SovBundle/Twig/TwigExtension.php

<?php

namespace Lc\SovBundle\Twig;

use Doctrine\ORM\EntityManagerInterface;
use EasyCorp\Bundle\EasyAdminBundle\Config\Crud;
use Liip\ImagineBundle\Imagine\Cache\CacheManager;
use Symfony\Component\DependencyInjection\ParameterBag\ParameterBagInterface;
use Symfony\Component\HttpFoundation\RequestStack;
use Symfony\Component\HttpKernel\KernelInterface;
use Symfony\Component\Routing\Generator\UrlGeneratorInterface;
use Symfony\Contracts\Translation\TranslatorInterface;
use Twig\Extension\AbstractExtension;
use Twig\TwigFilter;
use Twig\TwigFunction;

class TwigExtension extends AbstractExtension
{
    protected $em;
    protected $kernel;
    protected $parameterBag;
    protected $cacheManager;
    protected $requestStack;
    protected $router;
    protected $translator;

    public function __construct(
            KernelInterface $kernel,
            ParameterBagInterface $parameterBag,
            CacheManager $cacheManager,
            EntityManagerInterface $entityManager,
            RequestStack $requestStack,
            UrlGeneratorInterface $router,
            TranslatorInterface $translator
    ) {
        $this->kernel = $kernel;
        $this->parameterBag = $parameterBag;
        $this->cacheManager = $cacheManager;
        $this->em = $entityManager;
        $this->requestStack = $requestStack;
        $this->router = $router;
        $this->translator = $translator;
    }

    public function getFunctions()
    {
        return array(
                new TwigFunction('lc_liip', [$this, 'lcLiip']),
                new TwigFunction('homepage_route', [$this, 'homepageRoute']),
                new TwigFunction('page_by_dev_alias', [$this, 'getPageByDevAlias']),
                new TwigFunction('translated_urls', [$this, 'getTranslatedUrls'])
        );
    }


    public function getFilters()
    {
        return [
                new TwigFilter('lc_cache', [$this, 'lcCache']),
                new TwigFilter('lc_trans_admin_field', [$this, 'lcTransAdminField']),
                new TwigFilter('lc_trans_admin_panel', [$this, 'lcTransAdminPanel']),
                new TwigFilter('lc_trans_admin_menu', [$this, 'lcTransAdminMenu']),
                new TwigFilter('lc_trans_admin_title', [$this, 'lcTransAdminTitle']),
        ];
    }

    public function lcCache($file)
    {
        $cacheTime = filemtime($this->kernel->getProjectDir() . '/public' . $file);
        if ($cacheTime) {
            return $file . '?c=' . $cacheTime;
        } else {
            return $file . "?c=0";
        }
    }

    public function lcTransAdminField($fieldName, $entityClass, $isHelp = false)
    {
        if ($isHelp) {
            $fieldName = $fieldName . '_help';
        }

        $entityName = $this->getEntityName($entityClass) ;

        $entityLabel = 'entity.' . $entityName . '.fields.' . $fieldName;
        $translatedLabel = $this->translator->trans($entityLabel, [], 'admin');

        if ($translatedLabel == $entityLabel) {
            $defaultLabel = 'entity.default.fields.' . $fieldName;
            $translatedLabel = $this->translator->trans($defaultLabel, [], 'admin');

            if ($translatedLabel == $defaultLabel) {
                if ($isHelp) {
                    $translatedLabel = '';
                } else {
                    $translatedLabel = $entityLabel;
                }
            }
        }

        return $translatedLabel;
    }

    public function lcTransAdminPanel($panelName, $entityClass)
    {
        $entityName = $this->getEntityName($entityClass) ;

        $panelLabel = 'entity.' . $entityName . '.panels.' . $panelName;
        $translatedLabel = $this->translator->trans($panelLabel, [], 'admin');

        if ($translatedLabel == $panelLabel) {
            $defaultLabel = 'entity.default.panels.' . $panelName;
            $translatedLabel = $this->translator->trans($defaultLabel, [], 'admin');

            if ($translatedLabel == $defaultLabel) {
                $translatedLabel = $panelLabel;
            }
        }

        return $translatedLabel;
    }

    public function lcTransAdminMenu($menuName)
    {
        $menuLabel = 'menu.'.$menuName;
        $translatedLabel = $this->translator->trans($menuLabel, [], 'admin');

        return $translatedLabel ;
    }

    public function lcTransAdminTitle($pageName, $entityClass)
    {
        $entityName = $this->getEntityName($entityClass) ;
        $translatedLabel = '' ;

        if(Crud::PAGE_INDEX == $pageName) {
            $titleLabel = 'entity.'.$entityName.'.label_plurial' ;
            $translatedLabel = $this->translator->trans($titleLabel, [], 'admin');
        }
        elseif(Crud::PAGE_EDIT == $pageName) {
            $entityLabel = 'entity.'.$entityName.'.label' ;
            $translatedEntityLabel = $this->translator->trans($entityLabel, [],'admin');
            $translatedLabel = $this->translator->trans('form.title.edit', ['%name%' => $translatedEntityLabel], 'admin');
        }
        elseif(Crud::PAGE_NEW == $pageName) {
            $entityLabel = 'entity.'.$entityName.'.label' ;
            $translatedEntityLabel = $this->translator->trans($entityLabel, [], 'admin');
            $translatedLabel = $this->translator->trans('form.title.new', ['%name%' => $translatedEntityLabel], 'admin');
        }

        return $translatedLabel ;
    }

    public function getEntityName($entityClass)
    {
        $entityNameExplode = explode('\\', $entityClass);
        $entityName = strtolower($entityNameExplode[count($entityNameExplode) - 1]);
        return $entityName ;
    }

    public function lcLiip($path, $thumb = 'tile', $default = 'default.jpg')
    {
        if (substr($path, 0, 1) === '/') {
            $path = substr($path, 1);
        }

        if ($path) {
            $fileManagerFolder = substr($this->getFileManagerFolder(), 1);

            if (strpos($path, $fileManagerFolder) === false) {
                $path = $fileManagerFolder . '/' . $path;
            }

            if (file_exists($path)) {
                return $this->cacheManager->getBrowserPath($path, $thumb);
            }
        }

        return $this->cacheManager->getBrowserPath($this->getFileManagerFolder() . '/' . $default, $thumb);
    }

    function getTranslatedUrls()
    {
        $ret = array();
        $langs = $this->parameterBag->get('app.locales');
        $currentRoute = $this->requestStack->getCurrentRequest()->get('_route');

        $params = array_merge((array)$this->requestStack->getCurrentRequest()->get('_route_params'), $_GET);

        if ($currentRoute) {
            foreach ($langs as $lg) {
                $ret[$lg] = $this->router->generate($currentRoute, array_merge($params, array('_locale' => $lg)));
            }
        }

        return $ret;
    }

    public function getFileManagerFolder()
    {
        return $this->parameterBag->get('app.path_uploads');
    }

    public function homepageRoute()
    {
        return $this->parameterBag->get('lc_sov.homepage_route');
    }

}