mirror of
https://github.com/crmeb/CRMEB.git
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578 lines
29 KiB
PHP
578 lines
29 KiB
PHP
<?php
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// +----------------------------------------------------------------------
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// | CRMEB [ CRMEB赋能开发者，助力企业发展 ]
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// +----------------------------------------------------------------------
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// | Copyright (c) 2016~2020 https://www.crmeb.com All rights reserved.
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// +----------------------------------------------------------------------
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// | Licensed CRMEB并不是自由软件，未经许可不能去掉CRMEB相关版权
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// +----------------------------------------------------------------------
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// | Author: CRMEB Team <admin@crmeb.com>
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// +----------------------------------------------------------------------
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declare (strict_types=1);
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namespace app\services\order;
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use app\services\BaseServices;
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use app\dao\order\StoreCartDao;
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use app\services\system\SystemUserLevelServices;
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use app\services\user\UserServices;
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use app\jobs\ProductLogJob;
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use crmeb\services\CacheService;
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use think\exception\ValidateException;
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use app\services\user\UserLevelServices;
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use app\services\activity\StoreSeckillServices;
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use app\services\activity\StoreBargainServices;
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use app\services\activity\StoreBargainUserServices;
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use app\services\activity\StoreCombinationServices;
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use app\services\product\product\StoreProductServices;
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use app\services\product\sku\StoreProductAttrValueServices;
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/**
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*
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* Class StoreCartServices
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* @package app\services\order
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* @method updateCartStatus($cartIds) 修改购物车状态
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* @method getUserCartNum(int $uid, string $type, int $numType) 购物车数量
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* @method deleteCartStatus(array $cartIds) 修改购物车状态
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* @method array productIdByCartNum(array $ids, int $uid) 根据商品id获取购物车数量
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* @method getCartList(array $where, ?int $page = 0, ?int $limit = 0, ?array $with = []) 获取用户购物车
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* @method getSum($where, $field) 求和
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* @method getProductTrend($time, $timeType, $str) 购物车趋势
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*/
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class StoreCartServices extends BaseServices
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{
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/**
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* StoreCartServices constructor.
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* @param StoreCartDao $dao
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*/
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public function __construct(StoreCartDao $dao)
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{
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$this->dao = $dao;
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}
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/**
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* 获取某个用户下的购物车数量
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* @param array $unique
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* @param int $productId
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* @param int $uid
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* @return array
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*/
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public function getUserCartNums(array $unique, int $productId, int $uid)
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{
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$where['is_pay'] = 0;
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$where['is_del'] = 0;
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$where['is_new'] = 0;
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$where['type'] = 'product';
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$where['product_id'] = $productId;
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$where['uid'] = $uid;
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return $this->dao->getUserCartNums($where, $unique);
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}
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/**
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* 获取用户下的购物车列表
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* @param $uid
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* @param string $cartIds
