b2in/app/Http/Controllers/Api/ModulePreviewController.php

<?php

namespace App\Http\Controllers\Api;

use App\Http\Controllers\Controller;
use App\Models\DisplayVersion;
use App\Models\DisplayVersionItem;
use App\Services\DisplayPlaylistConfigBuilder;
use Illuminate\Http\JsonResponse;
use Symfony\Component\HttpFoundation\BinaryFileResponse;

class ModulePreviewController extends Controller
{
    public function show(DisplayVersion $module): BinaryFileResponse
    {
        return $this->playerResponse();
    }

    public function showItem(DisplayVersion $module, DisplayVersionItem $item): BinaryFileResponse
    {
        abort_unless($item->display_version_id === $module->id, 404);

        return $this->playerResponse();
    }

    private function playerResponse(): BinaryFileResponse
    {
        return response()->file(public_path('_cabinet/display/index.html'), [
            'Cache-Control' => 'no-cache, must-revalidate',
        ]);
    }

    public function config(DisplayVersion $module, DisplayPlaylistConfigBuilder $configBuilder): JsonResponse
    {
        $module->load('items');

        if (! $module->is_active) {
            return response()->json(['error' => 'Module preview not configured'], 404);
        }

        return response()->json($configBuilder->fromModules($module->newCollection([$module])));
    }

    public function configItem(DisplayVersion $module, DisplayVersionItem $item, DisplayPlaylistConfigBuilder $configBuilder): JsonResponse
    {
        abort_unless($item->display_version_id === $module->id, 404);

        if (! $module->is_active) {
            return response()->json(['error' => 'Module preview not configured'], 404);
        }

        $item->is_active = true;
        $module->setRelation('items', $item->newCollection([$item]));

        return response()->json($configBuilder->fromModules($module->newCollection([$module]), $item->updated_at));
    }
}