main.py

#!/usr/bin/env python

"""main.py - This file contains handlers that are called by taskqueue and/or
cronjobs."""
import logging

import webapp2
from google.appengine.api import mail, app_identity
from api import TicTacToeApi

from models import User, Game


class SendReminderEmail(webapp2.RequestHandler):
    def get(self):
        """Send a reminder email to each User with an email about games.
        Called every hour using a cron job"""
        app_id = app_identity.get_application_id()
        users = User.query(User.email != None)
        for user in users:
            games = Game.query(Game.user == user.key).filter(Game.game_over != True).fetch()

            print(games)

            if len(games) > 0:
                print('remind me')

                subject = 'This is a reminder!'
                body = 'Hello {}, {} games of tictactoe are still active!'.format(user.name, len(games))

                # This will send test emails, the arguments to send_mail are:
                # from, to, subject, body
                mail.send_mail('noreply@{}.appspotmail.com'.format(app_id),
                           user.email,
                           subject,
                           body)


app = webapp2.WSGIApplication([
    ('/crons/send_reminder', SendReminderEmail)
], debug=True)