added inactivity timeout

src/queue.ts

@@ -1,20 +1,29 @@
-/* TODO
-- queue timeout
-    - after 5 mins of inactivity, the queue will close
-*/
-
 import { CommandInteraction, GuildMember, TextChannel } from "discord.js";
 import { shuffle } from "./util";
 
 type queueInfo = {
     players: GuildMember[],
     initiator: GuildMember,
-    teamsize: number
+    teamsize: number,
+    timeout: NodeJS.Timeout
 }
 
 //maps ChannelID to QueueInfo
 const QUEUE = new Map<string, queueInfo>();
 
+/**
+ * creates the timeout for the queue
+ * @param interaction 
+ * @returns time timeout identifier
+ */
+function setQueueTimeout(interaction: CommandInteraction) {
+    let channel = getChannel(interaction);
+    return setTimeout(() => {
+        QUEUE.delete(channel.id);
+        channel.send('Queue has been reset due to inactivity');
+    }, 5*60*1000) //5 minutes
+}
+
 /**
  * get the GuildMember of an interaction
  * @param interaction 
@@ -95,8 +104,8 @@ export function queueContains(interaction: CommandInteraction): boolean {
  */
 export async function createQueue(interaction: CommandInteraction) {
 
-    let {channelId} = interaction,
-        member = getMember(interaction),
+    let member = getMember(interaction),
+        {channelId} = interaction,
         teamsize = interaction.options.getInteger('teamsize', true);
 
     if (QUEUE.has(channelId))
@@ -107,7 +116,8 @@ export async function createQueue(interaction: CommandInteraction) {
             member
         ],
         initiator: member,
-        teamsize: teamsize
+        teamsize: teamsize,
+        timeout: setQueueTimeout(interaction)
     });
 
     await interaction.reply(`Queue for teams of ${teamsize} has been created, and you have joined`);
@@ -127,6 +137,8 @@ export async function joinQueue(interaction: CommandInteraction) {
         throw 'You are already in the active queue';
 
     info.players.push(member);
+    clearTimeout(info.timeout);
+    info.timeout = setQueueTimeout(interaction)
 
     QUEUE.set(interaction.channelId, info);
 
@@ -147,6 +159,8 @@ export async function leaveQueue(interaction: CommandInteraction) {
         throw 'You aren\'t in the active queue';
 
     info.players.splice(info.players.indexOf(member), 1);
+    clearTimeout(info.timeout);
+    info.timeout = setQueueTimeout(interaction)
 
     QUEUE.set(interaction.channelId, info);