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

41 lines
1.6 KiB
JavaScript

// @ts-check
const assert = require("assert").strict
const Ty = require("../../types")
const passthrough = require("../../passthrough")
const { discord, sync, db } = passthrough
/**
* @param {Ty.Event.Outer<Ty.Event.M_Reaction>} event
*/
async function addReaction(event) {
const channelID = db.prepare("SELECT channel_id FROM channel_room WHERE room_id = ?").pluck().get(event.room_id)
if (!channelID) return // We just assume the bridge has already been created
const messageID = db.prepare("SELECT message_id FROM event_message 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.
// no need to sync the matrix member to the other side. but if I did need to, this is where I'd do it
let emoji = event.content["m.relates_to"].key // TODO: handle custom text or emoji reactions
let encoded = encodeURIComponent(emoji)
let encodedTrimmed = encoded.replace(/%EF%B8%8F/g, "")
// https://github.com/discord/discord-api-docs/issues/2723#issuecomment-807022205 ????????????
const forceTrimmedList = [
"%F0%9F%91%8D", // 👍
"%E2%AD%90" // ⭐
]
let discordPreferredEncoding =
( forceTrimmedList.includes(encodedTrimmed) ? encodedTrimmed
: encodedTrimmed !== encoded && [...emoji].length === 2 ? encoded
: encodedTrimmed)
console.log("add reaction from matrix:", emoji, encoded, encodedTrimmed, "chosen:", discordPreferredEncoding)
return discord.snow.channel.createReaction(channelID, messageID, discordPreferredEncoding)
}
module.exports.addReaction = addReaction