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Diffstat (limited to '')
-rw-r--r-- | sca-cpp/branches/lightweight-sca/hosting/server/composites.py | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/sca-cpp/branches/lightweight-sca/hosting/server/composites.py b/sca-cpp/branches/lightweight-sca/hosting/server/composites.py new file mode 100644 index 0000000000..970bc98a5c --- /dev/null +++ b/sca-cpp/branches/lightweight-sca/hosting/server/composites.py @@ -0,0 +1,97 @@ +# 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 time import strftime +from util 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 isNil(app) or app is None: + debug('composites.py::put', 'app not found', id) + return False + + # Check app author + author = cadr(assoc("'author", car(app))) + if author != user.get(()): + debug('composites.py::put', 'different author', author) + return False + + # Update the composite in the composite db + compentry = (("'entry", assoc("'title", car(app)), ("'id", car(id)), ("'author", user.get(())), ("'updated", strftime('%b %d, %Y')), assoc("'content", car(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 isNil(id): + return (("'feed", ("'title", "Composites"), ("'id", "composites")),) + + # Get the requested app + app = apps.get(id) + if isNil(app) or app is None: + debug('composites.py::get', 'app not found', id) + + # Return a default new composite + return (("'entry", ("'title", car(id)), ("'id", car(id)), ("'author", user.get(())), ("'updated", strftime('%b %d, %Y'))),) + + # Get the requested composite + comp = cache.get(compid(id)); + if isNil(comp) or comp is None: + debug('composites.py::get', 'composite not found', id) + + # Return a default new composite + return (("'entry", ("'title", car(id)), ("'id", car(id)), assoc("'author", car(app)), assoc("'updated", car(app))),) + + # Return the composite + def updated(u): + return assoc("'updated", car(app)) if isNil(u) or u is None else u + + compentry = (("'entry", assoc("'title", car(app)), ("'id", car(id)), assoc("'author", car(app)), updated(assoc("'updated", car(comp))), assoc("'content", car(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 isNil(app) or app is None: + debug('composites.py::delete', 'app not found', id) + return False + + # Check app author + author = cadr(assoc("'author", car(app))) + if author != user.get(()): + debug('composites.py::delete', 'different author', author) + return False + + # Delete the composite + return cache.delete(compid(id)) + |