#!/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 Programs.
"""

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


from google.appengine.api import users

from django import forms
from django.utils.translation import ugettext_lazy

from soc.logic import cleaning
from soc.logic import dicts
from soc.logic.models import sponsor as sponsor_logic
from soc.logic.models import document as document_logic
from soc.views import helper
from soc.views.helper import access
from soc.views.helper import redirects
from soc.views.models import base
from soc.views.models import sponsor as sponsor_view
from soc.views.models import document as document_view

import soc.logic.models.program


class View(base.View):
  """View methods for the Program 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['any_access'] = [access.allow]
    rights['public'] = [access.allow]

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

    new_params['scope_view'] = sponsor_view
    new_params['scope_redirect'] = redirects.getCreateRedirect

    new_params['name'] = "Program"
    new_params['name_short'] = "Program"
    new_params['name_plural'] = "Programs"
    new_params['url_name'] = "program"
    new_params['module_name'] = "program"

    new_params['extra_dynaexclude'] = ['home']
    new_params['create_extra_dynafields'] = {
        'description': forms.fields.CharField(widget=helper.widgets.TinyMCE(
            attrs={'rows':10, 'cols':40})),
        'scope_path': forms.CharField(widget=forms.HiddenInput, required=True),
        'clean_link_id': cleaning.clean_link_id,
        }

    params = dicts.merge(params, new_params)

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

  def _getItemsForProgram(self, entity, params):
    """Returns the menu items for one specifc program

    Args:
      entity: the program for which the entry should be constructed
      params: a dict with params for this View.
    """

    filter = {
        'scope_path': entity.key().name(),
        'is_featured': True,
        }

    doc_params = document_view.view.getParams()
    entities = document_logic.logic.getForFields(filter)

    submenus = []

    # add a link to the home page
    submenu = {}
    submenu['title'] = "Home"
    submenu['url'] = redirects.getPublicRedirect(entity, params)
    submenus.append(submenu)

    # add a link to all featured documents
    for entity in entities:
      submenu = {}
      submenu['title'] = entity.short_name
      submenu['url'] = redirects.getPublicRedirect(entity, doc_params)
      submenus.append(submenu)

    return submenus

  def getExtraMenus(self, request, params=None):
    """Returns the extra menu's for this view.

    A menu item is generated for each program that is currently
    running. The public page for each program is added as menu item,
    as well as all public documents for that program.

    Args:
      request: unused
      params: a dict with params for this View.
    """

    params = dicts.merge(params, self._params)
    logic = params['logic']

    entities = logic.getForLimitAndOffset(1000)

    menus = []

    for entity in entities:
      menu = {}
      menu['heading'] = entity.short_name
      menu['items'] = self._getItemsForProgram(entity, params)
      menus.append(menu)

    return menus

view = View()

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