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# Copyright 2017 Huawei Technologies Co.,LTD.
# All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import pecan
from wsme import types as wtypes
from cyborg.api.controllers import base
def build_url(resource, resource_args, bookmark=False, base_url=None):
if base_url is None:
base_url = pecan.request.public_url
template = '%(url)s/%(res)s' if bookmark else '%(url)s/v1/%(res)s'
template += '%(args)s' if resource_args.startswith('?') else '/%(args)s'
return template % {'url': base_url, 'res': resource, 'args': resource_args}
class Link(base.APIBase):
"""A link representation."""
href = wtypes.text
"""The url of a link."""
rel = wtypes.text
"""The name of a link."""
type = wtypes.text
"""Indicates the type of document/link."""
@staticmethod
def make_link(rel_name, url, resource, resource_args,
bookmark=False, type=wtypes.Unset):
href = build_url(resource, resource_args,
bookmark=bookmark, base_url=url)
return Link(href=href, rel=rel_name, type=type)
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