527 lines
15 KiB
JavaScript
527 lines
15 KiB
JavaScript
const express = require('express')
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const nodemailer = require('nodemailer')
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const bodyParser = require('body-parser')
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const path = require('path')
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const { URLSafeTimedSerializer } = require("@constemi/itsdangerjs")
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require('dotenv').config()
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// set up debug
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let DEBUG
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if (process.env.DEBUG || process.env.CROWDFUNDING_SITE_DEBUG) {
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DEBUG = true
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} else {
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DEBUG = false
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}
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if (DEBUG) console.log('Starting website in debug mode')
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// set up secret key
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let secretKey
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if (process.env.CROWDFUNDING_SITE_SECRET_KEY) {
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secretKey = process.env.CROWDFUNDING_SITE_SECRET_KEY
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} else {
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if (DEBUG) {
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secretKey = 'NotReallyASecret'
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console.warn("Secret key is not set! We're falling back to the default one which is INSECURE and NOT TO BE USED IN PRODUCTION")
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} else {
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console.error('No secret key is set. You cannot run this in production without setting a secret key because that would be very insecure. Sorry.')
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process.exit()
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}
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}
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// set up nodemailer (if configured)
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let mailer
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let emailFrom
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if (
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!!process.env.CROWDFUNDING_SITE_EMAIL_HOST &&
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!!process.env.CROWDFUNDING_SITE_EMAIL_USER &&
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!!process.env.CROWDFUNDING_SITE_EMAIL_PASSWORD
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) {
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mailer = nodemailer.createTransport({
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host: process.env.CROWDFUNDING_SITE_EMAIL_HOST,
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port: process.env.CROWDFUNDING_SITE_EMAIL_PORT || 587,
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secure: process.env.CROWDFUNDING_SITE_EMAIL_SECURE == 'false' ? false : true,
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auth: {
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user: process.env.CROWDFUNDING_SITE_EMAIL_USER,
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pass: process.env.CROWDFUNDING_SITE_EMAIL_PASSWORD,
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}
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})
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if (!!process.env.CROWDFUNDING_SITE_EMAIL_FROM) {
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emailFrom = process.env.CROWDFUNDING_SITE_EMAIL_FROM
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} else {
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emailFrom = process.env.CROWDFUNDING_SITE_EMAIL_USER
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console.warn(`No "From" address set! Using ${emailFrom} as a default.`)
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}
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} else {
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console.log("Email has not been configured! Some features won't work properly until this is set up :/")
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}
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async function sendMail(message) {
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if (DEBUG || !mailer) {
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console.log(`\n\n-------------------------- BEGIN EMAIL --------------------------\n`)
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console.log(`From: ${message.from}\nTo:${message.to}\nSubject:${message.subject||'(no subject)'}\n\n${message.text}`)
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console.log(`\n--------------------------- END EMAIL ---------------------------`)
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return
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} else {
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let receipt = await mailer.sendMail({
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from: message.from || emailFrom,
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to: message.to,
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subject: message.subject,
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text: message.text,
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html: message.html,
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})
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return receipt
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}
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}
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// get goal details
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const goalPeople = Number(process.env.CROWDFUNDING_SITE_GOAL_PEOPLE) || 750
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const goalRupees = Number(process.env.CROWDFUNDING_SITE_GOAL_RUPEES) || 500000
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// set up knex (for database)
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const knex = require('knex')({
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client:'sqlite3',
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connection:{
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filename:'./donors.sqlite'
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},
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useNullAsDefault: true
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})
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// schema to save pledges
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let pledgeSchema = function(t) {
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t.increments('id').primary()
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t.timestamp('created_at').defaultTo(knex.fn.now()).notNullable()
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t.boolean('was_robot').defaultTo(true)
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t.integer('amount').notNullable()
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t.boolean('overseas')
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t.string('name', 128)
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t.boolean('anonymous')
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t.string('email', 128)
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t.string('phone', 32)
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t.integer('retry_times').defaultTo(10)
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t.boolean('get_newsletter').defaultTo(false)
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t.text('other_message')
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}
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// make sure pledges table exists
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knex.schema.hasTable('pledges').then(function(exists) {
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if (!exists) {
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if (DEBUG) console.debug('No pledge table exists! Creating one now...')
