first upload all files

Modules/Order/Entities/OrderProductOption.php

@@ -0,0 +1,64 @@
+<?php
+
+namespace Modules\Order\Entities;
+
+use Modules\Option\Entities\Option;
+use Illuminate\Database\Eloquent\Model;
+use Modules\Option\Entities\OptionValue;
+
+class OrderProductOption extends Model
+{
+    /**
+     * Indicates if the model should be timestamped.
+     *
+     * @var bool
+     */
+    public $timestamps = false;
+
+    /**
+     * The relations to eager load on every query.
+     *
+     * @var array
+     */
+    protected $with = ['option', 'values'];
+
+    /**
+     * The attributes that aren't mass assignable.
+     *
+     * @var array
+     */
+    protected $guarded = [];
+
+    public function option()
+    {
+        return $this->belongsTo(Option::class)->withTrashed();
+    }
+
+    public function values()
+    {
+        return $this->belongsToMany(OptionValue::class, 'order_product_option_values')
+            ->using(OrderProductOptionValue::class)
+            ->withPivot('price');
+    }
+
+    public function getNameAttribute()
+    {
+        return $this->option->name;
+    }
+
+    public function isFieldType()
+    {
+        return $this->option->isFieldType();
+    }
+
+    public function storeValues($product, $values)
+    {
+        $values = $values->mapWithKeys(function (OptionValue $value) use ($product) {
+            return [$value->id => [
+                'price' => $value->priceForProduct($product)->amount(),
+            ]];
+        });
+
+        $this->values()->attach($values->all());
+    }
+}