bjhedasx/app/integral/logic/Cart.php

<?php

namespace app\integral\logic;


use app\integral\model\IntegralCart;
use app\integral\model\IntegralProduct;

class Cart extends Base
{
    /**
     * 商品详情页新加或更新兑换车
     * @param int $product_id 产品ID
     * @param int $product_sku 产品SKU
     * @param int $number 变动数量
     * @param int $is_select 是否选中 0--未选中 1--已选中
     * @date 2022-11-15
     */
    public function updateCartProduct($product_id, $product_sku, $number, $is_select = 0)
    {
        $cart_model = new IntegralCart();
        $product_model = new IntegralProduct();
        $product_service = new \app\integral\service\Product();

        // 获取商品详情
        $product = $product_model->getOneData([
            ['id', '=', $product_id]
        ], 'id,is_spec_open');

        // 兑换车产品数量
        $cart_number = $cart_model->getOneData([
            ['user_id', '=', $this->userId],
            ['product_id', '=', $product_id],
            ['product_sku', '=', $product_sku],
        ], 'number');
        // 兑换车中没有该产品时数量设置为0
        $cart_number = $cart_number ?? 0;
        // 产品的总购买数量为本身的数量+新增数量
        $buy_number = $cart_number + $number;

        // 判断库存是否足够
        $res = $product_service->isStockEnough($product_id, $product_sku, $buy_number);
        if ($res['code'] != 0) {
            return $res;
        }

        //加入兑换车
        $data = [
            'uid' => $this->mid,
            'user_agent' => $this->userAgent,
            'user_id' => $this->userId,
            'product_id' => $product_id,
            'is_product_spec_open' => $product['is_spec_open'],
            'product_sku' => $product_sku,
            'number' => $number,
            'is_select' => $is_select
        ];
        $res = $cart_model->updateCart($data);
        if (!$res) {
            return sendErrorArray(3001, '更新兑换车失败');
        }

        // 获取兑换车种类数量
        $cart_type_number = $cart_model->getOneData([
            ['user_id', '=', $this->userId]
        ], 'count(id)');

        return sendSuccessArray([
            // 购物车种类数量
            'cart_type_number' => $cart_type_number
        ], '加入兑换车成功');
    }

    /**
     * 更新购物车产品数量
     * @param int $cart_id 购物车ID
     * @param int $type 类型 1--增加 2--减少 3--直接输入数量
     * @param int $number type=3时，数量
     * @date 2022-11-15
     */
    public function updateCartProductNumber($cart_id, $type, $number)
    {

        $cart_model = new IntegralCart();
        $product_service = new \app\integral\service\Product();
        $cart_service = new \app\integral\service\Cart();

        // 获取兑换车详情
        $cart = $cart_model->getOneData([
            ['id', '=', $cart_id]
        ]);

        // 判断库存是否足够
        $buy_number = '';
        if ($type == 1) {
            $buy_number = $cart['number'] + 1;
        } else if ($type == 2) {
            $buy_number = $cart['number'] - 1;
        } else if ($type == 3) {
            $buy_number = $number;
        }
        $res = $product_service->isStockEnough($cart['product_id'], $cart['product_sku'], $buy_number);
        if ($res['code'] != 0) {
            return $res;
        }

        // 更新兑换车数量
        $data = [
            'id' => $cart_id,
            'number' => $buy_number
        ];
        $res = $cart_model->dataUpdate($data);
        if (!$res) {
            return sendErrorArray(3001, '更新兑换车失败');
        }

        // 获取兑换车商品
        list($effective_product_list, $invalid_product_list) = $cart_service->listUserCartEffectiveAndInvalid();

        return sendSuccessArray([
            // 有效产品列表
            'effective_product_list' => $effective_product_list,
        ]);
    }


