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# 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/>.
# This project incorporates work covered by the following copyright and permission notice:
# Copyright (c) 2009, Julien Fache
# All rights reserved.
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in
# the documentation and/or other materials provided with the
# distribution.
# * Neither the name of the author nor the names of other
# contributors may be used to endorse or promote products derived
# from this software without specific prior written permission.
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
# STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
# OF THE POSSIBILITY OF SUCH DAMAGE.
# 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/>.
"""Managers of Objectapp"""
from datetime import datetime
from django.db import models
from django.contrib.sites.models import Site
DRAFT = 0
HIDDEN = 1
PUBLISHED = 2
def tags_published():
"""Return the published tags"""
from tagging.models import Tag
from objectapp.models import Gbobject
tags_gbobject_published = Tag.objects.usage_for_queryset(
Gbobject.published.all())
# Need to do that until the issue #44 of django-tagging is fixed
return Tag.objects.filter(name__in=[t.name for t in tags_gbobject_published])
class AuthorPublishedManager(models.Manager):
"""Manager to retrieve published authors"""
def get_query_set(self):
"""Return published authors"""
now = datetime.now()
return super(AuthorPublishedManager, self).get_query_set().filter(
gbobjects__status=PUBLISHED,
gbobjects__start_publication__lte=now,
gbobjects__end_publication__gt=now,
gbobjects__sites=Site.objects.get_current()
).distinct()
def gbobjects_published(queryset):
"""Return only the gbobjects published"""
now = datetime.now()
return queryset.filter(status=PUBLISHED,
start_publication__lte=now,
end_publication__gt=now,
sites=Site.objects.get_current())
class GbobjectPublishedManager(models.Manager):
"""Manager to retrieve published gbobjects"""
def get_query_set(self):
"""Return published gbobjects"""
return gbobjects_published(
super(GbobjectPublishedManager, self).get_query_set())
def on_site(self):
"""Return gbobjects published on current site"""
return super(GbobjectPublishedManager, self).get_query_set(
).filter(sites=Site.objects.get_current())
def search(self, pattern):
"""Top level search method on gbobjects"""
try:
return self.advanced_search(pattern)
except:
return self.basic_search(pattern)
def advanced_search(self, pattern):
"""Advanced search on gbobjects"""
from objectapp.search import advanced_search
return advanced_search(pattern)
def basic_search(self, pattern):
"""Basic search on gbobjects"""
lookup = None
for pattern in pattern.split():
query_part = models.Q(content__icontains=pattern) | \
models.Q(excerpt__icontains=pattern) | \
models.Q(title__icontains=pattern)
if lookup is None:
lookup = query_part
else:
lookup |= query_part
return self.get_query_set().filter(lookup)
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