Complete refractor - we do sexy code only

src/app/services/user.ts

@@ -0,0 +1,30 @@
+import bcrypt from "bcryptjs";
+import UserRepository from "../repositories/user";
+
+class UserService {
+    async login(username: string, password: string): Promise<boolean | any> {
+        const user = await UserRepository.getByUsername(username);
+        if (!user) {
+            return false;
+        }
+
+        const passwordMatch = await bcrypt.compare(password, user.password);
+        if (!passwordMatch) {
+            return false;
+        }
+
+        return user;
+    }
+
+    async register(username: string, password: string): Promise<boolean | any> {
+        const user = await UserRepository.getByUsername(username);
+        if (user) {
+            return false;
+        }
+
+        const hashedPassword = await bcrypt.hash(password, 10);
+        return await UserRepository.create(username, hashedPassword);
+    }
+}
+
+export default UserService;