public async IAsyncEnumerable <List <string> > GetUserToNotifyOnlineAsync(string userId)
{
var dialogs = await dialogProvider.GetModelsBySearchPredicate(x => x.User1Id == userId || x.User2Id == userId);
if (dialogs == null || dialogs.Count == 0)
{
yield break;
}
foreach (var dialog in dialogs)
{
string currentId = dialog.User1Id == userId ? dialog.User2Id : dialog.User1Id;
var userConnections = await connectionCacheService.GetUserConnectionsAsync(currentId);
if (userConnections != null && userConnections.Count > 0)
{
List <string> result = new List <string>();
foreach (var userConnection in userConnections)
{
result.Add(userConnection.Key);
}
yield return(result);
}
}
}
public async Task <Dictionary <string, string> > GetMessageToSendAsync(string message)
{
MessageDto model = JsonConvert.DeserializeObject <MessageDto>(message);
var messagesToSend = await messangerService.GetMessagesToSendAsync(message); // SessionId - key, message - value
var connections = await connectionCacheService.GetUserConnectionsAsync(model.Message.ReceiverId); // ConnectionId - key, SessionId - value
Dictionary <string, string> result = new Dictionary <string, string>(); //ключ - id-conneciton, значение - закриптованное сообщение
foreach (var messageToSend in messagesToSend)
{
string currentConnection = connections?.Values?.FirstOrDefault(x => x == messageToSend.Key) ?? "";
if (string.IsNullOrEmpty(currentConnection)) // сейчас юзер с такой сессией находится в оффлайн либо в фоне
{
//brockerService.PublishMessage(messageToSend.Key, messageToSend.Value);
continue;
}
result.Add(connections.FirstOrDefault(x => x.Value == currentConnection).Key, messageToSend.Value);
}
return(result);
}