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return knex.schema.createTable('pledges', pledgeSchema)
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}
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})
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// make sure unverified pledge table exists
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knex.schema.hasTable('unverified_pledges').then(function(exists) {
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if (!exists) {
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if (DEBUG) console.debug('No unverified pledge table exists! Creating one now...')
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return knex.schema.createTable('unverified_pledges', pledgeSchema)
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}
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})
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// set up bookshelf (for easy interface for database)
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bookshelf = require('bookshelf')(knex)
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const Pledge = bookshelf.model('Pledge', {
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tableName: 'pledges',
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})
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const UnverifiedPledge = bookshelf.model('UnverifiedPledge', {
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tableName: 'unverified_pledges',
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})
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// decide base url and port for app (can be configured)
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const baseUrl = process.env.CROWDFUNDING_SITE_BASE_URL || '/'
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const port = process.env.CROWDFUNDING_SITE_PORT || 5000
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// set up twing
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const {TwingEnvironment, TwingLoaderFilesystem} = require('twing')
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let loader = new TwingLoaderFilesystem([
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path.resolve(__dirname, '..', 'src'),
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])
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let twing = new TwingEnvironment(loader)
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// set up express
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const app = express()
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const router = express.Router()
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app.use(baseUrl, router)
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router.use(bodyParser.urlencoded({
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extended: true,
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}))
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// main views
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router.get('/', async (req, res) => {
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if (DEBUG) console.debug('Returning home page')
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// count people
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let { total_people, total_rupees } = (await knex('pledges')
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.sum('amount as total_rupees')
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.count('* as total_people'))[0]
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// get latest pledges
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let recentPledges = (
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await Pledge
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.forge()
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.orderBy('created_at', 'DESC')
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.fetchPage({ limit: 5 })
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).models
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if (DEBUG) console.log(`Listing ${recentPledges.length} pledges`)
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twing.render('index.htm.twig', {
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'goal_rupees': Number(goalRupees).toLocaleString('en-IN'),
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'goal_people': Number(goalPeople).toLocaleString('en-IN'),
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'progress_rupees': Number(total_rupees).toLocaleString('en-IN'),
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'progress_people': Number(total_people).toLocaleString('en-IN'),
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'percent_rupees': `style="width: ${total_rupees/goalRupees*100}%"`,
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'percent_people': `style="width: ${total_people/goalPeople*100}%"`,
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'recent_pledges': recentPledges,
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}).then((output) => {
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res.end(output)
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})
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})
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// function to validate pledges before saving
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function validatePledge(body, PledgeModel = Pledge) {
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// errors get saved here
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let errors = []
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let was_robot = body.was_robot
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if(was_robot != 'no') {
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errors.push('Only humans are allowed to donate money. Robots are too digital 🤖')
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}
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let amount = body.amount
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if (!amount || amount == 'custom') {
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amount = body['amount-custom']
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}
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if (!amount || amount <= 0) {
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errors.push('Pledge amount too small. Please choose at least a rupee!')
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}
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try {
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amount = Number(amount)
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} catch (err) {
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errors.push('Invalid amount. Please choose a positive number!')
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}
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let name = body.name
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if (name.length <=0) {
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errors.push('What is your name? You can be anonymous to the world but at least we should know...')
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}
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let anonymous = body.anonymous == 'on' ? true : false
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let email = body.email
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if (email.length < 5) {
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errors.push('Please enter a valid email address')
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}
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let phone = body.phone
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let retry_times
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try {
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retry_times = body.retry_times
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} catch (err) {
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errors.push('Invalid retry count. Please choose a positive number!')
