private void SettingFileInfo(FileType type, FileOperateType operateType)
{
this.Type = type;
this.FileOperate = operateType;
}
public async Task <bool> Update()
{
bool hasAnyError = false;
progress.Reset();
progress.Total = Files.Count;
long lastDownloadSize = VersionDistance.DownloadSize;
foreach (var item in Files)
{
FileOperateType operate = (FileOperateType)Enum.Parse(typeof(FileOperateType), item.Operate);
progress.CurPos++;
string sizeStr = new FileSize(lastDownloadSize).ToString();
//progress.Status = item.LocalPath + "\r\n总剩余 " + sizeStr + " " + Util.FileSizeToDownloadTime(lastDownloadSize);
lastDownloadSize -= item.nsize;
if (lastDownloadSize < 0)
{
lastDownloadSize = 0;
}
//local file existed and not in force update mode. then check whether need skip.
if (File.Exists(item.LocalPath) && operate != FileOperateType.ForceUpdate)
{
if (operate == FileOperateType.Delete)
{
File.Delete(item.LocalPath);
item.Result = "deleted";
continue;
}
FileInfo fi = new FileInfo(item.LocalPath);
if (fi.Length == item.nsize)
{
string md5 = Util.Md5File(item.LocalPath);
if (md5 == item.Md5) // same as server
{
item.Result = "skiped(same)";
continue;
}
}
// changed but shoud skip changed local files.
if (operate == FileOperateType.SkipOnChanged)
{
item.Result = "skiped(skip on changed)";
continue;
}
}
progress.Status = item.LocalPath + "\r\n总剩余 " + sizeStr + " " + Util.FileSizeToDownloadTime(lastDownloadSize);
//update the file.
item.Result = await DownloadFile(item.Url, item.LocalPath);
if (item.Result != "ok")
{
hasAnyError = true;
}
}
//update state
if (hasAnyError)
{
//should treat as update failed?
}
LocalVerions = ServerVerions;
Util.SaveObjToFile(LocalVerions, "vers.dat");
IsDownloading = false;
await Task.Delay(100);
progress.Percent = 100;
progress.Status = "ok";
return(true);
}
