public async Task OnCommand(
ICommand command, CommandContext context,
CancellationToken cancellationToken)
{
if (command is IMetaCommand)
{
goto Skip;
}
var finalHandler = context.ExecutionState.FindFinalHandler();
if (finalHandler?.GetHandlerService(command, context) is not IReplicaService)
{
goto Skip;
}
try {
await context.InvokeRemainingHandlers(cancellationToken).ConfigureAwait(false);
}
catch (HttpRequestException e) {
var isFailedToFetch = StringComparer.Ordinal.Equals(e.Message, "TypeError: Failed to fetch");
if (isFailedToFetch)
{
throw Errors.BackendIsUnreachable(e);
}
throw;
}
return;
Skip:
await context.InvokeRemainingHandlers(cancellationToken).ConfigureAwait(false);
}