From 7bbcd78168518ea783bf57b3960e3e5373d736ac Mon Sep 17 00:00:00 2001
From: =?utf8?q?Tim=20D=C3=BCsterhus?= <duesterhus@woltlab.com>
Date: Wed, 23 Jul 2014 01:48:46 +0200
Subject: [PATCH] Add bulk reverting frontend

---
 com.woltlab.wcf/clipboardAction.xml           |   8 ++
 com.woltlab.wcf/userGroupOption.xml           |   8 ++
 .../templates/userContentRevertChanges.tpl    |  62 +++++++++
 .../UserContentRevertChangesForm.class.php    | 122 ++++++++++++++++++
 .../lib/data/user/UserContentAction.class.php |  35 +++++
 .../UserContentClipboardAction.class.php      |  75 +++++++++++
 wcfsetup/install/lang/de.xml                  |   6 +
 wcfsetup/install/lang/en.xml                  |   6 +
 8 files changed, 322 insertions(+)
 create mode 100644 wcfsetup/install/files/acp/templates/userContentRevertChanges.tpl
 create mode 100644 wcfsetup/install/files/lib/acp/form/UserContentRevertChangesForm.class.php
 create mode 100644 wcfsetup/install/files/lib/data/user/UserContentAction.class.php
 create mode 100644 wcfsetup/install/files/lib/system/clipboard/action/UserContentClipboardAction.class.php

diff --git a/com.woltlab.wcf/clipboardAction.xml b/com.woltlab.wcf/clipboardAction.xml
index f897023084..57ccaa70bc 100644
--- a/com.woltlab.wcf/clipboardAction.xml
+++ b/com.woltlab.wcf/clipboardAction.xml
@@ -64,5 +64,13 @@
 				<page><![CDATA[wcf\acp\page\UserListPage]]></page>
 			</pages>
 		</action>
+		
+		<action name="revertContentChanges">
+			<actionclassname><![CDATA[wcf\system\clipboard\action\UserContentClipboardAction]]></actionclassname>
+			<showorder>9</showorder>
+			<pages>
+				<page><![CDATA[wcf\acp\page\UserListPage]]></page>
+			</pages>
+		</action>
 	</import>
 </data>
diff --git a/com.woltlab.wcf/userGroupOption.xml b/com.woltlab.wcf/userGroupOption.xml
index 1141a04be6..944c3525a4 100644
--- a/com.woltlab.wcf/userGroupOption.xml
+++ b/com.woltlab.wcf/userGroupOption.xml
@@ -695,6 +695,14 @@ png]]></defaultvalue>
 			</option>
 			<!-- /user.profileComment -->
 			
+			<option name="admin.content.canBulkRevertContentChanges">
+				<categoryname>admin.content</categoryname>
+				<optiontype>boolean</optiontype>
+				<defaultvalue>0</defaultvalue>
+				<admindefaultvalue>1</admindefaultvalue>
+				<usersonly>1</usersonly>
+			</option>
+			
 			<option name="admin.content.label.canManageLabel">
 				<categoryname>admin.content.label</categoryname>
 				<optiontype>boolean</optiontype>
diff --git a/wcfsetup/install/files/acp/templates/userContentRevertChanges.tpl b/wcfsetup/install/files/acp/templates/userContentRevertChanges.tpl
new file mode 100644
index 0000000000..5a6cfa6c97
--- /dev/null
+++ b/wcfsetup/install/files/acp/templates/userContentRevertChanges.tpl
@@ -0,0 +1,62 @@
+{include file='header' pageTitle='wcf.acp.user.revertChanges'}
+
+<header class="boxHeadline">
+	<h1>{lang}wcf.acp.user.revertChanges{/lang}</h1>
+</header>
+
+{include file='formError'}
+
+<div class="contentNavigation">
+	{hascontent}
+		<nav>
+			<ul>
+				{content}
+					{event name='contentNavigationButtons'}
+				{/content}
+			</ul>
+		</nav>
+	{/hascontent}
+</div>
+
+<form method="post" action="{link controller='UserContentRevertChanges'}{/link}">
