public async Task Handle(ConnectionUpdatedIntegrationEvent @event)
{
var connectionSubscription = new ConnectionSubscription(@event.UserId, @event.OtherId);
var connectionMethod = ConnectionUpdatedMethod.WithArgs(@event.OtherId, @event.Notes, (int)@event.Relationship);
await _publisherService.PublishAsync(connectionSubscription, connectionMethod);
var statusSubscription = new UserStatusSubscription(@event.OtherId);
var connections = await _connectionService.GetConnectionsAsync(@event.UserId);
foreach (var connection in connections)
{
if (@event.Relationship == ConnectionUpdatedIntegrationEvent.RelationshipEnum.Friend)
{
await _subscriptionService.SubscribeAsync(connection, statusSubscription);
var isOnline = await _connectionService.HasConnectionsAsync(@event.OtherId);
var statusMethod = UserStatusUpdatedMethod.WithArgs(@event.OtherId, isOnline ? UserStatus.Online : UserStatus.Offline);
await _publisherService.PublishAsync(connection, statusMethod);
}
else
{
await _subscriptionService.UnsubscribeAsync(connection, statusSubscription);
var statusMethod = UserStatusUpdatedMethod.WithArgs(@event.OtherId, UserStatus.Unknown);
await _publisherService.PublishAsync(connection, statusMethod);
}
}
}
public override async Task <Empty> SubscribeToUsersUpdates(ConnectionsUpdatesRequest request,
ServerCallContext context)
{
_logger.LogInformation(
"Begin grpc call from method {Method} to subscribe to users updates {UsersIds} with connectionId {ConnectionId}",
context.Method,
string.Join(',', request.UsersIds),
request.ConnectionId);
var verifiedConnection =
await _userConnectionService.VerifyConnectionAsync(request.UserId, request.ConnectionId);
if (!verifiedConnection)
{
context.Status = new Status(StatusCode.InvalidArgument, "Invalid connection id.");
return(new Empty());
}
foreach (var userId in request.UsersIds)
{
var userSubscription = new UserSubscription(userId);
await _subscriptionService.SubscribeAsync(request.ConnectionId, userSubscription);
var relationshipSubscription = new ConnectionSubscription(request.UserId, userId);
await _subscriptionService.SubscribeAsync(request.ConnectionId, relationshipSubscription);
}
return(new Empty());
}
public async Task Handle(ConnectionCreatedIntegrationEvent @event)
{
var userSubscription = new UserSubscription(@event.OtherId);
var connectionSubscription = new ConnectionSubscription(@event.UserId, @event.OtherId);
var connectionIds = await _userConnectionService.GetConnectionsAsync(@event.UserId);
foreach (var connectionId in connectionIds)
{
await _subscriptionService.SubscribeAsync(connectionId, userSubscription);
await _subscriptionService.SubscribeAsync(connectionId, connectionSubscription);
}
var method = ConnectionCreatedMethod.WithArgs(@event.OtherId, @event.Name, @event.Tag);
await _publisherService.PublishAsync(connectionSubscription, method);
}
