Refactor: ts conversion

src/middlewares/ban.ts

@@ -0,0 +1,30 @@
+import type { RequestHandler } from "express";
+import { validateServiceBanRecord } from "@/modules/ban";
+import logger from "@/modules/logger";
+
+const serviceMapper: Map<string, string> = new Map([
+  ["/rooms/create", "service"],
+  ["/rooms/join", "service"],
+]);
+
+const banMiddleware: RequestHandler = async (req, res, next) => {
+  if (req.originalUrl === undefined) {
+    logger.error(
+      "Error occured while validateServiceBanRecord: req.originalUrl is undefined"
+    );
+    return res.status(500).json({
+      error:
+        "Error occured while validateServiceBanRecord: req.originalUrl is undefined",
+    });
+  }
+  const banErrorMessage = await validateServiceBanRecord(
+    req,
+    serviceMapper.get(req.originalUrl) || ""
+  );
+  if (banErrorMessage !== undefined) {
+    return res.status(400).json({ error: banErrorMessage });
+  }
+  next();
+};
+
+module.exports = banMiddleware;

src/modules/ban.js → src/modules/ban.ts

@@ -1,18 +1,23 @@
+import type { Request } from "express";
+
 const logger = require("./logger");
 const { banModel } = require("./stores/mongo");
 
 /**
  * @param {*} req
  * @param {String} service
  */
-const validateServiceBanRecord = async (req, service) => {
+export const validateServiceBanRecord = async (
+  req: Request,
+  service: string
+) => {
   let banRecord = undefined;
 
   try {
     // 현재 시각이 expireAt 보다 작고, 본인인 경우(ban의 userId가 userId랑 같은 경우) 중 serviceName이 "service"인 record를 모두 가져옴
     const bans = await banModel
       .find({
-        userSid: req.session.loginInfo.sid,
+        userSid: req.session.loginInfo!.sid,
         expireAt: {
           $gte: req.timestamp,
         },
@@ -24,22 +29,18 @@ const validateServiceBanRecord = async (req, service) => {
       banRecord = bans[0];
     }
   } catch (err) {
-    logger.error(
-      "Error occured while validateServiceBanRecord: " + err.message
-    );
+    logger.error(err);
     return;
   }
   if (banRecord !== undefined) {
     const formattedExpireAt = banRecord.expireAt
       .toISOString()
       .replace("T", " ")
       .split(".")[0];
-    const banErrorMessage = `${req.originalUrl} : user ${req.userId} (${req.session.loginInfo.sid}) is temporarily restricted from service until ${formattedExpireAt}.`;
+    const banErrorMessage = `${req.originalUrl} : user ${req.userId} (${
+      req.session.loginInfo!.sid
+    }) is temporarily restricted from service until ${formattedExpireAt}.`;
     return banErrorMessage;
   }
   return;
 };
-
-module.exports = {
-  validateServiceBanRecord,
-};