Implemented error handling middleware

Server/controllers/authController.js

@@ -21,35 +21,32 @@ const issueToken = (payload) => {
  * @param {express.Response} res
  * @returns {{success: Boolean, msg: String}}
  */
-const registerController = async (req, res) => {
+const registerController = async (req, res, next) => {
   // joi validation
   try {
     await registerValidation.validateAsync(req.body);
   } catch (error) {
-    return res
-      .status(400)
-      .json({ success: false, msg: error.details[0].message });
+    error.status = 400;
+    error.service = SERVICE_NAME;
+    error.message = error.details[0].message;
+    next(error);
+    return;
   }
 
   // Check if the user exists
   try {
     const isUser = await req.db.getUserByEmail(req, res);
     if (isUser) {
-      logger.error("User already exists", {
-        service: SERVICE_NAME,
-        userId: isUser._id,
-      });
-      return res
-        .status(400)
-        .json({ success: false, msg: "User already exists" });
+      throw new Error("User already exists");
     }
   } catch (error) {
-    logger.error(error.message, { service: SERVICE_NAME });
-    return res.status(500).json({ success: false, msg: error.message });
+    error.service = SERVICE_NAME;
+    next(error);
+    return;
   }
 
+  // Create a new user
   try {
-    // Create a new user
     const newUser = await req.db.insertUser(req, res);
     // TODO: Send an email to user
     // Will add this later
@@ -63,8 +60,8 @@ const registerController = async (req, res) => {
       .status(200)
       .json({ success: true, msg: "User created", data: token });
   } catch (error) {
-    logger.error(error.message, { service: SERVICE_NAME });
-    return res.status(500).json({ success: false, msg: error.message });
+    error.service = SERVICE_NAME;
+    next(error);
   }
 };
 
@@ -76,7 +73,7 @@ const registerController = async (req, res) => {
  * @returns {Promise<Express.Response>}
  * @throws {Error}
  */
-const loginController = async (req, res) => {
+const loginController = async (req, res, next) => {
   try {
     // Validate input
     await loginValidation.validateAsync(req.body);
@@ -104,9 +101,9 @@ const loginController = async (req, res) => {
       .status(200)
       .json({ success: true, msg: "Found user", data: token });
   } catch (error) {
+    error.status = 500;
     // Anything else should be an error
-    logger.error(error.message, { service: SERVICE_NAME });
-    return res.status(500).json({ success: false, msg: error.message });
+    next(error);
   }
 };