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IPB/applications/convert/sources/Software/Forums/Xenforo.php
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2025-12-19 17:18:38 -08:00

863 lines
24 KiB
PHP

<?php
/**
* @brief Converter XenForo Class
* @author <a href='https://www.invisioncommunity.com'>Invision Power Services, Inc.</a>
* @copyright (c) Invision Power Services, Inc.
* @package Invision Community
* @subpackage convert
* @since 21 Jan 2015
*/
namespace IPS\convert\Software\Forums;
/* To prevent PHP errors (extending class does not exist) revealing path */
use DomainException;
use Exception;
use InvalidArgumentException;
use IPS\Content;
use IPS\convert\App;
use IPS\convert\Software;
use IPS\convert\Software\Core\Xenforo as XenforoCore;
use IPS\Db;
use IPS\Http\Url;
use IPS\Member;
use IPS\Node\Model;
use IPS\Patterns\ActiveRecordIterator;
use IPS\Request;
use IPS\Task;
use OutOfRangeException;
use UnderflowException;
use function count;
use function defined;
use function is_array;
use function is_null;
use function unserialize;
if ( !defined( '\IPS\SUITE_UNIQUE_KEY' ) )
{
header( ( $_SERVER['SERVER_PROTOCOL'] ?? 'HTTP/1.0' ) . ' 403 Forbidden' );
exit;
}
/**
* Xenforo Forums Converter
*/
class Xenforo extends Software
{
use \IPS\convert\Tools\Xenforo;
/**
* @brief The similarities between XF1 and XF2 are close enough that we can use the same converter
*/
public static ?bool $isLegacy = NULL;
/**
* @brief Flag to indicate the post data has been fixed during conversion, and we only need to use Legacy Parser
*/
public static bool $contentFixed = TRUE;
/**
* @brief XF2.1 changed serialized data to json decoded
*/
public static bool $useJson = FALSE;
/**
* Constructor
*
* @param App $app The application to reference for database and other information.
* @param bool $needDB Establish a DB connection
* @return void
* @throws InvalidArgumentException
*/
public function __construct( App $app, bool $needDB=TRUE )
{
parent::__construct( $app, $needDB );
if ( $needDB )
{
try
{
/* Is this XF1 or XF2 */
if ( static::$isLegacy === NULL )
{
$version = $this->db->select( 'MAX(version_id)', 'xf_template', array( Db::i()->in( 'addon_id', array( 'XF', 'XenForo' ) ) ) )->first();
if ( $version < 2000010 )
{
/* XF1 */
static::$isLegacy = TRUE;
}
else
{
/* XF2 */
static::$isLegacy = FALSE;
}
/* Is this XF 2.1 */
if ( $version > 2010010 )
{
static::$useJson = TRUE;
}
}
}
catch( Exception $e ) {} # If we can't query, we won't be able to do anything anyway
}
}
/**
* Software Name
*
* @return string
*/
public static function softwareName(): string
{
/* Child classes must override this method */
return "XenForo (1.5.x/2.0.x/2.1.x/2.2.x)";
}
/**
* Software Key
*
* @return string
*/
public static function softwareKey(): string
{
/* Child classes must override this method */
return "xenforo";
}
/**
* Content we can convert from this software.
