UPDATE: updating JWT implementation.

routes/auth.js

@@ -36,16 +36,8 @@ router.post("/login", async (req, res) => {
     if (!validPassword)
       return res.status(404).json({ message: "Invalid password." });
 
-    const token = JWT.sign({
-      id: user.id,
-      name: `${user.fname} ${user.lname}`,
-      username: user.username,
-      telephone: user.telephone,
-      image: user.image,
-      gender: user.gender,
-      admin: user.role === "admin" ? true : false,
-    });
-    res.status(201).json({ data: token });
+    const jwt = new JWT();
+    res.status(201).json({ data: jwt.getAuthToken(user) });
   } catch (error) {
     res.status(400).json({ message: error });
   }

routes/users.js

@@ -71,17 +71,9 @@ router.post("/", async (req, res) => {
 
     // Saving user
     user = await User.create(user);
-    const token = JWT.sign({
-      id: user.id,
-      name: `${user.fname} ${user.lname}`,
-      username: user.username,
-      telephone: user.telephone,
-      image: user.image,
-      gender: user.gender,
-      admin: user.role === "admin" ? true : false,
-    });
+    const jwt = new JWT();
 
-    res.header("x-auth-token", token);
+    res.header("x-auth-token", jwt.getAuthToken(user));
     res.status(201).json({ data: user });
   } catch (error) {
     res.status(400).json({ message: error });

services/JWT.js

@@ -1,14 +1,24 @@
 const jwt = require("jsonwebtoken");
 
 class JWT {
-  static _key = "5BD24DCB1483578373DD86A7AD35F";
-  static _ms = "3600s";
+  #key = "5BD24DCB1483578373DD86A7AD35F";
+  #ms = "3600s";
 
-  static sign(object) {
-    return jwt.sign(object, this._key, { expiresIn: this._ms });
+  getAuthToken(user) {
+    const payload = {
+      id: user.id,
+      name: `${user.fname} ${user.lname}`,
+      username: user.username,
+      telephone: user.telephone,
+      image: user.image,
+      gender: user.gender,
+      admin: user.role === "admin" ? true : false,
+    };
+
+    return jwt.sign(payload, this.#key, { expiresIn: this.#ms });
   }
 
-  static verify(token) {}
+  verifyAuthToken(token) {}
 }
 
 module.exports = JWT;