public function actionRss()
{
Yii::$app->response->format = \yii\web\Response::FORMAT_RAW;
$headers = Yii::$app->response->headers;
$headers->add('Content-Type', 'text/xml');
$models = Hashtag::find()->orderBy("id desc")->limit(1000)->all();
return $this->renderPartial('rss', ['models' => $models]);
}
/**
* Creates data provider instance with search query applied
*
* @param array $params
*
* @return ActiveDataProvider
*/
public function search($params)
{
$query = Hashtag::find();
$dataProvider = new ActiveDataProvider(['query' => $query, 'sort' => new \yii\data\Sort(['attributes' => ['id' => 'id']])]);
$query->orderBy("id desc");
$this->load($params);
if (!$this->validate()) {
// uncomment the following line if you do not want to return any records when validation fails
// $query->where('0=1');
return $dataProvider;
}
$query->andFilterWhere(['id' => $this->id, 'active' => $this->active, 'created' => $this->created]);
// $query->andFilterWhere(['like', 'tag', $this->tag]);
return $dataProvider;
}
/**
* @param Tweet $tweet
* @param array $tweetHashtags
*
* @throws Exception
*/
private function importHashtags(Tweet $tweet, array $tweetHashtags)
{
foreach ($tweetHashtags as $tweetHashtag) {
$hashtagFromDb = Hashtag::findOne($tweetHashtag);
if (empty($hashtagFromDb)) {
$hashtag = Hashtag::createInstanceFromParam($tweetHashtag);
if (!$hashtag->save()) {
throw new Exception('Ошибка записи в базу данных: Таблица hashtag');
}
$tweet->link('hashtagTexts', $hashtag);
} else {
/**
* @var Hashtag $hashtagFromDb
*/
$tweet->link('hashtagTexts', $hashtagFromDb);
}
}
}
/**
* Finds the Hashtag model based on its primary key value.
* If the model is not found, a 404 HTTP exception will be thrown.
* @param string $id
* @return Hashtag the loaded model
* @throws NotFoundHttpException if the model cannot be found
*/
protected function findModel($id)
{
if (($model = Hashtag::find()->where("tag = :tag", [':tag' => $id])->one()) !== null) {
return $model;
} else {
throw new NotFoundHttpException(Yii::t('app', 'The requested page does not exist.'));
}
}
/**
* @param $hashtagForSearch
*
* @return array
*/
public function findTweetByHashtag($hashtagForSearch)
{
$hashtags = Hashtag::find()->byHashtag($hashtagForSearch)->tweetsViaJunctionTable()->all();
return $this->composeTweets($hashtags);
}
/**
* @return \yii\db\ActiveQuery
*/
public function getHashtagTexts()
{
return $this->hasMany(Hashtag::className(), ['text' => 'hashtag_text'])->viaTable('tweet_hashtag', ['tweet_id' => 'id']);
}