*
* @return array|null
*/
public static function canConvert(): ?array
{
return array(
'convertForumsForums' => array(
'table' => 'xf_node',
'where' => array( Db::i()->in( 'node_type_id', array( 'Category', 'Forum', 'LinkForum' ) ) )
),
'convertForumsTopics' => array(
'table' => 'xf_thread',
'where' => NULL
),
'convertForumsPosts' => array(
'table' => 'xf_post',
'where' => NULL,
),
'convertAttachments' => array(
'table' => 'xf_attachment',
'where' => array( "content_type=?", 'post' )
)
);
}
/**
* Requires Parent
*
* @return boolean
*/
public static function requiresParent(): bool
{
return TRUE;
}
/**
* Possible Parent Conversions
*
* @return array|null
*/
public static function parents(): ?array
{
return array( 'core' => array( 'xenforo' ) );
}
/**
* List of conversion methods that require additional information
*
* @return array
*/
public static function checkConf(): array
{
$return = array(
'convertAttachments'
);
if( !static::$useJson )
{
$return[] = 'convertForumsPosts';
}
return $return;
}
/**
* Get More Information
*
* @param string $method Conversion method
* @return array|null
*/
public function getMoreInfo( string $method ): ?array
{
$return = array();
switch( $method )
{
case 'convertForumsPosts':
/* XF 1 & 2 */
if( !static::$useJson )
{
/* Get our reactions to let the admin map them */
$options = array();
$descriptions = array();
foreach( new ActiveRecordIterator( Db::i()->select( '*', 'core_reactions' ), 'IPS\Content\Reaction' ) AS $reaction )
{
$options[ $reaction->id ] = $reaction->_icon->url;
$descriptions[ $reaction->id ] = Member::loggedIn()->language()->addToStack('reaction_title_' . $reaction->id );
}
$return['convertForumsPosts'] = array(
'rep_like' => array(
'field_class' => 'IPS\\Helpers\\Form\\Radio',
'field_default' => NULL,
'field_required' => TRUE,
'field_extra' => array( 'parse' => 'image', 'options' => $options, 'descriptions' => $descriptions, 'gridspan' => 2 ),
'field_hint' => NULL,
'field_validation' => NULL,
),
);
}
break;
case 'convertAttachments':
$return['convertAttachments'] = array(
'attach_location' => array(
'field_class' => 'IPS\\Helpers\\Form\\Text',
'field_default' => NULL,
'field_required' => TRUE,
'field_extra' => array(),
'field_hint' => Member::loggedIn()->language()->addToStack('convert_xf_attach_path'),
'field_validation' => function( $value ) { if ( !@is_dir( $value ) ) { throw new DomainException( 'path_invalid' ); } },
)
);
break;
}
return ( isset( $return[ $method ] ) ) ? $return[ $method ] : array();
}
/**
* Finish - Adds everything it needs to the queues and clears data store
*
* @return array Messages to display
*/
public function finish(): array
{
/* Content Rebuilds */
Task::queue( 'core', 'RebuildContainerCounts', array( 'class' => 'IPS\forums\Forum', 'count' => 0 ), 4, array( 'class' ) );
Task::queue( 'convert', 'RebuildContent', array( 'app' => $this->app->app_id, 'link' => 'forums_posts', 'class' => 'IPS\forums\Topic\Post' ), 2, array( 'app', 'link', 'class' ) );
Task::queue( 'core', 'RebuildItemCounts', array( 'class' => 'IPS\forums\Topic' ), 3, array( 'class' ) );
Task::queue( 'convert', 'RebuildFirstPostIds', array( 'app' => $this->app->app_id ), 2, array( 'app' ) );
Task::queue( 'convert', 'DeleteEmptyTopics', array( 'app' => $this->app->app_id ), 5, array( 'app' ) );
/* Caches */
Task::queue( 'convert', 'RebuildTagCache', array( 'app' => $this->app->app_id, 'link' => 'forums_topics', 'class' => 'IPS\forums\Topic' ), 3, array( 'app', 'link', 'class' ) );
return array( "f_forum_last_post_data", "f_rebuild_posts", "f_recounting_forums", "f_recounting_topics", "f_topic_tags_recount" );
}
/**
* Pre-process content for the Invision Community text parser
*
* @param string $post The post
