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−#!/usr/bin/python2.5
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−#
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−# Copyright 2008 the Melange authors.
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−#
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−# 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.
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−# You may obtain a copy of the License at
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−#
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−#   http://www.apache.org/licenses/LICENSE-2.0
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−#
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−# 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.
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−# See the License for the specific language governing permissions and
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−# limitations under the License.
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−
+
−"""Views for Models with a "presence" on a Melange site.
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−"""
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−
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−__authors__ = [
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−    '"Sverre Rabbelier" <sverre@rabbelier.nl>',
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−  ]
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−
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−
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−from google.appengine.ext import db
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−
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−from django import forms
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−from django.utils.translation import ugettext_lazy
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−
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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.logic.models import document as document_logic
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−from soc.views import helper
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−from soc.views.helper import access
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−from soc.views.helper import redirects
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−from soc.views.models import base
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−
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−import soc.models.presence
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−import soc.logic.models.presence
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−import soc.logic.dicts
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−import soc.views.helper
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−import soc.views.helper.widgets
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−
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−
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−class View(base.View):
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−  """View methods for the Presence model.
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−  """
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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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−    new_params = {}
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−
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−    new_params['extra_dynaexclude'] = ['home', 'tos']
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−
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−    new_params['create_extra_dynafields'] = {
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−        # override some editors
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−        'home_link_id': forms.CharField(required=False,
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−            label=ugettext_lazy('Home page Document link ID'),
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−            help_text=soc.models.work.Work.link_id.help_text),
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−
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−        'tos_link_id': forms.CharField(required=False,
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−            label=ugettext_lazy('Terms of Service Document link ID'),
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−            help_text=soc.models.work.Work.link_id.help_text),
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−
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−        # add cleaning of the link id and feed url
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−        'clean_link_id': cleaning.clean_link_id,
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−        'clean_feed_url': cleaning.clean_feed_url,
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−        }
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−
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−    params = dicts.merge(params, new_params, sub_merge=True)
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−
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−    super(View, self).__init__(params=params)
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−
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−  def _public(self, request, entity, context):
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−    """See base.View._public().
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−    """
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−
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−    if not entity:
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−      return
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−
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−    try:
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−      home_doc = entity.home
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−    except db.Error:
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−      home_doc = None
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−
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−    if home_doc:
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−      home_doc.content = helper.templates.unescape(home_doc.content)
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−      context['home_document'] = home_doc
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−
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−  def _editGet(self, request, entity, form):
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−    """See base.View._editGet().
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−    """
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−
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−    try:
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−      if entity.home:
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−        form.fields['home_link_id'].initial = entity.home.link_id
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−    except db.Error:
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−      pass
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−
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−    try:
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−      if entity.tos:
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−        form.fields['tos_link_id'].initial = entity.tos.link_id
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−    except db.Error:
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−      pass
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−
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−    super(View, self)._editGet(request, entity, form)
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−
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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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−    key_fields = self._logic.getKeyFieldsFromDict(fields)
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−    scope_path = self._logic.getKeyNameForFields(key_fields)
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−    home_link_id = fields['home_link_id']
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−
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−    # TODO notify the user if home_doc is not found
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−    home_doc = document_logic.logic.getFromFields(
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−      scope_path=scope_path, link_id=home_link_id)
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−
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−    fields['home'] = home_doc
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−
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−    tos_link_id = fields['tos_link_id']
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−
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−    # TODO notify the user if tos_doc is not found
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−    tos_doc = document_logic.logic.getFromFields(
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−      scope_path=scope_path, link_id=tos_link_id)
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−
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−    fields['tos'] = tos_doc
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−
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−    super(View, self)._editPost(request, entity, fields)