From 8f8636c50972c2826010e7f6242a0ceb9686d8c8 Mon Sep 17 00:00:00 2001
From: thoso <thieson08@live.de>
Date: Thu, 20 Feb 2014 00:52:42 +0100
Subject: [PATCH] Added Wolfram Alpha module

---
 modules/wolframalpha/README.md       | 25 +++++++++++++++
 modules/wolframalpha/strings.json    |  8 +++++
 modules/wolframalpha/usage.json      |  3 ++
 modules/wolframalpha/wolframalpha.js | 48 ++++++++++++++++++++++++++++
 4 files changed, 84 insertions(+)
 create mode 100644 modules/wolframalpha/README.md
 create mode 100644 modules/wolframalpha/strings.json
 create mode 100644 modules/wolframalpha/usage.json
 create mode 100644 modules/wolframalpha/wolframalpha.js

diff --git a/modules/wolframalpha/README.md b/modules/wolframalpha/README.md
new file mode 100644
index 0000000..f2acdd9
--- /dev/null
+++ b/modules/wolframalpha/README.md
@@ -0,0 +1,25 @@
+## Wolfram Alpha Calculator
+
+Calculates whatever you want.
+
+### Description
+
+This module provides a command which allows users to calculate whatever they want.
+
+It has following dependencies:
+node-wolfram : https://github.com/strax/node-wolfram
+
+### appID
+
+appID has to be added into config.json. It can be obtained at
+http://products.wolframalpha.com/developers/ for free.
+
+### Commands
+
+#### ~calculate [(whatever)]
+
+Example:
+~calculate (2+2)
+~calculate (x^2+2x+4)
+
+### TODO
\ No newline at end of file
diff --git a/modules/wolframalpha/strings.json b/modules/wolframalpha/strings.json
new file mode 100644
index 0000000..2f1ab84
--- /dev/null
+++ b/modules/wolframalpha/strings.json
@@ -0,0 +1,8 @@
+{
+    "result": {
+        "en": "{output}"
+    },
+    "error": {
+        "en": "Something went wrong :( Example:'~calculate (2+2)'"
+    }
+}
diff --git a/modules/wolframalpha/usage.json b/modules/wolframalpha/usage.json
new file mode 100644
index 0000000..b50d0fb
--- /dev/null
+++ b/modules/wolframalpha/usage.json
@@ -0,0 +1,3 @@
+{
+    "~calculate": "~calculate [(whatever)]"
+}
\ No newline at end of file
diff --git a/modules/wolframalpha/wolframalpha.js b/modules/wolframalpha/wolframalpha.js
new file mode 100644
index 0000000..ef8674e
--- /dev/null
+++ b/modules/wolframalpha/wolframalpha.js
@@ -0,0 +1,48 @@
+/**
+ * Module Name: wolframalpha
+ * Description: Calculates all kinds of stuff through Wolfram Alpha.
+ * Requires: node-wolfram [https://github.com/strax/node-wolfram]
+ */
+
+var _ = require('underscore')._,
+	Client = require('node-wolfram');
+
+var wolframalpha = function(dbot) {
+    	this.commands = {
+        	'~calculate': function(event) {
+        		var wolfram = new Client(this.config.appID);
+                var query = event.input[1];
+                wolfram.query(event.input[1], function(err, result) {
+					if(err)
+						event.reply(dbot.t('error'));
+					else
+					{
+						var out = "";
+						for(var a=0; a<result.queryresult.pod.length; a++)
+						{
+							var pod = result.queryresult.pod[a];
+							out += pod.$.title;
+							out +=": ";
+								for(var b=0; b<pod.subpod.length; b++)
+								{
+									var subpod = pod.subpod[b];
+									for(var c=0; c<subpod.plaintext.length; c++)
+									{
+										var text = subpod.plaintext[c];
+										console.log('\t', text);
+										out += text;
+										out += " ; ";
+									}
+								}
+						}
+						event.reply(dbot.t('result',{'output':out}));
+					}
+				});
+			}
+		};
+
+};
+
+exports.fetch = function(dbot) {
+    return new wolframalpha(dbot);
+};