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 #ifndef MODULENAME
  17 #  define MODULENAME "open-ils.cstore"
  18 #endif
  19
  20 #define PERSIST_NS "http://open-ils.org/spec/opensrf/IDL/persistance/v1"
  21 #define OBJECT_NS "http://open-ils.org/spec/opensrf/IDL/objects/v1"
  22 #define BASE_NS "http://opensrf.org/spec/IDL/base/v1"
  23
  24 int osrfAppChildInit();
  25 int osrfAppInitialize();
  26
  27 int verifyObjectClass ( osrfMethodContext*, jsonObject* );
  28
  29 int beginTransaction ( osrfMethodContext* );
  30 int commitTransaction ( osrfMethodContext* );
  31 int rollbackTransaction ( osrfMethodContext* );
  32
  33 int setSavepoint ( osrfMethodContext* );
  34 int releaseSavepoint ( osrfMethodContext* );
  35 int rollbackSavepoint ( osrfMethodContext* );
  36
  37 int dispatchCRUDMethod ( osrfMethodContext* );
  38 jsonObject* doCreate ( osrfMethodContext*, int* );
  39 jsonObject* doRetrieve ( osrfMethodContext*, int* );
  40 jsonObject* doUpdate ( osrfMethodContext*, int* );
  41 jsonObject* doDelete ( osrfMethodContext*, int* );
  42 jsonObject* doSearch ( osrfMethodContext*, osrfHash*, jsonObject*, int* );
  43 jsonObject* oilsMakeJSONFromResult( dbi_result, osrfHash* );
  44
  45 char* searchWriteSimplePredicate ( osrfHash*, const char*, const char*, const char* );
  46 char* searchSimplePredicate ( const char*, osrfHash*, jsonObject* );
  47 char* searchFunctionPredicate ( osrfHash*, jsonObjectNode* );
  48 char* searchFieldTransform (osrfHash*, jsonObject*);
  49 char* searchFieldTransformPredicate ( osrfHash*, jsonObjectNode* );
  50 char* searchBETWEENPredicate ( osrfHash*, jsonObject* );
  51 char* searchINPredicate ( osrfHash*, jsonObject*, const char* );
  52 char* searchPredicate ( osrfHash*, jsonObject* );
  53 char* buildSELECT ( jsonObject*, jsonObject*, osrfHash*, osrfMethodContext* );
  54
  55 void userDataFree( void* );
  56 void sessionDataFree( char*, void* );
  57
  58 dbi_conn writehandle; /* our MASTER db connection */
  59 dbi_conn dbhandle; /* our CURRENT db connection */
  60 osrfHash readHandles;
  61 jsonObject* jsonNULL = NULL; //
  62
  63
  64 /* parse and store the IDL here */
  65 osrfHash* idl;
  66
  67 int osrfAppInitialize() {
  68         growing_buffer* method_name;
  69
  70         osrfLogInfo(OSRF_LOG_MARK, "Initializing the CStore Server...");
  71         osrfLogInfo(OSRF_LOG_MARK, "Finding XML file...");
  72
  73         char* idl_filename = osrf_settings_host_value("/apps/%s/app_settings/IDL", MODULENAME);
  74         osrfLogInfo(OSRF_LOG_MARK, "Found file:");
  75         osrfLogInfo(OSRF_LOG_MARK, idl_filename);
  76
  77         idl = oilsIDLInit( idl_filename );
  78
  79         if (!idl) {
  80                 osrfLogError(OSRF_LOG_MARK, "Problem loading the IDL.  Seacrest out!");
  81                 exit(1);
  82         }
  83
  84         // first we register all the transaction and savepoint methods
  85         method_name =  buffer_init(64);
  86         buffer_fadd(method_name, "%s.transaction.begin", MODULENAME);
  87         osrfAppRegisterMethod( MODULENAME, buffer_data(method_name), "beginTransaction", "", 0, 0 );
  88
  89         buffer_reset(method_name)
  90         buffer_fadd(method_name, "%s.transaction.commit", MODULENAME);
  91         osrfAppRegisterMethod( MODULENAME, buffer_data(method_name), "commitTransaction", "", 0, 0 );
  92
  93         buffer_reset(method_name)
  94         buffer_fadd(method_name, "%s.transaction.rollback", MODULENAME);
  95         osrfAppRegisterMethod( MODULENAME, buffer_data(method_name), "rollbackTransaction", "", 0, 0 );
  96
  97
  98         buffer_reset(method_name)
  99         buffer_fadd(method_name, "%s.savepoint.set", MODULENAME);
 100         osrfAppRegisterMethod( MODULENAME, buffer_data(method_name), "setSavepoint", "", 1, 0 );
 101
 102         buffer_reset(method_name)
 103         buffer_fadd(method_name, "%s.savepoint.release", MODULENAME);
 104         osrfAppRegisterMethod( MODULENAME, buffer_data(method_name), "releaseSavepoint", "", 1, 0 );
 105
 106         buffer_reset(method_name)
 107         buffer_fadd(method_name, "%s.savepoint.rollback", MODULENAME);
 108         osrfAppRegisterMethod( MODULENAME, buffer_data(method_name), "rollbackSavepoint", "", 1, 0 );
 109
 110         osrfStringArray* global_methods = osrfNewStringArray(6);
 111
 112         osrfStringArrayAdd( global_methods, "create" );
 113         osrfStringArrayAdd( global_methods, "retrieve" );
 114         osrfStringArrayAdd( global_methods, "update" );
 115         osrfStringArrayAdd( global_methods, "delete" );
 116         osrfStringArrayAdd( global_methods, "search" );
 117         osrfStringArrayAdd( global_methods, "id_list" );
 118
 119         int c_index = 0;
 120         char* classname;
 121         osrfStringArray* classes = osrfHashKeys( idl );
 122         osrfLogDebug(OSRF_LOG_MARK, "%d classes loaded", classes->size );
 123         osrfLogDebug(OSRF_LOG_MARK, "At least %d methods will be generated", classes->size * global_methods->size);
 124
 125         while ( (classname = osrfStringArrayGetString(classes, c_index++)) ) {
 126                 osrfLogInfo(OSRF_LOG_MARK, "Generating class methods for %s", classname);
 127
 128                 osrfHash* idlClass = osrfHashGet(idl, classname);
 129
 130                 if (!osrfStringArrayContains( osrfHashGet(idlClass, "controller"), MODULENAME )) {
 131                         osrfLogInfo(OSRF_LOG_MARK, "%s is not listed as a controller for %s, moving on", MODULENAME, classname);
 132                         continue;
 133                 }
 134
 135                 char* virt = osrfHashGet(idlClass, "virtual");
 136                 if (virt && !strcmp( virt, "true")) {
 137                         osrfLogDebug(OSRF_LOG_MARK, "Class %s is virtual, skipping", classname );
 138                         continue;
 139                 }
 140
 141                 osrfLogDebug(OSRF_LOG_MARK, "HERE");
 142
 143                 int i = 0;
 144                 char* method_type;
 145                 char* st_tmp;
 146                 char* _fm;
 147                 char* part;
 148                 osrfHash* method_meta;
 149                 while ( (method_type = osrfStringArrayGetString(global_methods, i++)) ) {
 150                         osrfLogDebug(OSRF_LOG_MARK, "Using files to build %s class methods for %s", method_type, classname);
 151
 152                         if (!osrfHashGet(idlClass, "fieldmapper")) continue;
 153
 154                         method_meta = osrfNewHash();
 155                         osrfHashSet(method_meta, idlClass, "class");
 156
 157                         _fm = strdup( (char*)osrfHashGet(idlClass, "fieldmapper") );
 158                         part = strtok_r(_fm, ":", &st_tmp);
 159
 160                         growing_buffer* method_name =  buffer_init(64);
 161                         buffer_fadd(method_name, "%s.direct.%s", MODULENAME, part);
 162
 163                         while ((part = strtok_r(NULL, ":", &st_tmp))) {
 164                                 buffer_fadd(method_name, ".%s", part);
 165                         }
 166                         buffer_fadd(method_name, ".%s", method_type);
 167
 168
 169                         char* method = buffer_data(method_name);
 170                         buffer_free(method_name);
 171                         free(_fm);
 172
 173                         osrfHashSet( method_meta, method, "methodname" );
 174                         osrfHashSet( method_meta, method_type, "methodtype" );
 175
 176                         int flags = 0;
 177                         if (!(strcmp( method_type, "search" )) || !(strcmp( method_type, "id_list" ))) {
 178                                 flags = flags | OSRF_METHOD_STREAMING;
 179                         }
 180
 181                         osrfAppRegisterExtendedMethod(
 182                                 MODULENAME,
 183                                 method,
 184                                 "dispatchCRUDMethod",
 185                                 "",
 186                                 1,
 187                                 flags,
 188                                 (void*)method_meta
 189                         );
 190                 }
 191         }
 192
 193         return 0;
 194 }
 195
 196 /**
 197  * Connects to the database
 198  */
 199 int osrfAppChildInit() {
 200
 201         osrfLogDebug(OSRF_LOG_MARK, "Attempting to initialize libdbi...");
 202         dbi_initialize(NULL);
 203         osrfLogDebug(OSRF_LOG_MARK, "... libdbi initialized.");
 204
 205         char* driver    = osrf_settings_host_value("/apps/%s/app_settings/driver", MODULENAME);
 206         char* user      = osrf_settings_host_value("/apps/%s/app_settings/database/user", MODULENAME);
 207         char* host      = osrf_settings_host_value("/apps/%s/app_settings/database/host", MODULENAME);
 208         char* port      = osrf_settings_host_value("/apps/%s/app_settings/database/port", MODULENAME);
 209         char* db        = osrf_settings_host_value("/apps/%s/app_settings/database/db", MODULENAME);
 210         char* pw        = osrf_settings_host_value("/apps/%s/app_settings/database/pw", MODULENAME);
 211
 212         osrfLogDebug(OSRF_LOG_MARK, "Attempting to load the database driver [%s]...", driver);
 213         writehandle = dbi_conn_new(driver);
 214
 215         if(!writehandle) {
 216                 osrfLogError(OSRF_LOG_MARK, "Error loading database driver [%s]", driver);
 217                 return -1;
 218         }
 219         osrfLogDebug(OSRF_LOG_MARK, "Database driver [%s] seems OK", driver);
 220
 221         osrfLogInfo(OSRF_LOG_MARK, "%s connecting to database.  host=%s, "
 222                 "port=%s, user=%s, pw=%s, db=%s", MODULENAME, host, port, user, pw, db );
 223
 224         if(host) dbi_conn_set_option(writehandle, "host", host );
 225         if(port) dbi_conn_set_option_numeric( writehandle, "port", atoi(port) );
 226         if(user) dbi_conn_set_option(writehandle, "username", user);
 227         if(pw) dbi_conn_set_option(writehandle, "password", pw );
 228         if(db) dbi_conn_set_option(writehandle, "dbname", db );
 229
 230         free(user);
 231         free(host);
 232         free(port);
 233         free(db);
 234         free(pw);
 235
 236         const char* err;
 237         if (dbi_conn_connect(writehandle) < 0) {
 238                 dbi_conn_error(writehandle, &err);
 239                 osrfLogError( OSRF_LOG_MARK, "Error connecting to database: %s", err);
 240                 return -1;
 241         }
 242
 243         osrfLogInfo(OSRF_LOG_MARK, "%s successfully connected to the database", MODULENAME);
 244
 245         int attr;
 246         unsigned short type;
 247         int i = 0;
 248         char* classname;
 249         osrfStringArray* classes = osrfHashKeys( idl );
 250
 251         while ( (classname = osrfStringArrayGetString(classes, i++)) ) {
 252                 osrfHash* class = osrfHashGet( idl, classname );
 253                 osrfHash* fields = osrfHashGet( class, "fields" );
 254
 255                 char* virt = osrfHashGet(class, "virtual");
 256                 if (virt && !strcmp( virt, "true")) {
 257                         osrfLogDebug(OSRF_LOG_MARK, "Class %s is virtual, skipping", classname );
 258                         continue;
 259                 }
 260
 261
 262                 growing_buffer* sql_buf = buffer_init(32);
 263                 buffer_fadd( sql_buf, "SELECT * FROM %s WHERE 1=0;", osrfHashGet(class, "tablename") );
 264
 265                 char* sql = buffer_data(sql_buf);
 266                 buffer_free(sql_buf);
 267                 osrfLogDebug(OSRF_LOG_MARK, "%s Investigatory SQL = %s", MODULENAME, sql);
 268
 269                 dbi_result result = dbi_conn_query(writehandle, sql);
 270                 free(sql);
 271
 272                 if (result) {
 273
