CRM/Contact/Form/Task/Merge.php

   1 <?php
   2 /*
   3  +--------------------------------------------------------------------+
   4  | Copyright CiviCRM LLC. All rights reserved.                        |
   5  |                                                                    |
   6  | This work is published under the GNU AGPLv3 license with some      |
   7  | permitted exceptions and without any warranty. For full license    |
   8  | and copyright information, see https://civicrm.org/licensing       |
   9  +--------------------------------------------------------------------+
  10  */
  11
  12 /**
  13  *
  14  * @package CRM
  15  * @copyright CiviCRM LLC https://civicrm.org/licensing
  16  */
  17
  18 /**
  19  * This class provides the functionality to Merge contacts.
  20  */
  21 class CRM_Contact_Form_Task_Merge extends CRM_Contact_Form_Task {
  22
  23   /**
  24    * Build all the data structures needed to build the form.
  25    */
  26   public function preProcess() {
  27     parent::preProcess();
  28     $statusMsg = NULL;
  29     $contactIds = [];
  30     if (is_array($this->_contactIds)) {
  31       $contactIds = array_unique($this->_contactIds);
  32     }
  33     if (count($contactIds) != 2) {
  34       $statusMsg = ts('Merge operation requires selecting two contacts.');
  35     }
  36
  37     // do check for same contact type.
  38     $contactTypes = [];
  39     if (!$statusMsg) {
  40       $sql = "SELECT contact_type FROM civicrm_contact WHERE id IN (" . implode(',', $contactIds) . ")";
  41       $contact = CRM_Core_DAO::executeQuery($sql);
  42       while ($contact->fetch()) {
  43         $contactTypes[$contact->contact_type] = TRUE;
  44         if (count($contactTypes) > 1) {
  45           break;
  46         }
  47       }
  48       if (count($contactTypes) > 1) {
  49         $statusMsg = ts('Selected records must all be the same contact type (i.e. all Individuals).');
  50       }
  51     }
  52     if ($statusMsg) {
  53       CRM_Core_Error::statusBounce($statusMsg);
  54     }
  55
  56     // redirect to merge form directly.
  57     $cid = $contactIds[0];
  58     $oid = $contactIds[1];
  59
  60     //don't allow to delete logged in user.
  61     $session = CRM_Core_Session::singleton();
  62     if ($oid == $session->get('userID')) {
  63       $oid = $cid;
  64       $cid = $session->get('userID');
  65     }
  66
  67     $url = CRM_Utils_System::url('civicrm/contact/merge', "reset=1&cid={$cid}&oid={$oid}");
  68
  69     // redirect to merge page.
  70     CRM_Utils_System::redirect($url);
  71   }
  72
  73 }