private async Task HandleResultExceptionAsync(HttpContext context, ApiException resultException)
{
string path = context.Request.Path;
if (string.Equals(resultException.GetErrorCode(), NotFoundApiException.TenantNotFound) &&
_tenantSelectorFallbackUrl != null &&
!string.Equals(path, _tenantSelectorFallbackUrl))
{
// redirect to the tenant selector
context.Response.Redirect(_tenantSelectorFallbackUrl);
return;
}
string redirectUrl = null;
if (_webPort == null || context.Connection.LocalPort != _webPort)
{
// we have a call to some API endpoint, so just return the error JSON
if (resultException.Redirect() && (string.IsNullOrEmpty(path) || !path.ToLower().StartsWith("/error")))
{
redirectUrl = GetRedirectUrl(resultException);
}
await resultException.WriteResponseAsync(context, redirectUrl).ConfigureAwait(false);
return;
}
// we have a call to our web interface, we need to go to the error page
// but not twice, because then we'd run in circles
if (!string.IsNullOrEmpty(path) && path.ToLower().StartsWith("/error"))
{
// we ARE already on the error page, use critical fallback URL
context.Response.Redirect(_criticalFallbackUrl);
return;
}
redirectUrl = GetRedirectUrl(resultException);
context.Response.Redirect(redirectUrl);
}