public string PrepareFilesDownload([FromForm] SelectFilesModel model)
{
string rootPath = Path.Combine(_environment.ContentRootPath, "Uploads");
var decompressedFiles = new List <string>();
//1. Create new folder
string folderName = Guid.NewGuid().ToString();
string destinationFolder = Path.Combine(rootPath, folderName);
Directory.CreateDirectory(destinationFolder);
//2. Decompress selected files into the new folder
foreach (var fileGuid in model.FileGuids)
{
var file = _db.CajFile.FirstOrDefault(x => x.Id == fileGuid);
string serverSourceFilePath = Path.Combine(rootPath, file.Id.ToString());
string serverDestinationFilePath = Path.Combine(destinationFolder, file.Name);
//3. Rename them to the original name
if (IOManager.Decompress(serverSourceFilePath, serverDestinationFilePath))
{
decompressedFiles.Add(serverDestinationFilePath);
}
}
//4. Compress them
string serverCompressedFilePath = Path.Combine(destinationFolder, $"{folderName}.zip");
if (IOManager.CompressFiles(decompressedFiles.ToArray(), serverCompressedFilePath))
{
foreach (var decompressedFile in decompressedFiles)
{
IOManager.RemoveFile(decompressedFile);
}
//5. Return destination folder name
return(folderName);
}
return(null);
}