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out-of-your-element-fork-th.../d2m/converters/emoji-to-key.js

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// @ts-check
const assert = require("assert").strict
const passthrough = require("../../passthrough")
const {discord, sync, db, select} = passthrough
/** @type {import("../../matrix/file")} */
const file = sync.require("../../matrix/file")
/**
* @param {import("discord-api-types/v10").APIEmoji} emoji
* @returns {Promise<string>}
*/
async function emojiToKey(emoji) {
let key
if (emoji.id) {
// Custom emoji
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const mxc = select("emoji", "mxc_url", {emoji_id: emoji.id}).pluck().get()
if (mxc) {
// The custom emoji is registered and we should send it
key = mxc
} else {
// The custom emoji is not registered. We will register it and then add it.
assert(emoji.name) // The docs say: "name may be null when custom emoji data is not available, for example, if it was deleted from the guild"
const mxc = await file.uploadDiscordFileToMxc(file.emoji(emoji.id, emoji.animated))
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db.prepare("INSERT OR IGNORE INTO emoji (emoji_id, name, animated, mxc_url) VALUES (?, ?, ?, ?)").run(emoji.id, emoji.name, +!!emoji.animated, mxc)
key = mxc
// TODO: what happens if the matrix user also tries adding this reaction? the bridge bot isn't able to use that emoji...
}
} else {
// Default emoji
const name = emoji.name
assert(name)
key = name
}
return key
}
module.exports.emojiToKey = emojiToKey