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<?php |
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/** |
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* The contents of this file handle the deletion of topics, posts, and related |
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* paraphernalia. |
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* |
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* @package ElkArte Forum |
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* @copyright ElkArte Forum contributors |
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* @license BSD http://opensource.org/licenses/BSD-3-Clause (see accompanying LICENSE.txt file) |
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* |
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* This file contains code covered by: |
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* copyright: 2011 Simple Machines (http://www.simplemachines.org) |
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* |
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* @version 2.0 dev |
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* |
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*/ |
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namespace ElkArte\Controller; |
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use ElkArte\AbstractController; |
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use ElkArte\Exceptions\Exception; |
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use ElkArte\MessagesDelete; |
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/** |
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* Handles the deletion of topics, posts |
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*/ |
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class RemoveTopic extends AbstractController |
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{ |
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/** @var array Hold topic information for supplied message */ |
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private $_topic_info; |
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/** |
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* Pre Dispatch, called before other methods. |
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*/ |
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public function pre_dispatch() |
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{ |
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// This has some handy functions for topics |
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require_once(SUBSDIR . '/Topic.subs.php'); |
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} |
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/** |
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* Intended entry point for this class. |
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* |
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* All actions are directly called from other points, so there |
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* is currently nothing to action in this method. |
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* |
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* @see AbstractController::action_index |
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*/ |
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public function action_index() |
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{ |
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// call the right method |
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} |
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/** |
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* Completely remove an entire topic. |
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* |
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* What it does: |
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* |
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* - Redirects to the board when completed. |
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* - Accessed by ?action=removetopic2 |
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* - Removes a topic if it has not already been removed. |
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*/ |
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public function action_removetopic2() |
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{ |
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global $topic, $board, $modSettings; |
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// Make sure they aren't being lead around by someone. (:@) |
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checkSession('get'); |
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// Trying to fool us around, are we? |
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if (empty($topic)) |
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{ |
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redirectexit(); |
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} |
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// This file needs to be included for sendNotifications(). |
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require_once(SUBSDIR . '/Notification.subs.php'); |
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// Check if its been recycled |
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removeDeleteConcurrence(); |
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$this->_topic_info = getTopicInfo($topic, 'message'); |
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// Can you remove your own or any topic |
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if ($this->_topic_info['id_member_started'] == $this->user->id && !allowedTo('remove_any')) |
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{ |
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isAllowedTo('remove_own'); |
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} |
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else |
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{ |
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isAllowedTo('remove_any'); |
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} |
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// Can they see the topic to remove it? |
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$this->_checkApproval(); |
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// Notify people that this topic has been removed. |
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sendNotifications($topic, 'remove'); |
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// Remove the topic |
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removeTopics($topic); |
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// Note, only log topic ID in native form if it's not gone forever. |
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if (allowedTo('remove_any') || (allowedTo('remove_own') && $this->_topic_info['id_member_started'] == $this->user->id)) |
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{ |
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logAction('remove', array( |
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(empty($modSettings['recycle_enable']) || $modSettings['recycle_board'] != $board ? 'topic' : 'old_topic_id') => $topic, |
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'subject' => $this->_topic_info['subject'], |
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'member' => $this->_topic_info['id_member_started'], |
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'board' => $board) |
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); |
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} |
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// Back to the board where the topic was removed from |
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redirectexit('board=' . $board . '.0'); |
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} |
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/** |
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* Verifies the user has permissions to remove an unapproved message/topic |
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*/ |
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private function _checkApproval() |
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{ |
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global $modSettings; |
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// Verify they can see this! |
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if ($modSettings['postmod_active'] |
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&& !$this->_topic_info['approved'] |
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&& !empty($this->_topic_info['id_member']) |
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&& $this->_topic_info['id_member'] != $this->user->id) |
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{ |
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isAllowedTo('approve_posts'); |
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} |
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} |
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/** |
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* Remove just a single post. |
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* |
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* What it does: |
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* - On completion redirect to the topic or to the board. |
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* - Accessed by ?action=deletemsg |
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* - Verifies the message exists and that they can see the message |
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*/ |
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public function action_deletemsg() |
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{ |
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global $topic, $modSettings; |
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checkSession('get'); |
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// This has some handy functions for topics |
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require_once(SUBSDIR . '/Messages.subs.php'); |
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// Need a message to remove |
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$_msg = $this->_req->getQuery('msg', 'intval', null); |
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// Is $topic set? |
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if (empty($topic) && isset($this->_req->query->topic)) |
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{ |
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$topic = (int) $this->_req->query->topic; |
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} |
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// Trying to mess around are we? |
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if (empty($_msg)) |
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{ |
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redirectexit(); |
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} |
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// Permanently removing from the recycle bin? |
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removeDeleteConcurrence(); |
