def get(self, request, **kwargs):
if 'geo_field' not in kwargs:
# If it's not a geo request, let ModelDetailView handle it.
return super(ModelGeoDetailView, self).get(request, **kwargs)
field = kwargs.pop('geo_field')
if field not in self.allowed_geo_fields:
raise Http404
try:
obj = self.get_object(request,
self.base_qs.only(field, self.name_field),
**kwargs)
except ObjectDoesNotExist:
raise Http404
geom = getattr(obj, field)
name = getattr(obj, self.name_field)
format = request.GET.get('format', 'json')
if format in ('json', 'apibrowser'):
return RawJSONResponse(geom.geojson)
elif format == 'wkt':
return HttpResponse(geom.wkt, content_type="text/plain")
elif format == 'kml':
resp = HttpResponse(
kml.generate_kml_document([kml.generate_placemark(name,
geom)]),
content_type="application/vnd.google-earth.kml+xml")
resp['Content-Disposition'] = 'attachment; filename="shape.kml"'
return resp
else:
raise NotImplementedError
def get(self, request, **kwargs):
if 'geo_field' not in kwargs:
# If it's not a geo request, let ModelDetailView handle it.
return super(ModelGeoDetailView, self).get(request, **kwargs)
field = kwargs.pop('geo_field')
if field not in self.allowed_geo_fields:
raise Http404
try:
obj = self.get_object(request, self.base_qs.only(field, self.name_field), **kwargs)
except ObjectDoesNotExist:
raise Http404
geom = getattr(obj, field)
name = getattr(obj, self.name_field)
format = request.GET.get('format', 'json')
if format in ('json', 'apibrowser'):
return RawJSONResponse(geom.geojson)
elif format == 'wkt':
return HttpResponse(geom.wkt, content_type="text/plain")
elif format == 'kml':
resp = HttpResponse(
kml.generate_kml_document([kml.generate_placemark(name, geom)]),
content_type="application/vnd.google-earth.kml+xml")
resp['Content-Disposition'] = 'attachment; filename="shape.kml"'
return resp
else:
raise NotImplementedError
def get(self, request, **kwargs):
if 'geo_field' not in kwargs:
# If it's not a geo request, let ModelListView handle it.
return super(ModelGeoListView, self).get(request, **kwargs)
field = kwargs.pop('geo_field')
if field not in self.allowed_geo_fields:
raise Http404
qs = self.get_qs(request, **kwargs)
try:
qs = self.filter(request, qs)
except ValueError:
raise BadRequest(_("Invalid filter value"))
if qs.count() > app_settings.MAX_GEO_LIST_RESULTS:
return HttpResponseForbidden(
_("Spatial-list queries cannot return more than %(expected)d resources; this query would return %(actual)s. Please filter your query."
) % {
'expected': app_settings.MAX_GEO_LIST_RESULTS,
'actual': qs.count()
})
format = request.GET.get('format', 'json')
if format in ('json', 'apibrowser'):
strings = ['{"objects": [']
strings.append(','.join(
('{"name": "%s", "%s": %s}' %
(escapejs(x[1]), field, x[0].geojson)
for x in qs.values_list(field, self.name_field))))
strings.append(']}')
return RawJSONResponse(''.join(strings))
elif format == 'wkt':
return HttpResponse("\n".join(
(geom.wkt for geom in qs.values_list(field, flat=True))),
content_type="text/plain")
elif format == 'kml':
placemarks = [
kml.generate_placemark(x[1], x[0])
for x in qs.values_list(field, self.name_field)
]
resp = HttpResponse(
kml.generate_kml_document(placemarks),
content_type="application/vnd.google-earth.kml+xml")
resp['Content-Disposition'] = 'attachment; filename="shape.kml"'
return resp
else:
raise NotImplementedError
def get(self, request, **kwargs):
if 'geo_field' not in kwargs:
# If it's not a geo request, let ModelListView handle it.
return super(ModelGeoListView, self).get(request, **kwargs)
field = kwargs.pop('geo_field')
if field not in self.allowed_geo_fields:
raise Http404
qs = self.get_qs(request, **kwargs)
try:
qs = self.filter(request, qs)
except ValueError:
raise BadRequest(_("Invalid filter value"))
if qs.count() > app_settings.MAX_GEO_LIST_RESULTS:
return HttpResponseForbidden(
_("Spatial-list queries cannot return more than %(expected)d resources; this query would return %(actual)s. Please filter your query.")
% {'expected': app_settings.MAX_GEO_LIST_RESULTS, 'actual': qs.count()})
format = request.GET.get('format', 'json')
if format in ('json', 'apibrowser'):
strings = ['{"objects": [']
strings.append(','.join(('{"name": "%s", "%s": %s}' % (escapejs(x[1]), field, x[0].geojson)
for x in qs.values_list(field, self.name_field))))
strings.append(']}')
return RawJSONResponse(''.join(strings))
elif format == 'wkt':
return HttpResponse("\n".join((geom.wkt for geom in qs.values_list(field, flat=True))), content_type="text/plain")
elif format == 'kml':
placemarks = [kml.generate_placemark(x[1], x[0]) for x in qs.values_list(field, self.name_field)]
resp = HttpResponse(
kml.generate_kml_document(placemarks),
content_type="application/vnd.google-earth.kml+xml")
resp['Content-Disposition'] = 'attachment; filename="shape.kml"'
return resp
else:
raise NotImplementedError
