else if ( !(strcasecmp( pred_node->key,"in" )) )
1154                                 pred = searchINPredicate( field, pred_node->item );
1155                         else if ( pred_node->item->type == JSON_ARRAY )
1156                                 pred = searchFunctionPredicate( field, pred_node );
1157                         else if ( pred_node->item->type == JSON_HASH )
1158                                 pred = searchFieldTransformPredicate( field, pred_node );
1159                         else
1160                                 pred = searchSimplePredicate( pred_node->key, field, pred_node->item );
1161
1162                         break;
1163                 }
1164         } else if (node->type == JSON_NULL) { // IS NULL search
1165                 growing_buffer* _p = buffer_init(16);
1166                 buffer_fadd(
1167                         _p,
1168                         "%s IS NULL",
1169                         osrfHashGet(field, "name")
1170                 );
1171                 pred = buffer_data(_p);
1172                 buffer_free(_p);
1173         } else { // equality search
1174                 pred = searchSimplePredicate( "=", field, node );
1175         }
1176
1177         return pred;
1178
1179 }
1180
1181 jsonObject* doSearch(osrfMethodContext* ctx, osrfHash* meta, jsonObject* params, int* err ) {
1182
1183         // XXX for now...
1184         dbhandle = writehandle;
1185
1186         osrfHash* links = osrfHashGet(meta, "links");
1187         osrfHash* fields = osrfHashGet(meta, "fields");
1188         char* core_class = osrfHashGet(meta, "classname");
1189
1190         jsonObjectNode* node = NULL;
1191         jsonObjectNode* snode = NULL;
1192         jsonObject* _tmp;
1193         jsonObject* obj;
1194         jsonObject* search_hash = jsonObjectGetIndex(params, 0);
1195         jsonObject* order_hash = jsonObjectGetIndex(params, 1);
1196
1197         growing_buffer* sql_buf = buffer_init(128);
1198         buffer_add(sql_buf, "SELECT");
1199
1200         int first = 1;
1201         if ( (_tmp = jsonObjectGetKey( order_hash, "select" )) ) {
1202
1203                 jsonObjectIterator* class_itr = jsonNewObjectIterator( _tmp );
1204                 while ( (snode = jsonObjectIteratorNext( class_itr )) ) {
1205
1206                         osrfHash* idlClass = osrfHashGet( idl, snode->key );
1207                         if (!idlClass) continue;
1208                         char* cname = osrfHashGet(idlClass, "classname");
1209
1210                         jsonObjectIterator* select_itr = jsonNewObjectIterator( snode->item );
1211                         while ( (node = jsonObjectIteratorNext( select_itr )) ) {
1212                                 osrfHash* field = osrfHashGet( osrfHashGet( idlClass, "fields" ), jsonObjectToSimpleString(node->item) );
1213                                 char* fname = osrfHashGet(field, "name");
1214
1215                                 if (!field) continue;
1216
1217                                 if (first) {
1218                                         first = 0;
1219                                 } else {
1220                                         buffer_add(sql_buf, ",");
1221                                 }
1222
1223                                 buffer_fadd(sql_buf, " \"%s\".%s", cname, fname, cname, fname);
1224                         }
1225                 }
1226         } else {
1227                 buffer_add(sql_buf, " *");
1228         }
1229
1230         buffer_fadd(sql_buf, " FROM %s AS \"%s\" WHERE ", osrfHashGet(meta, "tablename"), core_class );
1231
1232
1233         char* pred;
1234         first = 1;
1235         jsonObjectIterator* search_itr = jsonNewObjectIterator( search_hash );
1236         while ( (node = jsonObjectIteratorNext( search_itr )) ) {
1237                 osrfHash* field = osrfHashGet( fields, node->key );
1238
1239                 if (!field) continue;
1240
1241                 if (first) {
1242                         first = 0;
1243                 } else {
1244                         buffer_add(sql_buf, " AND ");
1245                 }
1246
1247                 pred = searchPredicate( field, node->item);
1248                 buffer_fadd( sql_buf, "%s", pred );
1249                 free(pred);
1250         }
1251
1252         jsonObjectIteratorFree(search_itr);
1253
1254         if (order_hash) {
1255                 char* string;
1256                 if ( (_tmp = jsonObjectGetKey( jsonObjectGetKey( order_hash, "order_by" ), core_class ) ) ){
1257                         string = jsonObjectToSimpleString(_tmp);
1258                         buffer_fadd(
1259                                 sql_buf,
1260                                 " ORDER BY %s",
1261                                 string
1262                         );
1263                         free(string);
1264                 }
1265
1266                 if ( (_tmp = jsonObjectGetKey( order_hash, "limit" )) ){
1267                         string = jsonObjectToSimpleString(_tmp);
1268                         buffer_fadd(
1269                                 sql_buf,
1270                                 " LIMIT %d",
1271                                 atoi(string)
1272                         );
1273                         free(string);
1274                 }
1275
1276                 _tmp = jsonObjectGetKey( order_hash, "offset" );
