/// <summary>
/// Performs the Transform.
/// </summary>
public override void Transform(Engine engine, Package package)
{
Logger.Debug("Transform");
Initialize(engine, package);
bool includeComponentTemplateData;
if (!package.TryGetParameter("includeComponentTemplateData", out includeComponentTemplateData, Logger))
{
includeComponentTemplateData = true; // Default
}
int expandLinkDepth;
package.TryGetParameter("expandLinkDepth", out expandLinkDepth, Logger);
string[] modelBuilderTypeNames = GetModelBuilderTypeNames();
RenderedItem renderedItem = Engine.PublishingContext.RenderedItem;
Component component = GetComponent();
ComponentTemplate ct = GetComponentTemplate();
try
{
DataModelBuilderSettings settings = new DataModelBuilderSettings
{
ExpandLinkDepth = expandLinkDepth,
GenerateXpmMetadata = IsXpmEnabled || IsPreview
};
DataModelBuilderPipeline modelBuilderPipeline = new DataModelBuilderPipeline(renderedItem, settings, modelBuilderTypeNames);
EntityModelData entityModel = modelBuilderPipeline.CreateEntityModel(component, includeComponentTemplateData ? ct : null);
string entityModelJson = JsonSerialize(entityModel, IsPreview, DataModelBinder.SerializerSettings);
Item outputItem = Package.CreateStringItem(ContentType.Text, entityModelJson);
Package.PushItem(Package.OutputName, outputItem);
}
catch (Exception ex)
{
throw new DxaException($"An error occurred while rendering {component.FormatIdentifier()} with {ct.FormatIdentifier()}", ex);
}
}
private EntityModelData CreateEntityModel(Component component, ComponentTemplate ct, out RenderedItem renderedItem, IEnumerable <string> modelBuilderTypeNames = null)
{
renderedItem = CreateTestRenderedItem(component, ct);
if (modelBuilderTypeNames == null)
{
modelBuilderTypeNames = _defaultModelBuilderTypeNames;
}
DataModelBuilderPipeline testModelBuilderPipeline = new DataModelBuilderPipeline(
renderedItem,
_defaultModelBuilderSettings,
modelBuilderTypeNames,
new TestLogger()
);
EntityModelData result = testModelBuilderPipeline.CreateEntityModel(component, ct);
Assert.IsNotNull(result);
OutputJson(result, DataModelBinder.SerializerSettings);
return(result);
}
