public function actionQuestion($id)
{
$question = $this->findQuestion($id);
$user = Yii::$app->user->getIdentity();
list($result, $like) = Favorite::Question($user, $question);
if ($result) {
return $this->message('提交成功!', 'success');
} else {
return $this->message($like ? $like->getErrors() : '提交失败!');
}
}
/**
* 获取指定用户的收藏记录
* @param null|int $authorId
* @return mixed
*/
public function getFavorite($authorId = null)
{
return $this->hasOne(Favorite::className(), ['target_id' => 'id'])->andWhere(['target_type' => self::TYPE, 'author_id' => $authorId ?: Yii::$app->getUser()->getId()]);
}
/**
* 收藏或取消收藏
* @param $uid
* @return bool|string string为错误提示, bool为操作成功还是失败
*/
public function toggleFavorite($uid)
{
$params = ['uid' => $uid, 'target_id' => $this->id, 'target_type' => static::TYPE];
$favorite = Favorite::findOne($params);
$active = true;
if ($favorite) {
// 已经收藏了则取消收藏
$active = false;
$return = $favorite->delete() >= 0;
} else {
$favorite = new Favorite();
$favorite->setAttributes($params);
$return = $favorite->save() ?: array_values($favorite->getFirstErrors())[0];
}
if ($return == true) {
// 更新记数
$this->updateCounters(['favorite_count' => $active ? 1 : -1]);
}
return $return;
}
