public async Task <Result <CalcAreaResponseData> > Handle(CalcAreaRequest request, CancellationToken cancellationToken)
{
Figure dbFigure = await _queryFactory.RetrieveFigure(request.FigureId);
if (dbFigure == null)
{
return(Result <CalcAreaResponseData> .MakeFailMessage("figure not found"));
}
Result <Type> descType = _descriptionProvider.GetDescriptionType(dbFigure.Type);
if (descType.Fail)
{
return(Result <CalcAreaResponseData> .MakeFailMessage("figure not found"));
}
if (!(JsonConvert.DeserializeObject(dbFigure.Description, descType.Data)
is IFigureDescription description))
{
return(Result <CalcAreaResponseData> .MakeFailMessage("figure not found"));
}
Result <double> result = _figureCalculator.Calculate(description);
if (result.Success)
{
return(Result <CalcAreaResponseData> .MakeSucces(new CalcAreaResponseData { Area = result.Data }));
}
else
{
return(Result <CalcAreaResponseData> .MakeFail(result.Errors));
}
}