/**
  * Updates an existing Content model.
  * If update is successful, the browser will be redirected to the 'view' page.
  * @param integer $id
  * @return mixed
  */
 public function actionUpdate($id)
 {
     $model = Content::find()->with('translations')->where(['id' => $id])->one();
     if ($model === null) {
         throw new NotFoundHttpException('The requested page does not exist.');
     }
     foreach (Yii::$app->request->post('ContentTranslation', []) as $language => $data) {
         foreach ($data as $attribute => $translation) {
             $model->translate($language)->{$attribute} = $translation;
         }
     }
     if (Yii::$app->request->post('ContentTranslation', []) && $model->load(Yii::$app->request->post()) && $model->save()) {
         return $this->redirect(['view', 'id' => $model->id]);
     } else {
         return $this->render('update', ['model' => $model]);
     }
 }
 /**
  * Creates data provider instance with search query applied
  *
  * @param array $params
  *
  * @return ActiveDataProvider
  */
 public function search($params)
 {
     $query = Content::find();
     $dataProvider = new ActiveDataProvider(['query' => $query]);
     $dataProvider->setSort(['attributes' => ['id', 'status', 'key', 'created_at', 'updated_at', 'name' => ['asc' => ['name' => SORT_ASC], 'desc' => ['name' => SORT_DESC]]]]);
     $this->load($params);
     if (!$this->validate()) {
         $query->where('0=1');
         return $dataProvider;
     }
     $query->andFilterWhere(['id' => $this->id, 'status' => $this->status]);
     if ($this->createdRange) {
         $dateArray = explode('-', $this->createdRange);
         $dateFrom = trim($dateArray[0]);
         $dateTo = trim($dateArray[1]);
         $query->andWhere('created_at <= :dateTo', [':dateTo' => $dateTo])->andWhere('created_at >= :dateFrom', [':dateFrom' => $dateFrom]);
     } else {
         $query->andFilterWhere(['created_at' => $this->created_at]);
     }
     if ($this->updatedRange) {
         $dateArray = explode('-', $this->updatedRange);
         $dateFrom = trim($dateArray[0]);
         $dateTo = trim($dateArray[1]);
         $query->andWhere('updated_at <= :dateTo', [':dateTo' => $dateTo])->andWhere('updated_at >= :dateFrom', [':dateFrom' => $dateFrom]);
     } else {
         $query->andFilterWhere(['updated_at' => $this->updated_at]);
     }
     $query->andFilterWhere(['like', 'key', $this->key]);
     $query->joinWith(['translations' => function ($query) {
         if ($this->name) {
             $query->andWhere(['like', 'name', $this->name]);
         }
         if ($this->content) {
             $query->andWhere(['like', 'content', $this->content]);
         }
     }]);
     return $dataProvider;
 }