64 lines
1.8 KiB
Python
64 lines
1.8 KiB
Python
# Copyright (c) 2015 Mirantis, Inc.
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# 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, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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"""Base for controllers with validation."""
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import json
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import pecan
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from pecan import rest
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class BaseRestControllerWithValidation(rest.RestController):
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"""Rest controller with validation.
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Controller provides validation for POSTed data
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exposed endpoints:
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POST base_url/
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GET base_url/<item uid>
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GET base_url/schema
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"""
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__validator__ = None
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_custom_actions = {
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"schema": ["GET"],
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}
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def __init__(self): # pragma: no cover
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"""Init."""
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if self.__validator__:
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self.validator = self.__validator__()
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else:
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raise ValueError("__validator__ is not defined")
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def store_item(self, item_in_json): # pragma: no cover
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"""Handler for storing item. Should return new item id."""
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raise NotImplementedError
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@pecan.expose('json')
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def schema(self):
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"""Return validation schema."""
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return self.validator.schema
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@pecan.expose('json')
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def post(self, ):
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"""POST handler."""
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self.validator.validate(pecan.request)
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item = json.loads(pecan.request.body.decode('utf-8'))
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item_id = self.store_item(item)
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pecan.response.status = 201
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return item_id
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