26 files changed, 339 insertions, 185 deletions

diff --git a/src/Wallabag/CoreBundle/Controller/ExportController.php b/src/Wallabag/CoreBundle/Controller/ExportController.php
index 0d2b15c5..9ff35ff5 100644
--- a/src/Wallabag/CoreBundle/Controller/ExportController.php
+++ b/src/Wallabag/CoreBundle/Controller/ExportController.php
@@ -58,6 +58,7 @@ class ExportController extends Controller
         $method = ucfirst($category);
         $methodBuilder = 'getBuilderFor' . $method . 'ByUser';
         $repository = $this->get('wallabag_core.entry_repository');
+        $title = $method;
 
         if ('tag_entries' === $category) {
             $tag = $this->get('wallabag_core.tag_repository')->findOneBySlug($request->query->get('tag'));
@@ -66,6 +67,8 @@ class ExportController extends Controller
                 $this->getUser()->getId(),
                 $tag->getId()
             );
+
+            $title = 'Tag ' . $tag->getLabel();
         } else {
             $entries = $repository
                 ->$methodBuilder($this->getUser()->getId())
@@ -76,7 +79,7 @@ class ExportController extends Controller
         try {
             return $this->get('wallabag_core.helper.entries_export')
                 ->setEntries($entries)
-                ->updateTitle($method)
+                ->updateTitle($title)
                 ->updateAuthor($method)
                 ->exportAs($format);
         } catch (\InvalidArgumentException $e) {
diff --git a/src/Wallabag/CoreBundle/DataFixtures/EntryFixtures.php b/src/Wallabag/CoreBundle/DataFixtures/EntryFixtures.php
index 0bd58487..024fcfdc 100644
--- a/src/Wallabag/CoreBundle/DataFixtures/EntryFixtures.php
+++ b/src/Wallabag/CoreBundle/DataFixtures/EntryFixtures.php
@@ -15,97 +15,112 @@ class EntryFixtures extends Fixture implements DependentFixtureInterface
      */
     public function load(ObjectManager $manager)
     {
-        $entry1 = new Entry($this->getReference('admin-user'));
-        $entry1->setUrl('http://0.0.0.0/entry1');
-        $entry1->setReadingTime(11);
-        $entry1->setDomainName('domain.io');
-        $entry1->setMimetype('text/html');
-        $entry1->setTitle('test title entry1');
-        $entry1->setContent('This is my content /o/');
-        $entry1->setLanguage('en');
-
-        $entry1->addTag($this->getReference('foo-tag'));
-        $entry1->addTag($this->getReference('baz-tag'));
-
-        $manager->persist($entry1);
-
-        $this->addReference('entry1', $entry1);
-
-        $entry2 = new Entry($this->getReference('admin-user'));
-        $entry2->setUrl('http://0.0.0.0/entry2');
-        $entry2->setReadingTime(1);
-        $entry2->setDomainName('domain.io');
-        $entry2->setMimetype('text/html');
-        $entry2->setTitle('test title entry2');
-        $entry2->setContent('This is my content /o/');
-        $entry2->setOriginUrl('ftp://oneftp.tld');
-        $entry2->setLanguage('fr');
-
-        $manager->persist($entry2);
-
-        $this->addReference('entry2', $entry2);
-
-        $entry3 = new Entry($this->getReference('bob-user'));
-        $entry3->setUrl('http://0.0.0.0/entry3');
-        $entry3->setReadingTime(1);
-        $entry3->setDomainName('domain.io');
-        $entry3->setMimetype('text/html');
-        $entry3->setTitle('test title entry3');
-        $entry3->setContent('This is my content /o/');
-        $entry3->setLanguage('en');
-
-        $entry3->addTag($this->getReference('foo-tag'));
-        $entry3->addTag($this->getReference('bar-tag'));
-
-        $manager->persist($entry3);
-
-        $this->addReference('entry3', $entry3);
-
-        $entry4 = new Entry($this->getReference('admin-user'));
-        $entry4->setUrl('http://0.0.0.0/entry4');
-        $entry4->setReadingTime(12);
-        $entry4->setDomainName('domain.io');
-        $entry4->setMimetype('text/html');
-        $entry4->setTitle('test title entry4');
-        $entry4->setContent('This is my content /o/');
-        $entry4->setLanguage('en');
-
-        $entry4->addTag($this->getReference('foo-tag'));
-        $entry4->addTag($this->getReference('bar-tag'));
-
-        $manager->persist($entry4);
-
-        $this->addReference('entry4', $entry4);
-
-        $entry5 = new Entry($this->getReference('admin-user'));
-        $entry5->setUrl('http://0.0.0.0/entry5');
-        $entry5->setReadingTime(12);
-        $entry5->setDomainName('domain.io');
-        $entry5->setMimetype('text/html');
-        $entry5->setTitle('test title entry5');
-        $entry5->setContent('This is my content /o/');
-        $entry5->setStarred(true);
-        $entry5->setLanguage('fr');
-        $entry5->setPreviewPicture('http://0.0.0.0/image.jpg');
-
-        $manager->persist($entry5);
-
-        $this->addReference('entry5', $entry5);
-
-        $entry6 = new Entry($this->getReference('admin-user'));
-        $entry6->setUrl('http://0.0.0.0/entry6');
-        $entry6->setReadingTime(12);
-        $entry6->setDomainName('domain.io');
-        $entry6->setMimetype('text/html');
-        $entry6->setTitle('test title entry6');
-        $entry6->setContent('This is my content /o/');
-        $entry6->updateArchived(true);
-        $entry6->setLanguage('de');
-        $entry6->addTag($this->getReference('bar-tag'));
-
-        $manager->persist($entry6);
+        $entries = [
+            'entry1' => [
+                'user' => 'admin-user',
+                'url' => 'http://0.0.0.0/entry1',
+                'reading_time' => 11,
+                'domain' => 'domain.io',
+                'mime' => 'text/html',
+                'title' => 'test title entry1',
+                'content' => 'This is my content /o/',
+                'language' => 'en',
+                'tags' => ['foo-tag', 'baz-tag'],
+            ],
+            'entry2' => [
+                'user' => 'admin-user',
+                'url' => 'http://0.0.0.0/entry2',
+                'reading_time' => 1,
+                'domain' => 'domain.io',
+                'mime' => 'text/html',
+                'title' => 'test title entry2',
+                'content' => 'This is my content /o/',
+                'origin' => 'ftp://oneftp.tld',
+                'language' => 'fr',
+            ],
+            'entry3' => [
+                'user' => 'bob-user',
+                'url' => 'http://0.0.0.0/entry3',
+                'reading_time' => 1,
+                'domain' => 'domain.io',
+                'mime' => 'text/html',
+                'title' => 'test title entry3',
+                'content' => 'This is my content /o/',
+                'language' => 'en',
+                'tags' => ['foo-tag', 'bar-tag', 'bob-tag'],
+            ],
+            'entry4' => [
+                'user' => 'admin-user',
+                'url' => 'http://0.0.0.0/entry4',
+                'reading_time' => 12,
+                'domain' => 'domain.io',
+                'mime' => 'text/html',
+                'title' => 'test title entry4',
+                'content' => 'This is my content /o/',
+                'language' => 'en',
+                'tags' => ['foo-tag', 'bar-tag'],
+            ],
+            'entry5' => [
+                'user' => 'admin-user',
+                'url' => 'http://0.0.0.0/entry5',
+                'reading_time' => 12,
+                'domain' => 'domain.io',
+                'mime' => 'text/html',
+                'title' => 'test title entry5',
+                'content' => 'This is my content /o/',
+                'language' => 'fr',
+                'starred' => true,
+                'preview' => 'http://0.0.0.0/image.jpg',
+            ],
+            'entry6' => [
+                'user' => 'admin-user',
+                'url' => 'http://0.0.0.0/entry6',
+                'reading_time' => 12,
+                'domain' => 'domain.io',
+                'mime' => 'text/html',
+                'title' => 'test title entry6',
+                'content' => 'This is my content /o/',
+                'language' => 'de',
+                'archived' => true,
+                'tags' => ['bar-tag'],
+            ],
+        ];
 
