Added signup route 👤

backend/src/services/user.service.js

@@ -0,0 +1,26 @@
+import { SALT } from "../config/veriables.js";
+import { createUser } from "../repositories/user.repo.js";
+import bcrypt from "bcrypt";
+
+export async function signupService(username, email, password) {
+  try {
+    if (username.trim() == "" || email.trim() == "" || password.trim() == "") {
+      throw {
+        statusCode: 400,
+        message: "All fields are required",
+      };
+    }
+    const hashedPassword = bcrypt.hashSync(password, SALT);
+    const user = await createUser(username, email, hashedPassword);
+    return user;
+  } catch (err) {
+    if (err.code == 11000) {
+      throw {
+        statusCode: 409,
+        message: "User already exists",
+      };
+    } else {
+      throw err;
+    }
+  }
+}