unit srvMontajes_Impl;

{----------------------------------------------------------------------------}
{ This unit was automatically generated by the RemObjects SDK after reading  }
{ the RODL file associated with this project .                               }
{                                                                            }
{ This is where you are supposed to code the implementation of your objects. }
{----------------------------------------------------------------------------}

interface

uses
  {vcl:} Classes, SysUtils, 
  {RemObjects:} uROClientIntf, uROTypes, uROServer, uROServerIntf, uROSessions,
  {Ancestor Implementation:} DARemoteService_Impl,
  {Used RODLs:} DataAbstract_Intf,
  {Generated:} FactuGES_Intf, uDAClasses, uDAScriptingProvider,
  uDABusinessProcessor, uDADataTable, uDACDSDataTable, DB, frxClass,
  frxDBSet, uDAInterfaces, uDABINAdapter;

type
  { TsrvMontajes }
  TsrvMontajes = class(TDARemoteService, IsrvMontajes)
    bpMontajes: TDABusinessProcessor;
    frxDBCabecera: TfrxDBDataset;
    DADataCabecera: TDADataSource;
    tbl_Montaje: TDACDSDataTable;
    frxDBDetalles: TfrxDBDataset;
    DADataDetalles: TDADataSource;
    tbl_Ficha: TDACDSDataTable;
    DABINAdapter: TDABINAdapter;
    frxReport1: TfrxReport;
    schMontajes: TDASchema;
  private
  protected
    { IsrvMontajes methods }
    function GetNextAutoinc(const Generador: String): Integer;
    function PuedoEliminarMontaje(const Codigo: Integer): Boolean;
    function GenerateReportFicha(const Codigo: Integer): Binary;
    function GenerateReportEtiquetas(const Codigo: Integer; const NumEtiquetas : Integer): Binary;
    function DarNuevaReferencia(const TipoMontaje: String): String;
  end;

implementation

{$R *.dfm}
uses
  {Generated:} FactuGES_Invk, uDataModuleServer, schMontajesClient_Intf;

procedure Create_srvMontajes(out anInstance : IUnknown);
begin
  anInstance := TsrvMontajes.Create(NIL);
end;

{ srvMontajes }
function TsrvMontajes.GetNextAutoinc(const Generador: String): Integer;
begin
  Result := uDataModuleServer.GetNextAutoinc(Connection, Generador);
end;

function TsrvMontajes.PuedoEliminarMontaje(const Codigo: Integer): Boolean;
var
  dsData: IDASQLCommand;
begin
  Result := True;
  Connection.BeginTransaction;
  try
    dsData := schMontajes.NewCommand(Connection, 'Delete_Montajes', ['OLD_CODIGO'], [Codigo]);
  except
    on E: Exception do
       Result := False;
  end;
  Connection.RollbackTransaction;
end;

function TsrvMontajes.GenerateReportFicha(const Codigo: Integer): Binary;
var
  dsMaster: IDADataset;
  dsDetail: IDADataset;
  AStream: TMemoryStream;
begin
  AStream := TMemoryStream.Create;
  Result := Binary.Create;
  try
    dsMaster := schMontajes.NewDataset(Connection, nme_InformeCabeceraFicha, ['CODIGO'], [Codigo]);
    dsDetail := schMontajes.NewDataset(Connection, nme_InformeDetallesFicha, ['CODIGO'], [Codigo], False);
    dsDetail.Active := True;

    AStream.Clear;
    ServiceAdapter.WriteDataset(AStream, dsMaster, [woRows, woSchema], -1);
    ServiceAdapter.ReadDataset(AStream, tbl_Montaje, TRUE, '', TRUE, TRUE);

    AStream.Clear;
    ServiceAdapter.WriteDataset(AStream, dsDetail, [woRows, woSchema], -1);
    ServiceAdapter.ReadDataset(AStream, tbl_Ficha, TRUE, '', TRUE, TRUE);

    frxReport1.LoadFromFile(DarRutaInformes + 'InfFicha.fr3', True);
    frxReport1.PrepareReport;
    frxReport1.PreviewPages.SaveToStream(Result);
  finally
    AStream.Free;
  end;
end;

function TsrvMontajes.GenerateReportEtiquetas(
  const Codigo: Integer; const NumEtiquetas : Integer): Binary;
var
  dsMaster: IDADataset;
  AStream: TMemoryStream;
begin
  AStream := TMemoryStream.Create;
  Result := Binary.Create;
  try
    dsMaster := schMontajes.NewDataset(Connection, nme_Refresh_Montajes, ['CODIGO'], [Codigo]);

    AStream.Clear;
    ServiceAdapter.WriteDataset(AStream, dsMaster, [woRows, woSchema], -1);
    ServiceAdapter.ReadDataset(AStream, tbl_Montaje, TRUE, '', TRUE, TRUE);

    frxReport1.LoadFromFile(DarRutaInformes + 'InfEtiquetasMontajes.fr3', True);
    frxReport1.Variables['NumEtiquetas'] := NumEtiquetas;
    frxReport1.PrepareReport;
    frxReport1.PreviewPages.SaveToStream(Result);
  finally
    AStream.Free;
  end;
end;

function TsrvMontajes.DarNuevaReferencia(const TipoMontaje: String): String;
var
  dsReferencia: IDADataset;
begin
  dsReferencia := schMontajes.NewDataset(Connection, 'DarNuevaReferencia', ['TIPO'], [TipoMontaje]);
  Result := dsReferencia.FieldByName('REFERENCIA').AsString;
end;

initialization
  TROClassFactory.Create('srvMontajes', Create_srvMontajes, TsrvMontajes_Invoker);

finalization

end.