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* @param bool $new
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* @param int $status
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* @return array
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* @throws \Psr\SimpleCache\InvalidArgumentException
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* @throws \think\db\exception\DataNotFoundException
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* @throws \think\db\exception\DbException
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* @throws \think\db\exception\ModelNotFoundException
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*/
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public function getUserProductCartListV1($uid, $cartIds = '', bool $new, $status = 0)
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{
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if ($new) {
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$cartIds = explode(',', $cartIds);
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$cartInfo = [];
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foreach ($cartIds as $key) {
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$info = CacheService::redisHandler()->get($key);
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if ($info) {
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$cartInfo[] = $info;
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}
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}
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if (!$cartInfo) {
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throw new ValidateException('获取购物车信息失败');
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}
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/** @var StoreProductServices $productServices */
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$productServices = app()->make(StoreProductServices::class);
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foreach ($cartInfo as &$item) {
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$productInfo = $item['productInfo'];
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if (isset($productInfo['attrInfo']['product_id']) && $item['product_attr_unique']) {
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$item['costPrice'] = $productInfo['attrInfo']['cost'] ?? 0;
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$item['trueStock'] = $productInfo['attrInfo']['stock'] ?? 0;
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if ($item['seckill_id'] == 0 && $item['bargain_id'] == 0 && $item['combination_id'] == 0) {
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$item['truePrice'] = $productServices->setLevelPrice($productInfo['attrInfo']['price'] ?? 0, $uid, true, 0, $item['productInfo']['attrInfo']['vip_price'], $productInfo['is_vip'] ?? 0, true);
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$item['vip_truePrice'] = (float)$productServices->setLevelPrice($productInfo['attrInfo']['price'], $uid, false, 0, $item['productInfo']['attrInfo']['vip_price'], $productInfo['is_vip'] ?? 0, true);
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} else {
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$item['truePrice'] = $productInfo['attrInfo']['price'];
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$item['vip_truePrice'] = 0;
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}
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} else {
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$item['costPrice'] = $item['productInfo']['cost'] ?? 0;
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$item['trueStock'] = $item['productInfo']['stock'] ?? 0;
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if ($item['seckill_id'] == 0 && $item['bargain_id'] == 0 && $item['combination_id'] == 0) {
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$item['truePrice'] = $productServices->setLevelPrice($item['productInfo']['price'] ?? 0, $uid, true, 0, $item['productInfo']['attrInfo']['vip_price'] ?? 0, $item['productInfo']['is_vip'] ?? 0, true);
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$item['vip_truePrice'] = (float)$productServices->setLevelPrice($item['productInfo']['price'], $uid, false, 0, $item['productInfo']['attrInfo']['vip_price'] ?? 0, $item['productInfo']['is_vip'] ?? 0, true);
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} else {
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$item['truePrice'] = $productInfo['productInfo']['price'];
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$item['vip_truePrice'] = 0;
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}
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}
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}
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$seckillIds = array_unique(array_column($cartInfo, 'seckill_id'));
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$bargainIds = array_unique(array_column($cartInfo, 'bargain_id'));
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$combinationId = array_unique(array_column($cartInfo, 'combination_id'));
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$deduction = ['seckill_id' => $seckillIds[0] ?? 0, 'bargain_id' => $bargainIds[0] ?? 0, 'combination_id' => $combinationId[0] ?? 0];
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return ['valid' => $cartInfo, 'invalid' => [], 'deduction' => $deduction];
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} else {
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return $this->getUserCartList($uid, $status, $cartIds);
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}
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}
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/**
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* 使用雪花算法生成订单ID
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* @return string
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* @throws \Exception
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*/
