public function up() { $table = Vote::tableName(); $this->createTable($table, ['answer_id' => $this->integer(), 'user_id' => $this->integer(), 'created_at' => $this->integer()]); MigrationHelper::addForeignKey($table, 'answer_id', Answer::tableName(), 'id', 'CASCADE', 'CASCADE'); MigrationHelper::addForeignKey($table, 'user_id', User::tableName(), 'id', 'SET NULL', 'CASCADE'); }
/** * Finds the Answer model based on its primary key value. * If the model is not found, a 404 HTTP exception will be thrown. * @param integer $id * @return Answer the loaded model * @throws NotFoundHttpException if the model cannot be found */ protected function findModel($id) { if (($model = Answer::findOne($id)) !== null) { return $model; } else { throw new NotFoundHttpException('The requested page does not exist.'); } }
/** * Creates data provider instance with search query applied * * @param array $params * * @return ActiveDataProvider */ public function search($params) { $query = Answer::find(); // add conditions that should always apply here $dataProvider = new ActiveDataProvider(['query' => $query]); $this->load($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; } // grid filtering conditions $query->andFilterWhere(['id' => $this->id, 'question_id' => $this->question_id]); $query->andFilterWhere(['like', 'title', $this->title]); return $dataProvider; }
/** * @return \yii\db\ActiveQuery */ public function getAnswer() { return $this->hasOne(Answer::className(), ['id' => 'answer_id'])->from(['answer' => Answer::tableName()]); }
/** * @return \yii\db\ActiveQuery */ public function getAnswers() { return $this->hasMany(Answer::className(), ['question_id' => 'id']); }
public function down() { $this->dropTable(Answer::tableName()); }