mirror of
https://github.com/danieleteti/delphimvcframework.git
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127 lines
3.1 KiB
ObjectPascal
127 lines
3.1 KiB
ObjectPascal
unit MainDataModuleUnit;
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interface
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uses
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System.SysUtils,
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System.Classes,
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MVCFramework.Commons,
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Data.DB,
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Data.SqlExpr,
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FireDAC.Stan.Intf,
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FireDAC.Stan.Option,
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FireDAC.Stan.Error,
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FireDAC.UI.Intf,
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FireDAC.Phys.Intf,
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FireDAC.Stan.Def,
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FireDAC.Stan.Pool,
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FireDAC.Stan.Async,
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FireDAC.Phys,
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FireDAC.Comp.Client,
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FireDAC.Stan.Param,
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FireDAC.DatS,
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FireDAC.DApt.Intf,
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FireDAC.DApt,
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FireDAC.Comp.DataSet,
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FireDAC.Phys.IBBase,
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FireDAC.Phys.FB,
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WinesBO,
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FireDAC.Phys.FBDef,
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FireDAC.VCLUI.Wait;
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type
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TWineCellarDataModule = class(TDataModule)
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Connection: TFDConnection;
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qryWines: TFDQuery;
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updWines: TFDUpdateSQL;
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FDPhysFBDriverLink1: TFDPhysFBDriverLink;
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procedure ConnectionBeforeConnect(Sender: TObject);
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public
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function GetWineById(id: Integer): TDataSet;
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function FindWines(Search: string): TDataSet;
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function GetAllWines: TDataSet;
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procedure AddWine(AWine: TWine);
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procedure UpdateWine(AWine: TWine);
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procedure DeleteWine(id: Integer);
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end;
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implementation
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{$R *.dfm}
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uses
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System.StrUtils,
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MVCFramework.FireDAC.Utils;
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{ TCellarSM }
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procedure TWineCellarDataModule.AddWine(AWine: TWine);
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begin
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TFireDACUtils.ObjectToParameters(updWines.Commands[arInsert].Params, AWine, 'NEW_');
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updWines.Commands[arInsert].Execute;
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end;
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procedure TWineCellarDataModule.DeleteWine(id: Integer);
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begin
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updWines.Commands[arDelete].ParamByName('OLD_ID').AsInteger := id;
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updWines.Commands[arDelete].Execute;
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end;
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procedure TWineCellarDataModule.ConnectionBeforeConnect(Sender: TObject);
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var
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lDBPath: string;
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begin
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// if database is defined in .env use that, otherwise try to
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// understand where the database is
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if not dotEnv.Env('database.path').IsEmpty then
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begin
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Connection.Params.Values['Database'] := dotEnv.Env('database.path');
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end
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else
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begin
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if not IsLibrary then
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begin
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// Is compiled as EXE
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Connection.Params.Values['Database'] := ExtractFilePath(ParamStr(0)) + '..\..\WINES_FB30.FDB';
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end
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else
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begin
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// compiled as apache module or isapi
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lDBPath := ExtractFilePath(GetModuleName(HInstance)) + '..\..\..\wine_cellar_sample\winecellarserver\WINES_FB30.FDB';
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if lDBPath.StartsWith('\\?\') then
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lDBPath := lDBPath.Remove(0, 4);
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Connection.Params.Values['Database'] := lDBPath;
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end;
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end;
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end;
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function TWineCellarDataModule.FindWines(Search: string): TDataSet;
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begin
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if Search.IsEmpty then
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qryWines.Open('SELECT * FROM wine')
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else
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qryWines.Open('SELECT * FROM wine where NAME CONTAINING ?', [Search]);
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Result := qryWines;
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end;
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function TWineCellarDataModule.GetAllWines: TDataSet;
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begin
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Result := FindWines('');
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end;
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function TWineCellarDataModule.GetWineById(id: Integer): TDataSet;
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begin
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qryWines.Open('SELECT * FROM wine where id = ?', [id]);
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Result := qryWines;
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end;
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procedure TWineCellarDataModule.UpdateWine(AWine: TWine);
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begin
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TFireDACUtils.ObjectToParameters(updWines.Commands[arUpdate].Params, AWine, 'NEW_');
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updWines.Commands[arUpdate].Params.ParamByName('OLD_ID').AsInteger := AWine.id;
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updWines.Commands[arUpdate].Execute;
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end;
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end.
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