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// Load the message details |
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$this->_topic_info = loadMessageDetails( |
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array('t.id_member_started'), |
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array('LEFT JOIN {db_prefix}topics AS t ON (m.id_topic = t.id_topic)'), |
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array('message_list' => $_msg) |
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); |
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// Can they see the message to remove it? |
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$this->_checkApproval(); |
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// Ensure they can do this |
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$this->_verifyDeletePermissions(); |
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// Do the removal, track if we removed the entire topic, so we redirect back to the board. |
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$remover = new MessagesDelete($modSettings['recycle_enable'], $modSettings['recycle_board']); |
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$full_topic = $remover->removeMessage($_msg); |
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$this->_redirectBack($full_topic); |
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} |
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/** |
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* Verifies the user has the permissions needed to remove a message |
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* |
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* - @uses isAllowedTo() which will end processing if user lacks proper permissions. |
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*/ |
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private function _verifyDeletePermissions() |
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{ |
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global $modSettings; |
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if ($this->_topic_info['id_member'] == $this->user->id) |
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{ |
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// Are you allowed to delete it |
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if (!allowedTo('delete_own')) |
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{ |
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if ($this->_topic_info['id_member_started'] == $this->user->id && !allowedTo('delete_any')) |
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{ |
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isAllowedTo('delete_replies'); |
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} |
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elseif (!allowedTo('delete_any')) |
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{ |
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isAllowedTo('delete_own'); |
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} |
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} |
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elseif (!allowedTo('delete_any') |
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&& ($this->_topic_info['id_member_started'] != $this->user->id || !allowedTo('delete_replies')) |
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&& !empty($modSettings['edit_disable_time']) |
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&& $this->_topic_info['poster_time'] + $modSettings['edit_disable_time'] * 60 < time()) |
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{ |
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throw new Exception('modify_post_time_passed', false); |
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} |
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} |
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elseif ($this->_topic_info['id_member_started'] == $this->user->id && !allowedTo('delete_any')) |
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{ |
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isAllowedTo('delete_replies'); |
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} |
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else |
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{ |
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isAllowedTo('delete_any'); |
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} |
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} |
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/** |
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* After deleting a message(s) returns the user to the best possible location |
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* |
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* @param bool $full_topic if the entire topic was removed |
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*/ |
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private function _redirectBack($full_topic) |
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{ |
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global $topic, $board; |
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// We want to redirect back to recent action. |
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if (isset($this->_req->query->recent)) |
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{ |
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redirectexit('action=recent'); |
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} |
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// Back to profile |
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elseif (isset($this->_req->query->profile, $this->_req->query->start, $this->_req->query->u)) |
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{ |
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redirectexit('action=profile;u=' . $this->_req->query->u . ';area=showposts;start=' . $this->_req->query->start); |
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} |
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// Back to the board if the topic was removed |
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elseif ($full_topic) |
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{ |
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redirectexit('board=' . $board . '.0'); |
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} |
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// Back to the topic where the message was removed |
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else |
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{ |
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redirectexit('topic=' . $topic . '.' . $this->_req->query->start); |
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} |
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} |
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/** |
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* Move back a topic or post from the recycle board to its original board. |
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* |
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* What it does: |
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* |
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* - Merges back the posts to the original as necessary. |
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* - Accessed by ?action=restoretopic |
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*/ |
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public function action_restoretopic() |
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{ |
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global $modSettings; |
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// Check session. |
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checkSession('get'); |
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// Is recycled board enabled? |
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if (empty($modSettings['recycle_enable'])) |
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{ |
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throw new Exception('restored_disabled', 'critical'); |
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} |
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// Can we be in here? |
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isAllowedTo('move_any', $modSettings['recycle_board']); |
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$restorer = new MessagesDelete($modSettings['recycle_enable'], $modSettings['recycle_board']); |
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// Restoring messages? |
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if (!empty($this->_req->query->msgs)) |
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{ |
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$actioned_messages = $restorer->restoreMessages(array_map('intval', explode(',', $this->_req->query->msgs))); |
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} |
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// Now any topics? |
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if (!empty($this->_req->query->topics)) |
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{ |
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$topics_to_restore = array_map('intval', explode(',', $this->_req->query->topics)); |
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$restorer->restoreTopics($topics_to_restore); |
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} |
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$restorer->doRestore(); |
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// Didn't find some things? |
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if ($restorer->unfoundRestoreMessages()) |
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{ |
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throw new Exception('restore_not_found', false, array('<ul><li>' . implode('</li><li>', $restorer->unfoundRestoreMessages(true)) . '</li></ul>')); |
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} |
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// Lets send them back somewhere that may make sense |
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if (isset($actioned_messages) && count($actioned_messages) === 1 && empty($topics_to_restore)) |
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{ |
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redirectexit('topic=' . array_key_first($actioned_messages)); |
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} |
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elseif (count($topics_to_restore) === 1) |
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{ |
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redirectexit('topic=' . $topics_to_restore[0]); |
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} |
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else |
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{ |
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redirectexit(); |
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} |
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} |
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} |
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