recoveryviews.py

from django.contrib.gis.geos import Point
from django.contrib.gis.measure import D
from django.contrib.humanize.templatetags.humanize import intcomma
from layar import POI, LayarView
from recovery.models import AwardSite

class RecoveryLayarView(LayarView):
    def get_recoverygov_queryset(self, latitude, longitude, radius,
                                 search_query, slider_value, **kwargs):
        qs = AwardSite.objects.filter(location__distance_lt=(Point(longitude, latitude), 
                                      D(m=radius)))
        if slider_value:
            qs = qs.filter(amount__gte=float(slider_value))
        if search_query:
            qs = qs.filter(name__icontains=search_query)
        return qs

    def poi_from_recoverygov_item(self, item):
        return POI(id=item.id, lat=item.location.y, lon=item.location.x, title=item.name,
                   line2='Amount: $%s' % intcomma(item.amount), line3='Distance: %distance%')

recovery_layar = RecoveryLayarView()