/// <summary>
/// 获得已初始化的文件信息。
/// </summary>
/// <param name="request"></param>
private FileInfo GetServerFileInfo(ServerFileListRequest request)
{
var serverFileList = List(request);
if (serverFileList.Count == 1)
{
return serverFileList[0];
}
else if (serverFileList.Count == 0)
{
return null;
}
else
{
throw new PispowerAPIException("count error:There are " + serverFileList.Count + " in server.");
}
}
/// <summary>
/// 列出服务器上已初始化的文件信息
/// </summary>
/// <param name="request"></param>
/// <returns>服务器上已初始化的文件信息</returns>
public List<FileInfo> List(ServerFileListRequest request)
{
var qs = new QueryString();
if (null != request.FileNameLike && !"".Equals(request.FileNameLike))
{
qs.Add("fileNameLike", request.FileNameLike);
}
if (null != request.FileMD5Equal && !"".Equals(request.FileMD5Equal))
{
qs.Add("fileMD5Equal", request.FileMD5Equal);
}
var list = client.HttpGet("/video/multipartUpload/list.api", qs);
var jo = JObject.Parse(list);
if (jo["statusCode"].ToString().CompareTo("0") == 0)
{
var serverFileList = new List<FileInfo>();
var multipartUploads = jo["multipartUploads"];
foreach (var jObj in multipartUploads)
{
var fileInfo = new FileInfo();
fileInfo.FileMD5 = jObj["fileMD5"].ToString();
fileInfo.FileName = jObj["fileName"].ToString();
fileInfo.UploadId = jObj["uploadId"].ToString();
serverFileList.Add(fileInfo);
}
return serverFileList;
}
else
{
throw new PispowerAPIException(System.Int32.Parse(jo["statusCode"].ToString()), jo["message"].ToString());
}
}
/// <summary>
/// 断点续传，查询已经上传的分片，与待上传文件分片MD5比较，记录未上传的分片，上传未上传的分片，最后合并分片。
/// </summary>
/// <param name="fileUploadRequest"></param>
/// <returns>
/// Video 包含id,name,size,type,status,duration,catalogId,catalogName,VideoEmbedCode列表 。
///</returns>
public Video Upload(FileUploadRequest fileUploadRequest)
{
var file = fileUploadRequest.FileInfo;
var partSize = fileUploadRequest.PartSize;
//对文件分片
var files = SplitFile(file, partSize);
//本地文件分片列表
var localParts = GetLocalParts(files);
//文件MD5
var fileMD5 = MD5Utility.Compute(file).ToLower();
var fileListRequest = new ServerFileListRequest();
fileListRequest.FileMD5Equal = fileMD5;
fileListRequest.FileNameLike = file.Name;
//获取服务器上已初始化过的文件
var serverFileInfo = GetServerFileInfo(fileListRequest);
//获得服务器上的分片
var serverParts = GetServerPartInfos(serverFileInfo);
//区分上传完成的分片，未上传的分片，错误的分片
var multipartFileparts = getMultipartFileParts(localParts, serverParts);
//删除服务器上出错的分片
DeleteParts(multipartFileparts.ErrorParts);
// 已经上传完成的分片记录到一个列表中备用
var finishedParts = multipartFileparts.FinishedParts;
//获取uploadId
var uploadId = GetUploadId(file.Name, fileMD5, serverFileInfo);
// 上传未完成的分片
var uploadedParts = UploadParts(uploadId, multipartFileparts.UnfinishedParts);
// 将新上传的数据和已经在服务器的数据进行合并。
finishedParts.AddRange(uploadedParts);
var CatalogId = "";
if (fileUploadRequest.CatalogId != 0)
{
CatalogId = fileUploadRequest.CatalogId.ToString();
}
var video = CompleteParts(uploadId, finishedParts, CatalogId);
//清除临时文件
Delete(files[0].FullName);
return video;
}
