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freesewing/scripts/newsletter-lib.mjs
2022-06-28 12:59:31 +02:00

102 lines
2.8 KiB
JavaScript

import fs from 'fs'
import path from 'path'
import axios from 'axios'
import { unified } from 'unified'
import markdown from 'remark-parse'
import remark2rehype from 'remark-rehype'
import format from 'rehype-format'
import html from 'rehype-stringify'
import mustache from 'mustache'
import nodemailer from 'nodemailer'
import { testers } from '../config/newsletter-testers.mjs'
import { fileURLToPath } from 'url';
// Current working directory
const cwd = path.dirname(fileURLToPath(import.meta.url))
const backend = "https://backend.freesewing.org/"
const asHtml = async (text) => {
let content = await unified().use(markdown).use(remark2rehype).use(format).use(html).process(text)
return content.contents
}
const getToken = async () => {
let res = await axios.post(`${backend}login`, {
username: process.env.FS_USER,
password: process.env.FS_PASSWORD,
})
if (res.data) return res.data.token
else if (res.err) return console.log(err)
}
const getSubscribers = async (test = true) => {
if (test) return testers
let token = await getToken()
let res = await axios.get(`${backend}admin/subscribers`, {
headers: { Authorization: 'Bearer ' + token },
})
if (res.data) return res.data
else return false
}
const send = async (test = true) => {
const template = fs.readFileSync(`${cwd}/../config/templates/newsletter.html`, 'utf8')
let edition
try {
edition = await axios.get(`https://posts.freesewing.org/newsletters?slug_eq=${process.env.NL_EDITION}`, 'utf8')
} catch (err) {
console.log(err)
process.exit()
}
const text = edition.body
const subscribers = await getSubscribers(test)
const content = await asHtml(text)
const inject = { content }
const smtp = nodemailer.createTransport({
host: process.env.SMTP_HOST,
auth: {
user: process.env.SMTP_USER,
pass: process.env.SMTP_PASS,
},
})
let i = 1
let subs = subscribers.length
for (let sub of subscribers) {
// If your SMTP relay start rate-limiting midway through
// you can use this if loop to start just after the last
// successful delivery
if (i > 0) {
let unsub = `${backend}unsubscribe/${sub.ehash}`
inject.unsubscribe = unsub
let body = mustache.render(template, inject)
console.log(`${i}/${subs} Sending to ${sub.email}`)
await smtp.sendMail({
from: '"FreeSewing" <info@freesewing.org>',
to: sub.email,
subject: 'FreeSewing newsletter: Spring 2021',
headers: {
Language: 'en',
'List-Owner': 'joost@joost.at',
'List-Subscribe': 'https://freesewing.org/community/newsletter/',
'List-Unsubscribe': unsub,
},
text,
html: body,
})
}
i++
}
}
const sendTest = () => send(true)
const sendReal = () => send(false)
export {
sendTest,
sendReal,
}