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public function getCartId($prefix)
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{
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$snowflake = new \Godruoyi\Snowflake\Snowflake();
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//32位
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if (PHP_INT_SIZE == 4) {
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$id = abs($snowflake->id());
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} else {
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$id = $snowflake->setStartTimeStamp(strtotime('2020-06-05') * 1000)->id();
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}
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return $prefix . $id;
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}
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/**
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* 验证库存
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* @param int $uid
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* @param int $cartNum
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* @param string $unique
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* @param $productId
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* @param int $seckillId
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* @param int $bargainId
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* @param int $combinationId
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* @return array
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* @throws \Psr\SimpleCache\InvalidArgumentException
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* @throws \think\db\exception\DataNotFoundException
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* @throws \think\db\exception\DbException
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* @throws \think\db\exception\ModelNotFoundException
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*/
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public function checkProductStock(int $uid, int $cartNum, string $unique, $productId, int $seckillId, int $bargainId, int $combinationId)
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{
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if ($cartNum < 1) $cartNum = 1;
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/** @var StoreProductAttrValueServices $attrValueServices */
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$attrValueServices = app()->make(StoreProductAttrValueServices::class);
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if ($seckillId) {
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if ($unique == '') {
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$unique = $attrValueServices->value(['product_id' => $seckillId, 'type' => 1], 'unique');
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}
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/** @var StoreSeckillServices $seckillService */
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$seckillService = app()->make(StoreSeckillServices::class);
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if (!$seckillService->getSeckillCount($seckillId)) {
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throw new ValidateException('活动已结束');
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}
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$StoreSeckillinfo = $seckillService->getValidProduct($seckillId);
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if (!$StoreSeckillinfo) {
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throw new ValidateException('该商品已下架或删除');
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}
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/** @var StoreOrderServices $orderServices */
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$orderServices = app()->make(StoreOrderServices::class);
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$userBuyCount = $orderServices->getBuyCount($uid, 'seckill_id', $seckillId);
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if ($StoreSeckillinfo['once_num'] < $cartNum) {
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throw new ValidateException('每个订单限购' . $StoreSeckillinfo['once_num'] . '件');
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}
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if ($StoreSeckillinfo['num'] < ($userBuyCount + $cartNum)) {
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throw new ValidateException('每人总共限购' . $StoreSeckillinfo['num'] . '件');
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}
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$unapid = $orderServices->count(['uid' => $uid, 'status' => 0, 'paid' => 0, 'refund_status' => 0, 'is_del' => 0, 'seckill_id' => $seckillId]);
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if ($unapid > 0) {
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throw new ValidateException('该商品已经下单成功，请去完成支付');
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}
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if ($StoreSeckillinfo['num'] < $cartNum) {
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throw new ValidateException('每人限购' . $StoreSeckillinfo['num'] . '件');
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}
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$res = $attrValueServices->getOne(['product_id' => $seckillId, 'unique' => $unique, 'type' => 1]);
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if ($cartNum > $res['quota']) {
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throw new ValidateException('该商品库存不足' . $cartNum);
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}
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$product_stock = $attrValueServices->value(['product_id' => $StoreSeckillinfo['product_id'], 'suk' => $res['suk'], 'type' => 0], 'stock');
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if ($product_stock < $cartNum) {
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throw new ValidateException('该商品库存不足' . $cartNum);