 274                         int columnIndex = 1;
 275                         const char* columnName;
 276                         osrfHash* _f;
 277                         while( (columnName = dbi_result_get_field_name(result, columnIndex++)) ) {
 278
 279                                 osrfLogInternal(OSRF_LOG_MARK, "Looking for column named [%s]...", (char*)columnName);
 280
 281                                 /* fetch the fieldmapper index */
 282                                 if( (_f = osrfHashGet(fields, (char*)columnName)) ) {
 283
 284                                         osrfLogDebug(OSRF_LOG_MARK, "Found [%s] in IDL hash...", (char*)columnName);
 285
 286                                         /* determine the field type and storage attributes */
 287                                         type = dbi_result_get_field_type(result, columnName);
 288                                         attr = dbi_result_get_field_attribs(result, columnName);
 289
 290                                         switch( type ) {
 291
 292                                                 case DBI_TYPE_INTEGER :
 293
 294                                                         if ( !osrfHashGet(_f, "primitive") )
 295                                                                 osrfHashSet(_f,"number", "primitive");
 296
 297                                                         if( attr & DBI_INTEGER_SIZE8 )
 298                                                                 osrfHashSet(_f,"INT8", "datatype");
 299                                                         else
 300                                                                 osrfHashSet(_f,"INT", "datatype");
 301                                                         break;
 302
 303                                                 case DBI_TYPE_DECIMAL :
 304                                                         if ( !osrfHashGet(_f, "primitive") )
 305                                                                 osrfHashSet(_f,"number", "primitive");
 306
 307                                                         osrfHashSet(_f,"NUMERIC", "datatype");
 308                                                         break;
 309
 310                                                 case DBI_TYPE_STRING :
 311                                                         if ( !osrfHashGet(_f, "primitive") )
 312                                                                 osrfHashSet(_f,"string", "primitive");
 313                                                         osrfHashSet(_f,"TEXT", "datatype");
 314                                                         break;
 315
 316                                                 case DBI_TYPE_DATETIME :
 317                                                         if ( !osrfHashGet(_f, "primitive") )
 318                                                                 osrfHashSet(_f,"string", "primitive");
 319
 320                                                         osrfHashSet(_f,"TIMESTAMP", "datatype");
 321                                                         break;
 322
 323                                                 case DBI_TYPE_BINARY :
 324                                                         if ( !osrfHashGet(_f, "primitive") )
 325                                                                 osrfHashSet(_f,"string", "primitive");
 326
 327                                                         osrfHashSet(_f,"BYTEA", "datatype");
 328                                         }
 329
 330                                         osrfLogDebug(
 331                                                 OSRF_LOG_MARK,
 332                                                 "Setting [%s] to primitive [%s] and datatype [%s]...",
 333                                                 (char*)columnName,
 334                                                 osrfHashGet(_f, "primitive"),
 335                                                 osrfHashGet(_f, "datatype")
 336                                         );
 337                                 }
 338                         }
 339                         dbi_result_free(result);
 340                 } else {
 341                         osrfLogDebug(OSRF_LOG_MARK, "No data found for class [%s]...", (char*)classname);
 342                 }
 343         }
 344
 345         osrfStringArrayFree(classes);
 346
 347         return 0;
 348 }
 349
 350 void userDataFree( void* blob ) {
 351         osrfHashFree( (osrfHash*)blob );
 352         return;
 353 }
 354
 355 void sessionDataFree( char* key, void* item ) {
 356         if (!(strcmp(key,"xact_id"))) {
 357                 if (writehandle)
 358                         dbi_conn_query(writehandle, "ROLLBACK;");
 359                 free(item);
 360         }
 361
 362         return;
 363 }
 364
 365 int beginTransaction ( osrfMethodContext* ctx ) {
 366         OSRF_METHOD_VERIFY_CONTEXT(ctx);
 367
 368         dbi_result result = dbi_conn_query(writehandle, "START TRANSACTION;");
 369         if (!result) {
 370                 osrfLogError(OSRF_LOG_MARK, "%s: Error starting transaction", MODULENAME );
 371                 osrfAppSessionStatus( ctx->session, OSRF_STATUS_INTERNALSERVERERROR, "osrfMethodException", ctx->request, "Error starting transaction" );
 372                 return -1;
 373         } else {
 374                 jsonObject* ret = jsonNewObject(ctx->session->session_id);
 375                 osrfAppRespondComplete( ctx, ret );
 376                 jsonObjectFree(ret);
 377
 378                 if (!ctx->session->userData) {
 379                         ctx->session->userData = osrfNewHash();
 380                         ((osrfHash*)ctx->session->userData)->freeItem = &sessionDataFree;
 381                 }
 382
 383                 osrfHashSet( (osrfHash*)ctx->session->userData, strdup( ctx->session->session_id ), "xact_id" );
 384                 ctx->session->userDataFree = &userDataFree;
 385
 386         }
 387         return 0;
 388 }
 389
 390 int setSavepoint ( osrfMethodContext* ctx ) {
 391         OSRF_METHOD_VERIFY_CONTEXT(ctx);
 392
 393         char* spName = jsonObjectToSimpleString(jsonObjectGetIndex(ctx->params, 0));
 394
 395         if (!osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )) {
 396                 osrfAppSessionStatus(
 397                         ctx->session,
 398                         OSRF_STATUS_INTERNALSERVERERROR,
 399                         "osrfMethodException",
 400                         ctx->request,
 401                         "No active transaction -- required for savepoints"
 402                 );
 403                 return -1;
 404         }
 405
 406         dbi_result result = dbi_conn_queryf(writehandle, "SAVEPOINT \"%s\";", spName);
 407         if (!result) {
 408                 osrfLogError(
 409                         OSRF_LOG_MARK,
 410                         "%s: Error creating savepoint %s in transaction %s",
 411                         MODULENAME,
 412                         spName,
 413                         osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )
 414                 );
 415                 osrfAppSessionStatus( ctx->session, OSRF_STATUS_INTERNALSERVERERROR, "osrfMethodException", ctx->request, "Error creating savepoint" );
 416                 return -1;
 417         } else {
 418                 jsonObject* ret = jsonNewObject(spName);
 419                 osrfAppRespondComplete( ctx, ret );
 420                 jsonObjectFree(ret);
 421         }
 422         return 0;
 423 }
 424
 425 int releaseSavepoint ( osrfMethodContext* ctx ) {
 426         OSRF_METHOD_VERIFY_CONTEXT(ctx);
 427
 428         char* spName = jsonObjectToSimpleString(jsonObjectGetIndex(ctx->params, 0));
 429
 430         if (!osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )) {
 431                 osrfAppSessionStatus(
 432                         ctx->session,
 433                         OSRF_STATUS_INTERNALSERVERERROR,
 434                         "osrfMethodException",
 435                         ctx->request,
 436                         "No active transaction -- required for savepoints"
 437                 );
 438                 return -1;
 439         }
 440
 441         dbi_result result = dbi_conn_queryf(writehandle, "RELEASE SAVEPOINT \"%s\";", spName);
 442         if (!result) {
 443                 osrfLogError(
 444                         OSRF_LOG_MARK,
 445                         "%s: Error releasing savepoint %s in transaction %s",
 446                         MODULENAME,
 447                         spName,
 448                         osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )
 449                 );
 450                 osrfAppSessionStatus( ctx->session, OSRF_STATUS_INTERNALSERVERERROR, "osrfMethodException", ctx->request, "Error releasing savepoint" );
 451                 return -1;
 452         } else {
 453                 jsonObject* ret = jsonNewObject(spName);
 454                 osrfAppRespondComplete( ctx, ret );
 455                 jsonObjectFree(ret);
 456         }
 457         return 0;
 458 }
 459
 460 int rollbackSavepoint ( osrfMethodContext* ctx ) {
 461         OSRF_METHOD_VERIFY_CONTEXT(ctx);
 462
 463         char* spName = jsonObjectToSimpleString(jsonObjectGetIndex(ctx->params, 0));
 464
 465         if (!osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )) {
 466                 osrfAppSessionStatus(
 467                         ctx->session,
 468                         OSRF_STATUS_INTERNALSERVERERROR,
 469                         "osrfMethodException",
 470                         ctx->request,
 471                         "No active transaction -- required for savepoints"
 472                 );
 473                 return -1;
 474         }
 475
 476         dbi_result result = dbi_conn_queryf(writehandle, "ROLLBACK TO SAVEPOINT \"%s\";", spName);
 477         if (!result) {
 478                 osrfLogError(
 479                         OSRF_LOG_MARK,
 480                         "%s: Error rolling back savepoint %s in transaction %s",
 481                         MODULENAME,
 482                         spName,
 483                         osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )
 484                 );
 485                 osrfAppSessionStatus( ctx->session, OSRF_STATUS_INTERNALSERVERERROR, "osrfMethodException", ctx->request, "Error rolling back savepoint" );
 486                 return -1;
 487         } else {
 488                 jsonObject* ret = jsonNewObject(spName);
 489                 osrfAppRespondComplete( ctx, ret );
 490                 jsonObjectFree(ret);
 491         }
 492         return 0;
 493 }
 494
 495 int commitTransaction ( osrfMethodContext* ctx ) {
 496         OSRF_METHOD_VERIFY_CONTEXT(ctx);
 497
 498         if (!osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )) {
 499                 osrfAppSessionStatus( ctx->session, OSRF_STATUS_INTERNALSERVERERROR, "osrfMethodException", ctx->request, "No active transaction to commit" );
 500                 return -1;
 501         }
 502
 503         dbi_result result = dbi_conn_query(writehandle, "COMMIT;");
 504         if (!result) {
 505                 osrfLogError(OSRF_LOG_MARK, "%s: Error committing transaction", MODULENAME );
 506                 osrfAppSessionStatus( ctx->session, OSRF_STATUS_INTERNALSERVERERROR, "osrfMethodException", ctx->request, "Error committing transaction" );
 507                 return -1;
 508         } else {
 509                 osrfHashRemove(ctx->session->userData, "xact_id");
 510                 jsonObject* ret = jsonNewObject(ctx->session->session_id);
 511                 osrfAppRespondComplete( ctx, ret );
 512                 jsonObjectFree(ret);
 513         }
 514         return 0;
 515 }
 516
 517 int rollbackTransaction ( osrfMethodContext* ctx ) {
