[FEATURE] Added more features to Response class.

src/Pecee/Http/Response.php

@@ -21,7 +21,7 @@ class Response {
      * @param string $url
      */
     public function redirect($url) {
-        header('location: ' . $url);
+        $this->header('Location: ' . $url);
         die();
     }
 
@@ -29,9 +29,59 @@ class Response {
         $this->redirect(url());
     }
 
+    /**
+     * Add http authorisation
+     * @param string $name
+     * @return self $this
+     */
     public function auth($name = '') {
-        header('WWW-Authenticate: Basic realm="' . $name . '"');
-        header('HTTP/1.0 401 Unauthorized');
+        $this->headers([
+            'WWW-Authenticate: Basic realm="' . $name . '"',
+            'HTTP/1.0 401 Unauthorized'
+        ]);
+        return $this;
+    }
+
+    public function cache($duration = 2592000) {
+        $this->headers([
+            'Cache-Control: public,max-age='.$duration.',must-revalidate',
+            'Expires: '.gmdate('D, d M Y H:i:s',(time()+$duration)).' GMT',
+            'Last-modified: '.gmdate('D, d M Y H:i:s',time()).' GMT'
+        ]);
+        return $this;
+    }
+
+    /**
+     * Json encode array
+     * @param array $value
+     * @return self $this
+     */
+    public function json(array $value) {
+        $this->header('Content-type: application/json');
+        echo json_encode($value);
+        return $this;
+    }
+
+    /**
+     * Add header to response
+     * @param string $value
+     * @return self $this
+     */
+    public function header($value) {
+        header($value);
+        return $this;
+    }
+
+    /**
+     * Add multiple headers to response
+     * @param array $headers
+     * @return self $this
+     */
+    public function headers(array $headers) {
+        foreach($headers as $header) {
+            header($header);
+        }
+        return $this;
     }
 
 }