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Diffstat (limited to 'sca-cpp/branches/lightweight-sca/hosting/server/apps.py')
| -rw-r--r-- | sca-cpp/branches/lightweight-sca/hosting/server/apps.py | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/sca-cpp/branches/lightweight-sca/hosting/server/apps.py b/sca-cpp/branches/lightweight-sca/hosting/server/apps.py new file mode 100644 index 0000000000..064701a7df --- /dev/null +++ b/sca-cpp/branches/lightweight-sca/hosting/server/apps.py @@ -0,0 +1,111 @@ +# 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 collection implementation +from time import strftime +from util import * +from sys import debug + +# Convert an id to an app id +def appid(id): + return ("apps", car(id), "app.stats") + +# Put an app into the apps db +def put(id, app, user, cache, dashboard, store, composites, pages): + debug('apps.py::put::id', id) + debug('apps.py::put::app', app) + + # Update an app + eid = cadr(assoc("'id", car(app))) + if car(id) == eid: + # Check app author + eapp = cache.get(appid(id)); + if (not (isNil(eapp) or eapp is None)) and (cadr(assoc("'author", car(eapp))) != user.get(())): + debug('apps.py::put', 'different author', cadr(assoc("'author", car(eapp)))) + return False + + # Update the app in the apps db + appentry = (("'entry", assoc("'title", car(app)), ("'id", car(id)), ("'author", user.get(())), ("'updated", strftime('%b %d, %Y')), assoc("'content", car(app))),) + debug('apps.py::put::appentry', appentry) + cache.put(appid(id), appentry) + dashboard.put(id, appentry) + + # Create new page and composite if necessary + if isNil(eapp) or eapp is None: + comp = (("'entry", ("'title", car(id)), ("'id", car(id))),) + composites.put(id, comp); + page = (("'entry", ("'title", car(id)), ("'id", car(id))),) + pages.put(id, comp); + return True + return True + + # Check app author + eapp = cache.get(appid(id)); + if (not (isNil(eapp) or eapp is None)) and (cadr(assoc("'author", car(eapp))) != user.get(())): + debug('apps.py::put', 'different author', cadr(assoc("'author", car(eapp)))) + return False + + # Clone an app + appentry = (("'entry", assoc("'title", car(app)), ("'id", car(id)), ("'author", user.get(())), ("'updated", strftime('%b %d, %Y')), assoc("'content", car(app))),) + debug('apps.py::put::appentry', appentry) + cache.put(appid(id), appentry) + composites.put(id, composites.get((eid,))) + pages.put(id, pages.get((eid,))) + dashboard.put(id, appentry) + return True + +# Get an app from the apps db +def get(id, user, cache, dashboard, store, composites, pages): + debug('apps.py::get::id', id) + if isNil(id): + return (("'feed", ("'title", "Apps"), ("'id", "apps")),) + + # Get the requested app + app = cache.get(appid(id)); + if isNil(app) or app is None: + debug('apps.py::get', 'app not found', id) + + # Return a default new app + return (("'entry", ("'title", car(id)), ("'id", car(id)), ("'author", user.get(())), ("'updated", strftime('%b %d, %Y')), ("'content", ("'stats", ("'description", '')))),) + + # Return the app + debug('apps.py::get::app', app) + return app + +# Delete an app from the apps db +def delete(id, user, cache, dashboard, store, composites, pages): + debug('apps.py::delete::id', id) + + # Get the requested app + app = cache.get(appid(id)); + if isNil(app) or app is None: + debug('apps.py::delete', 'app not found', id) + return False + + # Check app author + author = cadr(assoc("'author", car(app))) + if author != user.get(()): + debug('apps.py::delete', 'different author', author) + return False + + # Delete the app, its composite and page + dashboard.delete(id) + composites.delete(id) + pages.delete(id) + cache.delete(appid(id)) + return True + |