<?
authorize();

if (!check_perms('site_edit_wiki')) {
	error(403);
}

$UserID = $LoggedUser['ID'];
$GroupID = db_string($_POST['groupid']);
$Summaries = $_POST['summary'];
$Images = $_POST['image'];
$Time = sqltime();

if (!is_number($GroupID) || !$GroupID) {
	error(0);
}

if (count($Images) != count($Summaries)) {
	error('Missing an image or a summary');
}

$Changed = false;
for ($i = 0; $i < count($Images); $i++) {
	$Image = $Images[$i];
	$Summary = $Summaries[$i];

	if (ImageTools::blacklisted($Image, true) || !preg_match("/^".IMAGE_REGEX."$/i", $Image)) {
		continue;
	}

	// sanitize inputs
	$Image = db_string($Image);
	$Summary = db_string($Summary);
	$DB->query("
		INSERT IGNORE INTO cover_art
			(GroupID, Image, Summary, UserID, Time)
		VALUES
			('$GroupID', '$Image', '$Summary', '$UserID', '$Time')");

	if ($DB->affected_rows()) {
		$Changed = true;
	}
}

if ($Changed) {
	$Cache->delete_value("torrents_cover_art_$GroupID");
}

header('Location: '.$_SERVER['HTTP_REFERER']);
?>