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app.js
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app.js
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const express = require('express');
const exphbs = require('express-handlebars');
const path = require('path');
const bodyParser = require('body-parser');
const methodOverride = require('method-override');
const redis = require('redis');
// Create Redis Client
let client = redis.createClient();
client.on('connect', () => {
console.log('Connected to Redis...');
})
// Set Port
const port = 3000;
// Init app
const app = express();
// View Engine
app.engine('handlebars' , exphbs({defaultLayout: 'main'}));
app.set('view engine', 'handlebars');
// body-parser
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({extended:false}));
// methodOverride
app.use(methodOverride('_method'));
// Default url / for searchusers view
app.get('/', (req, res, next) => {
client.keys('*user*', (err, keys) => {
if(!keys){
res.render('redis_users', {
users: []
});
} else {
res.render('redis_users', {
users: keys
});
}
});
});
// Default url / for searchusers view
app.get('/', (req, res, next) => {
client.keys('*user*', (err, keys) => {
if(!keys){
res.render('redis_users', {
users: []
});
} else {
res.render('redis_users', {
users: keys
});
}
});
});
app.get('/user/add', (req, res, next) => {
res.render('adduser');
});
app.get('/user/search', (req, res, next) => {
res.render('searchusers');
});
app.get('/user/update', (req, res, next) => {
console.log('req.body: ',req.body);
console.log('req.query: ',req.query);
const id = req.query.id;
client.hgetall(id, (err, obj) => {
if (!obj) {
res.render('searchusers', {
error: 'Can not update user. User does not exist'
});
} else {
obj.id = id;
res.render('updateuser', {
user: obj
})
}
});
});
app.post('/user/search', (req, res, next) => {
console.log(req.body);
const id = req.body.id;
client.hgetall(id, (err, obj) => {
if (!obj) {
res.render('searchusers', {
error: 'User does not exist'
});
} else {
obj.id = id;
res.render('details', {
user: obj
})
}
});
})
app.post('/user/add', (req, res, next) => {
const id = req.body.id;
const first_name = req.body.first_name;
const last_name = req.body.last_name;
const email = req.body.email;
const phone = req.body.phone;
client.hmset(id, [
'first_name', first_name,
'last_name', last_name,
'email', email,
'phone', phone
], (err, reply) => {
if (err) {
console.log(err);
}
console.log(reply);
res.redirect('/');
});
});
app.post('/user/update', (req, res, next) => {
console.log('req.body: ',req.body);
const id = req.body.id;
console.log('id: ',id);
const first_name = req.body.first_name;
const last_name = req.body.last_name;
const email = req.body.email;
const phone = req.body.phone;
client.hmset(id, [
'first_name', first_name,
'last_name', last_name,
'email', email,
'phone', phone
], (err, reply) => {
if (err) {
console.log(err);
}
console.log(reply);
res.redirect('/');
});
});
app.delete('/user/delete/:id', (req, res, next) => {
console.log(req);
client.del(req.params.id);
res.redirect('/');
})
app.listen(port, () => {
console.log('Server started on port: '+port);
})