public ExecutionResult Execute()
        {
            var groups = _groupService.GetAll();

            foreach (var group in groups)
            {
                var creator = _groupMemberService.GetGroupMemberByMemberIdAndGroupId(group.CreatorId, group.Id);

                if (creator == null)
                {
                    continue;
                }

                if (creator.IsAdmin)
                {
                    continue;
                }

                creator.IsAdmin = true;
                _groupMemberService.Update(creator);
            }

            return(ExecutionResult.Success);
        }