Load custom.css only if exists

[github/wallabag/wallabag.git] / src / Wallabag / CoreBundle / Twig / WallabagExtension.php

diff --git a/src/Wallabag/CoreBundle/Twig/WallabagExtension.php b/src/Wallabag/CoreBundle/Twig/WallabagExtension.php
index 5c475d614b5712e313f4b0a60d00717631c1c01d..47af3c8ec69afb6028bd5b08f05a488b5af5c2a5 100644 (file)
--- a/src/Wallabag/CoreBundle/Twig/WallabagExtension.php
+++ b/src/Wallabag/CoreBundle/Twig/WallabagExtension.php
@@ -3,23 +3,54 @@
 namespace Wallabag\CoreBundle\Twig;
 
 use Symfony\Component\Security\Core\Authentication\Token\Storage\TokenStorageInterface;
+use Symfony\Component\Translation\TranslatorInterface;
+use Twig\Extension\AbstractExtension;
+use Twig\Extension\GlobalsInterface;
+use Twig\TwigFilter;
+use Twig\TwigFunction;
 use Wallabag\CoreBundle\Repository\EntryRepository;
+use Wallabag\CoreBundle\Repository\TagRepository;
 
-class WallabagExtension extends \Twig_Extension implements \Twig_Extension_GlobalsInterface
+class WallabagExtension extends AbstractExtension implements GlobalsInterface
 {
     private $tokenStorage;
-    private $repository;
+    private $entryRepository;
+    private $tagRepository;
+    private $lifeTime;
+    private $translator;
+    private $rootDir;
 
-    public function __construct(EntryRepository $repository = null, TokenStorageInterface $tokenStorage = null)
+    public function __construct(EntryRepository $entryRepository, TagRepository $tagRepository, TokenStorageInterface $tokenStorage, $lifeTime, TranslatorInterface $translator, string $rootDir)
     {
-        $this->repository = $repository;
+        $this->entryRepository = $entryRepository;
+        $this->tagRepository = $tagRepository;
         $this->tokenStorage = $tokenStorage;
+        $this->lifeTime = $lifeTime;
+        $this->translator = $translator;
+        $this->rootDir = $rootDir;
+    }
+
+    public function getGlobals()
+    {
+        return [];
     }
 
     public function getFilters()
     {
         return [
-            new \Twig_SimpleFilter('removeWww', [$this, 'removeWww']),
+            new TwigFilter('removeWww', [$this, 'removeWww']),
+            new TwigFilter('removeScheme', [$this, 'removeScheme']),
+            new TwigFilter('removeSchemeAndWww', [$this, 'removeSchemeAndWww']),
+        ];
+    }
+
+    public function getFunctions()
+    {
+        return [
+            new TwigFunction('count_entries', [$this, 'countEntries']),
+            new TwigFunction('count_tags', [$this, 'countTags']),
+            new TwigFunction('display_stats', [$this, 'displayStats']),
+            new TwigFunction('asset_file_exists', [$this, 'assetFileExists']),
         ];
     }
 
@@ -28,36 +59,118 @@ class WallabagExtension extends \Twig_Extension implements \Twig_Extension_Globa
         return preg_replace('/^www\./i', '', $url);
     }
 