1277                 if (_tmp) {
1278                         string = jsonObjectToSimpleString(_tmp);
1279                         buffer_fadd(
1280                                 sql_buf,
1281                                 " OFFSET %d",
1282                                 atoi(string)
1283                         );
1284                         free(string);
1285                 }
1286         }
1287
1288         buffer_add(sql_buf, ";");
1289
1290         char* sql = buffer_data(sql_buf);
1291         buffer_free(sql_buf);
1292
1293         osrfLogDebug(OSRF_LOG_MARK, "%s SQL =  %s", MODULENAME, sql);
1294         dbi_result result = dbi_conn_query(dbhandle, sql);
1295
1296         jsonObject* res_list = jsonParseString("[]");
1297         if(result) {
1298                 osrfLogDebug(OSRF_LOG_MARK, "Query returned with no errors");
1299
1300                 if (dbi_result_first_row(result)) {
1301                         /* JSONify the result */
1302                         osrfLogDebug(OSRF_LOG_MARK, "Query returned at least one row");
1303                         do {
1304                                 obj = oilsMakeJSONFromResult( result, meta );
1305                                 jsonObjectPush(res_list, obj);
1306                         } while (dbi_result_next_row(result));
1307                 } else {
1308                         osrfLogDebug(OSRF_LOG_MARK, "%s returned no results for query %s", MODULENAME, sql);
1309                 }
1310
1311                 /* clean up the query */
1312                 dbi_result_free(result);
1313
1314         } else {
1315                 osrfLogError(OSRF_LOG_MARK, "%s: Error retrieving %s with query [%s]", MODULENAME, osrfHashGet(meta, "fieldmapper"), sql);
1316                 osrfAppSessionStatus(
1317                         ctx->session,
1318                         OSRF_STATUS_INTERNALSERVERERROR,
1319                         "osrfMethodException",
1320                         ctx->request,
1321                         "Severe query error -- see error log for more details"
1322                 );
1323                 *err = -1;
1324                 free(sql);
1325                 jsonObjectFree(res_list);
1326                 return jsonNULL;
1327
1328         }
1329
1330         free(sql);
1331
1332         if (res_list->size && order_hash) {
1333                 _tmp = jsonObjectGetKey( order_hash, "flesh" );
1334                 if (_tmp) {
1335                         int x = (int)jsonObjectGetNumber(_tmp);
1336
1337                         jsonObject* flesh_blob = NULL;
1338                         if ((flesh_blob = jsonObjectGetKey( order_hash, "flesh_fields" )) && x > 0) {
1339
1340                                 flesh_blob = jsonObjectClone( flesh_blob );
1341                                 jsonObject* flesh_fields = jsonObjectGetKey( flesh_blob, core_class );
1342
1343                                 osrfStringArray* link_fields = NULL;
1344
1345                                 if (flesh_fields) {
1346                                         if (flesh_fields->size == 1) {
1347                                                 char* _t = jsonObjectToSimpleString( jsonObjectGetIndex( flesh_fields, 0 ) );
1348                                                 if (!strcmp(_t,"*")) link_fields = osrfHashKeys( links );
1349                                                 free(_t);
1350                                         }
1351
1352                                         if (!link_fields) {
1353                                                 jsonObjectNode* _f;
1354                                                 link_fields = osrfNewStringArray(1);
1355                                                 jsonObjectIterator* _i = jsonNewObjectIterator( flesh_fields );
1356                                                 while ((_f = jsonObjectIteratorNext( _i ))) {
1357                                                         osrfStringArrayAdd( link_fields, jsonObjectToSimpleString( _f->item ) );
1358                                                 }
1359                                         }
1360                                 }
1361
1362                                 jsonObjectNode* cur;
1363                                 jsonObjectIterator* itr = jsonNewObjectIterator( res_list );
1364                                 while ((cur = jsonObjectIteratorNext( itr ))) {
1365
1366                                         int i = 0;
1367                                         char* link_field;
1368
1369                                         while ( (link_field = osrfStringArrayGetString(link_fields, i++)) ) {
1370
1371                                                 osrfLogDebug(OSRF_LOG_MARK, "Starting to flesh %s", link_field);
1372
1373                                                 osrfHash* kid_link = osrfHashGet(links, link_field);
1374                                                 if (!kid_link) continue;
1375
1376                                                 osrfHash* field = osrfHashGet(fields, link_field);
1377                                                 if (!field) continue;
1378
1379                                                 osrfHash* value_field = field;
1380
1381                                                 osrfHash* kid_idl = osrfHashGet(idl, osrfHashGet(kid_link, "class"));
