/// <inheritdoc/>
public Task SendNotificationsAsync(UserNotification[] userNotifications)
{
foreach (var userNotification in userNotifications)
{
try
{
var onlineClient = _onlineClientManager.GetByUserIdOrNull(userNotification.UserId);
if (onlineClient == null)
{
//User is not online. No problem, go to the next user.
continue;
}
var signalRClient = CommonHub.Clients.Client(onlineClient.ConnectionId);
if (signalRClient == null)
{
Logger.Debug("Can not get user " + userNotification.UserId + " from SignalR hub!");
continue;
}
//TODO: await call or not?
signalRClient.getNotification(userNotification);
}
catch (Exception ex)
{
Logger.Warn("Could not send notification to userId: " + userNotification.UserId);
Logger.Warn(ex.ToString(), ex);
}
}
return(Task.FromResult(0));
}
/// <summary>
/// Determines whether the specified user is online or not.
/// 确定指定的用户是否在线
/// </summary>
/// <param name="onlineClientManager">The online client manager. 在线客户端管理类</param>
/// <param name="userId">User id. 用户Id</param>
public static bool IsOnline(IOnlineClientManager onlineClientManager,long userId)
{
return onlineClientManager.GetByUserIdOrNull(userId) != null;
}
/// <summary>
/// Determines whether the specified user is online or not.
/// </summary>
/// <param name="onlineClientManager">The online client manager.</param>
/// <param name="user">User.</param>
public static bool IsOnline(IOnlineClientManager onlineClientManager, UserIdentifier user)
{
return onlineClientManager.GetByUserIdOrNull(user) != null;
}
/// <summary>
/// Determines whether the specified user is online or not.
/// </summary>
/// <param name="onlineClientManager">The online client manager.</param>
/// <param name="userId">User id.</param>
public static bool IsOnline(IOnlineClientManager onlineClientManager, long userId)
{
return(onlineClientManager.GetByUserIdOrNull(userId) != null);
}
/// <summary>
/// Determines whether the specified user is online or not.
/// </summary>
/// <param name="onlineClientManager">The online client manager.</param>
/// <param name="user">User.</param>
public static bool IsOnline(IOnlineClientManager onlineClientManager, UserIdentifier user)
{
return(onlineClientManager.GetByUserIdOrNull(user) != null);
}