 518         OSRF_METHOD_VERIFY_CONTEXT(ctx);
 519
 520         if (!osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )) {
 521                 osrfAppSessionStatus( ctx->session, OSRF_STATUS_INTERNALSERVERERROR, "osrfMethodException", ctx->request, "No active transaction to roll back" );
 522                 return -1;
 523         }
 524
 525         dbi_result result = dbi_conn_query(writehandle, "ROLLBACK;");
 526         if (!result) {
 527                 osrfLogError(OSRF_LOG_MARK, "%s: Error rolling back transaction", MODULENAME );
 528                 osrfAppSessionStatus( ctx->session, OSRF_STATUS_INTERNALSERVERERROR, "osrfMethodException", ctx->request, "Error rolling back transaction" );
 529                 return -1;
 530         } else {
 531                 osrfHashRemove(ctx->session->userData, "xact_id");
 532                 jsonObject* ret = jsonNewObject(ctx->session->session_id);
 533                 osrfAppRespondComplete( ctx, ret );
 534                 jsonObjectFree(ret);
 535         }
 536         return 0;
 537 }
 538
 539 int dispatchCRUDMethod ( osrfMethodContext* ctx ) {
 540         OSRF_METHOD_VERIFY_CONTEXT(ctx);
 541
 542         osrfHash* meta = (osrfHash*) ctx->method->userData;
 543         osrfHash* class_obj = osrfHashGet( meta, "class" );
 544
 545         int err = 0;
 546
 547         jsonObject * obj = NULL;
 548         if (!strcmp( (char*)osrfHashGet(meta, "methodtype"), "create"))
 549                 obj = doCreate(ctx, &err);
 550
 551         if (!strcmp( (char*)osrfHashGet(meta, "methodtype"), "retrieve"))
 552                 obj = doRetrieve(ctx, &err);
 553
 554         if (!strcmp( (char*)osrfHashGet(meta, "methodtype"), "update"))
 555                 obj = doUpdate(ctx, &err);
 556
 557         if (!strcmp( (char*)osrfHashGet(meta, "methodtype"), "delete"))
 558                 obj = doDelete(ctx, &err);
 559
 560         if (!strcmp( (char*)osrfHashGet(meta, "methodtype"), "search")) {
 561
 562                 obj = doSearch(ctx, class_obj, ctx->params, &err);
 563                 if(err) return err;
 564
 565                 jsonObjectNode* cur;
 566                 jsonObjectIterator* itr = jsonNewObjectIterator( obj );
 567                 while ((cur = jsonObjectIteratorNext( itr ))) {
 568                         osrfAppRespond( ctx, jsonObjectClone(cur->item) );
 569                 }
 570                 jsonObjectIteratorFree(itr);
 571                 osrfAppRespondComplete( ctx, NULL );
 572
 573         } else if (!strcmp( (char*)osrfHashGet(meta, "methodtype"), "id_list")) {
 574
 575                 jsonObject* _p = jsonObjectClone( ctx->params );
 576                 if (jsonObjectGetIndex( _p, 1 )) {
 577                         jsonObjectRemoveKey( jsonObjectGetIndex( _p, 1 ), "flesh" );
 578                         jsonObjectRemoveKey( jsonObjectGetIndex( _p, 1 ), "flesh_columns" );
 579                 } else {
 580                         jsonObjectSetIndex( _p, 1, jsonParseString("{}") );
 581                 }
 582
 583                 growing_buffer* sel_list = buffer_init(16);
 584                 buffer_fadd(sel_list, "{ \"%s\":[\"%s\"] }", osrfHashGet( class_obj, "classname" ), osrfHashGet( class_obj, "primarykey" ));
 585                 char* _s = buffer_data(sel_list);
 586                 buffer_free(sel_list);
 587
 588                 jsonObjectSetKey( jsonObjectGetIndex( _p, 1 ), "select", jsonParseString(_s) );
 589                 osrfLogDebug(OSRF_LOG_MARK, "%s: Select qualifer set to [%s]", MODULENAME, _s);
 590                 free(_s);
 591
 592                 obj = doSearch(ctx, class_obj, _p, &err);
 593                 if(err) return err;
 594
 595                 jsonObjectNode* cur;
 596                 jsonObjectIterator* itr = jsonNewObjectIterator( obj );
 597                 while ((cur = jsonObjectIteratorNext( itr ))) {
 598                         osrfAppRespond(
 599                                 ctx,
 600                                 jsonObjectClone(
 601                                         jsonObjectGetIndex(
 602                                                 cur->item,
 603                                                 atoi(
 604                                                         osrfHashGet(
 605                                                                 osrfHashGet(
 606                                                                         osrfHashGet( class_obj, "fields" ),
 607                                                                         osrfHashGet( class_obj, "primarykey")
 608                                                                 ),
 609                                                                 "array_position"
 610                                                         )
 611                                                 )
 612                                         )
 613                                 )
 614                         );
 615                 }
 616                 jsonObjectIteratorFree(itr);
 617                 osrfAppRespondComplete( ctx, NULL );
 618
 619         } else {
 620                 osrfAppRespondComplete( ctx, obj );
 621         }
 622
 623         jsonObjectFree(obj);
 624
 625         return err;
 626 }
 627
 628 int verifyObjectClass ( osrfMethodContext* ctx, jsonObject* param ) {
 629
 630         osrfHash* meta = (osrfHash*) ctx->method->userData;
 631         osrfHash* class = osrfHashGet( meta, "class" );
 632
 633         if ((strcmp( osrfHashGet(class, "classname"), param->classname ))) {
 634
 635                 growing_buffer* msg = buffer_init(128);
 636                 buffer_fadd(
 637                         msg,
 638                         "%s: %s method for type %s was passed a %s",
 639                         MODULENAME,
 640                         osrfHashGet(meta, "methodtype"),
 641                         osrfHashGet(class, "classname"),
 642                         param->classname
 643                 );
 644
 645                 char* m = buffer_data(msg);
 646                 osrfAppSessionStatus( ctx->session, OSRF_STATUS_BADREQUEST, "osrfMethodException", ctx->request, m );
 647
 648                 buffer_free(msg);
 649                 free(m);
 650
 651                 return 0;
 652         }
 653         return 1;
 654 }
 655
 656 jsonObject* doCreate(osrfMethodContext* ctx, int* err ) {
 657
 658         osrfHash* meta = osrfHashGet( (osrfHash*) ctx->method->userData, "class" );
 659         jsonObject* target = jsonObjectGetIndex( ctx->params, 0 );
 660         jsonObject* options = jsonObjectGetIndex( ctx->params, 1 );
 661
 662         if (!verifyObjectClass(ctx, target)) {
 663                 *err = -1;
 664                 return jsonNULL;
 665         }
 666
 667         osrfLogDebug( OSRF_LOG_MARK, "Object seems to be of the correct type" );
 668
 669         if (!ctx->session || !ctx->session->userData || !osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )) {
 670                 osrfLogError( OSRF_LOG_MARK, "No active transaction -- required for CREATE" );
 671
 672                 osrfAppSessionStatus(
 673                         ctx->session,
 674                         OSRF_STATUS_BADREQUEST,
 675                         "osrfMethodException",
 676                         ctx->request,
 677                         "No active transaction -- required for CREATE"
 678                 );
 679                 *err = -1;
 680                 return jsonNULL;
 681         }
 682
 683         char* trans_id = osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" );
 684
 685         // Set the last_xact_id
 686         osrfHash* last_xact_id;
 687         if ((last_xact_id = oilsIDLFindPath("/%s/fields/last_xact_id", target->classname))) {
 688                 int index = atoi( osrfHashGet(last_xact_id, "array_position") );
 689                 osrfLogDebug(OSRF_LOG_MARK, "Setting last_xact_id to %s on %s at position %d", trans_id, target->classname, index);
 690                 jsonObjectSetIndex(target, index, jsonNewObject(trans_id));
 691         }
 692
 693         osrfLogDebug( OSRF_LOG_MARK, "There is a transaction running..." );
 694
 695         dbhandle = writehandle;
 696
 697         osrfHash* fields = osrfHashGet(meta, "fields");
 698         char* pkey = osrfHashGet(meta, "primarykey");
 699         char* seq = osrfHashGet(meta, "sequence");
 700
 701         growing_buffer* table_buf = buffer_init(128);
 702         growing_buffer* col_buf = buffer_init(128);
 703         growing_buffer* val_buf = buffer_init(128);
 704
 705         buffer_fadd(table_buf,"INSERT INTO %s", osrfHashGet(meta, "tablename"));
 706         buffer_add(col_buf,"(");
 707         buffer_add(val_buf,"VALUES (");
 708
 709
 710         int i = 0;
 711         int first = 1;
 712         char* field_name;
 713         osrfStringArray* field_list = osrfHashKeys( fields );
 714         while ( (field_name = osrfStringArrayGetString(field_list, i++)) ) {
 715
 716                 osrfHash* field = osrfHashGet( fields, field_name );
 717
 718                 if(!( strcmp( osrfHashGet(osrfHashGet(fields,field_name), "virtual"), "true" ) )) continue;
 719
 720                 jsonObject* field_object = jsonObjectGetIndex( target, atoi(osrfHashGet(field, "array_position")) );
 721
 722                 char* value;
 723                 if (field_object && field_object->classname) {
 724                         value = jsonObjectToSimpleString(
 725                                         jsonObjectGetIndex(
 726                                                 field_object,
 727                                                 atoi(
 728                                                         osrfHashGet(
 729                                                                 osrfHashGet(
 730                                                                         oilsIDLFindPath("/%s/fields", field_object->classname),
 731                                                                         (char*)oilsIDLFindPath("/%s/primarykey", field_object->classname)
 732                                                                 ),
 733                                                                 "array_position"
 734                                                         )
 735                                                 )
 736                                         )
 737                                 );
 738
 739                 } else {
 740                         value = jsonObjectToSimpleString( field_object );
 741                 }
 742
 743
 744                 if (first) {
 745                         first = 0;
 746                 } else {
 747                         buffer_add(col_buf, ",");
 748                         buffer_add(val_buf, ",");
 749                 }
 750
 751                 buffer_add(col_buf, field_name);
 752
 753                 if (!field_object || field_object->type == JSON_NULL) {
 754                         buffer_add( val_buf, "DEFAULT" );
 755
 756                 } else if ( !strcmp(osrfHashGet(field, "primitive"), "number") ) {
 757                         if ( !strcmp(osrfHashGet(field, "datatype"), "INT8") ) {
 758                                 buffer_fadd( val_buf, "%lld", atol(value) );
 759
 760                         } else if ( !strcmp(osrfHashGet(field, "datatype"), "INT") ) {
 761                                 buffer_fadd( val_buf, "%ld", atoll(value) );
 762
 763                         } else if ( !strcmp(osrfHashGet(field, "datatype"), "NUMERIC") ) {
 764                                 buffer_fadd( val_buf, "%f", atof(value) );
 765                         }
 766                 } else {
 767                         if ( dbi_conn_quote_string(writehandle, &value) ) {
 768                                 buffer_fadd( val_buf, "%s", value );
 769
 770                         } else {
