Extract database to script node

AccessibilityMapPictureGenerator.php

 <?php
    protected function extractMarkerstoJson() {
        $markersArray = [];

        foreach($this->markers as $marker) {
            $markerObject = new stdClass();

            $markerObject->id = $marker->id;
            $markerObject->type = $marker->type;
            $markerObject->subtype = $marker->subtype;
            $markerObject->coordinates = [];
            
            foreach($marker->coordinates()->get() as $coordinate) {
                $coordinateArray = [$coordinate->latitude, $coordinate->longitude];
                $markerObject->coordinates[] = $coordinateArray;
            }

            $markersArray[] = $markerObject;
        }

        return json_encode($markersArray);
    }

    protected function extractPolygonsToJson() {
        $polygonsArray = [];

        foreach($this->polygons as $polygon) {
            $polygonObject = new stdClass();

            $polygonObject->id = $polygon->id;
            $polygonObject->type = $polygon->type;
            $polygonObject->subtype = $polygon->subtype;
            $polygonObject->coordinates = [];
            
            foreach($polygon->coordinates()->get() as $coordinate) {
                $coordinateArray = [$coordinate->latitude, $coordinate->longitude];
                $polygonObject->coordinates[] = $coordinateArray;
            }

            $polygonsArray[] = $polygonObject;
        }

        return json_encode($polygonsArray);
    }