<?php

namespace backend\models;

use Yii;
use yii\base\Model;
use yii\data\ActiveDataProvider;
use backend\models\Menu;

/**
 * MenuSearch represents the model behind the search form about `backend\models\Menu`.
 */
class MenuSearch extends Menu
{
    /**
     * @inheritdoc
     */
    public function rules()
    {
        return [
            [['menu_id', 'menu_pid', 'level', 'termin_id', 'status', 'is_open', 'menu_location_id', 'sort'], 'integer'],
            [['name', 'url'], 'safe'],
        ];
    }

    /**
     * @inheritdoc
     */
    public function scenarios()
    {
        // bypass scenarios() implementation in the parent class
        return Model::scenarios();
    }

    /**
     * Creates data provider instance with search query applied
     *
     * @param array $params
     *
     * @return ActiveDataProvider
     */
    public function search($params)
    {
        $query = Menu::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([
            'menu_id' => $this->menu_id,
            'menu_pid' => $this->menu_pid,
            'level' => $this->level,
            'termin_id' => $this->termin_id,
            'status' => $this->status,
            'is_open' => $this->is_open,
            'menu_location_id' => $this->menu_location_id,
            'sort' => $this->sort,
        ]);

        $query->andFilterWhere(['like', 'name', $this->name])
              ->andFilterWhere(['like', 'url', $this->url]);

        return $dataProvider;
    }
}