contrib.py

#  This program is free software; you can redistribute it and/or modify
#  it under the terms of the GNU General Public License as published by
#  the Free Software Foundation; either version 2 of the License, or
#  (at your option) any later version.
#
#  This program is distributed in the hope that it will be useful,
#  but WITHOUT ANY WARRANTY; without even the implied warranty of
#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#  GNU Library General Public License for more details.
#
#  You should have received a copy of the GNU General Public License
#  along with this program; if not, write to the Free Software
#  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#
# contrib.py
# Copyright (C) 2012 Simon Newton
# The handlers for the contrib page.

import common
import logging
import datetime
from google.appengine.api import users
from google.appengine.ext import webapp
from google.appengine.ext.webapp import template
from model import Responder, UploadedResponderInfo


class BaseContribPageHandler(webapp.RequestHandler):
  """The base handler for contrib requests."""
  ALLOWED_USERS = [
      'nomis52@gmail.com',
      'simon@nomis52.net',
      'peterjnewman@gmail.com',
  ]

  def get(self):
    self.do_request()

  def post(self):
    self.do_request()

  def do_request(self):
    user = users.get_current_user()
    if not user:
      self.redirect(users.create_login_url(self.request.uri))
      return

    if user.email() not in self.ALLOWED_USERS:
      self.error(403)
      return
    self.HandleRequest()


class ContribPageHandler(BaseContribPageHandler):
  """Contrib menu."""
  def HandleRequest(self):
    template_data = {
      'logout_url': users.create_logout_url("/"),
    }

    self.response.headers['Content-Type'] = 'text/html'
    self.response.out.write(template.render('templates/contrib.tmpl',
                                            template_data))


class AddInfoResponderHandler(BaseContribPageHandler):
  """Displays the UI for adding responder info."""
  def HandleRequest(self):
    # the responders without data
    # we fetch ones so we don't have consistency problems
    responders = self.GetMissingResponders()
    if self.request.get('update'):
      self.SaveChanges(responders)

    template_data = {
      'logout_url': users.create_logout_url("/"),
      'responders': self.BuildResponderList(responders),
    }

    self.response.headers['Content-Type'] = 'text/html'
    self.response.out.write(template.render(
      'templates/contrib-add-responder-info.tmpl',
      template_data))

  def GetMissingResponders(self):
    responders = []
    for responder in Responder.all():
      if responder.link and responder.image_url:
        continue
      responders.append(responder)
    return responders

  def BuildResponderList(self, responders):
    output = []
    for responder in responders:
      if responder.link and responder.image_url:
        continue
      output.append({
        'id': responder.device_model_id,
        'image': responder.image_url,
        'manufacturer': responder.manufacturer.name,
        'manufacturer_id': responder.manufacturer.esta_id,
        'model': responder.model_description,
        'url': responder.link,
      })
    return output

  def GetURLOrNone(self, param):
    url = self.request.get(param)
    if not url or not url.startswith('http://'):
      return None
    return url

  def SaveChanges(self, responders):
    added = 0
    for responder in responders:
      key = '%d_%d' % (responder.manufacturer.esta_id,
                       responder.device_model_id)
      image = self.GetURLOrNone('%s_image' % key)
      url = self.GetURLOrNone('%s_url' % key)

      if not (image or url):
        continue

      responder_obj = UploadedResponderInfo(
        manufacturer_id=responder.manufacturer.esta_id,
        device_model_id=responder.device_model_id,
        upload_time=datetime.datetime.now()
      )
      if image:
        responder_obj.image_url = image
      if url:
        responder_obj.link_url = url
      logging.info('Added %s' % responder.model_description)
      responder_obj.put()
      added += 1
    common.MaybeSendEmail(added)


app = webapp.WSGIApplication(
  [
    ('/contrib', ContribPageHandler),
    ('/contrib/add_responder_info', AddInfoResponderHandler),
  ],
  debug=True)