private object?BuildState(WidgetDescription description)
{
if (description.Variant?.StateType == null)
{
return(null);
}
object?state;
(bool stateCanBeStored, string stateKey) = WidgetDescription.BuildKey(description);
if (stateCanBeStored &&
(state = stateStore.Get(stateKey)) != null)
{
logger.Trace($"The state with key [{stateKey}] has been restored.");
return(state);
}
state = provider.GetRequiredService(description.Variant.StateType);
if (stateCanBeStored)
{
logger.Trace($"The state with key [{stateKey}] has been stored.");
stateStore.Add(stateKey, state);
}
return(state);
}
public WidgetInfo Build(WidgetDescription description)
{
CheckAndTryUpdateDescription(description);
object mediator = BuildMediator(description);
Guid id = widgetStore.GetNewGuid();
widgetStore.Add(id, mediator);
logger.Trace($"Widget {id:B} [{WidgetDescription.BuildKey(description).key}] has been created.");
return(new WidgetInfo(id, mediator));
}