function process()
 {
     $mid = intval(zmgGetParam($_REQUEST, 'zmg_edit_mid', 0));
     $medium = new zmgMedium(zmgDatabase::getDBO());
     $res = true;
     $events =& zmgFactory::getEvents();
     $messages =& zmgFactory::getMessages();
     if ($mid > 0) {
         if (!($res = $medium->load($mid))) {
             $messages->append(T_('Medium could not be saved') . ': ' . $medium->getError());
         }
     }
     if ($res && $mid > 0) {
         $data = array('name' => zmgSQLEscape(zmgGetParam($_REQUEST, 'zmg_edit_name', $medium->name)), 'descr' => zmgSQLEscape(zmgGetParam($_REQUEST, 'zmg_edit_descr', $medium->descr)), 'keywords' => zmgSQLEscape(zmgGetParam($_REQUEST, 'zmg_edit_keywords', $medium->keywords)), 'shared' => intval(zmgGetParam($_REQUEST, 'zmg_edit_shared', $medium->shared)), 'published' => intval(zmgGetParam($_REQUEST, 'zmg_edit_published', $medium->published)), 'uid' => intval(zmgGetParam($_REQUEST, 'zmg_edit_acl_gid', $medium->uid)));
         //do some additional validation of strings
         $data['name'] = $events->fire('onvalidate', false, $data['name']);
         $data['descr'] = $events->fire('onvalidate', false, $data['descr']);
         $data['keywords'] = $events->fire('onvalidate', false, $data['keywords']);
         if (!$medium->bind($data)) {
             $messages->append(T_('Medium could not be saved') . ': ' . $medium->getError());
         } else {
             if (!$medium->store()) {
                 $messages->append(T_('Medium could not be saved') . ': ' . $medium->getError());
             } else {
                 $isGalleryImg = intval(zmgGetParam($_REQUEST, 'zmg_edit_gimg', 0)) === 1;
                 $isParentImg = intval(zmgGetParam($_REQUEST, 'zmg_edit_pimg', 0)) === 1;
                 if (!($isGalleryImg && $medium->setAsGalleryImage())) {
                     $messages->append(T_('Medium could not be saved') . ': ' . T_('unable to set as image of gallery'));
                     $res = false;
                 }
                 if (!($isParentImg && $medium->setAsGalleryImage(true))) {
                     $messages->append(T_('Medium could not be saved') . ': ' . T_('unable to set as image of parent gallery'));
                     $res = false;
                 }
                 if ($res) {
                     $messages->append(T_('Medium saved successfully!'));
                 }
             }
         }
     } else {
         $messages->append(T_('Medium could not be saved') . ': ' . $mid);
     }
 }
 function getMedium($mid, $ret_type = 'object')
 {
     $mid = intval($mid);
     $medium = new zmgMedium(zmgDatabase::getDBO());
     $medium->load($mid);
     if ($ret_type == "json") {
         return $medium->toJSON();
     } else {
         if ($ret_type == "xml") {
             return $medium->toXML();
         }
     }
     return $medium;
 }
 function getMediaFromRequest()
 {
     $token = zmgAPIHelper::getViewToken();
     //'last' by default
     $db =& zmgDatabase::getDBO();
     $tokens = explode(',', $token);
     //will return an array, no matter how many commas
     $media = array();
     foreach ($tokens as $mid) {
         $medium = new zmgMedium($db);
         $medium->load($mid);
         $media[] = $medium;
         //push
     }
     return $media;
 }