-        $this->addReference('entry6', $entry6);
+        foreach ($entries as $reference => $item) {
+            $entry = new Entry($this->getReference($item['user']));
+            $entry->setUrl($item['url']);
+            $entry->setReadingTime($item['reading_time']);
+            $entry->setDomainName($item['domain']);
+            $entry->setMimetype($item['mime']);
+            $entry->setTitle($item['title']);
+            $entry->setContent($item['content']);
+            $entry->setLanguage($item['language']);
+
+            if (isset($item['tags'])) {
+                foreach ($item['tags'] as $tag) {
+                    $entry->addTag($this->getReference($tag));
+                }
+            }
+
+            if (isset($item['origin'])) {
+                $entry->setOriginUrl($item['origin']);
+            }
+
+            if (isset($item['starred'])) {
+                $entry->setStarred($item['starred']);
+            }
+
+            if (isset($item['archived'])) {
+                $entry->setArchived($item['archived']);
+            }
+
+            if (isset($item['preview'])) {
+                $entry->setPreviewPicture($item['preview']);
+            }
+
+            $manager->persist($entry);
+            $this->addReference($reference, $entry);
+        }
 
         $manager->flush();
     }
diff --git a/src/Wallabag/CoreBundle/DataFixtures/TagFixtures.php b/src/Wallabag/CoreBundle/DataFixtures/TagFixtures.php
index d78dd0b8..58a0d799 100644
--- a/src/Wallabag/CoreBundle/DataFixtures/TagFixtures.php
+++ b/src/Wallabag/CoreBundle/DataFixtures/TagFixtures.php
@@ -13,33 +13,22 @@ class TagFixtures extends Fixture
      */
     public function load(ObjectManager $manager)
     {
-        $tag1 = new Tag();
-        $tag1->setLabel('foo bar');
-
-        $manager->persist($tag1);
-
-        $this->addReference('foo-bar-tag', $tag1);
-
-        $tag2 = new Tag();
-        $tag2->setLabel('bar');
-
-        $manager->persist($tag2);
-
-        $this->addReference('bar-tag', $tag2);
-
-        $tag3 = new Tag();
-        $tag3->setLabel('baz');
-
-        $manager->persist($tag3);
-
-        $this->addReference('baz-tag', $tag3);
-
-        $tag4 = new Tag();
-        $tag4->setLabel('foo');
-
-        $manager->persist($tag4);
-
-        $this->addReference('foo-tag', $tag4);
+        $tags = [
+            'foo-bar-tag' => 'foo bar', //tag used for EntryControllerTest
+            'bar-tag' => 'bar',
+            'baz-tag' => 'baz', // tag used for ExportControllerTest
+            'foo-tag' => 'foo',
+            'bob-tag' => 'bob', // tag used for TagRestControllerTest
+        ];
+
+        foreach ($tags as $reference => $label) {
+            $tag = new Tag();
+            $tag->setLabel($label);
+
+            $manager->persist($tag);
+
+            $this->addReference($reference, $tag);
+        }
 
         $manager->flush();
     }
diff --git a/src/Wallabag/CoreBundle/Helper/EntriesExport.php b/src/Wallabag/CoreBundle/Helper/EntriesExport.php
index cbf1037b..64591687 100644
--- a/src/Wallabag/CoreBundle/Helper/EntriesExport.php
+++ b/src/Wallabag/CoreBundle/Helper/EntriesExport.php
@@ -85,7 +85,7 @@ class EntriesExport
     public function updateAuthor($method)
     {
         if ('entry' !== $method) {
-            $this->author = $method . ' authors';
+            $this->author = 'Various authors';
 
             return $this;
         }
@@ -150,8 +150,6 @@ class EntriesExport
          */
 
         $book->setTitle($this->title);
-        // Could also be the ISBN number, prefered for published books, or a UUID.
-        $book->setIdentifier($this->title, EPub::IDENTIFIER_URI);
         // Not needed, but included for the example, Language is mandatory, but EPub defaults to "en". Use RFC3066 Language codes, such as "en", "da", "fr" etc.
         $book->setLanguage($this->language);
         $book->setDescription('Some articles saved on my wallabag');
@@ -174,27 +172,49 @@ class EntriesExport
             $book->setCoverImage('Cover.png', file_get_contents($this->logoPath), 'image/png');
         }
 
+        $entryIds = [];
+        $entryCount = \count($this->entries);
+        $i = 0;
+
         /*
          * Adding actual entries
          */
 
         // set tags as subjects
         foreach ($this->entries as $entry) {
+            ++$i;
             foreach ($entry->getTags() as $tag) {
                 $book->setSubject($tag->getLabel());
             }
+            $filename = sha1($entry->getTitle());
 
-            // the reader in Kobo Devices doesn't likes special caracters
-            // in filenames, we limit to A-z/0-9
-            $filename = preg_replace('/[^A-Za-z0-9\-]/', '', $entry->getTitle());
+            $publishedBy = $entry->getPublishedBy();
+            $authors = $this->translator->trans('export.unknown');
+            if (!empty($publishedBy)) {
+                $authors = implode(',', $publishedBy);
+            }
 