 771                                 osrfLogError(OSRF_LOG_MARK, "%s: Error quoting string [%s]", MODULENAME, value);
 772                                 osrfAppSessionStatus(
 773                                         ctx->session,
 774                                         OSRF_STATUS_INTERNALSERVERERROR,
 775                                         "osrfMethodException",
 776                                         ctx->request,
 777                                         "Error quoting string -- please see the error log for more details"
 778                                 );
 779                                 free(value);
 780                                 buffer_free(table_buf);
 781                                 buffer_free(col_buf);
 782                                 buffer_free(val_buf);
 783                                 *err = -1;
 784                                 return jsonNULL;
 785                         }
 786                 }
 787
 788                 free(value);
 789
 790         }
 791
 792
 793         buffer_add(col_buf,")");
 794         buffer_add(val_buf,")");
 795
 796         growing_buffer* sql = buffer_init(128);
 797         buffer_fadd(
 798                 sql,
 799                 "%s %s %s;",
 800                 buffer_data(table_buf),
 801                 buffer_data(col_buf),
 802                 buffer_data(val_buf)
 803         );
 804         buffer_free(table_buf);
 805         buffer_free(col_buf);
 806         buffer_free(val_buf);
 807
 808         char* query = buffer_data(sql);
 809         buffer_free(sql);
 810
 811         osrfLogDebug(OSRF_LOG_MARK, "%s: Insert SQL [%s]", MODULENAME, query);
 812
 813
 814         dbi_result result = dbi_conn_query(writehandle, query);
 815
 816         jsonObject* obj = NULL;
 817
 818         if (!result) {
 819                 obj = jsonNewObject(NULL);
 820                 osrfLogError(
 821                         OSRF_LOG_MARK,
 822                         "%s ERROR inserting %s object using query [%s]",
 823                         MODULENAME,
 824                         osrfHashGet(meta, "fieldmapper"),
 825                         query
 826                 );
 827                 osrfAppSessionStatus(
 828                         ctx->session,
 829                         OSRF_STATUS_INTERNALSERVERERROR,
 830                         "osrfMethodException",
 831                         ctx->request,
 832                         "INSERT error -- please see the error log for more details"
 833                 );
 834                 *err = -1;
 835         } else {
 836
 837                 int pos = atoi(osrfHashGet( osrfHashGet(fields, pkey), "array_position" ));
 838                 char* id = jsonObjectToSimpleString(jsonObjectGetIndex(target, pos));
 839                 if (!id) {
 840                         unsigned long long new_id = dbi_conn_sequence_last(writehandle, seq);
 841                         growing_buffer* _id = buffer_init(10);
 842                         buffer_fadd(_id, "%lld", new_id);
 843                         id = buffer_data(_id);
 844                         buffer_free(_id);
 845                 }
 846
 847                 if (    !options
 848                         || !jsonObjectGetKey( options, "quiet")
 849                         || strcmp( jsonObjectToSimpleString(jsonObjectGetKey( options, "quiet")), "true" )
 850                 ) {
 851
 852                         jsonObject* fake_params = jsonParseString("[]");
 853                         jsonObjectPush(fake_params, jsonParseString("{}"));
 854
 855                         jsonObjectSetKey(
 856                                 jsonObjectGetIndex(fake_params, 0),
 857                                 osrfHashGet(meta, "primarykey"),
 858                                 jsonNewObject(id)
 859                         );
 860
 861                         jsonObject* list = doSearch( ctx,meta, fake_params, err);
 862
 863                         if(*err) {
 864                                 jsonObjectFree( fake_params );
 865                                 obj = jsonNULL;
 866                         } else {
 867                                 obj = jsonObjectClone( jsonObjectGetIndex(list, 0) );
 868                         }
 869
 870                         jsonObjectFree( list );
 871                         jsonObjectFree( fake_params );
 872
 873                 } else {
 874                         obj = jsonNewObject(id);
 875                 }
 876
 877         }
 878
 879         free(query);
 880
 881         return obj;
 882
 883 }
 884
 885
 886 jsonObject* doRetrieve(osrfMethodContext* ctx, int* err ) {
 887
 888         osrfHash* meta = osrfHashGet( (osrfHash*) ctx->method->userData, "class" );
 889
 890         jsonObject* obj;
 891
 892         char* id = jsonObjectToSimpleString(jsonObjectGetIndex(ctx->params, 0));
 893         jsonObject* order_hash = jsonObjectGetIndex(ctx->params, 1);
 894
 895         osrfLogDebug(
 896                 OSRF_LOG_MARK,
 897                 "%s retrieving %s object with id %s",
 898                 MODULENAME,
 899                 osrfHashGet(meta, "fieldmapper"),
 900                 id
 901         );
 902
 903         jsonObject* fake_params = jsonParseString("[]");
 904         jsonObjectPush(fake_params, jsonParseString("{}"));
 905
 906         jsonObjectSetKey(
 907                 jsonObjectGetIndex(fake_params, 0),
 908                 osrfHashGet(meta, "primarykey"),
 909                 jsonParseString(id)
 910         );
 911
 912         if (order_hash) jsonObjectPush(fake_params, jsonObjectClone(order_hash) );
 913
 914         jsonObject* list = doSearch( ctx,meta, fake_params, err);
 915
 916         if(*err) {
 917                 jsonObjectFree( fake_params );
 918                 return jsonNULL;
 919         }
 920
 921         obj = jsonObjectClone( jsonObjectGetIndex(list, 0) );
 922
 923         jsonObjectFree( list );
 924         jsonObjectFree( fake_params );
 925
 926         return obj;
 927 }
 928
 929 char* jsonNumberToDBString ( osrfHash* field, jsonObject* value ) {
 930         growing_buffer* val_buf = buffer_init(32);
 931
 932         if ( !strncmp(osrfHashGet(field, "datatype"), "INT", 3) ) {
 933                 if (value->type == JSON_NUMBER) buffer_fadd( val_buf, "%ld", (long)jsonObjectGetNumber(value) );
 934                 else buffer_fadd( val_buf, "%ld", atol(jsonObjectToSimpleString(value)) );
 935
 936         } else if ( !strcmp(osrfHashGet(field, "datatype"), "NUMERIC") ) {
 937                 if (value->type == JSON_NUMBER) buffer_fadd( val_buf, "%f",  jsonObjectGetNumber(value) );
 938                 else buffer_fadd( val_buf, "%f", atof(jsonObjectToSimpleString(value)) );
 939         }
 940
 941         char* pred = buffer_data(val_buf);
 942         buffer_free(val_buf);
 943
 944         return pred;
 945 }
 946
 947 char* searchINPredicate (osrfHash* field, jsonObject* node, const char* op) {
 948         growing_buffer* sql_buf = buffer_init(32);
 949
 950         buffer_fadd(
 951                 sql_buf,
 952                 "%s ",
 953                 osrfHashGet(field, "name")
 954         );
 955
 956         if (!op) {
 957                 buffer_add(sql_buf, "IN (");
 958         } else if (!(strcasecmp(op,"not in"))) {
 959                 buffer_add(sql_buf, "NOT IN (");
 960         } else {
 961                 buffer_add(sql_buf, "IN (");
 962         }
 963
 964         int in_item_index = 0;
 965         int in_item_first = 1;
 966         jsonObject* in_item;
 967         while ( (in_item = jsonObjectGetIndex(node, in_item_index++)) ) {
 968
 969                 if (in_item_first)
 970                         in_item_first = 0;
 971                 else
 972                         buffer_add(sql_buf, ", ");
 973
 974                 if ( !strcmp(osrfHashGet(field, "primitive"), "number") ) {
 975                         char* val = jsonNumberToDBString( field, in_item );
 976                         buffer_fadd( sql_buf, "%s", val );
 977                         free(val);
 978
 979                 } else {
 980                         char* key_string = jsonObjectToSimpleString(in_item);
 981                         if ( dbi_conn_quote_string(dbhandle, &key_string) ) {
 982                                 buffer_fadd( sql_buf, "%s", key_string );
 983                                 free(key_string);
 984                         } else {
 985                                 osrfLogError(OSRF_LOG_MARK, "%s: Error quoting key string [%s]", MODULENAME, key_string);
 986                                 free(key_string);
 987                                 buffer_free(sql_buf);
 988                                 return NULL;
 989                         }
 990                 }
 991         }
 992
 993         buffer_add(
 994                 sql_buf,
 995                 ")"
 996         );
 997
 998         char* pred = buffer_data(sql_buf);
 999         buffer_free(sql_buf);
1000
1001         return pred;
1002 }
1003
1004 char* searchValueTransform( jsonObject* array ) {
1005         growing_buffer* sql_buf = buffer_init(32);
1006
1007         char* val = NULL;
1008         int func_item_index = 0;
1009         int func_item_first = 2;
1010         jsonObject* func_item;
1011         while ( (func_item = jsonObjectGetIndex(array, func_item_index++)) ) {
1012
1013                 val = jsonObjectToSimpleString(func_item);
1014
1015                 if (func_item_first == 2) {
1016                         buffer_fadd(sql_buf, "%s( ", val);
1017                         free(val);
1018                         func_item_first--;
1019                         continue;
1020                 }
1021
1022                 if (func_item_first)
1023                         func_item_first--;
1024                 else
1025                         buffer_add(sql_buf, ", ");
1026
1027                 if ( dbi_conn_quote_string(dbhandle, &val) ) {
1028                         buffer_fadd( sql_buf, "%s", val );
1029                         free(val);
1030                 } else {
1031                         osrfLogError(OSRF_LOG_MARK, "%s: Error quoting key string [%s]", MODULENAME, val);
1032                         free(val);
1033                         buffer_free(sql_buf);
1034                         return NULL;
1035                 }
1036         }
1037
1038         buffer_add(
1039                 sql_buf,
1040                 " )"
1041         );
1042
1043         char* pred = buffer_data(sql_buf);
1044         buffer_free(sql_buf);
1045
1046         return pred;
1047 }
1048
1049 char* searchFunctionPredicate (osrfHash* field, jsonObjectNode* node) {
1050         growing_buffer* sql_buf = buffer_init(32);
1051
1052         char* val = searchValueTransform(node->item);
1053
1054         buffer_fadd(
1055                 sql_buf,
1056                 "%s %s %s",
1057                 osrfHashGet(field, "name"),
1058                 node->key,
1059                 val
1060         );
1061
1062         char* pred = buffer_data(sql_buf);
1063         buffer_free(sql_buf);
1064         free(val);
1065
1066         return pred;
1067 }
1068
1069 char* searchFieldTransform (osrfHash* field, jsonObject* node) {
1070         growing_buffer* sql_buf = buffer_init(32);
1071
1072         char* field_transform = jsonObjectToSimpleString( jsonObjectGetKey( node, "transform" ) );
1073
1074         buffer_fadd(
1075                 sql_buf,
1076                 "%s(%s)",
1077                 field_transform,
1078                 osrfHashGet(field, "name")
1079         );
1080
1081         char* pred = buffer_data(sql_buf);
1082         buffer_free(sql_buf);
1083         free(field_transform);
1084
1085         return pred;
1086 }
1087
1088 char* searchFieldTransformPredicate (osrfHash* field, jsonObjectNode* node) {
1089         growing_buffer* sql_buf = buffer_init(32);
1090
