Added optional channel target for setting channel

src/commands/admin.ts

@@ -166,7 +166,8 @@ export default new Command({
                     }
                 }),
                 stream: new Command({
-                    description: "Set a channel to send stream notifications.",
+                    description: "Set a channel to send stream notifications. Type `#` to reference the channel.",
+                    usage: "(<channel mention>)",
                     async run($) {
                         if ($.guild) {
                             const guild = Storage.getGuild($.guild.id);
@@ -183,7 +184,27 @@ export default new Command({
                         } else {
                             $.channel.send("You must use this command in a server.");
                         }
-                    }
+                    },
+                    // If/when channel types come out, this will be the perfect candidate to test it.
+                    any: new Command({
+                        async run($) {
+                            if ($.guild) {
+                                const match = $.args[0].match(/^<#(\d{17,19})>$/);
+
+                                if (match) {
+                                    Storage.getGuild($.guild.id).streamingChannel = match[1];
+                                    Storage.save();
+                                    $.channel.send(`Successfully set this server's welcome channel to ${match[0]}.`);
+                                } else {
+                                    $.channel.send(
+                                        "You must provide a reference channel. You can do this by typing `#` then searching for the proper channel."
+                                    );
+                                }
+                            } else {
+                                $.channel.send("You must use this command in a server.");
+                            }
+                        }
+                    })
                 })
             }
         }),

src/commands/utilities/streaminfo.ts

@@ -1,5 +1,5 @@
 import Command from "../../core/command";
-import {streamList, getStreamEmbed} from "../../events/voiceStateUpdate";
+import {streamList} from "../../events/voiceStateUpdate";
 
 export default new Command({
     description: "Sets the description of your stream. You can embed links by writing `[some name](some link)`",
@@ -8,8 +8,8 @@ export default new Command({
 
         if (streamList.has(userID)) {
             const stream = streamList.get(userID)!;
-            stream.description = $.args.join(" ") || undefined;
+            stream.description = $.args.join(" ") || "No description set.";
-            stream.message.edit(getStreamEmbed(stream.streamer, stream.channel, stream.description));
+            stream.update();
         } else {
             // Alternatively, I could make descriptions last outside of just one stream.
             $.channel.send("You can only use this command when streaming.");

src/events/channelUpdate.ts

@@ -1,12 +1,12 @@
 import Event from "../core/event";
-import {streamList, getStreamEmbed} from "./voiceStateUpdate";
+import {streamList} from "./voiceStateUpdate";
 
 export default new Event<"channelUpdate">({
     async on(before, after) {
         if (before.type === "voice" && after.type === "voice") {
-            for (const {streamer, channel, description, message} of streamList.values()) {
+            for (const stream of streamList.values()) {
-                if (after.id === channel.id) {
+                if (after.id === stream.channel.id) {
-                    message.edit(getStreamEmbed(streamer, channel, description));
+                    stream.update();
                 }
             }
         }

src/events/voiceStateUpdate.ts

@@ -9,13 +9,14 @@ type Stream = {
     channel: VoiceChannel;
     description?: string;
     message: Message;
+    update: () => void;
 };
 
 // A list of user IDs and message embeds.
 export const streamList = new Collection<string, Stream>();
 
 // Probably find a better, DRY way of doing this.
-export function getStreamEmbed(streamer: GuildMember, channel: VoiceChannel, description?: string): MessageEmbed {
+function getStreamEmbed(streamer: GuildMember, channel: VoiceChannel, description?: string): MessageEmbed {
     const user = streamer.user;
     const embed = new MessageEmbed()
         .setTitle(`Stream: \`#${channel.name}\``)
@@ -49,12 +50,15 @@ export default new Event<"voiceStateUpdate">({
                 const voiceChannel = after.channel!;
                 const textChannel = client.channels.cache.get(streamingChannel);
 
-                if (textChannel && textChannel instanceof TextChannel) {
+                if (textChannel instanceof TextChannel) {
                     if (isStartStreamEvent) {
                         streamList.set(member.id, {
                             streamer: member,
                             channel: voiceChannel,
-                            message: await textChannel.send(getStreamEmbed(member, voiceChannel))
+                            message: await textChannel.send(getStreamEmbed(member, voiceChannel)),
+                            update(this: Stream) {
+                                this.message.edit(getStreamEmbed(this.streamer, this.channel, this.description));
+                            }
                         });
                     } else if (isStopStreamEvent) {
                         if (streamList.has(member.id)) {