* @param string|null $className Content Classname passed by post-conversion rebuild
* @param int|null $contentId Content ID passed by post-conversion rebuild
* @return string The converted post
*/
public static function fixPostData( string $post, ?string $className=null, ?int $contentId=null ): string
{
return XenforoCore::fixPostData( $post, $className, $contentId );
}
/**
* Helper to fetch a xenforo phrase
*
* @param string $xfOneTitle XF1 Phrase title
* @param string $xfTwoTitle XF2 Phrase Title
* @return string|null
*/
protected function getPhrase( string $xfOneTitle, string $xfTwoTitle ) : ?string
{
try
{
$title = ( static::$isLegacy === FALSE OR is_null( static::$isLegacy ) ) ? $xfTwoTitle : $xfOneTitle;
return $this->db->select( 'phrase_text', 'xf_phrase', array( "title=?", $title ) )->first();
}
catch( UnderflowException $e )
{
return NULL;
}
}
/**
* Convert forums
*
* @return void
*/
public function convertForumsForums() : void
{
$libraryClass = $this->getLibrary();
$libraryClass::setKey( 'node_id' );
foreach( $this->fetch( 'xf_node', 'node_id', array( $this->db->in( 'node_type_id', array( 'Category', 'Forum', 'LinkForum' ) ) ) ) AS $row )
{
$data = array();
try
{
switch( $row['node_type_id'] )
{
case 'Forum':
$data = $this->db->select( '*', 'xf_forum', array( "node_id=?", $row['node_id'] ) )->first();
break;
case 'LinkForum':
$data = $this->db->select( '*', 'xf_link_forum', array( "node_id=?", $row['node_id'] ) )->first();
break;
}
}
catch( UnderflowException $e ) {}
$info = array(
'id' => $row['node_id'],
'name' => $row['title'],
'description' => $row['description'],
'topics' => ( isset( $data['discussion_count'] ) ) ? $data['discussion_count'] : 0,
'posts' => ( isset( $data['message_count'] ) ) ? $data['message_count'] : 0,
'last_post' => ( isset( $data['last_post_date'] ) ) ? $data['last_post_date'] : 0,
'last_poster_id' => ( isset( $data['last_post_user_id'] ) ) ? $data['last_post_user_id'] : 0,
'last_poster_name' => ( isset( $data['last_poster_name'] ) ) ? $data['last_post_username'] : '',
'parent_id' => ( $row['parent_node_id'] == 0 ) ? -1 : $row['parent_node_id'],
'position' => $row['display_order'],
'last_title' => ( isset( $data['last_thread_title'] ) ) ? $data['last_thread_title'] : '',
'allow_poll' => ( isset( $data['allow_poll'] ) ) ? $data['allow_poll'] : 0,
'inc_postcount' => ( isset( $data['count_messages'] ) ) ? $data['count_messages'] : 0,
'redirect_url' => ( isset( $data['link_url'] ) ) ? $data['link_url'] : NULL,
'redirect_on' => ( $row['node_type_id'] == 'LinkForum' ) ? 1 : 0,
'redirect_hits' => ( isset( $data['redirect_count'] ) ) ? $data['redirect_count'] : 0,
'sub_can_post' => ( isset( $data['allow_posting'] ) ) ? $data['allow_posting'] : 0,
);
$libraryClass->convertForumsForum( $info );
/* Follows */
foreach( $this->db->select( '*', 'xf_forum_watch', array( "node_id=? AND notify_on=?", $row['node_id'], 'thread' ) ) AS $follow )
{
$libraryClass->convertFollow( array(
'follow_app' => 'forums',
'follow_area' => 'forum',
'follow_rel_id' => $row['node_id'],
'follow_rel_id_type' => 'forums_forums',
'follow_member_id' => $follow['user_id'],
'follow_is_anon' => 0,
'follow_added' => time(),
'follow_notify_do' => 1,
'follow_notify_meta' => '',
'follow_notify_freq' => ( $follow['send_alert'] OR $follow['send_email'] ) ? 'immediate' : 'none',
'follow_notify_sent' => 0,
'follow_visible' => 1,
) );
}
$libraryClass->setLastKeyValue( $row['node_id'] );
}
}
/**
* Convert topics
*
* @return void
*/
public function convertForumsTopics() : void
{
$libraryClass = $this->getLibrary();
$libraryClass::setKey( 'thread_id' );
$data = iterator_to_array( $this->fetch( 'xf_thread', 'thread_id' ) );
$this->app->preCacheLinks( $data, [ 'forums_forums' => 'node_id', 'core_members' => [ 'user_id', 'last_post_user_id' ] ] );
