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server.js
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var express = require('express')
var bodyParser = require('body-parser')
var cors = require('cors')
var bcrypt = require('bcrypt')
var fs = require('fs')
var app = express()
const session = require('express-session')
const _ = require('lodash')
const errorHandler = require('errorhandler')
const passport = require('passport')
const path = require('path')
const cookieParser = require('cookie-parser')
const db = require('./lib/db')
const auth = require('./lib/auth')
const pdfCreator = require('./lib/pdfCreator')
const excelCreator = require('./lib/excelCreator')
const publicDir = __dirname + '/public'
let meals_db_name = ''
if (process.env.NODE_ENV === 'production') {
meals_db_name = 'test_meals'
} else {
meals_db_name = 'test_meals'
}
app.use(bodyParser({limit: '4MB'}))
app.use(bodyParser.json());
app.set('port', process.env.PORT || 8080);
app.use(cors()); // CORS (Cross-Origin Resource Sharing) headers to support Cross-site HTTP requests
app.use('/public', express.static('public'));
app.use(cookieParser())
app.use(session({ secret: 'keyboard cat', resave: false, saveUninitialized: false }))
auth.init(app)
app.get(['/', '/signup', '/login', '/profile/:id'], (req, res) => {
res.sendFile(path.join(publicDir, '/index.html'))
})
app.post('/api/login', (req, res, next) => {
// See: https://github.com/jaredhanson/passport-local
passport.authenticate('local', (err, user, info) => {
if (err || !user) {
console.log('error with login:', err, user)
return res.status(422).json(err)
}
req.login(user, () => {
return res.json(user)
})
})(req, res, next)
})
const findReportsDetails = (meals) => {
var allDetailsResponse = {
totals: {
received: 0,
leftovers: 0,
adult: 0,
childrenAndTeens: 0,
teenStaffAndVolunteers: 0,
unusable: 0
}
}
meals.map(meal => {
var keys = Object.keys(meal)
keys.map(key => {
if (allDetailsResponse['totals'][key] >= 0) {
allDetailsResponse['totals'][key] += +meal[key]
}
})
})
return allDetailsResponse
}
app.post('/api/reportsRange', (req, res) => {
if (req.user.isAdmin) {
const query = {
date: {
$gte: req.body.endDate,
$lte: req.body.startDate
}
}
if (req.body.type !== '') {
query.type = req.body.type
}
if (req.body.library !== '') {
query.library = req.body.library
}
db.findAll(meals_db_name, query).then(meals => {
var response = findReportsDetails(meals)
response['allMeals'] = meals
return res.json(response)
}).catch(error => {
console.log('error in server js: ', error)
return res.status(422).json({'errormsg': error})
})
}
else {
return res.status(422).json({'errormsg': 'no access'})
}
})
app.get('/api/users', (req, res) => {
if (auth.isAdmin(req)) {
db.getAll('user').then(users => {
return res.json({ users })
})
} else {
return res.json({ error: 'You do not have permission to access this resource.' })
}
})
app.get('/api/user/:id', (req, res) => {
if (req.user) {
var user = req.user
return res.json({ user });
}
if (req.isAuthenticated() && req.params.id === req.user._id.toString()) {
db.getById('user', req.params.id).then(user => {
req.user = user
return res.json({ user })
})
} else {
return res.status(401).json({ error: 'Not authenticated' })
}
})
app.get('/api/admin/users', (req, res) => {
if (auth.isAdmin(req)) {
db.getAll('user').then((results) => {
return res.json(results)
}).catch((error) => {
console.log(error)
return res.status(422).json(error)
})
}
else {
return res.json({ error: 'You do not have permission to access this resource.....' })
}
})
app.post('/api/user', (req, res) => {
// It is good practice to specifically pick the fields we want to insert here *in the backend*,
// even if we have already done so on the front end. This is to prevent malicious users
// from adding unexpected fields by modifying the front end JS in the browser.