-            $titlepage = $content_start . '<h1>' . $entry->getTitle() . '</h1>' . $this->getExportInformation('PHPePub') . $bookEnd;
-            $book->addChapter('Title', 'Title.html', $titlepage, true, EPub::EXTERNAL_REF_ADD);
+            $titlepage = $content_start .
+                '<h1>' . $entry->getTitle() . '</h1>' .
+                '<dl>' .
+                '<dt>' . $this->translator->trans('entry.view.published_by') . '</dt><dd>' . $authors . '</dd>' .
+                '<dt>' . $this->translator->trans('entry.metadata.reading_time') . '</dt><dd>' . $this->translator->trans('entry.metadata.reading_time_minutes_short', ['%readingTime%' => $entry->getReadingTime()]) . '</dd>' .
+                '<dt>' . $this->translator->trans('entry.metadata.added_on') . '</dt><dd>' . $entry->getCreatedAt()->format('Y-m-d') . '</dd>' .
+                '<dt>' . $this->translator->trans('entry.metadata.address') . '</dt><dd><a href="' . $entry->getUrl() . '">' . $entry->getUrl() . '</a></dd>' .
+                '</dl>' .
+                $bookEnd;
+            $book->addChapter("Entry {$i} of {$entryCount}", "{$filename}_cover.html", $titlepage, true, EPub::EXTERNAL_REF_ADD);
             $chapter = $content_start . $entry->getContent() . $bookEnd;
-            $book->addChapter($entry->getTitle(), htmlspecialchars($filename) . '.html', $chapter, true, EPub::EXTERNAL_REF_ADD);
+
+            $entryIds[] = $entry->getId();
+            $book->addChapter($entry->getTitle(), "{$filename}.html", $chapter, true, EPub::EXTERNAL_REF_ADD);
         }
 
-        $book->buildTOC();
+        $book->addChapter('Notices', 'Cover2.html', $content_start . $this->getExportInformation('PHPePub') . $bookEnd);
+
+        // Could also be the ISBN number, prefered for published books, or a UUID.
+        $hash = sha1(sprintf('%s:%s', $this->wallabagUrl, implode(',', $entryIds)));
+        $book->setIdentifier(sprintf('urn:wallabag:%s', $hash), EPub::IDENTIFIER_URI);
 
         return Response::create(
             $book->getBook(),
@@ -202,7 +222,7 @@ class EntriesExport
             [
                 'Content-Description' => 'File Transfer',
                 'Content-type' => 'application/epub+zip',
-                'Content-Disposition' => 'attachment; filename="' . $this->title . '.epub"',
+                'Content-Disposition' => 'attachment; filename="' . $this->getSanitizedFilename() . '.epub"',
                 'Content-Transfer-Encoding' => 'binary',
             ]
         );
@@ -244,9 +264,6 @@ class EntriesExport
         }
         $mobi->setContentProvider($content);
 
-        // the browser inside Kindle Devices doesn't likes special caracters either, we limit to A-z/0-9
-        $this->title = preg_replace('/[^A-Za-z0-9\-]/', '', $this->title);
-
         return Response::create(
             $mobi->toString(),
             200,
@@ -254,7 +271,7 @@ class EntriesExport
                 'Accept-Ranges' => 'bytes',
                 'Content-Description' => 'File Transfer',
                 'Content-type' => 'application/x-mobipocket-ebook',
-                'Content-Disposition' => 'attachment; filename="' . $this->title . '.mobi"',
+                'Content-Disposition' => 'attachment; filename="' . $this->getSanitizedFilename() . '.mobi"',
                 'Content-Transfer-Encoding' => 'binary',
             ]
         );
@@ -279,14 +296,6 @@ class EntriesExport
         $pdf->SetKeywords('wallabag');
 
         /*
-         * Front page
-         */
-        $pdf->AddPage();
-        $intro = '<h1>' . $this->title . '</h1>' . $this->getExportInformation('tcpdf');
-
-        $pdf->writeHTMLCell(0, 0, '', '', $intro, 0, 1, 0, true, '', true);
-
-        /*
          * Adding actual entries
          */
         foreach ($this->entries as $entry) {
@@ -294,6 +303,22 @@ class EntriesExport
                 $pdf->SetKeywords($tag->getLabel());
             }
 
+            $publishedBy = $entry->getPublishedBy();
+            $authors = $this->translator->trans('export.unknown');
+            if (!empty($publishedBy)) {
+                $authors = implode(',', $publishedBy);
+            }
+
+            $pdf->addPage();
+            $html = '<h1>' . $entry->getTitle() . '</h1>' .
+                '<dl>' .
+                '<dt>' . $this->translator->trans('entry.view.published_by') . '</dt><dd>' . $authors . '</dd>' .
+                '<dt>' . $this->translator->trans('entry.metadata.reading_time') . '</dt><dd>' . $this->translator->trans('entry.metadata.reading_time_minutes_short', ['%readingTime%' => $entry->getReadingTime()]) . '</dd>' .
+                '<dt>' . $this->translator->trans('entry.metadata.added_on') . '</dt><dd>' . $entry->getCreatedAt()->format('Y-m-d') . '</dd>' .
+                '<dt>' . $this->translator->trans('entry.metadata.address') . '</dt><dd><a href="' . $entry->getUrl() . '">' . $entry->getUrl() . '</a></dd>' .
+                '</dl>';
+            $pdf->writeHTMLCell(0, 0, '', '', $html, 0, 1, 0, true, '', true);
+
             $pdf->AddPage();
             $html = '<h1>' . $entry->getTitle() . '</h1>';
             $html .= $entry->getContent();
@@ -301,6 +326,14 @@ class EntriesExport
             $pdf->writeHTMLCell(0, 0, '', '', $html, 0, 1, 0, true, '', true);
         }
 
+        /*
+         * Last page
+         */
+        $pdf->AddPage();
+        $html = $this->getExportInformation('tcpdf');
+
+        $pdf->writeHTMLCell(0, 0, '', '', $html, 0, 1, 0, true, '', true);
+
         // set image scale factor
         $pdf->setImageScale(PDF_IMAGE_SCALE_RATIO);
 