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}
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let get_newsletter = body.get_newsletter == 'yes' ? true : false
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let overseas = body.overseas == 'yes' ? true : false
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let other_message = body.other_message
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// enter the info
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let pledge = new PledgeModel() // may be Pledge or UnverifiedPledge
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pledge.set('was_robot', was_robot)
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pledge.set('amount', amount)
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pledge.set('overseas', overseas)
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pledge.set('name', name)
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pledge.set('anonymous', anonymous)
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pledge.set('email', email)
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pledge.set('phone', phone)
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pledge.set('retry_times', retry_times)
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pledge.set('get_newsletter', get_newsletter)
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pledge.set('other_message', other_message)
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// return it all!
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return {
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pledge: pledge,
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errors: errors,
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}
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}
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router.post('/pledge', async (req, res) => {
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if (DEBUG) console.debug('New pledge:', req.body)
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// check that the right submit button was pressed
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let submit = req.body.submit
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if (submit != 'Save Pledge') {
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errors.push("This request seems to have been tampered with. Are you sure it wasn't you doing the tampering?")
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}
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// process the pledge with our handy function
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let {pledge, errors} = validatePledge(req.body, UnverifiedPledge)
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// fail if there were errors
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if (!!errors.length) {
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let output = await twing.render('form-errors.htm.twig', {
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errors: errors,
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})
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res.send(output)
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return
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}
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// save if there weren't
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if (DEBUG) console.debug (`Saving pledge: ${JSON.stringify(pledge)}`)
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try {
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await pledge.save()
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} catch (err) {
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let output = await twing.render('error.htm.twig', {
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error: "Sorry, something went wrong while saving your pledge and we don't know what in was. This website is still in beta so we do have a glitches once in a while. Apologies and please try again...🙁",
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})
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res.send(output)
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return
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}
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// check for existing pledge
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let existingPledge
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try {
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existingPledge = await (Pledge
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.query({
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where: {
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'email': pledge.get('email'),
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'amount': pledge.get('amount'),
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},
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})
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.orderBy('created_at', 'DESC')
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.fetch())
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} catch(e) {
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if (e.message == 'EmptyResponse' && DEBUG) {
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console.debug('No existing pledge')
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} else {
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console.warn(`Weird error happened: ${e}`)
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}
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}
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// generate verification link
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let serialiser = URLSafeTimedSerializer(secretKey, pledge.get('email'))
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let verificationLink = `${req.protocol}://${req.hostname}/verify?email=${encodeURIComponent(pledge.get('email'))}&key=${encodeURIComponent(serialiser.dumps(pledge.get('amount')))}`
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// send out the email, along with existing pledge deets
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console.debug(`Verification link generated: ${verificationLink}`)
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let text = `Hi ${pledge.get('name')},
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Thank you so much for your pledge of ₹${Number(pledge.get('amount')).toLocaleString('en-IN')} to Snipette!
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To finish the pledge, please verify your email by clicking the link below:
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${verificationLink}
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If you have any questions, don't hesitate to reach out: you can drop a line
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anytime to editors@snipettemag.com.
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Thanks,
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The Snipette Team`
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// to make things snappier, we don't `await` for the sending to finish.
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let receipt = sendMail({
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to: req.body.email,
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subject: `Finish ${existingPledge ? 'updating' : 'saving'} your pledge to Snipette`,
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text: text,
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})
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// return the success page
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twing.render('pledge.htm.twig', {
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'email': pledge.get('email'),
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}).then((output) => {
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res.send(output)
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})
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})
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// save pledge after verification complete
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router.get('/verify', async (req, res) => {
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if (DEBUG) console.debug('Validating pledge:', req.query)
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// unpack verification link (unless it's expired)
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let serialiser = URLSafeTimedSerializer(secretKey, req.query.email)
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let amount
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try {
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amount = serialiser.loads(req.query.key, 300) // number in seconds
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} catch(e) {
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if (e.name == 'SignatureExpired') {
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let output = await twing.render('error.htm.twig', {
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error: "Sorry, looks like your link has expired. Please go back and try pledging again. Hopefully you'll manage it quicker this time 😛",
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})
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res.send(output)
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return
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} else {
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let output = await twing.render('error.htm.twig', {
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error: "An unknown error occurred. Please generate a new link and try again. Sorry for the inconvenience 🤦",
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})
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res.send(output)
