<?php
/**
 * ---------------------------------------------------------------------
 * GLPI - Gestionnaire Libre de Parc Informatique
 * Copyright (C) 2015-2020 Teclib' and contributors.
 *
 * http://glpi-project.org
 *
 * based on GLPI - Gestionnaire Libre de Parc Informatique
 * Copyright (C) 2003-2014 by the INDEPNET Development Team.
 *
 * ---------------------------------------------------------------------
 *
 * LICENSE
 *
 * This file is part of GLPI.
 *
 * GLPI is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * GLPI is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with GLPI. If not, see <http://www.gnu.org/licenses/>.
 * ---------------------------------------------------------------------
 */

if (!defined('GLPI_ROOT')) {
   die("Sorry. You can't access this file directly");
}

abstract class NotificationEventAbstract {
   /**
    * Raise an ajax notification event
    *
    * @param string               $event              Event
    * @param CommonGLPI           $item               Notification data
    * @param array                $options            Options
    * @param string               $label              Label
    * @param array                $data               Notification data
    * @param NotificationTarget   $notificationtarget Target
    * @param NotificationTemplate $template           Template
    * @param boolean              $notify_me          Whether to notify current user
    *
    * @return void
    */
   static public function raise(
      $event,
      CommonGLPI $item,
      array $options,
      $label,
      array $data,
      NotificationTarget $notificationtarget,
      NotificationTemplate $template,
      $notify_me,
      $emitter = null
   ) {
      global $CFG_GLPI;
      if ($CFG_GLPI['notifications_' . $options['mode']]) {
         $entity = $notificationtarget->getEntity();
         if (isset($options['processed'])) {
            $processed = &$options['processed'];
            unset($options['processed']);
         } else { // Compat with GLPI < 9.4.2 TODO: remove in 9.5
            $processed = [];
         }
         $notprocessed = [];

         $targets = getAllDataFromTable(
            'glpi_notificationtargets',
            ['notifications_id' => $data['id']]
         );

         static::extraRaise([
            'event'              => $event,
            'item'               => $item,
            'options'            => $options,
            'data'               => $data,
            'notificationtarget' => $notificationtarget,
            'template'           => $template,
            'notify_me'          => $notify_me
         ]);

         //Foreach notification targets
         foreach ($targets as $target) {
            //Get all users affected by this notification
            $notificationtarget->addForTarget($target, $options);

            foreach ($notificationtarget->getTargets() as $users_infos) {
               $key = $users_infos[static::getTargetFieldName()];
               if ($label
                     || $notificationtarget->validateSendTo($event, $users_infos, $notify_me, $emitter)) {
                  //If the user have not yet been notified
                  if (!isset($processed[$users_infos['language']][$key])) {
                     //If ther user's language is the same as the template's one
                     if (isset($notprocessed[$users_infos['language']]
                                                   [$key])) {
                        unset($notprocessed[$users_infos['language']]
                                                   [$key]);
                     }
                     $options['item'] = $item;
                     if ($tid = $template->getTemplateByLanguage($notificationtarget,
                                                                  $users_infos, $event,
                                                                  $options)) {
                        //Send notification to the user
                        if ($label == '') {
                           $send_data = $template->getDataToSend(
                              $notificationtarget,
                              $tid,
                              $key,
                              $users_infos,
                              $options
                           );
                           $send_data['_notificationtemplates_id'] = $data['notificationtemplates_id'];
                           $send_data['_itemtype']                 = $item->getType();
                           $send_data['_items_id']                 = method_exists($item, "getID")
                              ? $item->getID()
                              : 0;
                           $send_data['_entities_id']              = $entity;
                           $send_data['mode']                      = $data['mode'];

                           Notification::send($send_data);
                        } else {
                           $notificationtarget->getFromDB($target['id']);
                           echo "<tr class='tab_bg_2'><td>".$label."</td>";
                           echo "<td>".$notificationtarget->getNameID()."</td>";
                           echo "<td>".sprintf(__('%1$s (%2$s)'), $template->getName(),
                                                $users_infos['language'])."</td>";
                           echo "<td>".$options['mode']."</td>";
                           echo "<td>".$key."</td>";
                           echo "</tr>";
                        }
                        $processed[$users_infos['language']][$key]
                                                                  = $users_infos;

                     } else {
                        $notprocessed[$users_infos['language']][$key]
                                                                     = $users_infos;
                     }
                  }
               }
            }
         }

         unset($processed);
         unset($notprocessed);
      }
   }

   /**
    * Extra steps raising
    *
    * @param array $params All parameters send to raise() method
    *
    * @return void
    */
   static protected function extraRaise($params) {
      //does nothing; designed to be overriden
   }
}