#!/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>',

    '"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 import validate

from soc.logic import models

from soc.views import helper

from soc.views.helper import widgets

from soc.views.models import base

import soc.models.sponsor

import soc.logic.models.sponsor

import soc.logic.dicts

import soc.views.helper

import soc.views.helper.widgets

class CreateForm(helper.forms.BaseForm):

  """Django form displayed when creating a Sponsor.

  """

  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.sponsor.Sponsor

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

    exclude = ['scope', 'scope_path', 'founder', 'home']

  # TODO(pawel.solyga): write validation functions for other fields

  def clean_link_id(self):

    link_id = self.cleaned_data.get('link_id')

    if not validate.isLinkIdFormatValid(link_id):

      raise forms.ValidationError("This link ID is in wrong format.")

    if models.sponsor.logic.getFromFields(link_id=link_id):

      raise forms.ValidationError("This link ID is already in use.")

    return link_id

  def clean_feed_url(self):

    feed_url = self.cleaned_data.get('feed_url')

    if feed_url == '':

      # feed url not supplied (which is OK), so do not try to validate it

      return None

    if not validate.isFeedURLValid(feed_url):

      raise forms.ValidationError('This URL is not a valid ATOM or RSS feed.')

    return feed_url

class EditForm(CreateForm):

  """Django form displayed when editing a Sponsor.

  """

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

  founded_by = forms.CharField(widget=helper.widgets.ReadOnlyInput(),

                               required=False)

  def clean_link_id(self):

    link_id = self.cleaned_data.get('link_id')

    if not validate.isLinkIdFormatValid(link_id):

      raise forms.ValidationError("This link ID is in wrong format.")

    return link_id

class View(base.View):

  """View methods for the Sponsor model.

  """

  def __init__(self, original_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:

      original_params: a dict with params for this View 

    """    

    self._logic = soc.logic.models.sponsor.logic

    params = {}

    params['name'] = "Sponsor"

    params['name_short'] = "Sponsor"

    params['name_plural'] = "Sponsors"

    # TODO(pawel.solyga): create url_name and module_name automatically 

    # from name. Make that work for all other Views too. Hopefully 

    # solution that will be implemented in base View.

    params['url_name'] = "sponsor"

    params['module_name'] = "sponsor"

    params['edit_form'] = EditForm

    params['create_form'] = CreateForm

    # TODO(tlarsen): Add support for Django style template lookup

    params['edit_template'] = 'soc/sponsor/edit.html'

    params['public_template'] = 'soc/group/public.html'

    params['list_row'] = 'soc/group/list/row.html'

    params['list_heading'] = 'soc/group/list/heading.html'

    params = dicts.merge(original_params, params)

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

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

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

    """

    # fill in the founded_by with data from the entity

    form.fields['founded_by'].initial = entity.founder.name

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

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

    """

    account = users.get_current_user()

    user = soc.logic.models.user.logic.getForFields({'account': account},

                                                    unique=True)

    if not entity:

      # only if we are creating a new entity we should fill in founder

      fields['founder'] = user

view = View()

create = view.create

delete = view.delete

edit = view.edit

list = view.list

public = view.public