From a79d4f40309196954dbcf6f3146c5c960a196d16 Mon Sep 17 00:00:00 2001
From: xiaoyong931011 <15274802129@163.com>
Date: Fri, 08 Oct 2021 11:55:33 +0800
Subject: [PATCH] 20211008

---
 src/main/java/cc/mrbird/febs/mall/service/impl/ApiMallGoodsServiceImpl.java |   25 +++++++++++++++++++++++++
 1 files changed, 25 insertions(+), 0 deletions(-)

diff --git a/src/main/java/cc/mrbird/febs/mall/service/impl/ApiMallGoodsServiceImpl.java b/src/main/java/cc/mrbird/febs/mall/service/impl/ApiMallGoodsServiceImpl.java
index 6a9f5a0..b7fc216 100644
--- a/src/main/java/cc/mrbird/febs/mall/service/impl/ApiMallGoodsServiceImpl.java
+++ b/src/main/java/cc/mrbird/febs/mall/service/impl/ApiMallGoodsServiceImpl.java
@@ -1,9 +1,14 @@
 package cc.mrbird.febs.mall.service.impl;
 
+import cc.mrbird.febs.common.exception.FebsException;
+import cc.mrbird.febs.mall.conversion.MallGoodsConversion;
+import cc.mrbird.febs.mall.conversion.MallMemberConversion;
 import cc.mrbird.febs.mall.dto.MallGoodsQueryDto;
 import cc.mrbird.febs.mall.entity.MallGoods;
+import cc.mrbird.febs.mall.mapper.MallGoodsImagesMapper;
 import cc.mrbird.febs.mall.mapper.MallGoodsMapper;
 import cc.mrbird.febs.mall.service.IApiMallGoodsService;
+import cc.mrbird.febs.mall.vo.MallGoodsDetailsVo;
 import cc.mrbird.febs.mall.vo.MallGoodsListVo;
 import com.baomidou.mybatisplus.core.metadata.IPage;
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
@@ -12,7 +17,9 @@
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.stereotype.Service;
 
+import java.math.BigDecimal;
 import java.util.List;
+import java.util.Map;
 
 /**
  * @author wzy
@@ -23,9 +30,27 @@
 @RequiredArgsConstructor
 public class ApiMallGoodsServiceImpl extends ServiceImpl<MallGoodsMapper, MallGoods> implements IApiMallGoodsService {
 
+    private final MallGoodsImagesMapper goodsImagesMapper;
+
     @Override
     public IPage<MallGoodsListVo> findMallGoodsListInPage(MallGoodsQueryDto queryDto) {
         Page<MallGoodsListVo> page = new Page<>(queryDto.getPageNow(), queryDto.getPageSize());
         return this.baseMapper.selectMallGoodsListQueryInPage(queryDto, page);
     }
+
+    @Override
+    public MallGoodsDetailsVo findMallGoodsDetailsById(Long id) {
+        MallGoods mallGoods = this.baseMapper.selectGoodsDetailById(id);
+        if (mallGoods == null) {
+            throw new FebsException("商品不存在");
+        }
+        List<String> images = goodsImagesMapper.selectGoodsImagesByGoodsId(mallGoods.getId());
+        MallGoodsDetailsVo mallGoodsDetailsVo = MallGoodsConversion.INSTANCE.entityToDetailsVo(mallGoods);
+
+        Map<String, BigDecimal> stockAndVolume = this.baseMapper.selectGoodsStockAndVolume(id);
+        mallGoodsDetailsVo.setStock(stockAndVolume.get("stock").intValue());
+        mallGoodsDetailsVo.setVolume(stockAndVolume.get("volume").intValue());
+        mallGoodsDetailsVo.setImages(images);
+        return mallGoodsDetailsVo;
+    }
 }

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