xiao/commands/random-res/fact.js

const Command = require('../../framework/Command');
const request = require('node-superfetch');

module.exports = class FactCommand extends Command {
	constructor(client) {
		super(client, {
			name: 'fact',
			group: 'random-res',
			memberName: 'fact',
			description: 'Responds with a random fact.',
			credit: [
				{
					name: 'Wikipedia',
					url: 'https://www.wikipedia.org/',
					reason: 'API',
					reasonURL: 'https://en.wikipedia.org/w/api.php'
				}
			]
		});
	}

	async run(msg) {
		const article = await this.randomWikipediaArticle();
		const { body } = await request
			.get('https://en.wikipedia.org/w/api.php')
			.query({
				action: 'query',
				prop: 'extracts',
				format: 'json',
				titles: article,
				exintro: '',
				explaintext: '',
				redirects: '',
				formatversion: 2
			});
		let fact = body.query.pages[0].extract;
		if (fact.length > 200) {
			const facts = fact.split('.');
			fact = `${facts[0]}.`;
			if (fact.length < 200 && facts.length > 1) fact += `${facts[1]}.`;
		}
		return msg.say(fact);
	}

	async randomWikipediaArticle() {
		const { body } = await request
			.get('https://en.wikipedia.org/w/api.php')
			.query({
				action: 'query',
				list: 'random',
				rnnamespace: 0,
				rnlimit: 1,
				format: 'json',
				formatversion: 2
			});
		if (!body.query.random[0].title) return 'Facts are hard to find sometimes.';
		return body.query.random[0].title;
	}
};