resq/src/Controller/GeofenceController.php

<?php

namespace App\Controller;

use App\Ramcar\BaseController;
use App\Entity\SupportedArea;

use Doctrine\ORM\Query;
use Doctrine\ORM\QueryBuilder;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\Security\Core\Encoder\EncoderFactoryInterface;
use Symfony\Component\Validator\Validator\ValidatorInterface;

use CrEOF\Spatial\PHP\Types\Geometry\Point;
use DateTime;

class GeofenceController extends BaseController
{
    public function index()
    {
        $this->denyAccessUnlessGranted('geofence.list', null, 'No access.');

        $params = $this->initParameters('geofence_list');

        return $this->render('geofence/list.html.twig', $params);
    }

    public function rows(Request $req)
    {
        $this->denyAccessUnlessGranted('geofence.list', null, 'No access.');

        // get query builder
        $qb = $this->getDoctrine()
                ->getRepository(SupportedArea::class)
                ->createQueryBuilder('q');

        // get datatable params
        $datatable = $req->get('datatable');

        // count total records
        $tquery = $qb->select('COUNT(q)');
        $this->setQueryFilters($datatable, $tquery);
        $total = $tquery->getQuery()
            ->getSingleScalarResult();

        // get current page number
        $page = $datatable['pagination']['page'] ?? 1;

        $perpage = $datatable['pagination']['perpage'];
        $offset = ($page - 1) * $perpage;

        // add metadata
        $meta = [
            'page' => $page,
            'perpage' => $perpage,
            'pages' => ceil($total / $perpage),
            'total' => $total,
            'sort' => 'asc',
            'field' => 'id'
        ];

        // build query
        $query = $qb->select('q');
        $this->setQueryFilters($datatable, $query);

        // check if sorting is present, otherwise use default
        if (isset($datatable['sort']['field']) && !empty($datatable['sort']['field'])) {
            $order = $datatable['sort']['sort'] ?? 'asc';
            $query->orderBy('q.' . $datatable['sort']['field'], $order);
        } else {
            $query->orderBy('q.id', 'asc');
        }

        // get rows for this page
        $obj_rows = $query->setFirstResult($offset)
            ->setMaxResults($perpage)
            ->getQuery()
            ->getResult();

        // process rows
        $rows = [];
        foreach ($obj_rows as $orow) {
            // add row data
            $row['id'] = $orow->getID();
            $row['name'] = $orow->getName();

            // add row metadata
            $row['meta'] = [
                'update_url' => '',
                'delete_url' => ''
            ];

            // add crud urls
            if ($this->isGranted('geofence.update'))
                $row['meta']['update_url'] = $this->generateUrl('geofence_update', ['id' => $row['id']]);
            if ($this->isGranted('geofence.delete'))
                $row['meta']['delete_url'] = $this->generateUrl('geofence_delete', ['id' => $row['id']]);

            $rows[] = $row;
        }

        // response
        return $this->json([
            'meta' => $meta,
            'data' => $rows
        ]);
    }

    public function addForm()
    {
        $this->denyAccessUnlessGranted('geofence.add', null, 'No access.');

        $params = $this->initParameters('geofence_list');
        $params['obj'] = new SupportedArea();
        $params['mode'] = 'create';

        $this->fillFormTags($params);

        // response
        return $this->render('geofence/form.html.twig', $params);
    }

    public function updateForm($id)
    {
        $this->denyAccessUnlessGranted('geofence.update', null, 'No access.');

        $params = $this->initParameters('geofence_list');

        // get row data
        $em = $this->getDoctrine()->getManager();
        $obj = $em->getRepository(SupportedArea::class)->find($id);

        // make sure this row exists
        if (empty($obj))
            throw $this->createNotFoundException('The item does not exist');

        $params['obj'] = $obj;
        $params['mode'] = 'update';

        $this->fillFormTags($params);

        // response
        return $this->render('geofence/form.html.twig', $params);
    }

    protected function initFormTags(&$params)
    {
        // default to editing, as we have more forms editing than creating
        $params['ftags'] = [
            'set_map_coordinate' => true,
        ];
    }

    protected function fillFormTags(&$params)
    {
        $this->initFormTags($params);

        switch ($params['mode'])
        {
            case 'create':
                $params['ftags']['set_map_coordinate'] = false;
                break;
            case 'update':
                $params['ftags']['set_map_coordinate'] = true;
                break;
        }
    }


    protected function setQueryFilters($datatable, QueryBuilder $query)
    {
        if (isset($datatable['query']['data-rows-search']) && !empty($datatable['query']['data-rows-search'])) {
            $query->where('q.name LIKE :filter')
                ->setParameter('filter', '%' . $datatable['query']['data-rows-search'] . '%');
        }
    }

}