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}
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if (!$seckillService->isSeckillStock($unique, 1, (int)$cartNum)) {
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throw new ValidateException('商品库存不足' . $cartNum . ',无法购买请选择其他商品!');
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}
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} elseif ($bargainId) {
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/** @var StoreBargainServices $bargainService */
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$bargainService = app()->make(StoreBargainServices::class);
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if (!$bargainService->validBargain($bargainId)) {
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throw new ValidateException('该商品已下架或删除');
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}
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/** @var StoreBargainUserServices $bargainUserService */
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$bargainUserService = app()->make(StoreBargainUserServices::class);
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$bargainUserInfo = $bargainUserService->getOne(['uid' => $uid, 'bargain_id' => $bargainId, 'status' => 1, 'is_del' => 0]);
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if ($bargainUserInfo['bargain_price_min'] < bcsub((string)$bargainUserInfo['bargain_price'], (string)$bargainUserInfo['price'], 2)) {
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throw new ValidateException('砍价未成功');
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}
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$StoreBargainInfo = $bargainService->get($bargainId);
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$res = $attrValueServices->getOne(['product_id' => $bargainId, 'type' => 2]);
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$unique = $res['unique'];
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if ($cartNum > $res['quota']) {
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throw new ValidateException('该商品库存不足' . $cartNum);
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}
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$product_stock = $attrValueServices->value(['product_id' => $StoreBargainInfo['product_id'], 'suk' => $res['suk'], 'type' => 0], 'stock');
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if ($product_stock < $cartNum) {
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throw new ValidateException('该商品库存不足' . $cartNum);
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}
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} elseif ($combinationId) {//拼团
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if ($unique == '') {
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$unique = $attrValueServices->value(['product_id' => $combinationId, 'type' => 3], 'unique');
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}
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/** @var StoreCombinationServices $combinationService */
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$combinationService = app()->make(StoreCombinationServices::class);
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$StoreCombinationInfo = $combinationService->getCombinationOne($combinationId);
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if (!$StoreCombinationInfo) {
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throw new ValidateException('该商品已下架或删除');
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}
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/** @var StoreOrderServices $orderServices */
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$orderServices = app()->make(StoreOrderServices::class);
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$userBuyCount = $orderServices->getBuyCount($uid, 'combination_id', $combinationId);
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if ($StoreCombinationInfo['once_num'] < $cartNum) {
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throw new ValidateException('每个订单限购' . $StoreCombinationInfo['once_num'] . '件');
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}
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if ($StoreCombinationInfo['num'] < ($userBuyCount + $cartNum)) {
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throw new ValidateException('每人总共限购' . $StoreCombinationInfo['num'] . '件');
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}
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$res = $attrValueServices->getOne(['product_id' => $combinationId, 'unique' => $unique, 'type' => 3]);
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if ($cartNum > $res['quota']) {
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throw new ValidateException('该商品库存不足' . $cartNum);
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}
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$product_stock = $attrValueServices->value(['product_id' => $StoreCombinationInfo['product_id'], 'suk' => $res['suk'], 'type' => 0], 'stock');
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if ($product_stock < $cartNum) {
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throw new ValidateException('该商品库存不足' . $cartNum);
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}
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} else {
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if ($unique == '') {
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$unique = $attrValueServices->value(['product_id' => $productId, 'type' => 0], 'unique');
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}
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/** @var StoreProductServices $productServices */
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$productServices = app()->make(StoreProductServices::class);
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$res = $attrValueServices->getOne(['unique' => $unique, 'type' => 0]);
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if (!$productServices->isValidProduct($productId)) {
