def save_features(self):
try:
map_id = self.request.matchdict.get("map_id")
map = DBSession.query(Map).get(map_id)
if map is None:
return HTTPNotFound()
if not self.has_permission(self.request.user, map):
return HTTPUnauthorized()
if 'features' not in self.request.params:
return HTTPBadRequest()
features = self.request.params.get('features').\
replace(u'\ufffd', '?')
feature_collection = geojson.\
loads(features, object_hook=geojson.GeoJSON.to_instance)
for feature in feature_collection['features']:
feature_id = feature.properties.get('fid')
if feature_id:
cur_feature = DBSession.query(Feature).get(feature_id)
DBSession.delete(cur_feature)
obj = Feature(feature)
map.features.append(obj)
DBSession.commit()
return {'success': True}
except:
DBSession.rollback()
traceback.print_exc(file=sys.stdout)
return {'success': False}
def delete_all_features(self):
id = self.request.matchdict.get("map_id")
map = DBSession.query(Map).get(id)
if map is None:
return HTTPNotFound()
if not self.has_permission(self.request.user, map):
return HTTPUnauthorized()
# remove the features associated to the map
features = DBSession.query(Feature).filter(
Feature.map_id == map.uuid).all()
for f in features:
DBSession.delete(f)
DBSession.commit()
return {'success': True}
def delete_feature(self):
id = self.request.matchdict.get("feature_id")
feature = DBSession.query(Feature).get(id)
if feature is None:
return HTTPNotFound()
map = DBSession.query(Map).get(feature.map_id)
if map is None:
return HTTPNotFound()
if not self.has_permission(self.request.user, map):
return HTTPUnauthorized()
DBSession.delete(feature)
DBSession.commit()
return {'success': True}