1382                                                 if (!kid_idl) continue;
1383
1384                                                 if (!(strcmp( osrfHashGet(kid_link, "reltype"), "has_many" ))) { // has_many
1385                                                         value_field = osrfHashGet( fields, osrfHashGet(meta, "primarykey") );
1386                                                 }
1387
1388                                                 if (!(strcmp( osrfHashGet(kid_link, "reltype"), "might_have" ))) { // might_have
1389                                                         value_field = osrfHashGet( fields, osrfHashGet(meta, "primarykey") );
1390                                                 }
1391
1392                                                 osrfStringArray* link_map = osrfHashGet( kid_link, "map" );
1393
1394                                                 if (link_map->size > 0) {
1395                                                         jsonObject* _kid_key = jsonParseString("[]");
1396                                                         jsonObjectPush(
1397                                                                 _kid_key,
1398                                                                 jsonNewObject( osrfStringArrayGetString( link_map, 0 ) )
1399                                                         );
1400
1401                                                         jsonObjectSetKey(
1402                                                                 flesh_blob,
1403                                                                 osrfHashGet(kid_link, "class"),
1404                                                                 _kid_key
1405                                                         );
1406                                                 };
1407
1408                                                 osrfLogDebug(
1409                                                         OSRF_LOG_MARK,
1410                                                         "Link field: %s, remote class: %s, fkey: %s, reltype: %s",
1411                                                         osrfHashGet(kid_link, "field"),
1412                                                         osrfHashGet(kid_link, "class"),
1413                                                         osrfHashGet(kid_link, "key"),
1414                                                         osrfHashGet(kid_link, "reltype")
1415                                                 );
1416
1417                                                 jsonObject* fake_params = jsonParseString("[]");
1418                                                 jsonObjectPush(fake_params, jsonParseString("{}")); // search hash
1419                                                 jsonObjectPush(fake_params, jsonParseString("{}")); // order/flesh hash
1420
1421                                                 osrfLogDebug(OSRF_LOG_MARK, "Creating dummy params object...");
1422
1423                                                 char* search_key =
1424                                                 jsonObjectToSimpleString(
1425                                                         jsonObjectGetIndex(
1426                                                                 cur->item,
1427                                                                 atoi( osrfHashGet(value_field, "array_position") )
1428                                                         )
1429                                                 );
1430
1431                                                 if (!search_key) {
1432                                                         osrfLogDebug(OSRF_LOG_MARK, "Nothing to search for!");
1433                                                         continue;
1434                                                 }
1435
1436                                                 jsonObjectSetKey(
1437                                                         jsonObjectGetIndex(fake_params, 0),
1438                                                         osrfHashGet(kid_link, "key"),
1439                                                         jsonNewObject( search_key )
1440                                                 );
1441
1442                                                 free(search_key);
1443
1444
1445                                                 jsonObjectSetKey(
1446                                                         jsonObjectGetIndex(fake_params, 1),
1447                                                         "flesh",
1448                                                         jsonNewNumberObject( (double)(x - 1 + link_map->size) )
1449                                                 );
1450
1451                                                 if (flesh_blob)
1452                                                         jsonObjectSetKey( jsonObjectGetIndex(fake_params, 1), "flesh_fields", jsonObjectClone(flesh_blob) );
1453
1454                                                 if (jsonObjectGetKey(order_hash, "order_by")) {
1455                                                         jsonObjectSetKey(
1456                                                                 jsonObjectGetIndex(fake_params, 1),
1457                                                                 "order_by",
