# Copyright (c) 2011,  2012 Free Software Foundation

#     This program is free software: you can redistribute it and/or modify
#     it under the terms of the GNU Affero General Public License as
#     published by the Free Software Foundation, either version 3 of the
#     License, or (at your option) any later version.

#     This program is distributed in the hope that it will be useful,
#     but WITHOUT ANY WARRANTY; without even the implied warranty of
#     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#     GNU Affero General Public License for more details.

#     You should have received a copy of the GNU Affero General Public License
#     along with this program.  If not, see <http://www.gnu.org/licenses/>.


"""Template tags and filters for Gstudio's admin"""
from django.template import Library
from django.contrib import comments
from django.contrib.contenttypes.models import ContentType

from gstudio.models import Nodetype
from gstudio.models import Author
from gstudio.models import Metatype
from gstudio.managers import DRAFT
from gstudio.managers import tags_published

register = Library()


@register.inclusion_tag('gstudio/tags/dummy.html')
def get_draft_nodetypes(
    number=5, template='admin/gstudio/widgets/_draft_nodetypes.html'):
    """Return the latest draft nodetypes"""
    return {'template': template,
            'nodetypes': Nodetype.objects.filter(status=DRAFT)[:number]}


@register.inclusion_tag('gstudio/tags/dummy.html')
def get_content_stats(
    template='admin/gstudio/widgets/_content_stats.html'):
    """Return statistics of the contents"""
    content_type = ContentType.objects.get_for_model(Nodetype)

    discussions = comments.get_model().objects.filter(
        is_public=True, content_type=content_type)

    return {'template': template,
            'nodetypes': Nodetype.published.count(),
            'metatypes': Metatype.objects.count(),
            'tags': tags_published().count(),
            'authors': Author.published.count(),
            'comments': discussions.filter(flags=None).count(),
            'pingbacks': discussions.filter(flags__flag='pingback').count(),
            'trackbacks': discussions.filter(flags__flag='trackback').count(),
            'rejects': comments.get_model().objects.filter(
                is_public=False, content_type=content_type).count(),
            }