CRM/Core/BAO/CustomValueTable.php

   1 <?php
   2 /*
   3  +--------------------------------------------------------------------+
   4  | CiviCRM version 4.7                                                |
   5  +--------------------------------------------------------------------+
   6  | Copyright CiviCRM LLC (c) 2004-2015                                |
   7  +--------------------------------------------------------------------+
   8  | This file is a part of CiviCRM.                                    |
   9  |                                                                    |
  10  | CiviCRM is free software; you can copy, modify, and distribute it  |
  11  | under the terms of the GNU Affero General Public License           |
  12  | Version 3, 19 November 2007 and the CiviCRM Licensing Exception.   |
  13  |                                                                    |
  14  | CiviCRM is distributed in the hope that it will be useful, but     |
  15  | WITHOUT ANY WARRANTY; without even the implied warranty of         |
  16  | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.               |
  17  | See the GNU Affero General Public License for more details.        |
  18  |                                                                    |
  19  | You should have received a copy of the GNU Affero General Public   |
  20  | License and the CiviCRM Licensing Exception along                  |
  21  | with this program; if not, contact CiviCRM LLC                     |
  22  | at info[AT]civicrm[DOT]org. If you have questions about the        |
  23  | GNU Affero General Public License or the licensing of CiviCRM,     |
  24  | see the CiviCRM license FAQ at http://civicrm.org/licensing        |
  25  +--------------------------------------------------------------------+
  26  */
  27
  28 /**
  29  *
  30  * @package CRM
  31  * @copyright CiviCRM LLC (c) 2004-2015
  32  * $Id$
  33  *
  34  */
  35 class CRM_Core_BAO_CustomValueTable {
  36
  37   /**
  38    * @param array $customParams
  39    *
  40    * @throws Exception
  41    */
  42   public static function create(&$customParams) {
  43     if (empty($customParams) ||
  44       !is_array($customParams)
  45     ) {
  46       return;
  47     }
  48
  49     foreach ($customParams as $tableName => $tables) {
  50       foreach ($tables as $index => $fields) {
  51         $sqlOP = NULL;
  52         $hookID = NULL;
  53         $hookOP = NULL;
  54         $entityID = NULL;
  55         $isMultiple = FALSE;
  56         $set = array();
  57         $params = array();
  58         $count = 1;
  59         foreach ($fields as $field) {
  60           if (!$sqlOP) {
  61             $entityID = $field['entity_id'];
  62             $hookID = $field['custom_group_id'];
  63             $isMultiple = $field['is_multiple'];
  64             if (array_key_exists('id', $field)) {
  65               $sqlOP = "UPDATE $tableName ";
  66               $where = " WHERE  id = %{$count}";
  67               $params[$count] = array($field['id'], 'Integer');
  68               $count++;
  69               $hookOP = 'edit';
  70             }
  71             else {
  72               $sqlOP = "INSERT INTO $tableName ";
  73               $where = NULL;
  74               $hookOP = 'create';
  75             }
  76           }
  77
  78           // fix the value before we store it
  79           $value = $field['value'];
  80           $type = $field['type'];
  81           switch ($type) {
  82             case 'StateProvince':
  83               $type = 'Integer';
  84               if (is_array($value)) {
  85                 $value = CRM_Core_DAO::VALUE_SEPARATOR . implode(CRM_Core_DAO::VALUE_SEPARATOR, $value) . CRM_Core_DAO::VALUE_SEPARATOR;
  86                 $type = 'String';
  87               }
  88               elseif (!is_numeric($value) && !strstr($value, CRM_Core_DAO::VALUE_SEPARATOR)) {
  89                 //fix for multi select state, CRM-3437
  90                 $mulValues = explode(',', $value);
  91                 $validStates = array();
  92                 foreach ($mulValues as $key => $stateVal) {
  93                   $states = array();
  94                   $states['state_province'] = trim($stateVal);
  95
  96                   CRM_Utils_Array::lookupValue($states, 'state_province',
  97                     CRM_Core_PseudoConstant::stateProvince(), TRUE
  98                   );