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throw new ValidateException('该商品已下架或删除');
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}
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if (!($unique && $attrValueServices->getAttrvalueCount($productId, $unique, 0))) {
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throw new ValidateException('请选择有效的商品属性');
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}
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$stockNum = $this->dao->value(['product_id' => $productId, 'product_attr_unique' => $unique, 'uid' => $uid, 'status' => 1], 'cart_num') ?: 0;
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$nowStock = $productServices->getProductStock($productId, $unique);//现有库存
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if ($nowStock < ($cartNum + $stockNum)) {
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$surplusStock = $nowStock - $cartNum;//剩余库存
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if ($surplusStock < 0) {
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throw new ValidateException('该商品库存不足' . $cartNum);
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} else {
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if ($surplusStock < $stockNum) {
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if ($surplusStock > 0) {
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$this->dao->update(['product_id' => $productId, 'product_attr_unique' => $unique, 'uid' => $uid, 'status' => 1], ['cart_num' => $surplusStock]);
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} else {
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if (!$productServices->value(['product_id' => $productId], 'spec_type')) $this->dao->update(['product_id' => $productId, 'product_attr_unique' => $unique, 'uid' => $uid], ['status' => 0]);
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}
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}
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}
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}
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}
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return [$res, $unique, $bargainUserInfo['bargain_price_min'] ?? 0, $cartNum];
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}
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/**
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* 添加购物车
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* @param int $uid 用户UID
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* @param int $product_id 商品ID
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* @param int $cart_num 商品数量
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* @param string $product_attr_unique 商品SKU
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* @param string $type 添加购物车类型
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* @param bool $new true = 立即购买，false = 加入购物车
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* @param int $combination_id 拼团商品ID
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* @param int $seckill_id 秒杀商品ID
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* @param int $bargain_id 砍价商品ID
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* @return mixed|string
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* @throws \Psr\SimpleCache\InvalidArgumentException
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* @throws \think\db\exception\DataNotFoundException
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* @throws \think\db\exception\DbException
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* @throws \think\db\exception\ModelNotFoundException
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*/
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public function setCart(int $uid, int $product_id, int $cart_num = 1, string $product_attr_unique = '', string $type = 'product', bool $new = false, int $combination_id = 0, int $seckill_id = 0, int $bargain_id = 0)
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{
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/** @var StoreProductServices $productServices */
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$productServices = app()->make(StoreProductServices::class);
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/** @var StoreSeckillServices $seckillService */
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$seckillService = app()->make(StoreSeckillServices::class);
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/** @var StoreBargainServices $bargainService */
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$bargainService = app()->make(StoreBargainServices::class);
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/** @var StoreCombinationServices $combinationService */
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$combinationService = app()->make(StoreCombinationServices::class);
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[$res, $product_attr_unique, $bargainPriceMin, $cart_num] = $this->checkProductStock($uid, $cart_num, $product_attr_unique, (int)$product_id, $seckill_id, $bargain_id, $combination_id);
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if ($new) {
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$key = $this->getCartId($uid);
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$info['id'] = $key;
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$info['type'] = $type;
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$info['seckill_id'] = $seckill_id;
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$info['bargain_id'] = $bargain_id;
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$info['combination_id'] = $combination_id;
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$info['product_id'] = $product_id;
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$info['product_attr_unique'] = $product_attr_unique;
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$info['cart_num'] = $cart_num;
