1a15292cf2
* To build the query strings; * to build content_location; * and to ensure the type of the HTTP parameters. Implements: blueprint transport-wsgi Change-Id: Ibc06d68e43313e842854f08a8bff010624e7516c
118 lines
3.7 KiB
Python
118 lines
3.7 KiB
Python
# Copyright (c) 2013 Rackspace, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import falcon
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from marconi.storage import exceptions
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from marconi.transport import helpers
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class CollectionResource(object):
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__slots__ = ('claim_ctrl')
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def __init__(self, claim_controller):
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self.claim_ctrl = claim_controller
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def on_post(self, req, resp, tenant_id, queue_name):
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if req.content_length is None or req.content_length == 0:
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raise falcon.HTTPBadRequest(_('Bad request'),
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_('Missing claim metadata.'))
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#TODO(zyuan): where do we define the limits?
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kwargs = {
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'limit': req.get_param_as_int('limit'),
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}
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kwargs = dict([(k, v) for k, v in kwargs.items() if v is not None])
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try:
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metadata = _filtered(helpers.read_json(req.stream))
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cid, msgs = self.claim_ctrl.create(
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queue_name,
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metadata=metadata,
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tenant=tenant_id,
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**kwargs)
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resp.location = req.path + '/' + cid
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resp.body = helpers.to_json(list(msgs))
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resp.status = falcon.HTTP_200
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except helpers.MalformedJSON:
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raise falcon.HTTPBadRequest(_('Bad request'),
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_('Malformed claim metadata.'))
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except exceptions.DoesNotExist:
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raise falcon.HTTPNotFound
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class ItemResource(object):
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__slots__ = ('claim_ctrl')
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def __init__(self, claim_controller):
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self.claim_ctrl = claim_controller
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def on_get(self, req, resp, tenant_id, queue_name, claim_id):
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try:
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meta, msgs = self.claim_ctrl.get(
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queue_name,
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claim_id=claim_id,
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tenant=tenant_id)
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meta['messages'] = list(msgs)
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resp.content_location = req.relative_uri
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resp.body = helpers.to_json(meta)
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resp.status = falcon.HTTP_200
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except exceptions.DoesNotExist:
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raise falcon.HTTPNotFound
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def on_patch(self, req, resp, tenant_id, queue_name, claim_id):
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if req.content_length is None or req.content_length == 0:
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raise falcon.HTTPBadRequest(_('Bad request'),
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_('Missing claim metadata.'))
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try:
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metadata = _filtered(helpers.read_json(req.stream))
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self.claim_ctrl.update(queue_name,
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claim_id=claim_id,
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metadata=metadata,
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tenant=tenant_id)
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resp.status = falcon.HTTP_204
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except helpers.MalformedJSON:
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raise falcon.HTTPBadRequest(_('Bad request'),
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_('Malformed claim metadata.'))
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except exceptions.DoesNotExist:
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raise falcon.HTTPNotFound
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def on_delete(self, req, resp, tenant_id, queue_name, claim_id):
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self.claim_ctrl.delete(queue_name,
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claim_id=claim_id,
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tenant=tenant_id)
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resp.status = falcon.HTTP_204
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def _filtered(obj):
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try:
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#TODO(zyuan): verify the TTL
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return {'ttl': obj['ttl']}
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except Exception:
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raise helpers.MalformedJSON
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