Add webcast link + youtube video id update script

package.json

@@ -15,7 +15,8 @@
     "launchpad": "node scripts/launchpad.js",
     "landpad": "node scripts/landpad.js",
     "cores": "node scripts/cores.js",
-    "capsules": "node scripts/capsules.js"
+    "capsules": "node scripts/capsules.js",
+    "webcast": "node scripts/webcast.js"
   },
   "repository": {
     "type": "git",

scripts/webcast.js

@@ -0,0 +1,59 @@
+#!/usr/bin/env node
+
+/**
+ * This script updates the youtube link and youtube video id for the next upcoming launch
+ */
+
+const MongoClient = require('mongodb');
+const cheerio = require('cheerio');
+const request = require('request-promise-native');
+const fuzz = require('fuzzball');
+
+(async () => {
+  let client;
+  try {
+    client = await MongoClient.connect(process.env.MONGO_URL, { useNewUrlParser: true });
+  } catch (err) {
+    console.log(err.stack);
+    process.exit(1);
+  }
+
+  const launch = client.db('spacex-api').collection('launch');
+
+  const data = await launch.find({ upcoming: true }).sort({ flight_number: 1 }).limit(1).toArray();
+  const { flight_number } = data[0];
+  const { mission_name } = data[0];
+
+  const result = await request('https://www.spacex.com/webcast');
+  const $ = cheerio.load(result);
+
+  const embedSource = $('.left_column > font:nth-child(1) > iframe:nth-child(4)').attr('src');
+  const embedName = $('#page-title').text();
+
+  const youtube_url = embedSource.replace(/https:\/\/www\.youtube\.com\/embed/i, 'https://youtu.be');
+  const youtube_id = youtube_url.replace(/https:\/\/youtu\.be\//i, '');
+
+  const update = {
+    'links.video_link': youtube_url,
+    'links.youtube_id': youtube_id,
+  };
+
+  const ratio = fuzz.ratio(embedName.replace(/mission/i, ''), mission_name.replace(/mission/i, ''));
+
+  console.log(embedName);
+  console.log(mission_name);
+  console.log(update);
+  console.log(ratio);
+
+  // Might need to play with this ratio, but 50% match should be good enough to reasonably assume it's
+  // the correct mission. Worst case, if it doesn't pick it up correctly, the data would be entered regardless,
+  // this script is purely for convenience
+  if (ratio >= 50) {
+    console.log('Match');
+    await launch.updateOne({ upcoming: true, flight_number }, { $set: { update } });
+  }
+
+  if (client) {
+    client.close();
+  }
+})();