private void PublishModelPrepared <TModel>(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 BaseAgsModel) { IEventPublisher eventPublisher = ServiceProviderFactory.ServiceProvider.GetRequiredService <IEventPublisher>(); //we publish the ModelPrepared event for all models as the BaseAgsModel, //so you need to implement IConsumer<ModelPrepared<BaseAgsModel>> interface to handle this event eventPublisher.ModelPrepared(model as BaseAgsModel); } if (model is IEnumerable <BaseAgsModel> modelCollection) { IEventPublisher eventPublisher = ServiceProviderFactory.ServiceProvider.GetRequiredService <IEventPublisher>(); //we publish the ModelPrepared event for collection as the IEnumerable<BaseAgsModel>, //so you need to implement IConsumer<ModelPrepared<IEnumerable<BaseAgsModel>>> interface to handle this event eventPublisher.ModelPrepared(modelCollection); } }
/// <summary> /// Called after the action executes, before the action result /// </summary> /// <param name="context">A context for action filters</param> public void OnActionExecuted(ActionExecutedContext context) { if (context == null) { throw new ArgumentNullException(nameof(context)); } //check whether this filter has been overridden for the Action var actionFilter = context.ActionDescriptor.FilterDescriptors .Where(filterDescriptor => filterDescriptor.Scope == FilterScope.Action) .Select(filterDescriptor => filterDescriptor.Filter).OfType <PublishModelEventsAttribute>().FirstOrDefault(); //whether to ignore this filter if (actionFilter?.IgnoreFilter ?? _ignoreFilter) { return; } if (context.HttpContext.Request == null) { return; } //model prepared event if (context.Controller is Controller controller && controller.ViewData.Model is BaseNopModel model) { //we publish the ModelPrepared event for all models as the BaseNopModel, //so you need to implement IConsumer<ModelPrepared<BaseNopModel>> interface to handle this event _eventPublisher.ModelPrepared(model); } }