public async Task <bool> ConnectNotificationsAsync(Func <FilePublishedNotification, Task> filePublishedHandler)
{
if (LoggedInUser == null)
{
return(false);
}
try
{
var hr = await apiService.NotificationsConnectSignalR(new SignalRHubConnectNotificationRequest { }, authToken.ToString(), userId.ToString());
if (string.IsNullOrWhiteSpace(hr.AccessToken) || string.IsNullOrWhiteSpace(hr.Url))
{
return(false);
}
hub = new HubConnectionBuilder().WithUrl(hr.Url, options =>
{
options.AccessTokenProvider = () =>
{
return(Task.FromResult(hr.AccessToken));
};
})
.Build();
hub.On <byte[]>("OnFilePublished",
b =>
{
var n = FilePublishedNotification.FromBytes(b);
if (n != null)
{
_ = filePublishedHandler(n);
}
});
await hub.StartAsync();
return(true);
}
catch
{
try
{
await hub.DisposeAsync();
}
catch { }
finally
{
hub = null;
}
}
return(false);
}
static async Task OnFilePublishedAsync(FilePublishedNotification fpn)
{
filesPublishedNotifications.Enqueue(fpn);
await Task.CompletedTask;
}
