public async Task InvokeAsync(HttpContext context)
{
if (context.Response != null)
{
var responseBody = context.Response.Body;
using (MemoryStream memoryStream = new MemoryStream())
{
context.Response.Body = memoryStream;
await _next.Invoke(context);
context.Response.Body = responseBody;
memoryStream.Seek(0, SeekOrigin.Begin);
var deserializeMemoryStream = JsonConvert.DeserializeObject(new StreamReader(memoryStream).ReadToEnd());
string result = JsonConvert.SerializeObject(ResponseMetadataModel.Create((HttpStatusCode)context.Response.StatusCode, deserializeMemoryStream, null));
await context.Response.WriteAsync(result, Encoding.UTF8);
}
}
}
/// <summary>
/// Handles the exception asynchronous.
/// </summary>
/// <param name="context">The context.</param>
/// <param name="exception">The exception.</param>
/// <returns></returns>
private async Task HandleExceptionAsync(HttpContext context, Exception exception)
{
var result = new ResponseMetadataModel();
context.Response.ContentType = "application/json";
#region Exception
if (exception is BadGatewayException)
{
result.Error = (exception.Message ?? "Kusura bakma! Şu anda bir sorun yaşıyoruz. Lütfen daha sonra dene.");
result.Result = null;
result.StatusCode = HttpStatusCode.BadGateway;
result.Success = false;
context.Response.StatusCode = (int)HttpStatusCode.BadGateway;
}
else if (exception is BadRequestException)
{
result.Error = (exception.Message ?? "Yaptığın istekte bir hata var. Lütfen bilgileri kontrol et.");
result.Result = null;
result.StatusCode = HttpStatusCode.BadRequest;
result.Success = false;
context.Response.StatusCode = (int)HttpStatusCode.BadRequest;
}
else if (exception is InternalServerErrorException)
{
result.Error = (exception.Message ?? "Bir şeyler yanlış gitti. En kısa sürede düzelteceğiz.");
result.Result = null;
result.StatusCode = HttpStatusCode.InternalServerError;
result.Success = false;
context.Response.StatusCode = (int)HttpStatusCode.InternalServerError;
}
else if (exception is NotFoundException)
{
result.Error = (exception.Message ?? "Bulunamadı.");
result.Result = null;
result.StatusCode = HttpStatusCode.NotFound;
result.Success = false;
context.Response.StatusCode = (int)HttpStatusCode.NotFound;
}
else if (exception is RequestTimeoutException)
{
result.Error = (exception.Message ?? "İstek zaman aşımına uğradı.");
result.Result = null;
result.StatusCode = HttpStatusCode.RequestTimeout;
result.Success = false;
context.Response.StatusCode = (int)HttpStatusCode.RequestTimeout;
}
else if (exception is ServiceUnavailableException)
{
result.Error = (exception.Message ?? "Hizmet kullanılamıyor.");
result.Result = null;
result.StatusCode = HttpStatusCode.ServiceUnavailable;
result.Success = false;
context.Response.StatusCode = (int)HttpStatusCode.ServiceUnavailable;
}
else if (exception is ForbiddenException)
{
result.Error = (exception.Message ?? "Giriş iznin yok.");
result.Result = null;
result.StatusCode = HttpStatusCode.Forbidden;
result.Success = false;
context.Response.StatusCode = (int)HttpStatusCode.Forbidden;
}
else if (exception is UnauthorizedException)
{
result.Error = (exception.Message ?? "Yetkili değilsin.");
result.Result = null;
result.StatusCode = HttpStatusCode.Unauthorized;
result.Success = false;
context.Response.StatusCode = (int)HttpStatusCode.Unauthorized;
}
else
{
result.Error = (exception.Message ?? "İşlem sırasında bir hata oluştu.");
result.Result = null;
result.StatusCode = (HttpStatusCode)context.Response.StatusCode;
result.Success = false;
}
#endregion
Log.Error(exception, exception.Message);
await context.Response.WriteAsync(JsonConvert.SerializeObject(result), Encoding.UTF8);
}
