unit uDataModuleFacturasProforma;

interface

uses
  SysUtils, Classes, DB, uDADataTable, uDABINAdapter,
  uDAScriptingProvider, uDACDSDataTable, uROWinInetHttpChannel, uROTypes,
  uRORemoteService, uROClient, uROBinMessage,

  uIDataModuleFacturasProforma, uBizFacturasProforma, uBizDetallesFacturaProforma,
  uDADesigntimeCall, uDataModuleBase, uDAInterfaces, uDAMemDataTable,
  uDADataStreamer, uDABin2DataStreamer, uDARemoteDataAdapter, uIntegerListUtils,
  uIDataModuleFacturasProformaReport;

type
  TDataModuleFacturasProforma = class(TDataModuleBase, IDataModuleFacturasProforma, IDataModuleFacturasProformaReport)
    RORemoteService: TRORemoteService;
    rda_FacturasProforma: TDARemoteDataAdapter;
    Bin2DataStreamer: TDABin2DataStreamer;
    tbl_FacturasProforma: TDAMemDataTable;
    ds_FacturasProforma: TDADataSource;
    tbl_FacturasProforma_Detalles: TDAMemDataTable;
    ds_FacturasProforma_Detalles: TDADataSource;
    tbl_ListaAnosFacturas: TDAMemDataTable;
    ds_ListaAnosFacturas: TDADataSource;
    procedure DAClientDataModuleCreate(Sender: TObject);
  private
    function _GetDetalles : IBizDetallesFacturaProforma;
  public
    function GetAnosItems : TStringList;
    function GetItems : IBizFacturaProforma;
    function GetItem(const ID : Integer) : IBizFacturaProforma;
    function NewItem : IBizFacturaProforma;

    // Report
    function GetRptFacturas(const AListaID: TIntegerList): Binary;
    function GetRptPDFFactura(const AID: Integer): Binary;
  end;

implementation

{$R *.DFM}

uses
  FactuGES_Intf, uDataModuleConexion, uDataTableUtils, cxControls,
  schFacturasProformaClient_Intf, uBizContactos, Dialogs;

{ TdmPresupuestos }

procedure TDataModuleFacturasProforma.DAClientDataModuleCreate(Sender: TObject);
begin
  RORemoteService.Channel := dmConexion.Channel;
  RORemoteService.Message := dmConexion.Message;
end;

function TDataModuleFacturasProforma.GetRptFacturas(const AListaID: TIntegerList): Binary;
var
  AParam : TIntegerArray;
begin
  AParam := AListaID.ToIntegerArray;
  try
    Result := (RORemoteService as IsrvFacturasProforma).GenerarInforme(AParam);
  finally
    FreeANDNIL(AParam);
  end;
end;

function TDataModuleFacturasProforma.GetRptPDFFactura(const AID: Integer): Binary;
var
  AParam : TIntegerArray;
begin
  AParam := TIntegerArray.Create;
  try
    AParam.Add(AID);
    Result := (RORemoteService as IsrvFacturasProforma).GenerarInformeEnPDF(AParam);
  finally
    FreeANDNIL(AParam);
  end;
end;

function TDataModuleFacturasProforma.NewItem: IBizFacturaProforma;
begin
  Result := GetItem(ID_NULO)
end;

function TDataModuleFacturasProforma._GetDetalles: IBizDetallesFacturaProforma;
var
  ADetalles : TDAMemDataTable;
begin
  ShowHourglassCursor;
  try
    ADetalles := CloneDataTable(tbl_FacturasProforma_Detalles);
    with ADetalles do
    begin
      BusinessRulesID := BIZ_CLIENT_DETALLES_FACTURA_PROFORMA;
      DetailOptions := DetailOptions - [dtDisableLogOfCascadeDeletes, dtDisableLogOfCascadeUpdates];
    end;
    Result := (ADetalles as IBizDetallesFacturaProforma);
  finally
    HideHourglassCursor;
  end;
end;

function TDataModuleFacturasProforma.GetItem(const ID: Integer): IBizFacturaProforma;
var
  Condicion: TDAWhereExpression;
begin
  ShowHourglassCursor;
  try
    Result := Self.GetItems;

    with Result.DataTable.DynamicWhere do
    begin
      // (ID = :ID)
      Condicion := NewBinaryExpression(NewField('', fld_FacturasProformaID), NewConstant(ID, datInteger), dboEqual);

      if IsEmpty then
         Expression := Condicion
      else
         Expression := NewBinaryExpression(Expression, Condicion, dboAnd);
    end;

  finally
    HideHourglassCursor;
  end;
end;

function TDataModuleFacturasProforma.GetAnosItems: TStringList;
var
  AListaAnos: TStringList;
begin
  AListaAnos := TStringList.Create;
  ShowHourglassCursor;
  try
    with tbl_ListaAnosFacturas do
    begin
      Open;
      First;
      while not eof do
      begin
        AListaAnos.Add(Format('%s=%s', [Fields[0].AsString, Fields[0].AsString]));
        Next;
      end;
      Close;
    end;
    Result := AListaAnos;
  finally
    HideHourglassCursor;
  end;
end;

function TDataModuleFacturasProforma.GetItems: IBizFacturaProforma;
var
  AFactura : TDAMemDataTable;
begin
  ShowHourglassCursor;
  try
    AFactura := CloneDataTable(tbl_FacturasProforma);

    // EL CAMPO REFERENCIA TIENE QUE SER AUTOREFRESH!!!!!
    AFactura.FieldByName(fld_FacturasProformaREFERENCIA).ServerAutoRefresh := TRUE;

    AFactura.BusinessRulesID := BIZ_CLIENT_FACTURA_PROFORMA;

    with TBizFacturaProforma(AFactura.BusinessEventsObj) do
    begin
      Detalles := _GetDetalles;
    end;

    Result := (AFactura as IBizFacturaProforma);
  finally
    HideHourglassCursor;
  end;
end;

end.