def boundary_layer_detail(request, table_code, obj_id):
geojson = get_layer_shape(table_code, obj_id)
if geojson:
return Response(json.loads(geojson))
else:
return Response(status=status.HTTP_404_NOT_FOUND)
def to_internal_value(self, data):
"""
If the input has an 'area_of_interest' key, return 'area_of_interest'
to its validated, geojson string representation, and 'wkaoi' as None.
If the input has a 'wkaoi' key, its shape is pulled from the
appropriate database, and returned as 'area_of_interest' with the
value of 'wkaoi' returned unchanged. If the input has a 'huc' key, then
we use it to look up the 'wkaoi'.
Args:
data: Only one of the keys is necessary
{
'area_of_interest': { <geojson dict or string> }
'wkaoi': '{table}__{id}',
'huc': '<huc8, huc10, or huc12 id>',
}
"""
wkaoi = data.get('wkaoi', None)
huc = data.get('huc', None)
aoi = data.get('area_of_interest', None)
if (not aoi and not wkaoi and not huc):
raise ValidationError(detail='Must supply exactly one of: ' +
'the area of interest (GeoJSON), ' +
'a WKAoI ID, or a HUC.')
if (huc and not wkaoi):
wkaoi = wkaoi_from_huc(huc)
if (wkaoi and not aoi):
try:
table, id = wkaoi.split('__')
except Exception:
raise ValidationError('wkaoi must be of the form table__id')
aoi = get_layer_shape(table, id)
if (not aoi):
raise ValidationError(detail=f'Invalid wkaoi: {wkaoi}')
huc = aoi['properties'].get('huc')
aoi_field = MultiPolygonGeoJsonField().to_internal_value(aoi)
return {
'area_of_interest': aoi_field,
'wkaoi': wkaoi,
'huc': huc,
}
def to_internal_value(self, data):
"""
If the input has an 'area_of_interest' key, return 'area_of_interest'
to its validated, geojson string representation, and 'wkaoi' as None.
If the input has a 'wkaoi' key, its shape is pulled from the
appropriate database, and returned as 'area_of_interest' with the
value of 'wkaoi' returned unchanged.
Args:
data: Only one of the keys is necessary
{
'area_of_interest': { <geojson dict or string> }
'wkaoi': '{table}__{id}',
}
"""
wkaoi = data.get('wkaoi', None)
aoi = data.get('area_of_interest', None)
if (not aoi and not wkaoi):
raise ValidationError(detail='Must supply either ' +
'the area of interest (GeoJSON), ' +
'or a WKAoI ID.')
if (wkaoi and not aoi):
try:
table, id = wkaoi.split('__')
except:
raise ValidationError('wkaoi must be of the form table__id')
aoi = get_layer_shape(table, id)
if (not aoi):
raise ValidationError(detail='Invalid wkaoi: {}'.format(wkaoi))
aoi_field = MultiPolygonGeoJsonField().to_internal_value(aoi)
return {
'area_of_interest': aoi_field,
'wkaoi': wkaoi
}
