mall/modules/client/models/v1/FoodAddCartForm.php

<?php
/**
 * 重庆赤晓店信息科技有限公司
 * https://www.chixiaodian.com
 * Copyright (c) 2023 赤店商城 All rights reserved.
 */
namespace app\modules\client\models\v1;


use app\models\Cart;
use app\models\FoodCart;
use app\models\FoodFlag;
use app\models\Goods;
use yii\base\BaseObject;
use yii\base\Model;

class FoodAddCartForm extends Model
{
    public $user_id;
    public $store_id;
    public $goods_id;
    public $attr;
    public $food_ext_goods;
    public $num;
    public $md_id;
    public $flag_id;

    public function rules()
    {
        return [
            [['goods_id', 'attr', 'num', 'md_id'], 'required'],
            [['goods_id', 'num', 'flag_id'], 'integer'],
            [['num'], 'integer', 'min' => 1],
            [['food_ext_goods'], 'safe'],
        ];
    }

    public function save()
    {
        try {

            if (!$this->validate()) {
                return [
                    'code' => 1,
                    'msg' => $this->getErrorSummary(false)[0]
                ];
            }
            $goods = Goods::findOne([
                'id' => $this->goods_id,
                'store_id' => $this->store_id,
                'is_delete' => 0,
                'status' => 1,
            ]);
            if (!$goods) {
                return [
                    'code' => 1,
                    'msg' => '商品不存在或已下架',
                ];
            }
            $this->attr = json_decode($this->attr, true);
            $attr = [];
            foreach ($this->attr as $item) {
                if (!empty($item['attr_id'])) {
                    $attr[] = intval($item['attr_id']);
                }
            }
            sort($attr);
            if ($goods->use_attr) {
                $attrs = $goods->attr;
                if (!empty($attrs)) {
                    $attrs = json_decode($attrs, true);
                    foreach ($attrs as $item) {
                        $attr_list = array_column($item['attr_list'], 'attr_id');
                        sort($attr_list);
                        if (!array_diff($attr_list, $attr)) {
                            if ($item['num'] <= 0) {
                                return [
                                    'code' => 1,
                                    'msg' => '商品规格数量不足',
                                ];
                            }
                        }
                    }
                }
            }

            $attr = json_encode($attr, JSON_UNESCAPED_UNICODE);
            $this->food_ext_goods = (array)json_decode($this->food_ext_goods, true);
            $food_ext_goods = json_encode($this->food_ext_goods, JSON_UNESCAPED_UNICODE);
            $food_flag = FoodFlag::findOne($this->flag_id);
            $cart = FoodCart::findOne([
                'goods_id' => $this->goods_id,
                'user_id' => $this->user_id,
                'is_delete' => 0,
                'attr' => $attr,
                'food_ext_goods' => $food_ext_goods,
                'flag_id' => $this->flag_id
            ]);
            if (!$cart) {
                $cart = new FoodCart();
                $cart->goods_id = $this->goods_id;
                $cart->user_id = $this->user_id;
                $cart->num = 0;
                $cart->flag_id = $this->flag_id;
                $cart->created_at = time();
                $cart->is_delete = 0;
                $cart->attr = $attr;
                $cart->food_ext_goods = $food_ext_goods;
            }
            $cart->status = 1;
            if ($food_flag->user_id == $this->user_id || $food_flag->type == 1) {
                $cart->status = 1;
            }
            $cart->num += $this->num;
            $cart_num = FoodCart::find()->where(['flag_id' => $this->flag_id, 'goods_id' => $this->goods_id, 'is_delete' => 0])->sum('num');
            if (($cart_num + $cart->num) > $goods->goods_num) {
                return [
                    'code' => 1,
                    'msg' => '库存不足',
                ];
            }
            if ($cart->save()) {
                return [
                    'code' => 0,
                    'msg' => '添加购物车成功',
                    'data' => [
                        'flag_id' => $this->flag_id
                    ],
                ];
            } else {
                return ['code' => 1, 'msg' => $cart->errors];
            }
        } catch (\Exception $e) {
            return [
                'code' => 1,
                'msg' => $e->getMessage() . 'line=' . $e->getLine()
            ];
        }
    }
}