  99                   if (empty($states['state_province_id'])) {
 100                     CRM_Utils_Array::lookupValue($states, 'state_province',
 101                       CRM_Core_PseudoConstant::stateProvinceAbbreviation(), TRUE
 102                     );
 103                   }
 104                   $validStates[] = CRM_Utils_Array::value('state_province_id', $states);
 105                 }
 106                 $value = implode(CRM_Core_DAO::VALUE_SEPARATOR,
 107                   $validStates
 108                 );
 109                 $type = 'String';
 110               }
 111               elseif (!$value) {
 112                 // CRM-3415
 113                 // using type of timestamp allows us to sneak in a null into db
 114                 // gross but effective hack
 115                 $value = NULL;
 116                 $type = 'Timestamp';
 117               }
 118               else {
 119                 $type = 'String';
 120               }
 121               break;
 122
 123             case 'Country':
 124               $type = 'Integer';
 125               $mulValues = explode(',', $value);
 126               if (is_array($value)) {
 127                 $value = CRM_Core_DAO::VALUE_SEPARATOR . implode(CRM_Core_DAO::VALUE_SEPARATOR, $value) . CRM_Core_DAO::VALUE_SEPARATOR;
 128                 $type = 'String';
 129               }
 130               elseif (!is_numeric($value) && !strstr($value, CRM_Core_DAO::VALUE_SEPARATOR)) {
 131                 //fix for multi select country, CRM-3437
 132                 $mulValues = explode(',', $value);
 133                 $validCountries = array();
 134                 foreach ($mulValues as $key => $countryVal) {
 135                   $countries = array();
 136                   $countries['country'] = trim($countryVal);
 137                   CRM_Utils_Array::lookupValue($countries, 'country',
 138                     CRM_Core_PseudoConstant::country(), TRUE
 139                   );
 140                   if (empty($countries['country_id'])) {
 141                     CRM_Utils_Array::lookupValue($countries, 'country',
 142                       CRM_Core_PseudoConstant::countryIsoCode(), TRUE
 143                     );
 144                   }
 145                   $validCountries[] = CRM_Utils_Array::value('country_id', $states);
 146                 }
 147                 $value = implode(CRM_Core_DAO::VALUE_SEPARATOR,
 148                   $validCountries
 149                 );
 150                 $type = 'String';
 151               }
 152               elseif (!$value) {
 153                 // CRM-3415
 154                 // using type of timestamp allows us to sneak in a null into db
 155                 // gross but effective hack
 156                 $value = NULL;
 157                 $type = 'Timestamp';
 158               }
 159               else {
 160                 $type = 'String';
 161               }
 162               break;
 163
 164             case 'File':
 165               if (!$field['file_id']) {
 166                 CRM_Core_Error::fatal();
 167               }
 168
 169               // need to add/update civicrm_entity_file
 170               $entityFileDAO = new CRM_Core_DAO_EntityFile();
 171               $entityFileDAO->file_id = $field['file_id'];
 172               $entityFileDAO->find(TRUE);
 173
 174               $entityFileDAO->entity_table = $field['table_name'];
 175               $entityFileDAO->entity_id = $field['entity_id'];
 176               $entityFileDAO->file_id = $field['file_id'];
 177               $entityFileDAO->save();
 178               $entityFileDAO->free();
 179               $value = $field['file_id'];
 180               $type = 'String';
 181               break;
 182
 183             case 'Date':
 184               $value = CRM_Utils_Date::isoToMysql($value);
 185               break;
 186
 187             case 'Int':
 188               if (is_numeric($value)) {
 189                 $type = 'Integer';
 190               }
 191               else {
 192                 $type = 'Timestamp';
 193               }
 194               break;
 195
 196             case 'ContactReference':
 197               if ($value == NULL) {
 198                 $type = 'Timestamp';
 199               }
 200               else {
 201                 $type = 'Integer';
 202               }
 203               break;
 204
 205             case 'RichTextEditor':
