add page title crawler

index.js

@@ -9,6 +9,7 @@ server.listen(process.env.PORT || 5000)
 
 /** Add your bot logic here. Removing the imported examples. */
 // require('./src/examples')
+require('./src/url_metadata')
 require('./src/reactions')
 
 bot.start() // 🚀

src/url_metadata.js

@@ -0,0 +1,18 @@
+
+const bot = require('bbot');
+const request = require('request');
+
+bot.global.text(/(https?:\/\/.*)[, $]?/i, (b) => {
+  request(b.match[1], (err, res, body) => {
+    if (!err) {
+      var re = /<title>([^<]*)<\/title>/gi;
+      var match = re.exec(body);
+      bot.logger.info(match[1]);
+      if (match && match[1]) {
+        b.respond(":link: _" + match[1] + "_");
+      }
+    }
+  });
+}, {
+  id: 'get-url-metadata'
+});