/// <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
PublishModelEventsAttribute 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 Microsoft.AspNetCore.Mvc.Controller controller)
{
if (controller.ViewData.Model is BaseAgsModel model)
{
//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);
}
if (controller.ViewData.Model is IEnumerable <BaseAgsModel> modelCollection)
{
//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 before the action executes, after model binding is complete
/// </summary>
/// <param name="context">A context for action filters</param>
public void OnActionExecuting(ActionExecutingContext context)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
//check whether this filter has been overridden for the Action
PublishModelEventsAttribute 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;
}
//only in POST requests
if (!context.HttpContext.Request.Method.Equals(WebRequestMethods.Http.Post, StringComparison.InvariantCultureIgnoreCase))
{
return;
}
//model received event
foreach (BaseAgsModel model in context.ActionArguments.Values.OfType <BaseAgsModel>())
{
//we publish the ModelReceived event for all models as the BaseAgsModel,
//so you need to implement IConsumer<ModelReceived<BaseAgsModel>> interface to handle this event
_eventPublisher.ModelReceived(model, context.ModelState);
}
}