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using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.Mvc.ViewComponents;
using Nop.Core.Events;
using Nop.Core.Infrastructure;
using Nop.Web.Framework.Events;
using Nop.Web.Framework.Models;
namespace Nop.Web.Framework.Components;
///
/// Base class for ViewComponent in nopCommerce
///
public abstract partial class NopViewComponent : ViewComponent
{
protected virtual void PublishModelPrepared(TModel model)
{
//Components are not part of the controller life cycle.
//Hence, we could no longer use Action Filters to intercept the Models being returned
//as we do in the /Nop.Web.Framework/Mvc/Filters/PublishModelEventsAttribute.cs for controllers
//model prepared event
if (model is BaseNopModel)
{
var eventPublisher = EngineContext.Current.Resolve();
//we publish the ModelPrepared event for all models as the BaseNopModel,
//so you need to implement IConsumer> interface to handle this event
eventPublisher.ModelPreparedAsync(model as BaseNopModel).Wait();
}
if (model is IEnumerable modelCollection)
{
var eventPublisher = EngineContext.Current.Resolve();
//we publish the ModelPrepared event for collection as the IEnumerable,
//so you need to implement IConsumer>> interface to handle this event
eventPublisher.ModelPreparedAsync(modelCollection).Wait();
}
}
///
/// Returns a result which will render the partial view with name
/// The name of the partial view to render.
/// The model object for the view.
/// A
public new ViewViewComponentResult View(string viewName, TModel model)
{
PublishModelPrepared(model);
//invoke the base method
return base.View(viewName, model);
}
///
/// Returns a result which will render the partial view
///
/// The model object for the view.
/// A
public new ViewViewComponentResult View(TModel model)
{
PublishModelPrepared(model);
//invoke the base method
return base.View(model);
}
///
/// Returns a result which will render the partial view with name viewName
///
/// The name of the partial view to render.
/// A
public new ViewViewComponentResult View(string viewName)
{
//invoke the base method
return base.View(viewName);
}
}