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$productInfoField = ['id', 'image', 'cate_id', 'price', 'ot_price', 'vip_price', 'postage', 'give_integral', 'sales', 'stock', 'store_name', 'unit_name', 'is_show', 'is_del', 'is_postage', 'cost', 'is_sub', 'temp_id', 'is_vip'];
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$seckillInfoField = ['id', 'image', 'price', 'ot_price', 'postage', 'give_integral', 'sales', 'stock', 'title as store_name', 'unit_name', 'is_show', 'is_del', 'is_postage', 'cost', 'temp_id', 'weight', 'volume', 'start_time', 'stop_time', 'time_id'];
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$bargainInfoField = ['id', 'image', 'min_price as price', 'price as ot_price', 'postage', 'give_integral', 'sales', 'stock', 'title as store_name', 'unit_name', 'status as is_show', 'is_del', 'is_postage', 'cost', 'temp_id', 'weight', 'volume'];
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$combinationInfoField = ['id', 'image', 'price', 'postage', 'sales', 'stock', 'title as store_name', 'is_show', 'is_del', 'is_postage', 'cost', 'temp_id', 'weight', 'volume'];
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if ($seckill_id) {
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$info['productInfo'] = $seckillService->get($seckill_id, $seckillInfoField)->toArray();
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} elseif ($bargain_id) {
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$info['productInfo'] = $bargainService->get($bargain_id, $bargainInfoField)->toArray();
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} elseif ($combination_id) {
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$info['productInfo'] = $combinationService->get($combination_id, $combinationInfoField)->toArray();
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} else {
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$info['productInfo'] = $productServices->get($product_id, $productInfoField)->toArray();
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}
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$info['productInfo']['attrInfo'] = $res->toArray();
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//砍价
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if ($bargain_id) {
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$info['truePrice'] = $bargainPriceMin;
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$info['productInfo']['attrInfo']['price'] = $bargainPriceMin;
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} else {
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$info['truePrice'] = $info['productInfo']['attrInfo']['price'] ?? $info['productInfo']['price'] ?? 0;
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}
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//拼团砍价秒杀不参与会员价
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if (!$bargain_id || !$combination_id || !$seckill_id) {
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$info['truePrice'] = $productServices->setLevelPrice($info['productInfo']['attrInfo']['price'], $uid, true, 0, $info['productInfo']['attrInfo']['vip_price'] ?? 0, $info['productInfo']['is_vip'] ?? 0, true);
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$info['vip_truePrice'] = (float)$productServices->setLevelPrice($info['productInfo']['attrInfo']['price'], $uid, false, 0, $info['productInfo']['attrInfo']['vip_price'] ?? 0, $info['productInfo']['is_vip'] ?? 0, true);
|
||
} else {
|
||
$info['vip_truePrice'] = 0;
|
||
}
|
||
$info['trueStock'] = $info['productInfo']['attrInfo']['stock'];
|
||
$info['costPrice'] = $info['productInfo']['attrInfo']['cost'];
|
||
try {
|
||
CacheService::redisHandler()->set($key, $info, 3600);
|
||
} catch (\Throwable $e) {
|
||
throw new ValidateException($e->getMessage());
|
||
}
|
||
return $key;
|
||
} else {
|
||
//加入购物车记录
|
||
ProductLogJob::dispatch(['cart', ['uid' => $uid, 'product_id' => $product_id, 'cart_num' => $cart_num]]);
|
||
$cart = $this->dao->getOne(['type' => $type, 'uid' => $uid, 'product_id' => $product_id, 'product_attr_unique' => $product_attr_unique, 'is_del' => 0, 'is_new' => 0, 'is_pay' => 0, 'status' => 1]);
|
||
if ($cart) {
|
||
$cart->cart_num = $cart_num + $cart->cart_num;
|
||
$cart->add_time = time();
|
||
$cart->save();
|
||
return $cart->id;
|
||
} else {
|
||
$add_time = time();
|
||
return $this->dao->save(compact('uid', 'product_id', 'cart_num', 'product_attr_unique', 'type', 'add_time'))->id;
|
||
}
|
||
}
|
||
|
||
}
|
||
|
||
/**移除购物车商品
|
||
* @param int $uid
|
||
* @param array $ids
|
||
* @return StoreCartDao|bool
|
||
*/
|
||
public function removeUserCart(int $uid, array $ids)
|
||
{
|
||
if (!$uid || !$ids) return false;
|
||
return $this->dao->removeUserCart($uid, $ids);
|
||
}
|
||
|
||
/**购物车 修改商品数量
|
||
* @param $id
|
||
* @param $number
|
||
* @param $uid
|
||
* @return bool|\crmeb\basic\BaseModel
|
||
* @throws \think\db\exception\DataNotFoundException
|
||
* @throws \think\db\exception\DbException
|
||
* @throws \think\db\exception\ModelNotFoundException
|
||
*/
|
||
public function changeUserCartNum($id, $number, $uid)
|
||
{
|
||
if (!$id || !$number || !$uid) return false;
|
||
$where = ['uid' => $uid, 'id' => $id];
|
||
$carInfo = $this->dao->getOne($where, 'product_id,combination_id,seckill_id,bargain_id,product_attr_unique,cart_num');
|
||
/** @var StoreProductServices $StoreProduct */
|
||
$StoreProduct = app()->make(StoreProductServices::class);
|
||
$stock = $StoreProduct->getProductStock($carInfo->product_id, $carInfo->product_attr_unique);
|
||
if (!$stock) throw new ValidateException('暂无库存');
|
||
if (!$number) throw new ValidateException('库存错误');
|
||
if ($stock < $number) throw new ValidateException('库存不足' . $number);
|
||
if ($carInfo->cart_num == $number) return true;
|
||
return $this->dao->changeUserCartNum(['uid' => $uid, 'id' => $id], $number);
|
||
}
|
||
|
||
/**
|
||
* 修改购物车状态
|
||
* @param int $productId
|
||
* @param int $type 1 商品下架
|
||
*/
|
||
public function changeStatus(int $productId)
|
||
{
|
||
$this->dao->update($productId, ['status' => 0], 'product_id');
|
||
}
|
||
|
||
/**
|
||
* 获取购物车列表
|
