def view(id):
obj = cls.by_id(id)
if obj is None:
return NotFound(id)
# check this before lazy-loading during serialization
for v in ['updated_at', 'created_at']:
if hasattr(obj, v):
request.cache_key['modified'] = getattr(obj, v)
validate_cache(request)
return jsonify(obj)
def configure_caching(response_class):
if not app.config.get('CACHE'):
return response_class
if request.method in ['GET', 'HEAD', 'OPTIONS'] \
and response_class.status_code < 400:
try:
etag, mod_time = validate_cache(request)
response_class.add_etag(etag)
response_class.cache_control.max_age = 84600 * 1
response_class.cache_control.public = True
if mod_time:
response_class.last_modified = mod_time
except NotModified:
return Response(status=304)
return response_class
