public async Task <GradeResponse> GetGradeAsync(int codigoGrade)
{
GradeResponse gradeResponse = null;
var grade = await _gradeRepository.GetGradeWithProfessorAndMatriculasAsync(codigoGrade);
if (grade != null)
{
var matriculas = _matriculaService.GetMatriculasBySubgrades(grade.Subgrades);
var alunos = await _alunoService.GetAlunosByMatriculasAsync(matriculas);
gradeResponse = new GradeResponse(grade, alunos);
}
return(gradeResponse);
}