#!/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 the User's own profiles.
"""

__authors__ = [
    '"Sverre Rabbelier" <sverre@rabbelier.nl>',
    '"Lennard de Rijk" <ljvderijk@gmail.com>',
    '"Pawel Solyga" <pawel.solyga@gmail.com>',
  ]


import datetime

from google.appengine.api import users

from django import http
from django.utils.encoding import force_unicode
from django.utils.safestring import mark_safe
from django.utils.translation import ugettext

from soc.logic import cleaning
from soc.logic import dicts
from soc.logic import models as model_logic
from soc.logic.models.user import logic as user_logic
from soc.views import helper
from soc.views.helper import access
from soc.views.helper import decorators
from soc.views.helper import widgets
from soc.views.models import base
from soc.views.models import user as user_view

import soc.models.user


class View(base.View):
  """Views for User own profiles.
  """

  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'] = ['deny']
    rights['any_access'] = ['allow']
    rights['create_profile'] = ['checkIsUnusedAccount']
    rights['edit_profile'] = ['checkHasUserEntity']
    rights['roles'] = ['checkIsUser']
    rights['signIn'] = ['checkNotLoggedIn']
    rights['notification'] = ['checkIsUser']

    new_params = {}
    new_params['rights'] = rights
    new_params['logic'] = user_logic

    new_params['name'] = "User"
    new_params['module_name'] = "user_self"
    new_params['url_name'] = "user"

    new_params['create_template'] = 'soc/user/edit_profile.html'
    new_params['edit_template'] = 'soc/user/edit_profile.html'
    new_params['save_message'] = [ugettext('Profile saved.')]
    new_params['edit_redirect'] = '/%(url_name)s/edit_profile'

    # set the specific fields for the users profile page
    new_params['extra_dynaexclude'] = ['former_accounts', 
        'account', 'is_developer']

    new_params['create_extra_dynafields'] = {
        'clean_agreed_to_tos' : cleaning.clean_agrees_to_tos('agreed_to_tos'),
        'clean_link_id': cleaning.clean_user_not_exist('link_id'),}

    new_params['edit_extra_dynafields'] = {
        'clean_link_id': cleaning.clean_link_id('link_id')
        }

    new_params['sidebar_heading'] = 'User (self)'
    new_params['sidebar'] = [
        (users.create_login_url("/"), 'Sign In', 'signIn'),
        ('/' + new_params['url_name'] + '/create_profile', 'Create Profile', 'create_profile'),
        ('/' + new_params['url_name'] + '/edit_profile', 'Edit Profile', 'edit_profile'),
        ('/' + new_params['url_name'] + '/roles', 'Roles', 'roles'),
        ]

    patterns = []

    page_name = ugettext("Create your profile")
    patterns += [(r'^%(url_name)s/(?P<access_type>create_profile)$',
                  'soc.views.models.%(module_name)s.create', page_name)]

    page_name = ugettext("Edit your profile")
    patterns += [(r'^%(url_name)s/(?P<access_type>edit_profile)$',
                  'soc.views.models.%(module_name)s.edit', page_name)]

    page_name = ugettext("List of your roles")
    patterns += [(r'^%(url_name)s/(?P<access_type>roles)$',
                   'soc.views.models.request.list_self', page_name)]
    
    new_params['django_patterns_defaults'] = patterns
    
    params = dicts.merge(params, new_params)

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


  @decorators.merge_params
  @decorators.check_access
  def editProfile(self, request, access_type,
           page_name=None, params=None, seed=None, **kwargs):
    """Displays User profile edit page for the current 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: The Key Fields for the specified entity
    """

    # set the link_id to the current user's link_id
    user_entity = user_logic.getForCurrentAccount()
    link_id = user_entity.link_id

    return self.edit(request, access_type,
           page_name=page_name, params=params, seed=seed, link_id=link_id, **kwargs)


  def editGet(self, request, entity, context, seed, params=None):
    """Overwrite so we can add the contents of the ToS.
    For params see base.View.editGet().
    """

    s_logic = model_logic.site.logic
    site_tos = s_logic.getToS(s_logic.getSingleton())
    if site_tos:
      context['tos_contents'] = site_tos.content

    return super(View, self).editGet(request, entity, context, seed, params=params)

  def editPost(self, request, entity, context, params=None):
    """Overwrite so we can add the contents of the ToS.
    For params see base.View.editPost().
    """

    s_logic = model_logic.site.logic
    site_tos = s_logic.getToS(s_logic.getSingleton())
    if site_tos:
      context['tos_contents'] = site_tos.content

    return super(View, self).editPost(request, entity, context, params=params)


  def _editPost(self, request, entity, fields):
    """See base.View._editPost().
    """

    # fill in the account field with the current User
    fields['account'] = users.User()

    # special actions if there is no ToS present
    s_logic = model_logic.site.logic
    site_tos = s_logic.getToS(s_logic.getSingleton())
    if not site_tos:
      # there is no Terms of Service set
      if not entity:
        # we are a new user so set the agrees_to_tos field to None
        fields['agreed_to_tos'] = None
      else:
        # editing an existing user so no value changes allowed
        fields['agreed_to_tos'] = entity.agreed_to_tos
    else:
      if not entity or not entity.agreed_to_tos:
        # set the time of agreement
        fields['agreed_to_tos_on'] = datetime.datetime.now()

    super(View, self)._editPost(request, entity, fields)


  def getSidebarMenus(self, id, user, params=None):
    """See base.View.getSidebarMenus().
    """

    link_title = ugettext('Notifications')

    filter = {
        'scope': user,
        'unread': True,
        }

    notifications = model_logic.notification.logic.getForFields(filter)
    count = len(list(notifications))

    if count > 0:
      link_title = '<b>%s (%d)</b>' % (force_unicode(link_title), count)
      link_title = mark_safe(link_title)

    items = [('/' + 'notification/list', link_title, 'notification')]

    new_params = {}
    new_params['sidebar_additional'] = items

    params = dicts.merge(params, new_params)

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


view = View()

create = view.create
edit = view.editProfile
export = view.export