CRM/Contact/Form/Task/Merge.php

   1 <?php
   2 /*
   3  +--------------------------------------------------------------------+
   4  | CiviCRM version 4.4                                                |
   5  +--------------------------------------------------------------------+
   6  | Copyright CiviCRM LLC (c) 2004-2013                                |
   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) 2004-2013
  32  * $Id$
  33  *
  34  */
  35
  36 /**
  37  * This class provides the functionality to Merge Contacts.
  38  *
  39  */
  40 class CRM_Contact_Form_Task_Merge extends CRM_Contact_Form_Task {
  41
  42   /**
  43    * build all the data structures needed to build the form
  44    *
  45    * @return void
  46    * @access public
  47    */
  48   function preProcess() {
  49     parent::preProcess();
  50     $statusMsg = NULL;
  51     $contactIds = array();
  52     if (is_array($this->_contactIds)) {
  53       $contactIds = array_unique($this->_contactIds);
  54     }
  55     if (count($contactIds) != 2) {
  56       $statusMsg = ts('Merge operation requires selecting two contacts.');
  57     }
  58
  59     // do check for same contact type.
  60     $contactTypes = array();
  61     if (!$statusMsg) {
  62       $sql = "SELECT contact_type FROM civicrm_contact WHERE id IN (" . implode(',', $contactIds) . ")";
  63       $contact = CRM_Core_DAO::executeQuery($sql);
  64       while ($contact->fetch()) {
  65         $contactTypes[$contact->contact_type] = TRUE;
  66         if (count($contactTypes) > 1)
  67         break;
  68       }
  69       if (count($contactTypes) > 1) {
  70         $statusMsg = ts('Selected records must all be the same contact type (i.e. all Individuals).');
  71       }
  72     }
  73     if ($statusMsg) {
  74       CRM_Core_Error::statusBounce($statusMsg);
  75     }
  76
  77     // redirect to merge form directly.
  78     $cid = $contactIds[0];
  79     $oid = $contactIds[1];
  80
  81     //don't allow to delete logged in user.
  82     $session = CRM_Core_Session::singleton();
  83     if ($oid == $session->get('userID')) {
  84       $oid = $cid;
  85       $cid = $session->get('userID');
  86     }
  87
  88     $url = CRM_Utils_System::url('civicrm/contact/merge', "reset=1&cid={$cid}&oid={$oid}");
  89
  90     // redirect to merge page.
  91     CRM_Utils_System::redirect($url);
  92   }
  93 }
  94