#!/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 Sponsor profiles.

"""

__authors__ = [

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

  ]

from google.appengine.api import users

from django import forms

from django import http

from django.utils.translation import ugettext_lazy

from soc.models import request as request_model

from soc.logic import dicts

from soc.logic.models import request as request_logic

from soc.logic.models import user as user_logic

from soc.views import helper

from soc.views import out_of_band

from soc.views.models import base

from soc.views.models import user as user_view

import soc.models.request

import soc.views.helper.widgets

class RequestForm(helper.forms.BaseForm):

  """Django form displayed when creating a new invititation/request.

  """

  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.request.Request

    #: Exclude pretty much everything, model=None would 

    #: also remove the help text etc. 

    exclude = ['requester', 'to', 'role', 

        'accepted', 'declined']

  requester = forms.CharField(widget=helper.widgets.ReadOnlyInput())

  role = forms.CharField(widget=helper.widgets.ReadOnlyInput())

  to = forms.CharField(widget=helper.widgets.ReadOnlyInput())

class RoleView(base.View):

  """Views for all entities that inherit from Role.

  All views that only Role entities have are defined in this subclass.

  """

  DEF_INVITE_INSTRUCTION_MSG_FMT = ugettext_lazy(

      'Please use this form to invite someone to become a %(name)s.')

  def __init__(self, original_params=None):

    """

    Args:

      original_params: This dictionary should be filled with the parameters

    """

    params = {}

    params = dicts.merge(original_params, params)

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

  def invite(self, request, page_name=None, params=None, **kwargs):

    """Displays the request promotion to Role page.

    """

    if not params:

      params = {}

    new_params = {}

    link_id = kwargs['link_id']

    new_params['list_action'] = (self.getCreateRequestRedirect, link_id)

    new_params['instruction_text'] = \

        self.DEF_INVITE_INSTRUCTION_MSG_FMT % self._params

    params = dicts.merge(new_params, params)

    params = dicts.merge(new_params, user_view.view._params)

    try:

      self.checkAccess('invite', request)

    except out_of_band.Error, error:

      return error.response(request)

    content = helper.lists.getListContent(request, params, user_logic.logic)

    contents = [content]

    return self._list(request, params, contents, page_name)

  def getCreateRequestRedirect(self, entity, group_scope):

    """Returns the edit redirect for the specified entity

    """

    result ='/request/create/%s/%s/%s' % (

        self._params['url_name'], group_scope, entity.link_id)

    return result

  def getDjangoURLPatterns(self):

    """See base.View.getDjangoURLPatterns().

    """

    params = {}

    default_patterns = self._params['django_patterns_defaults']

    default_patterns += [

        (r'^%(url_name)s/invite/%(lnp)s$',

            'soc.views.models.%s.invite', 'Invite %(name_short)s')]

    params['django_patterns_defaults'] = default_patterns

    patterns = super(RoleView, self).getDjangoURLPatterns(params)

    return patterns