Files
mayan-edms/mayan/apps/permissions/views.py

257 lines
10 KiB
Python

from __future__ import unicode_literals
import itertools
from json import loads
import operator
from django.contrib import messages
from django.contrib.contenttypes.models import ContentType
from django.core.urlresolvers import reverse
from django.core.urlresolvers import reverse_lazy
from django.conf import settings
from django.http import Http404, HttpResponseRedirect
from django.shortcuts import get_object_or_404, render_to_response
from django.template import RequestContext
from django.utils.translation import ugettext_lazy as _
from common.views import (
AssignRemoveView, SingleObjectCreateView, SingleObjectDeleteView,
SingleObjectEditView
)
from common.utils import encapsulate
from common.widgets import two_state_template
from .classes import Member
from .forms import RoleForm, RoleForm_view
from .models import Permission, Role
from .permissions import (
PERMISSION_PERMISSION_GRANT, PERMISSION_PERMISSION_REVOKE,
PERMISSION_ROLE_VIEW, PERMISSION_ROLE_CREATE, PERMISSION_ROLE_DELETE,
PERMISSION_ROLE_EDIT
)
from .utils import get_non_role_members, get_role_members
class RoleCreateView(SingleObjectCreateView):
form_class = RoleForm
model = Role
view_permission = PERMISSION_ROLE_CREATE
success_url = reverse_lazy('permissions:role_list')
class RoleDeleteView(SingleObjectDeleteView):
model = Role
view_permission = PERMISSION_ROLE_DELETE
success_url = reverse_lazy('permissions:role_list')
class RoleEditView(SingleObjectEditView):
model = Role
view_permission = PERMISSION_ROLE_EDIT
class SetupRoleMembersView(AssignRemoveView):
grouped = True
def add(self, item):
member = Member.get(item).source_object
self.role.add_member(member)
def dispatch(self, request, *args, **kwargs):
Permission.objects.check_permissions(request.user, [PERMISSION_ROLE_EDIT])
self.role = get_object_or_404(Role, pk=self.kwargs['role_id'])
self.left_list_title = _('Non members of role: %s') % self.role
self.right_list_title = _('Members of role: %s') % self.role
return super(SetupRoleMembersView, self).dispatch(request, *args, **kwargs)
def left_list(self):
return get_non_role_members(self.role)
def right_list(self):
return get_role_members(self.role)
def remove(self, item):
member = Member.get(item).source_object
self.role.remove_member(member)
def get_context_data(self, **kwargs):
data = super(SetupRoleMembersView, self).get_context_data(**kwargs)
data.update({
'object': self.role,
})
return data
def role_list(request):
Permission.objects.check_permissions(request.user, [PERMISSION_ROLE_VIEW])
context = {
'object_list': Role.objects.all(),
'title': _('Roles'),
'hide_link': True,
}
return render_to_response('appearance/generic_list.html', context,
context_instance=RequestContext(request))
def role_permissions(request, role_id):
Permission.objects.check_permissions(request.user, [PERMISSION_PERMISSION_GRANT, PERMISSION_PERMISSION_REVOKE])
role = get_object_or_404(Role, pk=role_id)
form = RoleForm_view(instance=role)
subtemplates_list = [
{
'name': 'appearance/generic_list_subtemplate.html',
'context': {
'title': _('Permissions'),
'object_list': Permission.objects.all(),
'extra_columns': [
{'name': _('Namespace'), 'attribute': encapsulate(lambda x: x.namespace)},
{'name': _('Name'), 'attribute': encapsulate(lambda x: x.label)},
{
'name': _('Has permission'),
'attribute': encapsulate(lambda x: two_state_template(x.requester_has_this(role))),
},
],
'hide_link': True,
'hide_object': True,
}
},
]
return render_to_response('appearance/generic_form.html', {
'form': form,
'object': role,
'subtemplates_list': subtemplates_list,
'multi_select_item_properties': {
'permission_id': lambda x: x.pk,
'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 permission_grant(request):
Permission.objects.check_permissions(request.user, [PERMISSION_PERMISSION_GRANT])
items_property_list = loads(request.GET.get('items_property_list', []))
next = request.POST.get('next', request.GET.get('next', request.META.get('HTTP_REFERER', reverse(settings.LOGIN_REDIRECT_URL))))
previous = request.POST.get('previous', request.GET.get('previous', request.META.get('HTTP_REFERER', reverse(settings.LOGIN_REDIRECT_URL))))
items = []
for item_properties in items_property_list:
try:
permission = Permission.objects.get({'pk': item_properties['permission_id']})
except Permission.DoesNotExist:
raise Http404
ct = get_object_or_404(ContentType, app_label=item_properties['requester_app_label'], model=item_properties['requester_model'])
requester_model = ct.model_class()
requester = get_object_or_404(requester_model, pk=item_properties['requester_id'])
items.append({'requester': requester, 'permission': permission})
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]
# Warning: trial and error black magic ahead
title_suffix = _(' and ').join([_('%(permissions)s to %(requester)s') % {'permissions': ', '.join(['"%s"' % unicode(ps) for ps in p]), 'requester': unicode(r)} for r, p in grouped_items])
if len(grouped_items) == 1 and len(grouped_items[0][1]) == 1:
permissions_label = _('Permission')
else:
permissions_label = _('Permissions')
if request.method == 'POST':
for item in items:
if item['permission'].grant_to(item['requester']):
messages.success(request, _('Permission "%(permission)s" granted to: %(requester)s.') % {
'permission': item['permission'], 'requester': item['requester']})
else:
messages.warning(request, _('%(requester)s, already had the permission "%(permission)s" granted.') % {
'requester': item['requester'], 'permission': item['permission']})
return HttpResponseRedirect(next)
context = {
'previous': previous,
'next': next,
}
context['title'] = _('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('appearance/generic_confirm.html', context,
context_instance=RequestContext(request))
def permission_revoke(request):
Permission.objects.check_permissions(request.user, [PERMISSION_PERMISSION_REVOKE])
items_property_list = loads(request.GET.get('items_property_list', []))
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:
try:
permission = Permission.objects.get({'pk': item_properties['permission_id']})
except Permission.DoesNotExist:
raise Http404
ct = get_object_or_404(ContentType, app_label=item_properties['requester_app_label'], model=item_properties['requester_model'])
requester_model = ct.model_class()
requester = get_object_or_404(requester_model, pk=item_properties['requester_id'])
items.append({'requester': requester, 'permission': permission})
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]
# Warning: trial and error black magic ahead
title_suffix = _(' and ').join([_('%(permissions)s to %(requester)s') % {'permissions': ', '.join(['"%s"' % unicode(ps) for ps in p]), 'requester': unicode(r)} for r, p in grouped_items])
if len(grouped_items) == 1 and len(grouped_items[0][1]) == 1:
permissions_label = _('permission')
else:
permissions_label = _('permissions')
if request.method == 'POST':
for item in items:
if item['permission'].revoke_from(item['requester']):
messages.success(request, _('Permission "%(permission)s" revoked from: %(requester)s.') % {
'permission': item['permission'], 'requester': item['requester']})
else:
messages.warning(request, _('%(requester)s, doesn\'t have the permission "%(permission)s" granted.') % {
'requester': item['requester'], 'permission': item['permission']})
return HttpResponseRedirect(next)
context = {
'previous': previous,
'next': next,
}
context['title'] = _('Are you sure you wish to revoke 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('appearance/generic_confirm.html', context,
context_instance=RequestContext(request))