public static function setCommentLike($id, $val)
{
$val = $val >= 0 ? 1 : -1;
$rate = self::model()->findByAttributes(array('comment_id' => $id, 'user_id' => Yii::app()->user->id));
$comment = BooksComments::model()->findByPk($id);
if (empty($rate)) {
$rate = new CommentLike();
$rate->comment_id = $id;
$rate->user_id = Yii::app()->user->id;
} else {
if ($rate->val == $val) {
$rate->delete();
if (!empty($comment)) {
$comment->updateRate();
}
return 0;
}
}
$rate->val = $val;
$rate->save();
if (!empty($comment)) {
$comment->updateRate();
}
return $val;
}