public static IDynamicBuilder <T> WithTransformedValue <T, TProperty>(this IDynamicBuilder <T> builder, Expression <Func <T, TProperty> > property, Func <TProperty, TProperty> transformation)
{
Assert.IsNotNull(transformation, nameof(transformation));
var value = builder.GetOverwrittenValue(property);
var transformedValue = transformation(value);
return(WithValue(builder, property, transformedValue));
}
public static TProperty GetOverwrittenValue <T, TProperty>(this IDynamicBuilder <T> builder, Expression <Func <T, TProperty> > property)
{
Assert.IsNotNull(builder, nameof(builder));
Assert.IsNotNull(property, nameof(property));
string name = ExtractMemberAccessor(property).Member.Name;
return
(builder.IsOverwritten(name)
? builder.GetOverwrittenValue <TProperty>(name)
: default(TProperty));
}
public static IDynamicBuilder <T> WithElements <T, TElement>(this IDynamicBuilder <T> builder, Expression <Func <T, IEnumerable <TElement> > > enumerableProperty, IEnumerable <TElement> elements)
{
var value = builder.GetOverwrittenValue(enumerableProperty);
if (value == null)
{
value = elements;
}
else
{
value = value.Concat(elements);
}
return(WithValue(builder, enumerableProperty, value));
}
public static IDynamicBuilder <T> WithBuilderDependentElement <T, TElement>(this IDynamicBuilder <T> builder, Expression <Func <T, IEnumerable <TElement> > > enumerableProperty, Func <IDynamicBuilder <T>, TElement> getElement)
{
Assert.IsNotNull(builder, nameof(builder));
Assert.IsNotNull(getElement, nameof(getElement));
var element = getElement(builder);
var value = builder.GetOverwrittenValue(enumerableProperty);
if (value == null)
{
value = new[] { element }
}
;
else
{
value = value.Concat(new[] { element });
}
return(WithBuilderDependentValue(builder, enumerableProperty, b => value));
}
public static IDynamicBuilder <T> WithElement <T, TElement>(this IDynamicBuilder <T> builder, Expression <Func <T, IEnumerable <TElement> > > enumerableProperty, TElement element)
{
var value = builder.GetOverwrittenValue(enumerableProperty);
if (value == null)
{
value = new[] { element }
}
;
else if (value is ICollection <TElement> collection && !collection.IsReadOnly)
{
collection.Add(element);
}
else
{
value = value.Concat(new[] { element });
}
return(WithValue(builder, enumerableProperty, value));
}
public static TProperty GetOverwrittenValue <TProperty>(this IDynamicBuilder builder, string name) => (TProperty)builder.GetOverwrittenValue(name);