| # 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. |
| |
| # Dashboards collection implementation |
| from util import * |
| |
| # Convert a particular user id to a dashboard id |
| def dashboardid(user): |
| return ("'" + user.id(), "'user.apps") |
| |
| # Get a dashboard from the cache |
| def getdashboard(id, cache): |
| dashboard = cache.get(id) |
| if isNil(dashboard) or dashboard is None: |
| return () |
| return dashboard |
| |
| # Put an app into the user's dashboard |
| def put(id, app, user, cache, apps): |
| def putapp(app, dashboard): |
| if isNil(dashboard): |
| return app |
| if cadr(caddr(car(app))) == cadr(caddr(car(dashboard))): |
| return cons(car(app), cdr(dashboard)) |
| return cons(car(dashboard), putapp(app, cdr(dashboard))) |
| |
| appentry = (("'entry", cadr(car(app)), ("'id", car(id))),) |
| dashboard = putapp(appentry, getdashboard(dashboardid(user), cache)) |
| cache.put(dashboardid(user), dashboard) |
| |
| # Update app in app repository |
| apps.put(id, app); |
| return True |
| |
| # Get apps from the user's dashboard |
| def get(id, user, cache, apps): |
| def findapp(id, dashboard): |
| if isNil(dashboard): |
| return None |
| if car(id) == cadr(caddr(car(dashboard))): |
| return (car(dashboard),) |
| return findapp(id, cdr(dashboard)) |
| |
| if isNil(id): |
| return ((("'feed", ("'title", "Your Apps"), ("'id", user.id())) + getdashboard(dashboardid(user), cache)),) |
| return findapp(id, getdashboard(dashboardid(user), cache)) |
| |
| # Delete apps from the user's dashboard |
| def delete(id, user, cache, apps): |
| if isNil(id): |
| return cache.delete(dashboardid(user)) |
| |
| def deleteapp(id, dashboard): |
| if isNil(dashboard): |
| return () |
| if car(id) == cadr(caddr(car(dashboard))): |
| return cdr(dashboard) |
| return cons(car(dashboard), deleteapp(id, cdr(dashboard))) |
| |
| dashboard = deleteapp(id, getdashboard(dashboardid(user), cache)) |
| cache.put(dashboardid(user), dashboard) |
| |
| # Delete app from app repository |
| apps.delete(id); |
| return True |
| |