out-of-your-element/m2d/actions/add-reaction.js

31 lines
1.4 KiB
JavaScript

// @ts-check
const assert = require("assert").strict
const Ty = require("../../types")
const passthrough = require("../../passthrough")
const {discord, sync, db, select} = passthrough
/** @type {import("../converters/utils")} */
const utils = sync.require("../converters/utils")
/** @type {import("../converters/emoji")} */
const emoji = sync.require("../converters/emoji")
/**
* @param {Ty.Event.Outer<Ty.Event.M_Reaction>} event
*/
async function addReaction(event) {
const channelID = select("channel_room", "channel_id", "WHERE room_id = ?").pluck().get(event.room_id)
if (!channelID) return // We just assume the bridge has already been created
const messageID = select("event_message", "message_id", "WHERE event_id = ? AND part = 0").pluck().get(event.content["m.relates_to"].event_id) // 0 = primary
if (!messageID) return // Nothing can be done if the parent message was never bridged.
const key = event.content["m.relates_to"].key // TODO: handle custom text or emoji reactions
const discordPreferredEncoding = emoji.encodeEmoji(key, event.content.shortcode)
if (!discordPreferredEncoding) return
await discord.snow.channel.createReaction(channelID, messageID, discordPreferredEncoding) // acting as the discord bot itself
db.prepare("REPLACE INTO reaction (hashed_event_id, message_id, encoded_emoji) VALUES (?, ?, ?)").run(utils.getEventIDHash(event.event_id), messageID, discordPreferredEncoding)
}
module.exports.addReaction = addReaction