public async Task RemoveFileFromDocument(Guid documentId)
{
using (var unitOfWork = await DataConnectionFactory.CreateUnitOfWork())
{
var file = await unitOfWork.Files.GetByDocumentId(documentId);
if (file == null)
{
throw new LogicException("No file is attached to this document.");
}
_fileProvider.DeleteFile(file.FileId);
await unitOfWork.Files.Delete(file.Id);
await unitOfWork.SaveChangesAsync();
}
}
