/// <summary>
/// 更新播放列表，并写入文件
/// </summary>
/// <param name="model">播放列表</param>
/// <returns>成功写入返回true，否则返回false</returns>
private bool WritePlayListToFile(AMS_PlayListMd5 model)
{
XmlDocument xmlDoc = new XmlDocument();
//获取应用程序所在文件夹
string FilePath = PlayerSetting.DefaultVideosPath + "PlayList.xml";
try
{
if (model == null)
{
return(false);
}
xmlDoc.LoadXml(model.ToXml());
DirectoryInfo d = new DirectoryInfo(PlayerSetting.DefaultVideosPath);
if (!d.Exists)
{
d.Create();
}
xmlDoc.Save(FilePath);
return(true);
}
catch (Exception ex)
{
SeatManage.SeatManageComm.WriteLog.Write(ex.Message);
return(false);
}
}
/// <summary>
/// 从本地载入播放列表
/// </summary>
public bool LoadPlayList()
{
try
{
string xmlDocPath = PlayerSetting.DefaultVideosPath + "PlayList.xml";
if (System.IO.File.Exists(xmlDocPath))
{
XmlDocument xmlDoc = new XmlDocument();
xmlDoc.Load(xmlDocPath);
AMS_PlayListMd5 plm = AMS_PlayListMd5.Parse(xmlDoc.OuterXml);
//播放列表赋值
plists = plm.PlayVideoItems;
//计算整个播放列表播放时间的间隔加上循环间隔时长
playListTimeLength = plm.PlayListTimeLength + plm.PlayElapsed;
//TODO:根据当前时间重新排列播放列表
RearrangePlayList();
return(true);
}
else
{
SeatManage.SeatManageComm.WriteLog.Write("播放列表不存在");
PlayListHandleEvent(this, "本地播放列表不存在！");
return(false);
}
}
catch
{
SeatManage.SeatManageComm.WriteLog.Write("载入播放列表失败");
PlayListHandleEvent(this, "载入播放列表失败！");
return(false);
}
}
/// <summary>
/// 获取播放列表
/// </summary>
private bool DownloadPlaylist(ref AMS_PlayListMd5 model)
{
while (true)
{
//获取今天的播放列表
model = null;
try
{
List <SeatManage.ClassModel.AMS_PlayListMd5> playlist = SeatManage.Bll.AMS_PlayList.GetMd5PlayListByStatus(SeatManage.EnumType.LogStatus.Valid);
if (playlist.Count > 0)
{
model = playlist[0];
}
else
{
PlayListHandleEvent(this, "没有有效的播放列表");
return(false);
}
timer1.Stop();
timer1.Dispose();
return(true);
}
catch (Exception ex)
{
PlayListHandleEvent(this, "服务器连接失败，正在重试……");
System.Threading.Thread.Sleep(2000);
if (s > 300)
{
timer1.Stop();
timer1.Dispose();
return(false);
}
}
//if (model != null)
//{
// timer1.Stop();
// timer1.Dispose();
// return true;
//}
//else
//{
// SeatManage.SeatManageComm.WriteLog.Write(ex.Message);
// return false;
//}
}
}
/// <summary>
/// 解析播放列表并下载视频文件
/// </summary>
/// <param name="model">下载的文件地址</param>
private List <string> GetDownloadVideoFile(AMS_PlayListMd5 model)
{
//存放待下载的媒体文件
List <string> downloadFiles = new List <string>();
//播放列表存放的文件夹
DirectoryInfo direct = new DirectoryInfo(PlayerSetting.DefaultVideosPath);
if (!direct.Exists)
{
direct.Create();
}
//下载所有的媒体文件。
foreach (AMS_VideoMd5Item vm in model.VideoFiles)
{
downloadFiles.Add(vm.RelativeUrl);
}
return(downloadFiles);
}
/// <summary>
/// 获取当前应该播放的媒体信息
/// </summary>
/// <param name="isOffline">是否脱机运行</param>
public void Run()
{
if (PlayerSetting.IsOffline == "1")
{
//从服务器上获取新的播放列表以及媒体文件并且保存到本地
// get.Run();
SeatManage.ClassModel.AMS_PlayListMd5 playlistModel = new AMS_PlayListMd5();
//从服务器上获取新的播放列表
timer1 = new Timer(1000);
timer1.Elapsed += new ElapsedEventHandler(timer1_Elapsed);
timer1.Start();
try
{
if (DownloadPlaylist(ref playlistModel))
{
//把新获取的播放列表写入文件
if (WritePlayListToFile(playlistModel))
{
SeatManage.SeatManageComm.WriteLog.Write("播放列表文件写入成功，准备下载……");
if (string.IsNullOrEmpty(PlayerSetting.DeviceNo))
{
SeatManage.SeatManageComm.WriteLog.Write("终端编号为空");
}
else
{
TerminalInfoV2 terminal = SeatManage.Bll.TerminalOperatorService.GetTeminalSetting(PlayerSetting.DeviceNo);
if (terminal != null)
{
terminal.IsUpdatePlayList = false;
SeatManage.Bll.TerminalOperatorService.UpdateTeminalSetting(terminal);
}
}
List <string> lists = GetDownloadVideoFile(playlistModel);
//删除无用的文件
DeleteNullFile();
DownloadFile(lists);
}
else
{
SeatManage.SeatManageComm.WriteLog.Write("播放列表写入失败");
}
}
else
{
//TODO：没有新的播放列表
}
}
catch (Exception ex)
{
SeatManage.SeatManageComm.WriteLog.Write("网络未连接" + ex.Message);
}
finally
{
timer1.Stop();
}
}
//载入本地的播放列表
if (LoadPlayList())
{
timer.Elapsed += new ElapsedEventHandler(timer_Elapsed);
//播放列表初始化结束，触发事件
PlayListHandleOver(null, null);
timer.Start();
}
}
