From e2516a2b65185bd3081361d0b8f25e6eaf7d698f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bj=C3=B6rn=20Schie=C3=9Fle?= <schiessle@owncloud.com>
Date: Wed, 6 Feb 2013 16:23:22 +0100
Subject: [PATCH] allow to delete single files from the trash bin permanently

---
 apps/files/js/fileactions.js                  |  2 +
 apps/files_trashbin/ajax/delete.php           | 24 ++++++++++++
 .../js/disableDefaultActions.js               |  1 +
 apps/files_trashbin/js/trash.js               | 25 ++++++++++++
 apps/files_trashbin/lib/trash.php             | 39 +++++++++++++++++++
 5 files changed, 91 insertions(+)
 create mode 100644 apps/files_trashbin/ajax/delete.php

diff --git a/apps/files/js/fileactions.js b/apps/files/js/fileactions.js
index c30f1bcddd..af3fc48391 100644
--- a/apps/files/js/fileactions.js
+++ b/apps/files/js/fileactions.js
@@ -115,6 +115,8 @@ var FileActions = {
 			// NOTE: Temporary fix to allow unsharing of files in root of Shared folder
 			if ($('#dir').val() == '/Shared') {
 				var html = '<a href="#" original-title="' + t('files', 'Unshare') + '" class="action delete" />';
+			} else if (typeof trashBinApp !== 'undefined' && trashBinApp) {
+				var html = '<a href="#" original-title="' + t('files', 'Delete permanently') + '" class="action delete" />';
 			} else {
 				var html = '<a href="#" original-title="' + t('files', 'Delete') + '" class="action delete" />';
 			}
diff --git a/apps/files_trashbin/ajax/delete.php b/apps/files_trashbin/ajax/delete.php
new file mode 100644
index 0000000000..fe41f53d49
--- /dev/null
+++ b/apps/files_trashbin/ajax/delete.php
@@ -0,0 +1,24 @@
+<?php
+
+OCP\JSON::checkLoggedIn();
+OCP\JSON::callCheck();
+
+$file = $_REQUEST['file'];
+
+$path_parts = pathinfo($file);
+if ($path_parts['dirname'] == '.') {
+	$delimiter = strrpos($file, '.d');
+	$filename = substr($file, 0, $delimiter);
+	$timestamp =  substr($file, $delimiter+2);
+} else {
+	$filename = $file;
+	$timestamp = null;
+}
+sleep(5);
+if (OCA_Trash\Trashbin::delete($filename, $timestamp)) {
+	error_log("feinifeini");
+	OCP\JSON::success(array("data" => array("filename" => $file)));
+} else {
+	OCP\JSON::error(array("data" => array("message" => "Couldn't delete ".$file. " permanently")));
+}
+
diff --git a/apps/files_trashbin/js/disableDefaultActions.js b/apps/files_trashbin/js/disableDefaultActions.js
index 56b95407dd..27c3e13db4 100644
--- a/apps/files_trashbin/js/disableDefaultActions.js
+++ b/apps/files_trashbin/js/disableDefaultActions.js
@@ -1,3 +1,4 @@
 /* disable download and sharing actions */
 var disableDownloadActions = true;
 var disableSharing = true;
+var trashBinApp = true;
\ No newline at end of file
diff --git a/apps/files_trashbin/js/trash.js b/apps/files_trashbin/js/trash.js
index f1241fce51..6c810e4c2b 100644
--- a/apps/files_trashbin/js/trash.js
+++ b/apps/files_trashbin/js/trash.js
@@ -22,6 +22,31 @@ $(document).ready(function() {
 			});
 		};
 		
+		FileActions.register('all', 'Delete', OC.PERMISSION_READ, function () {
+			return OC.imagePath('core', 'actions/delete');
+		}, function (filename) {
+			$('.tipsy').remove();
+			
+			var tr=$('tr').filterAttr('data-file', filename);
+			var deleteAction = $('tr').filterAttr('data-file',filename).children("td.date").children(".action.delete");
+			var oldHTML = deleteAction[0].outerHTML;
+			var newHTML = '<img class="move2trash" data-action="Delete" title="'+t('files', 'delete file permanently')+'" src="'+ OC.imagePath('core', 'loading.gif') +'"></a>';
+			deleteAction[0].outerHTML = newHTML;
+			
+			$.post(OC.filePath('files_trashbin','ajax','delete.php'),
+				{file:tr.attr('data-file') },
+				function(result){
+					if ( result.status == 'success' ) {
+						var row = document.getElementById(result.data.filename);
+						row.parentNode.removeChild(row);
+					} else {
+						deleteAction[0].outerHTML = oldHTML;
+						OC.dialogs.alert(result.data.message, 'Error');
+					}
+				});
+			
+			});
+		
 		// Sets the select_all checkbox behaviour :
 		$('#select_all').click(function() {
 			if($(this).attr('checked')){
diff --git a/apps/files_trashbin/lib/trash.php b/apps/files_trashbin/lib/trash.php
index a7eff3d44e..bf98b6dfe8 100644
--- a/apps/files_trashbin/lib/trash.php
+++ b/apps/files_trashbin/lib/trash.php
@@ -150,6 +150,45 @@ class Trashbin {
 		return false;
 	}
 	
+	/**
+	 * delete file from trash bin permanently
+	 * @param $filename path to the file
+	 * @param $timestamp of deletion time
+	 * @return true/false
+	 */
+	public static function delete($filename, $timestamp=null) {
+	
+		$user = \OCP\User::getUser();
+		$view = new \OC_FilesystemView('/'.$user);
+	
+		if ( $timestamp ) {
+			$query = \OC_DB::prepare('DELETE FROM *PREFIX*files_trash WHERE user=? AND id=? AND timestamp=?');
+			$query->execute(array($user,$filename,$timestamp))->fetchAll();
+			$file = $filename.'.d'.$timestamp;
+		} else {
+			$file = $filename;
+		}
+		
+		if ( \OCP\App::isEnabled('files_versions') ) {
+			if ($view->is_dir('versions_trashbin/'.$file)) {
+				$view->unlink('versions_trashbin/'.$file);
+			} else if ( $versions = self::getVersionsFromTrash($file, $timestamp) ) {
+				foreach ($versions as $v) {
+					if ($timestamp ) {
+						$view->unlink('versions_trashbin/'.$filename.'.v'.$v.'.d'.$timestamp);
+					} else {
+						$view->unlink('versions_trashbin/'.$file.'.v'.$v);
+					}
+				}
+			}
+		}
+	
+		$view->unlink('/files_trashbin/'.$file);
+		
+		return true;
+	}
+	
+	
 	/**
 	 * clean up the trash bin
 	 */