+	<div class="container containerPadding marginTop">
+		<fieldset>
+			<legend>{lang}wcf.acp.user.revertChanges.markedUsers{/lang}</legend>
+			
+			<div>
+				{implode from=$users item='user'}<a href="{link controller='UserEdit' id=$user->userID}{/link}">{$user}</a>{/implode}
+			</div>
+			
+			{event name='markedUserFields'}
+		</fieldset>
+		
+		<fieldset>
+			<legend>{lang}wcf.acp.user.revertChanges.timeframe{/lang}</legend>
+			
+			<dl{if $errorField == 'timeframe'} class="formError"{/if}>
+				<dt><label for="timeframe">{lang}wcf.acp.user.revertChanges.timeframe{/lang}</label></dt>
+				<dd>
+					<input name="timeframe" type="number" min="0" value="{$timeframe}" />
+					
+					{if $errorField == 'timeframe'}
+						<small class="innerError">
+							{if $errorType == 'empty'}{lang}wcf.global.form.error.empty{/lang}{/if}
+						</small>
+					{/if}
+					<small>{lang}wcf.acp.user.revertChanges.timeframe.description{/lang}</small>
+				<dd>
+			</dl>
+			
+			{event name='mergeFields'}
+		</fieldset>
+		
+		{event name='fieldsets'}
+	</div>
+	
+	<div class="formSubmit">
+		<input type="submit" value="{lang}wcf.global.button.submit{/lang}" accesskey="s" />
+		{@SECURITY_TOKEN_INPUT_TAG}
+	</div>
+</form>
+
+{include file='footer'}
diff --git a/wcfsetup/install/files/lib/acp/form/UserContentRevertChangesForm.class.php b/wcfsetup/install/files/lib/acp/form/UserContentRevertChangesForm.class.php
new file mode 100644
index 0000000000..1415ad184b
--- /dev/null
+++ b/wcfsetup/install/files/lib/acp/form/UserContentRevertChangesForm.class.php
@@ -0,0 +1,122 @@
+<?php
+namespace wcf\acp\form;
+use wcf\data\object\type\ObjectTypeCache;
+use wcf\form\AbstractForm;
+use wcf\system\clipboard\ClipboardHandler;
+use wcf\system\edit\EditHistoryManager;
+use wcf\system\exception\IllegalLinkException;
+use wcf\system\exception\UserInputException;
+use wcf\system\WCF;
+
+/**
+ * Shows the user content revert changes form.
+ * 
+ * @author	Tim Duesterhus
+ * @copyright	2001-2014 WoltLab GmbH
+ * @license	GNU Lesser General Public License <http://opensource.org/licenses/lgpl-license.php>
+ * @package	com.woltlab.wcf
+ * @subpackage	acp.form
+ * @category	Community Framework
+ */
+class UserContentRevertChangesForm extends AbstractForm {
+	/**
+	 * @see	\wcf\page\AbstractPage::$neededPermissions
+	 */
+	public $neededPermissions = array('admin.content.canBulkRevertContentChanges');
+	
+	/**
+	 * @see	\wcf\page\AbstractPage::$activeMenuItem
+	 */
+	public $activeMenuItem = 'wcf.acp.menu.link.user.management';
+	
+	/**
+	 * ids of the relevant users
+	 * @var	array<integer>
+	 */
+	public $userIDs = array();
+	
+	/**
+	 * relevant users
+	 * @var	array<\wcf\data\user\User>
+	 */
+	public $users = array();
+	
+	/**
+	 * timeframe to consider
+	 * @var	integer
+	 */
+	public $timeframe = 7;
+	
+	/**
+	 * id of the user clipboard item object type
+	 * @var	integer
+	 */
+	protected $objectTypeID = null;
+	
+	/**
+	 * @see	\wcf\page\IPage::readParameters()
+	 */
+	public function readParameters() {
+		parent::readParameters();
+		
+		// get object type id
+		$this->objectTypeID = ClipboardHandler::getInstance()->getObjectTypeID('com.woltlab.wcf.user');
+		// get user
