Fix: Lobby info uses the wrong prefix

Fixes #31

classes/GuildConfig.js

@@ -77,26 +77,19 @@ class GuildConfig {
 
     reset(key) {
         const { defaultValue, getter } = getSetting(key);
-        if (this._document.config.hasOwnProperty(key)){
-            delete this._document.config[key]
+        if (this._document.config.hasOwnProperty(key)) {
+            delete this._document.config[key];
             this.scheduleSave();
         }
         return getter ? getter(defaultValue) : defaultValue;
     }
 
-    get commandPrefixes() {
-        return this._document.commandPrefixes ?? ['!sau', '!s'];
-    }
-
-    async updateCommandPrefixes(...params) {
-        const prefixes = params.map(param => param.trim());
-
-        // Skip the rest, if it's the same as what we already have.
-        if (deepEquals(prefixes, this.commandPrefixes)) return;
-
-        // Store the prefix and save.
-        this._document.commandPrefixes = prefixes;
-        await this.save();
+    /**
+     * A helper method for getting the default command prefix.
+     * @returns {string}
+     */
+    get defaultPrefix() {
+        return this.get('prefix').split(/\|/g)[0];
     }
 
     scheduleSave() {

classes/Lobby.js

@@ -2,9 +2,10 @@ const chance = require('chance').Chance();
 const deepEqual = require('deep-equal');
 const { Permissions, MessageEmbed } = require('discord.js');
 const { client, clientReady } = require('../discord-bot/discord-bot');
+const Database = require('./Database');
+const GuildConfig = require('./GuildConfig');
 const Player = require('./Player');
 const Room = require('./Room');
-const Database = require('./Database');
 
 const requiredTextPermissionsFlags = [
     'VIEW_CHANNEL',
@@ -743,8 +744,12 @@ class Lobby {
             .setFooter(`Capture Status: ${this.automation}`);
 
         if (spectators) {
+            const guildConfig = await GuildConfig.load(this.voiceChannel.guild.id);
+            const prefix = guildConfig.defaultPrefix;
             embed.addField('Spectators', spectators);
-            embed.addField('Join the Game!', 'Use `!sau join <In-Game Name>` to join!');
+            embed.addField('Join the Game!', [
+                `Use \`${prefix} join [In-Game Name]\` to join! (_Without the brackets._)`
+            ].join('\n'));
         }
 
         // If there's a text channel bound, send the embed to it.