58 lines
2.1 KiB
JavaScript
58 lines
2.1 KiB
JavaScript
// @ts-check
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const assert = require("assert").strict
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const passthrough = require("../../passthrough")
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const {discord, sync, db, select} = passthrough
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/** @type {import("../../matrix/api")} */
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const api = sync.require("../../matrix/api")
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/** @type {import("./register-user")} */
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const registerUser = sync.require("./register-user")
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/** @type {import("../actions/create-room")} */
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const createRoom = sync.require("../actions/create-room")
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/** @type {import("../../matrix/file")} */
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const file = sync.require("../../matrix/file")
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/**
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* @param {import("discord-api-types/v10").GatewayMessageReactionAddDispatchData} data
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*/
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async function addReaction(data) {
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const user = data.member?.user
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assert.ok(user && user.username)
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const parentID = select("event_message", "event_id", "WHERE message_id = ? AND part = 0").pluck().get(data.message_id) // 0 = primary
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if (!parentID) return // Nothing can be done if the parent message was never bridged.
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assert.equal(typeof parentID, "string")
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let key
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if (data.emoji.id) {
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// Custom emoji
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const mxc = select("emoji", "mxc_url", "WHERE id = ?").pluck().get(data.emoji.id)
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if (mxc) {
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// The custom emoji is registered and we should send it
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key = mxc
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} else {
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// The custom emoji is not registered. We will register it and then add it.
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const mxc = await file.uploadDiscordFileToMxc(file.emoji(data.emoji.id, data.emoji.animated))
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db.prepare("INSERT OR IGNORE INTO emoji (id, name, animated, mxc_url) VALUES (?, ?, ?, ?)").run(data.emoji.id, data.emoji.name, +!!data.emoji.animated, mxc)
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key = mxc
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// TODO: what happens if the matrix user also tries adding this reaction? the bridge bot isn't able to use that emoji...
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}
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} else {
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// Default emoji
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key = data.emoji.name
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}
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const roomID = await createRoom.ensureRoom(data.channel_id)
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const senderMxid = await registerUser.ensureSimJoined(user, roomID)
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const eventID = await api.sendEvent(roomID, "m.reaction", {
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"m.relates_to": {
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rel_type: "m.annotation",
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event_id: parentID,
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key
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}
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}, senderMxid)
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return eventID
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}
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module.exports.addReaction = addReaction
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