+		$this->users = ClipboardHandler::getInstance()->getMarkedItems($this->objectTypeID);
+		if (empty($this->users)) {
+			throw new IllegalLinkException();
+		}
+		$this->userIDs = array_keys($this->users);
+	}
+	
+	/**
+	 * @see	\wcf\form\IForm::readFormParameters()
+	 */
+	public function readFormParameters() {
+		parent::readFormParameters();
+		
+		if (isset($_POST['timeframe'])) $this->timeframe = intval($_POST['timeframe']);
+	}
+	
+	/**
+	 * @see	\wcf\form\IForm::validate()
+	 */
+	public function validate() {
+		parent::validate();
+		
+		if ($this->timeframe < 1) {
+			throw new UserInputException('timeframe');
+		}
+	}
+	
+	/**
+	 * @see	\wcf\form\IForm::save()
+	 */
+	public function save() {
+		parent::save();
+		
+		EditHistoryManager::getInstance()->bulkRevert($this->userIDs, $this->timeframe * 86400);
+		
+		// reset clipboard
+		ClipboardHandler::getInstance()->removeItems($this->objectTypeID);
+		$this->saved();
+		
+		// show success message
+		WCF::getTPL()->assign('message', 'wcf.global.success');
+		WCF::getTPL()->display('success');
+		exit;
+	}
+	
+	/**
+	 * @see	\wcf\page\IPage::assignVariables()
+	 */
+	public function assignVariables() {
+		parent::assignVariables();
+		
+		WCF::getTPL()->assign(array(
+			'users' => $this->users,
+			'userIDs' => $this->userIDs,
+			'timeframe' => $this->timeframe
+		));
+	}
+}
diff --git a/wcfsetup/install/files/lib/data/user/UserContentAction.class.php b/wcfsetup/install/files/lib/data/user/UserContentAction.class.php
new file mode 100644
index 0000000000..83d121c020
--- /dev/null
+++ b/wcfsetup/install/files/lib/data/user/UserContentAction.class.php
@@ -0,0 +1,35 @@
+<?php
+namespace wcf\data\user;
+use wcf\system\edit\EditHistoryManager;
+use wcf\system\WCF;
+
+/**
+ * Executes actions on user generated content.
+ * 
+ * @author	Tim Duesterhus
+ * @copyright	2001-2014 WoltLab GmbH
+ * @license	GNU Lesser General Public License <http://opensource.org/licenses/lgpl-license.php>
+ * @package	com.woltlab.wcf
+ * @subpackage	data.user
+ * @category	Community Framework
+ */
+class UserContentAction extends UserAction {
+	/**
+	 * Checks permissions to bulk revert.
+	 */
+	public function validateBulkRevert() {
+		WCF::getSession()->checkPermissions('admin.content.canBulkRevertContentChanges');
+	}
+	
+	/**
+	 * Bulk reverts changes made to history saving objects.
+	 */
+	public function bulkRevert() {
+		$this->readInteger('timeframe', true);
+		if (!$this->parameters['timeframe']) {
+			$this->parameters['timeframe'] = 86400 * 7;
+		}
+		
+		EditHistoryManager::getInstance()->bulkRevert($this->objectIDs, $this->parameters['timeframe']);
+	}
+}
diff --git a/wcfsetup/install/files/lib/system/clipboard/action/UserContentClipboardAction.class.php b/wcfsetup/install/files/lib/system/clipboard/action/UserContentClipboardAction.class.php
new file mode 100644
index 0000000000..e43337b4e1
--- /dev/null
+++ b/wcfsetup/install/files/lib/system/clipboard/action/UserContentClipboardAction.class.php
@@ -0,0 +1,75 @@
+<?php
+namespace wcf\system\clipboard\action;
+use wcf\data\clipboard\action\ClipboardAction;
+use wcf\system\request\LinkHandler;
+use wcf\system\WCF;
+
+/**
+ * Prepares clipboard editor items for edit history entries.
