zoneminder/web/includes/actions/function.php

<?php
//
// ZoneMinder web action file
// Copyright (C) 2019 ZoneMinder LLC
//
// This program 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.
//
// This program 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 this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
//


// Monitor edit actions, require a monitor id and edit permissions for that monitor
if ( !empty($_REQUEST['mid']) && canEdit('Monitors', $_REQUEST['mid']) ) {
  $mid = validInt($_REQUEST['mid']);
  if ( $action == 'function' ) {
    $monitor = dbFetchOne('SELECT * FROM Monitors WHERE Id=?', NULL, array($mid));

    $newFunction = validStr($_REQUEST['newFunction']);
    # Because we use a checkbox, it won't get passed in the request. So not being in _REQUEST means 0
    $newEnabled = ( !isset($_REQUEST['newEnabled']) or $_REQUEST['newEnabled'] != '1' ) ? '0' : '1';
    $oldFunction = $monitor['Function'];
    $oldEnabled = $monitor['Enabled'];
    if ( $newFunction != $oldFunction || $newEnabled != $oldEnabled ) {
      dbQuery('UPDATE Monitors SET Function=?, Enabled=? WHERE Id=?',
        array($newFunction, $newEnabled, $mid));

      $monitor['Function'] = $newFunction;
      $monitor['Enabled'] = $newEnabled;
      if ( daemonCheck() && ($monitor['Type'] != 'WebSite') ) {
        $restart = ($oldFunction == 'None') || ($newFunction == 'None') || ($newEnabled != $oldEnabled);
        zmaControl($monitor, 'stop');
        zmcControl($monitor, $restart?'restart':'');
        zmaControl($monitor, 'start');
      }
      $refreshParent = true;
    }
  } // end if action 
  $view = 'none';
} // end if $mid and canEdit($mid)
?>