1458                                                                 jsonObjectClone(jsonObjectGetKey(order_hash, "order_by"))
1459                                                         );
1460                                                 }
1461
1462                                                 jsonObject* kids = doSearch(ctx, kid_idl, fake_params, err);
1463
1464                                                 if(*err) {
1465                                                         jsonObjectFree( fake_params );
1466                                                         osrfStringArrayFree(link_fields);
1467                                                         jsonObjectIteratorFree(itr);
1468                                                         jsonObjectFree(res_list);
1469                                                         return jsonNULL;
1470                                                 }
1471
1472                                                 osrfLogDebug(OSRF_LOG_MARK, "Search for %s return %d linked objects", osrfHashGet(kid_link, "class"), kids->size);
1473
1474                                                 jsonObject* X = NULL;
1475                                                 if ( link_map->size > 0 && kids->size > 0 ) {
1476                                                         X = kids;
1477                                                         kids = jsonParseString("[]");
1478
1479                                                         jsonObjectNode* _k_node;
1480                                                         jsonObjectIterator* _k = jsonNewObjectIterator( X );
1481                                                         while ((_k_node = jsonObjectIteratorNext( _k ))) {
1482                                                                 jsonObjectPush(
1483                                                                         kids,
1484                                                                         jsonObjectClone(
1485                                                                                 jsonObjectGetIndex(
1486                                                                                         _k_node->item,
1487                                                                                         (unsigned long)atoi(
1488                                                                                                 osrfHashGet(
1489                                                                                                         osrfHashGet(
1490                                                                                                                 osrfHashGet(
1491                                                                                                                         osrfHashGet(
1492                                                                                                                                 idl,
1493                                                                                                                                 osrfHashGet(kid_link, "class")
1494                                                                                                                         ),
1495                                                                                                                         "fields"
1496                                                                                                                 ),
1497                                                                                                                 osrfStringArrayGetString( link_map, 0 )
1498                                                                                                         ),
1499                                                                                                         "array_position"
1500                                                                                                 )
1501                                                                                         )
1502                                                                                 )
1503                                                                         )
1504                                                                 );
1505                                                         }
1506                                                 }
1507
1508                                                 if (!(strcmp( osrfHashGet(kid_link, "reltype"), "has_a" ))) {
1509                                                         osrfLogDebug(OSRF_LOG_MARK, "Storing fleshed objects in %s", osrfHashGet(kid_link, "field"));
1510                                                         jsonObjectSetIndex(
1511                                                                 cur->item,
1512                                                                 (unsigned long)atoi( osrfHashGet( field, "array_position" ) ),
1513                                                                 jsonObjectClone( jsonObjectGetIndex(kids, 0) )
1514                                                         );
1515                                                 }
1516
1517                                                 if (!(strcmp( osrfHashGet(kid_link, "reltype"), "has_many" ))) { // has_many
