add a few more util things and an error handler

2 files changed, 96 insertions, 0 deletions

diff --git a/src/lib/extensions/Util.ts b/src/lib/extensions/Util.ts
index 20bfd48..4942bb8 100644
--- a/src/lib/extensions/Util.ts
+++ b/src/lib/extensions/Util.ts
@@ -5,6 +5,8 @@ import { promisify } from 'util';
 import { exec } from 'child_process';
 import got from 'got';
 import { TextChannel } from 'discord.js';
+import { MessageEmbed } from 'discord.js';
+import { GuildMember } from 'discord.js';
 
 interface hastebinRes {
 	key: string;
@@ -193,4 +195,50 @@ export class Util extends ClientUtil {
 		)) as TextChannel;
 		await channel.send(`ERROR: ${message}`);
 	}
+
+	/**
+	 * The colors used throught the bot
+	 */
+	public colors = {
+		default: '#1FD8F1',
+		error: '#ff0000',
+		success: '#00ff02',
+		red: '#ff0000',
+		blue: '#0055ff',
+		aqua: '#00bbff',
+		purple: '#8400ff',
+		blurple: '#5440cd',
+		pink: '#ff00e6',
+		green: '#00ff1e',
+		darkgreen: '#008f11',
+		gold: '#b59400',
+		yellow: '#ffff00',
+		white: '#ffffff',
+		gray: '#a6a6a6',
+		lightgray: '#cfcfcf',
+		darkgray: '#7a7a7a',
+		black: '#000000',
+		orange: '#E86100'
+	};
+
+	/**
+	 * A simple utility to create and embed with the needed style for the bot
+	 */
+	public createEmbed(
+		color?: string,
+		author?: User | GuildMember
+	): MessageEmbed {
+		if (author instanceof GuildMember) {
+			author = author.user; // Convert to User if GuildMember
+		}
+		let embed = new MessageEmbed().setTimestamp();
+		if (author)
+			embed = embed.setAuthor(
+				author.username,
+				author.displayAvatarURL({ dynamic: true }),
+				`https://discord.com/users/${author.id}`
+			);
+		if (color) embed = embed.setColor(color);
+		return embed;
+	}
 }
diff --git a/src/listeners/commands/CommandErrorListener.ts b/src/listeners/commands/CommandErrorListener.ts
new file mode 100644
index 0000000..37179e7
--- /dev/null
+++ b/src/listeners/commands/CommandErrorListener.ts
@@ -0,0 +1,48 @@
+import { BotCommand } from '../../lib/extensions/BotCommand';
+import { BotListener } from '../../lib/extensions/BotListener';
+import { stripIndents } from 'common-tags';
+import { Message } from 'discord.js';
+import { MessageEmbed } from 'discord.js';
+import { TextChannel } from 'discord.js';
+
+export default class CommandErrorListener extends BotListener {
+	constructor() {
+		super('error', {
+			emitter: 'commandHandler',
+			event: 'error'
+		});
+	}
+	async exec(
+		error: Error,
+		message: Message,
+		command?: BotCommand
+	): Promise<void> {
+		const errorNumber = Math.floor(Math.random() * 6969696969) + 69; // hehe funy numbers
+		const errorDevEmbed = this.client.util
+			.createEmbed(this.client.util.colors.error)
+			.setTitle(`Error # \`${errorNumber}\`: An error occurred`)
+			.setDescription(
+				stripIndents`**User:** ${message.author} (${message.author.tag})
+				**Command:** ${command}
+				**Channel:** ${message.channel} (${message.channel.id})
+				**Message:** [link](${message.url})`
+			)
+			.addField('Error', `${await this.client.util.haste(error.stack)}`);
+		let errorUserEmbed: MessageEmbed;
+		if (command) {
+			errorUserEmbed = this.client.util
+				.createEmbed(this.client.util.colors.error)
+				.setTitle('An error occurred')
+				.setDescription(
+					stripIndents`Whoops! It appears like something broke.
+				The developers have been notified of this. If you contact them, give them code \`${errorNumber}\`.
+				`
+				);
+		}
+		const channel = (await this.client.channels.fetch(
+			this.client.config.channels.log
+		)) as TextChannel;
+		await channel.send(errorDevEmbed);
+		if (errorUserEmbed) await message.reply(errorUserEmbed);
+	}
+}