dealhub/app/Http/Controllers/InteractionController.php

<?php

namespace App\Http\Controllers;

use App\Enums\InteractionType;
use App\Models\Deal;
use Illuminate\Support\Facades\Auth;
use Illuminate\Support\Facades\Log;

class InteractionController extends Controller
{
    public function like(Deal $deal)
    {
        try {
            // Check for existing like of the user with deal
            $user = Auth::user();
            $existingLike = $deal->interactions()
                ->where('user_id', $user->id)
                ->where('type', InteractionType::Like)
                ->first();

            // Delete the existing like if exists
            if ($existingLike) {
                $existingLike->delete();

                return response()->json(['message' => 'Successfully unliked the post.']);
            }

            // Else, create a new like
            $data = [
                'type' => InteractionType::Like,
                'user_id' => Auth::user()->id,
            ];

            Deal::unguard();
            $deal->interactions()->create($data);
            Deal::reguard();

        } catch (\Throwable $e) {
            Log::error('Error when liked a deal: id'.$deal->id.$e->getMessage(), $e->getTrace());

            return response()->json(['error' => 'Something went wrong.'], 500);
        }

        return response()->json(['message' => 'Successfully liked the post.']);
    }
}