1518                                                         osrfLogDebug(OSRF_LOG_MARK, "Storing fleshed objects in %s", osrfHashGet(kid_link, "field"));
1519                                                         jsonObjectSetIndex(
1520                                                                 cur->item,
1521                                                                 (unsigned long)atoi( osrfHashGet( field, "array_position" ) ),
1522                                                                 jsonObjectClone( kids )
1523                                                         );
1524                                                 }
1525
1526                                                 if (X) {
1527                                                         jsonObjectFree(kids);
1528                                                         kids = X;
1529                                                 }
1530
1531                                                 jsonObjectFree( kids );
1532                                                 jsonObjectFree( fake_params );
1533
1534                                                 osrfLogDebug(OSRF_LOG_MARK, "Fleshing of %s complete", osrfHashGet(kid_link, "field"));
1535                                                 osrfLogDebug(OSRF_LOG_MARK, "%s", jsonObjectToJSON(cur->item));
1536
1537                                         }
1538                                 }
1539                                 jsonObjectFree( flesh_blob );
1540                                 osrfStringArrayFree(link_fields);
1541                                 jsonObjectIteratorFree(itr);
1542                         }
1543                 }
1544         }
1545
1546         return res_list;
1547 }
1548
1549
1550 jsonObject* doUpdate(osrfMethodContext* ctx, int* err ) {
1551
1552         osrfHash* meta = osrfHashGet( (osrfHash*) ctx->method->userData, "class" );
1553         jsonObject* target = jsonObjectGetIndex(ctx->params, 0);
1554
1555         if (!verifyObjectClass(ctx, target)) {
1556                 *err = -1;
1557                 return jsonNULL;
1558         }
1559
1560         if (!osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )) {
1561                 osrfAppSessionStatus(
1562                         ctx->session,
1563                         OSRF_STATUS_BADREQUEST,
1564                         "osrfMethodException",
1565                         ctx->request,
1566                         "No active transaction -- required for UPDATE"
1567                 );
1568                 *err = -1;
1569                 return jsonNULL;
1570         }
1571
1572         dbhandle = writehandle;
1573
1574         char* pkey = osrfHashGet(meta, "primarykey");
1575         osrfHash* fields = osrfHashGet(meta, "fields");
1576
1577         char* id =
1578                 jsonObjectToSimpleString(
1579                         jsonObjectGetIndex(
1580                                 target,
1581                                 atoi( osrfHashGet( osrfHashGet( fields, pkey ), "array_position" ) )
1582                         )
1583                 );
1584
1585         osrfLogDebug(
1586                 OSRF_LOG_MARK,
1587                 "%s updating %s object with %s = %s",
1588                 MODULENAME,
1589                 osrfHashGet(meta, "fieldmapper"),
1590                 pkey,
1591                 id
1592         );
1593
1594         growing_buffer* sql = buffer_init(128);
1595         buffer_fadd(sql,"UPDATE %s SET", osrfHashGet(meta, "tablename"));
1596
1597         int i = 0;
1598         int first = 1;
1599         char* field_name;
1600         osrfStringArray* field_list = osrfHashKeys( fields );
1601         while ( (field_name = osrfStringArrayGetString(field_list, i++)) ) {
1602
1603                 osrfHash* field = osrfHashGet( fields, field_name );
1604
1605                 if(!( strcmp( field_name, pkey ) )) continue;
1606                 if(!( strcmp( osrfHashGet(osrfHashGet(fields,field_name), "virtual"), "true" ) )) continue;
1607
1608                 int pos = atoi(osrfHashGet(field, "array_position"));
1609                 char* value = jsonObjectToSimpleString( jsonObjectGetIndex( target, pos ) );
1610
1611                 osrfLogDebug( OSRF_LOG_MARK, "Updating %s object with %s = %s", osrfHashGet(meta, "fieldmapper"), field_name, value);
1612
1613                 if (!jsonObjectGetIndex(target, pos) || jsonObjectGetIndex(target, pos)->type == JSON_NULL) {
1614                         if ( !(!( strcmp( osrfHashGet(meta, "classname"), "au" ) ) && !( strcmp( field_name, "passwd" ) )) ) { // arg at the special case!
1615                                 if (first) first = 0;
1616                                 else buffer_add(sql, ",");
1617                                 buffer_fadd( sql, " %s = NULL", field_name );
1618                         }
1619
1620                 } else if ( !strcmp(osrfHashGet(field, "primitive"), "number") ) {
1621                         if (first) first = 0;
1622                         else buffer_add(sql, ",");
1623
1624                         if ( !strncmp(osrfHashGet(field, "datatype"), "INT", (size_t)3) ) {
1625                                 buffer_fadd( sql, " %s = %ld", field_name, atol(value) );
1626                         } else if ( !strcmp(osrfHashGet(field, "datatype"), "NUMERIC") ) {
