1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
|
# 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
import uuid
import sys
from util import *
# Convert a particular user email to a dashboard id
def dashboardid(user):
return ("'" + user.id(),)
# Get a dashboard from the cache
def getdashboard(id, cache):
dashboard = cache.get(id)
if isNil(dashboard):
return ()
return dashboard
# Post a new app to the user's dashboard
def post(collection, app, user, cache):
id = (str(uuid.uuid1()),)
dashboard = cons((car(app), car(id), caddr(app)), getdashboard(dashboardid(user), cache))
cache.put(dashboardid(user), dashboard)
return id
# Put an app into the user's dashboard
def put(id, app, user, cache):
def putapp(app, dashboard):
if isNil(dashboard):
return (app,)
if cadr(app) == cadr(car(dashboard)):
return cons(app, cdr(dashboard))
return cons(car(dashboard), putapp(app, cdr(dashboard)))
dashboard = putapp(app, getdashboard(dashboardid(user), cache))
cache.put(dashboardid(user), dashboard)
return True
# Get apps from the user's dashboard
def get(id, user, cache):
def findapp(id, dashboard):
if isNil(dashboard):
return None
if car(id) == cadr(car(dashboard)):
return car(dashboard)
return findapp(id, cdr(dashboard))
if isNil(id):
return ("Your Apps", 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):
if isNil(id):
return cache.delete(dashboardid(user))
def deleteapp(id, dashboard):
if isNil(dashboard):
return ()
if car(id) == cadr(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)
return True
|
