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LuisLeon_FactuGES/Source/Modulos/Recibos de cliente/Reports/uRptRecibosCliente_Server.pas

93 lines
2.7 KiB
ObjectPascal

unit uRptRecibosCliente_Server;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, frxClass, frxDBSet, uDAScriptingProvider,
uDADataTable, uDACDSDataTable, DB, uDAClasses, frxChart, frxGradient,
frxChBox, frxCross, frxOLE, frxBarcode, frxRich, uDABINAdapter, uROTypes,
uDAInterfaces;
type
TRptRecibosCliente = class(TDataModule)
DADataCabecera: TDADataSource;
tbl_Cabecera: TDACDSDataTable;
DABINAdapter: TDABINAdapter;
frxRichObject1: TfrxRichObject;
frxBarCodeObject1: TfrxBarCodeObject;
frxOLEObject1: TfrxOLEObject;
frxCrossObject1: TfrxCrossObject;
frxCheckBoxObject1: TfrxCheckBoxObject;
frxGradientObject1: TfrxGradientObject;
frxChartObject1: TfrxChartObject;
frxDBCabecera: TfrxDBDataset;
DADataCompensados: TDADataSource;
frxDBCompensados: TfrxDBDataset;
tbl_Compensados: TDACDSDataTable;
schReport: TDASchema;
DataDictionary: TDADataDictionary;
frxReport: TfrxReport;
procedure DataModuleCreate(Sender: TObject);
private
FConnection: IDAConnection;
public
function GenerarRecibo(const ID : Integer): Binary;
end;
implementation
{$R *.dfm}
uses
uDataModuleServer;
const
rptInforme = 'InfReciboCliente.fr3';
{ Dataset names for schReport }
ds_InformeCabecera = 'Informe_Cabecera';
ds_InformeCompensados = 'Informe_Compensados';
{ TRptReciboCliente }
procedure TRptRecibosCliente.DataModuleCreate(Sender: TObject);
begin
schReport.ConnectionManager := dmServer.ConnectionManager;
FConnection := dmServer.DarNuevaConexion;
frxReport.EngineOptions.NewSilentMode := simReThrow;
end;
function TRptRecibosCliente.GenerarRecibo(const ID: Integer): Binary;
var
dsMaster: IDADataset;
dsCompensados : IDADataset;
AStream: TMemoryStream;
begin
AStream := TMemoryStream.Create;
Result := Binary.Create;
FConnection.BeginTransaction;
try
dsMaster := schReport.NewDataset(FConnection, ds_InformeCabecera, ['ID'], [ID]);
dsCompensados := schReport.NewDataset(FConnection, ds_InformeCompensados, ['ID_RECIBO'], [ID], False);
AStream.Clear;
DABINAdapter.WriteDataset(AStream, dsMaster, [woRows, woSchema], -1);
DABINAdapter.ReadDataset(AStream, tbl_Cabecera, TRUE, '', TRUE, TRUE);
AStream.Clear;
DABINAdapter.WriteDataset(AStream, dsCompensados, [woRows, woSchema], -1);
DABINAdapter.ReadDataset(AStream, tbl_Compensados, TRUE, '', TRUE, TRUE);
frxReport.LoadFromFile(DarRutaInformes + rptInforme, True);
frxReport.PrepareReport;
frxReport.PreviewPages.SaveToStream(Result);
finally
AStream.Free;
FConnection.RollbackTransaction;
end;
end;
end.