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index.js
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index.js
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const express = require('express')
const app = express()
const PORT = process.env.PORT || 3008
const fs = require('fs')
const path = require('path')
//const mongoose = require('mongoose')
require('./config/db')
//const Techjobs = require('./model/Techjobs')
//to accept post from data
const bodyParser = require('body-parser').json
const dotenv = require('dotenv')
const dotenvb = require('dotenv').config()
app.use(express.json())
app.use(express.urlencoded({extended: false}))
const { engine } = require('express-handlebars');
const UserSchema = require('./models/UserSchema')
app.engine('hbs', engine({ extname: '.hbs', defaultLayout: "main" }));
app.set('view engine', 'hbs');
//password handler
const bcrypt = require('bcrypt')
const { userInfo } = require('os')
//signup
app.post('/signup', (req, res)=>{
let {name, email, password, dateOfBirth} = req.body;
name = name.trim(),
email = email.trim(),
password = password.trim()
dateOfBirth = dateOfBirth.trim()
if (name == "" || email == "" || password == "" || dateOfBirth == ""){
//if any is empty, we return a json object
res.json({
status: "FAILED",
message: "Empty input fields"
}); // if non of the box are empty, it checks for the format of the name uysing regular expression
} else if(!/^[a-zA-Z]*$/.test(name)){ //if the name doest match our regular expression it returns a json as well
res.json({
status: "FAILED",
message: "Invalid name entered"
})
}else if(!/^[a-zA-Z0-9.! #$%&'*+/=? ^_`{|}~-]+@[a-zA-Z0-9-]+(?:\. [a-zA-Z0-9-]+)*$/.test(email)) {
res.json({
status: "FAILED",
message: "Invalid email entered"
}); //once the email is checked , we chheck for vaalidity of ourb date
}else if (!new Date(dateOfBirth).getTime()){
res.json({
status: "FAILED",
message: "Invalid date of birth entered"
});
}else if (password.length < 8){
res.json({
status: "FAILED",
message: "password is too short"
}); // son once threre is no issue, we start rhew sign up process
} else {
//checking if user exist
UserSchema.find({email}).then(result =>{
if (result.length){
// if a user exist already we retrn already we return a message that yuser exist
res.json({
status: "FAILED",
message: " User with the provided email already exist"
});
}else{
// if user doesnt exist, we store the user in the database
//password handling
const saltRounds = 10;
bcrypt.hash(password, saltRounds).then(hashPassword =>{
const newUserSchema = new UserSchema({
name,
email,
password: hashPassword,
dateOfBirth
});
newUserSchema.save().then(result =>{
res.json({
status: "SUCCESS",
message: "Signup succesful",
data : result
});
})
.then(err =>{
res.json({
status: "FAILED",
message: " An error occured saving user account"
});
})
}).catch(err => {
res.json({
status: "FAILED",
message: " An error encountered while hashing password"
});
})
}
}).catch(err =>{
console.log(err);
res.json({
status: "FAILED",
message: "An error occured while checking for existing user"
});
})
}
})
//signin
app.post('/signin', (req, res)=>{
let { email, password} = req.body;
email = email.trim(),
password = password.trim()
if (email == "" || password == "" ){
res.json({
status: "FAILED",
message: "Empty credentials supplied"
});
}else{
UserSchema.find({email})
.then(data =>{
if(data.length){
const hashPassword = data[0].password;
bcrypt.compare(password, hashPassword).then(result =>{
if (result){
res.json({
status: 'SUCCESS',
message: 'Signin Successful',
data:data
})
}else{
res.json({
status: 'FAILED',
message: 'Invalid Password entered'
})
}
}).catch(err =>{
res.json({
status: 'FAILED',
message: 'An error occured while comparing Password'
})
})
} else {
res.json({
status: 'FAILED',
message: 'Invalid credentials entered'
})
}
}).catch(err=>{
res.json({
status: 'FAILED',
message: 'An error occured while checking for existing user'
})
})
}
})
app.listen(PORT, () => {
console.log(`Server started running on port ${PORT}`);
});