CRM/Contact/Form/Task/Merge.php

   1 <?php
   2 /*
   3  +--------------------------------------------------------------------+
   4  | CiviCRM version 5                                                  |
   5  +--------------------------------------------------------------------+
   6  | Copyright CiviCRM LLC (c) 2004-2020                                |
   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) 2004-2020
  32  */
  33
  34 /**
  35  * This class provides the functionality to Merge contacts.
  36  */
  37 class CRM_Contact_Form_Task_Merge extends CRM_Contact_Form_Task {
  38
  39   /**
  40    * Build all the data structures needed to build the form.
  41    */
  42   public function preProcess() {
  43     parent::preProcess();
  44     $statusMsg = NULL;
  45     $contactIds = [];
  46     if (is_array($this->_contactIds)) {
  47       $contactIds = array_unique($this->_contactIds);
  48     }
  49     if (count($contactIds) != 2) {
  50       $statusMsg = ts('Merge operation requires selecting two contacts.');
  51     }
  52
  53     // do check for same contact type.
  54     $contactTypes = [];
  55     if (!$statusMsg) {
  56       $sql = "SELECT contact_type FROM civicrm_contact WHERE id IN (" . implode(',', $contactIds) . ")";
  57       $contact = CRM_Core_DAO::executeQuery($sql);
  58       while ($contact->fetch()) {
  59         $contactTypes[$contact->contact_type] = TRUE;
  60         if (count($contactTypes) > 1) {
  61           break;
  62         }
  63       }
  64       if (count($contactTypes) > 1) {
  65         $statusMsg = ts('Selected records must all be the same contact type (i.e. all Individuals).');
  66       }
  67     }
  68     if ($statusMsg) {
  69       CRM_Core_Error::statusBounce($statusMsg);
  70     }
  71
  72     // redirect to merge form directly.
  73     $cid = $contactIds[0];
  74     $oid = $contactIds[1];
  75
  76     //don't allow to delete logged in user.
  77     $session = CRM_Core_Session::singleton();
  78     if ($oid == $session->get('userID')) {
  79       $oid = $cid;
  80       $cid = $session->get('userID');
  81     }
  82
  83     $url = CRM_Utils_System::url('civicrm/contact/merge', "reset=1&cid={$cid}&oid={$oid}");
  84
  85     // redirect to merge page.
  86     CRM_Utils_System::redirect($url);
  87   }
  88
  89 }