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

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