1627                                 buffer_fadd( sql, " %s = %f", field_name, atof(value) );
1628                         }
1629
1630                         osrfLogDebug( OSRF_LOG_MARK, "%s is of type %s", field_name, osrfHashGet(field, "datatype"));
1631
1632                 } else {
1633                         if ( dbi_conn_quote_string(dbhandle, &value) ) {
1634                                 if (first) first = 0;
1635                                 else buffer_add(sql, ",");
1636                                 buffer_fadd( sql, " %s = %s", field_name, value );
1637
1638                         } else {
1639                                 osrfLogError(OSRF_LOG_MARK, "%s: Error quoting string [%s]", MODULENAME, value);
1640                                 osrfAppSessionStatus(
1641                                         ctx->session,
1642                                         OSRF_STATUS_INTERNALSERVERERROR,
1643                                         "osrfMethodException",
1644                                         ctx->request,
1645                                         "Error quoting string -- please see the error log for more details"
1646                                 );
1647                                 free(value);
1648                                 free(id);
1649                                 buffer_free(sql);
1650                                 *err = -1;
1651                                 return jsonNULL;
1652                         }
1653                 }
1654
1655                 free(value);
1656
1657         }
1658
1659         jsonObject* obj = jsonParseString(id);
1660
1661         if ( strcmp( osrfHashGet( osrfHashGet( osrfHashGet(meta, "fields"), pkey ), "primitive" ), "number" ) )
1662                 dbi_conn_quote_string(dbhandle, &id);
1663
1664         buffer_fadd( sql, " WHERE %s = %s;", pkey, id );
1665
1666         char* query = buffer_data(sql);
1667         buffer_free(sql);
1668
1669         osrfLogDebug(OSRF_LOG_MARK, "%s: Update SQL [%s]", MODULENAME, query);
1670
1671         dbi_result result = dbi_conn_query(dbhandle, query);
1672         free(query);
1673
1674         if (!result) {
1675                 jsonObjectFree(obj);
1676                 obj = jsonNewObject(NULL);
1677                 osrfLogError(
1678                         OSRF_LOG_MARK,
1679                         "%s ERROR updating %s object with %s = %s",
1680                         MODULENAME,
1681                         osrfHashGet(meta, "fieldmapper"),
1682                         pkey,
1683                         id
1684                 );
1685         }
1686
1687         free(id);
1688
1689         return obj;
1690 }
1691
1692 jsonObject* doDelete(osrfMethodContext* ctx, int* err ) {
1693
1694         osrfHash* meta = osrfHashGet( (osrfHash*) ctx->method->userData, "class" );
1695
1696         if (!osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )) {
1697                 osrfAppSessionStatus(
1698                         ctx->session,
1699                         OSRF_STATUS_BADREQUEST,
1700                         "osrfMethodException",
1701                         ctx->request,
1702                         "No active transaction -- required for DELETE"
1703                 );
1704                 *err = -1;
1705                 return jsonNULL;
1706         }
1707
1708         dbhandle = writehandle;
1709
1710         jsonObject* obj;
1711
1712         char* pkey = osrfHashGet(meta, "primarykey");
1713
1714         char* id;
1715         if (jsonObjectGetIndex(ctx->params, 0)->classname) {
1716                 if (!verifyObjectClass(ctx, jsonObjectGetIndex( ctx->params, 0 ))) {
1717                         *err = -1;
1718                         return jsonNULL;
1719                 }
1720
1721                 id = jsonObjectToSimpleString(
1722                         jsonObjectGetIndex(
1723                                 jsonObjectGetIndex(ctx->params, 0),
1724                                 atoi( osrfHashGet( osrfHashGet( osrfHashGet(meta, "fields"), pkey ), "array_position") )
1725                         )
1726                 );
1727         } else {
1728                 id = jsonObjectToSimpleString(jsonObjectGetIndex(ctx->params, 0));
1729         }
1730
1731         osrfLogDebug(
1732                 OSRF_LOG_MARK,
1733                 "%s deleting %s object with %s = %s",
1734                 MODULENAME,
1735                 osrfHashGet(meta, "fieldmapper"),
1736                 pkey,
1737                 id
1738         );
1739
1740         obj = jsonParseString(id);
1741
1742         if ( strcmp( osrfHashGet( osrfHashGet( osrfHashGet(meta, "fields"), pkey ), "primitive" ), "number" ) )
1743                 dbi_conn_quote_string(writehandle, &id);
1744
1745         dbi_result result = dbi_conn_queryf(writehandle, "DELETE FROM %s WHERE %s = %s;", osrfHashGet(meta, "tablename"), pkey, id);
1746
1747         if (!result) {
1748                 jsonObjectFree(obj);
1749                 obj = jsonNewObject(NULL);
1750                 osrfLogError(
1751                         OSRF_LOG_MARK,
1752                         "%s ERROR deleting %s object with %s = %s",
1753                         MODULENAME,
1754                         osrfHashGet(meta, "fieldmapper"),
1755                         pkey,
