add class for downloading a bunch of document versions

inc/inc.ClassDownloadMgr.php

@@ -0,0 +1,69 @@
+<?php
+/**
+ * Implementation of a download management.
+ *
+ * This class handles downloading of document lists.
+ *
+ * @category   DMS
+ * @package    SeedDMS
+ * @license    GPL 2
+ * @version    @version@
+ * @author     Uwe Steinmann <uwe@steinmann.cx>
+ * @copyright  2015 Uwe Steinmann
+ * @version    Release: @package_version@
+ */
+
+/**
+ * Class to represent an download manager
+ *
+ * This class provides some very basic methods to download document lists.
+ *
+ * @category   DMS
+ * @package    SeedDMS
+ * @author     Uwe Steinmann <uwe@steinmann.cx>
+ * @copyright  2015 Uwe Steinmann
+ * @version    Release: @package_version@
+ */
+class SeedDMS_Download_Mgr {
+	/**
+	 * @var string $tmpdir directory where download archive is temp. created
+	 * @access protected
+	 */
+	protected $tmpdir;
+
+	/**
+	 * @var array $items list of document content items
+	 * @access protected
+	 */
+	protected $items;
+
+	function __construct($tmpdir = '') {
+		$this->tmpdir = $tmpdir;
+		$this->items = array();
+	}
+
+	public function addItem($item) { /* {{{ */
+		$this->items[$item->getID()] = $item;
+	} /* }}} */
+
+	public function createArchive($filename) { /* {{{ */
+		if(!$this->items) {
+			return false;
+		}
+
+		$zip = new ZipArchive();
+		$prefixdir = date('Y-m-d', time());
+
+		if($zip->open($filename, ZipArchive::CREATE) !== TRUE) {
+			return false;
+		}
+
+		foreach($this->items as $item) {
+			$document = $item->getDocument();
+			$dms = $document->_dms;
+
+			$zip->addFile($dms->contentDir.$item->getPath(), $prefixdir."/".$document->getID()."-".$item->getOriginalFileName());
+		}
+		$zip->close();
+	} /* }}} */
+}