[BE][Feat] #415 : 채널 삭제 api 구현

- 채널 삭제 api 구현
- swagger 적용

backend/src/controllers/channelController.js

@@ -1,6 +1,7 @@
 import {
   addGuestService,
   createChannelService,
+  deleteChannelService,
   getChannelByIdService,
   getChannelGuestInfoService,
   getUserChannels,
@@ -109,3 +110,25 @@ export const getUserChannelsController = async (req, res) => {
     return res.status(500).json(new ErrorResponseDto({ message: 'Server error occurred' }));
   }
 };
+
+/**
+ * @description 채널 삭제 컨트롤러
+ */
+export const deleteChannelController = async (req, res) => {
+  const { id } = req.params;
+
+  try {
+    const result = await deleteChannelService(id);
+
+    if (!result) {
+      return res.status(404).json(new ErrorResponseDto({ message: 'Channel not found' }));
+    }
+
+    return res
+      .status(200)
+      .json(new ResponseDto({ resultMsg: 'Channel deleted successfully', data: { id } }));
+  } catch (err) {
+    console.error(err);
+    return res.status(500).json(new ErrorResponseDto({ message: 'Server error occurred' }));
+  }
+};

backend/src/repositories/channelRepository.js

@@ -155,3 +155,17 @@ export const getChannelsByUserIdFromDB = async userId => {
     throw error;
   }
 };
+
+export const deleteChannelByIdFromDB = async id => {
+  try {
+    const query = 'DELETE FROM "main"."channel" WHERE id = $1 RETURNING id';
+    const values = [id];
+
+    const result = await pool.query(query, values);
+
+    return result.rowCount > 0;
+  } catch (error) {
+    console.error('Database error:', error);
+    throw error;
+  }
+};

backend/src/routes/channelRouter.js

@@ -3,6 +3,7 @@ import { body, param } from 'express-validator';
 import {
   addGuestController,
   createChannelController,
+  deleteChannelController,
   getChannelGuestInfoController,
   getChannelInfoController,
   getUserChannelsController,
@@ -190,3 +191,35 @@ channelRouter.get(
   validationMiddleware,
   getUserChannelsController,
 );
+
+// 채널 삭제 API 경로
+/**
+ * @swagger
+ * paths:
+ *   /channel/{id}:
+ *     delete:
+ *       summary: '채널 삭제 API'
+ *       description: '채널 ID를 사용하여 특정 채널을 삭제합니다.'
+ *       tags: [Channel]
+ *       parameters:
+ *         - name: 'id'
+ *           in: 'path'
+ *           required: true
+ *           schema:
+ *             type: 'string'
+ *           description: '삭제할 채널의 고유 ID'
+ *       responses:
+ *         200:
+ *           description: '채널 삭제 성공'
+ *         404:
+ *           description: '채널을 찾을 수 없음'
+ *         500:
+ *           description: '서버 오류'
+ */
+channelRouter.delete(
+  '/:id',
+  [param('id').notEmpty().withMessage('Channel ID is required')],
+  authenticateJWT,
+  validationMiddleware,
+  deleteChannelController,
+);

backend/src/services/channelService.js

@@ -1,5 +1,6 @@
 import {
   createChannelInDB,
+  deleteChannelByIdFromDB,
   getChannelInfoByIdInDB,
   getChannelsByUserIdFromDB,
   getChannelWithGuestsByIdFromDB,
@@ -105,3 +106,16 @@ export const getUserChannels = async userId => {
     throw new Error('Failed to fetch channels', error);
   }
 };
+
+/**
+ * @description 채널 삭제 서비스
+ * @param {string} id - 삭제할 채널의 ID
+ * @returns {boolean} 삭제 성공 여부
+ */
+export const deleteChannelService = async id => {
+  try {
+    return await deleteChannelByIdFromDB(id);
+  } catch (error) {
+    throw new Error('Failed to delete channel', error);
+  }
+};