#!/usr/bin/python2.5

#

# Copyright 2008 the Melange authors.

#

# Licensed under the Apache License, Version 2.0 (the "License");

# 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

# distributed under the License is distributed on an "AS IS" BASIS,

# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

# See the License for the specific language governing permissions and

# limitations under the License.

"""Views for PresenceWithToS.

"""

__authors__ = [

    '"Sverre Rabbelier" <sverre@rabbelier.nl>',

  ]

from google.appengine.ext import db

from django import forms

from django.utils.translation import ugettext

from soc.logic import dicts

from soc.logic.models import document as document_logic

from soc.views.models import presence

from soc.views.helper import widgets

import soc.logic.models.presence_with_tos

import soc.models.work

class View(presence.View):

  """View methods for the PresenceWithToS model.

  """

    """Defines the fields and methods required for the base View class

    to provide the user with list, public, create, edit and delete views.

    Params:

      params: a dict with params for this View

    """

    new_params = {}

    new_params['logic'] = soc.logic.models.presence_with_tos.logic

    new_params['extra_dynaexclude'] = ['tos']

    new_params['edit_extra_dynafields'] = {

        'tos_link_id': widgets.ReferenceField(

            help_text=soc.models.work.Work.link_id.help_text),

        }

    params = dicts.merge(params, new_params, sub_merge=True)

    super(View, self).__init__(params=params)

  def _editGet(self, request, entity, form):

    """See base.View._editGet().

    """

    try:

      if entity.tos:

        form.fields['tos_link_id'].initial = entity.tos.link_id

    except db.Error:

      pass

    super(View, self)._editGet(request, entity, form)

  def _editPost(self, request, entity, fields):

    """See base.View._editPost().

    """

    if 'tos_link_id' not in fields:

      return super(View, self)._editPost(request, entity, fields)

    scope_path = self._logic.getKeyNameFromFields(fields)

    key_fields = {

        'scope_path': scope_path,

        'link_id': fields['tos_link_id'],

        'prefix': self._params['document_prefix'],

        }

    # TODO notify the user if tos_doc is not found

    tos_doc = document_logic.logic.getFromKeyFields(key_fields)

    fields['tos'] = tos_doc

    super(View, self)._editPost(request, entity, fields)