Prefetch issue/MR title when mentioning them;

index.js

@@ -2,6 +2,7 @@ var irc = require('irc');
 var express = require('express');
 var bodyParser = require('body-parser');
 var request = require('request');
+var cheerio = require('cheerio');
 
 var config = require('./config');
 
@@ -221,12 +222,32 @@ app.listen(config.port, config.hostname, function() {
         var matches = null;
         while ((matches = issueRegexp.exec(message)) !== null) {
             var issueId = matches[1];
-            client.say(chan, "Issue #" + issueId + ": " + config.projectUrl + 'issues/' + issueId);
+            var url = config.projectUrl + 'issues/' + issueId;
+            request(url, function(err, res, body) {
+                if (res && res.statusCode === '200') {
+                    var title = cheerio.load(body)('head title').text();
+                    if (title.length) {
+                        client.say(chan, title);
+                    } else {
+                        client.say(chan, "Issue #" + issueId + ": " + url);
+                    }
+                }
+            });
         }
 
         while ((matches = mergeRequestRegexp.exec(message)) !== null) {
             var mrId = matches[1];
-            client.say(chan, "Merge request !" + mrId + ": " + config.projectUrl + 'merge_requests/' + mrId);
+            var url = config.projectUrl + 'merge_requests/' + mrId;
+            request(url, function(err, res, body) {
+                if (res && res.statusCode === '200') {
+                    var title = cheerio.load(body)('head title').text();
+                    if (title.length) {
+                        client.say(chan, title);
+                    } else {
+                        client.say(chan, "Merge request !" + mrId + ": " + url);
+                    }
+                }
+            });
         }
     });
 });

package.json

@@ -6,9 +6,10 @@
   "author": "Benjamin Bouvier <public@benj.me>",
   "license": "GPLv3",
   "dependencies": {
-    "body-parser": "1.15.2",
+    "body-parser": "1.17.2",
-    "express": "4.14.0",
+    "cheerio": "0.22.0",
-    "irc": "0.3.9",
+    "express": "4.15.3",
-    "request": "2.73.0"
+    "irc": "0.5.2",
+    "request": "2.81.0"
   }
 }