def shortest_route(self, source_id, target_id):
path = nx.shortest_path(self.graph, source_id, target_id)
route_id = str(uuid.uuid4())
route = Route(route_id,
self.graph.node[path[0]]['lat'],
self.graph.node[path[0]]['lon'],
PlacesDAO.get_place_name_by_id(source_id) + " to " + PlacesDAO.get_place_name_by_id(target_id))
for i in range(0, len(path)):
n = self.graph.node[path[i]]
if i+1 == len(path):
# this is the final step in the path, so there is no next edge
route.steps.append(Step(
route_id,
i,
n['lat'],
n['lon'],
None,
None,
n['city_name'] if 'city_name' in n else None,
))
else:
next_road = self.graph.get_edge_data(path[i], path[i+1])
route.steps.append(Step(
route_id,
i,
n['lat'],
n['lon'],
next_road['name'],
next_road['geom'],
n['city_name'] if 'city_name' in n else None
))
return route
def get_places_from_partial_name(name):
print(name)
rl = PlacesDAO.get_city_and_state_from_partial(name)
return Response(json.dumps(rl, indent=4), mimetype='application/json')
