Routing: prevent incoherent transport and speed

1 files changed, 13 insertions, 0 deletions

diff --git a/chimere/views.py b/chimere/views.py
index 9b25458..a417fad 100644
--- a/chimere/views.py
+++ b/chimere/views.py
@@ -760,6 +760,19 @@ def route(request, area_name, lon1, lat1, lonlat_steps, lon2, lat2,
         steps = [(steps[i*2], steps[i*2+1]) for i in range(len(steps)/2)]
     except ValueError:
         return HttpResponse('no results')
+
+    # prevent incoherent transport and speed
+    if transport not in dict(settings.CHIMERE_ROUTING_TRANSPORT):
+        transport = settings.CHIMERE_ROUTING_TRANSPORT[0][0]
+    if speed:
+        speed = unicode(speed)
+        available_speed = [unicode(sp)
+                      for sp, lbl in settings.CHIMERE_ROUTING_SPEEDS[transport]]
+        if speed not in available_speed:
+            speed = None
+    if not speed:
+        speed = settings.CHIMERE_ROUTING_SPEEDS[transport][0][0]
+
     jsons, desc, total = router.route(lon1, lat1, lon2, lat2, steps=steps,
                                       transport=transport, speed=speed)
     if not jsons: