[Feat/#31] GET /mail/:userId를 통해 메일 보내는 기능 구현

backend/app.js

@@ -12,6 +12,7 @@ const indexRouter = require('./src/routes/index');
 const userRouter = require('./src/routes/user');
 const authRouter = require('./src/routes/auth');
 const teamRouter = require('./src/routes/team');
+const mailRouter = require('./src/routes/mail');
 
 const app = express();
 
@@ -31,5 +32,6 @@ app.use('/', indexRouter);
 app.use('/user', userRouter);
 app.use('/auth', authRouter);
 app.use('/study',teamRouter);
+app.use('/mail',mailRouter);
 
 module.exports = app;

backend/package.json

@@ -11,9 +11,10 @@
     "debug": "^2.6.9",
     "dotenv": "^10.0.0",
     "express": "^4.16.1",
-    "mongoose": "^6.0.7",
     "express-session": "^1.17.2",
+    "mongoose": "^6.0.7",
     "morgan": "^1.9.1",
+    "nodemailer": "^6.6.5",
     "passport": "^0.4.1",
     "passport-github": "^1.1.0"
   },

backend/src/routes/mail.js

@@ -0,0 +1,7 @@
+const {findUser, sendMail} = require('../services/mail/mail');
+const express = require('express');
+const router = express.Router();
+
+router.get('/:userId',[findUser, sendMail]);
+
+module.exports = router;

backend/src/services/mail/mail.js

@@ -0,0 +1,67 @@
+const nodemailer = require("nodemailer");
+const User = require("../../models/user");
+
+const findUser = async (req, res, next) => {
+    try{
+        const userId = req.params['userId'];
+        const user = await User.findById(userId);
+        req.params["email"] = user["email"];
+        if(req.params["email"] === undefined) throw new Error("사용자의 이메일이 없습니다.");
+        next();
+    }
+    catch(err){
+        console.error(err);
+        await res.status(500).json({
+            code: '5000',
+            status: '에러 : 서버 에러',
+            message : `메일 발송 요청 처리 중 사용자를 찾지 못했습니다.`
+        });
+    }
+};
+
+const sendMail = async (req, res, next) => {
+
+    // Gmail
+    const email = process.env.GMAIL;
+    const emailPw = process.env.GMAILPW;
+
+    let transport = nodemailer.createTransport({
+        service: "gmail",
+        auth:{
+            user: email,
+            pass: emailPw
+        }
+    });
+
+    let mailOptions = {
+        from: email,
+        to: req.params["email"],
+        subject: "1일 1커밋 운동 참여 독려",
+        html:`
+        <h1> 1일 1커밋 운동에 참여하세요! </h1>
+        <p>자라나라 잔디잔디!</p>
+        <p>아직 오늘이 가지 않았습니다! 커밋을 보내 잔디밭을 키워보세요!</p>
+        `
+    };
+    try{
+        transport.sendMail(mailOptions, async (error, info) => {
+            if(error) throw new Error("메일을 보내는 데 실패하였습니다.");
+            await res.status(200).json({
+                code: '2000',
+                status: '성공 : 메세지 발송',
+                message: '메세지 발송이 정상적으로 수행되었습니다.',
+                info: info
+            });
+        });
+    }
+    catch(err){
+        console.error(err);
+        await res.status(500).json({
+            code: '5000',
+            status: '에러 : 서버 에러',
+            message : `${err}`
+        });
+    }
+};
+
+module.exports = {findUser, sendMail};

backend/src/services/team/team.js

@@ -64,9 +64,17 @@ const updateTeam = async (req, res, next) => {
 
 const searchTeams = async (req, res, next) => {
     try{
+
         let title = req.query["title"];
-        if(title === undefined) title = '';
-        const teams = await Team.find({title:  new RegExp(`${title}`,'i')}).exec();
+        let userId = req.query["userId"];
+        let teams;
+
+        if(title !== undefined && userId === undefined) teams = await Team.find({title:  new RegExp(`${title}`,'i')}).exec();
+        else if(title === undefined && userId !== undefined) teams = await Team.find({userIds : [`${userId}`]}).exec();
+        else if(title === undefined && userId === undefined) teams = await Team.find({});
+        else{
+            throw new Error("query로 보내는 변수가 잘못되었습니다.");
+        }
 
         await res.status(200).json({
             code: '2000',
@@ -80,7 +88,7 @@ const searchTeams = async (req, res, next) => {
         await res.status(500).json({
             code: '5000',
             status: '에러 : 서버 에러',
-            message : '검색 요청 처리 중 서버에서 문제가 발생했습니다.'
+            message : `${err}`
         });
     }
 };