def update_kml(self, request, response):
change = KML.Change()
create = KML.Create()
delete = KML.Delete()
doc = KML.Document(targetId=KmlPlacemark.DOC_ID)
for id_, kpm in self.placemarks.items():
if kpm.is_new:
style_url = KmlStyleUtils.get_style_url_for_callsign(kpm.callsign)
model_url = None # KmlStyleUtils.get_model_url_for_callsign(kpm.callsign, request.host_url)
placemark = kpm.get_placemark(style_url, model_url)
doc.append(placemark)
kpm.is_new = False
else:
kpm.generate_update(change = change, create = create, delete = delete)
if doc.countchildren() > 0:
create.append(doc)
update = KML.Update(KML.targetHref(request.path_url))
if change.countchildren() > 0:
update.append(change)
if create.countchildren() > 0:
update.append(create)
if delete.countchildren() > 0:
update.append(delete)
network_link_control = KML.NetworkLinkControl(update)
return KML.kml(network_link_control)
