func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell
    {

let cell = ingredientTableView.dequeueReusableCell(withIdentifier: "cell", for: indexPath) as! IngredientTableViewCell

        cell.ingredientNameTextField.text = ingredients [indexPath.row].ingredientName
        cell.numberofItem.text = "1"
        let cellcalory = ingredients [indexPath.row].ingredientCalory
        cell.itemTotalCalory.text = cellcalory

        cell.plusButton.tag = Int(cell.itemTotalCalory.text!)! //indexPath.row
        cell.plusButton.addTarget(self, action:#selector(plusAction), for: .touchUpInside)
        cell.minusButton.tag = Int(cell.itemTotalCalory.text!)!
        cell.minusButton.addTarget(self, action:#selector(minusAction), for: .touchUpInside)

        return cell
    }


@IBAction func plusAction(sender: UIButton)
    {

        let cell = ingredientTableView.dequeueReusableCell(withIdentifier: "cell") as! IngredientTableViewCell
        let buttonRow = sender.tag

        if cell.numberofItem.text == "1" || cell.numberofItem.text != "1"
        {
            cell.numberofItem.text = "1"
            let textValue1 = cell.numberofItem.text
            var textValue = Int(textValue1!)
            textValue = textValue! + 1
            cell.numberofItem.text = String(describing: textValue)

            let oldcalory = buttonRow
            cell.itemTotalCalory.text = String (((textValue! * Int(oldcalory)) + Int(oldcalory)))
            let newcalory = cell.itemTotalCalory.text

            refresh(newcalory: newcalory!);

        }
    }

func refresh(newcalory :String)
    {

       let cell = ingredientTableView.dequeueReusableCell(withIdentifier: "cell") as! IngredientTableViewCell
        cell.itemTotalCalory.text = newcalory

        DispatchQueue.main.async {
            self.ingredientTableView.reloadData()
        }
    }