||
* @param int $uid
|
||
* @param int $status
|
||
* @return array
|
||
* @throws \think\db\exception\DataNotFoundException
|
||
* @throws \think\db\exception\DbException
|
||
* @throws \think\db\exception\ModelNotFoundException
|
||
*/
|
||
public function getUserCartList(int $uid, int $status, string $cartIds = '')
|
||
{
|
||
[$page, $limit] = $this->getPageValue();
|
||
$list = $this->dao->getCartList(['uid' => $uid, 'status' => $status, 'id' => $cartIds], $page, $limit, ['productInfo', 'attrInfo']);
|
||
/** @var StoreProductServices $productServices */
|
||
$productServices = app()->make(StoreProductServices::class);
|
||
foreach ($list as &$item) {
|
||
$item['attrStatus'] = $item['attrInfo']['stock'] ? true : false;
|
||
$item['productInfo']['attrInfo'] = $item['attrInfo'] ?? [];
|
||
$item['productInfo']['attrInfo']['image'] = $item['attrInfo']['image'] ?? $item['productInfo']['image'] ?? '';
|
||
$item['productInfo']['attrInfo']['suk'] = $item['attrInfo']['suk'] ?? '已失效';
|
||
$productInfo = $item['productInfo'];
|
||
if (isset($productInfo['attrInfo']['product_id']) && $item['product_attr_unique']) {
|
||
$item['costPrice'] = $productInfo['attrInfo']['cost'] ?? 0;
|
||
$item['trueStock'] = $productInfo['attrInfo']['stock'] ?? 0;
|
||
$item['truePrice'] = $productServices->setLevelPrice($productInfo['attrInfo']['price'] ?? 0, $uid, true, 0, $item['attrInfo']['vip_price'] ?? 0, $productInfo['is_vip'] ?? 0, true);
|
||
$item['vip_truePrice'] = (float)$productServices->setLevelPrice($productInfo['attrInfo']['price'] ?? 0, $uid, false, 0, $item['attrInfo']['vip_price'] ?? 0, $productInfo['is_vip'] ?? 0, true);
|
||
} else {
|
||
$item['costPrice'] = $item['productInfo']['cost'] ?? 0;
|
||
$item['trueStock'] = $item['productInfo']['stock'] ?? 0;
|
||
$item['truePrice'] = $productServices->setLevelPrice($item['productInfo']['price'] ?? 0, $uid, true, 0, $item['attrInfo']['vip_price'] ?? 0, $item['productInfo']['is_vip'] ?? 0);
|
||
$item['vip_truePrice'] = (float)$productServices->setLevelPrice($item['productInfo']['price'] ?? 0, $uid, false, 0, $item['attrInfo']['vip_price'] ?? 0, $item['productInfo']['is_vip'] ?? 0);
|
||
}
|
||
unset($item['attrInfo']);
|
||
}
|
||
$seckillIds = array_unique(array_column($list, 'seckill_id'));
|
||
$bargainIds = array_unique(array_column($list, 'bargain_id'));
|
||
$combinationId = array_unique(array_column($list, 'combination_id'));
|
||
$deduction = ['seckill_id' => $seckillIds[0] ?? 0, 'bargain_id' => $bargainIds[0] ?? 0, 'combination_id' => $combinationId[0] ?? 0];
|
||
if ($status == 1) {
|
||
return ['valid' => $list, 'invalid' => [], 'deduction' => $deduction];
|
||
} else {
|
||
return ['valid' => [], 'invalid' => $list, 'deduction' => $deduction];
|
||
}
|
||
}
|
||
|
||
/**
|
||
* 购物车重选
|
||
* @param int $cart_id
|
||
* @param int $product_id
|
||
* @param string $unique
|
||
*/
|
||
public function modifyCart(int $cart_id, int $product_id, string $unique)
|
||
{
|
||
/** @var StoreProductAttrValueServices $attrService */
|
||
$attrService = app()->make(StoreProductAttrValueServices::class);
|
||
$stock = $attrService->value(['product_id' => $product_id, 'unique' => $unique, 'type' => 0], 'stock');
|
||
if ($stock > 0) {
|
||
$this->dao->update($cart_id, ['product_attr_unique' => $unique, 'cart_num' => 1]);
|
||
} else {
|
||
throw new ValidateException('选择的规格库存不足');
|
||
}
|
||
}
|
||
|
||
/**
|
||
* 重选购物车
|
||
* @param $id
|
||
* @param $uid
|
||
* @param $productId
|
||
* @param $unique
|
||
* @param $num
|
||
* @throws \think\db\exception\DataNotFoundException
|
||
* @throws \think\db\exception\DbException
|
||
* @throws \think\db\exception\ModelNotFoundException
|
||
*/
|
||
public function resetCart($id, $uid, $productId, $unique, $num)
|
||
{
|
||
$res = $this->dao->getOne(['uid' => $uid, 'product_id' => $productId, 'product_attr_unique' => $unique]);
|
||
if ($res) {
|
||
$res->cart_num = $res->cart_num + $num;
|
||
$res->save();
|
||
$this->dao->delete($id);
|
||
} else {
|
||
$this->dao->update($id, ['product_attr_unique' => $unique, 'cart_num' => $num]);
|
||
}
|
||
}
|
||
|
||
/**
|
||
* 首页加入购物车
|
||
* @param $uid
|
||
* @param $productId
|
||
* @param $num
|
||
* @param $unique
|
||
* @param $type
|
||
* @return mixed
|
||
* @throws \think\db\exception\DataNotFoundException
|
||
* @throws \think\db\exception\DbException
|
||
* @throws \think\db\exception\ModelNotFoundException
|
||
*/
|
||
public function setCartNum($uid, $productId, $num, $unique, $type)
|
||
{
|
||
/** @var StoreProductAttrValueServices $attrValueServices */
|
||
$attrValueServices = app()->make(StoreProductAttrValueServices::class);
|
||
|
||
if ($unique == '') {
|
||
$unique = $attrValueServices->value(['product_id' => $productId, 'type' => 0], 'unique');
|
||
}
|
||
/** @var StoreProductServices $productServices */
|
||
$productServices = app()->make(StoreProductServices::class);
|
||
|
||
if (!$productServices->isValidProduct((int)$productId)) {
|
||
throw new ValidateException('该商品已下架或删除');
|
||
}
|
||
if (!($unique && $attrValueServices->getAttrvalueCount($productId, $unique, 0))) {
|
||
throw new ValidateException('请选择有效的商品属性');
|
||
}
|
||
if ($productServices->getProductStock((int)$productId, $unique) < $num) {
|
||
throw new ValidateException('该商品库存不足' . $num);
|
||
}
|
||
|
||
$cart = $this->dao->getOne(['type' => 'product', 'uid' => $uid, 'product_id' => $productId, 'product_attr_unique' => $unique]);
|
||
if ($cart) {
|
||
if ($type == -1) {
|
||
$cart->cart_num = $num;
|
||
} elseif ($type == 0) {
|
||
$cart->cart_num = $cart->cart_num - $num;
|
||
} elseif ($type == 1) {
|
||
$cart->cart_num = $cart->cart_num + $num;
|
||
}
|
||
if ($cart->cart_num === 0) {
|
||
return $this->dao->delete($cart->id);
|
||
} else {
|
||
$cart->add_time = time();
|
||
$cart->save();
|
||
return $cart->id;
|
||
}
|
||
} else {
|
||
$data = [
|
||
'uid' => $uid,
|
||
'product_id' => $productId,
|
||
'cart_num' => $num,
|
||
'product_attr_unique' => $unique,
|
||
'type' => 'product',
|
||
'add_time' => time()
|
||
];
|
||
return $this->dao->save($data)->id;
|
||
}
|
||
}
|
||
}
|