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# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you 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.
# App composites collection implementation
from util import *
from atomutil import *
from sys import debug
# Convert an id to a composite id
def compid(id):
return ("apps", car(id), "app.composite")
# Put a composite into the composite db
def put(id, comp, user, cache, apps):
debug('composites.py::put::id', id)
debug('composites.py::put::comp', comp)
# Get the requested app
app = apps.get(id)
if isNull(app):
debug('composites.py::put', 'app not found', id)
return False
# Check app author
if author(app) != user.get(()):
debug('composites.py::put', 'different author', author(app))
return False
# Update the composite in the composite db
compentry = mkentry(title(app), car(id), user.get(()), now(), content(comp))
debug('composites.py::put::compentry', compentry)
return cache.put(compid(id), compentry)
# Get a composite from the composite db
def get(id, user, cache, apps):
debug('composites.py::get::id', id)
if isNull(id):
return (("'feed", ("'title", "Composites"), ("'id", "composites")),)
# Get the requested app
app = apps.get(id)
if isNull(app):
debug('composites.py::get', 'app not found', id)
# Return a default new composite
return mkentry(car(id), car(id), user.get(()), now(), ())
# Get the requested composite
comp = cache.get(compid(id))
if isNull(comp):
debug('composites.py::get', 'composite not found', id)
# Return a default new composite
return mkentry(title(app), car(id), author(app), now(), ())
# Return the composite
compentry = mkentry(title(app), car(id), author(app), updated(comp), content(comp))
debug('composites.py::get::compentry', compentry)
return compentry
# Delete a composite from the composite db
def delete(id, user, cache, apps):
debug('composites.py::delete::id', id)
# Get the requested app
app = apps.get(id)
if isNull(app):
debug('composites.py::delete', 'app not found', id)
return False
# Check app author
if author(app) != user.get(()):
debug('composites.py::delete', 'different author', author(app))
return False
# Delete the composite
return cache.delete(compid(id))
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