[BE][Feat] : #49 : 경로방 생성 api

- uuid 생성을 위한 패키지 설치
- eslint 백엔드 설정 수정
- 채널 생성 api 구현 (router, controller, service, repository)
- guest 추가 api 구현
- postman 테스트

backend/package.json

@@ -28,6 +28,7 @@
     "pg": "^8.13.1",
     "swagger-jsdoc": "^6.2.8",
     "swagger-ui-express": "^5.0.1",
+    "uuid": "^11.0.3",
     "ws": "^8.11.0"
   }
 }

backend/src/controllers/channelController.js

@@ -0,0 +1,21 @@
+import { createChannelService } from '../services/channelService.js';
+
+export const createChannelController = async (req, res) => {
+  try {
+    const { name, host_id, guests } = req.body;
+
+    const channel = await createChannelService(name, host_id, guests);
+
+    return res.status(201).json({
+      success: true,
+      message: 'Channel created successfully',
+      data: channel,
+    });
+  } catch (err) {
+    console.error(err);
+    return res.status(500).json({
+      success: false,
+      message: 'Server error',
+    });
+  }
+};

backend/src/index.js

@@ -6,13 +6,15 @@ import { pool } from './db/db.js';
 import { PORT } from './constants/constants.js';
 import { initializeWebSocketServer } from './websocketServer.js';
 import { authRouter } from './routes/authRouter.js';
+import { channelRouter } from './routes/channelRouter.js';
 
 const app = express();
 app.use(express.json());
 
 app.use('/api-docs', swaggerUi.serve, swaggerUi.setup(specs));
 
 app.use('/api/auth', authRouter);
+app.use('/api/channel', channelRouter);
 
 // TODO: 데이터베이스에서 데이터 가져오기 예시
 app.get('/guests', async (req, res) => {

backend/src/repositories/channelRepository.js

@@ -0,0 +1,15 @@
+import { v4 as uuidv4 } from 'uuid';
+import { pool } from '../db/db.js';
+
+export const createChannelInDB = async (name, host_id) => {
+  const id = uuidv4();
+  const query = `
+    INSERT INTO "main"."channel" (id, name, host_id)
+    VALUES ($1, $2, $3)
+    RETURNING *; 
+  `;
+  const values = [id, name, host_id];
+  const result = await pool.query(query, values);
+
+  return result.rows[0];
+};

backend/src/repositories/guestRepository.js

@@ -0,0 +1,32 @@
+import { v4 as uuidv4 } from 'uuid';
+import { pool } from '../db/db.js';
+
+export const addGuestInDB = async (
+  channel_id,
+  name,
+  start_location,
+  end_location,
+  path,
+  marker_style,
+  host_id,
+) => {
+  const guest_id = uuidv4();
+  const query = `
+    INSERT INTO "main"."guest" (id, channel_id, name, start_location, end_location, path, marker_style, host_id)
+    VALUES ($1, $2, $3, $4, $5, $6, $7, $8)
+    RETURNING *;
+  `;
+  const values = [
+    guest_id,
+    channel_id,
+    name,
+    start_location,
+    end_location,
+    path,
+    marker_style,
+    host_id,
+  ];
+  const result = await pool.query(query, values);
+
+  return result.rows[0];
+};

backend/src/routes/channelRouter.js

@@ -0,0 +1,16 @@
+import express from 'express';
+import { body } from 'express-validator';
+import { createChannelController } from '../controllers/channelController.js';
+import { validationMiddleware } from '../middleware/validationMiddleware.js';
+
+export const channelRouter = express.Router();
+
+channelRouter.post(
+  '/',
+  [
+    body('name').notEmpty().withMessage('Name is required'),
+    body('host_id').notEmpty().withMessage('Host ID is required'),
+  ],
+  validationMiddleware,
+  createChannelController,
+);

backend/src/services/channelService.js

@@ -0,0 +1,25 @@
+import { createChannelInDB } from '../repositories/channelRepository.js';
+import { addGuestInDB } from '../repositories/guestRepository.js';
+
+export const createChannelService = async (name, host_id, guests) => {
+  // 채널 생성
+  const channel = await createChannelInDB(name, host_id);
+
+  // 게스트 추가
+  const guestPromises = guests.map(guest => {
+    const { name, start_location, end_location, path, marker_style } = guest;
+    return addGuestInDB(
+      channel.id,
+      name,
+      start_location,
+      end_location,
+      path,
+      marker_style,
+      host_id,
+    );
+  });
+
+  await Promise.all(guestPromises);
+
+  return channel;
+};

eslint.config.mjs

@@ -113,6 +113,8 @@ export default [
       'no-console': 'off',
       'consistent-return': 'off',
       'import/extensions': 'off',
+      camelcase: 'off',
+      'no-shadow': 'off',
     },
   },