public IActionResult Delete(int id)
{
Batch batch = db.Batches.Find(id);
if (batch == null)
{
return(StatusCode(StatusCodes.Status404NotFound, new NullReferenceException("Batch not found.")));
}
db.RemoveRange(db.Movements.Where(m => m.BatchId == id));
db.Remove(batch);
db.SaveChanges();
return(StatusCode(StatusCodes.Status200OK));
}