public void GetZeroBasedIndexes()
{
// Act
string[] indexes = CollectionModelBinderUtil.GetZeroBasedIndexes().Take(5).ToArray();
// Assert
Assert.Equal(new[] { "0", "1", "2", "3", "4" }, indexes);
}
internal static List <TElement> BindComplexCollectionFromIndexes(
HttpActionContext actionContext,
ModelBindingContext bindingContext,
IEnumerable <string> indexNames
)
{
bool indexNamesIsFinite;
if (indexNames != null)
{
indexNamesIsFinite = true;
}
else
{
indexNamesIsFinite = false;
indexNames = CollectionModelBinderUtil.GetZeroBasedIndexes();
}
List <TElement> boundCollection = new List <TElement>();
foreach (string indexName in indexNames)
{
string fullChildName = ModelBindingHelper.CreateIndexModelName(
bindingContext.ModelName,
indexName
);
ModelBindingContext childBindingContext = new ModelBindingContext(bindingContext)
{
ModelMetadata = actionContext
.GetMetadataProvider()
.GetMetadataForType(null, typeof(TElement)),
ModelName = fullChildName
};
bool didBind = false;
object boundValue = null;
if (actionContext.Bind(childBindingContext))
{
didBind = true;
boundValue = childBindingContext.Model;
// merge validation up
bindingContext.ValidationNode.ChildNodes.Add(
childBindingContext.ValidationNode
);
}
// infinite size collection stops on first bind failure
if (!didBind && !indexNamesIsFinite)
{
break;
}
boundCollection.Add(ModelBindingHelper.CastOrDefault <TElement>(boundValue));
}
return(boundCollection);
}
