218 lines
8.1 KiB
JavaScript
218 lines
8.1 KiB
JavaScript
// @ts-check
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const assert = require("assert").strict
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const util = require("util")
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const DiscordTypes = require("discord-api-types/v10")
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const reg = require("../matrix/read-registration")
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const {discord, sync, db} = require("../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("../matrix/file")} */
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const file = sync.require("../matrix/file")
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/** @type {import("./utils")} */
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const utils = sync.require("./utils")
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const PREFIX = "//"
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let buttons = []
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/**
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* @param {string} channelID where to add the button
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* @param {string} messageID where to add the button
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* @param {string} emoji emoji to add as a button
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* @param {string} userID only listen for responses from this user
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* @returns {Promise<import("discord-api-types/v10").GatewayMessageReactionAddDispatchData>}
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*/
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async function addButton(channelID, messageID, emoji, userID) {
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await discord.snow.channel.createReaction(channelID, messageID, emoji)
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return new Promise(resolve => {
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buttons.push({channelID, messageID, userID, resolve, created: Date.now()})
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})
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}
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// Clear out old buttons every so often to free memory
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setInterval(() => {
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const now = Date.now()
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buttons = buttons.filter(b => now - b.created < 2*60*60*1000)
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}, 10*60*1000)
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/** @param {import("discord-api-types/v10").GatewayMessageReactionAddDispatchData} data */
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function onReactionAdd(data) {
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const button = buttons.find(b => b.channelID === data.channel_id && b.messageID === data.message_id && b.userID === data.user_id)
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if (button) {
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buttons = buttons.filter(b => b !== button) // remove button data so it can't be clicked again
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button.resolve(data)
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}
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}
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/**
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* @callback CommandExecute
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* @param {DiscordTypes.GatewayMessageCreateDispatchData} message
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* @param {DiscordTypes.APIGuildTextChannel} channel
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* @param {DiscordTypes.APIGuild} guild
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* @param {Partial<DiscordTypes.RESTPostAPIChannelMessageJSONBody>} [ctx]
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*/
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/**
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* @typedef Command
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* @property {string[]} aliases
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* @property {(message: DiscordTypes.GatewayMessageCreateDispatchData, channel: DiscordTypes.APIGuildTextChannel, guild: DiscordTypes.APIGuild) => Promise<any>} execute
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*/
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/** @param {CommandExecute} execute */
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function replyctx(execute) {
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/** @type {CommandExecute} */
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return function(message, channel, guild, ctx = {}) {
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ctx.message_reference = {
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message_id: message.id,
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channel_id: channel.id,
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guild_id: guild.id,
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fail_if_not_exists: false
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}
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return execute(message, channel, guild, ctx)
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}
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}
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/** @type {Command[]} */
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const commands = [{
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aliases: ["icon", "avatar", "roomicon", "roomavatar", "channelicon", "channelavatar"],
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execute: replyctx(
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async (message, channel, guild, ctx) => {
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// Guard
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const roomID = db.prepare("SELECT room_id FROM channel_room WHERE channel_id = ?").pluck().get(channel.id)
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if (!roomID) return discord.snow.channel.createMessage(channel.id, {
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...ctx,
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content: "This channel isn't bridged to the other side."
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})
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// Current avatar
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const avatarEvent = await api.getStateEvent(roomID, "m.room.avatar", "")
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const avatarURLParts = avatarEvent?.url.match(/^mxc:\/\/([^/]+)\/(\w+)$/)
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let currentAvatarMessage =
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( avatarURLParts ? `Current room-specific avatar: ${reg.ooye.server_origin}/_matrix/media/r0/download/${avatarURLParts[1]}/${avatarURLParts[2]}`
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: "No avatar. Now's your time to strike. Use `//icon` again with a link or upload to set the room-specific avatar.")
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// Next potential avatar
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const nextAvatarURL = message.attachments.find(a => a.content_type?.startsWith("image/"))?.url || message.content.match(/https?:\/\/[^ ]+\.[^ ]+\.(?:png|jpg|jpeg|webp)\b/)?.[0]
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let nextAvatarMessage =
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( nextAvatarURL ? `\nYou want to set it to: ${nextAvatarURL}\nHit ✅ to make it happen.`
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: "")
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const sent = await discord.snow.channel.createMessage(channel.id, {
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...ctx,
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content: currentAvatarMessage + nextAvatarMessage
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})
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if (nextAvatarURL) {
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addButton(channel.id, sent.id, "✅", message.author.id).then(async data => {
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const mxcUrl = await file.uploadDiscordFileToMxc(nextAvatarURL)
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await api.sendState(roomID, "m.room.avatar", "", {
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url: mxcUrl
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})
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db.prepare("UPDATE channel_room SET custom_avatar = ? WHERE channel_id = ?").run(mxcUrl, channel.id)
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await discord.snow.channel.createMessage(channel.id, {
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...ctx,
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content: "Your creation is unleashed. Any complaints will be redirected to Grelbo."
