新增删除seller接口

src/main/java/com/aida/seller/module/designer/controller/DesignerController.java

@@ -87,4 +87,12 @@ public class DesignerController {
         DesignerDTO designerInfo = designerService.getDesignerInfo(userId);
         return Response.success(designerInfo);
     }
+
+    @Operation(summary = "删除设计师", description = "根据当前登录用户ID逻辑删除设计师及其所有关联数据（订单、订单明细、商品、商品图片）")
+    @DeleteMapping("/delete")
+    public Response<Void> delete() {
+        Long userId = UserContext.getUserId();
+        designerService.deleteByUserId(userId);
+        return Response.success();
+    }
 }

src/main/java/com/aida/seller/module/designer/service/DesignerService.java

@@ -49,4 +49,13 @@ public interface DesignerService extends IService<DesignerEntity> {
      * 获取设计师详细信息
      */
     DesignerDTO getDesignerInfo(Long userId);
+
+    /**
+     * 删除设计师（逻辑删除）及其所有关联数据
+     * <p>级联删除：seller_designer（按userId）→ seller_orders → seller_order_item、
+     * seller_listing → seller_listing_image</p>
+     *
+     * @param userId 用户ID
+     */
+    void deleteByUserId(Long userId);
 }

src/main/java/com/aida/seller/module/designer/service/DesignerServiceImpl.java

@@ -9,6 +9,14 @@ import com.aida.seller.module.designer.dto.DesignerDTO;
 import com.aida.seller.module.designer.entity.DesignerEntity;
 import com.aida.seller.module.designer.enums.DesignerApplyStatusEnum;
 import com.aida.seller.module.designer.mapper.DesignerMapper;
+import com.aida.seller.module.listing.entity.ListingEntity;
+import com.aida.seller.module.listing.entity.ListingImageEntity;
+import com.aida.seller.module.listing.mapper.ListingImageMapper;
+import com.aida.seller.module.listing.mapper.ListingMapper;
+import com.aida.seller.module.order.entity.OrderInfoEntity;
+import com.aida.seller.module.order.entity.OrderItemEntity;
+import com.aida.seller.module.order.mapper.OrderInfoMapper;
+import com.aida.seller.module.order.mapper.OrderItemMapper;
 import com.aida.seller.util.MinioUtil;
 import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import com.baomidou.mybatisplus.core.metadata.IPage;
@@ -18,6 +26,9 @@ import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
+import java.util.List;
+import java.util.stream.Collectors;
+
 import java.time.LocalDateTime;
 
 @Service
@@ -25,6 +36,11 @@ import java.time.LocalDateTime;
 public class DesignerServiceImpl extends ServiceImpl<DesignerMapper, DesignerEntity> implements DesignerService {
 
     private final MinioUtil minioUtil;
+    private final OrderInfoMapper orderInfoMapper;
+    private final OrderItemMapper orderItemMapper;
+    private final ListingMapper listingMapper;
+    private final ListingImageMapper listingImageMapper;
+
     @Override
     public Boolean checkQualification(Long userId) {
         DesignerEntity entity = this.getOne(
@@ -218,4 +234,66 @@ public class DesignerServiceImpl extends ServiceImpl<DesignerMapper, DesignerEnt
 
         return dto;
     }
+
+    @Override
+    @Transactional(rollbackFor = Exception.class)
+    public void deleteByUserId(Long userId) {
+        DesignerEntity designer = this.getOne(
+            new LambdaQueryWrapper<DesignerEntity>()
+                .eq(DesignerEntity::getUserId, userId)
+                .last("LIMIT 1")
+        );
+        if (designer == null) {
+            throw new BusinessException("设计师记录不存在");
+        }
+
+        Long sellerId = designer.getId();
+
+        // 1. 查询所有关联的 listing_id，再删除 listing 及其图片
+        List<ListingEntity> listings = listingMapper.selectList(
+            new LambdaQueryWrapper<ListingEntity>()
+                .eq(ListingEntity::getSellerId, sellerId)
+        );
+        if (!listings.isEmpty()) {
+            List<Long> listingIds = listings.stream()
+                .map(ListingEntity::getId)
+                .collect(Collectors.toList());
+
+            // 逻辑删除关联的图片
+            listingImageMapper.delete(
+                new LambdaQueryWrapper<ListingImageEntity>()
+                    .in(ListingImageEntity::getListingId, listingIds)
+            );
+            // 逻辑删除 listing
+            listingMapper.delete(
+                new LambdaQueryWrapper<ListingEntity>()
+                    .eq(ListingEntity::getSellerId, sellerId)
+            );
+        }
+
+        // 2. 删除 seller_orders 及关联的 order_item
+        List<OrderInfoEntity> orders = orderInfoMapper.selectList(
+            new LambdaQueryWrapper<OrderInfoEntity>()
+                .eq(OrderInfoEntity::getSellerId, sellerId)
+        );
+        if (!orders.isEmpty()) {
+            List<Long> orderIds = orders.stream()
+                .map(OrderInfoEntity::getId)
+                .collect(Collectors.toList());
+
+            // 逻辑删除关联的订单明细
+            orderItemMapper.delete(
+                new LambdaQueryWrapper<OrderItemEntity>()
+                    .in(OrderItemEntity::getOrderId, orderIds)
+            );
+            // 逻辑删除订单
+            orderInfoMapper.delete(
+                new LambdaQueryWrapper<OrderInfoEntity>()
+                    .eq(OrderInfoEntity::getSellerId, sellerId)
+            );
+        }
+
+        // 3. 逻辑删除设计师本人
+        this.removeById(sellerId);
+    }
 }