    /**
     * 更新兑换车产品选中状态
     * @param int $cart_id 购物车ID
     * @param int $is_select 0--未选中 1--已选中
     * @date 2022-11-15
     */
    public function updateCartProductSelectedStatus($cart_id, $is_select)
    {
        $cart_model = new IntegralCart();
        $cart_service = new \app\integral\service\Cart();

        // 更新购物车产品选中状态
        $res = $cart_model->updateCartProductSelectedStatus($cart_id, $is_select);
        if (!$res) {
            return sendErrorArray(3001, '更新购物车失败');
        }

        // 获取兑换车商品
        list($effective_product_list, $invalid_product_list) = $cart_service->listUserCartEffectiveAndInvalid();

        return sendSuccessArray([
            // 有效产品列表
            'effective_product_list' => $effective_product_list,
        ]);
    }

    /**
     * 更新兑换车产品选中状态
     * @param int $is_select 0--未选中 1--已选中
     * @date 2022-11-15
     */
    public function updateAllCartProductSelectedStatus($is_select)
    {
        $cart_model = new IntegralCart();
        $cart_service = new \app\integral\service\Cart();

        $number = $cart_model->getNumber([
            ['user_id', '=', $this->userId]
        ]);
        // 购物车有数据则更新
        if (!empty($number)) {
            $res = $cart_model->updateAllCartProductSelectedStatus($is_select);

            if (!$res) {
                return sendErrorArray(3001, '更新兑换车失败');
            }
        }

        // 获取兑换车商品
        list($effective_product_list, $invalid_product_list) = $cart_service->listUserCartEffectiveAndInvalid();

        return sendSuccessArray([
            // 有效产品列表
            'effective_product_list' => $effective_product_list,
        ]);
    }

    /**
     * 清空失效宝贝
     * @date 2022-11-15
     */
    public function deleteCartInvalidProduct()
    {
        $cart_model = new IntegralCart();

        $res = $cart_model->deleteInvalidCart($this->userId);
        if (!$res) {
            return sendErrorArray(3001, '清空失效宝贝失败');
        }

        return sendSuccessArray([], '清空失效宝贝成功');
    }

    /**
     * 删除选中商品
     * @date 2022-11-15
     */
    public function deleteCartSelectedProduct()
    {
        $cart_model = new IntegralCart();
        $cart_service = new \app\integral\service\Cart();

        $number = $cart_model->getNumber([
            ['user_id', '=', $this->userId],
            ['is_select', '=', 1]
        ]);
        if(empty($number)){
            return sendErrorArray(3001, '您必须至少选中1个商品');
        }

        $res = $cart_model->deleteCartSelectedProduct($this->userId);
        if (!$res) {
            return sendErrorArray(3002, '删除选中商品失败');
        }

        // 获取兑换车商品
        list($effective_product_list, $invalid_product_list) = $cart_service->listUserCartEffectiveAndInvalid();

        return sendSuccessArray([
            // 有效产品列表
            'effective_product_list' => $effective_product_list,
        ]);
    }

    /**
     * 获取兑换车产品种类数量
     * @date 2022-11-14
     */
    public function listCartProduct()
    {
        $cart_service = new \app\integral\service\Cart();

        // 判断兑换车失效商品并修改状态
        $cart_service->updateInvalid($this->userId);

        // 获取兑换车商品
        list($effective_product_list, $invalid_product_list) = $cart_service->listUserCartEffectiveAndInvalid();

        return sendSuccessArray([
            // 有效产品列表
            'effective_product_list' => $effective_product_list,
            // 无效产品列表
            'invalid_product_list' => $invalid_product_list
        ]);
    }


    /**
     * 获取兑换车产品种类数量
     * @date 2022-11-14
     */
    public function countCartTypeNumber()
    {
        $cart_model = new IntegralCart();

        // 获取兑换车种类数量
        $cart_type_number = $cart_model->getOneData([
            ['user_id', '=', $this->userId]
        ], 'count(id)');

        return sendSuccessArray([
            // 购物车种类数量
            'cart_type_number' => $cart_type_number
        ]);
    }

}