Add last-run leaderboard

commands/util-public/last-run-leaderboard.js

@@ -0,0 +1,69 @@
+const Command = require('../../structures/Command');
+const { stripIndents } = require('common-tags');
+const moment = require('moment');
+
+module.exports = class LastRunLeaderboardCommand extends Command {
+	constructor(client) {
+		super(client, {
+			name: 'last-run-leaderboard',
+			aliases: ['last-run-lb', 'lr-leaderboard', 'lr-lb'],
+			group: 'util-public',
+			memberName: 'last-run-leaderboard',
+			description: 'Responds with the bot\'s most recently run commands.',
+			guarded: true,
+			args: [
+				{
+					key: 'page',
+					prompt: 'What page do you want to view?',
+					type: 'integer',
+					default: 1,
+					min: 1
+				}
+			]
+		});
+	}
+
+	run(msg, { page }) {
+		const commands = this.filterCommands(
+			this.client.registry.commands,
+			this.client.isOwner(msg.author),
+			msg.channel.nsfw
+		);
+		const totalPages = Math.ceil(commands.size / 10);
+		if (page > totalPages) return msg.say(`Page ${page} does not exist (yet).`);
+		return msg.say(stripIndents`
+			__**Command Last Run Leaderboard (Page ${page}/${totalPages}):**__
+			${this.makeLeaderboard(commands, page).join('\n')}
+		`);
+	}
+
+	makeLeaderboard(commands, page) {
+		let i = 0;
+		let previousPts = null;
+		let positionsMoved = 1;
+		return commands
+			.sort((a, b) => a.lastRun ? b.lastRun - a.lastRun : 1)
+			.map(command => {
+				if (previousPts === command.lastRun.toISOString()) {
+					positionsMoved++;
+				} else {
+					i += positionsMoved;
+					positionsMoved = 1;
+				}
+				previousPts = command.lastRun.toISOString();
+				const displayTime = command.lastRun ? moment.utc(command.lastRun).format('MM/DD/YYYY h:mm A') : null;
+				return `**${i}.** ${command.name} (${displayTime || 'Never'})`;
+			})
+			.slice((page - 1) * 10, page * 10);
+	}
+
+	filterCommands(commands, owner, nsfw) {
+		return commands.filter(command => {
+			if (command.lastRun === undefined || command.unknown) return false;
+			if (!owner && command.hidden) return false;
+			if (!owner && command.ownerOnly) return false;
+			if (!owner && command.nsfw && !nsfw) return false;
+			return true;
+		});
+	}
+};