ldc-crm/app/Http/Controllers/SingleOptinController.php

<?php

namespace App\Http\Controllers;

use App\Models\SingleOptin;
use Illuminate\Database\Eloquent\Builder;
use Kwaadpepper\CrudPolicies\Http\Requests\CrudIndexRequest;
use Kwaadpepper\CrudPolicies\Traits\CrudController;

/**
 * @codeCoverageIgnore
 */
class SingleOptinController extends Controller
{
    use CrudController {
        index as crudIndex;
    }

    /** @var SingleOptin */
    public static $modelClass = SingleOptin::class;

    /**
     * The Bo app layout
     *
     * @var string
     */
    public static $layout = 'layouts.app';

    /**
     * Event index crud-policies
     *
     * @param Builder $query
     * @return Builder
     */
    public function indexQuery(Builder $query): Builder
    {
        if (request()->brand) {
            $query = $query->where('brand_id', request()->brand);
        }
        return $query;
    }

    /**
     * Overload crud-policies index
     *
     * @param CrudIndexRequest $request
     * @return \Illuminate\Contracts\View\View|\Illuminate\Contracts\View\Factory
     */
    public function index(CrudIndexRequest $request)
    {
        /** @var \Illuminate\View\View */
        $view = $this->crudIndex($request);
        if ($request->ajax()) {
            return $view;
        }
        return view('single_optin.index', $view->getData());
    }
}