-    public function getGlobals()
+    public function removeScheme($url)
+    {
+        return preg_replace('#^https?://#i', '', $url);
+    }
+
+    public function removeSchemeAndWww($url)
+    {
+        return $this->removeWww($this->removeScheme($url));
+    }
+
+    /**
+     * Return number of entries depending of the type (unread, archive, starred or all).
+     *
+     * @param string $type Type of entries to count
+     *
+     * @return int
+     */
+    public function countEntries($type)
+    {
+        $user = $this->tokenStorage->getToken() ? $this->tokenStorage->getToken()->getUser() : null;
+
+        if (null === $user || !\is_object($user)) {
+            return 0;
+        }
+
+        switch ($type) {
+            case 'starred':
+                $qb = $this->entryRepository->getBuilderForStarredByUser($user->getId());
+                break;
+            case 'archive':
+                $qb = $this->entryRepository->getBuilderForArchiveByUser($user->getId());
+                break;
+            case 'unread':
+                $qb = $this->entryRepository->getBuilderForUnreadByUser($user->getId());
+                break;
+            case 'all':
+                $qb = $this->entryRepository->getBuilderForAllByUser($user->getId());
+                break;
+            default:
+                throw new \InvalidArgumentException(sprintf('Type "%s" is not implemented.', $type));
+        }
+
+        // THANKS to PostgreSQL we CAN'T make a DEAD SIMPLE count(e.id)
+        // ERROR: column "e0_.id" must appear in the GROUP BY clause or be used in an aggregate function
+        $query = $qb
+            ->select('e.id')
+            ->groupBy('e.id')
+            ->getQuery();
+
+        $query->useQueryCache(true);
+        $query->useResultCache(true);
+        $query->setResultCacheLifetime($this->lifeTime);
+
+        return \count($query->getArrayResult());
+    }
+
+    /**
+     * Return number of tags.
+     *
+     * @return int
+     */
+    public function countTags()
     {
         $user = $this->tokenStorage->getToken() ? $this->tokenStorage->getToken()->getUser() : null;
 
-        if (null === $user || !is_object($user)) {
-            return array();
+        if (null === $user || !\is_object($user)) {
+            return 0;
         }
 
-        $unreadEntries = $this->repository->enableCache(
-            $this->repository->getBuilderForUnreadByUser($user->getId())->getQuery()
-        );
+        return $this->tagRepository->countAllTags($user->getId());
+    }
 
-        $starredEntries = $this->repository->enableCache(
-            $this->repository->getBuilderForStarredByUser($user->getId())->getQuery()
-        );
+    /**
+     * Display a single line about reading stats.
+     *
+     * @return string
+     */
+    public function displayStats()
+    {
+        $user = $this->tokenStorage->getToken() ? $this->tokenStorage->getToken()->getUser() : null;
+
+        if (null === $user || !\is_object($user)) {
+            return 0;
+        }
+
+        $query = $this->entryRepository->getBuilderForArchiveByUser($user->getId())
+            ->select('e.id')
+            ->groupBy('e.id')
+            ->getQuery();
+
+        $query->useQueryCache(true);
+        $query->useResultCache(true);
+        $query->setResultCacheLifetime($this->lifeTime);
 
-        $archivedEntries = $this->repository->enableCache(
-            $this->repository->getBuilderForArchiveByUser($user->getId())->getQuery()
-        );
+        $nbArchives = \count($query->getArrayResult());
 
-        $allEntries = $this->repository->enableCache(
-            $this->repository->getBuilderForAllByUser($user->getId())->getQuery()
-        );
+        $interval = $user->getCreatedAt()->diff(new \DateTime('now'));
+        $nbDays = (int) $interval->format('%a') ?: 1;
 
-        return array(
-            'unreadEntries' => count($unreadEntries->getResult()),
-            'starredEntries' => count($starredEntries->getResult()),
-            'archivedEntries' => count($archivedEntries->getResult()),
-            'allEntries' => count($allEntries->getResult()),
-        );
+        // force setlocale for date translation
+        setlocale(LC_TIME, strtolower($user->getConfig()->getLanguage()) . '_' . strtoupper(strtolower($user->getConfig()->getLanguage())));
+
+        return $this->translator->trans('footer.stats', [
+            '%user_creation%' => strftime('%e %B %Y', $user->getCreatedAt()->getTimestamp()),
+            '%nb_archives%' => $nbArchives,
+            '%per_day%' => round($nbArchives / $nbDays, 2),
+        ]);
+    }
+
+    public function assetFileExists($name)
+    {
+        return file_exists(realpath($this->rootDir . '/../web/' . $name));
     }
 
     public function getName()