/// <summary>
/// this method will fetch all projects in which the employee is/was
/// </summary>
/// <param name="employeeId"></param>
/// <returns>returns the list of projects of employee</returns>
public async Task <List <Guid?> > GetEmployeeProjectAsync(Guid employeeId)
{
return(await _projectManagementRepository.GetProjectOfEmployee(employeeId));
}