public static void Register(ICrocoApplication application)
{
//Подписка обработчиками сообщений на сообщения
application.AddMessageHandler <ChatCreatedEvent, ChatCreatedEventHandler>();
application.AddMessageHandler <ChatRelationUpdatedEvent, ChatRelationUpdatedEventHandler>();
application.AddMessageHandler <WebAppRequestContextLog, CrocoWebAppRequestContextLogHandler>();
ChatOptimizations.AddRelationsFromDatabase().GetAwaiter().GetResult();
LogApplicationInit();
}
public override Task HandleMessage(ChatCreatedEvent model)
{
ChatOptimizations.AddRelations(model.UserIds.Select(x => new ChatUserRelation
{
ChatId = model.ChatId,
UserId = x,
LastVisitUtcTicks = 0, //Чат только что был создан поэтому нормально
}).ToList());
return(Task.CompletedTask);
}
public override async Task HandleMessage(ChatRelationUpdatedEvent model)
{
var relationSafe = await new CrocoTransactionHandler(() => new SystemCrocoAmbientContext()).ExecuteAndCloseTransactionSafe(amb =>
{
return(amb.RepositoryFactory.Query <ApplicationChatUserRelation>().Select(x => new ChatUserRelation
{
ChatId = x.ChatId,
UserId = x.UserId,
LastVisitUtcTicks = x.LastVisitUtcTicks
}).FirstOrDefaultAsync(x => x.UserId == model.UserId && x.ChatId == model.ChatId));
});
if (relationSafe.IsSucceeded && relationSafe.Value != null)
{
ChatOptimizations.OnChatRelationUpdated(relationSafe.Value);
}
}
