ladill-merchant/app/Models/QrSaleOrder.php

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;

class QrSaleOrder extends Model
{
    public const STATUS_PENDING = 'pending';
    public const STATUS_PAID = 'paid';
    public const STATUS_FAILED = 'failed';

    public const FULFILLMENT_NEW         = 'new';
    public const FULFILLMENT_CONFIRMED   = 'confirmed';
    public const FULFILLMENT_PREPARING   = 'preparing';
    public const FULFILLMENT_READY       = 'ready';
    public const FULFILLMENT_DELIVERED   = 'delivered';
    public const FULFILLMENT_CANCELLED   = 'cancelled';

    public const FULFILLMENT_STATUSES = [
        self::FULFILLMENT_NEW       => 'New',
        self::FULFILLMENT_CONFIRMED => 'Confirmed',
        self::FULFILLMENT_PREPARING => 'Preparing',
        self::FULFILLMENT_READY     => 'Ready',
        self::FULFILLMENT_DELIVERED => 'Delivered',
        self::FULFILLMENT_CANCELLED => 'Cancelled',
    ];

    public const PLATFORM_FEE_RATE = 0.09;

    protected $fillable = [
        'pay_order_id',
        'qr_code_id',
        'user_id',
        'customer_name',
        'customer_email',
        'customer_phone',
        'items',
        'amount_ghs',
        'platform_fee_ghs',
        'merchant_amount_ghs',
        'status',
        'fulfillment_status',
        'payment_reference',
        'paid_at',
        'metadata',
    ];

    protected $casts = [
        'items'               => 'array',
        'amount_ghs'          => 'decimal:2',
        'platform_fee_ghs'    => 'decimal:2',
        'merchant_amount_ghs' => 'decimal:2',
        'metadata'            => 'array',
        'paid_at'             => 'datetime',
    ];

    public function fulfillmentLabel(): string
    {
        return self::FULFILLMENT_STATUSES[$this->fulfillment_status ?? self::FULFILLMENT_NEW] ?? ucfirst((string) $this->fulfillment_status);
    }

    public function qrCode(): BelongsTo
    {
        return $this->belongsTo(QrCode::class);
    }

    public function merchant(): BelongsTo
    {
        return $this->belongsTo(User::class, 'user_id');
    }
}