public void AddToGroups(Machine model, CancellationToken ct)
        {
            var groups = GroupNames.GetGroupNames(model);

            foreach (var group in groups)
            {
                var existingGroup = this._context.Groups.Include(o => o.GroupMachines).FirstOrDefaultAsync(o => o.Name.Equals(group), ct).Result;

                if (existingGroup != null && existingGroup.Name == group)
                {
                    if (!existingGroup.GroupMachines.Any(o => o.MachineId.Equals(model.Id)))
                    {
                        existingGroup.GroupMachines.Add(new GroupMachine {
                            GroupId = existingGroup.Id, MachineId = model.Id
                        });
                        this._context.SaveChanges();
                    }
                }
                else
                {
                    var newGroup = new Group();
                    newGroup.Name   = group;
                    newGroup.Status = StatusType.Active;
                    newGroup.GroupMachines.Add(new GroupMachine {
                        GroupId = newGroup.Id, MachineId = model.Id
                    });
                    this._context.Groups.Add(newGroup);
                    this._context.SaveChanges();
                }
            }
        }