blacklist command

src/commands/Admin/blacklist.js

@@ -0,0 +1,36 @@
+const { Command } = require('klasa');
+const { Guild } = require('discord.js');
+
+module.exports = class extends Command {
+
+	constructor(...args) {
+		super(...args, {
+			permLevel: 10,
+			description: (msg) => msg.language.get('COMMAND_BLACKLIST_DESCRIPTION'),
+			usage: '<User:user|Guild:guild> [...]',
+			usageDelim: ' '
+		});
+	}
+
+	async run(msg, usersAndGuilds) {
+		usersAndGuilds = new Set(usersAndGuilds);
+		const usersAdded = [];
+		const usersRemoved = [];
+		const guildsAdded = [];
+		const guildsRemoved = [];
+
+		for (const userOrGuild of usersAndGuilds) {
+			const type = userOrGuild instanceof Guild ? 'guild' : 'user';
+
+			await this.client.configs.update(`${type}Blacklist`, userOrGuild.id, msg.guild);
+
+			if (type === 'guild' && this.client.guildBlacklist.includes(userOrGuild.id)) guildsAdded.push(userOrGuild.name);
+			else if (type === 'guild') guildsRemoved.push(userOrGuild.name);
+			else if (type === 'user' && this.client.userBlacklist.includes(userOrGuild.id)) usersAdded.push(userOrGuild.username);
+			else usersRemoved.push(userOrGuild.username);
+		}
+
+		return msg.sendMessage(msg.language.get('COMMAND_BLACKLIST_SUCCESS', usersAdded, usersRemoved, guildsAdded, guildsRemoved));
+	}
+
+};

src/languages/en-US.js

@@ -49,6 +49,13 @@ module.exports = class extends Language {
 			INHIBITOR_REQUIRED_CONFIGS: (configs) => `The guild is missing the **${configs.join(', ')}** guild setting${configs.length !== 1 ? 's' : ''} and thus the command cannot run.`,
 			INHIBITOR_RUNIN: (types) => `This command is only available in ${types} channels`,
 			INHIBITOR_RUNIN_NONE: (name) => `The ${name} command is not configured to run in any channel.`,
+			COMMAND_BLACKLIST_DESCRIPTION: 'Blacklists or un-blacklists users and guilds from the bot.',
+			COMMAND_BLACKLIST_SUCCESS: (usersAdded, usersRemoved, guildsAdded, guildsRemoved) => [
+				usersAdded.length ? `**UsersAdded**\n${util.codeBlock('', usersAdded.join(', '))}` : '',
+				usersRemoved.length ? `**UsersRemoved**\n${util.codeBlock('', usersRemoved.join(', '))}` : '',
+				guildsAdded.length ? `**GuildsAdded**\n${util.codeBlock('', guildsAdded.join(', '))}` : '',
+				guildsRemoved.length ? `**GuildsRemoved**\n${util.codeBlock('', guildsRemoved.join(', '))}` : ''
+			].filter(val => val !== '').join('\n'),
 			COMMAND_EVAL_DESCRIPTION: 'Evaluates arbitrary Javascript. Reserved for bot owner.',
 			COMMAND_EVAL_EXTENDEDHELP: [
 				'The eval command evaluates code as-in, any error thrown from it will be handled.',