@@ -310,7 +343,7 @@ class EntriesExport
             [
                 'Content-Description' => 'File Transfer',
                 'Content-type' => 'application/pdf',
-                'Content-Disposition' => 'attachment; filename="' . $this->title . '.pdf"',
+                'Content-Disposition' => 'attachment; filename="' . $this->getSanitizedFilename() . '.pdf"',
                 'Content-Transfer-Encoding' => 'binary',
             ]
         );
@@ -356,7 +389,7 @@ class EntriesExport
             200,
             [
                 'Content-type' => 'application/csv',
-                'Content-Disposition' => 'attachment; filename="' . $this->title . '.csv"',
+                'Content-Disposition' => 'attachment; filename="' . $this->getSanitizedFilename() . '.csv"',
                 'Content-Transfer-Encoding' => 'UTF-8',
             ]
         );
@@ -374,7 +407,7 @@ class EntriesExport
             200,
             [
                 'Content-type' => 'application/json',
-                'Content-Disposition' => 'attachment; filename="' . $this->title . '.json"',
+                'Content-Disposition' => 'attachment; filename="' . $this->getSanitizedFilename() . '.json"',
                 'Content-Transfer-Encoding' => 'UTF-8',
             ]
         );
@@ -392,7 +425,7 @@ class EntriesExport
             200,
             [
                 'Content-type' => 'application/xml',
-                'Content-Disposition' => 'attachment; filename="' . $this->title . '.xml"',
+                'Content-Disposition' => 'attachment; filename="' . $this->getSanitizedFilename() . '.xml"',
                 'Content-Transfer-Encoding' => 'UTF-8',
             ]
         );
@@ -418,7 +451,7 @@ class EntriesExport
             200,
             [
                 'Content-type' => 'text/plain',
-                'Content-Disposition' => 'attachment; filename="' . $this->title . '.txt"',
+                'Content-Disposition' => 'attachment; filename="' . $this->getSanitizedFilename() . '.txt"',
                 'Content-Transfer-Encoding' => 'UTF-8',
             ]
         );
@@ -461,4 +494,15 @@ class EntriesExport
 
         return str_replace('%IMAGE%', '', $info);
     }
+
+    /**
+     * Return a sanitized version of the title by applying translit iconv
+     * and removing non alphanumeric characters, - and space.
+     *
+     * @return string Sanitized filename
+     */
+    private function getSanitizedFilename()
+    {
+        return preg_replace('/[^A-Za-z0-9\- \']/', '', iconv('utf-8', 'us-ascii//TRANSLIT', $this->title));
+    }
 }
diff --git a/src/Wallabag/CoreBundle/Repository/EntryRepository.php b/src/Wallabag/CoreBundle/Repository/EntryRepository.php
index 93c630c0..8b6cf443 100644
--- a/src/Wallabag/CoreBundle/Repository/EntryRepository.php
+++ b/src/Wallabag/CoreBundle/Repository/EntryRepository.php
@@ -142,7 +142,7 @@ class EntryRepository extends EntityRepository
      *
      * @return Pagerfanta
      */
-    public function findEntries($userId, $isArchived = null, $isStarred = null, $isPublic = null, $sort = 'created', $order = 'ASC', $since = 0, $tags = '')
+    public function findEntries($userId, $isArchived = null, $isStarred = null, $isPublic = null, $sort = 'created', $order = 'asc', $since = 0, $tags = '')
     {
         $qb = $this->createQueryBuilder('e')
             ->leftJoin('e.tags', 't')
@@ -185,6 +185,10 @@ class EntryRepository extends EntityRepository
             }
         }
 
+        if (!\in_array(strtolower($order), ['asc', 'desc'], true)) {
+            throw new \Exception('Order "' . $order . '" parameter is wrong, allowed: asc or desc');
+        }
+
         if ('created' === $sort) {
             $qb->orderBy('e.id', $order);
         } elseif ('updated' === $sort) {
diff --git a/src/Wallabag/CoreBundle/Repository/TagRepository.php b/src/Wallabag/CoreBundle/Repository/TagRepository.php
index 3ae9d414..8464a6a5 100644
--- a/src/Wallabag/CoreBundle/Repository/TagRepository.php
+++ b/src/Wallabag/CoreBundle/Repository/TagRepository.php
@@ -3,6 +3,7 @@
 namespace Wallabag\CoreBundle\Repository;
 
 use Doctrine\ORM\EntityRepository;
+use Doctrine\ORM\QueryBuilder;
 use Wallabag\CoreBundle\Entity\Tag;
 
 class TagRepository extends EntityRepository
@@ -45,12 +46,8 @@ class TagRepository extends EntityRepository
      */
     public function findAllTags($userId)
     {
-        $ids = $this->createQueryBuilder('t')
+        $ids = $this->getQueryBuilderByUser($userId)
             ->select('t.id')
-            ->leftJoin('t.entries', 'e')
-            ->where('e.user = :userId')->setParameter('userId', $userId)
-            ->groupBy('t.id')
-            ->orderBy('t.slug')
             ->getQuery()
             ->getArrayResult();
 
@@ -71,18 +68,30 @@ class TagRepository extends EntityRepository
      */
     public function findAllFlatTagsWithNbEntries($userId)
     {
-        return $this->createQueryBuilder('t')
+        return $this->getQueryBuilderByUser($userId)
             ->select('t.id, t.label, t.slug, count(e.id) as nbEntries')
             ->distinct(true)
-            ->leftJoin('t.entries', 'e')
-            ->where('e.user = :userId')
-            ->groupBy('t.id')
-            ->orderBy('t.slug')
-            ->setParameter('userId', $userId)
             ->getQuery()
             ->getArrayResult();
     }
 
+    public function findByLabelsAndUser($labels, $userId)
+    {
+        $qb = $this->getQueryBuilderByUser($userId)
+            ->select('t.id');
+
+        $ids = $qb->andWhere($qb->expr()->in('t.label', $labels))
+            ->getQuery()
+            ->getArrayResult();
+
+        $tags = [];
+        foreach ($ids as $id) {
+            $tags[] = $this->find($id);
+        }
+
+        return $tags;
+    }
+
     /**
      * Used only in test case to get a tag for our entry.
      *
@@ -101,13 +110,9 @@ class TagRepository extends EntityRepository
 
     public function findForArchivedArticlesByUser($userId)
     {
-        $ids = $this->createQueryBuilder('t')
+        $ids = $this->getQueryBuilderByUser($userId)
             ->select('t.id')
-            ->leftJoin('t.entries', 'e')
-            ->where('e.user = :userId')->setParameter('userId', $userId)
             ->andWhere('e.isArchived = true')
-            ->groupBy('t.id')
-            ->orderBy('t.slug')
             ->getQuery()
             ->getArrayResult();
 
@@ -118,4 +123,20 @@ class TagRepository extends EntityRepository
 
         return $tags;
     }
+
+    /**
+     * Retrieve a sorted list of tags used by a user.
+     *
+     * @param int $userId
+     *
+     * @return QueryBuilder
+     */
+    private function getQueryBuilderByUser($userId)
+    {
+        return $this->createQueryBuilder('t')
+            ->leftJoin('t.entries', 'e')
+            ->where('e.user = :userId')->setParameter('userId', $userId)
+            ->groupBy('t.id')
+            ->orderBy('t.slug');
+    }
 }
diff --git a/src/Wallabag/CoreBundle/Resources/translations/messages.da.yml b/src/Wallabag/CoreBundle/Resources/translations/messages.da.yml
index c6a1ff05..4cf69916 100644
--- a/src/Wallabag/CoreBundle/Resources/translations/messages.da.yml
+++ b/src/Wallabag/CoreBundle/Resources/translations/messages.da.yml
@@ -253,6 +253,11 @@ entry:
     confirm:
         # delete: "Are you sure you want to remove that article?"
         # delete_tag: "Are you sure you want to remove that tag from that article?"
+    metadata:
+        # reading_time: "Estimated reading time"
+        # reading_time_minutes_short: "%readingTime% min"
+        # address: "Address"
+        # added_on: "Added on"
 
 about:
     page_title: 'Om'
@@ -404,6 +409,7 @@ tag:
 
