Merge pull request KnpLabs#265 from jrean/patch-2

Update CachedHttpClient.php

Author: pilot

lib/Github/HttpClient/CachedHttpClient.php

@@ -26,6 +26,14 @@ class CachedHttpClient extends HttpClient
      */
     private $lastCachedResponse;
 
+    /**
+     * Identifier used for the cache file(s).
+     * $path + encoded query parameter(s) if they exist.
+     *
+     * @var string
+     */
+    private $id;
+
     /**
      * @return CacheInterface
      */
@@ -54,13 +62,13 @@ public function request($path, $body = null, $httpMethod = 'GET', array $headers
         $response = parent::request($path, $body, $httpMethod, $headers, $options);
 
         if (304 == $response->getStatusCode()) {
-            $cacheResponse = $this->getCache()->get($path);
+            $cacheResponse = $this->getCache()->get($this->id);
             $this->lastCachedResponse = $cacheResponse;
 
             return $cacheResponse;
         }
 
-        $this->getCache()->set($path, $response);
+        $this->getCache()->set($this->id, $response);
 
         return $response;
     }
@@ -73,8 +81,14 @@ public function request($path, $body = null, $httpMethod = 'GET', array $headers
     protected function createRequest($httpMethod, $path, $body = null, array $headers = array(), array $options = array())
     {
         $request = parent::createRequest($httpMethod, $path, $body, $headers, $options);
+        
+        $this->id = $path;
+
+        if (array_key_exists('query', $options) && !empty($options['query'])) {
+            $this->id .= '?' . $request->getQuery();
+        }
 
-        if ($modifiedAt = $this->getCache()->getModifiedSince($path)) {
+        if ($modifiedAt = $this->getCache()->getModifiedSince($this->id)) {
             $modifiedAt = new \DateTime('@'.$modifiedAt);
             $modifiedAt->setTimezone(new \DateTimeZone('GMT'));
 
@@ -83,7 +97,7 @@ protected function createRequest($httpMethod, $path, $body = null, array $header
                 sprintf('%s GMT', $modifiedAt->format('l, d-M-y H:i:s'))
             );
         }
-        if ($etag = $this->getCache()->getETag($path)) {
+        if ($etag = $this->getCache()->getETag($this->id)) {
             $request->addHeader(
                 'If-None-Match',
                 $etag