Add read it later functionality (#304)

* Allow marking bookmarks as unread

* Restructure navigation to include preset filters

* Add mark as read action

* Improve description

* Highlight unread bookmarks visually

* Mark bookmarks as read by default

* Add tests

* Implement toread flag in importer

* Implement admin actions

* Add query tests

* Remove untagged link

* Update api docs

* Reduce height of description textarea

Co-authored-by: Sascha Ißbrücker <sascha.issbruecker@gmail.com>

bookmarks/tests/test_bookmark_action_view.py

@@ -84,6 +84,16 @@ class BookmarkActionViewTestCase(TestCase, BookmarkFactoryMixin):
         self.assertEqual(response.status_code, 404)
         self.assertTrue(Bookmark.objects.filter(id=bookmark.id).exists())
 
+    def test_mark_as_read(self):
+        bookmark = self.setup_bookmark(unread=True)
+
+        self.client.post(reverse('bookmarks:action'), {
+            'mark_as_read': [bookmark.id],
+        })
+        bookmark.refresh_from_db()
+
+        self.assertFalse(bookmark.unread)
+
     def test_bulk_archive(self):
         bookmark1 = self.setup_bookmark()
         bookmark2 = self.setup_bookmark()