Invokable query object

closure_example.php

<?php

$searchThreads = app(\App\Queries\SearchThreads::class);

// As a default value.
$results = array_get($someArray, 'foo', $searchThreads)

SearchThreads.php

<?php

namespace App\Queries;

use App\Models\Thread;
use Illuminate\Contracts\Pagination\Paginator;

class SearchThreads
{
    public function __construct()
    {
        // gets resolved through IoC.
    }
  
    /**
     * @return \App\Models\Thread[]
     */
    public static function get(string $keyword, int $perPage = 20): Paginator
    {
        return Thread::feedQuery()
            ->where('threads.subject', 'LIKE', "%$keyword%")
            ->orWhere('threads.body', 'LIKE', "%$keyword%")
            ->paginate($perPage);
    }
}

ThreadsController.php

<?php

namespace App\Http\Controllers\Forum;

use App\Queries\SearchThreads;

use App\Http\Middleware\RedirectIfUnconfirmed;

class ThreadsController extends Controller
{
    public function overview(SearchThreads $searchThreads)
    {
        $threads = $searchThreads(request('search'));
        
        return view('forum.overview', compact('threads'));
    }
}