unit srvImpresiones_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, uDADataTable, uDABINAdapter, uDAClasses,
  uDAScriptingProvider, uDABusinessProcessor;

type
  { TsrvImpresiones }
  TsrvImpresiones = class(TDARemoteService, IsrvImpresiones)
    Diagrams: TDADiagrams;
    DABINAdapter: TDABINAdapter;
    bpImpresiones: TDABusinessProcessor;
    schImpresiones: TDASchema;
    DataDictionary: TDADataDictionary;
    procedure DARemoteServiceCreate(Sender: TObject);
    procedure DARemoteServiceBeforeAcquireConnection(Sender: TDARemoteService;
      var ConnectionName: string);
  protected
    { IsrvImpresiones methods }
    function InsertarMarcaImpresion(const NombreTabla: String; const IdTabla: Integer): Boolean;
    function IncrementarMarcaImpresion(const IdMarcaImpresion: Integer): Boolean;
  end;

implementation

{$R *.dfm}
uses
  {Generated:} FactuGES_Invk, uDataModuleServer, uDatabaseUtils;

procedure Create_srvImpresiones(out anInstance : IUnknown);
begin
  anInstance := TsrvImpresiones.Create(NIL);
end;

{ srvImpresiones }
procedure TsrvImpresiones.DARemoteServiceBeforeAcquireConnection(
  Sender: TDARemoteService; var ConnectionName: string);
begin
  ConnectionName := dmServer.ConnectionName;
end;

procedure TsrvImpresiones.DARemoteServiceCreate(Sender: TObject);
begin
  SessionManager := dmServer.SessionManager;
end;

function TsrvImpresiones.IncrementarMarcaImpresion(
  const IdMarcaImpresion: Integer): Boolean;
begin
//
end;

function TsrvImpresiones.InsertarMarcaImpresion(const NombreTabla: String;
  const IdTabla: Integer): Boolean;
begin
var
  ASchema : TDASchema;
  AConn : IDAConnection;
  dsData: IDADataset;

  AWhere : TDAWhereExpression;
  AWhereExpr1: TDAWhereExpression;
  AWhereExpr2: TDAWhereExpression;
begin
  Result := '';

  { Construir la expresión del Where a partir de los parámetros
    que se reciban.
  }
  with TDAWhereBuilder.Create do
    try
      AWhereExpr1 := NewBinaryExpression(NewField('', 'CODIGO'),
                      NewConstant(NombreReferencia, datString),
                      dboEqual);
      if (EmpresaID <> -1) then
      begin
        AWhereExpr2 := NewBinaryExpression(NewField('', 'ID_EMPRESA'),
                        NewConstant(EmpresaID, datInteger),
                        dboEqual);

        AWhere := NewBinaryExpression(AWhereExpr1, AWhereExpr2, dboAnd);
      end
      else
        AWhere := AWhereExpr1;
    finally
      Free;
    end;

  ASchema := schReferencias;
  AConn := dmServer.ConnectionManager.NewConnection(dmServer.ConnectionManager.GetDefaultConnectionName);

  try
    try
      dsData := ASchema.NewDataset(AConn, 'Referencias', ['VALOR'], '', '', False, True);
      dsData.DynamicWhere.Expression := AWhere;
    except
      RaiseError('No existe la tabla REFERENCIAS');
    end;

    dsData.Active := True;

    if dsData.IsEmpty then
      RaiseError('No existe la referencia ' + NombreReferencia + ' en la tabla REFERENCIAS.');

    Result := dsData.FieldByName('VALOR').AsString;
  finally
    dsData := NIL;
  end;

end;

initialization
  TROClassFactory.Create('srvImpresiones', Create_srvImpresiones, TsrvImpresiones_Invoker);

finalization

end.