Added sign up feature

backend/controllers/user.auth.js

@@ -0,0 +1,70 @@
+import bcrypt from "bcryptjs";
+import { User } from "../models/user.auth.js";
+
+export const Signup = async (req, res) => {
+  try {
+    const { fullName, userName, password, confirmPassword, gender } = req.body;
+
+    if (password !== confirmPassword) {
+      console.log("password variation");
+      res.status(500).send({ error: "Password doesn't match confirmation" });
+    }
+
+    const user = await User.findOne({ userName });
+    if (user) {
+      console.log("Duplicate username");
+      res.status(500).send({ error: "Duplicate user" });
+    }
+
+    const boyProfile = `https://avatar.iran.liara.run/public/boy?username=${userName}`;
+    const girlProfile = `https://avatar.iran.liara.run/public/girl?username=${userName}`;
+
+    const newUser = await new User({
+      fullName,
+      userName,
+      password,
+      gender,
+      profilePic: gender === "male" ? boyProfile : girlProfile,
+    });
+
+    newUser
+      .save()
+      .then((result) => {
+        res.status(201).json({
+          _id: newUser._id,
+          fullName: newUser.fullName,
+          userName: newUser.userName,
+          gender: newUser.gender,
+        });
+      })
+      .catch((err) => {
+        console.log(err);
+      });
+    res.redirect("/auth/login");
+  } catch (err) {
+    console.log(err.message);
+    res.status(500).send({ error: "Internal server error" });
+  }
+};
+
+export const Login = async (req, res) => {
+  try {
+    const { userName, password } = req.body;
+    const user = User.findOne({ userName });
+    const isPassword = await bcrypt.compare(password, user.password || "");
+    if (!user && !isPassword) {
+      res.status(400).json({ error: "Invalid username or password" });
+      console.log("Invalid password or username");
+    }
+    generateTokensAndSetCookies(user._id, res);
+    res.status(201).json({
+      _id: user._id,
+      fullName: user.fullName,
+      userName: user.userName,
+      gender: user.gender,
+      profilePic: user.profilePic,
+    });
+  } catch (err) {
+    console.log(err);
+  }
+};

backend/db/user.auth.js

@@ -0,0 +1,10 @@
+import mongoose from "mongoose";
+
+export const authConn = async () => {
+  try {
+    await mongoose.connect(process.env.MONGO_URI);
+    console.log("Mongoose connected.");
+  } catch (err) {
+    console.log(err);
+  }
+};

backend/index.js

@@ -2,4 +2,18 @@ import dotenv from "dotenv";
 dotenv.config();
 import express from "express";
 
+import { router } from "./routes/user.auth.js";
+import { authConn } from "./db/user.auth.js";
+
 const app = express();
+const PORT = process.env.PORT || 5000;
+
+app.use(express.json());
+
+app.use("/auth", router);
+
+app.listen(PORT, () => {
+  authConn();
+  console.log(`Listening to ${PORT}`);
+  app.use("/auth", router);
+});

backend/models/user.auth.js

@@ -0,0 +1,29 @@
+import mongoose from "mongoose";
+
+const authSchema = mongoose.Schema({
+  fullName: {
+    type: String,
+    required: true,
+  },
+  userName: {
+    type: String,
+    required: true,
+    unique: true,
+    minLength: 3,
+  },
+  password: {
+    type: String,
+    required: true,
+    minLength: 4,
+  },
+  gender: {
+    type: String,
+    enum: ["male", "female"],
+  },
+  profilePic: {
+    type: "String",
+    default: "",
+  },
+});
+
+export const User = mongoose.model("User", authSchema);

backend/routes/user.auth.js

@@ -0,0 +1,8 @@
+import express from "express";
+import { Signup, Login } from "../controllers/user.auth.js";
+
+export const router = express.Router();
+
+router.post("/signup", Signup);
+
+router.post("/login", Login);