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optimized query code #10

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optimized query code #10

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78b6a21
code cleaned and middleware added
aryankoul Oct 3, 2018
d3876ca
config file added
aryankoul Oct 3, 2018
d7b0a3e
Merge branch 'query' of https://github.com/lo-0l/TechPrime-Website in…
aryankoul Oct 3, 2018
9da6e50
optimized the code
aryankoul Oct 3, 2018
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8 changes: 8 additions & 0 deletions functions/config.js
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Original file line number Diff line number Diff line change
@@ -0,0 +1,8 @@


const config = {
key: 'abab',

};

module.exports = config;
218 changes: 51 additions & 167 deletions functions/index.js
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Original file line number Diff line number Diff line change
@@ -1,191 +1,75 @@
const functions = require('firebase-functions');
const admin = require('firebase-admin');
const jwt = require('jsonwebtoken');
const express = require('express');
const bodyParser = require('body-parser');
const isAuthenticated = require('./middlewares/auth');

admin.initializeApp();
let database = admin.database();

//login start
exports.googleLogin = functions.https.onRequest(function(req,response){
let accToken = req.query.accessToken;
const request = require('request');
request('https://www.googleapis.com/plus/v1/people/me?access_token='+accToken, { json: true }, (err, res, body) => {
let data;
if(err)
{
return console.log(err);
}
console.log(body);
if(body.error != null)
{
console.log('error in accessToken');
data={
authenticatedRequest:false,
};
return response.json(data);
}

let email1 = body.emails[0].value;
let email = email1.replace(/\./g,',');
console.log(email);
let email_child = "users/"+email;
let ref = database.ref();

ref.once('value',function(snapshot){
if(snapshot.hasChild(email_child))
{
console.log('present');
let reff = database.ref(email_child);
let onB;
reff.once('value',function(snap)
{
console.log(snap.val().onBoard);
onB=snap.val().onBoard;
console.log(onB);
data={
onBoard:onB,
authenticatedRequest:true,
isRegistered:true,
body:body
};
const token = jwt.sign( data ,"abab", { expiresIn: "12h"});
response.json(token);
});
console.log('onboard is'+onB);
}
else
{
database.ref(email_child).set({
onBoard:false,
email: body.emails[0].value,
name: body.name.givenName+" "+body.name.familyName,
});
console.log('not present');
data={
onBoard:false,
authenticatedRequest:true,
isRegistered:false,
body:body
};
response.json(data);
}
});
});
});
//login end


let express = require('express');
let bodyParser = require('body-parser');

let app = express();
app.use(bodyParser.urlencoded({extended:false}));


// middleware start
function isAuthenticated(req , res , next) {
if(req.body.accessToken === undefined || req.body.accessToken === '') res.json({error: true});
else {
jwt.verify(req.body.accessToken, "abab", (err, data) => {
if (err) {
res.json({error: true});
}
else
{
if (data.error != null) {
return res.json({
authenticatedRequest: false,
});
}
else {
let email = data.body.emails[0].value;
let name = data.body.name.givenName+" "+data.body.name.familyName;
console.log(email);
req.body.email1 = email;
req.body.name = name;
next();
}
}
});
}
}
// middleware end


app.post('/', isAuthenticated ,function(req,response)
{
if (req.body.phone === undefined || req.body.college === undefined || req.body.year === undefined) {
return response.send('please pass valid/complete url parameters');
}
else
{
//console.log(req.body.email1);
//console.log(req.body.name);
let email1 = req.body.email1;
let email = email1.replace(/\./g, ',');
let ref = database.ref('users/');
let email_child = "users/"+email;
ref.once('value', function (snapshot) {
console.log(snapshot.val());
if (snapshot.hasChild(email))
{
console.log('present');
database.ref(email_child).update({
onBoard: true,
phone: req.body.phone,
college: req.body.college,
year: req.body.year,
});
response.send('database updated');
}
});
}
});

exports.signUp = functions.https.onRequest(app);

app.use(bodyParser.urlencoded({extended: false}));


//<--------Random Fact Generation---------->
//Generates random fact about techspardha.
exports.randomFact = functions.https.onRequest((request , response) => {
const numberOfLines = 8;
const randomIndex = Math.floor(Math.random() * numberOfLines);
database.ref('/facts/' + randomIndex).on('value',function(snapshot){
console.log(snapshot.val());
response.status(401).json({
message : snapshot.val()
app.get('/randomFact', (request, response) => {
const numberOfLines = 8;
const randomIndex = Math.floor(Math.random() * numberOfLines);
database.ref('/facts/' + randomIndex).on('value', (snapshot) => {
response.status(200).json({
success: true,
message: snapshot.val()
});
});
});
});


//<------Returning the array of all the videos------>
//Returns the array of videos containing title and url of a video.
exports.getVideo = functions.https.onRequest((request , response) => {
let items = [];
database.ref('/videos').on('value', function(snapshot) {
snapshot.forEach(function(childSnapshot) {
items.push(childSnapshot.key,{
title : childSnapshot.val().title,
url : childSnapshot.val().url
});
app.get('/video', (request, response) => {
let items = [];
database.ref('/videos').on('value', (snapshot) => {
snapshot.forEach((childSnapshot) => {
items.push(childSnapshot.key, {
title: childSnapshot.val().title,
url: childSnapshot.val().url
});
});
});
});
response.status(401).json(items);
});
response.status(200).json({
success: true,
items: items
});
});


//<-----Adding query to database------->
//only add newly asked query to the database.
exports.addQuery = functions.https.onRequest((request,response)=>{
const query = request.query.text;
var newPostKey = admin.database().ref().child('queries').push().key;
var updates = {};
updates['/queries/' + newPostKey] = query;
database.ref().update(updates);
response.status(401).json({
message : "query successfully added"
});
app.post('/query', isAuthenticated, (request, response) => {
const query = request.body.text;
if (query) {
let newPostKey = admin.database().ref().child('queries').push().key;
let updates = {};

let email = request.body.email;
email = email.replace(/,/g, '.');

updates['/queries/' + newPostKey] = {email: email, query: query};
database.ref().update(updates);
response.status(200).json({
success: true,
message: "query successfully added"
});
}
else {
response.status(400).json({
success: false,
message: "query text not defined"
})
}
});


exports.api = functions.https.onRequest(app);

40 changes: 40 additions & 0 deletions functions/middlewares/auth.js
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const jwt = require('jsonwebtoken');
const config = require('../config');

const isAuthenticated = (req, res, next) => {
const token = req.headers.authorization;

if (token) {
jwt.verify(token, config.key, (err, data) => {
if (err) {
res.status(401).json({
success: false, err: 'unauthenticated request'
});
}
else {
if (data.error != null) {
return res.status(401).json({
success: false, err: 'unauthenticated request'
});
}
else {
let email = data.body.emails[0].value;
email = email.replace(/\./g, ',');
const name = data.body.name.givenName + " " + data.body.name.familyName;

req.body.email = email;
req.body.name = name;

next();
}
}
});
}
else {
res.status(401).json({
success: false, err: 'unauthenticated request'
});
}
};

module.exports = isAuthenticated;
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