src/main/java/com/aida/seller/module/listing/entity/ListingImageEntity.java

@@ -1,7 +1,6 @@
 package com.aida.seller.module.listing.entity;
 
 import com.baomidou.mybatisplus.annotation.*;
-import com.fasterxml.jackson.annotation.JsonFormat;
 import com.fasterxml.jackson.databind.annotation.JsonSerialize;
 import com.fasterxml.jackson.databind.ser.std.ToStringSerializer;
 import lombok.Data;
@@ -43,4 +42,7 @@ public class ListingImageEntity implements Serializable {
     @TableField(fill = FieldFill.INSERT)
     private LocalDateTime createTime;
 
+    /** 是否删除：0-否，1-是 */
+    @TableLogic
+    private Integer deleted;
 }

src/main/java/com/aida/seller/module/listing/service/ListingServiceImpl.java

@@ -71,7 +71,8 @@ public class ListingServiceImpl extends ServiceImpl<ListingMapper, ListingEntity
             ListingEntity existing = this.getOne(
                     new LambdaQueryWrapper<ListingEntity>()
                             .eq(ListingEntity::getId, dto.getId())
-                            .eq(ListingEntity::getSellerId, sellerId));
+                            .eq(ListingEntity::getSellerId, sellerId)
+                            .eq(ListingEntity::getDeleted, 0));
             if (existing == null) {
                 throw new BusinessException("商品不存在");
             }
@@ -111,7 +112,8 @@ public class ListingServiceImpl extends ServiceImpl<ListingMapper, ListingEntity
         ListingEntity entity = this.getOne(
                 new LambdaQueryWrapper<ListingEntity>()
                         .eq(ListingEntity::getId, id)
-                        .eq(ListingEntity::getSellerId, sellerId));
+                        .eq(ListingEntity::getSellerId, sellerId)
+                        .eq(ListingEntity::getDeleted, 0));
         if (entity == null) {
             throw new BusinessException("商品不存在");
         }
@@ -141,6 +143,7 @@ public class ListingServiceImpl extends ServiceImpl<ListingMapper, ListingEntity
         Page<ListingEntity> pageParam = new Page<>(dto.getPageNum(), dto.getPageSize());
         LambdaQueryWrapper<ListingEntity> queryWrapper = new LambdaQueryWrapper<>();
         queryWrapper.eq(ListingEntity::getSellerId, sellerId);
+        queryWrapper.eq(ListingEntity::getDeleted, 0);
         if (dto.getStatus() != null) {
             queryWrapper.eq(ListingEntity::getStatus, dto.getStatus());
         } else {
@@ -164,7 +167,8 @@ public class ListingServiceImpl extends ServiceImpl<ListingMapper, ListingEntity
         ListingEntity existing = this.getOne(
                 new LambdaQueryWrapper<ListingEntity>()
                         .eq(ListingEntity::getId, id)
-                        .eq(ListingEntity::getSellerId, sellerId));
+                        .eq(ListingEntity::getSellerId, sellerId)
+                        .eq(ListingEntity::getDeleted, 0));
         if (existing == null) {
             throw new BusinessException("商品不存在");
         }

src/main/java/com/aida/seller/module/order/service/OrderServiceImpl.java

@@ -78,7 +78,7 @@ public class OrderServiceImpl extends ServiceImpl<OrderInfoMapper, OrderInfoEnti
                     .like(OrderInfoEntity::getId, keyword)
                     .or()
                     .inSql(OrderInfoEntity::getId,
-                            "SELECT order_id FROM seller_order_item WHERE product_name LIKE '%" + keyword + "%'")
+                            "SELECT order_id FROM seller_order_item WHERE deleted = 0 AND product_name LIKE '%" + keyword + "%'")
             );
         }
 

src/main/resources/db/schema.sql

@@ -28,7 +28,9 @@ CREATE TABLE seller_listing_image (
     sort_order      INT DEFAULT 0 COMMENT '排序',
     is_selected     INT(1) DEFAULT 0 COMMENT '是否选中: 0-未选中, 1-选中(仅product有效)',
     create_time     DATETIME DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',
-    INDEX idx_listing_id (listing_id)
+    deleted         INT(1) DEFAULT 0 COMMENT '是否删除：0-否，1-是',
+    INDEX idx_listing_id (listing_id),
+    INDEX idx_deleted (deleted)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='商品图片表';
 
 -- 设计师表