unit MainDataModuleUnit; interface uses System.SysUtils, System.Classes, Data.DB, MVCFramework.TypesAliases, FireDAC.Stan.Intf, FireDAC.Stan.Option, FireDAC.Stan.Error, FireDAC.UI.Intf, FireDAC.Phys.Intf, FireDAC.Stan.Def, FireDAC.Stan.Pool, FireDAC.Stan.Async, FireDAC.Phys, FireDAC.Comp.Client, FireDAC.Stan.Param, WinesBO, FireDAC.DatS, FireDAC.DApt.Intf, FireDAC.DApt, FireDAC.Comp.DataSet, FireDAC.Phys.IBBase, FireDAC.Phys.FB, FireDAC.Phys.FBDef, FireDAC.VCLUI.Wait; type TWineCellarDataModule = class(TDataModule) Connection: TFDConnection; qryWines: TFDQuery; updWines: TFDUpdateSQL; FDPhysFBDriverLink1: TFDPhysFBDriverLink; procedure ConnectionBeforeConnect(Sender: TObject); public function GetWineById(id: Integer): TDataSet; function FindWines(Search: string): TDataSet; procedure AddWine(AWine: TWine); procedure UpdateWine(Wine: TWine); procedure DeleteWine(id: Integer); end; implementation uses MVCFramework.Commons, MVCFramework.DataSet.Utils, MVCFramework.SystemJSONUtils, System.StrUtils, MVCFramework.FireDAC.Utils; {$R *.dfm} { TCellarSM } procedure TWineCellarDataModule.AddWine(AWine: TWine); begin TFireDACUtils.ObjectToParameters(updWines.Commands[arInsert].Params, AWine, 'NEW_'); updWines.Commands[arInsert].Execute; end; procedure TWineCellarDataModule.DeleteWine(id: Integer); begin updWines.Commands[arDelete].ParamByName('OLD_ID').AsInteger := id; updWines.Commands[arDelete].Execute; end; procedure TWineCellarDataModule.ConnectionBeforeConnect(Sender: TObject); begin Connection.Params.Values['Database'] := { change this path to be compliant with your system } 'D:\DEV\dmvcframework\samples\winecellarserver\WINES.FDB'; end; function TWineCellarDataModule.FindWines(Search: string): TDataSet; begin if Search.IsEmpty then qryWines.Open('SELECT * FROM wine') else qryWines.Open('SELECT * FROM wine where NAME CONTAINING ?', [Search]); Result := qryWines; end; function TWineCellarDataModule.GetWineById(id: Integer): TDataSet; begin qryWines.Open('SELECT * FROM wine where id = ?', [id]); Result := qryWines; end; procedure TWineCellarDataModule.UpdateWine(Wine: TWine); begin TFireDACUtils.ObjectToParameters(updWines.Commands[arUpdate].Params, Wine, 'NEW_'); updWines.Commands[arUpdate].Params.ParamByName('OLD_ID').AsInteger := Wine.id; updWines.Commands[arUpdate].Execute; end; end.