public async Task RefreshObserverMessagesAsync()
{
try
{
OnOperationStart?.Invoke(this, 2);
var new_messages = await Online.GetNewMessagesAsync();
OnOperationStep?.Invoke(this, null);
if (new_messages.Any())
{
var ins_codes = new_messages.Where(x => x.RelativeInstances != null).SelectMany(x => x.RelativeInstances);
var miss = ins_codes.Where(x => !WebService.Instruments.Any(y => y.InsCode == x)).Distinct().ToList();
if (miss.Any())
{
await SaveWebServiceInstruments();
}
await Storage.SaveMessagesAsync(new_messages.Reverse());
}
OnOperationStep?.Invoke(this, null);
OnOperationCompleted?.Invoke(this, EventArgs.Empty);
}
catch (Exception exception)
{
_logger.Error("RefreshObserverMessages", exception);
OnOperationCompleted?.Invoke(this, EventArgs.Empty);
}
}