public function actionUndo($type, $follow)
{
$model = Follow::findOne(['user_id' => Yii::$app->user->id, 'type' => $type, 'follow_id' => $follow]);
if ($model !== null) {
if ($model->delete() && $type == 3) {
$topic = Topic::findOne($follow);
$topic->follow = $topic->follow - 1;
$topic->save();
}
}
$next = Yii::$app->request->get('next');
if (isset($next)) {
return $this->redirect($next);
} else {
$this->goHome();
}
}
/**
* @param boolean $insert
* @param array $changedAttributes
* @return bool
*/
public function afterSave($insert, $changedAttributes)
{
$topic = Topic::findOne($this->topic_id);
$topic->reply = $topic->reply + 1;
$topic->last_reply_time = time();
$topic->updated_at = time();
$topic->last_reply_user = Yii::$app->user->identity->username;
$rst = $topic->update();
Yii::$app->cache->delete('HotTopic8');
//给用户发回复或者@通知,回复自己的不通知
if ($rst && Yii::$app->user->id != $topic->user_id) {
$notice = new Notice();
$notice->from_user_id = $this->user_id;
$notice->to_user_id = $topic->user_id;
$notice->topic_id = $this->topic_id;
$notice->type = 1;
$notice->msg = $this->content;
$notice->created = time();
$notice->save();
}
//回复中提到其他人，通知其他人
if (strstr($this->content, '@')) {
preg_match_all('/@(.*?)\\s/', $this->content, $match);
if (isset($match[1]) && count($match[1]) > 0) {
$notice_user = array_unique($match[1]);
foreach ($notice_user as $v) {
$to_user = User::findOne(['username' => $v]);
if ($v == $topic->user->username || $v == Yii::$app->user->identity->username || empty($to_user->id)) {
continue;
}
$notice = new Notice();
$notice->from_user_id = $this->user_id;
$notice->to_user_id = $to_user->id;
$notice->topic_id = $this->topic_id;
$notice->type = 2;
$notice->msg = $this->content;
$notice->created = time();
$notice->save();
}
}
}
return parent::afterSave($insert, $changedAttributes);
}
/**
* Finds the Topic model based on its primary key value.
* If the model is not found, a 404 HTTP exception will be thrown.
* @param integer $id
* @return Topic the loaded model
* @throws NotFoundHttpException if the model cannot be found
*/
protected function findModel($id)
{
if (($model = Topic::findOne($id)) !== null) {
return $model;
} else {
throw new NotFoundHttpException('The requested page does not exist.');
}
}
public function afterDelete()
{
if ($this->type == 1) {
Yii::$app->cache->delete('UserCount' . $this->user_id);
Yii::$app->cache->delete('FollowUserId' . Yii::$app->user->id);
Yii::$app->cache->delete('FollowUser' . Yii::$app->user->id);
}
if ($this->type == 2) {
Yii::$app->cache->delete('NodeCount' . $this->user_id);
Yii::$app->cache->delete('FollowNodeId' . Yii::$app->user->id);
Yii::$app->cache->delete('FollowNode' . Yii::$app->user->id);
}
if ($this->type == 3) {
Yii::$app->cache->delete('TopicCount' . $this->user_id);
Yii::$app->cache->delete('NoticeCount' . $this->follow_id);
Yii::$app->cache->delete('FollowTopic' . Yii::$app->user->id);
$topic = Topic::findOne($this->follow_id);
$topic->follow = $topic->follow - 1;
$topic->save();
}
return parent::afterDelete();
}
