unit srvAlbaranesCliente_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, uDAInterfaces, frxClass, DB, frxDBSet,
  uDACDSDataTable, uDABINAdapter;

type
  { TsrvAlbaranesCliente }
  TsrvAlbaranesCliente = class(TDARemoteService, IsrvAlbaranesCliente)
    bpAlbaranes: TDABusinessProcessor;
    frxDBDetalles: TfrxDBDataset;
    frxDBCabecera: TfrxDBDataset;
    DADataCabecera: TDADataSource;
    DADataDetalles: TDADataSource;
    tbl_AlbaranPago: TDACDSDataTable;
    tbl_DetallesAlbaranPago: TDACDSDataTable;
    DABINAdapter: TDABINAdapter;
    frxReport1: TfrxReport;
    schAlbaranesCliente: TDASchema;
  private
  protected
    function GetNextAutoinc: Integer;    
    function ExisteAlbaranDePresupuesto(const CodigoPresupuesto: Integer; out CodigoAlbaran: Integer): Boolean;
    function GenerateReport(const Codigo: Integer): Binary;
    function DarNuevaReferencia: String;
    function PuedoEliminarAlbaran(const CodigoAlbaran: Integer): Boolean;
    function DarSumaImportes(const FechaIni: DateTime; const FechaFin: DateTime): TstImportes;
  end;

implementation

{$R *.dfm}
uses
  {Generated:} FactuGES_Invk, uDataModuleServer, Forms, Dialogs,
  schAlbaranesClienteClient_Intf;

procedure Create_srvAlbaranesCliente(out anInstance : IUnknown);
begin
  anInstance := TsrvAlbaranesCliente.Create(NIL);
end;

{ TsrvAlbaranesCliente }

function TsrvAlbaranesCliente.DarSumaImportes(const FechaIni,
  FechaFin: DateTime): TstImportes;
var
  dsSuma: IDADataset;
  AImportes : TstImportes;
begin
  Connection.BeginTransaction;
  AImportes := TstImportes.Create;
  dsSuma := schAlbaranesCliente.NewDataset(Connection, nme_DarSumaImportes, ['FECHAINI', 'FECHAFIN'], [FechaIni, FechaFin]);
  try
    dsSuma.Open;
    if dsSuma.RecordCount > 0 then
      with AImportes do
      begin
        BaseImponible := dsSuma.FieldByName(fld_DarSumaImportesBASEIMPONIBLE).AsCurrency;
        ImporteIVA := dsSuma.FieldByName(fld_DarSumaImportesIMPORTEIVA).AsCurrency;
        ImporteTotal := dsSuma.FieldByName(fld_DarSumaImportesIMPORTETOTAL).AsCurrency;
      end;
    Result := AImportes;
  finally
    dsSuma.Close;
  end;
  Connection.RollbackTransaction;
end;

function TsrvAlbaranesCliente.DarNuevaReferencia: String;
var
  dsReferencia: IDADataset;
begin
  dsReferencia := schAlbaranesCliente.NewDataset(Connection, 'DarReferenciaAlbaran');
  dsReferencia.Active := True;
  Result := dsReferencia.FieldByName('REFERENCIA').AsString;
end;

function TsrvAlbaranesCliente.ExisteAlbaranDePresupuesto(
  const CodigoPresupuesto: Integer; out CodigoAlbaran: Integer): Boolean;
var
  ADataSet : IDADataset;
begin
  Result := False;
  ADataSet := schAlbaranesCliente.NewDataset(Connection, nme_AlbaranDePresupuesto);
  ADataSet.ParamByName('CODIGOPRESUPUESTO').AsInteger := CodigoPresupuesto;
  ADataSet.Open;
  if ADataSet.RecordCount > 0 then
  begin
    CodigoAlbaran := ADataSet.FieldByName(fld_AlbaranDePresupuestoCODIGO).AsInteger;
    Result := True;
  end;
  ADataSet.Close;
end;

function TsrvAlbaranesCliente.GenerateReport(const Codigo: Integer): Binary;
var
  dsMaster: IDADataset;
  dsDetail: IDADataset;
  AStream: TMemoryStream;
begin
  AStream := TMemoryStream.Create;
  Result := Binary.Create;
  try
    dsMaster := schAlbaranesCliente.NewDataset(Connection, 'InformeCabeceraAlbaranPago', ['CODIGO'], [Codigo]);
    dsDetail := schAlbaranesCliente.NewDataset(Connection, 'InformeDetallesAlbaranPago', ['CODIGOALBARAN'], [Codigo]);

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

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

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

function TsrvAlbaranesCliente.GetNextAutoinc: Integer;
begin
  Result := uDataModuleServer.GetNextAutoinc(Connection, 'GEN_ALBARANESCLIENTE');
end;

function TsrvAlbaranesCliente.PuedoEliminarAlbaran(
  const CodigoAlbaran: Integer): Boolean;
var
  dsAlbaran: IDASQLCommand;
begin
  Result := True;
  Connection.BeginTransaction;
  try
    dsAlbaran := schAlbaranesCliente.NewCommand(Connection, 'Delete_AlbaranCliente', ['OLD_CODIGO'], [CodigoAlbaran]);
  except
    on E: Exception do
       Result := False;
  end;
  Connection.RollbackTransaction;
end;

initialization
  TROClassFactory.Create('srvAlbaranesCliente', Create_srvAlbaranesCliente, TsrvAlbaranesCliente_Invoker);

finalization

end.