//--------BUSCAR PARA VIAJE--------------------------------------------------------------
public Terminal BuscarParaViaje(string cod)
{
SqlConnection cnn = new SqlConnection(Conexion.CONEXION);
SqlCommand cmd = new SqlCommand("BuscarTerminalParaViaje", cnn);
cmd.CommandType = CommandType.StoredProcedure;
cmd.Parameters.AddWithValue("@codigo", cod);
Terminal terminal = null;
try
{
cnn.Open();
SqlDataReader dr = cmd.ExecuteReader();
if (dr.HasRows)
{
dr.Read();
string codigo = (string)dr[0];
string ciudad = (string)dr[1];
string pais = (string)dr[2];
List <string> facilidades = PersistenciaFacilidadTerminal.CargarFacilidades(codigo);
terminal = new Terminal(codigo, ciudad, pais, facilidades);
}
dr.Close();
}
catch (Exception ex) { throw ex; }
finally { cnn.Close(); }
return(terminal);
}
//------------------ALTA------------------------------------------------------------------------------------------
public void Agregar(Terminal t)
{
SqlConnection cnn = new SqlConnection(Conexion.CONEXION);
SqlCommand cmd = new SqlCommand("AgregarTerminal", cnn);
cmd.CommandType = CommandType.StoredProcedure;
cmd.Parameters.AddWithValue("@codigo", t._Codigo);
cmd.Parameters.AddWithValue("@ciudad", t._Ciudad);
cmd.Parameters.AddWithValue("@pais", t._Pais);
SqlParameter retorno = new SqlParameter();
retorno.Direction = ParameterDirection.ReturnValue;
cmd.Parameters.Add(retorno);
SqlTransaction tran = null;
try
{
cnn.Open();
tran = cnn.BeginTransaction();
cmd.Transaction = tran;
cmd.ExecuteNonQuery();
int ret = Convert.ToInt32(retorno.Value);
if (ret == -1)
{
throw new Exception("Ese codigo de terminal ya existe");
}
else if (ret == -2)
{
throw new Exception("No se pudo agregar la terminal (error SQL)");
}
foreach (string fac in t._Facilidades)
{
PersistenciaFacilidadTerminal.Agregar(fac, t._Codigo, tran);
}
//si llego aca sin romper es porque salio todo ok, entonces...
tran.Commit();
}
catch (Exception ex)
{
tran.Rollback();
throw ex;
}
finally { cnn.Close(); }
}
//------------MODIFICACION---------------------------------------------------------
public void Modificar(Terminal t)
{
SqlConnection cnn = new SqlConnection(Conexion.CONEXION);
SqlCommand cmd = new SqlCommand("ModificarTerminal", cnn);
cmd.CommandType = CommandType.StoredProcedure;
cmd.Parameters.AddWithValue("@codigo", t._Codigo);
cmd.Parameters.AddWithValue("@ciudad", t._Ciudad);
cmd.Parameters.AddWithValue("@pais", t._Pais);
SqlParameter retorno = new SqlParameter();
retorno.Direction = ParameterDirection.ReturnValue;
cmd.Parameters.Add(retorno);
SqlTransaction tran = null;
try
{
cnn.Open();
tran = cnn.BeginTransaction();
cmd.Transaction = tran;
cmd.ExecuteNonQuery();
int ret = Convert.ToInt32(retorno.Value);
if (ret == -1)
{
throw new Exception("Ese codigo de terminal no existe");
}
else if (ret == -2)
{
throw new Exception("No se pudo eliminar la terminal (error SQL)");
}
PersistenciaFacilidadTerminal.Modificar(t, tran);
tran.Commit();
}
catch (Exception ex)
{
tran.Rollback();
throw ex;
}
finally { cnn.Close(); }
}
//------listar----------------------------------
public List <Terminal> Listar()
{
List <Terminal> resp = null;
SqlConnection cnn = new SqlConnection(Conexion.CONEXION);
SqlCommand cmd = new SqlCommand("ListarTerminales", cnn);
cmd.CommandType = CommandType.StoredProcedure;
try
{
cnn.Open();
SqlDataReader dr = cmd.ExecuteReader();
if (dr.HasRows)
{
resp = new List <Terminal>();
Terminal ter = null;
while (dr.Read())
{
string codigo = (string)dr[0];
string ciudad = (string)dr[1];
string pais = (string)dr[2];
List <string> facilidades = PersistenciaFacilidadTerminal.CargarFacilidades((string)dr[0]);
ter = new Terminal(codigo, ciudad, pais, facilidades);
resp.Add(ter);
}
}
dr.Close();
}
catch (Exception ex) { throw ex; }
finally { cnn.Close(); }
return(resp);
}
