public bool StockMatch(Stock stock, ScreenerCriteriaViewModel viewModel)
{
if (ValueType == CellKind.Number || ValueType == CellKind.Percentage)
{
switch (viewModel.Operation)
{
case CriteriaConstants.Greater: return(GetDecimalValue(stock) > viewModel.NumberValue);
case CriteriaConstants.Lower: return(GetDecimalValue(stock) < viewModel.NumberValue);
case CriteriaConstants.IsEqual: return(GetDecimalValue(stock) == viewModel.NumberValue);
case CriteriaConstants.Different: return(GetDecimalValue(stock) != viewModel.NumberValue);
default: return(true);
}
}
else if (ValueType == CellKind.Text)
{
switch (viewModel.Operation)
{
case CriteriaConstants.IsEqual: return(!string.IsNullOrEmpty(GetStringValue(stock)) && !string.IsNullOrEmpty(viewModel.StringValue) && GetStringValue(stock) == viewModel.StringValue);
case CriteriaConstants.Different: return(string.IsNullOrEmpty(GetStringValue(stock)) || string.IsNullOrEmpty(viewModel.StringValue) || GetStringValue(stock) != viewModel.StringValue);
default: return(true);
}
}
return(true);
}
private GenericScreenerViewModel ManageCriterias(GenericScreenerViewModel viewModel)
{
GenericScreenerViewModel newViewModel;
if (viewModel != null)
{
newViewModel = viewModel;
if (newViewModel.Criterias == null)
{
newViewModel.Criterias = new List <ScreenerCriteriaViewModel>();
}
if (!string.IsNullOrEmpty(viewModel.CriteriaToAdd) && _criteriaFactory.CriteriaExists(viewModel.CriteriaToAdd))
{
var criteria = _criteriaFactory.GetCriteria(viewModel.CriteriaToAdd);
var criteriaViewModel = new ScreenerCriteriaViewModel
{
Name = criteria.DisplayName,
Id = criteria.Id,
Operation = criteria.DefaultOperator,
ValueType = criteria.ValueType
};
newViewModel.Criterias.Add(criteriaViewModel);
}
}
else
{
newViewModel = new GenericScreenerViewModel {
Criterias = new List <ScreenerCriteriaViewModel>()
};
}
if (!string.IsNullOrEmpty(newViewModel.CriteriaToRemove) &&
newViewModel.Criterias.Any(x => x.Id == newViewModel.CriteriaToRemove))
{
var criteria = newViewModel.Criterias.First(x => x.Id == newViewModel.CriteriaToRemove);
newViewModel.Criterias.Remove(criteria);
}
return(newViewModel);
}
