index.js

const arc = require('@architect/functions');
const { DateTime } = require('luxon');
const { createPost } = require('@architect/shared/ghost_post');

async function route(req, res) {
  const { GHOST_NAME } = process.env;

  let post

  try {
    console.log('Received tweet', req.body);

    // Message

    const sections = [];
    const cards = [];

    // Body text

    cards.push([
      'markdown',
      { markdown: req.body.text }
    ]);

    sections.push([10, cards.length - 1]);

    // Twitter link

    cards.push([
      'html',
      { html: `<p class="twitter-link"><a href="${req.body.url}" target="_blank" rel="noopener"><span>Open in Twitter</span></a></p>` }
    ]);

    sections.push([10, cards.length - 1]);

    const mobiledoc = {
      version: '0.3.1',
      markups: [],
      atoms: [],
      cards,
      sections
    };

    // Create time

    // Twitter gives creation time in format `Thu Nov 22 05:37:30 +0000 2018`
    const created = DateTime
      .fromFormat(req.body.created, 'ccc LLL dd HH:mm:ss ZZZ yyyy')
      .setZone('Europe/Helsinki'); // Change this to your local timezone
    const formatted = created.toFormat('d.M.yyyy H:mm'); // Change this to the format of your choice
    const slugFormatted = created.toFormat('dd-MM-yyyy-HH-mm');
    const createdISO = created.toISO();

    post = await createPost({
      mobiledoc: JSON.stringify(mobiledoc),
      title: `Twitter ${formatted}`,
      slug: `twitter-${slugFormatted}`,
      created_at: createdISO,

      // Publish immediately, remove these if you want to create a draft
      published_at: createdISO,
      status: 'published',
      visibility: 'public'
    });
  } catch (e) {
    console.error(e.body || e);

    let errorResult = e.statusMessage || e.message;

    if (e.body && e.body.errors) {
      errorResult = e.body.errors.map((err) => `${err.errorType}: ${err.message}`).join('\n');
    }

    return res({
      status: 500,
      body: errorResult
    });
  }

  // Returns the post in JSON, not really required
  return res({
    type: 'application/json; charset=utf8',
    body: JSON.stringify(post)
  });
}

exports.handler = arc.http(route);