Days Until Command

commands/random/days-until.js

@@ -0,0 +1,33 @@
+const Command = require('../../structures/Command');
+
+module.exports = class DaysUntilCommand extends Command {
+	constructor(client) {
+		super(client, {
+			name: 'days-until',
+			aliases: ['days-until-christmas'],
+			group: 'random',
+			memberName: 'days-until',
+			description: 'Get how many days until a certain date this year.',
+			args: [
+				{
+					key: 'date',
+					prompt: 'What date do you want events for? Month/Day format.',
+					type: 'string',
+					default: ['12', '25'],
+					parse: date => date.split('/')
+				}
+			]
+		});
+	}
+
+	run(msg, { date }) {
+		const month = parseInt(date[0], 10);
+		const day = parseInt(date[1], 10);
+		const now = new Date();
+		let year = now.getMonth() + 1 <= month ? now.getFullYear() : now.getFullYear() + 1;
+		if (month === now.getMonth() + 1 && now.getDate() >= day) ++year;
+		const future = new Date(`${month}/${day}/${year}`);
+		const time = Math.round((future - now) / (1000 * 60 * 60 * 24)) + 1;
+		return msg.say(`There are ${time || 'N/A'} days until ${future.toDateString()}!`);
+	}
+};