/** * Creates data provider instance with search query applied * * @param array $params * * @return ActiveDataProvider */ public function search($params) { $query = DiscussionCategories::find(); $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; } $query->andFilterWhere(['id' => $this->id, 'created_at' => $this->created_at, 'updated_at' => $this->updated_at]); $query->andFilterWhere(['like', 'name', $this->name]); return $dataProvider; }
public static function getCategoriesWithPosts() { foreach (DiscussionCategories::find()->all() as $category) { $q[] = '(SELECT *,discussion_categories.id as dcId FROM discussion_categories LEFT OUTER JOIN discussion_posts on discussion_posts.discussion_category_id = discussion_categories.id where discussion_categories.id = ' . $category['id'] . ' ORDER BY discussion_posts.id DESC LIMIT 3 )'; } if (!empty($q)) { //var_dump(DiscussionCategories::_group_by(Yii::$app->db->createCommand(implode(' UNION ALL ', $q))->queryAll(), 'name')); /*Yii::$app->end();*/ return DiscussionCategories::_group_by(Yii::$app->db->createCommand(implode(' UNION ALL ', $q))->queryAll(), 'name'); } return []; }