foreach( $data AS $row )
{
/* Poll */
$poll = NULL;
if ( $row['discussion_type'] == 'poll' )
{
try
{
$poll_data = $this->db->select( '*', 'xf_poll', array( "content_type=? AND content_id=?", 'thread', $row['thread_id'] ) )->first();
$choices = array();
$votes = array();
$index = 1;
foreach( $this->db->select( '*', 'xf_poll_response', array( "poll_id=?", $poll_data['poll_id'] ) ) AS $choice )
{
$choices[$index] = $choice['response'];
$votes[$index] = $choice['response_vote_count'];
$search[$index] = $choice['poll_response_id'];
$index++;
}
$poll['poll_data'] = array(
'pid' => $poll_data['poll_id'],
'choices' => array( 1 => array(
'question' => $poll_data['question'],
'multi' => ( $poll_data['max_votes'] > 1 ) ? 1 : 0,
'choice' => $choices,
'votes' => $votes
) ),
'poll_question' => $poll_data['question'],
'start_date' => $row['post_date'],
'starter_id' => $row['user_id'],
'votes' => array_sum( $votes ),
'poll_view_voters' => $poll_data['public_votes']
);
$poll['vote_data'] = array();
$ourVotes = array();
foreach( $this->db->select( '*', 'xf_poll_vote', array( "poll_id=?", $poll_data['poll_id'] ) ) AS $vote )
{
if ( !isset( $ourVotes[$vote['user_id']] ) )
{
$ourVotes[$vote['user_id']] = array( 'votes' => array() );
}
$ourVotes[$vote['user_id']]['votes'][] = array_search( $vote['poll_response_id'], $search );
$ourVotes[$vote['user_id']]['member_id'] = $vote['user_id'];
}
foreach( $ourVotes AS $member_id => $vote )
{
$poll['vote_data'][$member_id] = array(
'member_id' => $vote['member_id'],
'member_choices' => array( 1 => $vote['votes'] ),
);
}
}
catch( UnderflowException $e ) {}
}
/* Approval */
switch( $row['discussion_state'] )
{
case 'visible':
$approved = 1;
break;
case 'moderation':
$approved = 0;
break;
case 'deleted':
$approved = -1;
break;
}
/* Moved To */
$moved_to = NULL;
if ( $row['discussion_type'] == 'redirect' )
{
try
{
$redirect = $this->db->select( '*', 'xf_thread_redirect', array( "thread_id=?", $row['thread_id'] ) )->first();
$key = explode( '-', $redirect['redirect_key'] );
$moved_to = array( $key[1], $key[2] );
}
catch( UnderflowException $e ) {}
}
$info = array(
'tid' => $row['thread_id'],
'title' => $row['title'],
'forum_id' => $row['node_id'],
'state' => ( $row['discussion_open'] ) ? 'open' : 'closed',
'posts' => $row['reply_count'],
'starter_id' => $row['user_id'],
'start_date' => $row['post_date'],
'last_poster_id' => $row['last_post_user_id'],
'last_post' => $row['last_post_date'],
'starter_name' => $row['username'],
'last_poster_name' => $row['last_post_username'],
'poll_state' => $poll,
'views' => $row['view_count'],
'approved' => $approved ?? 0,
'pinned' => $row['sticky'],
'moved_to' => $moved_to,
);
$libraryClass->convertForumsTopic( $info );
/* Follows */
foreach( $this->db->select( '*', 'xf_thread_watch', array( "thread_id=?", $row['thread_id'] ) ) AS $follow )
{
$libraryClass->convertFollow( array(
'follow_app' => 'forums',
'follow_area' => 'topic',
'follow_rel_id' => $row['thread_id'],
'follow_rel_id_type' => 'forums_topics',
'follow_member_id' => $follow['user_id'],
'follow_is_anon' => 0,
'follow_added' => time(),
'follow_notify_do' => 1,
'follow_notify_meta' => '',
'follow_notify_freq' => ( $follow['email_subscribe'] ) ? 'immediate' : 'none',
'follow_notify_sent' => 0,
'follow_visible' => 1,
) );
}
/* Tag Prefix */
if ( $row['prefix_id'] )
{
$prefix = $this->getPhrase( "thread_prefix_{$row['prefix_id']}", "thread_prefix.{$row['prefix_id']}" );
if ( !is_null( $prefix ) )
{
$libraryClass->convertTag( array(
'tag_meta_app' => 'forums',
'tag_meta_area' => 'forums',
'tag_meta_parent_id' => $row['node_id'],
'tag_meta_id' => $row['thread_id'],
'tag_text' => $prefix,
