ldc-crm/app/Http/Controllers/Api/WebhookController.php

<?php

namespace App\Http\Controllers\Api;

use App\Http\Controllers\Controller;
use App\Lib\Helpers\MailjetHelper;
use App\Models\Brand;
use Illuminate\Http\Request;
use App\Exceptions\MailjetException;

class WebhookController extends Controller
{
    /**
     * Handles incoming Mailjet webhook events
     *
     * @param Request $request
     * @return \Illuminate\Http\JsonResponse
     */
    public function handleMailjetWebhook(Request $request): \Illuminate\Http\JsonResponse
    {
        $data = $request->all();

        if ($data["event"] === "spam") {
            try {
                $campaign = MailjetHelper::getCampaign($data['mj_campaign_id']);

                if (!$campaign) {
                    return response()->json(['status' => 'error', 'message' => 'Campaign not found']);
                }

                $brand = Brand::getBrandByNewsletterEmail($campaign[0]['FromEmail']);
                if (!$brand) {
                    return response()->json(['status' => 'error', 'message' => 'Brand not found']);
                }

                MailjetHelper::unsubscribeContact($brand, $data['email']);

                return response()->json(['status' => 'ok']);
            } catch (MailjetException $e) {
                report($e);

                return response()->json(['status' => 'error', 'message' => $e->returnedMessage]);
            }
        }//end if
    }
}