/// <summary>
/// Copy a file into the same folder
/// </summary>
/// <param name="id"></param>
/// <returns></returns>
public File CopyInFolder(Guid id)
{
File fileNew = null;
var fileDAC = new FileDAC();
var file = fileDAC.SelectById(id);
if (file != null)
{
var toFileId = Guid.NewGuid();
var fullPath = Path.Combine(_path, file.FilePath);
var dirPath = Path.GetDirectoryName(file.FilePath);
var extName = Path.GetExtension(file.FileName)?.ToLower();
var newFileName = toFileId + extName;
var newFullPath = Path.Combine(_path, dirPath ?? throw new InvalidOperationException(), newFileName);
System.IO.File.Copy(fullPath, newFullPath);
file.Id = toFileId;
file.FilePath = Path.Combine(dirPath, newFileName);
file.Timestamp = DateTime.Now;
fileDAC.Create(file);
fileNew = file;
fileNew.Id = toFileId;
}
return(fileNew);
}
public File Compress(byte[] data, File file)
{
var id = Guid.NewGuid();
var subFolder = CreateSubFolder(file.FileType);
var fullFolder = Path.Combine(_path, subFolder);
var extName = Path.GetExtension(file.FileName)?.ToLower();
var filePath = Path.Combine(subFolder, id + extName);
var fullFilePath = Path.Combine(fullFolder, id + extName);
if (!Directory.Exists(fullFolder))
{
Directory.CreateDirectory(fullFolder);
}
var compressFile = new File
{
Id = id,
FilePath = filePath,
FileType = file.FileType,
FileName = file.FileName,
MimeType = FileContentType.GetMimeType(extName),
Timestamp = DateTime.Now
};
using (var inStream = new MemoryStream(data))
{
using (var outStream = new MemoryStream())
{
// Initialize the ImageFactory using the overload to preserve EXIF metadata.
using (var imageFactory = new ImageFactory(preserveExifData: true))
{
// Load, resize, set the format and quality and save an image.
imageFactory.Load(inStream)
.Quality(30)
.Save(outStream);
}
using (var fileStream = new FileStream(fullFilePath, FileMode.Create, FileAccess.Write))
{
outStream.CopyTo(fileStream);
var compressData = new byte[outStream.Length];
outStream.Read(compressData, 0, compressData.Length);
outStream.Seek(0, SeekOrigin.Begin);
compressFile.Md5 = GetMD5HashFromByte(compressData);
return(compressFile);
}
}
}
}
public Guid[] CreateWithThumbnail(File file, byte[] data)
{
var originId = Guid.NewGuid();
var subFolder = CreateSubFolder(file.FileType);
var fullFolder = Path.Combine(_path, subFolder);
var extName = Path.GetExtension(file.FileName)?.ToLower();
var originFilePath = Path.Combine(subFolder, originId + extName);
var originfullFilePath = Path.Combine(fullFolder, originId + extName);
if (!Directory.Exists(fullFolder))
{
Directory.CreateDirectory(fullFolder);
}
using (var stream = System.IO.File.Create(originfullFilePath))
{
stream.Write(data, 0, data.Length);
stream.Flush();
stream.Close();
}
var compressFile = Compress(data, file);
var fileDAC = new FileDAC();
file.Id = originId;
file.FilePath = originFilePath;
file.MimeType = FileContentType.GetMimeType(extName);
file.Md5 = GetMD5HashFromByte(data);
using (var scope = new TransactionScope(TransactionScopeOption.Required, new TimeSpan(0, 0, 1, 30)))
{
fileDAC.Create(file);
fileDAC.Create(compressFile);
scope.Complete();
}
return(new Guid[] { file.Id, compressFile.Id });
}
/// <summary>
/// Creates the specified file.
/// </summary>
/// <param name="file">The file.</param>
/// <param name="data">The data.</param>
/// <returns></returns>
public File Create(File file, byte[] data)
{
var fileMd5 = GetMD5HashFromByte(data);
var fileDAC = new FileDAC();
var oldFile = fileDAC.SelectByMd5(fileMd5);
var id = Guid.NewGuid();
var subFolder = CreateSubFolder(file.FileType);
var fullFolder = Path.Combine(_path, subFolder);
var extName = Path.GetExtension(file.FileName)?.ToLower();
var fullFilePath = Path.Combine(fullFolder, id + extName);
if (!Directory.Exists(fullFolder))
{
Directory.CreateDirectory(fullFolder);
}
if (oldFile == null)
{
file.FilePath = Path.Combine(subFolder, id + extName);
using (var stream = System.IO.File.Create(fullFilePath))
{
stream.Write(data, 0, data.Length);
stream.Flush();
stream.Close();
}
}
else
{
file.FilePath = oldFile.FilePath;
}
file.Id = id;
file.MimeType = FileContentType.GetMimeType(extName);
file.Md5 = fileMd5;
fileDAC.Create(file);
return(file);
}
