guestbook/guestbook6_templates.py

   1 import cgi
   2 import os
   3
   4 from google.appengine.api import users
   5 from google.appengine.ext import webapp
   6 from google.appengine.ext.webapp.util import run_wsgi_app
   7 from google.appengine.ext import db
   8 from google.appengine.ext.webapp import template
   9
  10 class Greeting(db.Model):
  11   author = db.UserProperty()
  12   content = db.StringProperty(multiline=True)
  13   date = db.DateTimeProperty(auto_now_add=True)
  14
  15 class MainPage(webapp.RequestHandler):
  16   def get(self):
  17     greetings_query = Greeting.all().order('-date')
  18     greetings = greetings_query.fetch(10)
  19
  20     if users.get_current_user():
  21       url = users.create_logout_url(self.request.uri)
  22       url_linktext = 'Logout'
  23     else:
  24       url = users.create_login_url(self.request.uri)
  25       url_linktext = 'Login'
  26
  27     template_values = {
  28       'greetings': greetings,
  29       'url': url,
  30       'url_linktext': url_linktext,
  31       }
  32
  33     path = os.path.join(os.path.dirname(__file__), 'index.html')
  34     self.response.out.write(template.render(path, template_values))
  35
  36
  37 class Guestbook(webapp.RequestHandler):
  38   def post(self):
  39     greeting = Greeting()
  40
  41     if users.get_current_user():
  42       greeting.author = users.get_current_user()
  43
  44     greeting.content = self.request.get('content')
  45     greeting.put()
  46     self.redirect('/')
  47
  48 application = webapp.WSGIApplication(
  49                                      [('/', MainPage),
  50                                       ('/sign', Guestbook)],
  51                                      debug=True)
  52
  53 def main():
  54   run_wsgi_app(application)
  55
  56 if __name__ == "__main__":
  57   main()