Files
mayan-edms/apps/acls/views.py
2011-11-03 12:04:35 -04:00

202 lines
8.4 KiB
Python

import operator
import itertools
from django.utils.translation import ugettext_lazy as _
from django.http import HttpResponseRedirect, Http404
from django.shortcuts import render_to_response, get_object_or_404
from django.template import RequestContext
from django.contrib import messages
from django.views.generic.list_detail import object_list
from django.core.urlresolvers import reverse
from django.views.generic.create_update import create_object, delete_object, update_object
from django.contrib.contenttypes.models import ContentType
from django.contrib.auth.models import User, Group
from django.core.exceptions import ObjectDoesNotExist
from django.utils.simplejson import loads
from permissions.api import check_permissions, namespace_titles, get_permission_label, get_permission_namespace_label
from permissions.models import Permission
from common.utils import generate_choices_w_labels, encapsulate
from common.widgets import two_state_template
from acls import ACLS_EDIT_ACL, ACLS_VIEW_ACL
from acls.models import AccessEntry, AccessObject, AccessHolder
from acls.widgets import object_w_content_type_icon
def _permission_titles(permission_list):
return u', '.join([get_permission_label(permission) for permission in permission_list])
def acl_list_for(request, obj, extra_context=None):
#check_permissions(request.user, [ACLS_VIEW_ACL])
ct = ContentType.objects.get_for_model(obj)
context = {
#'app_label': ct.app_label,
#'model_name': ct.model,
'object_list': AccessEntry.objects.get_holders_for(obj),
'title': _(u'access control lists for: %s' % obj),
#'multi_select_as_buttons': True,
#'hide_links': True,
'extra_columns': [
#{'name': _(u'holder'), 'attribute': 'label'},
#{'name': _(u'obj'), 'attribute': 'holder_object'},
#{'name': _(u'gid'), 'attribute': 'gid'},
{'name': _(u'holder'), 'attribute': encapsulate(lambda x: object_w_content_type_icon(x.source_object))},
{'name': _(u'permissions'), 'attribute': encapsulate(lambda x: _permission_titles(AccessEntry.objects.get_permissions_for_holder(obj, x.source_object)))},
#{'name': _(u'arguments'), 'attribute': 'arguments'}
],
#'hide_link': True,
'hide_object': True,
'access_object': AccessObject.encapsulate(obj)
}
if extra_context:
context.update(extra_context)
return render_to_response('generic_list.html', context,
context_instance=RequestContext(request))
def acl_list(request, app_label, model_name, object_id):
ct = get_object_or_404(ContentType, app_label=app_label, model=model_name)
obj = get_object_or_404(ct.get_object_for_this_type, pk=object_id)
return acl_list_for(request, obj)
def acl_detail(request, access_object_gid, holder_object_gid):
#check_permissions(request.user, [ACLS_VIEW_ACL, ACLS_EDIT_ACL])
try:
holder = AccessHolder.get(gid=holder_object_gid)
access_object = AccessObject.get(gid=access_object_gid)
except ObjectDoesNotExist:
raise Http404
permission_list = list(set(AccessEntry.objects.get_permissions_for_holder(access_object.source_object, request.user)))
#TODO : get all globally assigned permission, new function get_permissions_for_holder (roles aware)
subtemplates_list = [
{
'name': u'generic_list_subtemplate.html',
'context': {
'title': _(u'permissions held by: %s for %s' % (holder, access_object)),
'object_list': permission_list,
'extra_columns': [
{'name': _(u'namespace'), 'attribute': encapsulate(lambda x: get_permission_namespace_label(x))},
{'name': _(u'name'), 'attribute': encapsulate(lambda x: get_permission_label(x))},
{
'name':_(u'has permission'),
'attribute': encapsulate(lambda x: two_state_template(AccessEntry.objects.has_accesses(x, holder.source_object, access_object.source_object)))
},
],
#'hide_link': True,
'hide_object': True,
}
},
]
return render_to_response('generic_detail.html', {
#'form': form,
'object': access_object.obj,
'subtemplates_list': subtemplates_list,
'multi_select_as_buttons': True,
'multi_select_item_properties': {
'permission_pk': lambda x: x.pk,
'holder_gid': lambda x: holder.gid,
'object_gid': lambda x: access_object.gid,
#'requester_id': lambda x: role.pk,
#'requester_app_label': lambda x: ContentType.objects.get_for_model(role).app_label,
#'requester_model': lambda x: ContentType.objects.get_for_model(role).model,
},
}, context_instance=RequestContext(request))
def acl_grant(request):
check_permissions(request.user, [ACLS_EDIT_ACL])
items_property_list = loads(request.GET.get('items_property_list', []))
post_action_redirect = None
next = request.POST.get('next', request.GET.get('next', request.META.get('HTTP_REFERER', None)))
previous = request.POST.get('previous', request.GET.get('previous', request.META.get('HTTP_REFERER', None)))
items = {}
for item_properties in items_property_list:
permission = get_object_or_404(Permission, pk=item_properties['permission_pk'])
try:
requester = AccessHolder.get(gid=item_properties['holder_gid'])
access_object = AccessObject.get(gid=item_properties['object_gid'])
except ObjectDoesNotExist:
raise Http404
items.setdefault(requester, {})
items[requester].setdefault(access_object, [])
items[requester][access_object].append(permission)
title_suffix = []
for requester, access_objects_dict in items.items():
title_suffix.append(unicode(requester))
for access_object, permissions in access_objects_dict.items():
if len(permissions) == 1:
permissions_label = _(u'permission')
else:
permissions_label = _(u'permissions')
title_suffix.append(permission for permission in permissions)
title_suffix.append(unicode(access_object))
#title_suffix.append(_(u'the permissions'))
#items = access_objects[access_object]
#sorted_items = sorted(items, key=operator.itemgetter('requester'))
# Group items by requester
#groups = itertools.groupby(sorted_items, key=operator.itemgetter('requester'))
#grouped_items = [(grouper, [permission['permission'] for permission in group_data]) for grouper, group_data in groups]
#title_suffix
# Warning: trial and error black magic ahead
#title_suffix.append(_(u' and ').join([_(u'%s to %s') % (', '.join(['"%s"' % unicode(ps) for ps in p]), unicode(r)) for r, p in grouped_items]))
#if len(grouped_items) == 1 and len(grouped_items[0][1]) == 1:
# permissions_label = _(u'permission')
#else:
# permissions_label = _(u'permissions')
#title_suffix.append(_(t
print title_suffix
#title_suffix = _(u' and ').join(title_suffix)
permissions_label = _(u'permissions')
if request.method == 'POST':
for item in items:
if item['permission'].grant_to(item['requester']):
messages.success(request, _(u'Permission "%(permission)s" granted to: %(requester)s.') % {
'permission': item['permission'], 'requester': item['requester']})
else:
messages.warning(request, _(u'%(requester)s, already had the permission "%(permission)s" granted.') % {
'requester': item['requester'], 'permission': item['permission']})
return HttpResponseRedirect(next)
context = {
'delete_view': True,
'previous': previous,
'next': next,
'form_icon': u'key_add.png',
}
context['title'] = _(u'Are you sure you wish to grant the %(permissions_label)s %(title_suffix)s?') % {
'permissions_label': permissions_label,
'title_suffix': title_suffix,
}
if len(grouped_items) == 1:
context['object'] = grouped_items[0][0]
return render_to_response('generic_confirm.html', context,
context_instance=RequestContext(request))