huahuibao/app-hd/models/goods/CreateDescForm.php

<?php
namespace hd\models\goods;

use bizHd\goods\classes\GoodsClass;
use hd\models\BaseForm;
use Yii;

/**
 * 创建商品描述表单模型
 */
class CreateDescForm extends BaseForm
{
    public $id;
    public $mainId;
    public $title;
    public $goodsId;
    public $content;

    public function rules()
    {
        return [
            [['goodsId'], 'required'],
            ['title', 'string', 'max' => 60],
            [['id', 'goodsId', 'mainId'], 'integer'],
            ['goodsId', 'validateGoodsId'],
            ['content', 'safe'],
        ];
    }

    public function attributeLabels()
    {
        return [
            'title' => '标题',
            'goodsId' => '商品ID',
            'content' => '图文内容',
        ];
    }

    /**
     * 验证商品ID
     * @param $attribute
     */
    public function validateGoodsId($attribute)
    {
        if (!$this->hasErrors()) {
            $goods = GoodsClass::getById($this->goodsId, true, 'mainId');
            if (empty($goods) || $goods->mainId != Yii::$app->controller->mainId) {
                $this->addError($attribute, '商品不存在或不属于当前商户');
            }
        }
    }
}