 206               $type = 'String';
 207               break;
 208
 209             case 'Boolean':
 210               //fix for CRM-3290
 211               $value = CRM_Utils_String::strtoboolstr($value);
 212               if ($value === FALSE) {
 213                 $type = 'Timestamp';
 214               }
 215               break;
 216
 217             default:
 218               break;
 219           }
 220           if (strtolower($value) === "null") {
 221             // when unsetting a value to null, we don't need to validate the type
 222             // https://projectllr.atlassian.net/browse/VGQBMP-20
 223             $set[$field['column_name']] = $value;
 224           }
 225           else {
 226             $set[$field['column_name']] = "%{$count}";
 227             $params[$count] = array($value, $type);
 228             $count++;
 229           }
 230         }
 231
 232         if (!empty($set)) {
 233           $setClause = array();
 234           foreach ($set as $n => $v) {
 235             $setClause[] = "$n = $v";
 236           }
 237           $setClause = implode(',', $setClause);
 238           if (!$where) {
 239             // do this only for insert
 240             $set['entity_id'] = "%{$count}";
 241             $params[$count] = array($entityID, 'Integer');
 242             $count++;
 243
 244             $fieldNames = implode(',', array_keys($set));
 245             $fieldValues = implode(',', array_values($set));
 246             $query = "$sqlOP ( $fieldNames ) VALUES ( $fieldValues )";
 247             // for multiple values we dont do on duplicate key update
 248             if (!$isMultiple) {
 249               $query .= " ON DUPLICATE KEY UPDATE $setClause";
 250             }
 251           }
 252           else {
 253             $query = "$sqlOP SET $setClause $where";
 254           }
 255           $dao = CRM_Core_DAO::executeQuery($query, $params);
 256
 257           CRM_Utils_Hook::custom($hookOP,
 258             $hookID,
 259             $entityID,
 260             $fields
 261           );
 262         }
 263       }
 264     }
 265   }
 266
 267   /**
 268    * Given a field return the mysql data type associated with it.
 269    *
 270    * @param string $type
 271    * @param int $maxLength
 272    *
 273    * @return string
 274    *   the mysql data store placeholder
 275    */
 276   public static function fieldToSQLType($type, $maxLength = 255) {
 277     if (!isset($maxLength) ||
 278       !is_numeric($maxLength) ||
 279       $maxLength <= 0
 280     ) {
 281       $maxLength = 255;
 282     }
 283
 284     switch ($type) {
 285       case 'String':
 286       case 'Link':
 287         return "varchar($maxLength)";
 288
 289       case 'Boolean':
 290         return 'tinyint';
 291
 292       case 'Int':
 293         return 'int';
 294
 295       // the below three are FK's, and have constraints added to them
 296
 297       case 'ContactReference':
 298       case 'StateProvince':
 299       case 'Country':
 300       case 'File':
 301         return 'int unsigned';
 302
 303       case 'Float':
 304         return 'double';
 305
 306       case 'Money':
 307         return 'decimal(20,2)';
 308
 309       case 'Memo':
 310       case 'RichTextEditor':
 311         return 'text';
 312
 313       case 'Date':
 314         return 'datetime';
 315
 316       default:
 317         CRM_Core_Error::fatal();
 318     }
 319   }
 320
 321   /**
 322    * @param array $params
 323    * @param $entityTable
 324    * @param int $entityID
 325    */
 326   public static function store(&$params, $entityTable, $entityID) {
 327     $cvParams = array();
 328     foreach ($params as $fieldID => $param) {
 329       foreach ($param as $index => $customValue) {
 330         $cvParam = array(
 331           'entity_table' => $entityTable,
 332           'entity_id' => $entityID,
 333           'value' => $customValue['value'],
 334           'type' => $customValue['type'],
 335           'custom_field_id' => $customValue['custom_field_id'],
 336           'custom_group_id' => $customValue['custom_group_id'],
 337           'table_name' => $customValue['table_name'],
 338           'column_name' => $customValue['column_name'],
 339           'is_multiple' => CRM_Utils_Array::value('is_multiple', $customValue),
 340           'file_id' => $customValue['file_id'],
 341         );
 342
 343         // Fix Date type to be timestamp, since that is how we store in db.
