38 lines
1.2 KiB
Python
38 lines
1.2 KiB
Python
# coding: utf-8
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from tastypie.resources import ModelResource
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from avisstage.models import Lieu
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from django.contrib.gis import geos
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class LieuResource(ModelResource):
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class Meta:
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queryset = Lieu.objects.all()
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resource_name = "lieu"
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def build_filters(self, filters=None):
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if filters is None:
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filters = {}
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orm_filters = super(LieuResource, self).build_filters()
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if "lng" in filters and "lat" in filters:
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lat = float(filters['lat'])
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lng = float(filters['lng'])
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pt = geos.Point((lng,lat), srid=4326)
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self.reference_point = pt
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orm_filters['coord__distance_lte'] = (pt, 50)
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print orm_filters
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return orm_filters
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def dehydrate(self, bundle):
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bundle = super(LieuResource, self).dehydrate(bundle)
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obj = bundle.obj
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bundle.data['coord'] = {'lat': float(obj.coord.y),
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'lng': float(obj.coord.x)}
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if "lat" in bundle.request.GET and "lng" in bundle.request.GET:
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bundle.data['distance'] = self.reference_point.distance(bundle.obj.coord)
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return bundle
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