mandant-crm/backend/app/Modules/Search/Actions/SearchClientsAction.php

<?php

namespace App\Modules\Search\Actions;

use App\Modules\Client\Models\Client;
use Illuminate\Database\Eloquent\Collection;
use Illuminate\Support\Facades\DB;

final class SearchClientsAction
{
    public function handle(string $query): Collection
    {
        if (DB::connection()->getDriverName() === 'sqlite') {
            return Client::query()
                ->withCount('historyEntries')
                ->withMax('historyEntries', 'created_at')
                ->where(function ($q) use ($query) {
                    $q->where('name', 'like', "%{$query}%")
                        ->orWhere('client_number', 'like', "%{$query}%");
                })
                ->limit(50)
                ->get();
        }

        return Client::query()
            ->withCount('historyEntries')
            ->withMax('historyEntries', 'created_at')
            ->whereRaw(
                'MATCH(client_number, name) AGAINST(? IN BOOLEAN MODE)',
                [$query.'*']
            )
            ->limit(50)
            ->get();
    }
}