+ * 
+ * @author	Tim Duesterhus
+ * @copyright	2001-2014 WoltLab GmbH
+ * @license	GNU Lesser General Public License <http://opensource.org/licenses/lgpl-license.php>
+ * @package	com.woltlab.wcf
+ * @subpackage	system.clipboard.action
+ * @category	Community Framework
+ */
+class UserContentClipboardAction extends AbstractClipboardAction {
+	/**
+	 * @see	\wcf\system\clipboard\action\AbstractClipboardAction::$supportedActions
+	 */
+	protected $supportedActions = array('revertContentChanges');
+	
+	/**
+	 * @see	\wcf\system\clipboard\action\IClipboardAction::execute()
+	 */
+	public function execute(array $objects, ClipboardAction $action) {
+		$item = parent::execute($objects, $action);
+		
+		if ($item === null) {
+			return null;
+		}
+		
+		// handle actions
+		switch ($action->actionName) {
+			case 'revertContentChanges':
+				$item->setURL(LinkHandler::getInstance()->getLink('UserContentRevertChanges'));
+			break;
+		}
+		
+		return $item;
+	}
+	
+	/**
+	 * @see	\wcf\system\clipboard\action\IClipboardAction::getClassName()
+	 */
+	public function getClassName() {
+		return 'wcf\data\user\UserContentAction';
+	}
+	
+	/**
+	 * @see	\wcf\system\clipboard\action\IClipboardAction::getTypeName()
+	 */
+	public function getTypeName() {
+		return 'com.woltlab.wcf.user';
+	}
+	
+	/**
+	 * Returns the ids of the users which can be enabled.
+	 * 
+	 * @return	array<integer>
+	 */
+	protected function validateRevertChanges() {
+		// check permissions
+		if (!WCF::getSession()->getPermission('admin.content.canBulkRevertContentChanges')) {
+			return array();
+		}
+		
+		$userIDs = array();
+		foreach ($this->objects as $user) {
+			$userIDs[] = $user->userID;
+		}
+		
+		return $userIDs;
+	}
+}
diff --git a/wcfsetup/install/lang/de.xml b/wcfsetup/install/lang/de.xml
index d0cec65f59..117262b889 100644
--- a/wcfsetup/install/lang/de.xml
+++ b/wcfsetup/install/lang/de.xml
@@ -330,6 +330,7 @@
 		<item name="wcf.acp.group.option.admin.template.canManageTemplate"><![CDATA[Kann Templates verwalten]]></item>
 		<item name="wcf.acp.group.option.admin.style.canManageStyle"><![CDATA[Kann Stile verwalten]]></item>
 		<item name="wcf.acp.group.option.category.admin.content"><![CDATA[Inhalte]]></item>
+		<item name="wcf.acp.group.option.admin.content.canBulkRevertContentChanges"><![CDATA[Kann Änderungen der letzten Tage zurücksetzen]]></item>
 		<item name="wcf.acp.group.option.category.admin.community"><![CDATA[Community]]></item>
 		<item name="wcf.acp.group.option.category.mod.general"><![CDATA[Allgemeine Rechte]]></item>
 		<item name="wcf.acp.group.option.category.admin.user.option"><![CDATA[Benutzerprofilfelder]]></item>
@@ -1479,6 +1480,10 @@ GmbH=Gesellschaft mit beschränkter Haftung]]></item>
 		<item name="wcf.acp.user.merge.destination"><![CDATA[Ziel]]></item>
 		<item name="wcf.acp.user.merge.destination.description"><![CDATA[Die ausgewählten Benutzer werden in dieses Benutzerkonto zusammengefügt.]]></item>
 		<item name="wcf.acp.user.merge.markedUsers"><![CDATA[Folgende Benutzer zusammenfügen]]></item>
+		<item name="wcf.acp.user.revertChanges"><![CDATA[Änderungen an Inhalten zurücksetzen]]></item>
+		<item name="wcf.acp.user.revertChanges.timeframe"><![CDATA[Zeitraum]]></item>
+		<item name="wcf.acp.user.revertChanges.timeframe.description"><![CDATA[Zeitraum in dem Änderungen des Benutzers zurückgesetzt werden sollen. Inhalte werden auf die neuste Version, welche entweder älter als der angebene Zeitraum ist oder welche von einem anderen Nutzer stammt, zurückgesetzt. [Zeitraum in Tagen]]]></item>
+		<item name="wcf.acp.user.revertChanges.markedUsers"><![CDATA[Änderungen folgender Nutzer zurücksetzen]]></item>
