async Task FileDeletedAsync(UploadedFile file)
{
NullHelper.ThrowIfNull(Context.User);
if (!Context.User.IsAdmin())
{
await Clients.User(file.Location.Username).SendAsync(CALL_FILE_DELETED, file);
}
await Clients.Group(GROUP_ADMINS).SendAsync(CALL_FILE_DELETED, file);
}
public override async Task OnDisconnectedAsync(Exception?exception)
{
NullHelper.ThrowIfNull(Context.User?.Identity);
_log.LogDebug("User [{Username}] disconnected from {Hub}.", Context.User.Identity.Name, nameof(UploadHub));
if (Context.User.IsAdmin())
{
await Groups.RemoveFromGroupAsync(Context.ConnectionId, GROUP_ADMINS);
}
await base.OnDisconnectedAsync(exception);
}
public override async Task OnConnectedAsync()
{
NullHelper.ThrowIfNull(Context.User?.Identity);
_log.LogDebug("User [{Username}] connected to {Hub}.", Context.User.Identity.Name, nameof(UploadHub));
if (Context.User.IsAdmin())
{
await Groups.AddToGroupAsync(Context.ConnectionId, GROUP_ADMINS);
}
await base.OnConnectedAsync();
}
public async Task <IEnumerable <FileOperationResult> > DeleteFilesAsync(List <string> files)
{
NullHelper.ThrowIfNull(Context.User);
var results = _uploadSvc.DeleteFiles(Context.User, files);
foreach (var result in results)
{
if (result.WasSuccessful)
{
await FileDeletedAsync(result.UploadedFile);
}
}
return(results);
}
public static string GetUsername(this ClaimsPrincipal user)
{
NullHelper.ThrowIfNull(user.Identity?.Name);
return(user.Identity.Name);
}
public IEnumerable <UploadedFile> GetAllFiles()
{
NullHelper.ThrowIfNull(Context.User);
return(_uploadSvc.GetFileList(Context.User));
}