Additional/app/Services/ShippingService.php

<?php

namespace App\Services;

use App\Models\AppSetting;

class ShippingService
{
    /**
     * Calculate shipping fee based on order subtotal
     */
    public static function calculateShippingFee(float $subtotal): float
    {
        $freeShippingThreshold = AppSetting::get('free_shipping_threshold', 2000);
        
        if ($subtotal >= $freeShippingThreshold) {
            return 0;
        }
        
        $localShipping = AppSetting::get('local_shipping', 200);
        return $localShipping;
    }

    /**
     * Get shipping label based on order subtotal
     */
    public static function getShippingLabel(float $subtotal): string
    {
        $freeShippingThreshold = AppSetting::get('free_shipping_threshold', 2000);
        
        if ($subtotal >= $freeShippingThreshold) {
            return 'Free Shipping';
        }
        
        return 'Local Delivery';
    }

    /**
     * Get sample cost
     */
    public static function getSampleCost(): float
    {
        return AppSetting::get('sample_cost', 80);
    }
}