Mayo Clinic Command

commands/search/mayo-clinic.js

@@ -0,0 +1,62 @@
+const Command = require('../../structures/Command');
+const request = require('node-superfetch');
+const cheerio = require('cheerio');
+const { MessageEmbed } = require('discord.js');
+const { shorten } = require('../../util/Util');
+
+module.exports = class MayoClinicCommand extends Command {
+	constructor(client) {
+		super(client, {
+			name: 'mayo-clinic',
+			aliases: ['disease', 'diagnose', 'diagnosis'],
+			group: 'search',
+			memberName: 'mayo-clinic',
+			description: 'Searches Mayo Clinic for your query.',
+			clientPermissions: ['EMBED_LINKS'],
+			args: [
+				{
+					key: 'query',
+					prompt: 'What disease would you like to search for?',
+					type: 'string'
+				}
+			]
+		});
+	}
+
+	async run(msg, { query }) {
+		try {
+			const location = await this.search(query);
+			if (!location) return msg.say('Could not find any results.');
+			const data = await this.fetchDisease(location);
+			const embed = new MessageEmbed()
+				.setColor(0x0044B3)
+				.setAuthor('Mayo Clinic', 'https://i.imgur.com/9zdulOS.jpg', 'https://www.mayoclinic.org/')
+				.setTitle(data.name)
+				.setDescription(shorten(data.description || 'No description available.'))
+				.setURL(data.url);
+			return msg.embed(embed);
+		} catch (err) {
+			return msg.reply(`Oh no, an error occurred: \`${err.message}\`. Try again later!`);
+		}
+	}
+
+	async search(query) {
+		const { text } = await request
+			.get('https://www.mayoclinic.org/search/search-results')
+			.query({ q: query });
+		const $ = cheerio.load(text);
+		const location = $('ol.navlist').find('li.noimg').first().children().find('a').attr('href');
+		if (!location) return null;
+		return location;
+	}
+
+	async fetchDisease(location) {
+		const { text } = await request.get(location);
+		const $ = cheerio.load(text);
+		return {
+			name: $('h1').first().text().trim(),
+			url: location,
+			description: $('h2').first().next().text()
+		};
+	}
+};