mirror of
https://github.com/danieleteti/delphimvcframework.git
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135 lines
3.2 KiB
ObjectPascal
135 lines
3.2 KiB
ObjectPascal
unit WineCellarAppControllerU;
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interface
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uses
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MVCFramework,
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dorm, dorm.loggers;
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type
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[MVCPath('/')]
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TWineCellarApp = class(TMVCController)
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private
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dormSession: TSession;
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protected
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procedure OnBeforeAction(Context: TWebContext; const AActionNAme: string;
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var Handled: Boolean);
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override;
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procedure OnAfterAction(Context: TWebContext;
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const AActionNAme: string); override;
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public
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[MVCPath]
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[MVCHTTPMethod([httpGET])]
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procedure Index(ctx: TWebContext);
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[MVCPath('/wines')]
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[MVCHTTPMethod([httpGET])]
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procedure WinesList(ctx: TWebContext);
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[MVCPath('/wines')]
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[MVCHTTPMethod([httpPOST])]
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procedure SaveWine(ctx: TWebContext);
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[MVCPath('/wines/search/($value)')]
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procedure FindWines(ctx: TWebContext);
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[MVCPath('/wines/($id)')]
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[MVCHTTPMethod([httpGET, httpDELETE])]
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procedure WineById(ctx: TWebContext);
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[MVCPath('/wines/($id)')]
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[MVCHTTPMethod([httpPUT])]
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procedure UpdateWineById(ctx: TWebContext);
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end;
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implementation
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uses
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System.SysUtils, System.IOUtils, System.Classes, dorm.Commons, WinesBO,
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ObjectsMappers, dorm.ObjectStatus, dorm.Query, System.Generics.Collections;
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procedure TWineCellarApp.FindWines(ctx: TWebContext);
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var
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Wines: TObjectList<TWine>;
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begin
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Wines := dormSession.LoadListSQL<TWine>(
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Select.From(TWine).Where('#TWine.name# containing ? order by #TWine.ID#',
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[ctx.Request.Params['value']]));
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Render<TWine>(Wines);
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end;
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procedure TWineCellarApp.Index(ctx: TWebContext);
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begin
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Redirect('/index.html');
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end;
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procedure TWineCellarApp.OnAfterAction(Context: TWebContext;
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const AActionNAme: string);
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begin
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inherited;
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dormSession.Free;
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end;
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procedure TWineCellarApp.OnBeforeAction(Context: TWebContext;
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const AActionNAme: string;
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var Handled: Boolean);
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begin
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inherited;
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// in real world app, you should avoid to read from disk at every request
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dormSession := TSession.CreateConfigured(
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TStreamReader.Create('dorm.conf', TEncoding.ASCII), deDevelopment);
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end;
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procedure TWineCellarApp.SaveWine(ctx: TWebContext);
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var
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Wine: TWine;
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begin
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Wine := ctx.Request.BodyAs<TWine>;
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dormSession.Persist(Wine);
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dormSession.Commit();
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end;
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procedure TWineCellarApp.UpdateWineById(ctx: TWebContext);
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var
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Wine: TWine;
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begin
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Wine := ctx.Request.BodyAs<TWine>;
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Wine.ObjStatus := osDirty;
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dormSession.Persist(Wine);
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dormSession.Commit();
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Render(200, 'Wine updated');
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end;
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procedure TWineCellarApp.WineById(ctx: TWebContext);
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var
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Wine: TWine;
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begin
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Wine := dormSession.Load<TWine>(ctx.Request.ParamsAsInteger['id']);
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// different behaviour according to the request http method
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case ctx.Request.HTTPMethod of
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httpDELETE:
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begin
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Wine.ObjStatus := osDeleted;
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dormSession.Persist(Wine);
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dormSession.Commit();
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Render(200, 'Wine deleted');
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end;
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httpGET:
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Render(Wine);
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else
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raise Exception.Create('Invalid http method for action');
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end;
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end;
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procedure TWineCellarApp.WinesList(ctx: TWebContext);
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begin
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Render<TWine>(dormSession.ListAll<TWine>);
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end;
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end.
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