+
−#!/usr/bin/python2.5
+
−#
+
−# Copyright 2008 the Melange authors.
+
−#
+
−# Licensed under the Apache License, Version 2.0 (the "License");
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−# 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
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−# distributed under the License is distributed on an "AS IS" BASIS,
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−# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+
−# See the License for the specific language governing permissions and
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−# limitations under the License.
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−
+
−"""This module contains the view code for Notifications.
+
−"""
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−
+
−__authors__ = [
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−  '"Lennard de Rijk" <ljvderijk@gmail.com>',
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−]
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−
+
−
+
−import time
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−
+
−from django import forms
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−from django.utils.translation import ugettext_lazy
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−
+
−from soc.logic import cleaning
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−from soc.logic import dicts
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−from soc.logic import validate
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−from soc.models import notification as notification_model
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−from soc.views import helper
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−from soc.views import out_of_band
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−from soc.views.helper import access
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−from soc.views.helper import lists as list_helper
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−from soc.views.helper import redirects
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−from soc.views.models import base
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−from soc.logic.models import notification as notification_logic
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−from soc.logic.models import user as user_logic
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−
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−
+
−class CreateForm(helper.forms.BaseForm):
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−  """Form for creating a Notification.
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−  """
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−
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−  # to user field
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−  to_user = forms.fields.CharField(label='To User')
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−
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−  def __init__(self, *args, **kwargs):
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−    """ Calls super and then redefines the order in which the fields appear.
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−
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−    for parameters see BaseForm.__init__()
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−    """
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−    super(CreateForm, self).__init__(*args, **kwargs)
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−
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−    # set form fields order
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−    self.fields.keyOrder = ['to_user', 'subject', 'message']
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−
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−  class Meta:
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−    """Inner Meta class that defines some behavior for the form.
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−    """
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−    model = notification_model.Notification
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−
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−    # exclude the necessary fields from the form
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−    exclude = ['link_id', 'scope', 'scope_path', 'from_user', 'unread']
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−
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−  clean_to_user = cleaning.clean_existing_user('to_user')
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−
+
−
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−class View(base.View):
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−  """View methods for the Notification model.
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−  """
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−
+
−  def __init__(self, params=None):
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−    """Defines the fields and methods required for the base View class
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−    to provide the user with list, public, create, edit and delete views.
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−
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−    Params:
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−      params: a dict with params for this View
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−    """
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−
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−    rights = {}
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−    rights['unspecified'] = [access.deny]
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−    rights['edit'] = [access.deny]
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−    rights['show'] = [access.checkIsMyNotification]
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−    rights['delete'] = [access.checkIsMyNotification]
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−    rights['list'] = [access.checkIsUser]
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−    # create is developer only for the time being to test functionality
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−    rights['create'] = [access.checkIsDeveloper]
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−
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−    new_params = {}
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−    new_params['logic'] = notification_logic.logic
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−    new_params['rights'] = rights
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−
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−    new_params['name'] = "Notification"
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−
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−    new_params['no_create_with_key_fields'] = True
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−    new_params['create_form'] = CreateForm
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−
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−    new_params['edit_redirect'] = '/%(url_name)s/list'
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−
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−    params = dicts.merge(params, new_params)
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−
+
−    super(View, self).__init__(params=params)
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−
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−  def list(self, request, access_type,
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−           page_name=None, params=None, filter=None):
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−    """Lists all notifications that the current logged in user has stored.
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−
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−    for parameters see base.list()
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−    """
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−
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−    params = dicts.merge(params, self._params)
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−
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−    try:
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−      access.checkAccess(access_type, request, params['rights'])
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−    except out_of_band.Error, error:
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−      return helper.responses.errorResponse(error, request)
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−
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−    # get the current user
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−    user_entity = user_logic.logic.getForCurrentAccount()
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−
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−    # only select the notifications for this user so construct a filter
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−    filter = {
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−        'scope': user_entity,
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−        'unread': True,
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−        }
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−
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−    # create the list parameters
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−    un_params = params.copy() # unread notifications
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−
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−    # define the list redirect action to show the notification
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−    un_params['list_action'] = (redirects.getPublicRedirect, params)
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−    un_params['list_description'] = ugettext_lazy(
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−        "An overview of your unread Notifications.")
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−
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−    # TODO(Lennard) when list sorting is implemented sort on descending date
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−    un_list = list_helper.getListContent(
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−        request, un_params, filter, 0)
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−
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−    # Now get the read list
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−
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−    # Reuse the filter, but only for read notifications
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−    filter['unread'] = False
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−
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−    rn_params = params.copy() # read notifications
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−
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−    rn_params['list_action'] = (redirects.getPublicRedirect, params)
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−    rn_params['list_description'] = ugettext_lazy(
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−        "An overview of your read Notifications.")
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−
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−    rn_list = list_helper.getListContent(
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−        request, rn_params, filter, 1)
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−
+
−    # fill contents with all the needed lists
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−    contents = [un_list, rn_list]
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−
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−    # call the _list method from base to display the list
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−    return self._list(request, params, contents, page_name)
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−
+
−  def _editPost(self, request, entity, fields):
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−    """See base.View._editPost().
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−    """
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−
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−    # get the current user
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−    current_user = user_logic.logic.getForCurrentAccount()
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−
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−    fields['link_id'] = '%i' % (time.time())
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−    fields['scope'] = fields['to_user']
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−    fields['from_user'] = current_user
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−    fields['scope_path'] = fields['to_user'].link_id
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−
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−  def _editSeed(self, request, seed):
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−    """Checks if scope_path is seeded and puts it into to_user.
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−
+
−    for parameters see base._editSeed()
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−    """
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−
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−    # if scope_path is present
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−    if 'scope_path' in seed.keys():
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−      # fill the to_user field with the scope path
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−      seed['to_user'] = seed['scope_path']
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−
+
−  def _public(self, request, entity, context):
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−    """Marks the Notification as read if that hasn't happened yet.
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−
+
−    for parameters see base._public()
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−    """
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−
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−    # if the user viewing is the user for which this notification is meant
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−    # and the notification has not been read yet
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−    if entity.unread:
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−      # get the current user
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−      user = user_logic.logic.getForCurrentAccount()
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−      
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−      # if the message is meant for the user that is reading it
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−      if entity.scope.key() == user.key():
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−        # mark the entity as read
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−        self._logic.updateModelProperties(entity, {'unread' : False} )
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−
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−    context['entity_type_url'] = self._params['url_name']
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−    context['entity_suffix'] = self._logic.getKeySuffix(entity)
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−
+
−
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−view = View()
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−create = view.create
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−edit = view.edit
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−delete = view.delete
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−list = view.list
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−public = view.public