From 93ce36055197721918b18447e9301f2a187297ea Mon Sep 17 00:00:00 2001
From: Kegan Myers <kegan@keganmyers.com>
Date: Sat, 9 Aug 2014 01:40:38 -0500
Subject: [PATCH] Change how listening port is defined

---
 README.md           |  8 +++++++-
 app.js              | 17 +++++++++++++----
 config.json.example |  3 ++-
 package.json        |  3 ++-
 4 files changed, 24 insertions(+), 7 deletions(-)

diff --git a/README.md b/README.md
index 534cfeb..f305202 100644
--- a/README.md
+++ b/README.md
@@ -1,11 +1,17 @@
 slack-command-server
 ====================
 Slack command server is a simple way to build a server that responds to slack slash commands.
-
+Getting Started
+===============
+1. Clone this repository
+2. Configure according to the `Configuration` section
+3.
 Configuration
 =============
 Configuring the server is simple, you can use any plugin compatible with [slack-command-router](https://github.com/terribly-lazy/slack-command-router), custom or otherwise.
 
+You must define what port for the app to listen on by defining `port: 80`
+
 To use pre-written plugins write your configuration thusly:
 ```json
 {
diff --git a/app.js b/app.js
index bcd6f79..5dfad2b 100644
--- a/app.js
+++ b/app.js
@@ -1,10 +1,19 @@
 var connect = require('connect'),
     SlackIncoming = require('slack-command-router'),
     path = require('path'),
-    fs = require('fs');
+    fs = require('fs'),
+    _ = require('lodash');
 
-var config = JSON.parse(fs.readFileSync("config.json")),
-    slack = new SlackIncoming();
+var config = JSON.parse(fs.readFileSync("config.json"));
+
+var requiredSetup = ["port"];
+if (_.intersection(_.keys(config), requiredSetup).length !== requiredSetup.length) {
+    throw {
+        message: "Missing required configuration parameters"
+    }
+}
+
+var slack = new SlackIncoming();
 
 var pluginsToInstall = config.plugins || [],
     pluginsToLoad = config["local-plugins"] || [];
@@ -56,7 +65,7 @@ function startApp() {
         res.writeHead(400);
         res.end("Unable to handle request");
     });
-    app.listen(2354);
+    app.listen(config.port);
 }
 
 installPlugins(initCallback(function() {
diff --git a/config.json.example b/config.json.example
index ccf3125..b8088d9 100644
--- a/config.json.example
+++ b/config.json.example
@@ -2,5 +2,6 @@
     "plugins": [
         "slack-roll-command"
     ],
-    "local-plugins": []
+    "local-plugins": [],
+    "port": 80
 }
\ No newline at end of file
diff --git a/package.json b/package.json
index 845bc3f..de06607 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "slack-command-server",
-  "version": "0.0.0",
+  "version": "0.0.1",
   "description": "A slack slash command hander framework",
   "main": "app.js",
   "scripts": {
@@ -20,6 +20,7 @@
   "license": "BSD-2-Clause",
   "dependencies": {
     "connect": "~3.1.0",
+    "lodash": "^2.4.1",
     "npm": "^1.4.23",
     "require-directory": "~2.0.0",
     "slack-command-router": "0.0.0"