<?php
/**
 * Created by PhpStorm.
 * User: zn
 * Date: 2017/5/17
 * Time: 18:22
 */

namespace common\models;


use common\services\ItemServices;
use yii\behaviors\TimestampBehavior;
use yii\db\ActiveRecord;

/**
 * 物品
 * @property int $id
 * @property int $user_id 所属用户ID
 * @property int $item_id 物品ID
 * @property string $name 物品名称
 * @property int $type 物品类型
 * @property int $num 数量
 * @property integer $created_at
 * @property integer $updated_at
 */
class Item extends ActiveRecord
{
    public function behaviors()
    {
        return [
            TimestampBehavior::className(),
        ];
    }

    public function rules()
    {
        return [
            ['id', 'default', 'value' => 0],

            ['user_id', 'required'],
            ['user_id', 'exist', 'targetClass' => '\common\models\User', 'targetAttribute' => 'id'],
            ['user_id', 'number', 'integerOnly' => true],

            ['item_id', 'default', 'value' => 0],
            ['item_id', 'number', 'integerOnly' => true],

            ['name', 'default', 'value' => ''],

            ['type', 'default', 'value' => 0],
            ['type', 'number', 'integerOnly' => true],

            ['num', 'default', 'value' => 1],
            ['num', 'number', 'integerOnly' => true],

            ['created_at', 'default', 'value' => 0],
            ['updated_at', 'default', 'value' => 0],
        ];
    }

    public static function findByID($id)
    {
        return self::findOne(['id' => $id]);
    }

    public static function findByUserIDAndItemID($userID, $itemID)
    {
        return self::findOne(['user_id' => $userID, 'item_id' => $itemID]);
    }

    public function __get($name)
    {
        if($name=='type_str') return ItemServices::ITEM_TYPE_STR[$this->type];
        if($name=='created_at_str') return date('Y-m-d H:i:s',$this->created_at);
        if($name=='updated_at_str') return date('Y-m-d H:i:s',$this->updated_at);
        return parent::__get($name);
    }

    public function attributeLabels()
    {
        $data=parent::attributeLabels();
        $data['item_id']='物品ID';
        $data['name']='物品名称';
        $data['type_str']='物品类型';
        $data['num']='数量';
        return $data;
    }

    public function genClientData()
    {
        return [
            'id' => $this->id,
            'user_id' => $this->user_id,
            'item_id' => $this->item_id,
            'name' => $this->name,
            'type' => $this->type,
            'num' => $this->num,
        ];
    }

}