public static TaskDatabase GetDatabaseByUser(LocalDiskUser user)
{
if (List.Any(v => v.Name == user.Name))
{
return(List.FirstOrDefault(v => v.Name == user.Name));
}
var db = new TaskDatabase(user);
List.Add(db);
return(db);
}
public TaskManager(IUnityContainer container, LocalDiskUser user) : base(container)
{
_user = user;
_dataFolder = Path.Combine(Directory.GetCurrentDirectory(), "Users", user.Name);
_database = TaskDatabase.GetDatabaseByUser(user);
_runing = true;
new Thread(async() =>
{
while (_runing)
{
Thread.Sleep(300);
if (_downloadingTasks.Count(v => v.DownloadState == DownloadStateEnum.Downloading) < _user.ParallelTaskNumber)
{
//如果正在下载的文件数量与已经请求的文件数量相同
if (_database.GetDownloadingTask().Length == _downloadingTasks.Count)
{
var result = await _database.Next();
if (result == null)
{
continue;
}
if (result.ErrorCode != 0)
{
if (result.ErrorCode == 209)
{
//没有新的任务了
}
//出现错误时的处理
continue;
}
//Created -> Waiting
EventAggregator.GetEvent <DownloadStateChangedEvent>().Publish(new DownloadStateChangedEventArgs(_database.GetFileIdByPath(result.Info.DownloadPath), DownloadStateEnum.Created, DownloadStateEnum.Waiting));
AddDownloadingTask(result.Info);
continue;
}
var data =
_database.GetDownloadingTask()
.FirstOrDefault(v => _downloadingTasks.All(v2 => v.DownloadPath != v2.DownloadPath));
if (data != null)
{
AddDownloadingTask(data.Info);
}
}
}
})
{
IsBackground = true
}.Start();
}
public static TaskManager GetTaskManagerByLocalDiskUser(IUnityContainer container, LocalDiskUser user)
{
if (!Manager.ContainsKey(user.Name))
{
//Manager.Add(user.Name, new TaskManager(user));
Manager.Add(user.Name, container.Resolve <TaskManager>(new DependencyOverride <LocalDiskUser>(user)));
}
return(Manager[user.Name]);
}
private TaskDatabase(LocalDiskUser user)
{
_user = user;
Reload();
}
