login route completed

controllers/userController.js

@@ -1,5 +1,7 @@
+require("dotenv").config();
 const users = require("../model/userModel");
 const bcrypt = require("bcryptjs");
+const jwt = require("jsonwebtoken");
 
 
 
@@ -26,4 +28,21 @@ const register_user= async (req,res)=>{
     }
 }
 
-module.exports = register_user
+const login_user = async (req,res) => {
+    try {
+        const userData = await users.findOne({email: req.body.email});
+        const pass = bcrypt.compare(userData.password, req.body.password);
+
+        const token = jwt.sign({email:userData.email,id:userData._id},process.env.SECRET_KEY)
+
+          if (userData && pass) {
+            res.status(200).send(token);
+          } else {
+            return res.status(401).send({ success: false, msg: "Email or Password is wrong" });
+          }
+    } catch (error) {
+        res.status(400).send({success:false,error:error.message})
+    }
+}
+
+module.exports = {register_user,login_user}

middleware/mid_register.js

@@ -1,13 +1,13 @@
 const mongoose = require("mongoose");
-const users = mongoose.model("users" );
-const REG_MIDDLE=async (req,res,next) => {
-    const userData=await users.findOne({email:req.body.email})
+const users = mongoose.model("users");
+const REG_MIDDLE = async (req, res, next) => {
+    const userData = await users.findOne({ email: req.body.email });
 
-            if(userData){
-                return res.status(409).send({success:false,msg:"Email already exist"})
-            }else{
-                next(); 
-            }
-}
+  if (userData) {
+    return res.status(409).send({ success: false, msg: "Email already exist" });
+  } else {
+    next();
+  }
+};
 
-module.exports=REG_MIDDLE
+module.exports = REG_MIDDLE;