aggiunto modulo wolfram

package.json

@@ -27,7 +27,8 @@
     "nightmare": "^1.8.0",
     "nodepie": "^0.6.7",
     "soupselect": "^0.2.0",
-    "weak": "^0.4.0"
+    "weak": "^0.4.0",
+    "wolfram": "^0.3.1"
   },
   "scripts": {
     "test": "mocha test/ --compilers coffee:coffee-script/register"

scripts/wolfram.coffee

@@ -0,0 +1,27 @@
+# Description:
+#   accede a wolfram alpha
+#
+# Dependencies:
+#   "wolfram":"0.3.1"
+#
+# Author:
+#   Enrico Fasoli (fazo96)
+#
+
+
+module.exports = (robot) ->
+  if not process.env.WOLFRAM_API_KEY?
+    console.log 'NO WOLFRAM_API_KEY SET!'
+    return # no api key, no wolfy
+  wolfram = require('wolfram').createClient process.env.WOLFRAM_API_KEY
+  robot.respond /(?:quanto fa|compute|wfa|wolfram) (.+)/i, (res) ->
+    res.send 'contattando Wolfram Alpha...'
+    wolfram.query res.match[1], (err, result) ->
+      if err then return res.send err
+      #res.send JSON.stringify result
+      parseSubPod = (subpod) -> subpod.value
+      parsePod = (pod) ->
+        '\n=== ' + pod.title + '\n' + pod.subpods.map(parseSubPod).join('\n')
+      res.send (parsePod(pod) for pod in result).join('')
+    
+