 # export:
 #     footer_template: '<div style="text-align:center;"><p>Produced by wallabag with %method%</p><p>Please open <a href="https://github.com/wallabag/wallabag/issues">an issue</a> if you have trouble with the display of this E-Book on your device.</p></div>'
+#     unknown: 'Unknown'
 
 import:
     # page_title: 'Import'
diff --git a/src/Wallabag/CoreBundle/Resources/translations/messages.de.yml b/src/Wallabag/CoreBundle/Resources/translations/messages.de.yml
index 888d9b39..10981788 100644
--- a/src/Wallabag/CoreBundle/Resources/translations/messages.de.yml
+++ b/src/Wallabag/CoreBundle/Resources/translations/messages.de.yml
@@ -253,6 +253,11 @@ entry:
     confirm:
         delete: 'Bist du sicher, dass du diesen Artikel löschen möchtest?'
         delete_tag: 'Bist du sicher, dass du diesen Tag vom Artikel entfernen möchtest?'
+    metadata:
+        # reading_time: "Estimated reading time"
+        # reading_time_minutes_short: "%readingTime% min"
+        # address: "Address"
+        # added_on: "Added on"
 
 about:
     page_title: 'Über'
@@ -404,6 +409,7 @@ tag:
 
 export:
     footer_template: '<div style="text-align:center;"><p>Generiert von wallabag mit Hilfe von %method%</p><p>Bitte öffne <a href="https://github.com/wallabag/wallabag/issues">ein Ticket</a> wenn du ein Problem mit der Darstellung von diesem E-Book auf deinem Gerät hast.</p></div>'
+    # unknown: 'Unknown'
 
 import:
     page_title: 'Importieren'
diff --git a/src/Wallabag/CoreBundle/Resources/translations/messages.en.yml b/src/Wallabag/CoreBundle/Resources/translations/messages.en.yml
index e13987ae..95e10faf 100644
--- a/src/Wallabag/CoreBundle/Resources/translations/messages.en.yml
+++ b/src/Wallabag/CoreBundle/Resources/translations/messages.en.yml
@@ -253,6 +253,11 @@ entry:
     confirm:
         delete: "Are you sure you want to remove that article?"
         delete_tag: "Are you sure you want to remove that tag from that article?"
+    metadata:
+        reading_time: "Estimated reading time"
+        reading_time_minutes_short: "%readingTime% min"
+        address: "Address"
+        added_on: "Added on"
 
 about:
     page_title: 'About'
@@ -404,6 +409,7 @@ tag:
 
 export:
     footer_template: '<div style="text-align:center;"><p>Produced by wallabag with %method%</p><p>Please open <a href="https://github.com/wallabag/wallabag/issues">an issue</a> if you have trouble with the display of this E-Book on your device.</p></div>'
+    unknown: 'Unknown'
 
 import:
     page_title: 'Import'
diff --git a/src/Wallabag/CoreBundle/Resources/translations/messages.es.yml b/src/Wallabag/CoreBundle/Resources/translations/messages.es.yml
index ef4b278a..c95bee5b 100644
--- a/src/Wallabag/CoreBundle/Resources/translations/messages.es.yml
+++ b/src/Wallabag/CoreBundle/Resources/translations/messages.es.yml
@@ -253,6 +253,11 @@ entry:
     confirm:
         # delete: "Are you sure you want to remove that article?"
         # delete_tag: "Are you sure you want to remove that tag from that article?"
+    metadata:
+        # reading_time: "Estimated reading time"
+        # reading_time_minutes_short: "%readingTime% min"
+        # address: "Address"
+        # added_on: "Added on"
 
 about:
     page_title: 'Acerca de'
@@ -404,6 +409,7 @@ tag:
 
 # export:
 #     footer_template: '<div style="text-align:center;"><p>Produced by wallabag with %method%</p><p>Please open <a href="https://github.com/wallabag/wallabag/issues">an issue</a> if you have trouble with the display of this E-Book on your device.</p></div>'
+#     unknown: 'Unknown'
 
 import:
     page_title: 'Importar'
diff --git a/src/Wallabag/CoreBundle/Resources/translations/messages.fa.yml b/src/Wallabag/CoreBundle/Resources/translations/messages.fa.yml
index a13b6668..4fde53dd 100644
--- a/src/Wallabag/CoreBundle/Resources/translations/messages.fa.yml
+++ b/src/Wallabag/CoreBundle/Resources/translations/messages.fa.yml
@@ -253,6 +253,11 @@ entry:
     confirm:
         # delete: "Are you sure you want to remove that article?"
         # delete_tag: "Are you sure you want to remove that tag from that article?"
+    metadata:
+        # reading_time: "Estimated reading time"
+        # reading_time_minutes_short: "%readingTime% min"
+        # address: "Address"
+        # added_on: "Added on"
 
 about:
     page_title: 'درباره'
@@ -404,6 +409,7 @@ tag:
 
 # export:
 #     footer_template: '<div style="text-align:center;"><p>Produced by wallabag with %method%</p><p>Please open <a href="https://github.com/wallabag/wallabag/issues">an issue</a> if you have trouble with the display of this E-Book on your device.</p></div>'
+#     unknown: 'Unknown'
 
 import:
     page_title: 'درون‌ریزی'
diff --git a/src/Wallabag/CoreBundle/Resources/translations/messages.fr.yml b/src/Wallabag/CoreBundle/Resources/translations/messages.fr.yml
index 2d4d0acd..edf3ac35 100644
--- a/src/Wallabag/CoreBundle/Resources/translations/messages.fr.yml
+++ b/src/Wallabag/CoreBundle/Resources/translations/messages.fr.yml
@@ -253,6 +253,11 @@ entry:
     confirm:
         delete: "Voulez-vous vraiment supprimer cet article ?"
         delete_tag: "Voulez-vous vraiment supprimer ce tag de cet article ?"
+    metadata:
+        reading_time: "Durée de lecture estimée"
+        reading_time_minutes_short: "%readingTime% min"
+        address: "Adresse"
+        added_on: "Ajouté le"
 
 about:
     page_title: "À propos"
@@ -404,6 +409,7 @@ tag:
 
 export:
     footer_template: '<div style="text-align:center;"><p>Généré par wallabag with %method%</p><p>Merci d''ouvrir <a href="https://github.com/wallabag/wallabag/issues">un ticket</a> si vous rencontrez des soucis d''affichage avec ce document sur votre support.</p></div>'
+    unknown: 'Inconnu'
 
 import:
     page_title: "Importer"
diff --git a/src/Wallabag/CoreBundle/Resources/translations/messages.it.yml b/src/Wallabag/CoreBundle/Resources/translations/messages.it.yml
index e854c323..f178ddbf 100644
--- a/src/Wallabag/CoreBundle/Resources/translations/messages.it.yml
+++ b/src/Wallabag/CoreBundle/Resources/translations/messages.it.yml
@@ -253,6 +253,11 @@ entry:
     confirm:
         delete: "Vuoi veramente rimuovere quell'articolo?"
         delete_tag: "Vuoi veramente rimuovere quell'etichetta da quell'articolo?"
+    metadata:
+        # reading_time: "Estimated reading time"
+        # reading_time_minutes_short: "%readingTime% min"
+        # address: "Address"
+        # added_on: "Added on"
 
 about:
     page_title: 'A proposito'
@@ -404,6 +409,7 @@ tag:
 
