#!/usr/bin/env python
#
# Copyright 2007 Google Inc.
#
# Licensed 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.
#
import cgi
import datetime
import webapp2
from google.appengine.ext import ndb
from google.appengine.api import users
guestbook_key = ndb.Key('Guestbook', 'default_guestbook')
class Greeting(ndb.Model):
author = ndb.UserProperty()
content = ndb.TextProperty()
date = ndb.DateTimeProperty(auto_now_add=True)
class MainPage(webapp2.RequestHandler):
def get(self):
self.response.out.write('<html><body>')
greetings = ndb.gql('SELECT * '
'FROM Greeting '
'WHERE ANCESTOR IS :1 '
'ORDER BY date DESC LIMIT 10',
guestbook_key)
for greeting in greetings:
if greeting.author:
self.response.out.write('<b>%s</b> wrote:' % greeting.author.nickname())
else:
self.response.out.write('An anonymous person wrote:')
self.response.out.write('<blockquote>%s</blockquote>' %
cgi.escape(greeting.content))
self.response.out.write("""
<form action="/sign" method="post">
<div><textarea name="content" rows="3" cols="60"></textarea></div>
<div><input type="submit" value="Sign Guestbook"></div>
</form>
</body>
</html>""")
class Guestbook(webapp2.RequestHandler):
def post(self):
greeting = Greeting(parent=guestbook_key)
if users.get_current_user():
greeting.author = users.get_current_user()
greeting.content = self.request.get('content')
greeting.put()
self.redirect('/')
app = webapp2.WSGIApplication([
('/', MainPage),
('/sign', Guestbook)
], debug=True)
