Product Nova Resource

Product.php

<?php

namespace Modules\Billing\Nova\Resources\Product;

use Illuminate\Http\Request;

use Laravel\Nova\Fields\Text;
use Laravel\Nova\Fields\BelongsTo;
use ZakariaTlilani\NovaNestedTree\NestedTreeAttachManyField;

use Modules\Billing\Models\Product as ProductModels;
use Modules\Billing\Nova\Resources\Resource;

use Modules\Billing\Nova\Resources as BillingResources;

class Product extends Resource
{
    /**
     * The model the resource corresponds to.
     *
     * @var string
     */
    public static $model = ProductModels\Product::class;

    /**
     * The single value that should be used to represent the resource when being displayed.
     *
     * @var string
     */
    public static $title = 'name';

    /**
     * The columns that should be searched.
     *
     * @var array
     */
    public static $search = [
        'id',
    ];

    /**
     * Get the fields displayed by the resource.
     *
     * @return array
     */
    public function fields(Request $request)
    {
        return [
            BelongsTo::make(__('billing.product_family'),'family',ProductFamily::class),
            NestedTreeAttachManyField::make(__('billing.product_family'),'family',ProductFamily::class)
                ->useSingleSelect(),
            Text::make(__('billing.product_name'), 'name'),
        ];
    }

    /**
     * Get the cards available for the request.
     *
     * @return array
     */
    public function cards(Request $request)
    {
        return [];
    }

    /**
     * Get the lenses available for the resource.
     *
     * @return array
     */
    public function lenses(Request $request)
    {
        return [];
    }

    /**
     * Get the actions available for the resource.
     *
     * @return array
     */
    public function actions(Request $request)
    {
        return [];
    }
}