From: Michael Orlitzky <michael@orlitzky.com>
Date: Wed, 24 Feb 2010 18:10:44 +0000 (-0500)
Subject: Added a distances() method returning the distances between consumers/producers.
X-Git-Url: http://gitweb.michael.orlitzky.com/?p=dead%2Fcensus-tools.git;a=commitdiff_plain;h=5a436a9d53621f9f30991ee3118f4fd16b3ec8dd

Added a distances() method returning the distances between consumers/producers.
---

diff --git a/www/maps/maps/controllers/directions.py b/www/maps/maps/controllers/directions.py
index 4c765a3..a16bad2 100644
--- a/www/maps/maps/controllers/directions.py
+++ b/www/maps/maps/controllers/directions.py
@@ -86,3 +86,33 @@ class DirectionsController(BaseController):
         response.headers['Content-disposition'] = 'attachment; filename=routes.kml'
         return doc.to_kml()
 
+
+    def directions_result_to_csv(self, result):
+        row = ''
+
+        for trip in result['trips']:
+
+            for route in trip['routes']:
+                route_start = self.get_route_address(route, True)
+                route_end   = self.get_route_address(route, False)
+                row += '"' + route_start + '"'
+                row += ', '
+                row += '"' + route_end   + '"'
+                row += ', '
+                row += str(float(route['distance']['value']) / 1000)
+                row += "\n"
+
+        return row
+
+    
+    def distances(self):
+        directions_array = json.loads(request.POST['data'])
+        csv = ''
+        
+        for result in directions_array:
+            csv += self.directions_result_to_csv(result) + "\n"
+        
+        response.content_type = 'text/csv'
+        response.headers['Content-disposition'] = 'attachment; filename=distances.csv'
+        return csv
+