 344         if ($cvParam['type'] == 'Date') {
 345           $cvParam['type'] = 'Timestamp';
 346         }
 347
 348         if (!empty($customValue['id'])) {
 349           $cvParam['id'] = $customValue['id'];
 350         }
 351         if (!array_key_exists($customValue['table_name'], $cvParams)) {
 352           $cvParams[$customValue['table_name']] = array();
 353         }
 354
 355         if (!array_key_exists($index, $cvParams[$customValue['table_name']])) {
 356           $cvParams[$customValue['table_name']][$index] = array();
 357         }
 358
 359         $cvParams[$customValue['table_name']][$index][] = $cvParam;
 360       }
 361     }
 362     if (!empty($cvParams)) {
 363       self::create($cvParams);
 364     }
 365   }
 366
 367   /**
 368    * Post process function.
 369    *
 370    * @param array $params
 371    * @param $entityTable
 372    * @param int $entityID
 373    * @param $customFieldExtends
 374    */
 375   public static function postProcess(&$params, $entityTable, $entityID, $customFieldExtends) {
 376     $customData = CRM_Core_BAO_CustomField::postProcess($params,
 377       $entityID,
 378       $customFieldExtends
 379     );
 380
 381     if (!empty($customData)) {
 382       self::store($customData, $entityTable, $entityID);
 383     }
 384   }
 385
 386   /**
 387    * Return an array of all custom values associated with an entity.
 388    *
 389    * @param int $entityID
 390    *   Identification number of the entity.
 391    * @param string $entityType
 392    *   Type of entity that the entityID corresponds to, specified.
 393    *                                   as a string with format "'<EntityName>'". Comma separated
 394    *                                   list may be used to specify OR matches. Allowable values
 395    *                                   are enumerated types in civicrm_custom_group.extends field.
 396    *                                   Optional. Default value assumes entityID references a
 397    *                                   contact entity.
 398    * @param array $fieldIDs
 399    *   Optional list of fieldIDs that we want to retrieve. If this.
 400    *                                   is set the entityType is ignored
 401    *
 402    * @param bool $formatMultiRecordField
 403    * @param array $DTparams - CRM-17810 dataTable params for the multiValued custom fields.
 404    *
 405    * @return array
 406    *   Array of custom values for the entity with key=>value
 407    *                                   pairs specified as civicrm_custom_field.id => custom value.
 408    *                                   Empty array if no custom values found.
 409    */
 410   public static function &getEntityValues($entityID, $entityType = NULL, $fieldIDs = NULL, $formatMultiRecordField = FALSE, $DTparams = NULL) {
 411     if (!$entityID) {
 412       // adding this here since an empty contact id could have serious repurcussions
 413       // like looping forever
 414       CRM_Core_Error::fatal('Please file an issue with the backtrace');
 415       return NULL;
 416     }
 417
 418     $cond = array();
 419     if ($entityType) {
 420       $cond[] = "cg.extends IN ( '$entityType' )";
 421     }
 422     if ($fieldIDs &&
 423       is_array($fieldIDs)
 424     ) {
 425       $fieldIDList = implode(',', $fieldIDs);
 426       $cond[] = "cf.id IN ( $fieldIDList )";
 427     }
 428     if (empty($cond)) {
 429       $cond[] = "cg.extends IN ( 'Contact', 'Individual', 'Household', 'Organization' )";
 430     }
 431     $cond = implode(' AND ', $cond);
 432
 433     $limit = '';
 434     if (!empty($DTparams['rowCount']) && $DTparams['rowCount'] > 0) {
 435       $limit = " LIMIT " . CRM_Utils_Type::escape($DTparams['offset'], 'Integer') . ", " . CRM_Utils_Type::escape($DTparams['rowCount'], 'Integer');
 436     }
 437
 438     $orderBy = '';
 439     if (!empty($DTparams['sort'])) {
 440       $orderBy = ' ORDER BY ' . CRM_Utils_Type::escape($DTparams['sort'], 'String');
 441     }
 442
 443     // First find all the fields that extend this type of entity.