 # export:
 #     footer_template: '<div style="text-align:center;"><p>Produced by wallabag with %method%</p><p>Please open <a href="https://github.com/wallabag/wallabag/issues">an issue</a> if you have trouble with the display of this E-Book on your device.</p></div>'
+#     unknown: 'Unknown'
 
 import:
     page_title: 'Importa'
diff --git a/src/Wallabag/CoreBundle/Resources/translations/messages.oc.yml b/src/Wallabag/CoreBundle/Resources/translations/messages.oc.yml
index 9e9f8a2f..a1220f52 100644
--- a/src/Wallabag/CoreBundle/Resources/translations/messages.oc.yml
+++ b/src/Wallabag/CoreBundle/Resources/translations/messages.oc.yml
@@ -253,6 +253,11 @@ entry:
     confirm:
         delete: "Sètz segur de voler suprimir aqueste article ?"
         delete_tag: "Sètz segur de voler levar aquesta etiqueta de l'article ?"
+    metadata:
+        # reading_time: "Estimated reading time"
+        # reading_time_minutes_short: "%readingTime% min"
+        # address: "Address"
+        # added_on: "Added on"
 
 about:
     page_title: 'A prepaus'
@@ -404,6 +409,7 @@ tag:
 
 export:
     footer_template: '<div style="text-align:center;"><p>Produch per wallabag amb %method%</p><p>Mercés de dobrir <a href="https://github.com/wallabag/wallabag/issues">una sollicitacion</a> s’avètz de problèmas amb l’afichatge d’aqueste E-Book sus vòstre periferic.</p></div>'
+    # unknown: 'Unknown'
 
 import:
     page_title: 'Importar'
diff --git a/src/Wallabag/CoreBundle/Resources/translations/messages.pl.yml b/src/Wallabag/CoreBundle/Resources/translations/messages.pl.yml
index 83f6d2e6..b6f7faf7 100644
--- a/src/Wallabag/CoreBundle/Resources/translations/messages.pl.yml
+++ b/src/Wallabag/CoreBundle/Resources/translations/messages.pl.yml
@@ -253,6 +253,11 @@ entry:
     confirm:
         delete: "Czy jesteś pewien, że chcesz usunąć ten artykuł?"
         delete_tag: "Czy jesteś pewien, że chcesz usunąć ten tag, z tego artykułu?"
+    metadata:
+        # reading_time: "Estimated reading time"
+        # reading_time_minutes_short: "%readingTime% min"
+        # address: "Address"
+        # added_on: "Added on"
 
 about:
     page_title: 'O nas'
@@ -403,7 +408,8 @@ tag:
         placeholder: 'Możesz zaktualizować nazwę taga.'
 
 export:
-     footer_template: '<div style="text-align:center;"><p>Stworzone przez wallabag z %method%</p><p>Proszę zgłoś <a href="https://github.com/wallabag/wallabag/issues">sprawę</a>, jeżeli masz problem z wyświetleniem tego e-booka na swoim urządzeniu.</p></div>'
+    footer_template: '<div style="text-align:center;"><p>Stworzone przez wallabag z %method%</p><p>Proszę zgłoś <a href="https://github.com/wallabag/wallabag/issues">sprawę</a>, jeżeli masz problem z wyświetleniem tego e-booka na swoim urządzeniu.</p></div>'
+    # unknown: 'Unknown'
 
 import:
     page_title: 'Import'
diff --git a/src/Wallabag/CoreBundle/Resources/translations/messages.pt.yml b/src/Wallabag/CoreBundle/Resources/translations/messages.pt.yml
index db5830d2..78df254f 100644
--- a/src/Wallabag/CoreBundle/Resources/translations/messages.pt.yml
+++ b/src/Wallabag/CoreBundle/Resources/translations/messages.pt.yml
@@ -253,6 +253,11 @@ entry:
     confirm:
         # delete: "Are you sure you want to remove that article?"
         # delete_tag: "Are you sure you want to remove that tag from that article?"
+    metadata:
+        # reading_time: "Estimated reading time"
+        # reading_time_minutes_short: "%readingTime% min"
+        # address: "Address"
+        # added_on: "Added on"
 
 about:
     page_title: 'Sobre'
@@ -404,6 +409,7 @@ tag:
 
 # export:
 #     footer_template: '<div style="text-align:center;"><p>Produced by wallabag with %method%</p><p>Please open <a href="https://github.com/wallabag/wallabag/issues">an issue</a> if you have trouble with the display of this E-Book on your device.</p></div>'
+#     unknown: 'Unknown'
 
 import:
     page_title: 'Importar'
diff --git a/src/Wallabag/CoreBundle/Resources/translations/messages.ro.yml b/src/Wallabag/CoreBundle/Resources/translations/messages.ro.yml
index e7daf880..8312ca15 100644
--- a/src/Wallabag/CoreBundle/Resources/translations/messages.ro.yml
+++ b/src/Wallabag/CoreBundle/Resources/translations/messages.ro.yml
@@ -253,6 +253,11 @@ entry:
     confirm:
         # delete: "Are you sure you want to remove that article?"
         # delete_tag: "Are you sure you want to remove that tag from that article?"
+    metadata:
+        # reading_time: "Estimated reading time"
+        # reading_time_minutes_short: "%readingTime% min"
+        # address: "Address"
+        # added_on: "Added on"
 
 about:
     page_title: 'Despre'
@@ -404,6 +409,7 @@ tag:
 
 # export:
 #     footer_template: '<div style="text-align:center;"><p>Produced by wallabag with %method%</p><p>Please open <a href="https://github.com/wallabag/wallabag/issues">an issue</a> if you have trouble with the display of this E-Book on your device.</p></div>'
+#     unknown: 'Unknown'
 
 import:
     # page_title: 'Import'
diff --git a/src/Wallabag/CoreBundle/Resources/translations/messages.ru.yml b/src/Wallabag/CoreBundle/Resources/translations/messages.ru.yml
index d713f13f..f14aad12 100644
--- a/src/Wallabag/CoreBundle/Resources/translations/messages.ru.yml
+++ b/src/Wallabag/CoreBundle/Resources/translations/messages.ru.yml
@@ -241,6 +241,11 @@ entry:
         save_label: 'Сохранить'
     public:
         shared_by_wallabag: "Запись была опубликована <a href='%wallabag_instance%'>wallabag</a>"
+    metadata:
+        # reading_time: "Estimated reading time"
+        # reading_time_minutes_short: "%readingTime% min"
+        # address: "Address"
+        # added_on: "Added on"
 
 about:
     page_title: 'О'
@@ -390,6 +395,10 @@ tag:
     rename:
         # placeholder: 'You can update tag name.'
 
