unit DARBService_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:} DataAbstractService_Impl,
  {Used RODLs:} DataAbstract4_Intf,
  {Generated:} ReportBuilderLibrary_Intf, uDADataStreamer, uDABinAdapter,
  ppBands, ppCache, ppClass, ppProd, ppReport, DB, uDADataTable,
  uDAScriptingProvider, uDACDSDataTable, ppComm, ppRelatv, ppDB, ppDBPipe,
  uDAClasses, uDaInterfaces;

type
  { TDARBService }
  TDARBService = class(TDataAbstractService, IDARBService)
    DASchema: TDASchema;
    ppReport: TppDBPipeline;
    dtReport: TDACDSDataTable;
    dsReport: TDADataSource;
    Report: TppReport;
    ppHeaderBand1: TppHeaderBand;
    ppDetailBand1: TppDetailBand;
    ppFooterBand1: TppFooterBand;
    BinDataStreamer: TDABinDataStreamer;
    procedure DataAbstractServiceActivate(const aClientID: TGUID;
      aSession: TROSession; const aMessage: IROMessage);
    procedure DataAbstractServiceDeactivate(const aClientID: TGUID;
      aSession: TROSession);
  private
    fConnection: IDAConnection;
  protected
    { IDARBService methods }
    function DA_GenReport(const ReportName: string; const DatasetName: string): Binary;
  end;

implementation

{$R *.dfm}
uses
  {Generated:} ReportBuilderLibrary_Invk, ReportBuilder_ServerMain;

procedure Create_DARBService(out anInstance: IUnknown);
begin
  anInstance := TDARBService.Create(nil);
end;

{ DARBService }

function TDARBService.DA_GenReport(const ReportName: string; const DatasetName: string): Binary;
var
  ds: IDADataset;
  s: TMemoryStream;
begin
  s := TMemoryStream.Create;
  result := Binary.Create;
  try
    Report.DataPipeline := ppReport;
    Report.Template.FileName := ReportBuilder_ServerMainForm.AppPath + ReportName;
    Report.Template.LoadFromFile;
    Report.Template.Load;
    ds := DASchema.NewDataset(fConnection, DatasetName);
    BinDataStreamer.WriteDataset(s, ds, [woRows, woSchema], -1);
    BinDataStreamer.ReadDataset(s, dtReport, TRUE, '', TRUE, TRUE);
    Report.DeviceType := 'dtArchive';
    Report.ArchiveFileName := ReportBuilder_ServerMainForm.AppPath + 'ServerArchive.raf';
    Report.Print;
    result.LoadFromFile(ReportBuilder_ServerMainForm.AppPath + 'ServerArchive.raf');
  finally
    s.Free;
  end;
end;

procedure TDARBService.DataAbstractServiceActivate(const aClientID: TGUID;
  aSession: TROSession; const aMessage: IROMessage);
begin
  fConnection := ReportBuilder_ServerMainForm.DAConnectionManager1.NewConnection('ADO', TRUE);
end;

procedure TDARBService.DataAbstractServiceDeactivate(
  const aClientID: TGUID; aSession: TROSession);
begin
  fConnection := nil;
end;

initialization
  TROClassFactory.Create('DARBService', Create_DARBService, TDARBService_Invoker);

finalization

end.