'tag_member_id' => $row['user_id'],
'tag_added' => $row['post_date'],
'tag_prefix' => 1, # key to this whole operation right here
) );
}
}
/* Other tags */
if ( $row['tags'] )
{
$tags = static::unpack( $row['tags'] );
if ( count( $tags ) )
{
foreach( $tags AS $key => $tag )
{
$libraryClass->convertTag( array(
'tag_meta_app' => 'forums',
'tag_meta_area' => 'forums',
'tag_meta_parent_id' => $row['node_id'],
'tag_meta_id' => $row['thread_id'],
'tag_text' => $tag['tag'],
'tag_member_id' => $row['user_id'],
'tag_added' => $row['post_date'],
'tag_prefix' => 0
) );
}
}
}
$libraryClass->setLastKeyValue( $row['thread_id'] );
}
}
/**
* Convert posts
*
* @return void
*/
public function convertForumsPosts() : void
{
$libraryClass = $this->getLibrary();
$libraryClass::setKey( 'post_id' );
$posts = iterator_to_array( $this->fetch( 'xf_post', 'post_id', null, 'xf_post.*, xf_ip.ip, xf_thread.discussion_state' )
->join( 'xf_ip', 'xf_post.ip_id=xf_ip.ip_id' )
->join( 'xf_thread', 'xf_post.thread_id=xf_thread.thread_id' ) );
$this->app->preCacheLinks( $posts, [ 'forums_topics' => 'thread_id', 'core_members' => 'user_id' ] );
foreach( $posts AS $row )
{
/* Figure out queued stuff */
if ( $row['discussion_state'] == 'deleted' )
{
$row['message_state'] = 'topic_hidden';
}
switch( $row['message_state'] )
{
case 'visible':
$queued = 0;
break;
case 'moderated':
$queued = 1;
break;
case 'deleted':
$queued = -1;
break;
case 'topic_hidden':
$queued = 2;
break;
}
$editName = NULL;
try
{
if( $row['last_edit_user_id'] )
{
$editName = $this->db->select( 'username', 'xf_user', array( 'user_id=?', $row['last_edit_user_id'] ) )->first();
}
}
catch( UnderflowException $e ) {}
$info = array(
'pid' => $row['post_id'],
'topic_id' => $row['thread_id'],
'post' => static::fixPostData( $row['message'] ),
'edit_time' => $row['last_edit_date'],
'edit_name' => $editName,
'append_edit' => $editName ? 1 : NULL,
'author_id' => $row['user_id'],
'author_name' => $row['username'],
'ip_address' => $row['ip'] ?? '127.0.0.1',
'post_date' => $row['post_date'],
'queued' => $queued ?? 0,
);
$libraryClass->convertForumsPost( $info );
/* Reputation */
if ( !static::$useJson )
{
$likes = unserialize( $row['like_users'] );
if ( is_array( $likes ) AND count( $likes ) )
{
foreach( $likes AS $like )
{
$libraryClass->convertReputation( array(
'app' => 'forums',
'type' => 'pid',
'type_id' => $row['post_id'],
'member_id' => $like['user_id'],
'member_received' => $row['user_id'],
'reaction' => $this->app->_session['more_info']['convertForumsPosts']['rep_like'],
'rep_date' => $row['post_date']
) );
}
}
}
else
{
$reputation = iterator_to_array( $this->db->select( '*', 'xf_reaction_content', array( "content_type=? AND content_id=?", 'post', $row['post_id'] ) ) );
$this->app->preCacheLinks( $reputation, [ 'core_members' => 'reaction_user_id' ] );
foreach( $reputation as $reaction )
{
$libraryClass->convertReputation( array(
'id' => $reaction['reaction_content_id'],
'app' => 'forums',
'type' => 'pid',
'type_id' => $row['post_id'],
'member_id' => $reaction['reaction_user_id'],
'member_received' => $row['user_id'],
'reaction' => $reaction['reaction_id'],
'rep_date' => $reaction['reaction_date']
) );
}
}
/* Warnings */
foreach( $this->db->select( '*', 'xf_warning', array( "content_type=? AND content_id=?", 'post', $row['post_id'] ) ) AS $warn )
{
$warnId = $libraryClass->convertWarnLog( array(
'wl_id' => $warn['warning_id'],
'wl_member' => $warn['user_id'],
'wl_moderator' => $warn['warning_user_id'],
'wl_date' => $warn['warning_date'],
'wl_points' => $warn['points'],
'wl_note_member' => $warn['title'],
'wl_note_mods' => $warn['notes'],
) );
/* Add a member history record for this member */
$libraryClass->convertMemberHistory( array(