1091         char* field_transform = searchFieldTransform( field, node->item );
1092         char* value = NULL;
1093
1094         if (jsonObjectGetKey( node->item, "value" )->type == JSON_ARRAY) {
1095                 value = searchValueTransform(jsonObjectGetKey( node->item, "value" ));
1096         } else if (jsonObjectGetKey( node->item, "value" )->type != JSON_NULL) {
1097                 if ( !strcmp(osrfHashGet(field, "primitive"), "number") ) {
1098                         value = jsonNumberToDBString( field, jsonObjectGetKey( node->item, "value" ) );
1099                 } else {
1100                         value = jsonObjectToSimpleString(jsonObjectGetKey( node->item, "value" ));
1101                         if ( !dbi_conn_quote_string(dbhandle, &value) ) {
1102                                 osrfLogError(OSRF_LOG_MARK, "%s: Error quoting key string [%s]", MODULENAME, value);
1103                                 free(value);
1104                                 return NULL;
1105                         }
1106                 }
1107         }
1108
1109         buffer_fadd(
1110                 sql_buf,
1111                 "%s %s %s",
1112                 field_transform,
1113                 node->key,
1114                 value
1115         );
1116
1117         char* pred = buffer_data(sql_buf);
1118         buffer_free(sql_buf);
1119         free(field_transform);
1120
1121         return pred;
1122 }
1123
1124 char* searchSimplePredicate (const char* orig_op, osrfHash* field, jsonObject* node) {
1125
1126         char* val = NULL;
1127
1128         if (node->type != JSON_NULL) {
1129                 if ( !strcmp(osrfHashGet(field, "primitive"), "number") ) {
1130                         val = jsonNumberToDBString( field, node );
1131                 } else {
1132                         val = jsonObjectToSimpleString(node);
1133                 }
1134         }
1135
1136         char* pred = searchWriteSimplePredicate( field, osrfHashGet(field, "name"), orig_op, val );
1137
1138         if (val) free(val);
1139
1140         return pred;
1141 }
1142
1143 char* searchWriteSimplePredicate ( osrfHash* field, const char* left, const char* orig_op, const char* right ) {
1144
1145         char* val = NULL;
1146         char* op = NULL;
1147         if (right == NULL) {
1148                 val = strdup("NULL");
1149
1150                 if (strcmp( orig_op, "=" ))
1151                         op = strdup("IS NOT");
1152                 else
1153                         op = strdup("IS");
1154
1155         } else if ( !strcmp(osrfHashGet(field, "primitive"), "number") ) {
1156                 val = strdup(right);
1157                 op = strdup(orig_op);
1158
1159         } else {
1160                 val = strdup(right);
1161                 if ( !dbi_conn_quote_string(dbhandle, &val) ) {
1162                         osrfLogError(OSRF_LOG_MARK, "%s: Error quoting key string [%s]", MODULENAME, val);
1163                         free(val);
1164                         return NULL;
1165                 }
1166                 op = strdup(orig_op);
1167         }
1168
1169         growing_buffer* sql_buf = buffer_init(16);
1170         buffer_fadd( sql_buf, "%s %s %s", left, op, val );
1171         free(val);
1172         free(op);
1173
1174         char* pred = buffer_data(sql_buf);
1175         buffer_free(sql_buf);
1176
1177         return pred;
1178
1179 }
1180
1181 char* searchBETWEENPredicate (osrfHash* field, jsonObject* node) {
1182
1183         char* x_string;
1184         char* y_string;
1185
1186         if ( !strcmp(osrfHashGet(field, "primitive"), "number") ) {
1187                 x_string = jsonNumberToDBString(field, jsonObjectGetIndex(node,0));
1188                 y_string = jsonNumberToDBString(field, jsonObjectGetIndex(node,1));
1189
1190         } else {
1191                 x_string = jsonObjectToSimpleString(jsonObjectGetIndex(node,0));
1192                 y_string = jsonObjectToSimpleString(jsonObjectGetIndex(node,1));
1193                 if ( !(dbi_conn_quote_string(dbhandle, &x_string) && dbi_conn_quote_string(dbhandle, &y_string)) ) {
1194                         osrfLogError(OSRF_LOG_MARK, "%s: Error quoting key strings [%s] and [%s]", MODULENAME, x_string, y_string);
1195                         free(x_string);
1196                         free(y_string);
1197                         return NULL;
1198                 }
1199         }
1200
1201         growing_buffer* sql_buf = buffer_init(32);
1202         buffer_fadd( sql_buf, "%s BETWEEN %s AND %s", osrfHashGet(field, "name"), x_string, y_string );
1203         free(x_string);
1204         free(y_string);
1205
1206         char* pred = buffer_data(sql_buf);
1207         buffer_free(sql_buf);
1208
1209         return pred;
1210 }
1211
1212 char* searchPredicate ( osrfHash* field, jsonObject* node ) {
1213
1214         char* pred = NULL;
1215         if (node->type == JSON_ARRAY) { // equality IN search
1216                 pred = searchINPredicate( field, node, NULL );
1217         } else if (node->type == JSON_HASH) { // non-equality search
1218                 jsonObjectNode* pred_node;
1219                 jsonObjectIterator* pred_itr = jsonNewObjectIterator( node );
1220                 while ( (pred_node = jsonObjectIteratorNext( pred_itr )) ) {
1221                         if ( !(strcasecmp( pred_node->key,"between" )) )
1222                                 pred = searchBETWEENPredicate( field, pred_node->item );
1223                         else if ( !(strcasecmp( pred_node->key,"in" )) || !(strcasecmp( pred_node->key,"not in" )) )
1224                                 pred = searchINPredicate( field, pred_node->item, pred_node->key );
1225                         else if ( pred_node->item->type == JSON_ARRAY )
1226                                 pred = searchFunctionPredicate( field, pred_node );
1227                         else if ( pred_node->item->type == JSON_HASH )
1228                                 pred = searchFieldTransformPredicate( field, pred_node );
1229                         else
1230                                 pred = searchSimplePredicate( pred_node->key, field, pred_node->item );
1231
1232                         break;
1233                 }
1234         } else if (node->type == JSON_NULL) { // IS NULL search
1235                 growing_buffer* _p = buffer_init(16);
1236                 buffer_fadd(
1237                         _p,
1238                         "%s IS NULL",
1239                         osrfHashGet(field, "name")
1240                 );
1241                 pred = buffer_data(_p);
1242                 buffer_free(_p);
1243         } else { // equality search
1244                 pred = searchSimplePredicate( "=", field, node );
1245         }
1246
1247         return pred;
1248
1249 }
1250
1251 char* buildSELECT ( jsonObject* search_hash, jsonObject* order_hash, osrfHash* meta, osrfMethodContext* ctx ) {
1252
1253         //  XXX this will be used for joins, I think
1254         //osrfHash* links = osrfHashGet(meta, "links");
1255
1256         osrfHash* fields = osrfHashGet(meta, "fields");
1257         char* core_class = osrfHashGet(meta, "classname");
1258
1259         jsonObjectNode* node = NULL;
1260         jsonObjectNode* snode = NULL;
1261         jsonObject* _tmp;
1262
1263         growing_buffer* sql_buf = buffer_init(128);
1264         buffer_add(sql_buf, "SELECT");
1265
1266         int first = 1;
1267         if ( (_tmp = jsonObjectGetKey( order_hash, "select" )) ) {
1268
1269                 jsonObjectIterator* class_itr = jsonNewObjectIterator( _tmp );
1270                 while ( (snode = jsonObjectIteratorNext( class_itr )) ) {
1271
1272                         osrfHash* idlClass = osrfHashGet( idl, snode->key );
1273                         if (!idlClass) continue;
1274                         char* cname = osrfHashGet(idlClass, "classname");
1275
1276                         if (strcmp(core_class,snode->key)) continue;
1277
1278                         jsonObjectIterator* select_itr = jsonNewObjectIterator( snode->item );
1279                         while ( (node = jsonObjectIteratorNext( select_itr )) ) {
1280                                 osrfHash* field = osrfHashGet( osrfHashGet( idlClass, "fields" ), jsonObjectToSimpleString(node->item) );
1281                                 char* fname = osrfHashGet(field, "name");
1282
1283                                 if (!field) continue;
1284
1285                                 if (first) {
1286                                         first = 0;
1287                                 } else {
1288                                         buffer_add(sql_buf, ",");
1289                                 }
1290
1291                                 buffer_fadd(sql_buf, " \"%s\".%s", cname, fname, cname, fname);
1292                         }
1293                 }
1294
1295                 if (first) buffer_add(sql_buf, " *");
1296
1297         } else {
1298                 buffer_add(sql_buf, " *");
1299         }
1300
1301         buffer_fadd(sql_buf, " FROM %s AS \"%s\" WHERE ", osrfHashGet(meta, "tablename"), core_class );
1302
1303
1304         char* pred;
1305         first = 1;
1306         jsonObjectIterator* search_itr = jsonNewObjectIterator( search_hash );
1307         while ( (node = jsonObjectIteratorNext( search_itr )) ) {
1308                 osrfHash* field = osrfHashGet( fields, node->key );
1309
1310                 if (!field) {
1311                         osrfLogError(
1312                                 OSRF_LOG_MARK,
1313                                 "%s: Attempt to reference non-existant column %s on table %s",
1314                                 MODULENAME,
1315                                 node->key,
1316                                 osrfHashGet(meta, "tablename")
1317                         );
1318                         osrfAppSessionStatus(
1319                                 ctx->session,
1320                                 OSRF_STATUS_INTERNALSERVERERROR,
1321                                 "osrfMethodException",
1322                                 ctx->request,
1323                                 "Severe query error -- see error log for more details"
1324                         );
1325                         buffer_free(sql_buf);
1326                         return NULL;
1327                 }
1328
1329                 if (first) {
1330                         first = 0;
1331                 } else {
1332                         buffer_add(sql_buf, " AND ");
1333                 }
1334
1335                 pred = searchPredicate( field, node->item);
1336                 buffer_fadd( sql_buf, "%s", pred );
1337                 free(pred);
1338         }
1339
1340         jsonObjectIteratorFree(search_itr);
1341
1342         if (order_hash) {
1343                 char* string;
1344                 if ( (_tmp = jsonObjectGetKey( jsonObjectGetKey( order_hash, "order_by" ), core_class ) ) ){
1345                         string = jsonObjectToSimpleString(_tmp);
1346                         buffer_fadd(
1347                                 sql_buf,
1348                                 " ORDER BY %s",
1349                                 string
1350                         );
1351                         free(string);
1352                 }
1353
1354                 if ( (_tmp = jsonObjectGetKey( order_hash, "limit" )) ){
1355                         string = jsonObjectToSimpleString(_tmp);
1356                         buffer_fadd(
1357                                 sql_buf,
1358                                 " LIMIT %d",
1359                                 atoi(string)
1360                         );
1361                         free(string);
1362                 }
1363
1364                 _tmp = jsonObjectGetKey( order_hash, "offset" );
1365                 if (_tmp) {
1366                         string = jsonObjectToSimpleString(_tmp);