 444     $query = "
 445 SELECT cg.table_name,
 446        cg.id as groupID,
 447        cg.is_multiple,
 448        cf.column_name,
 449        cf.id as fieldID,
 450        cf.data_type as fieldDataType
 451 FROM   civicrm_custom_group cg,
 452        civicrm_custom_field cf
 453 WHERE  cf.custom_group_id = cg.id
 454 AND    cg.is_active = 1
 455 AND    cf.is_active = 1
 456 AND    $cond
 457 ";
 458     $dao = CRM_Core_DAO::executeQuery($query);
 459
 460     $select = $fields = $isMultiple = array();
 461
 462     while ($dao->fetch()) {
 463       if (!array_key_exists($dao->table_name, $select)) {
 464         $fields[$dao->table_name] = array();
 465         $select[$dao->table_name] = array();
 466       }
 467       $fields[$dao->table_name][] = $dao->fieldID;
 468       $select[$dao->table_name][] = "{$dao->column_name} AS custom_{$dao->fieldID}";
 469       $isMultiple[$dao->table_name] = $dao->is_multiple ? TRUE : FALSE;
 470       $file[$dao->table_name][$dao->fieldID] = $dao->fieldDataType;
 471     }
 472
 473     $result = array();
 474     foreach ($select as $tableName => $clauses) {
 475       $query = "SELECT SQL_CALC_FOUND_ROWS id, " . implode(', ', $clauses) . " FROM $tableName WHERE entity_id = $entityID {$orderBy} {$limit}";
 476       $dao = CRM_Core_DAO::executeQuery($query);
 477       $result['count'] = CRM_Core_DAO::singleValueQuery('SELECT FOUND_ROWS()');
 478       while ($dao->fetch()) {
 479         foreach ($fields[$tableName] as $fieldID) {
 480           $fieldName = "custom_{$fieldID}";
 481           if ($isMultiple[$tableName]) {
 482             if ($formatMultiRecordField) {
 483               $result["{$dao->id}"]["{$fieldID}"] = $dao->$fieldName;
 484             }
 485             else {
 486               $result["{$fieldID}_{$dao->id}"] = $dao->$fieldName;
 487             }
 488           }
 489           else {
 490             $result[$fieldID] = $dao->$fieldName;
 491           }
 492         }
 493       }
 494     }
 495     return $result;
 496   }
 497
 498   /**
 499    * Take in an array of entityID, custom_XXX => value
 500    * and set the value in the appropriate table. Should also be able
 501    * to set the value to null. Follows api parameter/return conventions
 502    *
 503    * @array $params
 504    *
 505    * @param array $params
 506    *
 507    * @throws Exception
 508    * @return array
 509    */
 510   public static function setValues(&$params) {
 511
 512     if (!isset($params['entityID']) ||
 513       CRM_Utils_Type::escape($params['entityID'], 'Integer', FALSE) === NULL
 514     ) {
 515       return CRM_Core_Error::createAPIError(ts('entityID needs to be set and of type Integer'));
 516     }
 517
 518     // first collect all the id/value pairs. The format is:
 519     // custom_X => value or custom_X_VALUEID => value (for multiple values), VALUEID == -1, -2 etc for new insertions
 520     $values = array();
 521     $fieldValues = array();
 522     foreach ($params as $n => $v) {
 523       if ($customFieldInfo = CRM_Core_BAO_CustomField::getKeyID($n, TRUE)) {
 524         $fieldID = (int ) $customFieldInfo[0];
 525         if (CRM_Utils_Type::escape($fieldID, 'Integer', FALSE) === NULL) {
 526           return CRM_Core_Error::createAPIError(ts('field ID needs to be of type Integer for index %1',
 527             array(1 => $fieldID)
 528           ));
 529         }
 530         if (!array_key_exists($fieldID, $fieldValues)) {
 531           $fieldValues[$fieldID] = array();
 532         }
 533         $id = -1;
 534         if ($customFieldInfo[1]) {
