unit uRptRemesasCliente_Server;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, frxClass, frxDBSet, uDAScriptingProvider,
  uDADataTable, uDAMemDataTable, DB, uDAClasses, frxChart, frxGradient,
  frxChBox, frxCross, frxOLE, frxBarcode, frxRich, uDABINAdapter, uROTypes,
  uDAInterfaces, uDADataStreamer, uDABin2DataStreamer, FactuGES_Intf, uROClient;

type
  TRptRemesasCliente = class(TDataModule)
    DADataCabecera: TDADataSource;
    DADataDetalles: TDADataSource;
    tbl_Cabecera: TDAMemDataTable;
    tbl_Detalles: TDAMemDataTable;
    frxRichObject1: TfrxRichObject;
    frxBarCodeObject1: TfrxBarCodeObject;
    frxOLEObject1: TfrxOLEObject;
    frxCrossObject1: TfrxCrossObject;
    frxCheckBoxObject1: TfrxCheckBoxObject;
    frxGradientObject1: TfrxGradientObject;
    frxChartObject1: TfrxChartObject;
    frxDBCabecera: TfrxDBDataset;
    frxDBDetalles: TfrxDBDataset;
    frxReport: TfrxReport;
    Bin2DataStreamer: TDABin2DataStreamer;
    schReport: TDASchema;
    DataDictionary: TDADataDictionary;
    procedure DataModuleCreate(Sender: TObject);
    procedure DataModuleDestroy(Sender: TObject);
  private
    FConnection: IDAConnection;
    procedure _GenerarRemesa(const ID : Integer);

  public
    function GenerarRemesa(const ListaID : TIntegerArray): Binary;

  end;

implementation

{$R *.dfm}

uses
  uSistemaFunc, uDataModuleServer;

const
  rptInforme = 'InfRemesaCliente.fr3';

  { Dataset names for schReport }
  ds_InformeCabecera = 'Informe_Cabecera';
  ds_InformeDetalles = 'Informe_Detalles';


{ TRptRemesaCliente }


procedure TRptRemesasCliente.DataModuleCreate(Sender: TObject);
begin
  schReport.ConnectionManager := dmServer.ConnectionManager;
  FConnection := dmServer.DarNuevaConexion;
  frxReport.EngineOptions.NewSilentMode := simReThrow;

  frxDBCabecera.DataSource := DADataCabecera;
  frxDBCabecera.CloseDataSource := False;

  frxDBDetalles.DataSource := DADataDetalles;
  frxDBDetalles.CloseDataSource := False;
end;

function TRptRemesasCliente.GenerarRemesa(const ListaID: TIntegerArray): Binary;
var
  i: Integer;

begin
  Result := Binary.Create;
  try
    //Vamos generando todos y cada uno de los albaranes recibidos
    for i := 0 to ListaID.Count - 1 do
      _GenerarRemesa(ListaID.Items[i]);
    frxReport.PreviewPages.SaveToStream(Result);
  finally
  end;
end;

procedure TRptRemesasCliente.DataModuleDestroy(Sender: TObject);
begin
  tbl_Cabecera.Active := False;
  tbl_Detalles.Active := False;
end;

procedure TRptRemesasCliente._GenerarRemesa(const ID: Integer);
var
  AInforme: Variant;

begin
  FConnection.BeginTransaction; //<--- Creo que no va a hacer falta. "PUES SI ES NECESARIO"
  try
    tbl_Cabecera.Active := False;
    tbl_Detalles.Active := False;

    tbl_Cabecera.ParamByName('ID').AsInteger := ID;
    tbl_Detalles.ParamByName('ID_REMESA').AsInteger := ID;

    tbl_Cabecera.Active := True;
    tbl_Detalles.Active := True;

    AInforme := DarRutaFichero(DarRutaInformes, rptInforme, tbl_Cabecera.FieldByName('ID_EMPRESA').AsString);
    if VarIsNull(AInforme) then
       raise Exception.Create (('Error Servidor: _GenerarRecibo, no encuentra informe ' + rptInforme));

    frxReport.LoadFromFile(AInforme, True);
    frxReport.PrepareReport(False);
  finally
    FConnection.RollbackTransaction; //<--- Creo que no va a hacer falta. "PUES SI ES NECESARIO"
  end;



{
  AStream := TMemoryStream.Create;

  try
    dsMaster := schReport.NewDataset(FConnection, ds_InformeCabecera, ['ID'], [ID]);
    dsDetail := schReport.NewDataset(FConnection, ds_InformeDetalles, ['ID_REMESA'], [ID], False);

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

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

    AInforme := DarRutaFichero(DarRutaInformes, rptInforme);
    if VarIsNull(AInforme) then
       raise Exception.Create (('Error Servidor: GenerarRemesa, no encuentra informe ' + rptInforme));

    frxReport.LoadFromFile(AInforme, True);
    frxReport.PrepareReport(False);

  finally
    AStream.Free;
    dsMaster := Nil;
    dsDetail := Nil;
  end;
}  
end;

end.