+# export:
+#     footer_template: '<div style="text-align:center;"><p>Produced by wallabag with %method%</p><p>Please open <a href="https://github.com/wallabag/wallabag/issues">an issue</a> if you have trouble with the display of this E-Book on your device.</p></div>'
+#     unknown: 'Unknown'
+
 import:
     page_title: 'Импорт'
     page_description: 'Добро пожаловать в импортер wallabag. Выберите сервис, из которого вы хотите перенести данные.'
diff --git a/src/Wallabag/CoreBundle/Resources/translations/messages.th.yml b/src/Wallabag/CoreBundle/Resources/translations/messages.th.yml
index 78e0f0ee..7dbb1399 100644
--- a/src/Wallabag/CoreBundle/Resources/translations/messages.th.yml
+++ b/src/Wallabag/CoreBundle/Resources/translations/messages.th.yml
@@ -251,6 +251,11 @@ entry:
     confirm:
         delete: "คุณแน่ใจหรือไม่ว่าคุณต้องการลบบทความนี้?"
         delete_tag: "คุณแน่ใจหรือไม่ว่าคุณต้องการลบแท็กจากบทความนี้?"
+    metadata:
+        # reading_time: "Estimated reading time"
+        # reading_time_minutes_short: "%readingTime% min"
+        # address: "Address"
+        # added_on: "Added on"
 
 about:
     page_title: 'เกี่ยวกับ'
@@ -402,6 +407,7 @@ tag:
 
 export:
     footer_template: '<div style="text-align:center;"><p>ผลิตโดย wallabag กับ %method%</p><p>ให้ทำการเปิด <a href="https://github.com/wallabag/wallabag/issues">ฉบับนี้</a> ถ้าคุณมีข้อบกพร่องif you have trouble with the display of this E-Book on your device.</p></div>'
+    # unknown: 'Unknown'
 
 import:
     page_title: 'นำข้อมูลเช้า'
diff --git a/src/Wallabag/CoreBundle/Resources/translations/messages.tr.yml b/src/Wallabag/CoreBundle/Resources/translations/messages.tr.yml
index edb1ce7c..b4bc04d0 100644
--- a/src/Wallabag/CoreBundle/Resources/translations/messages.tr.yml
+++ b/src/Wallabag/CoreBundle/Resources/translations/messages.tr.yml
@@ -251,6 +251,11 @@ entry:
     confirm:
         # delete: "Are you sure you want to remove that article?"
         # delete_tag: "Are you sure you want to remove that tag from that article?"
+    metadata:
+        # reading_time: "Estimated reading time"
+        # reading_time_minutes_short: "%readingTime% min"
+        # address: "Address"
+        # added_on: "Added on"
 
 about:
     page_title: 'Hakkımızda'
@@ -402,6 +407,7 @@ tag:
 
 # export:
 #     footer_template: '<div style="text-align:center;"><p>Produced by wallabag with %method%</p><p>Please open <a href="https://github.com/wallabag/wallabag/issues">an issue</a> if you have trouble with the display of this E-Book on your device.</p></div>'
+#     unknown: 'Unknown'
 
