拆分think模块包

2024-08-13 17:51:18 +08:00
parent 9dc17cd63e
commit 09a752e12a
1547 changed files with 88305 additions and 10329 deletions
@@ -0,0 +1,124 @@
+package com.gxwebsoft.shop.service.impl;
+
+import cn.hutool.core.map.MapUtil;
+import cn.hutool.core.util.ObjectUtil;
+import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import com.github.yulichang.wrapper.MPJLambdaWrapper;
+import com.gxwebsoft.shop.entity.Goods;
+import com.gxwebsoft.shop.entity.GoodsSpec;
+import com.gxwebsoft.shop.mapper.CartMapper;
+import com.gxwebsoft.shop.service.CartService;
+import com.gxwebsoft.shop.entity.Cart;
+import com.gxwebsoft.shop.param.CartParam;
+import com.gxwebsoft.common.core.web.PageParam;
+import com.gxwebsoft.common.core.web.PageResult;
+import com.gxwebsoft.shop.vo.CartShopVo;
+import com.gxwebsoft.shop.vo.CartVo;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+import java.math.BigDecimal;
+import java.util.*;
+import java.util.stream.Collectors;
+
+/**
+ * 购物车Service实现
+ *
+ * @author 科技小王子
+ * @since 2024-07-29 21:02:39
+ */
+@Service
+public class CartServiceImpl extends ServiceImpl<CartMapper, Cart> implements CartService {
+
+  @Override
+  public PageResult<Cart> pageRel(CartParam param) {
+    PageParam<Cart, CartParam> page = new PageParam<>(param);
+    page.setDefaultOrder("create_time desc");
+    List<Cart> list = baseMapper.selectPageRel(page, param);
+    return new PageResult<>(list, page.getTotal());
+  }
+
+  @Override
+  @Transactional(rollbackFor = {Exception.class})
+  public CartVo listRel(CartParam param) {
+    List<Cart> list = baseMapper.selectListRel(param);
+    // 排序
+    PageParam<Cart, CartParam> page = new PageParam<>();
+    page.setDefaultOrder("create_time desc");
+    final List<Cart> carts = page.sortRecords(list);
+    System.out.println("carts = " + carts.size());
+    // 整理数据
+    final CartVo vo = new CartVo();
+    // 计算单品总价
+    for (Cart cart : carts) {
+      cart.setTotalPrice(cart.getPrice().multiply(BigDecimal.valueOf(cart.getCartNum())));
+    }
+    // 计算购物车金额
+    final Integer cartNum = carts.stream().map(Cart::getCartNum).reduce(Integer::sum).orElse(0);
+    final Integer selectNums = carts.stream().filter(d -> d.getSelected().equals(true)).map(Cart::getCartNum).reduce(Integer::sum).orElse(0);
+    final BigDecimal totalPrice = carts.stream().filter(d -> d.getSelected().equals(true)).map(Cart::getTotalPrice).reduce(BigDecimal.ZERO, BigDecimal::add);
+    // 按店铺ID分组
+    final Map<Integer, List<Cart>> collectCart = carts.stream().collect(Collectors.groupingBy(Cart::getMerchantId));
+    final ArrayList<CartShopVo> shops = new ArrayList<>();
+    if (MapUtil.isNotEmpty(collectCart)) {
+      for (Integer shopId : collectCart.keySet()) {
+        final CartShopVo shopVo = new CartShopVo();
+        shopVo.setShopId(shopId);
+        shopVo.setCarts(collectCart.get(shopId));
+        if (ObjectUtil.isNotEmpty(collectCart.get(shopId).get(0))) {
+          final Cart cart = collectCart.get(shopId).get(0);
+          shopVo.setShopName(cart.getMerchantName());
+          shopVo.setShopLogo(cart.getImage());
+          shopVo.setAddress(cart.getAddress());
+        }
+        shops.add(shopVo);
+      }
+    }
+
+    vo.setShops(shops);
+    vo.setTotalPrice(totalPrice);
+    vo.setTotalNums(Long.valueOf(cartNum));
+    vo.setSelectNums(Long.valueOf(selectNums));
+//    updateBatchById(carts);
+
+    return vo;
+  }
+
+  @Override
+  public Cart getByIdRel(Integer id) {
+    CartParam param = new CartParam();
+    param.setId(id);
+    return param.getOne(baseMapper.selectListRel(param));
+  }
+
+  @Override
+  public List<Cart> listRelMpj(CartParam param) {
+
+    // 多表查询
+    MPJLambdaWrapper<Cart> mpjLambdaWrapper = new MPJLambdaWrapper<>();
+    mpjLambdaWrapper.selectAll(Cart.class)
+      .select(Goods::getGoodsName)
+      .select(Goods::getImage)
+      .leftJoin(Goods.class,Goods::getGoodsId,Cart::getGoodsId).eq(Cart::getUserId,param.getUserId());
+
+      // 查询选中状态
+      if(param.getSelected() != null){
+        mpjLambdaWrapper.eq(Cart::getSelected, param.getSelected());
+      }
+      // 商品类型 0商城 1预定
+      if(param.getType() != null){
+        mpjLambdaWrapper.eq(Cart::getType,param.getType());
+      }
+      // 是否为立即购买
+      if(param.getIsNew() != null){
+        mpjLambdaWrapper.eq(Cart::getIsNew,param.getIsNew());
+      }
+      // 指定cartId
+      if(param.getId() != null){
+        mpjLambdaWrapper.eq(Cart::getId,param.getId());
+      }
+    System.out.println("mpjLambdaWrapper = " + mpjLambdaWrapper);
+    return baseMapper.selectJoinList(Cart.class, mpjLambdaWrapper);
+  }
+
+}