ÿØÿÛC  ÿØÿÛC  'integer', 'product_id' => 'integer', 'product_variant_id' => 'integer', 'qty' => 'decimal:3', 'price' => 'decimal:2', 'line_total' => 'decimal:2', 'TaxNet' => 'double', 'discount' => 'double', ]; public function order(): BelongsTo { return $this->belongsTo(OnlineOrder::class, 'order_id'); } public function product(): BelongsTo { return $this->belongsTo(Product::class); } // Variant relation (adjust namespace if your model lives elsewhere) public function productVariant(): BelongsTo { return $this->belongsTo(ProductVariant::class, 'product_variant_id'); } // Keep line_total in sync protected static function boot() { parent::boot(); static::saving(function (OnlineOrderItem $item) { if ($item->isDirty('qty') || $item->isDirty('price') || empty($item->line_total)) { $item->line_total = (float) $item->qty * (float) $item->price; } }); } }