#!/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>',
    '"Lennard de Rijk" <ljvderijk@gmail.com>',
  ]


from django import forms

from soc.logic import cleaning
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.logic.models import sponsor as sponsor_logic
from soc.views.helper import access
from soc.views.helper import dynaform
from soc.views.helper import widgets
from soc.views.models import role
from soc.views.models import sponsor as sponsor_view

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 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.checkIsHost]
    rights['edit'] = [access.checkIsMyActiveRole(soc.logic.models.host)]
    rights['invite'] = [access.checkIsHost]
    rights['list'] = [access.checkIsHost]
    rights['accept_invite'] = [access.checkCanCreateFromRequest('host')]
    rights['process_request'] = [access.checkIsHost,
        access.checkCanProcessRequest('host')]

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

    new_params['scope_view'] = sponsor_view

    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['extra_dynaexclude'] = ['user', 'state']

    new_params['create_extra_dynafields'] = {
       'scope_path': forms.CharField(widget=forms.HiddenInput,
                                  required=True),
       'clean_link_id': cleaning.clean_existing_user('link_id'),
       'clean_home_page': cleaning.clean_url('home_page'),
       'clean_blog': cleaning.clean_url('blog'),
       'clean_photo_url': cleaning.clean_url('photo_url')}

    new_params['allow_invites'] = True

    params = dicts.merge(params, new_params)

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

    # create and store the special form for invited users
    updated_fields = {
        'link_id': forms.CharField(widget=widgets.ReadOnlyInput(),
            required=False)}

    invited_create_form = dynaform.extendDynaForm(
        dynaform = self._params['create_form'],
        dynafields = updated_fields)

    params['invited_create_form'] = invited_create_form


  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().
    """
    if not entity:
      fields['user'] = fields['link_id']
      fields['link_id'] = fields['link_id'].link_id

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

  def _acceptInvitePost(self, fields, request, context, params, **kwargs):
    """Fills in the fields that were missing in the invited_created_form.
    
    For params see base.View._acceptInvitePost()
    """
    # fill in the appropriate fields that were missing in the form
    fields['user'] = fields['link_id']
    fields['link_id'] = fields['link_id'].link_id


view = View()

accept_invite = view.acceptInvite
create = view.create
delete = view.delete
edit = view.edit
invite = view.invite
list = view.list
process_request = view.processRequest
public = view.public
export = view.export