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return
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}
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}
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// check against database
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let pledge
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try {
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pledge = await (UnverifiedPledge
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.query({
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where: {
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'email': req.query.email,
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'amount': amount,
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},
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})
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.orderBy('created_at', 'DESC')
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.fetch())
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} catch(e) {
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if (e.name == 'EmptyResponse') {
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let output = await twing.render('error.htm.twig', {
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error: "That pledge was not found in our records. Are you sure you made it? 🔎",
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})
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res.send(output)
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return
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} else {
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let output = await twing.render('error.htm.twig', {
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error: "An unknown error occurred. Please generate a new link and try again. Sorry for the inconvenience 🤦",
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})
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res.send(output)
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return
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}
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}
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// prepare our new pledge
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let newPledge = new Pledge()
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newPledge.set('was_robot', pledge.get('was_robot'))
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newPledge.set('amount', pledge.get('amount'))
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newPledge.set('overseas', pledge.get('overseas'))
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newPledge.set('name', pledge.get('name'))
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newPledge.set('anonymous', pledge.get('anonymous'))
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newPledge.set('email', pledge.get('email'))
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newPledge.set('phone', pledge.get('phone'))
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newPledge.set('retry_times', pledge.get('retry_times'))
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newPledge.set('get_newsletter', pledge.get('get_newsletter'))
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newPledge.set('other_message', pledge.get('other_message'))
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// destroy previous pledges by that user
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try {
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await (Pledge
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.query({
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where: {
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email: req.query.email,
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}
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})
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.destroy())
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} catch(e) {
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if (e.message != 'No Rows Deleted') throw e
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}
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// save the new pledge
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await newPledge.save()
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// send the confirmation email
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let text = `Hi ${pledge.get('name')},
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Your pledge of ₹${Number(pledge.get('amount')).toLocaleString('en-IN')} to Snipette Analog has been saved!
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Thank you so much for your support. Once we hit our goals, we will contact
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you to make the final payment. Meanwhile, here are the details of your
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pledge for reference:
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Name: ${pledge.get('name')}
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Pledge amount: ${Number(pledge.get('amount')).toLocaleString('en-IN')}${pledge.overseas ? ' (plus $25 for shipping)' : ''}
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Email: ${pledge.get('email')}
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Phone: ${pledge.get('phone') || 'not provided'}
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Extra message:
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${pledge.get('other_message') || '[no message sent]'}
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We will attempt to contact you ${pledge.get('retry_times') <= 1 ? 'only once' : String(pledge.get('retry_times')) + ' times'} before giving up.
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You can update your pledge by going to the crowdfunding homepage and saving
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a pledge with the same email address as you used before.
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If you have any questions, don't hesitate to reach out: you can drop a line
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anytime to editors@snipettemag.com.
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Thanks,
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The Snipette Team`
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// to make things snappier, we don't `await` for the sending to finish
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let receipt = sendMail({
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to: pledge.get('email'),
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subject: `Your pledge has been saved!`,
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text: text,
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})
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// Send confirmation message
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res.redirect('/thanks')
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})
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router.get('/thanks', async (req, res) => {
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let output = await twing.render('thanks.htm.twig')
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res.send(output)
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return
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})
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router.get('/pledges', async (req, res) => {
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if (DEBUG) console.debug('Returning pledges list')
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// count people
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let { total_people, total_rupees } = (await knex('pledges')
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.sum('amount as total_rupees')
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.count('* as total_people'))[0]
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// get latest pledges
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let recentPledges = (
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await Pledge
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.forge()
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.orderBy('created_at', 'DESC')
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.fetchAll()
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).models
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if (DEBUG) console.log(`Listing ${recentPledges.length} pledges`)
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twing.render('pledges.htm.twig', {
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'recent_pledges': recentPledges,
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}).then((output) => {
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res.send(output)
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})
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})
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router.use(express.static('src/assets'))
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// start the listener!
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app.listen(port, () => {
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console.log(`Server is up at port ${port}`)
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})
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// end note: in case we want to import this somewhere for testing
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module.exports = {
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knex,
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bookshelf,
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Pledge,
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UnverifiedPledge,
|
|
router,
|
|
}
|