public async Task <TurmaResource> SingleOrDefault(TurmaQueryResource query)
{
try
{
ParameterExpression argParam = Expression.Parameter(typeof(Turma), "e");
Expression nameProperty = Expression.Property(argParam, "NomeTurma");
var val1 = (query.NomeTurma != null) ? Expression.Constant(query.NomeTurma) : null;
var andExp = (val1 != null) ? Expression.Equal(nameProperty, val1) : null;
var lambda = (andExp != null) ? Expression.Lambda <Func <Turma, bool> >(andExp, argParam) : null;
if (lambda == null)
{
throw new Exception("Informe ao menos um parâmetro para a consulta");
}
var turma = await unitOfWork.Turmas.SingleOrDefault(lambda);
var turmaResource = mapper.Map <Turma, TurmaResource>(turma);
return(turmaResource);
}
catch (Exception ex)
{
throw ex;
}
}
public async Task <IActionResult> GetAllFiltered([FromQuery] string nomeTurma = null)
{
try
{
TurmaQueryResource query = new TurmaQueryResource()
{
NomeTurma = nomeTurma
};
var turmas = await service.Find(query);
return(Ok(turmas));
}
catch (Exception)
{
return(NotFound());
}
}
