thetool/application/PreorderIFrame/PreorderIFrameController.php

<?php
// in /controllers/PreorderIFrameController.php

class PreorderIFrameController extends mfBaseController
{

    private PreorderIFrameModel $preorderIFrameModel;

    public function init()
    {
        // The model is autoloaded or included elsewhere
//         'X-Requested-With': 'XMLHttpRequest', 'X-Frame-Options': 'SAMEORIGIN', 'X-Frame-Referrer': document.referrer
        $this->preorderIFrameModel = new PreorderIFrameModel();
    }

    /**
     * Serves the main order form HTML.
     * This action injects the necessary configuration into the Vue app.
     */
    public function indexAction()
    {
        $clusterId = $this->request->get('clusterId', 'NULL');
        $color = $this->request->get('color', 'blue');

        $vue_config = [
            'baseUrl' => '/PreorderIFrame', // URL to this controller
            'clusterId' => $clusterId !== NULL ? intval($clusterId) : null,
            'color' => htmlspecialchars($color),
        ];

        $this->layout()->set("JSGlobals", $vue_config);
        $this->layout()->setTemplate("VueViews/PreorderIFrame");
    }

    // --- API ENDPOINTS ---

    public function getClustersAction() {
        self::returnJson(['clusters' => $this->preorderIFrameModel->getClusters($_SERVER['HTTP_X_FRAME_REFERRER'])]);
    }

    public function findCityAction()
    {
        $allowedClusters = $this->preorderIFrameModel->getClusters($_SERVER['HTTP_X_FRAME_REFERRER']);

        $zip = $this->request->get('zip');
        $clusterId = $this->request->get('cluster_id');
        $cities = $this->preorderIFrameModel->findCities($zip, $clusterId);
        self::returnJson(['cities' => $cities]);
    }

    public function findStreetAction()
    {
//        $this->checkOriginAndGetCampaign(); // Security check
        $zip = $this->request->get('zip');
        $city = $this->request->get('city');
        $clusterId = $this->request->get('cluster_id');
        $streets = $this->preorderIFrameModel->findStreets($zip, $city, $clusterId);
        self::returnJson(['streets' => $streets]);
    }

    public function findAddressAction()
    {
        $addresses = $this->preorderIFrameModel->findAddresses($_GET);
        self::returnJson(['addresses' => $addresses]);
    }

    public function submitOrderAction()
    {
        $requestBody = file_get_contents('php://input');
        $preorderData = json_decode($requestBody, true);

        if (json_last_error() !== JSON_ERROR_NONE) self::sendError("Invalid JSON data.");

        $tt_network = NetworkModel::getFirst(['adb_network_id' => $preorderData['additionalData']['clusterId']]);
        if (!$tt_network) self::sendError("No network found for the given cluster ID.");

        $campaign = PreordercampaignModel::getFirst(['network_id' => $tt_network->id]);
        if (!$campaign) self::sendError("No campaign found for the given cluster ID.");

        $h = new ADBHausnummer($preorderData['address']['hausnummer_id']);
        if (!$h->id) self::sendError("Invalid house number ID provided.");

        $w = new ADBWohneinheit($preorderData['address']['wohneinheit_id']);
        if ($preorderData['address']['wohneinheit_id'] && !$w->id) self::sendError("Invalid unit ID provided.");

        $data = [];
        $data['preordercampaign_id'] = $campaign->id;
        $data['adb_hausnummer_id'] = $preorderData['address']['hausnummer_id'];
        $data['adb_wohneinheit_id'] = $preorderData['address']['wohneinheit_id'];


        $new_status = null;
        if ($data['adb_wohneinheit_id'] && $w->id) {
            $status_code = max($w->status->code, $w->hausnummer->status->code);
            $new_status = PreorderstatusModel::getFirst(["code" => $status_code]);
        } elseif ($data['adb_hausnummer_id'] && $h->id) {
            $new_status = PreorderstatusModel::getFirst(["code" => $h->status->code]);
        }
        $data["status_id"] = $new_status ? $new_status->id : 1;

        $data['type'] = $preorderData['connectionType'] === 'vorsorge' ? 'provision' : 'order';
        $data['connection_type'] = $preorderData['customerType'] === 'business' ? 'business' : 'single-dwelling';

        $data['accept_agb'] = $preorderData['acceptAgb'] ? 1 : 0;
        $data['accept_dsgvo'] = $preorderData['acceptDsgvo'] ? 1 : 0;
        $data['accept_marketing'] = $preorderData['acceptMarketing'] ? 1 : 0;
        $data['accept_withdrawal'] = $preorderData['acceptWithdrawal'] ? 1 : 0;
        $data['submit_request'] = json_encode($preorderData);

        $data['firstname'] = trim($preorderData['customer']['firstname']);
        $data['lastname'] = trim($preorderData['customer']['lastname']);
        $data['company'] = (trim($preorderData['customer']['company'])) ?: null;
        $data['street'] = (trim($preorderData['customer']['street'])) ?: null;
        $data['housenumber'] = (trim($preorderData['customer']['housenumber'])) ?: null;
        $data['zip'] = (trim($preorderData['customer']['zip'])) ?: null;
        $data['city'] = (trim($preorderData['customer']['city'])) ?: null;
        $data['phone'] = (trim($preorderData['customer']['phone'])) ?: null;
        $data['email'] = (trim($preorderData['customer']['email'])) ?: null;

        $data['edit_by'] = 1;
        $data['create_by'] = 1;

        $preorder = PreorderModel::create($data);
        $preorder->createUcode();
        $new_id = $preorder->save();

        if (!$new_id) {
            self::sendError("Failed to create preorder record.");
        }

        self::returnJson(['orderCode' => $preorder->ucode, 'status' => 'success']);
    }
}