def apply_sorting(self, obj_list, options=None):
# TODO: geopy based distance calculations
result = list(super(ModelResource, self).apply_sorting(obj_list, options))
ref_location = Location(latitude=options.get("lat"), longitude=options.get("lng"))
if ref_location.is_geocoded():
distance = (
lambda p: ref_location.distance_from(p.location, fast=True)
if p.location and p.location.is_geocoded()
else float("inf")
)
result.sort(key=distance)
return result