Improvements for IRC message for new commits and other cleanup

- Only print out first 50 characters of first line of commit
- Don't print out "Github event" message for unknown message types
- Shorten GitHub commit url to only include first 7 characters of git hash
- Some code style cleanup

server.js

@@ -14,60 +14,58 @@ client.addListener('registered', () => {
   }
 });
 
-let messages = []
-function handle_issue(body) {
-  // Format:
-  // Gazelle - itismadness opened issue #59 - Test Issue... | https://github.com/OPSnet/Gazelle/issues/59
+function handle_issue(body, messages) {
   let message = `${body.repository.name} - ${body.sender.login} ${body.action} issue #${body.issue.number}`;
   message += ` - ${body.issue.title} | ${body.issue.html_url}`;
-  
+
   // TODO: handle comments
 
   messages.push(message);
 }
 
-function handle_commits(body) {
+function handle_commits(body, messages) {
   let ref = body.ref.split('/');
-  let branch = ref[ref.length-1];
+  let branch = ref[ref.length - 1];
   if (branch !== body.repository.master_branch) {
     return;
   }
   for (let commit of body.commits) {
     let id = commit.id.substr(0, 7);
     let message = `${body.repository.name} - ${commit.author.name} just pushed commit ${id} to ${branch}`;
-    message += ` - ${commit.message} | ${commit.url}`;
+    message += ` - ${commit.message.split(/\r?\n/)[0].substr(0, 50).trim()} | ${commit.url.replace(commit.id, id)}`;
     messages.push(message);
   }
 }
 
-fastify.get('/', async (req, reply) => {
-  return { hello: 'world' }
+fastify.get('/', async () => {
+  return { hello: 'world' };
 });
 
-fastify.post('/', async (req, reply) => {
+fastify.post('/', async (req) => {
   let body = req.body;
-  
+
   let event = req.headers['x-github-event'];
-  messages = [];
+  let messages = [];
   if (event === 'issues') {
-    handle_issue(body);
+    handle_issue(body, messages);
   }
   else if (event === 'push') {
-    handle_commits(body);
+    handle_commits(body, messages);
   }
   else {
-    console.log(JSON.stringify(body, null, 2));
-    console.log(req.headers);
-    let message = `New Github Event ${event} by ${body.sender.login}`;
-    messages.push(message);
+    // View these events within GitHub to see headers and body
+    // console.log(JSON.stringify(body, null, 2));
+    // console.log(req.headers);
+    // let message = `New Github Event ${event} by ${body.sender.login}`;
+    // messages.push(message);
   }
 
-  for (channel of settings.channels) {
+  for (let channel of settings.channels) {
     for (let message of messages) {
       client.say(channel, message);
     }
   }
-  messages = [];
+
   return { message: 'posted' };
 });
 
@@ -81,4 +79,4 @@ const start = async () => {
   });
 };
 
-start();
+start();