public async Task <Material> UploadNewMaterial(string fileName, Int32 categoryNameId, long length)
{
Material uploadedMaterial = new Material
{
MaterialDate = DateTime.Now,
MaterialName = $"{fileName}",
MatCategoryId = Convert.ToInt16(categoryNameId)
};
MaterialVersion version = new MaterialVersion
{
FileDate = DateTime.Now,
Material = uploadedMaterial,
FileName = $"{fileName}",
Size = length,
PathOfFile = _dir
};
await _unitOfWork.MaterialVersions.AddRangeAsync(new List <MaterialVersion> {
version
});
await _unitOfWork.CommitAsync();
return(uploadedMaterial);
}
public async Task <(byte[] mas, string fileType, string fileName)> GetDataForDownloadMaterialAsync(Guid mId)
{
IEnumerable <MaterialVersion> ActualList() => _unitOfWork.MaterialVersions
.Find(m => m.Material.Id == mId)
.ToList()
.OrderByDescending(m => m.FileDate);
MaterialVersion ActualVersion = ActualList().Select(m => m).FirstOrDefault();
string fileName = ActualVersion.FileName;
string filePath = ActualVersion.PathOfFile + "/" + fileName;
string fileType = "application/octet-stream";
byte[] mas = System.IO.File.ReadAllBytes(filePath);
return(mas, fileType, fileName);
}
public async Task <MaterialVersion> UploadNewMaterialVersion(string fileName, Guid mId, long length)
{
MaterialVersion uploadedVersion = new MaterialVersion
{
FileDate = DateTime.Now,
FileName = $"{fileName}",
PathOfFile = _dir,
Size = length,
Material = await _unitOfWork.Materials.GetMaterialById(mId)
};
await _unitOfWork.MaterialVersions.AddRangeAsync(new List <MaterialVersion> {
uploadedVersion
});
await _unitOfWork.CommitAsync();
return(uploadedVersion);
}