Skeleton of a composite app editor module.

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@1053560 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 82 insertions, 0 deletions

diff --git a/sca-cpp/trunk/modules/edit/dashboard.py b/sca-cpp/trunk/modules/edit/dashboard.py
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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.
+
+# Workspace collection implementation
+import uuid
+import sys
+from util import *
+
+# Convert a particular user email to a workspace id
+def workspaceid(user):
+    return ("'" + user.id(),)
+
+# Get a workspace from the cache
+def getworkspace(id, cache):
+    workspace = cache.get(id)
+    if isNil(workspace):
+        return ()
+    return workspace
+
+# Post a new app to the user's workspace
+def post(collection, app, user, cache):
+    id = (str(uuid.uuid1()),)
+    workspace = cons((car(app), id, caddr(app)), getworkspace(workspaceid(user), cache))
+    cache.put(workspaceid(user), workspace)
+    return id
+
+# Put an app into the user's workspace
+def put(id, app, user, cache):
+    def putapp(app, workspace):
+        if isNil(workspace):
+            return (app,)
+        if cadr(app) == cadr(car(workspace)):
+            return cons(app, cdr(workspace))
+        return cons(car(workspace), putapp(app, cdr(workspace)))
+
+    workspace = putapp(app, getworkspace(workspaceid(user), cache))
+    cache.put(workspaceid(user), workspace)
+    return True
+
+# Get apps from the user's workspace
+def get(id, user, cache):
+    def findapp(id, workspace):
+        if isNil(workspace):
+            return None
+        if id == cadr(car(workspace)):
+            return car(workspace)
+        return findapp(id, cdr(workspace))
+
+    if isNil(id):
+        return ("Your Apps", user.id()) + getworkspace(workspaceid(user), cache)
+    return findapp(car(id), getworkspace(workspaceid(user), cache))
+
+# Delete apps from the user's workspace
+def delete(id, user, cache):
+    if isNil(id):
+        return cache.delete(workspaceid(user))
+
+    def deleteapp(id, workspace):
+        if isNil(workspace):
+            return ()
+        if id == cadr(car(workspace)):
+            return cdr(workspace)
+        return cons(car(workspace), deleteapp(id, cdr(workspace)))
+
+    workspace = deleteapp(id, getworkspace(workspaceid(user), cache))
+    cache.put(workspaceid(user), workspace)
+    return True
+