/// <summary>
/// Called asynchronously before the action, after model binding is complete.
/// </summary>
/// <param name="context">A context for action filters</param>
/// <returns>A task that represents the asynchronous operation</returns>
private async Task PublishModelReceivedEventAsync(ActionExecutingContext context)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
//only in POST requests
if (!context.HttpContext.Request.Method.Equals(WebRequestMethods.Http.Post, StringComparison.InvariantCultureIgnoreCase))
{
return;
}
if (IgnoreFilter(context))
{
return;
}
//model received event
foreach (var model in context.ActionArguments.Values.OfType <BaseNopModel>())
{
//we publish the ModelReceived event for all models as the BaseNopModel,
//so you need to implement IConsumer<ModelReceived<BaseNopModel>> interface to handle this event
await _eventPublisher.ModelReceivedAsync(model, context.ModelState);
}
}
/// <summary>
/// Called asynchronously before the action, after model binding is complete.
/// </summary>
/// <param name="context">A context for action filters</param>
/// <returns>A task that on completion indicates the necessary filter actions have been executed</returns>
private async Task PublishModelReceivedEventAsync(ActionExecutingContext context)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
if (context.HttpContext.Request == null)
{
return;
}
//only in POST requests
if (!context.HttpContext.Request.Method.Equals(WebRequestMethods.Http.Post, StringComparison.InvariantCultureIgnoreCase))
{
return;
}
//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;
}
//model received event
foreach (var model in context.ActionArguments.Values.OfType <BaseNopModel>())
{
//we publish the ModelReceived event for all models as the BaseNopModel,
//so you need to implement IConsumer<ModelReceived<BaseNopModel>> interface to handle this event
await _eventPublisher.ModelReceivedAsync(model, context.ModelState);
}
}