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})
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})
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}
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}
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)
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}, {
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aliases: ["invite"],
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execute: replyctx(
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async (message, channel, guild, ctx) => {
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// Check guild is bridged
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const spaceID = db.prepare("SELECT space_id FROM guild_space WHERE guild_id = ?").pluck().get(guild.id)
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const roomID = db.prepare("SELECT room_id FROM channel_room WHERE channel_id = ?").pluck().get(channel.id)
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if (!spaceID || !roomID) return discord.snow.channel.createMessage(channel.id, {
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...ctx,
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content: "This server isn't bridged to Matrix, so you can't invite Matrix users."
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})
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// Check CREATE_INSTANT_INVITE permission
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assert(message.member)
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const guildPermissions = utils.getPermissions(message.member.roles, guild.roles)
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if (!(guildPermissions & BigInt(1))) {
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return discord.snow.channel.createMessage(channel.id, {
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...ctx,
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content: "You don't have permission to invite people to this Discord server."
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})
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}
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// Guard against accidental mentions instead of the MXID
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if (message.content.match(/<[@#:].*>/)) return discord.snow.channel.createMessage(channel.id, {
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...ctx,
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content: "You have to say the Matrix ID of the person you want to invite, but you mentioned a Discord user in your message.\nOne way to fix this is by writing `` ` `` backticks `` ` `` around the Matrix ID."
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})
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// Get named MXID
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const mxid = message.content.match(/@([^:]+):([a-z0-9:-]+\.[a-z0-9.:-]+)/)?.[0]
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if (!mxid) return discord.snow.channel.createMessage(channel.id, {
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...ctx,
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content: "You have to say the Matrix ID of the person you want to invite. Matrix IDs look like this: `@username:example.org`"
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})
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// Check for existing invite to the space
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let spaceMember
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try {
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spaceMember = await api.getStateEvent(spaceID, "m.room.member", mxid)
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} catch (e) {}
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if (spaceMember && spaceMember.membership === "invite") {
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return discord.snow.channel.createMessage(channel.id, {
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...ctx,
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content: `\`${mxid}\` already has an invite, which they haven't accepted yet.`
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})
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}
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// Invite Matrix user if not in space
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if (!spaceMember || spaceMember.membership !== "join") {
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await api.inviteToRoom(spaceID, mxid)
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return discord.snow.channel.createMessage(channel.id, {
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...ctx,
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content: `You invited \`${mxid}\` to the server.`
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})
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}
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// The Matrix user *is* in the space, maybe we want to invite them to this channel?
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let roomMember
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try {
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roomMember = await api.getStateEvent(roomID, "m.room.member", mxid)
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} catch (e) {}
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if (!roomMember || (roomMember.membership !== "join" && roomMember.membership !== "invite")) {
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const sent = await discord.snow.channel.createMessage(channel.id, {
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...ctx,
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content: `\`${mxid}\` is already in this server. Would you like to additionally invite them to this specific channel?\nHit ✅ to make it happen.`
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})
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return addButton(channel.id, sent.id, "✅", message.author.id).then(async data => {
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await api.inviteToRoom(roomID, mxid)
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await discord.snow.channel.createMessage(channel.id, {
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...ctx,
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content: `You invited \`${mxid}\` to the channel.`
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})
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})
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}
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// The Matrix user *is* in the space and in the channel.
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await discord.snow.channel.createMessage(channel.id, {
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...ctx,
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content: `\`${mxid}\` is already in this server and this channel.`
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})
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}
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)
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}]
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/** @type {CommandExecute} */
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async function execute(message, channel, guild) {
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if (!message.content.startsWith(PREFIX)) return
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const words = message.content.slice(PREFIX.length).split(" ")
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const commandName = words[0]
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const command = commands.find(c => c.aliases.includes(commandName))
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if (!command) return
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await command.execute(message, channel, guild)
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}
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module.exports.execute = execute
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module.exports.onReactionAdd = onReactionAdd
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