def _get(self, req, project_id, queue_name):
uuid = req.get_header('Client-ID', required=True)
# TODO(kgriffs): Optimize
kwargs = helpers.purge({
'marker': req.get_param('marker'),
'limit': req.get_param_as_int('limit'),
'echo': req.get_param_as_bool('echo'),
})
try:
results = self.message_controller.list(
queue_name,
project=project_id,
client_uuid=uuid,
**kwargs)
# Buffer messages
cursor = next(results)
messages = list(cursor)
except storage_exceptions.DoesNotExist:
raise falcon.HTTPNotFound()
except storage_exceptions.MalformedMarker:
title = _('Invalid query string parameter')
description = _('The value for the query string '
'parameter "marker" could not be '
'parsed. We recommend using the '
'"next" URI from a previous '
'request directly, rather than '
'constructing the URI manually. ')
raise falcon.HTTPBadRequest(title, description)
except Exception as ex:
LOG.exception(ex)
description = _('Messages could not be listed.')
raise wsgi_exceptions.HTTPServiceUnavailable(description)
if not messages:
return None
# Found some messages, so prepare the response
kwargs['marker'] = next(results)
for each_message in messages:
each_message['href'] = req.path + '/' + each_message['id']
del each_message['id']
return {
'messages': messages,
'links': [
{
'rel': 'next',
'href': req.path + falcon.to_query_str(kwargs)
}
]
}
def on_get(self, req, resp, project_id):
# TODO(kgriffs): Optimize
kwargs = helpers.purge({
'marker': req.get_param('marker'),
'limit': req.get_param_as_int('limit'),
'detailed': req.get_param_as_bool('detailed'),
})
try:
results = self.queue_controller.list(project=project_id, **kwargs)
except Exception as ex:
LOG.exception(ex)
description = _('Queues could not be listed.')
raise wsgi_exceptions.HTTPServiceUnavailable(description)
# Buffer list of queues
queues = list(results.next())
# Check for an empty list
if len(queues) == 0:
resp.status = falcon.HTTP_204
return
# Got some. Prepare the response.
kwargs['marker'] = results.next()
for each_queue in queues:
each_queue['href'] = req.path + '/' + each_queue['name']
response_body = {
'queues': queues,
'links': [
{
'rel': 'next',
'href': req.path + falcon.to_query_str(kwargs)
}
]
}
resp.content_location = req.relative_uri
resp.body = helpers.to_json(response_body)
resp.status = falcon.HTTP_200
