public async Task <IEnumerable <FreezerModel> > ProcessNextTaskAsync()
{
FreezerTask task = null;
IEnumerable <FreezerModel> result = null;
lock (this)
{
if (_todo.Count > 0)
{
task = _todo.Dequeue();
_doing.Add(task);
}
}
if (task != null)
{
try
{
result = await _freezeService.SetEnabledAsync(task.FreezerUniqueId, task.IsEnabled);
}
finally
{
lock (this)
{
_doing.Remove(task);
}
}
}
return(result);
}
public void Enqueue(FreezerTask task)
{
if (!DefaultState.Freezers.ContainsKey(task.FreezerUniqueId))
{
throw new ArgumentException($"No freezer with id {task.FreezerUniqueId} found.");
}
lock (this)
{
var existing = _todo.FirstOrDefault(x => x.FreezerUniqueId == task.FreezerUniqueId);
if (existing != null)
{
existing.IsEnabled = task.IsEnabled;
}
else
{
_todo.Enqueue(task);
}
}
}