 535           $id = (int ) $customFieldInfo[1];
 536         }
 537         $fieldValues[$fieldID][] = array(
 538           'value' => $v,
 539           'id' => $id,
 540         );
 541       }
 542     }
 543
 544     $fieldIDList = implode(',', array_keys($fieldValues));
 545
 546     // format it so that we can just use create
 547     $sql = "
 548 SELECT cg.table_name  as table_name ,
 549        cg.id          as cg_id      ,
 550        cg.is_multiple as is_multiple,
 551        cf.column_name as column_name,
 552        cf.id          as cf_id      ,
 553        cf.data_type   as data_type
 554 FROM   civicrm_custom_group cg,
 555        civicrm_custom_field cf
 556 WHERE  cf.custom_group_id = cg.id
 557 AND    cf.id IN ( $fieldIDList )
 558 ";
 559
 560     $dao = CRM_Core_DAO::executeQuery($sql);
 561     $cvParams = array();
 562
 563     while ($dao->fetch()) {
 564       $dataType = $dao->data_type == 'Date' ? 'Timestamp' : $dao->data_type;
 565       foreach ($fieldValues[$dao->cf_id] as $fieldValue) {
 566         // Format null values correctly
 567         if ($fieldValue['value'] === NULL || $fieldValue['value'] === '') {
 568           switch ($dataType) {
 569             case 'String':
 570             case 'Int':
 571             case 'Link':
 572             case 'Boolean':
 573               $fieldValue['value'] = '';
 574               break;
 575
 576             case 'Timestamp':
 577               $fieldValue['value'] = NULL;
 578               break;
 579
 580             case 'StateProvince':
 581             case 'Country':
 582             case 'Money':
 583             case 'Float':
 584               $fieldValue['value'] = (int) 0;
 585               break;
 586           }
 587         }
 588         // Ensure that value is of the right data type
 589         elseif (CRM_Utils_Type::escape($fieldValue['value'], $dataType, FALSE) === NULL) {
 590           return CRM_Core_Error::createAPIError(ts('value: %1 is not of the right field data type: %2',
 591             array(
 592               1 => $fieldValue['value'],
 593               2 => $dao->data_type,
 594             )
 595           ));
 596         }
 597
 598         $cvParam = array(
 599           'entity_id' => $params['entityID'],
 600           'value' => $fieldValue['value'],
 601           'type' => $dataType,
 602           'custom_field_id' => $dao->cf_id,
 603           'custom_group_id' => $dao->cg_id,
 604           'table_name' => $dao->table_name,
 605           'column_name' => $dao->column_name,
 606           'is_multiple' => $dao->is_multiple,
 607         );
 608
 609         if ($cvParam['type'] == 'File') {
 610           $cvParam['file_id'] = $fieldValue['value'];
 611         }
 612
 613         if (!array_key_exists($dao->table_name, $cvParams)) {
 614           $cvParams[$dao->table_name] = array();
 615         }
 616
 617         if (!array_key_exists($fieldValue['id'], $cvParams[$dao->table_name])) {
 618           $cvParams[$dao->table_name][$fieldValue['id']] = array();
 619         }
 620
 621         if ($fieldValue['id'] > 0) {
 622           $cvParam['id'] = $fieldValue['id'];
 623         }
 624         $cvParams[$dao->table_name][$fieldValue['id']][] = $cvParam;
 625       }
 626     }
 627
 628     if (!empty($cvParams)) {
 629       self::create($cvParams);
 630       return array('is_error' => 0, 'result' => 1);
 631     }
 632
 633     return CRM_Core_Error::createAPIError(ts('Unknown error'));
 634   }
 635
 636   /**
 637    * Take in an array of entityID, custom_ID
 638    * and gets the value from the appropriate table.
