Files
mayan-edms/apps/acls/models.py
2012-01-07 23:24:04 -04:00

97 lines
2.8 KiB
Python

from __future__ import absolute_import
import logging
from django.db import models
from django.utils.translation import ugettext_lazy as _
from django.utils.translation import ugettext
from django.contrib.contenttypes.models import ContentType
from django.contrib.contenttypes import generic
from django.core.exceptions import PermissionDenied
from django.core.urlresolvers import reverse
from django.core.exceptions import ObjectDoesNotExist
from django.shortcuts import get_object_or_404
from django.template.defaultfilters import capfirst
from permissions.models import StoredPermission
from .managers import AccessEntryManager, DefaultAccessEntryManager
logger = logging.getLogger(__name__)
class AccessEntry(models.Model):
'''
Model that hold the permission, object, actor relationship
'''
permission = models.ForeignKey(StoredPermission, verbose_name=_(u'permission'))
holder_type = models.ForeignKey(
ContentType,
related_name='access_holder',
limit_choices_to={'model__in': ('user', 'group', 'role')}
)
holder_id = models.PositiveIntegerField()
holder_object = generic.GenericForeignKey(
ct_field='holder_type',
fk_field='holder_id'
)
content_type = models.ForeignKey(
ContentType,
related_name='object_content_type'
)
object_id = models.PositiveIntegerField()
content_object = generic.GenericForeignKey(
ct_field='content_type',
fk_field='object_id'
)
objects = AccessEntryManager()
class Meta:
verbose_name = _(u'access entry')
verbose_name_plural = _(u'access entries')
def __unicode__(self):
return u'%s: %s' % (self.content_type, self.content_object)
class DefaultAccessEntry(models.Model):
'''
Model that holds the permission, class, actor relationship, that will
be added upon the creation of an instance of said class
'''
@classmethod
def get_classes(cls):
return [AccessObjectClass.encapsulate(cls) for cls in _class_permissions.keys()]
permission = models.ForeignKey(StoredPermission, verbose_name=_(u'permission'))
holder_type = models.ForeignKey(
ContentType,
limit_choices_to={'model__in': ('user', 'group', 'role')},
related_name='default_access_entry_holder'
)
holder_id = models.PositiveIntegerField()
holder_object = generic.GenericForeignKey(
ct_field='holder_type',
fk_field='holder_id'
)
content_type = models.ForeignKey(
ContentType,
related_name='default_access_entry_class'
)
objects = DefaultAccessEntryManager()
class Meta:
verbose_name = _(u'default access entry')
verbose_name_plural = _(u'default access entries')
def __unicode__(self):
return u'%s: %s' % (self.content_type, self.content_object)