public static EntityStateWrapperContainer Create(CreateDepartment.CommandModel commandModel)
        {
            var dept = new Department
            {
                Budget = commandModel.Budget,
                InstructorID = commandModel.InstructorID,
                Name = commandModel.Name,
                StartDate = commandModel.StartDate,
            };

            return new EntityStateWrapperContainer().AddEntity(dept);
        }
        public static EntityStateWrapperContainer Create(ContosoUniversity.Domain.Core.Behaviours.Departments.DepartmentCreate.CommandModel commandModel)
        {
            var dept = new Department
            {
                Budget = commandModel.Budget,
                InstructorID = commandModel.InstructorID,
                Name = commandModel.Name,
                StartDate = commandModel.StartDate,
            };

            return new EntityStateWrapperContainer().AddEntity(dept);
        }