Point avatars twig extension.

src/Skobkin/Bundle/PointToolsBundle/Resources/config/services.yml

@@ -65,3 +65,11 @@ services:
         class: Skobkin\Bundle\PointToolsBundle\EventListener\UserRenameSubscriber
         tags:
             - { name: doctrine.event_subscriber, connection: default }
+
+    # Twig extensions
+    point_tools.twig.point_avatar_extension:
+        class: Skobkin\Bundle\PointToolsBundle\Twig\PointAvatarExtension
+        public: false
+        arguments: ['@skobkin_point_tools.api_user']
+        tags:
+            - { name: twig.extension }

src/Skobkin/Bundle/PointToolsBundle/Service/UserApi.php

@@ -294,18 +294,31 @@ class UserApi extends AbstractApi
     }
 
     /**
-     * Creates avatar with specified size URL for user
+     * Creates URL of avatar with specified size by User object
      *
      * @param User $user
      * @param int $size
      * @return string
      */
     public function getAvatarUrl(User $user, $size)
+    {
+        return $this->getAvatarUrlByLogin($user->getLogin(), $size);
+    }
+
+    /**
+     * Creates URL of avatar with specified size by login string
+     *
+     * @param $login
+     * @param $size
+     *
+     * @return string
+     */
+    public function getAvatarUrlByLogin($login, $size)
     {
         if (!in_array($size, [self::AVATAR_SIZE_SMALL, self::AVATAR_SIZE_MEDIUM, self::AVATAR_SIZE_LARGE], true)) {
             throw new \InvalidArgumentException('Avatar size must be one of restricted variants. See UserApi class AVATAR_SIZE_* constants.');
         }
 
-        return $this->avatarsBaseUrl.urlencode($user->getLogin()).'/'.$size;
+        return $this->avatarsBaseUrl.urlencode($login).'/'.$size;
     }
 }

src/Skobkin/Bundle/PointToolsBundle/Twig/PointAvatarExtension.php

@@ -0,0 +1,53 @@
+<?php
+
+namespace Skobkin\Bundle\PointToolsBundle\Twig;
+
+use Skobkin\Bundle\PointToolsBundle\Service\UserApi;
+
+class PointAvatarExtension extends \Twig_Extension
+{
+    /**
+     * @var UserApi
+     */
+    private $userApi;
+
+    public function __construct(UserApi $userApi)
+    {
+        $this->userApi = $userApi;
+    }
+
+    public function getFunctions()
+    {
+        return [
+            new \Twig_SimpleFunction('point_avatar', [$this, 'pointAvatarFunction']),
+            new \Twig_SimpleFunction('point_avatar_small', [$this, 'pointAvatarSmallFunction']),
+            new \Twig_SimpleFunction('point_avatar_medium', [$this, 'pointAvatarMediumFunction']),
+            new \Twig_SimpleFunction('point_avatar_large', [$this, 'pointAvatarLargeFunction']),
+        ];
+    }
+
+    public function pointAvatarSmallFunction($login)
+    {
+        return $this->pointAvatarFunction($login, UserApi::AVATAR_SIZE_SMALL);
+    }
+
+    public function pointAvatarMediumFunction($login)
+    {
+        return $this->pointAvatarFunction($login, UserApi::AVATAR_SIZE_MEDIUM);
+    }
+
+    public function pointAvatarLargeFunction($login)
+    {
+        return $this->pointAvatarFunction($login, UserApi::AVATAR_SIZE_LARGE);
+    }
+
+    public function pointAvatarFunction($login, $size)
+    {
+        return $this->userApi->getAvatarUrlByLogin($login, $size);
+    }
+
+    public function getName()
+    {
+        return 'point_tools_avatars';
+    }
+}