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<?php
namespace Zotlabs\Widget;
class Cover_photo {
function widget($arr) {
require_once('include/channel.php');
$o = '';
if(\App::$module == 'channel' && $_REQUEST['mid'])
return '';
$channel_id = 0;
if(array_key_exists('channel_id', $arr) && intval($arr['channel_id']))
$channel_id = intval($arr['channel_id']);
if(! $channel_id)
$channel_id = \App::$profile_uid;
if(! $channel_id)
return '';
// only show cover photos once per login session
if(array_key_exists('channels_visited',$_SESSION) && is_array($_SESSION['channels_visited']) && in_array($channel_id,$_SESSION['channels_visited'])) {
return EMPTY_STR;
}
if(! array_key_exists('channels_visited',$_SESSION)) {
$_SESSION['channels_visited'] = [];
}
$_SESSION['channels_visited'][] = $channel_id;
$channel = channelx_by_n($channel_id);
if(array_key_exists('style', $arr) && isset($arr['style']))
$style = $arr['style'];
else
$style = 'width:100%; height: auto;';
// ensure they can't sneak in an eval(js) function
if(strpbrk($style,'(\'"<>') !== false)
$style = '';
if(array_key_exists('title', $arr) && isset($arr['title']))
$title = $arr['title'];
else
$title = $channel['channel_name'];
if(array_key_exists('subtitle', $arr) && isset($arr['subtitle']))
$subtitle = $arr['subtitle'];
else
$subtitle = str_replace('@','@',$channel['xchan_addr']);
$c = get_cover_photo($channel_id,'html');
if($c) {
$photo_html = (($style) ? str_replace('alt=',' style="' . $style . '" alt=',$c) : $c);
$o = replace_macros(get_markup_template('cover_photo_widget.tpl'),array(
'$photo_html' => $photo_html,
'$title' => $title,
'$subtitle' => $subtitle,
'$hovertitle' => t('Click to show more'),
));
}
return $o;
}
}
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