refactoring and adding more dependency injection through ioc container.

laravel/download.php

@@ -0,0 +1,35 @@
+<?php namespace Laravel;
+
+class Download extends Response {
+
+	/**
+	 * Create a new download response instance.
+	 *
+	 * <code>
+	 *		// Return a download response for a given file
+	 *		return new Download('path/to/image.jpg');
+	 *
+	 *		// Return a download response for a given file and assign a name
+	 *		return new Download('path/to/image.jpg', 'you.jpg');
+	 * </code>
+	 *
+	 * @param  string  $path
+	 * @param  string  $name
+	 */
+	public function __construct($path, $name = null)
+	{
+		if (is_null($name)) $name = basename($path);
+
+		parent::__construct(file_get_contents($path));
+
+		$this->header('Content-Description', 'File Transfer');
+		$this->header('Content-Type', File::mime(File::extension($path)));
+		$this->header('Content-Disposition', 'attachment; filename="'.$name.'"');
+		$this->header('Content-Transfer-Encoding', 'binary');
+		$this->header('Expires', 0);
+		$this->header('Cache-Control', 'must-revalidate, post-check=0, pre-check=0');
+		$this->header('Pragma', 'public');
+		$this->header('Content-Length', filesize($path));
+	}
+
+}