Added pinging bot for prefix and var string prefix

src/commands/fun.ts

@@ -28,7 +28,7 @@ const responses = [
 export default new Command({
 	description: "Fun commands.",
 	endpoint: false,
-	run: "Please provide an argument.\nFor help, run `.help fun`.",
+	run: "Please provide an argument.\nFor help, run `%prefix%help fun`.",
 	subcommands:
 	{
 		"8ball": new Command({

src/core/command.ts

@@ -3,6 +3,7 @@ import {Collection} from "discord.js";
 import {generateHandler} from "./storage";
 import {promises as ffs, existsSync, writeFile} from "fs";
 import {PERMISSIONS} from "./permissions";
+import {getPrefix} from "../core/structures";
 
 interface CommandOptions
 {
@@ -52,7 +53,8 @@ export default class Command
 		if(isType(this.run, String))
 		{
 			$.channel.send(parseVars(this.run as string, {
-				author: $.author.toString()
+				author: $.author.toString(),
+				prefix: getPrefix($.guild)
 			}, "???"));
 		}
 		else

src/core/structures.ts

@@ -1,6 +1,7 @@
 import FileManager from "./storage";
 import $, {select, GenericJSON, GenericStructure} from "./lib";
 import {watch} from "fs";
+import {Guild as DiscordGuild} from "discord.js";
 
 class ConfigStructure extends GenericStructure
 {
@@ -114,4 +115,9 @@ if(process.argv[2] === "dev")
 			case "storage": Storage = new StorageStructure(FileManager.read("storage")); break;
 		}
 	});
+}
+
+export function getPrefix(guild: DiscordGuild|null): string
+{
+	return Storage.getGuild(guild?.id || "N/A").prefix ?? Config.prefix;
 }

src/events/message.ts

@@ -3,7 +3,7 @@ import Command, {loadCommands} from "../core/command";
 import {hasPermission, getPermissionLevel, PermissionNames} from "../core/permissions";
 import $ from "../core/lib";
 import {Message, Permissions, Collection} from "discord.js";
-import {Config, Storage} from "../core/structures";
+import {getPrefix} from "../core/structures";
 
 // It's a rather hacky solution, but since there's no top-level await, I just have to make the loading conditional.
 let commands: Collection<string, Command>|null = null;
@@ -19,10 +19,14 @@ export default new Event({
 		if(message.author.bot)
 			return;
 		
-		const prefix = Storage.getGuild(message.guild?.id || "N/A").prefix || Config.prefix;
+		const prefix = getPrefix(message.guild);
 		
 		if(!message.content.startsWith(prefix))
+		{
+			if(message.client.user && message.mentions.has(message.client.user))
+				message.channel.send(`${message.author.toString()}, my prefix on this guild is \`${prefix}\`.`);
 			return;
+		}
 		
 		const [header, ...args] = message.content.substring(prefix.length).split(/ +/);