Merge pull request #12 from stof/url_by_hash

Added a method to get the gravatar url for a given hash

GravatarApi.php

@@ -47,6 +47,20 @@ public function getUrl($email, $size = null, $rating = null, $default = null)
     {
         $hash = md5(strtolower($email));
 
+        return $this->getUrlForHash($hash, $size, $rating, $default);
+    }
+
+    /**
+     * Returns a url for a gravatar for the given hash.
+     *
+     * @param  string  $hash
+     * @param  integer $size
+     * @param  string  $rating
+     * @param  string  $default
+     * @return string
+     */
+    public function getUrlForHash($hash, $size = null, $rating = null, $default = null)
+    {
         $map = array(
             's' => $size    ?: $this->defaults['size'],
             'r' => $rating  ?: $this->defaults['rating'],

Templating/Helper/GravatarHelper.php

@@ -47,13 +47,27 @@ public function getUrl($email, $size = null, $rating = null, $default = null)
     {
         return $this->api->getUrl($email, $size, $rating, $default);
     }
-
+
+    /**
+     * Returns a url for a gravatar for a given hash
+     *
+     * @param  string  $hash
+     * @param  integer $size
+     * @param  string  $rating
+     * @param  string  $default
+     * @return string
+     */
+    public function getUrlForHash($hash, $size = null, $rating = null, $default = null)
+    {
+        return $this->api->getUrlForHash($hash, $size, $rating, $default);
+    }
+
     public function render($email, array $options = array())
     {
         $size = isset($options['size'])?$options['size']:null;
         $rating = isset($options['rating'])?$options['rating']:null;
         $default = isset($options['default'])?$options['default']:null;
-        
+
         return $this->api->getUrl($email, $size, $rating, $default);
     }
 

Twig/GravatarExtension.php

@@ -27,6 +27,7 @@ public function getFunctions()
     {
         return array(
             'gravatar'          => new \Twig_Function_Method($this, 'getUrl'),
+            'gravatar_hash'     => new \Twig_Function_Method($this, 'getUrlForHash'),
             'gravatar_exists'   => new \Twig_Function_Method($this, 'exists'),
         );
     }
@@ -36,6 +37,11 @@ public function getUrl($email, $size = null, $rating = null, $default = null)
         return $this->api->getUrl($email, $size, $rating, $default);
     }
 
+    public function getUrlForHash($hash, $size = null, $rating = null, $default = null)
+    {
+        return $this->api->getUrlForHash($hash, $size, $rating, $default);
+    }
+
     public function exists($email)
     {
         return $this->api->exists($email);