def _get_access_diff_updated(self, new_access_list=[]):
"""
gathers Diff with updated operation
"""
updates = Diff(op=Diff.UPDATE)
for current in self.access_set.all():
for new_access in new_access_list:
if new_access == current and current.perm_diff(new_access):
updates.add(new_access)
return updates
def _get_access_diff_deleted(self, new_access_list=[]):
"""
gathers Diff with deleted operation
"""
dels = Diff(op=Diff.DELETE)
# if current access is not in the new list
# it means current access was deleted.
for current in self.access_set.all():
if current not in new_access_list:
dels.add(current)
return dels
def _get_access_diff_added(self, new_access_list=[]):
"""
gathers Diff with added operation
"""
adds = Diff(op=Diff.ADDED)
# if current access is not in the new list
# it means current access was deleted.
all_current = self.access_set.all()
# if new access is not in current access list of the
# node - it means it will be added.
for new_access in new_access_list:
if new_access not in all_current:
adds.add(new_access)
return adds