public FileMetadata SaveFile(FileDTO file)
{
var basePath = @"D:\";
var chkSum = FileHelper.MD5File(file.FileStream);
bool isAdd = true;
var media = _fileMediaRepo.DbSet().Where(c => c.CheckSum == chkSum).FirstOrDefault();
//复制相同文件重复上次
if (media == null)
{
var relativePath = file.CreatedTime.ToString("yyyyMMdd") + @"\";
var fullPath = basePath + relativePath + Guid.NewGuid();
media = FileFactory.CreateFileMeida(file.FileStream, chkSum, fullPath, relativePath);
_fileMediaRepo.Add(media);
}
var metaData = _fileMetadataRepo.DbSet().Where(c => c.Id == file.Id).FirstOrDefault();
if (metaData == null)
{
var extension = file.ResourceName.Substring(file.ResourceName.LastIndexOf("."));
metaData = FileFactory.CreateFile(
file.Id,
file.ResourceName,
file.CatalogUri,
file.CreatedTime,
extension,
media.Id,
file.CreatedTime,
file.Owner,
file.Owner,
file.ResourceSize,
file.Propertys
);
}
else
{
isAdd = false;
metaData.Revision++;
metaData.LastModifiedTime = file.CreatedTime;
metaData.LastModifier = file.Owner;
metaData.ResourceName = file.ResourceName;
metaData.CatalogUri = file.CatalogUri;
metaData.Extension = file.ResourceName.Substring(file.ResourceName.LastIndexOf("."));
}
var version = new FileVersion
{
Remark = "",
Id = Guid.NewGuid().ToString().ToUpper(),
ModifiedTime = metaData.LastModifiedTime,
Modifier = metaData.LastModifier,
Revision = metaData.Revision,
FileMetadata = metaData,
FileId = metaData.Id,
FileInfor = JsonConvert.SerializeObject(metaData)
};
metaData.Versions.Add(version);
if (isAdd)
{
_fileMetadataRepo.Add(metaData);
}
var i = _unitOfWork.Commit();
return metaData;
}
public static FileDTO ConvertToFileDTO(this ResoureMessage resoure)
{
if (resoure == null)
{
return null;
}
FileDTO dto = new FileDTO
{
CatalogUri = resoure.Catalog,
CreatedTime = resoure.CreatedTime,
FileStream = resoure.FileContent,
Id = resoure.FileId,
Owner = resoure.Owner,
ResourceName = resoure.FileName,
ResourceSize = resoure.FileSize,
Propertys = new PropertyCollection()
};
foreach (var pair in resoure.KeyTags)
{
FileMetadataEAVProperty property = new FileMetadataEAVProperty
{
FileId = resoure.FileId,
Name = pair.Key,
Value = pair.Value
};
dto.Propertys.Add(property);
}
return dto;
}
public FileMetadata CopyFile(string srcFileId, FileDTO dstFile)
{
var sourceAttach = _fileMediaRepo.Get(srcFileId).ShouldNotDefault("无法找到ID = {0} 的附件记录", srcFileId);
if (String.IsNullOrEmpty(dstFile.Id))
{
dstFile.Id = Guid.NewGuid().ToString();
}
return SaveFile(dstFile);
}
public static FileDTO ConvertToFileDTO(this ResoureMetadataDTO metadata)
{
if (metadata == null)
{
return null;
}
FileDTO dto = new FileDTO
{
CatalogUri = metadata.Catalog,
CreatedTime = metadata.CreatedTime,
Id = metadata.FileId,
Owner = metadata.Owner,
ResourceName = metadata.FileName,
ResourceSize = metadata.FileSize
};
foreach (var pair in metadata.KeyTags)
{
FileMetadataEAVProperty property = new FileMetadataEAVProperty
{
Name = pair.Key,
Value = pair.Value
};
}
return dto;
}