From 52f39cf3ae0a9127f0e6cee228c48f44e726e163 Mon Sep 17 00:00:00 2001
From: hardcodder <dhiman.anshul863@gmail.com>
Date: Fri, 26 Mar 2021 18:59:27 +0530
Subject: [PATCH] Created Signup and Sign In

---
 app.js              |  7 ++++
 controllers/auth.js | 80 +++++++++++++++++++++++++++++++++++++++++++++
 models/User.js      | 28 ++++++++++++++++
 package-lock.json   |  5 +++
 package.json        |  4 ++-
 routes/auth.js      | 10 ++++++
 6 files changed, 133 insertions(+), 1 deletion(-)
 create mode 100644 controllers/auth.js
 create mode 100644 models/User.js
 create mode 100644 routes/auth.js

diff --git a/app.js b/app.js
index 32a0f48..12f5ead 100644
--- a/app.js
+++ b/app.js
@@ -1,8 +1,15 @@
 const express = require('express') ;
 const mongoose = require('mongoose') ;
+const bodyparser = require('body-parser') ;
+const authRoute = require('./routes/auth') ;
+
 const app = express() ;
 const MONGO_URI = `mongodb+srv://Cantilever:Cantilever@cluster0.dqxva.mongodb.net/myFirstDatabase?retryWrites=true&w=majority`
 
+app.use(bodyparser.json()) ;
+
+app.use(authRoute) ;
+
 mongoose.connect(MONGO_URI, { useNewUrlParser: true,  useUnifiedTopology: true }).
 then(result => {
     console.log('connected');
diff --git a/controllers/auth.js b/controllers/auth.js
new file mode 100644
index 0000000..8e8e8c5
--- /dev/null
+++ b/controllers/auth.js
@@ -0,0 +1,80 @@
+const bcrypt = require('bcryptjs') ;
+const User = require('../models/User') ;
+
+module.exports.postSignup = async (req , res , next) => {
+    try
+    {
+        let firstName = req.body.firstName || " " ;
+        let lastName = req.body.lastName  || " " ;
+        let email = req.body.email ;
+        let phoneNumber = req.body.phoneNumber ;
+        let password = req.body.password ;
+        let user = await User.findOne({email:email}) ;
+        if(user)
+        {
+            res.json({
+                message:"User already exist" ,
+                type:"error"
+            })
+        }
+        else
+        {
+            const hashedPass = await bcrypt.hash(password , 12) ;
+            user = new User({
+                firstName : firstName ,
+                lastName : lastName ,
+                email : email ,
+                password : hashedPass ,
+                phoneNumber : phoneNumber
+            }) ;
+            user = await user.save() ;
+            res.json({
+                message:"Successfully signed Up" ,
+                type:"success"
+            })
+        }
+    }
+    catch(err)
+    {
+        console.log(err);
+    }
+} ;
+
+
+module.exports.postSignin = async (req , res , next) => {
+    try
+    {
+        let email = req.body.email ;
+        let password = req.body.password ;
+        let user = await User.findOne({email : email}) ;
+        if(user)
+        {
+            const isMathced = await bcrypt.compare(password , user.password) ;
+            if(isMathced)
+            {
+                res.json({
+                    message:"Logged In" ,
+                    type : "success"
+                }) 
+            }
+            else
+            {
+                res.json({
+                    message:"email and password doesn't match" ,
+                    type:"error"
+                })
+            }
+        }
+        else
+        {
+            res.json({
+                message:"No user with this email exists" ,
+                type : "error"
+            })
+        }
+    }
+    catch(err)
+    {
+        console.log(err);
+    }
+}
\ No newline at end of file
diff --git a/models/User.js b/models/User.js
new file mode 100644
index 0000000..eaadb8e
--- /dev/null
+++ b/models/User.js
@@ -0,0 +1,28 @@
+const mongoose = require('mongoose') ;
+
+const Schema = mongoose.Schema ;
+
+const userSchema = new Schema({
+    firstName : {
+        type :String ,
+        required : true 
+    } ,
+    lastName : {
+        type:String ,
+        required: true
+    } ,
+    email : {
+        type:String , 
+        required: true 
+    } ,
+    phoneNumber : {
+        type : String ,
+        required : true 
+    } ,
+    password : {
+        type : String ,
+        required : true 
+    }
+}) ;
+
+module.exports = mongoose.model("User" , userSchema) ;
\ No newline at end of file
diff --git a/package-lock.json b/package-lock.json
index ccc09ad..7ed5be8 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -114,6 +114,11 @@
       "integrity": "sha1-ibTRmasr7kneFk6gK4nORi1xt2c=",
       "dev": true
     },
+    "bcryptjs": {
+      "version": "2.4.3",
+      "resolved": "https://registry.npmjs.org/bcryptjs/-/bcryptjs-2.4.3.tgz",
+      "integrity": "sha1-mrVie5PmBiH/fNrF2pczAn3x0Ms="
+    },
     "binary-extensions": {
       "version": "2.2.0",
       "resolved": "https://registry.npmjs.org/binary-extensions/-/binary-extensions-2.2.0.tgz",
diff --git a/package.json b/package.json
index 620ed7b..730a9e4 100644
--- a/package.json
+++ b/package.json
@@ -4,11 +4,13 @@
   "description": "",
   "main": "index.js",
   "scripts": {
-    "start": "nodemon app.js"
+    "start:dev": "nodemon app.js"
   },
   "author": "",
   "license": "ISC",
   "dependencies": {
+    "bcryptjs": "^2.4.3",
+    "body-parser": "^1.19.0",
     "express": "^4.17.1",
     "mongoose": "^5.12.2"
   },
diff --git a/routes/auth.js b/routes/auth.js
new file mode 100644
index 0000000..6a34c9d
--- /dev/null
+++ b/routes/auth.js
@@ -0,0 +1,10 @@
+const express = require('express') ;
+const authController = require('../controllers/auth') ; 
+
+const router = express.Router() ;
+
+router.post('/signup' , authController.postSignup) ;
+
+router.post('/signin' , authController.postSignin) ;
+
+module.exports = router ;
\ No newline at end of file