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main.py
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main.py
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import webapp2
import jinja2
import os
import json
import logging
from os import path
from google.appengine.api import users
import models
template_dir = path.join(path.dirname(__file__), 'templates')
jinja_environment = jinja2.Environment(
loader=jinja2.FileSystemLoader(template_dir),
autoescape=True)
class IndexHandler(webapp2.RequestHandler):
def get(self):
user = users.get_current_user()
if user:
email = user.email()
auth_url = users.create_logout_url(dest_url='/')
else:
email = None
auth_url = users.create_login_url(dest_url='/')
self.response.write(jinja_environment.get_template('index.html').render(
email=email,
is_admin=users.is_current_user_admin(),
auth_url=auth_url,
posts=models.get_all_posts()))
class ViewPostHandler(webapp2.RequestHandler):
def get(self):
post_id = self.request.get('id')
post = models.get_post_by_id(post_id)
if post:
comments = models.get_comments_by_post_id(post_id)
if users.get_current_user():
sign_in_url = None
else:
sign_in_url = users.create_login_url(
dest_url=('/view-post?id=' + post_id))
self.response.write(
jinja_environment.get_template('view_post.html').render(
post=post, comments=comments, sign_in_url=sign_in_url))
else:
webapp2.abort(404)
class NewPostHandler(webapp2.RequestHandler):
def get(self):
if users.is_current_user_admin():
self.response.write(
jinja_environment.get_template('new_post.html').render())
else:
webapp2.abort(403)
class SubmitPostHandler(webapp2.RequestHandler):
def post(self):
if users.is_current_user_admin():
title = self.request.get('title')
content = self.request.get('content')
if title and content:
post_id = models.create_post(title, content)
return webapp2.redirect('/view-post?id=' + post_id)
else:
webapp2.abort(400)
else:
webapp2.abort(403)
class SubmitCommentHandler(webapp2.RequestHandler):
def post(self):
user = users.get_current_user()
if user:
post_id = self.request.get('post_id')
content = self.request.get('content')
if content and models.get_post_by_id(post_id):
models.create_comment(post_id, user.email(), content)
if ('application/json' in
self.request.headers.get('Accept', '').lower()):
self.response.write(json.dumps({'email': user.email()}))
else:
return webapp2.redirect('/view-post?id=' + post_id)
else:
webapp2.abort(400)
else:
webapp2.abort(403)
class ClearCommentsHandler(webapp2.RequestHandler):
def get(self):
if (users.is_current_user_admin() or
self.request.headers.get('X-Appengine-Cron') == 'true'):
models.delete_all_comments()
self.response.set_status(204)
else:
webapp2.abort(403)
def handle_400(request, response, exception):
response.set_status(400)
response.write(jinja_environment.get_template('400.html').render())
def handle_403(request, response, exception):
response.set_status(403)
response.write(jinja_environment.get_template('403.html').render())
def handle_404(request, response, exception):
response.set_status(404)
response.write(jinja_environment.get_template('404.html').render())
def handle_500(request, response, exception):
logging.exception(exception)
response.set_status(500)
response.write(jinja_environment.get_template('500.html').render())
class EnterInfoHandler2(webapp2.RequestHandler):
def get(self):
template = jinja_environment.get_template("tetris.html")
self.response.write(template.render())
def post(self):
template = jinja_environment.get_template("tetris.html")
self.response.write(template.render())
class EnterInfoHandler3(webapp2.RequestHandler):
def get(self):
template = jinja_environment.get_template("tictactoe.html")
self.response.write(template.render())
def post(self):
template = jinja_environment.get_template("tictactoe.html")
self.response.write(template.render())
production = os.getenv('SERVER_SOFTWARE', '').startswith('Google App Engine/')
app = webapp2.WSGIApplication(
routes=[
('/', IndexHandler),
('/view-post', ViewPostHandler),
('/new-post', NewPostHandler),
('/submit-post', SubmitPostHandler),
('/submit-comment', SubmitCommentHandler),
('/clear-comments', ClearCommentsHandler),
('/tetris', EnterInfoHandler2),
('/tictactoe', EnterInfoHandler3),
],
debug=(not production))
app.error_handlers[400] = handle_400
app.error_handlers[403] = handle_403
app.error_handlers[404] = handle_404
if production:
app.error_handlers[500] = handle_500