#!/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 Requests.

"""

__authors__ = [

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

    '"Lennard de Rijk" <ljvderijk@gmail.com>',

    '"Pawel Solyga" <pawel.solyga@gmail.com>',

  ]

from google.appengine.api import users

from django import forms

from django.utils.translation import ugettext_lazy

from soc.logic import dicts

from soc.logic.models import sponsor as sponsor_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.helper import access

from soc.views.helper import redirects

from soc.views.models import base

import soc.models.request

import soc.logic.models.request

import soc.logic.dicts

import soc.views.helper

import soc.views.helper.lists

import soc.views.helper.responses

import soc.views.helper.widgets

class CreateForm(helper.forms.BaseForm):

  """Django form displayed when Developer creates a Request.

  """

  class Meta:

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

    """

    model = soc.models.request.Request

    #: list of model fields which will *not* be gathered by the form 

    exclude = ['scope', 'scope_path', 'link_id', 'role', 'declined']

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

  user = forms.CharField(

      label=soc.models.request.Request.link_id.verbose_name,

      help_text=soc.models.request.Request.link_id.help_text,

      widget=helper.widgets.ReadOnlyInput())

  group = forms.CharField(

      label=soc.models.request.Request.scope.verbose_name,

      help_text=soc.models.request.Request.scope.help_text,

      widget=helper.widgets.ReadOnlyInput())

  def clean_user(self):

    self.cleaned_data['requester'] =  user_logic.logic.getForFields(

        {'link_id': self.cleaned_data['user']}, unique=True)

    return self.cleaned_data['user']

  def clean_group(self):

    self.cleaned_data['to'] = sponsor_logic.logic.getFromFields(

        link_id=self.cleaned_data['group'])

    return self.cleaned_data['group']

class EditForm(CreateForm):

  """Django form displayed when Developer edits a Request.

  """

  pass

class View(base.View):

  """View methods for the Docs 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:

    """

    rights = {}

    rights['listSelf'] = [access.checkIsUser]

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

    """Displays the unhandled requests for this user.

    Args:

      request: the standard Django HTTP request object

      page_name: the page name displayed in templates as page and header title

      params: a dict with params for this View

      kwargs: not used

    """

    params = dicts.merge(params, self._params)

    params['logic'] = self._logic

    try:

      access.checkAccess('listSelf', request, params['rights'])

    except out_of_band.Error, error:

      return helper.responses.errorResponse(error, request)

    # get the current user

    properties = {'account': users.get_current_user()}

    user_entity = user_logic.logic.getForFields(properties, unique=True)

    # construct the Unhandled Requests list

    # only select the requests for this user that haven't been handled yet

    filter = {'link_id': user_entity.link_id,

              'group_accepted' : True}

    uh_params = params.copy()

    uh_params['list_action'] = (redirects.inviteAcceptedRedirect, None)

    uh_params['list_description'] = ugettext_lazy(

        "An overview of your unhandled requests.")

    uh_list = helper.lists.getListContent(

        request, uh_params, filter, 0)

    # construct the Open Requests list

    # only select the requests for the user

    # that haven't been accepted by an admin yet

    filter = {'link_id' : user_entity.link_id,

              'group_accepted' : False}

    ar_params = params.copy()

    ar_params['list_description'] = ugettext_lazy(

        "List of your pending requests.")

    ar_list = helper.lists.getListContent(

        request, ar_params, filter, 1)

    # fill contents with all the needed lists

    contents = [uh_list, ar_list]

    # call the _list method from base to display the list

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

  def _editSeed(self, request, seed):

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

    """

    # fill in the email field with the data from the entity

    seed['user'] = seed['link_id']

    seed['group'] = seed['scope_path']

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

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

    """

    # fill in the email field with the data from the entity

    form.fields['user'].initial = entity.link_id

    form.fields['group'].initial = entity.scope_path

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

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

    """

    # fill in the account field with the user created from email

    fields['link_id'] = fields['requester'].link_id

    fields['scope_path'] = fields['to'].link_id

    fields['scope'] = fields['to']

view = View()

create = view.create

edit = view.edit

delete = view.delete

list = view.list

list_self = view.listSelf

public = view.public