 639    *
 640    * To get the values of custom fields with IDs 13 and 43 for contact ID 1327, use:
 641    * $params = array( 'entityID' => 1327, 'custom_13' => 1, 'custom_43' => 1 );
 642    *
 643    * Entity Type will be inferred by the custom fields you request
 644    * Specify $params['entityType'] if you do not supply any custom fields to return
 645    * and entity type is other than Contact
 646    *
 647    * @array $params
 648    *
 649    * @param array $params
 650    *
 651    * @throws Exception
 652    * @return array
 653    */
 654   public static function &getValues(&$params) {
 655     if (empty($params)) {
 656       return NULL;
 657     }
 658     if (!isset($params['entityID']) ||
 659       CRM_Utils_Type::escape($params['entityID'],
 660         'Integer', FALSE
 661       ) === NULL
 662     ) {
 663       return CRM_Core_Error::createAPIError(ts('entityID needs to be set and of type Integer'));
 664     }
 665
 666     // first collect all the ids. The format is:
 667     // custom_ID
 668     $fieldIDs = array();
 669     foreach ($params as $n => $v) {
 670       $key = $idx = NULL;
 671       if (substr($n, 0, 7) == 'custom_') {
 672         $idx = substr($n, 7);
 673         if (CRM_Utils_Type::escape($idx, 'Integer', FALSE) === NULL) {
 674           return CRM_Core_Error::createAPIError(ts('field ID needs to be of type Integer for index %1',
 675             array(1 => $idx)
 676           ));
 677         }
 678         $fieldIDs[] = (int ) $idx;
 679       }
 680     }
 681
 682     $default = array('Contact', 'Individual', 'Household', 'Organization');
 683     if (!($type = CRM_Utils_Array::value('entityType', $params)) ||
 684       in_array($params['entityType'], $default)
 685     ) {
 686       $type = NULL;
 687     }
 688     else {
 689       $entities = CRM_Core_SelectValues::customGroupExtends();
 690       if (!array_key_exists($type, $entities)) {
 691         if (in_array($type, $entities)) {
 692           $type = $entities[$type];
 693           if (in_array($type, $default)) {
 694             $type = NULL;
 695           }
 696         }
 697         else {
 698           return CRM_Core_Error::createAPIError(ts('Invalid entity type') . ': "' . $type . '"');
 699         }
 700       }
 701     }
 702
 703     $values = self::getEntityValues($params['entityID'],
 704       $type,
 705       $fieldIDs
 706     );
 707     if (empty($values)) {
 708       // note that this behaviour is undesirable from an API point of view - it should return an empty array
 709       // since this is also called by the merger code & not sure the consequences of changing
 710       // are just handling undoing this in the api layer. ie. converting the error back into a success
 711       $result = array(
 712         'is_error' => 1,
 713         'error_message' => 'No values found for the specified entity ID and custom field(s).',
 714       );
 715       return $result;
 716     }
 717     else {
 718       $result = array(
 719         'is_error' => 0,
 720         'entityID' => $params['entityID'],
 721       );
 722       foreach ($values as $id => $value) {
 723         $result["custom_{$id}"] = $value;
 724       }
 725       return $result;
 726     }
 727   }
 728
 729 }