private string GenerateThumbnail(NewFileModel newFile, string uri)
{
var subFolder = @"files\thumbnails";
string path = Path.Combine(Env.ContentRootPath, subFolder);
if (!Directory.Exists(path))
{
Directory.CreateDirectory(path);
}
var fileName = $"{Context.Files.Count()}_{newFile.File.FileName}";
string filePath = Path.Combine(path, fileName);
ProcessStartInfo startInfo = new ProcessStartInfo();
startInfo.CreateNoWindow = false;
startInfo.UseShellExecute = false;
startInfo.FileName = Path.Combine(Env.ContentRootPath, @"files\thumbnails\CiffCaffParser.exe");
startInfo.WindowStyle = ProcessWindowStyle.Normal;
startInfo.Arguments = uri + " " + filePath;
try
{
using (Process exeProcess = Process.Start(startInfo))
{
exeProcess.WaitForExit();
}
}
catch
{
filePath = Path.Combine(path, "no-thumbnail");
}
return(filePath + ".bmp");
}
public async Task <IActionResult> UploadImage([FromForm] NewFileModel newFile)
{
var(canCreated, error) = await fileManager.CreateNewFileAsync(newFile.Folder, newFile.Name, newFile.File);
if (canCreated)
{
return(Created($"folders/{newFile.Folder}/image/{newFile.Name}", null));
}
return(Conflict(new { Error = error }));
}
public async Task <NewFileModel> UploadFile(NewFileModel newFile)
{
var caffUri = SaveCaffFile(newFile);
var thumbnailUri = GenerateThumbnail(newFile, caffUri);
var newEntity = new CaffFile
{
CAFFUri = caffUri,
ThumbnailUri = thumbnailUri,
Title = newFile.Title,
Description = newFile.Description,
OwnerId = UserManager.GetUserId()
};
Context.Files.Add(newEntity);
await Context.SaveChangesAsync();
return(newFile);
}
// https://stackoverflow.com/a/39394266
private string SaveCaffFile(NewFileModel newFile)
{
var subFolder = @"files\caffs";
string path = Path.Combine(Env.ContentRootPath, subFolder);
if (!Directory.Exists(path))
{
Directory.CreateDirectory(path);
}
var fileName = $"{Context.Files.Count()}_{newFile.Title}.caff";
string filePath = Path.Combine(path, fileName);
byte[] fileBytes;
using (var ms = new MemoryStream())
{
newFile.File.CopyTo(ms);
fileBytes = ms.ToArray();
File.WriteAllBytes(filePath, fileBytes);
}
return(filePath);
}
public async Task UploadFile([FromForm] NewFileModel newFile) => await CaffFileService.UploadFile(newFile);
