添加删除消息接口

src/main/java/cn/meteor/beyondclouds/modules/message/api/MessageApi.java

@@ -64,7 +64,7 @@ public class MessageApi {
         return Response.success(messagePageDTO);
     }
 
-    @ApiOperation("消息详情")
+    @ApiOperation("删除消息")
     @GetMapping("/message/{messageId}")
     public Response getTopic(@PathVariable("messageId") String messageId) {
         try {
@@ -77,5 +77,29 @@ public class MessageApi {
 
     }
 
+    @ApiOperation("删除所有消息")
+    @DeleteMapping("/message")
+    public Response delAllMessage(@CurrentSubject Subject subject) {
+
+            messageService.deleteAllMessage((String) subject.getId());
+            return Response.success();
+
+    }
+
+
+    @ApiOperation("删除消息")
+    @DeleteMapping("/message/{messageId}")
+    public Response delMessage(@PathVariable("messageId") String messageId, @CurrentSubject Subject subject) {
+
+        try {
+            messageService.deleteMessage(messageId, (String) subject.getId());
+            return Response.success();
+        } catch (MessageServiceException e) {
+            e.printStackTrace();
+            return Response.error(e);
+        }
+
+    }
+
 }
 

src/main/java/cn/meteor/beyondclouds/modules/message/service/IMessageService.java

@@ -6,6 +6,8 @@ import cn.meteor.beyondclouds.modules.message.exception.MessageServiceException;
 import com.baomidou.mybatisplus.core.metadata.IPage;
 import com.baomidou.mybatisplus.extension.service.IService;
 
+import java.io.Serializable;
+
 /**
  * <p>
  *  服务类
@@ -45,4 +47,17 @@ public interface IMessageService extends IService<Message> {
     Message getMessage(String messageId) throws MessageServiceException;
 
 
+    /**
+     * 删除单个消息
+     * @param messageId
+     * @param userId
+     * @throws MessageServiceException
+     */
+    void deleteMessage(String messageId, String userId) throws MessageServiceException;
+
+    /**
+     * 删除所有消息
+     * @param userId
+     */
+    void deleteAllMessage(String userId);
 }

src/main/java/cn/meteor/beyondclouds/modules/message/service/impl/MessageServiceImpl.java

@@ -65,4 +65,32 @@ public class MessageServiceImpl extends ServiceImpl<MessageMapper, Message> impl
         //2. 返回消息详情
         return message;
     }
+
+    @Override
+    public void deleteMessage(String messageId, String userId) throws MessageServiceException{
+
+        //1. 判断有没有这条消息
+        QueryWrapper<Message> messageQueryWrapper = new QueryWrapper<>();
+        messageQueryWrapper
+                .eq("message_id",messageId)
+                .eq("user_id",userId);
+        Message message = getOne(messageQueryWrapper);
+
+        //2. 若找不到该消息，抛出业务异常
+        if (message == null) {
+            throw new MessageServiceException(MessageErrorCode.MESSAGE_NOT_EXIST);
+        }
+
+        //3. 删除该条消息
+        removeById(messageId);
+    }
+
+    @Override
+    public void deleteAllMessage(String userId) {
+
+        QueryWrapper<Message> messageQueryWrapper = new QueryWrapper<>();
+        messageQueryWrapper.eq("user_id",userId);
+
+        remove(messageQueryWrapper);
+    }
 }