#!/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 Site Settings.

"""

__authors__ = [

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

  ]

from django import forms

from django.utils.translation import ugettext

from soc.logic import cleaning

from soc.logic import dicts

from soc.views import out_of_band

from soc.views.helper import access

from soc.views.helper import decorators

from soc.views.helper import redirects

from soc.views.helper import responses

from soc.views.helper import widgets

from soc.views.models import document as document_view

from soc.views.models import presence_with_tos

import soc.models.site

import soc.logic.models.site

import soc.logic.dicts

import soc.logic.system

class View(presence_with_tos.View):

  """View methods for the Document model.

  """

  DEF_DOWN_FOR_MAINTENANCE_MSG = ugettext("Down for maintenance")

  DEF_NOT_IN_MAINTENANCE_MSG = ugettext(

      "The site is currently not in maintenance mode.")

  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 = access.Checker(params)

    rights['unspecified'] = ['checkIsDeveloper']

    rights['any_access'] = ['allow']

    rights['show'] = ['checkIsDeveloper']

    new_params = {}

    new_params['logic'] = soc.logic.models.site.logic

    new_params['rights'] = rights

    new_params['name'] = "Site Settings"

    new_params['name_plural'] = new_params['name']

    new_params['document_prefix'] = 'site'

    new_params['name_short'] = "Site"

    new_params['sidebar_defaults'] = [('/%s/edit', 'Edit %(name)s', 'edit')]

    new_params['sidebar_heading'] = new_params['name_short']

    new_params['edit_template'] = 'soc/site/edit.html'

    new_params['home_template'] = 'soc/site/home.html'

    new_params['create_extra_dynaproperties'] = {

        'link_id': forms.CharField(widget=forms.HiddenInput, required=True),

        'clean_noreply_email': cleaning.clean_empty_field('noreply_email'),

        }

    new_params['edit_extra_dynaproperties'] = {

        'link_id': forms.CharField(widget=forms.HiddenInput, required=True),

        'home_link_id': widgets.ReferenceField(

            reference_url='document', required=False,

            filter_fields={'prefix': new_params['document_prefix']},

            label=ugettext('Home page Document link ID'),

            help_text=soc.models.work.Work.link_id.help_text),

        'tos_link_id': widgets.ReferenceField(

            reference_url='document', required=False,

            filter_fields={'prefix': new_params['document_prefix']},

            label=ugettext('Terms of Service Document link ID'),

            help_text=soc.models.work.Work.link_id.help_text),

        }

    patterns = []

    page_name = "Home Page"

    patterns += [(r'^$', 'soc.views.models.%(module_name)s.main_public', 

                  page_name)]

    page_name = "Maintenance"

    patterns += [(r'^maintenance$', 

                  'soc.views.models.%(module_name)s.maintenance', page_name)]

    page_name = "Edit Site"

    patterns += [(r'^%(url_name)s/(?P<access_type>edit)$',

                  'soc.views.models.%(module_name)s.main_edit',

                  page_name)]

    if soc.logic.system.isDebug():

      patterns += [('^seed_db$', 'soc.models.seed_db.seed', "Seed DB"),

                   ('^clear_db$', 'soc.models.seed_db.clear', "Clear DB"),

                   ('^reseed_db$', 'soc.models.seed_db.reseed', "Reseed DB")]

    new_params['extra_django_patterns'] = patterns

    params = dicts.merge(params, new_params)

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

  def getSidebarMenus(self, id, user, params=None):

    """See base.View.getSidebarMenus.

    Returns a custom sidebar entry for the 'site' singleton.

    """

    entity = self._logic.getSingleton()

    submenus = []

    if entity:

      submenus += document_view.view.getMenusForScope(entity, self._params)

      try:

        rights = self._params['rights']

        rights.setCurrentUser(id, user)

        rights.checkIsHost()

        is_host = True

      except out_of_band.Error:

        is_host = False

      if is_host:

        submenus += [(redirects.getCreateDocumentRedirect(entity, 'site'),

            "Create a New Document", 'any_access')]

        submenus += [(redirects.getListDocumentsRedirect(entity, 'site'),

            "List Documents", 'any_access')]

    new_params = {}

    new_params['sidebar_additional'] = submenus

    params = dicts.merge(params, new_params)

    return super(View, self).getSidebarMenus(id, user, params=params)

  def maintenance(self, request, page_name):

    """Returns a 'down for maintenance' view.

    """

    context = responses.getUniversalContext(request)

    context['page_name'] = page_name

    notice = context.pop('site_notice')

    if not notice:

      context['body_content'] = self.DEF_NOT_IN_MAINTENANCE_MSG

    else:

      context['body_content'] = notice

      context['header_title'] = self.DEF_DOWN_FOR_MAINTENANCE_MSG

      context['sidebar_menu_items'] = [

            {'heading': self.DEF_DOWN_FOR_MAINTENANCE_MSG,

             'group': ''},

            ]

    template = 'soc/base.html'

    return responses.respond(request, template, context=context)

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

    """Displays the main site settings page.

    Args:

      request: the standard Django HTTP request object

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

      kwargs: not used

    """

    keys = self._logic.getKeyFieldNames()

    # No entity in this case, since Site key values are hard-coded for the

    # Site singleton, so pass in None to match parent method footprint.

    values = self._logic.getKeyValuesFromEntity(None)

    key_values = dicts.zip(keys, values)

    return self.home(request, "home", page_name=page_name, **key_values)

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

    """Displays the edit page for the main site settings page.

    Args:

      request: the standard Django HTTP request object

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

      kwargs: not used

    """

    keys = self._logic.getKeyFieldNames()

    # No entity in this case, since Site key values are hard-coded for the

    # Site singleton, so pass in None to match parent method footprint.

    values = self._logic.getKeyValuesFromEntity(None)

    key_values = dicts.zip(keys, values)

    return self.edit(request, "edit", page_name, seed=key_values, **key_values)

view = View()

admin = decorators.view(view.admin)

create = decorators.view(view.create)

edit = decorators.view(view.edit)

delete = decorators.view(view.delete)

list = decorators.view(view.list)

public = decorators.view(view.public)

export = decorators.view(view.export)

main_public = decorators.view(view.mainPublic)

main_edit = decorators.view(view.mainEdit)

maintenance = decorators.view(view.maintenance)

home = decorators.view(view.home)