gancio-upstream/server/federation/comments.js

const { event: Event, comment: Comment } = require('../api/models')
const config = require('config')
const debug = require('debug')('fediverse:comment')

module.exports = {
  async create (req, res) {
    const body = req.body
    // search for related event
    const inReplyTo = body.object.inReplyTo
    const match = inReplyTo.match('.*\/federation\/m\/(.*)')
    if (!match || match.length < 2) {
      debug('Comment not found %s', inReplyTo)
      return res.status(404).send('Event not found!')
    }
    let event = await Event.findByPk(Number(match[1]))

    debug('comment coming for %s', inReplyTo)
    if (!event) {
      // in reply to another comment...
      const comment = await Comment.findOne({ where: { activitypub_id: inReplyTo }, include: [Event] })
      if (!comment) { return res.status(404).send('Not found') }
      event = comment.event
    }
    debug('comment from %s to "%s"', req.body.actor, event.title)

    await Comment.create({
      activitypub_id: body.object.id,
      data: body.object,
      eventId: event.id
    })

    res.sendStatus(201)
  },

  async remove (req, res) {
    const comment = await Comment.findOne({ where: { activitypub_id: req.body.object.id } })
    if (!comment) {
      debug('Comment %s not found', req.body.object.id)
      return res.status(404).send('Not found')
    }
    await comment.destroy()
    debug('Comment %s removed!', req.body.object.id)
    return res.sendStatus(201)
  }
}