source: app/Http/Controllers/ReviewController.php

<?php

namespace App\Http\Controllers;

use App\Enum\OfferStatus;
use App\Models\Artist;
use App\Models\Offer;
use App\Models\Organizer;
use App\Models\Review;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Auth;

class ReviewController extends Controller
{
    //
    public function __construct()
    {
        $this->middleware(['auth', 'verified', 'onboarding', 'role:organizer']);
    }

    /**
     * Store a newly created resource in storage.
     *
     * @return \Illuminate\Http\RedirectResponse
     */
    public function store(Request $request)
    {
        $hasFinishedOfferForTheArtist = Offer::join('events', 'events.id', '=', 'offers.event_id')
            ->join('organizers', 'organizers.user_id', '=', 'events.organizer_id')
            ->where('organizers.user_id', '=', Auth::id())
            ->where('offers.artist_id', '=', $request->artist_id)
            ->where('offers.status', '=', OfferStatus::COMPLETED->value)
            ->exists();

        if ($hasFinishedOfferForTheArtist) {
            $review = new Review();
            $review->content = $request->comment;
            $review->rating = $request->rating;

            $organizer = Organizer::find(Auth::id());
            $review->organizer()->associate($organizer);

            $artist = Artist::find($request->artist_id);
            $review->artist()->associate($artist);

            $review->save();

            return redirect()->back();
        } else {
            return redirect()->back()
                ->with('warning', 'You can not post a review for this artist!');
        }
    }
}