private FilterModelCollection BuildFilterFromExpression(TwoFactorExpression expression)
{
if (expression == null)
{
return(null);
}
Debug.WriteLine(expression.ToString());
FilterModelCollection collection = new FilterModelCollection();
if (expression.OperatorToken.Text == "and")
{
collection.Operator = LogicOperator.And;
if (expression.LeftExpression != null)
{
var child = this.BuildFilterFromExpression(expression.LeftExpression);
collection.Filters.Add(child);
}
if (expression.RightExpression != null)
{
var child = this.BuildFilterFromExpression(expression.RightExpression);
collection.Filters.Add(child);
}
}
else if (expression.OperatorToken.Text == "or")
{
collection.Operator = LogicOperator.Or;
if (expression.LeftExpression != null)
{
var child = this.BuildFilterFromExpression(expression.LeftExpression);
collection.Filters.Add(child);
}
if (expression.RightExpression != null)
{
var child = this.BuildFilterFromExpression(expression.RightExpression);
collection.Filters.Add(child);
}
}
else
{
if (expression.LeftExpression.LeftExpression != null ||
expression.LeftExpression.RightExpression != null ||
expression.RightExpression.LeftExpression != null ||
expression.RightExpression.RightExpression != null)
{
throw new ArgumentException(
"Non logic expression should not have sub expression",
nameof(expression));
}
FilterModel model = new FilterModel();
model.Name = expression.LeftExpression.ValueToken.Text;
model.Value = expression.RightExpression.ValueToken.Text;
model.Operator = expression.OperatorToken.Text;
collection.Filters.Add(model);
}
return(collection);
}
/// <summary>
/// Clone object
/// </summary>
/// <returns>Cloned object</returns>
public HudBumperStickerType Clone()
{
var clone = (HudBumperStickerType)MemberwiseClone();
clone.Stats = new ObservableCollection <BaseHudRangeStat>(clone.Stats.Select(x => (BaseHudRangeStat)x.Clone()));
clone.FilterModelCollection = FilterModelCollection != null && FilterModelCollection.Any()
? new IFilterModelCollection(FilterModelCollection?.Select(x => (IFilterModel)x.Clone()))
: new IFilterModelCollection();
return(clone);
}
public int GetFiltersHashCode()
{
unchecked
{
var hashcode = 23;
FilterModelCollection.ForEach(model =>
{
var modelHashCode = JsonConvert.SerializeObject(model);
hashcode = (hashcode * 31) + modelHashCode.GetHashCode();
});
return(hashcode);
}
}
