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80 lines
2.3 KiB
80 lines
2.3 KiB
<?php
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namespace App\Service\v3\Implementations;
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use App\Constants\v3\ErrorCode;
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use App\Exception\ErrorCodeException;
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use App\Service\v3\Interfaces\GoodsServiceInterface;
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use Hyperf\DbConnection\Db;
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use App\Model\v3\Goods;
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use App\Model\v3\GoodsBanner;
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use App\Constants\v3\Store;
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use App\Constants\v3\goods as goodsConstants;
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use Hyperf\Redis\Redis;
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use Hyperf\Utils\ApplicationContext;
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class GoodsService implements GoodsServiceInterface
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{
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public function do($goodsId)
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{
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}
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public function check(Goods $goods,$num = 1)
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{
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$redis = ApplicationContext::getContainer()->get(Redis::class);
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$inventoryKey = 'goods_inventory_sold_1_'.$goods->id; // 拼接activity_type和goods_id
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if (empty($goods)) {
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return ErrorCode::GOODS_NOT_EXISTS;
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}
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// 商户歇业
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if($goods->store->is_rest == 1){
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return ErrorCode::STORE_REST;
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}
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// 商品下架或已删除
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if($goods->on_sale == 0 || !is_null($goods->deleted_at)){
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return ErrorCode::GOODS_ON_SALE_NO;
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}
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// 商品库存不足
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// 获取冻结的库存
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$inventoryFrozen = (int)$redis->get($inventoryKey);
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// $inventoryFrozen = 0;
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if($goods->is_infinite != 1 && $goods->inventory < ($num+$inventoryFrozen)){
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return ErrorCode::GOODS_INVENTORY_ERROR;
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}
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// 压redis库存
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// redis记录当前商品的购买数量，压库存，下单失败、下单成功扣库存成功、订单取消的时候释放
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if (!$redis->exists($inventoryKey)) {
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$redis->set($inventoryKey, $num);
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} else {
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$redis->incrBy($inventoryKey, intval($num));
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}
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// 是否超过限购数量
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if ($goods->restrict_num != 0 && $goods->restrict_num < $num) {
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return ErrorCode::GOODS_RESTRICT_LIMIT;
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}
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return true;
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}
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public function undo()
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{
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// TODO: Implement undo() method.
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}
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public function getBanner($goodsId)
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{
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$banner = GoodsBanner::query()->where('goods_id',$goodsId)->orderByDesc('type')->get();
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return $banner;
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}
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public function detail($goodsId)
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{
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$res = Goods::query()->with('store')->where('id',$goodsId)->first();
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return $res;
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}
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}
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