Add all files

app/Models/ConfigOption.php

@@ -0,0 +1,56 @@
+<?php
+
+namespace App\Models;
+
+use App\Models\Traits\HasPlans;
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+
+class ConfigOption extends Model
+{
+    use HasFactory, HasPlans;
+
+    protected $dontShowUnavailablePrice = true;
+
+    protected $fillable = [
+        'name',
+        'env_variable',
+        'type',
+        'sort',
+        'hidden',
+        'parent_id',
+        'upgradable',
+    ];
+
+    /**
+     * Get the parent option.
+     */
+    public function parent()
+    {
+        return $this->belongsTo(ConfigOption::class, 'parent_id');
+    }
+
+    /**
+     * Get the options that belong to the parent. (children or options)
+     */
+    public function children()
+    {
+        return $this->hasMany(ConfigOption::class, 'parent_id')->orderBy('sort');
+    }
+
+    /**
+     * Get the products that belong to the option.
+     */
+    public function products()
+    {
+        return $this->belongsToMany(Product::class, 'config_option_products');
+    }
+
+    /**
+     * Get the service configs that belong to the option.
+     */
+    public function serviceConfigs()
+    {
+        return $this->hasMany(ServiceConfig::class, 'config_option_id');
+    }
+}