snipette-crowdfunding-site/server/index.js

115 lines
3 KiB
JavaScript

const express = require('express')
const path = require('path')
require('dotenv').config()
// set up debug
let DEBUG
if (process.env.DEBUG || process.env.CROWDFUNDING_SITE_DEBUG) {
DEBUG = true
} else {
DEBUG = false
}
if (DEBUG) console.log('Starting website in debug mode')
// get goal details
const goalPeople = Number(process.env.CROWDFUNDING_SITE_GOAL_PEOPLE) || 750
const goalRupees = Number(process.env.CROWDFUNDING_SITE_GOAL_RUPEES) || 500000
// set up knex (for database)
const knex = require('knex')({
client:'sqlite3',
connection:{
filename:'./donors.sqlite'
},
useNullAsDefault: true
})
knex.schema.hasTable('pledges').then(function(exists) {
if (!exists) {
if (DEBUG) console.debug('No table exists! Creating one now...')
return knex.schema.createTable('pledges', function(t) {
t.increments('id').primary()
t.timestamp('created_at').defaultTo(knex.fn.now()).notNullable()
t.boolean('was_robot').defaultTo(true)
t.integer('amount').notNullable()
t.string('name', 128)
t.boolean('anonymous')
t.string('email', 128)
t.string('phone', 32)
t.integer('retry_times').defaultTo(10)
t.boolean('get_newsletter').defaultTo(false)
t.text('other_message')
})
}
})
// set up bookshelf (for easy interface for database)
bookshelf = require('bookshelf')(knex)
const Pledge = bookshelf.model('Pledge', {
tableName: 'pledges',
})
// decide base url and port for app (can be configured)
const baseUrl = process.env.CROWDFUNDING_SITE_BASE_URL || '/'
const port = process.env.CROWDFUNDING_SITE_PORT || 5000
// set up twing
const {TwingEnvironment, TwingLoaderFilesystem} = require('twing')
let loader = new TwingLoaderFilesystem(path.resolve(__dirname, '..', 'dist'))
let twing = new TwingEnvironment(loader)
// set up express
const app = express()
const router = express.Router()
app.use(baseUrl, router)
app.use(express.static('dist'))
// main views
router.get('/', async (req, res) => {
if (DEBUG) console.debug('Returning home page')
// count people
// TODO: optimise to do using SQL only
let total_people = 0
let total_rupees = 0
let result = await Pledge.fetchAll()
for (let pledge of result.models) {
if (DEBUG) console.log('Adding', pledge.get('amount'))
total_people += 1
total_rupees += pledge.get('amount')
}
twing.render('index.html', {
'goal_rupees': Number(goalRupees).toLocaleString('en-IN'),
'goal_people': Number(goalPeople).toLocaleString('en-IN'),
'progress_rupees': Number(total_rupees).toLocaleString('en-IN'),
'progress_people': Number(total_people).toLocaleString('en-IN'),
'percent_rupees': `style="width: ${total_rupees/goalRupees*100}%"`,
'percent_people': `style="width: ${total_people/goalPeople*100}%"`,
}).then((output) => {
res.end(output)
})
})
// start the listener!
app.listen(port, () => {
console.log(`Server is up at port ${port}`)
})
// end note: in case we want to import this somewhere for testing
module.exports = {
knex,
bookshelf,
Pledge,
router,
}