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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.
# Dashboards collection implementation
from util import *
from atomutil import *
from sys import debug
# Convert a particular user id to a dashboard id
def dashboardid(user):
return ("dashboards", user.get(()), "user.apps")
# Get a dashboard from the cache
def getdashboard(id, cache):
debug('dashboards.py::getdashboard::id', id)
val = cache.get(id)
if isNull(val):
return ()
dashboard = cdddr(car(val))
if not isNull(dashboard) and isList(car(cadr(car(dashboard)))):
# Expand list of entries
edashboard = tuple(map(lambda e: cons("'entry", e), cadr(car(dashboard))))
debug('dashboards.py::getdashboard::edashboard', edashboard)
return edashboard
debug('dashboards.py::getdashboard::dashboard', dashboard)
return dashboard
# Put a dashboard into the cache
def putdashboard(id, dashboard, cache):
debug('dashboards.py::putdashboard::id', id)
debug('dashboards.py::putdashboard::dashboard', dashboard)
val = ((("'feed", ("'title", "Your Apps"), ("'id", cadr(id))) + dashboard),)
return cache.put(id, val)
# Put an app into the user's dashboard
def put(id, app, user, cache, apps, ratings):
debug('dashboards.py::put::id', id)
debug('dashboards.py::put::app', app)
def putapp(id, app, dashboard):
if isNull(dashboard):
return app
if car(id) == entryid(dashboard):
return cons(car(app), cdr(dashboard))
return cons(car(dashboard), putapp(id, app, cdr(dashboard)))
appentry = mkentry(title(app), car(id), user.get(()), now(), content(app))
debug('dashboards.py::put::appentry', appentry)
dashboard = putapp(id, appentry, getdashboard(dashboardid(user), cache))
return putdashboard(dashboardid(user), dashboard, cache)
# Merge app info and ratings into a list of apps
def mergeapps(entries, apps, ratings):
debug('store.py::mergeapps::entries', entries)
def mergeapp(entry):
debug('store.py::mergeapp::entry', entry)
id = (entryid(entry),)
app = apps.get(id)
if isNull(app):
return ((),)
info = content(app)
rating = ratings.get(id)
rates = content(rating)
mergedentry = mkentry(title(app), car(id), author(app), updated(app), ("'info",) + (() if isNull(info) else cdr(info)) + (() if isNull(rates) else cdr(rates)))
return mergedentry
mergedentries = tuple(filter(lambda e: not isNull(e), map(lambda e: car(mergeapp((e,))), entries)))
debug('store.py::mergeapps::mergedentries', mergedentries)
return mergedentries
# Get apps from the user's dashboard
def get(id, user, cache, apps, ratings):
debug('dashboards.py::get::id', id)
def findapp(id, dashboard):
if isNull(dashboard):
return None
if car(id) == entryid(dashboard):
return (car(dashboard),)
return findapp(id, cdr(dashboard))
if isNull(id):
entries = mergeapps(getdashboard(dashboardid(user), cache), apps, ratings)
def sortkey(e):
return updated((e,))
sortedentries = tuple(sorted(entries, key = sortkey, reverse = True))
dashboard = ((("'feed", ("'title", "Your Apps"), ("'id", user.get(()))) + sortedentries),)
debug('dashboards.py::get::dashboard', dashboard)
return dashboard
app = findapp(id, getdashboard(dashboardid(user), cache))
debug('dashboards.py::get::app', app)
return app
# Delete apps from the user's dashboard
def delete(id, user, cache, apps, ratings):
debug('dashboards.py::delete::id', id)
if isNull(id):
return cache.delete(dashboardid(user))
def deleteapp(id, dashboard):
if isNull(dashboard):
return ()
if car(id) == entryid(dashboard):
return cdr(dashboard)
return cons(car(dashboard), deleteapp(id, cdr(dashboard)))
dashboard = getdashboard(dashboardid(user), cache)
deleted = deleteapp(id, dashboard)
if deleted == dashboard:
return False
return putdashboard(dashboardid(user), deleted, cache)
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