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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 collection implementation
import os
from util import *
# Convert an id to an app id
def appid(id):
return ("'" + car(id), "'app.stats")
# Link implementation resources into an app
def mkapplink(id):
try:
os.symlink('../../../../../nuvem/nuvem-parallel/nuvem', 'apps/' + car(id) + '/nuvem')
os.symlink('../../../../components', 'apps/' + car(id) + '/lib')
os.mkdir('apps/' + car(id) + '/htdocs')
except:
pass
return True
# Put an app into the apps db
def put(id, app, cache, store, composites, pages):
eid = cadr(caddr(car(app)))
appentry = (("'entry", cadr(car(app)), ("'id", car(id))),)
# Update app in apps db
if car(id) == eid:
cache.put(appid(id), appentry)
mkapplink(id)
return True
# Clone an app's composite and page
cache.put(appid(id), appentry)
mkapplink(id)
composites.put(id, composites.get((eid,)))
pages.put(id, pages.get((eid,)))
return True
# Get an app from the apps db
def get(id, cache, store, composites, pages):
if isNil(id):
return (("'feed", ("'title", "Apps"), ("'id", "apps")),)
app = cache.get(appid(id));
if (isNil(app) or app is None):
return (("'entry", ("'title", car(id)), ("'id", car(id))),)
return app
# Delete an app from the apps db
def delete(id, cache, store, composites, pages):
cache.delete(appid(id))
composites.delete(id)
pages.delete(id)
return True
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