var newUser = _.pick(req.body, [
'name', 'email', 'phone', 'passphrase'])
newUser.isAdmin = false
newUser.approvedBy = ''
bcrypt.hash(newUser.passphrase, 10, (err, hash) => {
// Store hash in database
newUser.passphrase = hash
db.insertOne('user', newUser).then(result => {
var userRecord = req.body
return res.json(result)
}).catch(error => {
console.log(error)
return res.status(422).json(error)
})
})
})
app.post('/api/generateReport', (req, res) => {
const reports = _.pick(req.body, ['reports'])
const signature = _.pick(req.body, ['esigbase64'])
createReport(reports['reports'], signature['esigbase64']).then( (result) => {
res.json(result)
}).catch(error => {
console.log(error)
return res.status(503).json(error)
})
})
const createReport = (reports, esigbase64, type = 'excel') => {
return new Promise((resolve, reject) => {
if (type === 'excel') {
excelCreator.createExcelReport(reports, esigbase64).then( (result) => {
return resolve({
'filename': result,
'allMeals': reports
})
}).catch(error => {
console.log(error)
return reject(error) // res.status(503)
})
}
else {
pdfCreator.createPDFReport(reports).then( (result) => {
return resolve({
'filename': result,
'allMeals': reports
})
}).catch(error => {
console.log(error)
return reject(error) // res.status(503)
})
}
})
}
// this is needed for downloading the created pdf
// need to delete once sent or get an s3 bucket since not good idea or best practice to keep on our server
app.get('/report/:filename', (req, res) => {
const filename = req.params.filename
res.download('./reports/' + filename)
})
// delete the file after downloaded
app.get('/report/delete/:filename', (req, res) => {
const filename = req.params.filename
fs.unlink('./reports/' + filename, function(response, error){
})
res.status(202).json({'msg': 'deleted file'})
})
app.post('/api/admin/user/makeAdmin', (req, res) => {
if (auth.isAdmin(req)) {
db.getByEmail('user', _.pick(req.body, ['email'])).then( volunteer => {
volunteer.isAdmin = true
volunteer.approvedBy = req.user._id
db.updateOneById('user', volunteer).then(result => {
return res.status(200).json(result)
}).catch(error => {
console.log(error)
return res.status(200).json(error)
})
}).catch( error => {
console.log('error in getByEmail', error)
})
}
else {
return res.json({ error: 'You do not have permission to access this resource.....' })
}
})
app.put('/api/user', (req, res) => {
if (req.isAuthenticated() && req.body._id === req.user._id.toString()) {
db.updateOneById('user', req.body).then(result => {
var userRecord = req.body;
userRecord.recordType = 'User Profile Update'
return res.json(result);
}).catch(error => {
console.log(error)
return res.json(error)
})
} else {
return res.json({ error: 'Not authenticated' })
}
})
app.get('/api/libraries', function(req, res) {
db.getAll('libraries', {name: 1}).then(result => {
return res.json(result)
}).catch(error => {
console.log('error getting all libraries', error)
return res.json(error)
})
});
app.post('/api/admin/libraries', (req, res) => {
if (auth.isAdmin(req)) {
const libraryDetails = _.pick(req.body, ['name', 'address', 'city', 'state', 'zip', 'phone_number'])
libraryDetails['isActive'] = true
db.insertOne('libraries', libraryDetails).then( newLibrary => {
res.status(201).json({msg: 'successfully created library'});
}).catch( error => {
console.log('error in create library', error)
})
}
else {
return res.json({ error: 'You do not have permission to access this resource.....' })
}
})
// POST: create a new meal
app.post('/api/meals', function(req, res) {
delete req.body['_id']
db.insertOne(meals_db_name, req.body).then(response => {
res.status(201).json(response);
}).catch(error => {
res.status(406).json({'error': error})
})
})
// PUT: edit a new meal
app.put('/api/meals', function(req, res) {
db.updateOneById(meals_db_name, req.body).then(response => {
res.status(201).json({msg: 'successfully edited report'});
}).catch(error => {
console.log('error is', error)
res.status(406).json({'error': error})
})
})
app.get('/api/meals/delete/:id', function(req, res) {
const mealId = req.params.id
db.deleteOne(meals_db_name, mealId).then(response => {
res.status(201).json({msg: 'successfully deleted meal report'});
}).catch(error => {
console.log('error is', error)
res.status(406).json({'error': error})
})
})
const prepareSearchQuery = (searchQuery) => {
if (searchQuery.interests) {
searchQuery.interests = {
$in: searchQuery.interests
}
}
else if (searchQuery.skills) {
const regexSkills = searchQuery.skills.map( (skill) => {
return new RegExp(skill, 'gi')
})
searchQuery.skills = {
$in: regexSkills
}
}
var query = { $or: []}
Object.keys(searchQuery).map( key => {
var keyObj = {}
keyObj[key] = searchQuery[key]
query['$or'].push(keyObj)
})
return query
}
app.post('/api/admin/search/users', (req, res) => {
if (auth.isAdmin(req)) {
searchQuery = prepareSearchQuery(req.body)
db.findAll('user', searchQuery).then(users => {
return res.json(users)
});
} else {
return res.json({ error: 'You do not have permission to access this resource...' })
}
})
app.get('/api/auth/facebook', passport.authenticate('facebook'))
app.get('/api/auth/facebook/callback', passport.authenticate('facebook', { failureRedirect: '/login' }), (req, res) => {
res.redirect(`/profile/${req.user._id}`)
})
app.listen(app.get('port'), function () {
console.log('[*] mealtally running on port', app.get('port'))
})