diff --git a/sky-server/src/main/java/com/sky/controller/user/ShoppingCartController.java b/sky-server/src/main/java/com/sky/controller/user/ShoppingCartController.java new file mode 100644 index 0000000..0ed51d0 --- /dev/null +++ b/sky-server/src/main/java/com/sky/controller/user/ShoppingCartController.java @@ -0,0 +1,32 @@ +package com.sky.controller.user; + +import com.sky.dto.ShoppingCartDTO; +import com.sky.result.Result; +import com.sky.service.ShoppingCartService; +import io.swagger.annotations.Api; +import io.swagger.annotations.ApiOperation; +import lombok.extern.slf4j.Slf4j; +import org.springframework.beans.factory.annotation.Autowired; +import org.springframework.web.bind.annotation.PostMapping; +import org.springframework.web.bind.annotation.RequestBody; +import org.springframework.web.bind.annotation.RequestMapping; +import org.springframework.web.bind.annotation.RestController; + +@RequestMapping("/user/shoppingCart") +@RestController +@Slf4j +@Api(tags = "C端购物车相关接口") +public class ShoppingCartController { + + @Autowired + private ShoppingCartService shoppingCartService; + + @PostMapping("/add") + @ApiOperation("添加购物车") + public Result add(@RequestBody ShoppingCartDTO shoppingCartDTO){ + log.info("添加购物车：商品信息：{}",shoppingCartDTO); + //调用购物车业务层的添加购物车功能 + shoppingCartService.addShoppingCart(shoppingCartDTO); + return Result.success(); + } +} diff --git a/sky-server/src/main/java/com/sky/mapper/ShoppingCartMapper.java b/sky-server/src/main/java/com/sky/mapper/ShoppingCartMapper.java new file mode 100644 index 0000000..75c3dce --- /dev/null +++ b/sky-server/src/main/java/com/sky/mapper/ShoppingCartMapper.java @@ -0,0 +1,24 @@ +package com.sky.mapper; + +import com.sky.dto.ShoppingCartDTO; +import com.sky.entity.ShoppingCart; +import org.apache.ibatis.annotations.Insert; +import org.apache.ibatis.annotations.Mapper; +import org.apache.ibatis.annotations.Update; + +import java.util.List; + +@Mapper +public interface ShoppingCartMapper { + List list(ShoppingCart shoppingCart); + + /* + * 修改对应购物车商品的数量 + * */ + @Update("update shopping_cart set number = #{number} where id = #{id}") + void updateNumberById(ShoppingCart cart); + + @Insert("insert into shopping_cart (name, user_id, dish_id, setmeal_id, dish_flavor, number, amount, image, create_time) " + + "values (#{name},#{userId},#{dishId},#{setmealId},#{dishFlavor},#{number},#{amount},#{image},#{createTime})") + void insert(ShoppingCart cart); +} diff --git a/sky-server/src/main/java/com/sky/service/ShoppingCartService.java b/sky-server/src/main/java/com/sky/service/ShoppingCartService.java new file mode 100644 index 0000000..eb4a940 --- /dev/null +++ b/sky-server/src/main/java/com/sky/service/ShoppingCartService.java @@ -0,0 +1,10 @@ +package com.sky.service; + +import com.sky.dto.ShoppingCartDTO; + +public interface ShoppingCartService { + /* + 添加购物车 + */ + void addShoppingCart(ShoppingCartDTO shoppingCartDTO); +} diff --git a/sky-server/src/main/java/com/sky/service/impl/ShoppingCartServiceImpl.java b/sky-server/src/main/java/com/sky/service/impl/ShoppingCartServiceImpl.java new file mode 100644 index 0000000..14af251 --- /dev/null +++ b/sky-server/src/main/java/com/sky/service/impl/ShoppingCartServiceImpl.java @@ -0,0 +1,95 @@ +package com.sky.service.impl; + +import com.sky.context.BaseContext; +import com.sky.dto.ShoppingCartDTO; +import com.sky.entity.Dish; +import com.sky.entity.Setmeal; +import com.sky.entity.ShoppingCart; +import com.sky.mapper.DishMapper; +import com.sky.mapper.SetmealMapper; +import com.sky.mapper.ShoppingCartMapper; +import com.sky.service.ShoppingCartService; +import org.springframework.beans.BeanUtils; +import org.springframework.beans.factory.annotation.Autowired; +import org.springframework.stereotype.Service; + +import java.time.LocalDateTime; +import java.util.List; + +@Service +public class ShoppingCartServiceImpl implements ShoppingCartService { + + @Autowired + private ShoppingCartMapper shoppingCartMapper; + + @Autowired + private SetmealMapper setmealMapper; + + @Autowired + private DishMapper dishMapper; + + /* + 添加购物车 + */ + @Override + public void addShoppingCart(ShoppingCartDTO shoppingCartDTO) { + //封装一个用来查询购物车的实体类对象 + ShoppingCart shoppingCart = new ShoppingCart(); + BeanUtils.copyProperties(shoppingCartDTO,shoppingCart); + //设置用户id进行区分 + shoppingCart.setUserId(BaseContext.getCurrentId()); + + //1.判断当前用户的购物车中，是否有已经存在该商品（有可能是菜品或者套餐）（使用一条动态sql查询即可） + List cartList = shoppingCartMapper.list(shoppingCart); + + //2. 如果已经存在，则数量+1(update) + ShoppingCart cart = null; + if (cartList != null && cartList.size() > 0) { + cart = cartList.get(0); + cart.setNumber(cart.getNumber()+1); + shoppingCartMapper.updateNumberById(cart); + }else{ + + //3.如果不存在，则向购物车表中插入一条数据（insert） + //判断当前添加的是菜品还是套餐 + if (shoppingCartDTO.getSetmealId() != null) { + //添加的是套餐 + Setmeal setmeal = setmealMapper.getById(shoppingCartDTO.getSetmealId()); + //封装一个保存套餐的购物车对象 + cart = ShoppingCart.builder() + .name(setmeal.getName()) + .image(setmeal.getImage()) +// .userId(BaseContext.getCurrentId()) + .setmealId(shoppingCartDTO.getSetmealId()) +// .number(1) + .amount(setmeal.getPrice()) +// .createTime(LocalDateTime.now()) + .build(); +// shoppingCartMapper.insert(setmealCart); + }else{ + //添加的是菜品 + + Dish dish = dishMapper.getById(shoppingCartDTO.getDishId()); + //封装一个保存套餐的购物车对象 + cart = ShoppingCart.builder() + .name(dish.getName()) + .image(dish.getImage()) +// .userId(BaseContext.getCurrentId()) + .dishId(shoppingCartDTO.getDishId()) + .dishFlavor(shoppingCartDTO.getDishFlavor()) +// .number(1) + .amount(dish.getPrice()) +// .createTime(LocalDateTime.now()) + .build(); +// shoppingCartMapper.insert(dishCart); + } + //对不管是菜品还是套餐的相同操作，统一处理 + cart.setNumber(1); + cart.setUserId(BaseContext.getCurrentId()); + cart.setCreateTime(LocalDateTime.now()); + shoppingCartMapper.insert(cart); + } + + + } +} diff --git a/sky-server/src/main/resources/mapper/ShoppingCartMapper.xml b/sky-server/src/main/resources/mapper/ShoppingCartMapper.xml new file mode 100644 index 0000000..e0e0b27 --- /dev/null +++ b/sky-server/src/main/resources/mapper/ShoppingCartMapper.xml @@ -0,0 +1,21 @@ + + + + + \ No newline at end of file