public FileModel CreateMaterial(NewMaterialDTO data)
{
string name = data.FileName;
string category = data.Category;
ulong size = (ulong)data.fileBlob.Length;
int version = 1;
MaterialModel material = new MaterialModel();
material.Name = name;
material.Category = category;
if (_context.Materials.Count() > 0)
{
material.Id = _context.Materials.Max(f => f.Id) + 1;
}
else
{
material.Id = 1;
}
// materials.Add(material);
_context.Add(material);
FileModel file = new FileModel();
file.MaterialId = material.Id;
file.Version = version;
file.Size = size;
file.Id = _context.Files.Count() > 0 ? _context.Files.Max(f => f.Id) + 1 : 1;
file.Path = _fileService.UploadFile(material, file, data.fileBlob);
file.UploadTime = DateTime.Now;
_context.Add(file);
_context.SaveChanges();
return(file);
}
public byte[] DownloadFile(int id)
{
FileModel file = _context.Files.Where(f => f.Id == id).FirstOrDefault();
return(System.IO.File.ReadAllBytes(@$ "{file.Path}"));
//Stream stream = System.IO.File.OpenRead(@$"{file.Path}");
//return File(stream, "application/octet-stream", file.Name);
}
public string UploadFile(MaterialModel material, FileModel fileModel, byte[] file)
{
string path = $"Files\\{material.Id}-{fileModel.Id}";
File.WriteAllBytes(path, file);
/*using (var fileStream = new FileStream(path, FileMode.Create))
* {
* file.CopyToAsync(fileStream);
* }*/
return(path);
}
public FileModel UpdateMaterial(UpdateMaterialDTO data)
{
MaterialModel material = _context.Materials.Where(m => m.Id == data.MaterialId).FirstOrDefault();
FileModel file = new FileModel();
file.MaterialId = material.Id;
file.Version = _context.Files.Where(f => f.MaterialId == material.Id).Max(f => f.Version) + 1;
file.Size = (ulong)data.fileBlob.Length;
file.Id = _context.Files.Count() > 0 ? _context.Files.Max(f => f.Id) + 1 : 1;
file.Path = _fileService.UploadFile(material, file, data.fileBlob);
file.UploadTime = DateTime.Now;
_context.Add(file);
_context.SaveChanges();
return(file);
}
public byte[] DownloadMaterial(int id, int version)
{
FileModel file = _context.Files.Where(f => f.MaterialId == id && f.Version == version).FirstOrDefault();
return(_fileService.DownloadFile(file.Id));
}