app/soc/views/models/host.py
author Lennard de Rijk <ljvderijk@gmail.com>
Fri, 23 Jan 2009 12:00:48 +0000
changeset 920 39badbfb80be
parent 913 db38e7680d1c
child 944 5ea2bd9e3fa6
permissions -rw-r--r--
Added the new way to process invites for club_admin only. This patch contains the separability needed to ensure that we can successfully do the access checks we need. Host invites can for the time being only be completed by developers due to the reorganization. Patch by: Lennard de Rijk Reviewed by: to-be-reviewed

#!/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 Host profiles.
"""

__authors__ = [
    '"Sverre Rabbelier" <sverre@rabbelier.nl>',
  ]


from soc.logic import accounts
from soc.logic import dicts
from soc.logic.models import host as host_logic
from soc.logic.models import user as user_logic
from soc.views import helper
from soc.views.models import role
from soc.views.models import sponsor as sponsor_view
from soc.views.helper import access

import soc.models.host
import soc.logic.models.host
import soc.views.helper
import soc.views.models.sponsor

# TODO(pawel.solyga): Rename all list methods and functions to something else
# and remove this tolist assignment
tolist = list


class CreateForm(helper.forms.BaseForm):
  """Django form displayed when creating a Host.
  """

  class Meta:
    """Inner Meta class that defines some behavior for the form.
    """

    #: db.Model subclass for which the form will gather information
    model = soc.models.host.Host

    #: list of model fields which will *not* be gathered by the form
    exclude = ['scope', 'user', 'state']

  def clean_empty(self, field):
    data = self.cleaned_data.get(field)
    if not data or data == u'':
      return None

    return data

  def clean_home_page(self):
    return self.clean_empty('home_page')

  def clean_blog(self):
    return self.clean_empty('blog')

  def clean_photo_url(self):
    return self.clean_empty('photo_url')


class EditForm(CreateForm):
  """Django form displayed when editing a Host.
  """

  pass

# TODO(ljvderijk) rewrite the Host View module to comply with the new request system
# so that non-developers can create Hosts

class View(role.View):
  """View methods for the Host model.
  """

  def __init__(self, params=None):
    """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
    """

    rights = {}
    rights['create'] = [access.checkIsDeveloper]
    # TODO(ljvderijk) write the edit check
    #rights['edit'] = [access.checkIsMyHost]
    rights['list'] = [access.checkIsHost]

    new_params = {}
    new_params['rights'] = rights
    new_params['logic'] = soc.logic.models.host.logic

    new_params['scope_view'] = sponsor_view

    new_params['logic'] = soc.logic.models.host.logic
    new_params['group_view'] = soc.views.models.sponsor.view
    new_params['invite_filter'] = {'group_ln': 'link_id'}

    new_params['name'] = "Program Administrator"
    new_params['module_name'] = "host"

    new_params['edit_form'] = EditForm
    new_params['create_form'] = CreateForm

    params = dicts.merge(params, new_params)

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

  def list(self, request, access_type, page_name=None, 
           params=None, filter=None):
    """See base.View.list.

    Passes a filter to base.View.list so that only hosts from a sponsor
    that this user is host for are listed.
    """

    user = user_logic.logic.getForCurrentAccount()

    # Don't bother looking up everything if there's no user
    if user and (not accounts.isDeveloper(user=user)):
      hosts = host_logic.logic.getForFields({'user': user})
      sponsors = tolist((host.scope for host in hosts))

      new_filter = {'scope': sponsors}
      filter = dicts.merge(filter, new_filter)

    return super(View, self).list(request, access_type, page_name=page_name,
                                  params=params, filter=filter)

  def _editPost(self, request, entity, fields):
    """See base.View._editPost().
    """

    user = user_logic.logic.getFromKeyName(fields['link_id'])
    fields['user'] = user

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

view = View()

create = view.create
delete = view.delete
edit = view.edit
list = view.list
public = view.public
export = view.export
invite = view.invite