83 lines
2.3 KiB
JavaScript
83 lines
2.3 KiB
JavaScript
// @ts-check
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const assert = require("assert").strict
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const DiscordTypes = require("discord-api-types/v10")
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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/file")} */
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const file = sync.require("../../matrix/file")
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/**
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* @param {DiscordTypes.APIEmoji[]} emojis
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*/
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async function emojisToState(emojis) {
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const result = {
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pack: {
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display_name: "Discord Emojis",
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usage: ["emoticon"] // we'll see...
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},
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images: {
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}
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}
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await Promise.all(emojis.map(emoji =>
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// the homeserver can probably cope with doing this in parallel
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file.uploadDiscordFileToMxc(file.emoji(emoji.id, emoji.animated)).then(url => {
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result.images[emoji.name] = {
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info: {
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mimetype: emoji.animated ? "image/gif" : "image/png"
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},
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url
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}
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db.prepare("INSERT OR IGNORE INTO emoji (emoji_id, animated, mxc_url) VALUES (?, ?, ?)").run(emoji.id, +!!emoji.animated, url)
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}).catch(e => {
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if (e.data.errcode === "M_TOO_LARGE") { // Very unlikely to happen. Only possible for 3x-series emojis uploaded shortly after animated emojis were introduced, when there was no 256 KB size limit.
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return
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}
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console.error(`Trying to handle emoji ${emoji.name} (${emoji.id}), but...`)
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throw e
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})
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))
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return result
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}
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/**
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* @param {DiscordTypes.APISticker[]} stickers
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*/
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async function stickersToState(stickers) {
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const result = {
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pack: {
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display_name: "Discord Stickers",
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usage: ["sticker"] // we'll see...
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},
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images: {
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}
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}
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const shortcodes = []
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await Promise.all(stickers.map(sticker =>
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// the homeserver can probably cope with doing this in parallel
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file.uploadDiscordFileToMxc(file.sticker(sticker)).then(url => {
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/** @type {string | undefined} */
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let body = sticker.name
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if (sticker && sticker.description) body += ` - ${sticker.description}`
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if (!body) body = undefined
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let shortcode = sticker.name.toLowerCase().replace(/[^a-zA-Z0-9-_]/g, "-").replace(/^-|-$/g, "").replace(/--+/g, "-")
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while (shortcodes.includes(shortcode)) shortcode = shortcode + "~"
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shortcodes.push(shortcode)
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result.images[shortcodes] = {
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info: {
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mimetype: file.stickerFormat.get(sticker.format_type)?.mime || "image/png"
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},
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body,
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url
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}
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})
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))
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return result
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}
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module.exports.emojisToState = emojisToState
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module.exports.stickersToState = stickersToState
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