public static async Task <TResult> ExecuteAsync <TRequest, TResult>(this ControllerBase that, IAsyncAspCommand <TRequest, TResult> command, TRequest request)
{
if (that is ControllerBase)
{
command.SetController((ControllerBase)that);
}
if (CommandRunningConfiguration.Handlers.Length == 0)
{
return(await command.ExecuteExternalAsync(request));
}
return(await ExecuteThroughHandlers(command, request));
}
private static async Task <TResult> ExecuteThroughHandlers <TRequest, TResult>(IAsyncAspCommand <TRequest, TResult> command, TRequest request)
{
var result = default(TResult);
var handlerIndex = 0;
var commandType = command.GetType();
var handlers = RetrieveOrderedHandlers();
await RunHandlersBeforeMethods <IAsyncAspCommand <TRequest, TResult>, TRequest, TResult>(
handlers, commandType, request, handlerIndex);
try
{
result = await command.ExecuteExternalAsync(request);
}
catch (Exception e)
{
var message = $"Failed to run Execute on {handlers[handlerIndex].GetType()}";
await RunHandlersAfterMethods
(handlers, commandType, result, handlerIndex, message);
throw new Exception(message, e);
}
finally
{
await RunHandlersAfterMethods
(handlers, commandType, result, handlerIndex);
}
return(result);
}
public static async Task <TInjectedResult> ExecuteAsync <TRequest, TResult, TInjectedRequest, TInjectedResult>
(this IAsyncAspCommand <TRequest, TResult> extendedCommand, IAsyncAspCommand <TInjectedRequest, TInjectedResult> command, TInjectedRequest request)
{
return(await command.ExecuteExternalAsync(request));
}