1756                         id
1757                 );
1758         }
1759
1760         free(id);
1761
1762         return obj;
1763
1764 }
1765
1766
1767 jsonObject* oilsMakeJSONFromResult( dbi_result result, osrfHash* meta) {
1768         if(!(result && meta)) return jsonNULL;
1769
1770         jsonObject* object = jsonParseString("[]");
1771         jsonObjectSetClass(object, osrfHashGet(meta, "classname"));
1772
1773         osrfHash* fields = osrfHashGet(meta, "fields");
1774
1775         osrfLogDebug(OSRF_LOG_MARK, "Setting object class to %s ", object->classname);
1776
1777         osrfHash* _f;
1778         time_t _tmp_dt;
1779         char dt_string[256];
1780         struct tm gmdt;
1781
1782         int fmIndex;
1783         int columnIndex = 1;
1784         int attr;
1785         unsigned short type;
1786         const char* columnName;
1787
1788         /* cycle through the column list */
1789         while( (columnName = dbi_result_get_field_name(result, columnIndex++)) ) {
1790
1791                 osrfLogDebug(OSRF_LOG_MARK, "Looking for column named [%s]...", (char*)columnName);
1792
1793                 fmIndex = -1; // reset the position
1794
1795                 /* determine the field type and storage attributes */
1796                 type = dbi_result_get_field_type(result, columnName);
1797                 attr = dbi_result_get_field_attribs(result, columnName);
1798
1799                 /* fetch the fieldmapper index */
1800                 if( (_f = osrfHashGet(fields, (char*)columnName)) ) {
1801                         char* virt = (char*)osrfHashGet(_f, "virtual");
1802                         char* pos = (char*)osrfHashGet(_f, "array_position");
1803
1804                         if ( !virt || !pos || !(strcmp( virt, "true" )) ) continue;
1805
1806                         fmIndex = atoi( pos );
1807                         osrfLogDebug(OSRF_LOG_MARK, "... Found column at position [%s]...", pos);
1808                 } else {
1809                         continue;
1810                 }
1811
1812                 if (dbi_result_field_is_null(result, columnName)) {
1813                         jsonObjectSetIndex( object, fmIndex, jsonNewObject(NULL) );
1814                 } else {
1815
1816                         switch( type ) {
1817
1818                                 case DBI_TYPE_INTEGER :
1819
1820                                         if( attr & DBI_INTEGER_SIZE8 )
1821                                                 jsonObjectSetIndex( object, fmIndex,
1822                                                         jsonNewNumberObject(dbi_result_get_longlong(result, columnName)));
1823                                         else
1824                                                 jsonObjectSetIndex( object, fmIndex,
1825                                                         jsonNewNumberObject(dbi_result_get_long(result, columnName)));
1826
1827                                         break;
1828
1829                                 case DBI_TYPE_DECIMAL :
1830                                         jsonObjectSetIndex( object, fmIndex,
1831                                                         jsonNewNumberObject(dbi_result_get_double(result, columnName)));
1832                                         break;
1833
1834                                 case DBI_TYPE_STRING :
1835
1836
1837                                         jsonObjectSetIndex(
1838                                                 object,
1839                                                 fmIndex,
1840                                                 jsonNewObject( dbi_result_get_string(result, columnName) )
1841                                         );
1842
1843                                         break;
1844
1845                                 case DBI_TYPE_DATETIME :
1846
1847                                         memset(dt_string, '\0', 256);
1848                                         memset(&gmdt, '\0', sizeof(gmdt));
1849                                         memset(&_tmp_dt, '\0', sizeof(_tmp_dt));
1850
1851                                         _tmp_dt = dbi_result_get_datetime(result, columnName);
1852
1853                                         localtime_r( &_tmp_dt, &gmdt );
1854
1855                                         if (!(attr & DBI_DATETIME_DATE)) {
1856                                                 strftime(dt_string, 255, "%T", &gmdt);
1857                                         } else if (!(attr & DBI_DATETIME_TIME)) {
1858                                                 strftime(dt_string, 255, "%F", &gmdt);
1859                                         } else {
1860                                                 strftime(dt_string, 255, "%FT%T%z", &gmdt);
1861                                         }
1862
1863                                         jsonObjectSetIndex( object, fmIndex, jsonNewObject(dt_string) );
1864
1865                                         break;
1866
1867                                 case DBI_TYPE_BINARY :
1868                                         osrfLogError( OSRF_LOG_MARK,
1869                                                 "Can't do binary at column %s : index %d", columnName, columnIndex - 1);
1870                         }
1871                 }
1872         }
1873
1874         return object;
1875 }
1876