 import:
     page_title: 'İçe Aktar'
diff --git a/src/Wallabag/CoreBundle/Resources/views/themes/baggy/Entry/entries.html.twig b/src/Wallabag/CoreBundle/Resources/views/themes/baggy/Entry/entries.html.twig
index cfc6644b..832112be 100644
--- a/src/Wallabag/CoreBundle/Resources/views/themes/baggy/Entry/entries.html.twig
+++ b/src/Wallabag/CoreBundle/Resources/views/themes/baggy/Entry/entries.html.twig
@@ -99,8 +99,8 @@
             {% if craue_setting('export_epub') %}<li class="bold"><a class="waves-effect" href="{{ path('export_entries', { 'category': currentRoute, 'format': 'epub', 'tag' : currentTag }) }}">EPUB</a></li>{% endif %}
             {% if craue_setting('export_mobi') %}<li class="bold"><a class="waves-effect" href="{{ path('export_entries', { 'category': currentRoute, 'format': 'mobi', 'tag' : currentTag }) }}">MOBI</a></li>{% endif %}
             {% if craue_setting('export_pdf') %}<li class="bold"><a class="waves-effect" href="{{ path('export_entries', { 'category': currentRoute, 'format': 'pdf', 'tag' : currentTag }) }}">PDF</a></li>{% endif %}
-            {% if craue_setting('export_csv') %}<li class="bold"><a class="waves-effect" href="{{ path('export_entries', { 'category': currentRoute, 'format': 'json', 'tag' : currentTag }) }}">JSON</a></li>{% endif %}
-            {% if craue_setting('export_json') %}<li class="bold"><a class="waves-effect" href="{{ path('export_entries', { 'category': currentRoute, 'format': 'csv', 'tag' : currentTag }) }}">CSV</a></li>{% endif %}
+            {% if craue_setting('export_json') %}<li class="bold"><a class="waves-effect" href="{{ path('export_entries', { 'category': currentRoute, 'format': 'json', 'tag' : currentTag }) }}">JSON</a></li>{% endif %}
+            {% if craue_setting('export_csv') %}<li class="bold"><a class="waves-effect" href="{{ path('export_entries', { 'category': currentRoute, 'format': 'csv', 'tag' : currentTag }) }}">CSV</a></li>{% endif %}
             {% if craue_setting('export_txt') %}<li class="bold"><a class="waves-effect" href="{{ path('export_entries', { 'category': currentRoute, 'format': 'txt', 'tag' : currentTag }) }}">TXT</a></li>{% endif %}
             {% if craue_setting('export_xml') %}<li class="bold"><a class="waves-effect" href="{{ path('export_entries', { 'category': currentRoute, 'format': 'xml', 'tag' : currentTag }) }}">XML</a></li>{% endif %}
         </ul>
diff --git a/src/Wallabag/CoreBundle/Resources/views/themes/baggy/Entry/entry.html.twig b/src/Wallabag/CoreBundle/Resources/views/themes/baggy/Entry/entry.html.twig
index 48866f6e..e7d42b3d 100644
--- a/src/Wallabag/CoreBundle/Resources/views/themes/baggy/Entry/entry.html.twig
+++ b/src/Wallabag/CoreBundle/Resources/views/themes/baggy/Entry/entry.html.twig
@@ -96,9 +96,6 @@
                 </div>
             </aside>
         </div>
-        {% if entry.previewPicture is not null %}
-            <div><img class="preview" src="{{ entry.previewPicture }}" alt="{{ entry.title|e|raw }}" /></div>
-        {% endif %}
         <article>
             {{ entry.content | raw }}
         </article>
diff --git a/src/Wallabag/CoreBundle/Resources/views/themes/material/Entry/_card_list.html.twig b/src/Wallabag/CoreBundle/Resources/views/themes/material/Entry/_card_list.html.twig
index 7c83c3bb..1c00f2fa 100644
--- a/src/Wallabag/CoreBundle/Resources/views/themes/material/Entry/_card_list.html.twig
+++ b/src/Wallabag/CoreBundle/Resources/views/themes/material/Entry/_card_list.html.twig
@@ -1,10 +1,9 @@
 <div class="card-stacked">
-    <div class="preview">
-        {% if entry.previewPicture is not null %}
-            <a href="{{ path('view', { 'id': entry.id }) }}">
-                <img src="{{ entry.previewPicture }}" />
-            </a>
-        {% endif %}
+    <div class="card-preview">
+        <a href="{{ path('view', { 'id': entry.id }) }}">
+            {% set previewClassModifier = entry.previewPicture ? '' : ' preview--default' %}
+            <span class="preview{{ previewClassModifier }}" style="background-image: url({{ entry.previewPicture | default(asset('wallassets/themes/_global/img/logo-square.svg')) }})"></span>
+        </a>
     </div>
     {% include "@WallabagCore/themes/material/Entry/Card/_content.html.twig" with {'entry': entry, 'withTags': true, 'subClass': 'metadata'} only %}
     <ul class="tools-list hide-on-small-only">
diff --git a/src/Wallabag/CoreBundle/Resources/views/themes/material/Entry/entries.html.twig b/src/Wallabag/CoreBundle/Resources/views/themes/material/Entry/entries.html.twig
index a137f3c3..742dd330 100644
--- a/src/Wallabag/CoreBundle/Resources/views/themes/material/Entry/entries.html.twig
+++ b/src/Wallabag/CoreBundle/Resources/views/themes/material/Entry/entries.html.twig
@@ -68,8 +68,8 @@
             {% if craue_setting('export_epub') %}<li class="bold"><a class="waves-effect" href="{{ path('export_entries', { 'category': currentRoute, 'format': 'epub', 'tag' : currentTag }) }}">EPUB</a></li>{% endif %}
             {% if craue_setting('export_mobi') %}<li class="bold"><a class="waves-effect" href="{{ path('export_entries', { 'category': currentRoute, 'format': 'mobi', 'tag' : currentTag }) }}">MOBI</a></li>{% endif %}
             {% if craue_setting('export_pdf') %}<li class="bold"><a class="waves-effect" href="{{ path('export_entries', { 'category': currentRoute, 'format': 'pdf', 'tag' : currentTag }) }}">PDF</a></li>{% endif %}
-            {% if craue_setting('export_csv') %}<li class="bold"><a class="waves-effect" href="{{ path('export_entries', { 'category': currentRoute, 'format': 'json', 'tag' : currentTag }) }}">JSON</a></li>{% endif %}
-            {% if craue_setting('export_json') %}<li class="bold"><a class="waves-effect" href="{{ path('export_entries', { 'category': currentRoute, 'format': 'csv', 'tag' : currentTag }) }}">CSV</a></li>{% endif %}
+            {% if craue_setting('export_json') %}<li class="bold"><a class="waves-effect" href="{{ path('export_entries', { 'category': currentRoute, 'format': 'json', 'tag' : currentTag }) }}">JSON</a></li>{% endif %}
+            {% if craue_setting('export_csv') %}<li class="bold"><a class="waves-effect" href="{{ path('export_entries', { 'category': currentRoute, 'format': 'csv', 'tag' : currentTag }) }}">CSV</a></li>{% endif %}
             {% if craue_setting('export_txt') %}<li class="bold"><a class="waves-effect" href="{{ path('export_entries', { 'category': currentRoute, 'format': 'txt', 'tag' : currentTag }) }}">TXT</a></li>{% endif %}
             {% if craue_setting('export_xml') %}<li class="bold"><a class="waves-effect" href="{{ path('export_entries', { 'category': currentRoute, 'format': 'xml', 'tag' : currentTag }) }}">XML</a></li>{% endif %}
         </ul>
diff --git a/src/Wallabag/CoreBundle/Resources/views/themes/material/Entry/entry.html.twig b/src/Wallabag/CoreBundle/Resources/views/themes/material/Entry/entry.html.twig
index 9ae6e73e..c6c19de6 100644
--- a/src/Wallabag/CoreBundle/Resources/views/themes/material/Entry/entry.html.twig
+++ b/src/Wallabag/CoreBundle/Resources/views/themes/material/Entry/entry.html.twig
@@ -275,10 +275,6 @@
                 {{ render(controller( "WallabagCoreBundle:Tag:addTagForm", { 'id': entry.id } )) }}
             </div>
 
-            {% if entry.previewPicture is not null %}
-                <div><img class="preview" src="{{ entry.previewPicture }}" alt="{{ entry.title|striptags|default('entry.default_title'|trans)|raw }}" /></div>
-            {% endif %}
-
         </aside>
         <article>
             {{ entry.content | raw }}
diff --git a/src/Wallabag/CoreBundle/Tools/Utils.php b/src/Wallabag/CoreBundle/Tools/Utils.php
index 46bb1dc5..e56e251e 100644
--- a/src/Wallabag/CoreBundle/Tools/Utils.php
+++ b/src/Wallabag/CoreBundle/Tools/Utils.php
@@ -20,15 +20,14 @@ class Utils
     }
 
     /**
-     * For a given text, we calculate reading time for an article
-     * based on 200 words per minute.
+     * For a given text, we calculate reading time for an article based on 200 words per minute.
      *
-     * @param $text
+     * @param string $text
      *
      * @return float
      */
     public static function getReadingTime($text)
     {
-        return floor(\count(preg_split('~[^\p{L}\p{N}\']+~u', strip_tags($text))) / 200);
+        return floor(\count(preg_split('~([^\p{L}\p{N}\']+|(\p{Han}|\p{Hiragana}|\p{Katakana}|\p{Hangul}){1,2})~u', strip_tags($text))) / 200);
     }
 }