public async Task <IHttpResponse> HandleExceptionAsync(Exception ex,
MethodInfo method, KeyValuePair <ParameterInfo, object>[] queryParameters,
IApplication httpApp, IHttpRequest routeData,
HandleExceptionDelegate continueExecution)
{
if (deactivated)
{
return(await continueExecution(ex, method, queryParameters,
httpApp, routeData));
}
var message = await CreateMessageCardAsync(ex, method, httpApp, routeData);
try
{
var response = await message.SendAsync(teamsHookUrl);
} catch (HttpRequestException)
{
}
return(await continueExecution(ex, method, queryParameters,
httpApp, routeData));
}
private static bool TryGetInvoke(Type handlerType, out HandleExceptionDelegate handler)
{
if (_handlers.TryGetValue(handlerType, out handler))
{
return(true);
}
lock (_syncHelper)
{
if (_handlers.TryGetValue(handlerType, out handler))
{
return(true);
}
var search = from it in handlerType.GetTypeInfo().GetMethods()
let parameters = it.GetParameters()
where it.Name == "HandleExceptionAsync" && it.ReturnType == typeof(Task) && parameters.FirstOrDefault()?.ParameterType == typeof(ExceptionContext)
select it;
MethodInfo handleExceptionAsyncMethod = search.FirstOrDefault();
if (null == handleExceptionAsyncMethod)
{
return(false);
}
ParameterExpression handlerParameter = Expression.Parameter(typeof(object), "handler");
ParameterExpression contextParameter = Expression.Parameter(typeof(ExceptionContext), "exceptionContext");
ParameterExpression serviceProviderParameter = Expression.Parameter(typeof(IServiceProvider), "serviceProvider");
var arguments = handleExceptionAsyncMethod.GetParameters().Select(it => GetArgument(contextParameter, serviceProviderParameter, it.ParameterType));
Expression instance = Expression.Convert(handlerParameter, handlerType);
var handleExceptionAsync = Expression.Call(instance, handleExceptionAsyncMethod, arguments);
handler = Expression.Lambda <HandleExceptionDelegate>(handleExceptionAsync, handlerParameter, contextParameter, serviceProviderParameter).Compile();
_handlers[handlerType] = handler;
}
return(true);
}