1367                         buffer_fadd(
1368                                 sql_buf,
1369                                 " OFFSET %d",
1370                                 atoi(string)
1371                         );
1372                         free(string);
1373                 }
1374         }
1375
1376         buffer_add(sql_buf, ";");
1377
1378         char* sql = buffer_data(sql_buf);
1379         buffer_free(sql_buf);
1380
1381         return sql;
1382 }
1383
1384 jsonObject* doSearch ( osrfMethodContext* ctx, osrfHash* meta, jsonObject* params, int* err ) {
1385
1386         // XXX for now...
1387         dbhandle = writehandle;
1388
1389         osrfHash* links = osrfHashGet(meta, "links");
1390         osrfHash* fields = osrfHashGet(meta, "fields");
1391         char* core_class = osrfHashGet(meta, "classname");
1392
1393         jsonObject* _tmp;
1394         jsonObject* obj;
1395         jsonObject* search_hash = jsonObjectGetIndex(params, 0);
1396         jsonObject* order_hash = jsonObjectGetIndex(params, 1);
1397
1398         char* sql = buildSELECT( search_hash, order_hash, meta, ctx );
1399         if (!sql) {
1400                 *err = -1;
1401                 return NULL;
1402         }
1403
1404         osrfLogDebug(OSRF_LOG_MARK, "%s SQL =  %s", MODULENAME, sql);
1405         dbi_result result = dbi_conn_query(dbhandle, sql);
1406
1407         jsonObject* res_list = jsonParseString("[]");
1408         if(result) {
1409                 osrfLogDebug(OSRF_LOG_MARK, "Query returned with no errors");
1410
1411                 if (dbi_result_first_row(result)) {
1412                         /* JSONify the result */
1413                         osrfLogDebug(OSRF_LOG_MARK, "Query returned at least one row");
1414                         do {
1415                                 obj = oilsMakeJSONFromResult( result, meta );
1416                                 jsonObjectPush(res_list, obj);
1417                         } while (dbi_result_next_row(result));
1418                 } else {
1419                         osrfLogDebug(OSRF_LOG_MARK, "%s returned no results for query %s", MODULENAME, sql);
1420                 }
1421
1422                 /* clean up the query */
1423                 dbi_result_free(result);
1424
1425         } else {
1426                 osrfLogError(OSRF_LOG_MARK, "%s: Error retrieving %s with query [%s]", MODULENAME, osrfHashGet(meta, "fieldmapper"), sql);
1427                 osrfAppSessionStatus(
1428                         ctx->session,
1429                         OSRF_STATUS_INTERNALSERVERERROR,
1430                         "osrfMethodException",
1431                         ctx->request,
1432                         "Severe query error -- see error log for more details"
1433                 );
1434                 *err = -1;
1435                 free(sql);
1436                 jsonObjectFree(res_list);
1437                 return jsonNULL;
1438
1439         }
1440
1441         free(sql);
1442
1443         if (res_list->size && order_hash) {
1444                 _tmp = jsonObjectGetKey( order_hash, "flesh" );
1445                 if (_tmp) {
1446                         int x = (int)jsonObjectGetNumber(_tmp);
1447
1448                         jsonObject* flesh_blob = NULL;
1449                         if ((flesh_blob = jsonObjectGetKey( order_hash, "flesh_fields" )) && x > 0) {
1450
1451                                 flesh_blob = jsonObjectClone( flesh_blob );
1452                                 jsonObject* flesh_fields = jsonObjectGetKey( flesh_blob, core_class );
1453
1454                                 osrfStringArray* link_fields = NULL;
1455
1456                                 if (flesh_fields) {
1457                                         if (flesh_fields->size == 1) {
1458                                                 char* _t = jsonObjectToSimpleString( jsonObjectGetIndex( flesh_fields, 0 ) );
1459                                                 if (!strcmp(_t,"*")) link_fields = osrfHashKeys( links );
1460                                                 free(_t);
1461                                         }
1462
1463                                         if (!link_fields) {
1464                                                 jsonObjectNode* _f;
1465                                                 link_fields = osrfNewStringArray(1);
1466                                                 jsonObjectIterator* _i = jsonNewObjectIterator( flesh_fields );
1467                                                 while ((_f = jsonObjectIteratorNext( _i ))) {
1468                                                         osrfStringArrayAdd( link_fields, jsonObjectToSimpleString( _f->item ) );
1469                                                 }
1470                                         }
1471                                 }
1472
1473                                 jsonObjectNode* cur;
1474                                 jsonObjectIterator* itr = jsonNewObjectIterator( res_list );
1475                                 while ((cur = jsonObjectIteratorNext( itr ))) {
1476
1477                                         int i = 0;
1478                                         char* link_field;
1479
1480                                         while ( (link_field = osrfStringArrayGetString(link_fields, i++)) ) {
1481
1482                                                 osrfLogDebug(OSRF_LOG_MARK, "Starting to flesh %s", link_field);
1483
1484                                                 osrfHash* kid_link = osrfHashGet(links, link_field);
1485                                                 if (!kid_link) continue;
1486
1487                                                 osrfHash* field = osrfHashGet(fields, link_field);
1488                                                 if (!field) continue;
1489
1490                                                 osrfHash* value_field = field;
1491
1492                                                 osrfHash* kid_idl = osrfHashGet(idl, osrfHashGet(kid_link, "class"));
1493                                                 if (!kid_idl) continue;
1494
1495                                                 if (!(strcmp( osrfHashGet(kid_link, "reltype"), "has_many" ))) { // has_many
1496                                                         value_field = osrfHashGet( fields, osrfHashGet(meta, "primarykey") );
1497                                                 }
1498
1499                                                 if (!(strcmp( osrfHashGet(kid_link, "reltype"), "might_have" ))) { // might_have
1500                                                         value_field = osrfHashGet( fields, osrfHashGet(meta, "primarykey") );
1501                                                 }
1502
1503                                                 osrfStringArray* link_map = osrfHashGet( kid_link, "map" );
1504
1505                                                 if (link_map->size > 0) {
1506                                                         jsonObject* _kid_key = jsonParseString("[]");
1507                                                         jsonObjectPush(
1508                                                                 _kid_key,
1509                                                                 jsonNewObject( osrfStringArrayGetString( link_map, 0 ) )
1510                                                         );
1511
1512                                                         jsonObjectSetKey(
1513                                                                 flesh_blob,
1514                                                                 osrfHashGet(kid_link, "class"),
1515                                                                 _kid_key
1516                                                         );
1517                                                 };
1518
1519                                                 osrfLogDebug(
1520                                                         OSRF_LOG_MARK,
1521                                                         "Link field: %s, remote class: %s, fkey: %s, reltype: %s",
1522                                                         osrfHashGet(kid_link, "field"),
1523                                                         osrfHashGet(kid_link, "class"),
1524                                                         osrfHashGet(kid_link, "key"),
1525                                                         osrfHashGet(kid_link, "reltype")
1526                                                 );
1527
1528                                                 jsonObject* fake_params = jsonParseString("[]");
1529                                                 jsonObjectPush(fake_params, jsonParseString("{}")); // search hash
1530                                                 jsonObjectPush(fake_params, jsonParseString("{}")); // order/flesh hash
1531
1532                                                 osrfLogDebug(OSRF_LOG_MARK, "Creating dummy params object...");
1533
1534                                                 char* search_key =
1535                                                 jsonObjectToSimpleString(
1536                                                         jsonObjectGetIndex(
1537                                                                 cur->item,
1538                                                                 atoi( osrfHashGet(value_field, "array_position") )
1539                                                         )
1540                                                 );
1541
1542                                                 if (!search_key) {
1543                                                         osrfLogDebug(OSRF_LOG_MARK, "Nothing to search for!");
1544                                                         continue;
1545                                                 }
1546
1547                                                 jsonObjectSetKey(
1548                                                         jsonObjectGetIndex(fake_params, 0),
1549                                                         osrfHashGet(kid_link, "key"),
1550                                                         jsonNewObject( search_key )
1551                                                 );
1552
1553                                                 free(search_key);
1554
1555
1556                                                 jsonObjectSetKey(
1557                                                         jsonObjectGetIndex(fake_params, 1),
1558                                                         "flesh",
1559                                                         jsonNewNumberObject( (double)(x - 1 + link_map->size) )
1560                                                 );
1561
1562                                                 if (flesh_blob)
1563                                                         jsonObjectSetKey( jsonObjectGetIndex(fake_params, 1), "flesh_fields", jsonObjectClone(flesh_blob) );
1564
1565                                                 if (jsonObjectGetKey(order_hash, "order_by")) {
1566                                                         jsonObjectSetKey(
1567                                                                 jsonObjectGetIndex(fake_params, 1),
1568                                                                 "order_by",
1569                                                                 jsonObjectClone(jsonObjectGetKey(order_hash, "order_by"))
1570                                                         );
1571                                                 }
1572
1573                                                 if (jsonObjectGetKey(order_hash, "select")) {
1574                                                         jsonObjectSetKey(
1575                                                                 jsonObjectGetIndex(fake_params, 1),
