public static ItemViewModel Create(EvaluationItem model)
{
if (model == null)
return new UndefinedViewModel();
if (string.IsNullOrEmpty(model.Id))
return new NewItemViewModel();
if (model.Status == "deleted")
{
return new DeletedViewModel { Id = model.Id, Name = model.Name, StatisticalWay = model.StatisticalWay };
}
if (model.Links != null && model.Links.Any(o => o.Method == "PATCH"))
{
var vm = new ItemEditViewModel(model);
return vm;
}
return new ItemViewModel
{
Id = model.Id,
Name = model.Name,
StatisticalWay = model.StatisticalWay,
FormulaParams = model.FormulaParams.ConvertTo<IFormulaParams>()
};
}
public ItemEditViewModel(EvaluationItem model)
{
Id = model.Id;
_Name = model.Name;
StatisticalWay = model.StatisticalWay;
FormulaParams = model.FormulaParams.ConvertTo<IFormulaParams>();
Description = model.Description.ConvertTo<IEvaluationItemDescription>();
var obsvr = Observer.Create<FormulaInfo>(o =>
{
if (_updateValues == null)
return;
_updateValues.Formula = o;
});
Observable.FromEventPattern<PropertyChangedEventArgs>(Description, "PropertyChanged")
.Select(args => args.Sender)
.OfType<IEvaluationItemDescription>()
.Subscribe(o =>
{
if (_updateValues == null)
return;
_updateValues.Description = o;
});
SetFormulaOptions = model.FormulaOptions.Select(o =>
{
var vm = o.ConvertTo<IFormulaParams>();
if (vm != null)
Observable.FromEventPattern<PropertyChangedEventArgs>(vm, "PropertyChanged")
.Select(args => args.Sender)
.OfType<IFormulaParams>().Select(p => new FormulaInfo().PopulateWith(p))
.Subscribe(obsvr);
return vm ?? new UnknownFormulaParams();
}).ToList();
_SelectedFormula = SetFormulaOptions.FirstOrDefault(o => FormulaParams != null && FormulaParams.GetType() == o.GetType());
this.WhenAny(x => x.SelectedFormula, x => x.Value)
.Select(o => o == null ? null : new FormulaInfo().PopulateWith(o))
.Subscribe(obsvr);
this.WhenAny(x => x.Name, x => x.Value)
.Subscribe(o =>
{
if (_updateValues == null)
return;
_updateValues.Name = o;
});
IsEditing = true;
_updateValues = new UpateRequestBody();
}