unit frm_Alergenos;

interface

uses
  Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
  Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.ExtCtrls, Vcl.StdCtrls, Vcl.Grids,
  Vcl.DBGrids, Data.DB, Vcl.Buttons, uAppTheme, FireDAC.Stan.Param, FireDAC.Comp.Client,
  frm_BaseList, Vcl.ComCtrls;

type
  TfrmAlergenos = class(TfrmBaseList)
    procedure FormShow(Sender: TObject);
    procedure FormDestroy(Sender: TObject);
    procedure btnRefreshClick(Sender: TObject); override;
    procedure btnNewClick(Sender: TObject); override;
    procedure btnEditClick(Sender: TObject); override;
    procedure btnDeleteClick(Sender: TObject); override;
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  frmAlergenos: TfrmAlergenos;

implementation

uses
  dmg_Main, frm_AlergenosEditor, uDbErrorHandler;

{$R *.dfm}

procedure TfrmAlergenos.FormShow(Sender: TObject);
begin
  inherited;
  frmAlergenos := Self;
  OnDestroy := FormDestroy;
  pnlSearch.Visible := True;
  lblSearch.Caption := 'Buscar Alérgeno:';
end;

procedure TfrmAlergenos.FormDestroy(Sender: TObject);
begin
  if frmAlergenos = Self then
    frmAlergenos := nil;
end;

procedure TfrmAlergenos.btnRefreshClick(Sender: TObject);
var
  LSql: string;
begin
  FQryMain.Close;
  LSql := 'SELECT id, nombre, nombre_tecnico, icono, activo, cod_alba FROM ge_alergenos ';
  
  if Trim(edtSearch.Text) <> '' then
  begin
    LSql := LSql + 'WHERE nombre LIKE :search OR nombre_tecnico LIKE :search OR cod_alba LIKE :search ';
  end;
  LSql := LSql + 'ORDER BY nombre';
  
  FQryMain.SQL.Text := LSql;
  
  if Trim(edtSearch.Text) <> '' then
    FQryMain.ParamByName('search').AsString := '%' + Trim(edtSearch.Text) + '%';
    
  FQryMain.Open;
  
  dbGridMain.Columns.Clear;
  with dbGridMain.Columns.Add do
  begin
    FieldName := 'nombre';
    Title.Caption := 'Nombre Alérgeno';
    Width := 250;
  end;
  with dbGridMain.Columns.Add do
  begin
    FieldName := 'nombre_tecnico';
    Title.Caption := 'Nombre Técnico';
    Width := 350;
  end;

  with dbGridMain.Columns.Add do
  begin
    FieldName := 'cod_alba';
    Title.Caption := 'Cod. ALBA';
    Width := 100;
  end;
  with dbGridMain.Columns.Add do
  begin
    FieldName := 'activo';
    Title.Caption := 'Activo';
    Width := 70;
  end;
end;

procedure TfrmAlergenos.btnEditClick(Sender: TObject);
begin
  if FQryMain.IsEmpty then Exit;
  
  if not Assigned(frmAlergenosEditor) then
    Application.CreateForm(TfrmAlergenosEditor, frmAlergenosEditor);
  
  frmAlergenosEditor.ParentForm := Self;
  frmAlergenosEditor.AlergenoId := FQryMain.FieldByName('id').AsString;
  if frmAlergenosEditor.ShowModal = mrOk then
    btnRefreshClick(nil);
end;

procedure TfrmAlergenos.btnNewClick(Sender: TObject);
begin
  if not Assigned(frmAlergenosEditor) then
    Application.CreateForm(TfrmAlergenosEditor, frmAlergenosEditor);
  
  frmAlergenosEditor.ParentForm := Self;
  frmAlergenosEditor.AlergenoId := '';
  if frmAlergenosEditor.ShowModal = mrOk then
    btnRefreshClick(nil);
end;

procedure TfrmAlergenos.btnDeleteClick(Sender: TObject);
begin
  if FQryMain.IsEmpty then Exit;
  
  if MessageDlg('¿Está seguro de que desea eliminar este alérgeno?', mtConfirmation, [mbYes, mbNo], 0) = mrYes then
  begin
    try
      dmgMain.qryExec.Close;
      dmgMain.qryExec.SQL.Text := 'DELETE FROM ge_alergenos WHERE id = :id';
      dmgMain.qryExec.ParamByName('id').AsString := FQryMain.FieldByName('id').AsString;
      dmgMain.qryExec.ExecSQL;
      btnRefreshClick(nil);
    except
      on E: Exception do
        TDbErrorHandler.HandleException(E, 'Error al eliminar el alérgeno');
    end;
  end;
end;

end.