1576                                                                 "select",
1577                                                                 jsonObjectClone(jsonObjectGetKey(order_hash, "select"))
1578                                                         );
1579                                                 }
1580
1581                                                 jsonObject* kids = doSearch(ctx, kid_idl, fake_params, err);
1582
1583                                                 if(*err) {
1584                                                         jsonObjectFree( fake_params );
1585                                                         osrfStringArrayFree(link_fields);
1586                                                         jsonObjectIteratorFree(itr);
1587                                                         jsonObjectFree(res_list);
1588                                                         return jsonNULL;
1589                                                 }
1590
1591                                                 osrfLogDebug(OSRF_LOG_MARK, "Search for %s return %d linked objects", osrfHashGet(kid_link, "class"), kids->size);
1592
1593                                                 jsonObject* X = NULL;
1594                                                 if ( link_map->size > 0 && kids->size > 0 ) {
1595                                                         X = kids;
1596                                                         kids = jsonParseString("[]");
1597
1598                                                         jsonObjectNode* _k_node;
1599                                                         jsonObjectIterator* _k = jsonNewObjectIterator( X );
1600                                                         while ((_k_node = jsonObjectIteratorNext( _k ))) {
1601                                                                 jsonObjectPush(
1602                                                                         kids,
1603                                                                         jsonObjectClone(
1604                                                                                 jsonObjectGetIndex(
1605                                                                                         _k_node->item,
1606                                                                                         (unsigned long)atoi(
1607                                                                                                 osrfHashGet(
1608                                                                                                         osrfHashGet(
1609                                                                                                                 osrfHashGet(
1610                                                                                                                         osrfHashGet(
1611                                                                                                                                 idl,
1612                                                                                                                                 osrfHashGet(kid_link, "class")
1613                                                                                                                         ),
1614                                                                                                                         "fields"
1615                                                                                                                 ),
1616                                                                                                                 osrfStringArrayGetString( link_map, 0 )
1617                                                                                                         ),
1618                                                                                                         "array_position"
1619                                                                                                 )
1620                                                                                         )
1621                                                                                 )
1622                                                                         )
1623                                                                 );
1624                                                         }
1625                                                 }
1626
1627                                                 if (!(strcmp( osrfHashGet(kid_link, "reltype"), "has_a" )) || !(strcmp( osrfHashGet(kid_link, "reltype"), "might_have" ))) {
1628                                                         osrfLogDebug(OSRF_LOG_MARK, "Storing fleshed objects in %s", osrfHashGet(kid_link, "field"));
1629                                                         jsonObjectSetIndex(
1630                                                                 cur->item,
1631                                                                 (unsigned long)atoi( osrfHashGet( field, "array_position" ) ),
1632                                                                 jsonObjectClone( jsonObjectGetIndex(kids, 0) )
1633                                                         );
1634                                                 }
1635
1636                                                 if (!(strcmp( osrfHashGet(kid_link, "reltype"), "has_many" ))) { // has_many
1637                                                         osrfLogDebug(OSRF_LOG_MARK, "Storing fleshed objects in %s", osrfHashGet(kid_link, "field"));
1638                                                         jsonObjectSetIndex(
1639                                                                 cur->item,
1640                                                                 (unsigned long)atoi( osrfHashGet( field, "array_position" ) ),
1641                                                                 jsonObjectClone( kids )
1642                                                         );
1643                                                 }
1644
1645                                                 if (X) {
1646                                                         jsonObjectFree(kids);
1647                                                         kids = X;
1648                                                 }
1649
1650                                                 jsonObjectFree( kids );
1651                                                 jsonObjectFree( fake_params );
1652
1653                                                 osrfLogDebug(OSRF_LOG_MARK, "Fleshing of %s complete", osrfHashGet(kid_link, "field"));
1654                                                 osrfLogDebug(OSRF_LOG_MARK, "%s", jsonObjectToJSON(cur->item));
1655
1656                                         }
1657                                 }
1658                                 jsonObjectFree( flesh_blob );
1659                                 osrfStringArrayFree(link_fields);
1660                                 jsonObjectIteratorFree(itr);
1661                         }
1662                 }
1663         }
1664
1665         return res_list;
1666 }
1667
1668
1669 jsonObject* doUpdate(osrfMethodContext* ctx, int* err ) {
1670
1671         osrfHash* meta = osrfHashGet( (osrfHash*) ctx->method->userData, "class" );
1672         jsonObject* target = jsonObjectGetIndex(ctx->params, 0);
1673
1674         if (!verifyObjectClass(ctx, target)) {
1675                 *err = -1;
1676                 return jsonNULL;
1677         }
1678
1679         if (!osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )) {
1680                 osrfAppSessionStatus(
1681                         ctx->session,
1682                         OSRF_STATUS_BADREQUEST,
1683                         "osrfMethodException",
1684                         ctx->request,
1685                         "No active transaction -- required for UPDATE"
1686                 );
1687                 *err = -1;
1688                 return jsonNULL;
1689         }
1690
1691         dbhandle = writehandle;
1692
1693         char* trans_id = osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" );
1694
1695         // Set the last_xact_id
1696         osrfHash* last_xact_id;
1697         if ((last_xact_id = oilsIDLFindPath("/%s/fields/last_xact_id", target->classname))) {
1698                 int index = atoi( osrfHashGet(last_xact_id, "array_position") );
1699                 osrfLogDebug(OSRF_LOG_MARK, "Setting last_xact_id to %s on %s at position %d", trans_id, target->classname, index);
1700                 jsonObjectSetIndex(target, index, jsonNewObject(trans_id));
1701         }
1702
1703         char* pkey = osrfHashGet(meta, "primarykey");
1704         osrfHash* fields = osrfHashGet(meta, "fields");
1705
1706         char* id =
1707                 jsonObjectToSimpleString(
1708                         jsonObjectGetIndex(
1709                                 target,
1710                                 atoi( osrfHashGet( osrfHashGet( fields, pkey ), "array_position" ) )
1711                         )
1712                 );
1713
1714         osrfLogDebug(
1715                 OSRF_LOG_MARK,
1716                 "%s updating %s object with %s = %s",
1717                 MODULENAME,
1718                 osrfHashGet(meta, "fieldmapper"),
1719                 pkey,
1720                 id
1721         );
1722
1723         growing_buffer* sql = buffer_init(128);
1724         buffer_fadd(sql,"UPDATE %s SET", osrfHashGet(meta, "tablename"));
1725
1726         int i = 0;
1727         int first = 1;
1728         char* field_name;
1729         osrfStringArray* field_list = osrfHashKeys( fields );
1730         while ( (field_name = osrfStringArrayGetString(field_list, i++)) ) {
1731
1732                 osrfHash* field = osrfHashGet( fields, field_name );
1733
1734                 if(!( strcmp( field_name, pkey ) )) continue;
1735                 if(!( strcmp( osrfHashGet(osrfHashGet(fields,field_name), "virtual"), "true" ) )) continue;
1736
1737                 jsonObject* field_object = jsonObjectGetIndex( target, atoi(osrfHashGet(field, "array_position")) );
1738
1739                 char* value;
1740                 if (field_object && field_object->classname) {
1741                         value = jsonObjectToSimpleString(
1742                                         jsonObjectGetIndex(
1743                                                 field_object,
1744                                                 atoi(
1745                                                         osrfHashGet(
1746                                                                 osrfHashGet(
1747                                                                         oilsIDLFindPath("/%s/fields", field_object->classname),
1748                                                                         (char*)oilsIDLFindPath("/%s/primarykey", field_object->classname)
1749                                                                 ),
1750                                                                 "array_position"
1751                                                         )
1752                                                 )
1753                                         )
1754                                 );
1755
1756                 } else {
1757                         value = jsonObjectToSimpleString( field_object );
1758                 }
1759
1760                 osrfLogDebug( OSRF_LOG_MARK, "Updating %s object with %s = %s", osrfHashGet(meta, "fieldmapper"), field_name, value);
1761
1762                 if (!field_object || field_object->type == JSON_NULL) {
1763                         if ( !(!( strcmp( osrfHashGet(meta, "classname"), "au" ) ) && !( strcmp( field_name, "passwd" ) )) ) { // arg at the special case!
