Convert Framwork express to koa

@@ -27,6 +27,7 @@
 | friend  | 유저 친구 등록           | POST   | api/friend                 | 바로가기 | JWT Token |
 | friend  | 유저의 친구 조회         | GET    | api/friend:id              | 바로가기 | None      |
 | profile | 유저가 푼 문제 조회      | GET    | api/profile/solved:id      | 바로가기 | None      |
+| profile | 유저가 푼 문제 동기화    | Update | api/profile/solved:id      | 바로가기 | None      |
 | profile | 유저가 푼 문제 개수 조회 | GET    | api/profile/solvednum:id   | 바로가기 | None      |
 | profile | 추천 문제 조회           | GET    | api/profile/recommendps:id | 바로가기 | None      |
 | notify  | 슬랙 메시지 전송 요청    | POST   | api/notify/slack           | 바로가기 | Jwt Token |

-const express = require("express");
-const morgan = require("morgan");
+const Koa = require("koa");
+const Router = require("koa-router");
+const bodyParser = require("koa-bodyparser");
 const mongoose = require("mongoose");
-const app = express();
-const bodyParser = require("body-parser");
-const api = require("./src/api");
 const jwtMiddleware = require("./src/lib/jwtMiddleware");
+const app = new Koa();
+const router = new Router();
 require("dotenv").config();
-const { SERVER_PORT, MONGO_URL } = process.env;
-app.use(morgan("dev"));
-app.use(express.json());
-app.use(express.urlencoded({ extended: false }));
 app.use(bodyParser());
 app.use(jwtMiddleware);
+const api = require("./src/api");
+const { SERVER_PORT, MONGO_URL } = process.env;
+
+router.use("/api", api.routes());
+app.use(router.routes()).use(router.allowedMethods());
 
-app.use("/api", api);
 mongoose
-  .connect(MONGO_URL, { useNewUrlParser: true, useFindAndModify: false })
+  .connect(MONGO_URL, {
+    useNewUrlParser: true,
+    useFindAndModify: false,
+    useUnifiedTopology: true,
+  })
   .then(() => {
     console.log("Connected to MongoDB");
   })

@@ -8,13 +8,16 @@
     "bcrypt": "^4.0.1",
     "body-parser": "^1.19.0",
     "cheerio": "^1.0.0-rc.3",
+    "cookie-parser": "^1.4.5",
     "dotenv": "^8.2.0",
     "eslint-config-prettier": "^6.11.0",
-    "express": "^4.17.1",
     "fs": "^0.0.1-security",
     "iconv": "^3.0.0",
     "joi": "^14.3.1",
     "jsonwebtoken": "^8.5.1",
+    "koa": "^2.12.0",
+    "koa-bodyparser": "^4.3.0",
+    "koa-router": "^9.0.1",
     "mongoose": "^5.9.17",
     "morgan": "^1.10.0",
     "path": "^0.12.7",

@@ -12,6 +12,7 @@ exports.register = async (ctx) => {
     username: Joi.string().alphanum().min(3).max(20).required(),
     password: Joi.string().required(),
   });
+
   const result = Joi.validate(ctx.request.body, schema);
   if (result.error) {
     ctx.status = 400;
@@ -33,7 +34,7 @@ exports.register = async (ctx) => {
     await user.save();
     ctx.body = user.serialize();
 
-    const token = user.generateToekn();
+    const token = user.generateToken();
     ctx.cookies.set("acces_token", token, {
       //3일동안 유효
       maxAge: 1000 * 60 * 60 * 24 * 3,

-const express = require("express");
-const router = express.Router();
-
-router.post("/login");
-router.get("/logout");
-router.post("/register");
-
-
-
-
-module.exports = router;
+const Router = require("koa-router");
+const auth = new Router();
+const authCtrl = require("./auth.ctrl");
+auth.post("/login", authCtrl.login);
+auth.get("/logout", authCtrl.logout);
+auth.post("/register", authCtrl.register);
+
+module.exports = auth;

-const express = require("express");
-const router = express.Router();
+const Router = require("koa-router");
+const friend = new Router();
 
-router.post("/");
-router.delete("/:id");
-router.get("/:id");
-router.get("");
+friend.post("/");
+friend.delete("/:id");
+friend.get("/:id");
+friend.get("");
 
-module.exports = router;
+module.exports = friend;

-const express = require("express");
-const app = express();
+const Router = require("koa-router");
+const api = new Router();
 
 const auth = require("./auth");
 const friend = require("./friend");
@@ -7,10 +7,10 @@ const notify = require("./profile");
 const user = require("./user");
 const profile = require("./profile");
 
-app.use("/auth", auth);
-app.use("/friend", friend);
-app.use("/notify", notify);
-app.use("/user", user);
-app.use("/profile", profile);
+api.use("/auth", auth.routes());
+api.use("/friend", friend.routes());
+api.use("/notify", notify.routes());
+api.use("/user", user.routes());
+api.use("/profile", profile.routes());
 
-module.exports = app;
+module.exports = api;

-const express = require("express");
-const router = express.Router();
+const Router = require("koa-router");
+const notify = new Router();
 
-router.post("/slack");
+notify.post("/slack");
 
-module.exports = router;
+module.exports = notify;

-const express = require("express");
-const router = express.Router();
+const Router = require("koa-router");
+const profile = new Router();
 
-router.post("/solved:id");
-router.get("/solvednum:id");
-router.get("recommendps:id");
+profile.post("/solved:id");
+profile.get("/solvednum:id");
+profile.get("recommendps:id");
 
-module.exports = router;
+module.exports = profile;

-const express = require("express");
-const router = express.Router();
+const Router = require("koa-router");
+const user = new Router();
+user.post("/");
+user.delete("/:id");
+user.get("/:id");
+user.get("");
 
-router.post("/");
-router.delete("/:id");
-router.get("/:id");
-router.get("");
-
-module.exports = router;
+module.exports = user;

 const mongoose = require("mongoose");
 const bcrypt = require("bcrypt");
 const jwt = require("jsonwebtoken");
+
 const Schema = mongoose.Schema;
 
 const UserSchema = new Schema({
@@ -12,7 +13,7 @@ UserSchema.methods.setPassword = async function (password) {
   const hash = await bcrypt.hash(password, 10);
   this.hashedPassword = hash;
 };
-UserSchema.methodss.checkPassword = async function (password) {
+UserSchema.methods.checkPassword = async function (password) {
   const result = await bcrypt.compare(password, this.hashedPassword);
   return result;
 };