add directions

scripts/directions.coffee

@@ -0,0 +1,37 @@
+# Get directions between two locations
+#
+# hubot get directions "<origin>" "<destination>" -- Shows directions between these locations.
+
+parse_directions = (body) ->
+  directions = JSON.parse body
+  first_route = directions.routes[0]
+
+  if not first_route
+    return "Sorry, boss. Couldn't find directions"
+
+  final_directions = []
+
+  for leg in first_route.legs
+    do (leg) ->
+      final_directions.push "From: " + leg.start_address
+      final_directions.push "To:   " + leg.end_address
+
+      for step in leg.steps
+        do (step) ->
+          instructions = step.html_instructions.replace /<[^>]+>/g, ''
+          final_directions.push instructions + " (#{step.distance.text})"
+
+   return final_directions.join("\n")
+
+module.exports = (robot) ->
+  robot.respond /(get )?directions "((?:[^\\"]+|\\.)*)" "((?:[^\\"]+|\\.)*)"$/i, (msg) ->
+    [origin, destination] = msg.match[2..3]
+
+    msg
+        .http("http://maps.googleapis.com/maps/api/directions/json")
+        .query
+            origin: origin,
+            destination: destination,
+            sensor: false
+        .get() (err, res, body) ->
+            msg.send parse_directions body