1764                                 if (first) first = 0;
1765                                 else buffer_add(sql, ",");
1766                                 buffer_fadd( sql, " %s = NULL", field_name );
1767                         }
1768
1769                 } else if ( !strcmp(osrfHashGet(field, "primitive"), "number") ) {
1770                         if (first) first = 0;
1771                         else buffer_add(sql, ",");
1772
1773                         if ( !strncmp(osrfHashGet(field, "datatype"), "INT", (size_t)3) ) {
1774                                 buffer_fadd( sql, " %s = %ld", field_name, atol(value) );
1775                         } else if ( !strcmp(osrfHashGet(field, "datatype"), "NUMERIC") ) {
1776                                 buffer_fadd( sql, " %s = %f", field_name, atof(value) );
1777                         }
1778
1779                         osrfLogDebug( OSRF_LOG_MARK, "%s is of type %s", field_name, osrfHashGet(field, "datatype"));
1780
1781                 } else {
1782                         if ( dbi_conn_quote_string(dbhandle, &value) ) {
1783                                 if (first) first = 0;
1784                                 else buffer_add(sql, ",");
1785                                 buffer_fadd( sql, " %s = %s", field_name, value );
1786
1787                         } else {
1788                                 osrfLogError(OSRF_LOG_MARK, "%s: Error quoting string [%s]", MODULENAME, value);
1789                                 osrfAppSessionStatus(
1790                                         ctx->session,
1791                                         OSRF_STATUS_INTERNALSERVERERROR,
1792                                         "osrfMethodException",
1793                                         ctx->request,
1794                                         "Error quoting string -- please see the error log for more details"
1795                                 );
1796                                 free(value);
1797                                 free(id);
1798                                 buffer_free(sql);
1799                                 *err = -1;
1800                                 return jsonNULL;
1801                         }
1802                 }
1803
1804                 free(value);
1805
1806         }
1807
1808         jsonObject* obj = jsonParseString(id);
1809
1810         if ( strcmp( osrfHashGet( osrfHashGet( osrfHashGet(meta, "fields"), pkey ), "primitive" ), "number" ) )
1811                 dbi_conn_quote_string(dbhandle, &id);
1812
1813         buffer_fadd( sql, " WHERE %s = %s;", pkey, id );
1814
1815         char* query = buffer_data(sql);
1816         buffer_free(sql);
1817
1818         osrfLogDebug(OSRF_LOG_MARK, "%s: Update SQL [%s]", MODULENAME, query);
1819
1820         dbi_result result = dbi_conn_query(dbhandle, query);
1821         free(query);
1822
1823         if (!result) {
1824                 jsonObjectFree(obj);
1825                 obj = jsonNewObject(NULL);
1826                 osrfLogError(
1827                         OSRF_LOG_MARK,
1828                         "%s ERROR updating %s object with %s = %s",
1829                         MODULENAME,
1830                         osrfHashGet(meta, "fieldmapper"),
1831                         pkey,
1832                         id
1833                 );
1834         }
1835
1836         free(id);
1837
1838         return obj;
1839 }
1840
1841 jsonObject* doDelete(osrfMethodContext* ctx, int* err ) {
1842
1843         osrfHash* meta = osrfHashGet( (osrfHash*) ctx->method->userData, "class" );
1844
1845         if (!osrfHashGet( (osrfHash*)ctx->session->userData, "xact_id" )) {
1846                 osrfAppSessionStatus(
1847                         ctx->session,
1848                         OSRF_STATUS_BADREQUEST,
1849                         "osrfMethodException",
1850                         ctx->request,
1851                         "No active transaction -- required for DELETE"
1852                 );
1853                 *err = -1;
1854                 return jsonNULL;
1855         }
1856
1857         dbhandle = writehandle;
1858
1859         jsonObject* obj;
1860
1861         char* pkey = osrfHashGet(meta, "primarykey");
1862
1863         char* id;
1864         if (jsonObjectGetIndex(ctx->params, 0)->classname) {
1865                 if (!verifyObjectClass(ctx, jsonObjectGetIndex( ctx->params, 0 ))) {
1866                         *err = -1;
1867                         return jsonNULL;
1868                 }
1869
1870                 id = jsonObjectToSimpleString(
1871                         jsonObjectGetIndex(
1872                                 jsonObjectGetIndex(ctx->params, 0),
1873                                 atoi( osrfHashGet( osrfHashGet( osrfHashGet(meta, "fields"), pkey ), "array_position") )
1874                         )
1875                 );
1876         } else {
1877                 id = jsonObjectToSimpleString(jsonObjectGetIndex(ctx->params, 0));
1878         }
1879
1880         osrfLogDebug(
1881                 OSRF_LOG_MARK,
1882                 "%s deleting %s object with %s = %s",
1883                 MODULENAME,
1884                 osrfHashGet(meta, "fieldmapper"),
1885                 pkey,
1886                 id
1887         );
1888
1889         obj = jsonParseString(id);
1890
1891         if ( strcmp( osrfHashGet( osrfHashGet( osrfHashGet(meta, "fields"), pkey ), "primitive" ), "number" ) )
1892                 dbi_conn_quote_string(writehandle, &id);
1893
1894         dbi_result result = dbi_conn_queryf(writehandle, "DELETE FROM %s WHERE %s = %s;", osrfHashGet(meta, "tablename"), pkey, id);
1895
1896         if (!result) {
1897                 jsonObjectFree(obj);
1898                 obj = jsonNewObject(NULL);
1899                 osrfLogError(
1900                         OSRF_LOG_MARK,
1901                         "%s ERROR deleting %s object with %s = %s",
1902                         MODULENAME,
1903                         osrfHashGet(meta, "fieldmapper"),
1904                         pkey,
1905                         id
1906                 );
1907         }
1908
1909         free(id);
1910
1911         return obj;
1912
1913 }
1914
1915
1916 jsonObject* oilsMakeJSONFromResult( dbi_result result, osrfHash* meta) {
1917         if(!(result && meta)) return jsonNULL;
1918
1919         jsonObject* object = jsonParseString("[]");
1920         jsonObjectSetClass(object, osrfHashGet(meta, "classname"));
1921
1922         osrfHash* fields = osrfHashGet(meta, "fields");
1923
1924         osrfLogInternal(OSRF_LOG_MARK, "Setting object class to %s ", object->classname);
1925
1926         osrfHash* _f;
1927         time_t _tmp_dt;
1928         char dt_string[256];
1929         struct tm gmdt;
1930
1931         int fmIndex;
1932         int columnIndex = 1;
1933         int attr;
1934         unsigned short type;
1935         const char* columnName;
1936
1937         /* cycle through the column list */
1938         while( (columnName = dbi_result_get_field_name(result, columnIndex++)) ) {
1939
1940                 osrfLogInternal(OSRF_LOG_MARK, "Looking for column named [%s]...", (char*)columnName);
1941
1942                 fmIndex = -1; // reset the position
1943
1944                 /* determine the field type and storage attributes */
1945                 type = dbi_result_get_field_type(result, columnName);
1946                 attr = dbi_result_get_field_attribs(result, columnName);
1947
1948                 /* fetch the fieldmapper index */
1949                 if( (_f = osrfHashGet(fields, (char*)columnName)) ) {
1950                         char* virt = (char*)osrfHashGet(_f, "virtual");
1951                         char* pos = (char*)osrfHashGet(_f, "array_position");
1952
1953                         if ( !virt || !pos || !(strcmp( virt, "true" )) ) continue;
1954
1955                         fmIndex = atoi( pos );
1956                         osrfLogInternal(OSRF_LOG_MARK, "... Found column at position [%s]...", pos);
1957                 } else {
1958                         continue;
1959                 }
1960
1961                 if (dbi_result_field_is_null(result, columnName)) {
1962                         jsonObjectSetIndex( object, fmIndex, jsonNewObject(NULL) );
1963                 } else {
1964
1965                         switch( type ) {
1966
1967                                 case DBI_TYPE_INTEGER :
1968
1969                                         if( attr & DBI_INTEGER_SIZE8 )
1970                                                 jsonObjectSetIndex( object, fmIndex,
1971                                                         jsonNewNumberObject(dbi_result_get_longlong(result, columnName)));
1972                                         else
1973                                                 jsonObjectSetIndex( object, fmIndex,
1974                                                         jsonNewNumberObject(dbi_result_get_long(result, columnName)));
1975
1976                                         break;
1977
1978                                 case DBI_TYPE_DECIMAL :
1979                                         jsonObjectSetIndex( object, fmIndex,
1980                                                         jsonNewNumberObject(dbi_result_get_double(result, columnName)));
1981                                         break;
1982
1983                                 case DBI_TYPE_STRING :
1984
1985
1986                                         jsonObjectSetIndex(
1987                                                 object,
1988                                                 fmIndex,
1989                                                 jsonNewObject( dbi_result_get_string(result, columnName) )
1990                                         );
1991
1992                                         break;
1993
1994                                 case DBI_TYPE_DATETIME :
1995
1996                                         memset(dt_string, '\0', 256);
1997                                         memset(&gmdt, '\0', sizeof(gmdt));
1998                                         memset(&_tmp_dt, '\0', sizeof(_tmp_dt));
1999
2000                                         _tmp_dt = dbi_result_get_datetime(result, columnName);
2001
2002                                         localtime_r( &_tmp_dt, &gmdt );
2003
2004                                         if (!(attr & DBI_DATETIME_DATE)) {
2005                                                 strftime(dt_string, 255, "%T", &gmdt);
2006                                         } else if (!(attr & DBI_DATETIME_TIME)) {
2007                                                 strftime(dt_string, 255, "%F", &gmdt);
2008                                         } else {
2009                                                 strftime(dt_string, 255, "%FT%T%z", &gmdt);
2010                                         }
2011
2012                                         jsonObjectSetIndex( object, fmIndex, jsonNewObject(dt_string) );
2013
2014                                         break;
2015
2016                                 case DBI_TYPE_BINARY :
2017                                         osrfLogError( OSRF_LOG_MARK,
2018                                                 "Can't do binary at column %s : index %d", columnName, columnIndex - 1);
2019                         }
2020                 }
2021         }
2022
2023         return object;
2024 }
2025