 		<item name="wcf.acp.user.bulkProcessing"><![CDATA[Benutzer-Massenbearbeitung]]></item>
 		<item name="wcf.acp.user.bulkProcessing.action"><![CDATA[Aktion]]></item>
 		<item name="wcf.acp.user.bulkProcessing.conditions"><![CDATA[Bedingungen]]></item>
@@ -1754,6 +1759,7 @@ Fehler sind beispielsweise:
 		<item name="wcf.clipboard.item.com.woltlab.wcf.user.sendNewPassword.confirmMessage"><![CDATA[Wollen Sie wirklich {if $count == 1}einem{else}{#$count}{/if} Benutzer ein neues Kennwort zusenden?]]></item>
 		<item name="wcf.clipboard.label.com.woltlab.wcf.user.marked"><![CDATA[{if $count == 1}Ein{else}{#$count}{/if} Benutzer markiert]]></item>
 		<item name="wcf.clipboard.item.com.woltlab.wcf.user.merge"><![CDATA[Zusammenfügen]]></item>
+		<item name="wcf.clipboard.item.com.woltlab.wcf.user.revertContentChanges"><![CDATA[Änderungen an Inhalten zurücksetzen]]></item>
 		<item name="wcf.clipboard.item.com.woltlab.wcf.user.enable"><![CDATA[Aktivieren]]></item>
 	</category>
 	
diff --git a/wcfsetup/install/lang/en.xml b/wcfsetup/install/lang/en.xml
index 3bc33251e8..a8d5dfbe73 100644
--- a/wcfsetup/install/lang/en.xml
+++ b/wcfsetup/install/lang/en.xml
@@ -329,6 +329,7 @@ Examples for medium ID detection:
 		<item name="wcf.acp.group.option.admin.template.canManageTemplate"><![CDATA[Can manage templates]]></item>
 		<item name="wcf.acp.group.option.admin.style.canManageStyle"><![CDATA[Can manage styles]]></item>
 		<item name="wcf.acp.group.option.category.admin.content"><![CDATA[Content]]></item>
+		<item name="wcf.acp.group.option.admin.content.canBulkRevertContentChanges"><![CDATA[Can bulk revert content changes]]></item>
 		<item name="wcf.acp.group.option.category.admin.community"><![CDATA[Community]]></item>
 		<item name="wcf.acp.group.option.category.mod.general"><![CDATA[General]]></item>
 		<item name="wcf.acp.group.option.category.admin.user.option"><![CDATA[User Profile Fields]]></item>
@@ -1447,6 +1448,10 @@ GmbH=Gesellschaft mit beschränkter Haftung]]></item>
 		<item name="wcf.acp.user.merge.destination"><![CDATA[Destination]]></item>
 		<item name="wcf.acp.user.merge.destination.description"><![CDATA[The selected users will be merged into this user account.]]></item>
 		<item name="wcf.acp.user.merge.markedUsers"><![CDATA[Merge the following users]]></item>
+		<item name="wcf.acp.user.revertChanges"><![CDATA[Revert Changes To Contents]]></item>
+		<item name="wcf.acp.user.revertChanges.timeframe"><![CDATA[Timeframe]]></item>
+		<item name="wcf.acp.user.revertChanges.timeframe.description"><![CDATA[Changes made in this timeframe will be reverted to the newest version that is either older than the given timeframe or made by an unrelated user [time in days]]]></item>
+		<item name="wcf.acp.user.revertChanges.markedUsers"><![CDATA[Revert changes by the following users]]></item>
 		<item name="wcf.acp.user.bulkProcessing"><![CDATA[Bulk Processing]]></item>
 		<item name="wcf.acp.user.bulkProcessing.action"><![CDATA[Actions]]></item>
 		<item name="wcf.acp.user.bulkProcessing.conditions"><![CDATA[Conditions]]></item>
@@ -1721,6 +1726,7 @@ Errors are:
 		<item name="wcf.clipboard.item.com.woltlab.wcf.user.sendNewPassword.confirmMessage"><![CDATA[Do you really want to send a new password to {#$count} user{if $count != 1}s{/if}?]]></item>
 		<item name="wcf.clipboard.label.com.woltlab.wcf.user.marked"><![CDATA[{#$count} User{if $count != 1}s{/if} marked]]></item>
 		<item name="wcf.clipboard.item.com.woltlab.wcf.user.merge"><![CDATA[Merge]]></item>
+		<item name="wcf.clipboard.item.com.woltlab.wcf.user.revertContentChanges"><![CDATA[Revert Changes To Contents]]></item>
 		<item name="wcf.clipboard.item.com.woltlab.wcf.user.enable"><![CDATA[Approve]]></item>
 	</category>
 	
-- 
2.20.1