ldc-web/app/Http/Controllers/API/StatusCheckerController.php

<?php

namespace App\Http\Controllers\API;

use App\Http\Controllers\Controller;
use App\Http\Requests\Api\UpdateProjectStatusRequest;
use App\Models\ProjectsStatusChecker;

class StatusCheckerController extends Controller
{
    /**
     * Undocumented function
     *
     * @param \App\Http\Requests\Api\UpdateProjectStatusRequest $request
     * @return \Illuminate\Http\Response|\Illuminate\Contracts\Routing\ResponseFactory
     */
    public function index(UpdateProjectStatusRequest $request)
    {
        /** @var \App\Models\ProjectsStatusChecker */
        $project_sc = ProjectsStatusChecker::where('project_uuid', '=', $request->uuid)
            ->firstOrNew();

        $project_sc->fill($request->validated());
        return $project_sc->save() ? response('OK') : response('KO');
    }
}