public function afterSave($insert, $changedAttributes) {
    if (floatval($this->offer) >= floatval($this->product->threshold_price)) {
        $coupon = false;
        $createCoupon = "";
        $ctr = 1;
        while ($coupon == false) {
            $createCoupon = $this->createCoupon(
                "Offer for " . $this->customer_name . ' #' . $this->id,
                $this->product->sale_price - $this->offer,
                $this->product_id
            );

            if ($createCoupon || $ctr > 3) {
                $coupon = true;
            }

            $ctr++;
        }

        $this->status = self::STATUS_ACCEPTED_COUPON_GENERATED;
        $this->coupon_code = $createCoupon->code;

        // todo this
        // echo "Accepted automatically then send email to customer as the same time to merchant email";
    } else {
        $this->status = self::STATUS_REJECTED;
    }

    return parent::afterSave($insert, $changedAttributes);
}

public function afterSave($insert, $changedAttributes) {

    // So basically I want to update the status in afterSave
    $this->status = "What ever value rejected or accepted base of the outcome of generating coupon";
    $this->coupon = "AddTheCoupon";

    // Save or Update
    $this->save();

    return parent::afterSave($insert, $changedAttributes);
}