const express = require('express');
const fs = require('fs');
const sendmail = require('sendmail')({silent: true});
const uniqid = require('uniqid');
const path = require('path');
var router = express.Router();
const confirmationsPath = '../database/confirmations.json';
const writeJsonFile = (file, data) => {
fs.writeFileSync(path.join(__dirname, file), JSON.stringify(data));
};
const readJsonFile = (file) => {
return JSON.parse(fs.readFileSync(path.join(__dirname, file)).toString());
};
/** This function is for the validation of the email address.
* Required arguments (in POST) are:
* email: string
* message: string
* number: number
* name: string
*/
router.post('/', (req, res, _next) => {
// Generate an id.
const id = uniqid();
// Send an email with a link to validate the id.
sendmail({
from: 'surpise-box@jobbel.nl',
to: req.body.email,
subject: 'test sendmail',
html: `
Beste ${req.body.name},
Deze email is verzonden omdat u surprise box ${req.body.number} voor de kerstmarkt van Het Heerenlanden heeft aangevraagd.
Om uw aanvraag te bevestigen, moet u om de volgende link klikken:
http://localhost:3000/mail/validate/${id}
Met vriendelijk groet,
het surprise box team van Het Heerenlanden
`,
// Once it is sent
}, function(err, reply) {
// If there's an error
if (err) {
// Notify the front-end
res.json({result: {success: false, data: err}});
} else {
// Add the user's data to the database identified by the id.
writeJsonFile(confirmationsPath, {
// Make sure that the other records are preserved.
...readJsonFile(confirmationsPath),
// Then add the new one
[id]: {
'name': req.body.name,
'number': Number(req.body.number),
'timestamp': Date.now(),
'message': req.body.message
}
})
// Notify the front-end
res.json({result: {success: true, data: reply}});
}
});
});
/** This function is used when a user clicks on the link in their email.
*
* This should be extremely user-friendly.
*/
router.get('/validate/:id', (req, res, _next) => {
const data = readJsonFile(confirmationsPath);
const id = req.params.id;
// If id is found and the user is in time
if (data[id] && Date.now() <= (data[id].timestamp + 3600000 /* one hour in milliseconds */)) {
// send success result
// res.json({result: {success: true, data: data[id].number}});
res.render('validate-success', {number: data[id].number})
// Delete the record
delete data[id];
writeJsonFile(confirmationsPath, data);
} else {
// Else if the id is found but the time is expired
if (data[id] && Date.now() > (data[id].timestamp + 3600000)) {
// send result
//res.json({result: {success: false, data: 'expired'}});
res.render('validate-error', {data: 'expired', number: data[id].number });
// delete the record
delete data[id];
writeJsonFile(confirmationsPath, data);
// If the id is not found
} else {
//res.json({result: {success: false, data: 'ID not found'}});
res.render('validate-error', {data: 'not found'});
}
}
});
module.exports = router;