'log_id' => 'w' . $warn['warning_id'],
'log_member' => $warn['user_id'],
'log_by' => $warn['warning_user_id'],
'log_type' => 'warning',
'log_data' => array( 'wid' => $warnId ),
'log_date' => $warn['warning_date']
)
);
}
/* Edit History */
$reason = NULL;
$name = NULL;
$newText = $info['post'];
foreach( $this->db->select( '*', 'xf_edit_history', array( "content_type=? AND content_id=?", 'post', $row['post_id'] ) ) AS $edit )
{
$editHistory = array(
'id' => $edit['edit_history_id'],
'class' => 'IPS\\forums\\Topic\\Post',
'comment_id' => $row['post_id'],
'member' => $edit['edit_user_id'],
'time' => $edit['edit_date'],
'old' => static::fixPostData( $edit['old_text'] ),
'new' => $newText
);
$libraryClass->convertEditHistory( $editHistory );
$newText = $editHistory['old'];
}
$libraryClass->setLastKeyValue( $row['post_id'] );
}
}
/**
* Convert attachments
*
* @return void
*/
public function convertAttachments() : void
{
$libraryClass = $this->getLibrary();
$libraryClass::setKey( 'xf_attachment.attachment_id' );
$it = $this->fetch( 'xf_attachment', 'xf_attachment.attachment_id', array( "content_type=?", 'post' ) )->join( 'xf_attachment_data', 'xf_attachment.data_id = xf_attachment_data.data_id' );
foreach( $it AS $row )
{
try
{
$topic = $this->db->select( 'thread_id', 'xf_post', array( "post_id=?", $row['content_id'] ) )->first();
}
catch( UnderflowException $e )
{
$this->app->log( 'xf_attach_missing_topic_link', __METHOD__, App::LOG_WARNING, $row['attachment_id'] );
$libraryClass->setLastKeyValue( $row['attachment_id'] );
continue;
}
$map = array(
'id1' => $topic,
'id2' => $row['content_id'],
);
$ext = explode( '.', $row['filename'] );
$ext = array_pop( $ext );
$info = array(
'attach_id' => $row['attachment_id'],
'attach_file' => $row['filename'],
'attach_date' => $row['upload_date'],
'attach_member_id' => $row['user_id'],
'attach_hits' => $row['view_count'],
'attach_ext' => $ext,
'attach_filesize' => $row['file_size'],
);
$physical_name = $row['data_id'] . '-' . $row['file_hash'] . '.data';
$group = floor( $row['data_id'] / 1000 );
$path = rtrim( $this->app->_session['more_info']['convertAttachments']['attach_location'], '/' ) . '/' . $group . '/' . $physical_name;
$attachId = $libraryClass->convertAttachment( $info, $map, $path );
/* Update Post if we can */
try
{
if ( $attachId !== FALSE )
{
$pid = $this->app->getLink( $row['content_id'], 'forums_posts' );
$post = Db::i()->select( 'post', 'forums_posts', array( "pid=?", $pid ) )->first();
if ( preg_match( "/\[ATTACH([^\]]+?)?\]" . $row['attachment_id'] . "(\._xfImport)?\[\/ATTACH\]/i", $post ) )
{
$post = preg_replace( "/\[ATTACH([^\]]+?)?\]" . $row['attachment_id'] . "(\._xfImport)?\[\/ATTACH\]/i", '[attachment=' . $attachId . ':name]', $post );
Db::i()->update( 'forums_posts', array( 'post' => $post ), array( "pid=?", $pid ) );
}
}
}
catch( UnderflowException|OutOfRangeException $e ) {}
$libraryClass->setLastKeyValue( $row['attachment_id'] );
}
}
/**
* Check if we can redirect the legacy URLs from this software to the new locations
*
* @return Url|NULL
*/
public function checkRedirects(): ?Url
{
$url = Request::i()->url();
if( preg_match( '#/(forums|threads)/(.+?)\.([0-9]+)#i', $url->data[ Url::COMPONENT_PATH ], $matches ) )
{
$oldId = (int) $matches[3];
switch( $matches[1] )
{
case 'forums':
$class = '\IPS\forums\Forum';
$types = array( 'forums', 'forums_forums' );
break;
case 'threads':
$class = '\IPS\forums\Topic';
$types = array( 'topics', 'forums_topics' );
break;
}
}
elseif( preg_match( '#/posts/([0-9]+)/#i', $url->data[ Url::COMPONENT_PATH ], $matches ) )
{
$class = '\IPS\forums\Topic\Post';
$types = array( 'posts', 'forums_posts' );
$oldId = $matches[1];
}
if( isset( $class ) )
{
try
{
try
{
$data = (string) $this->app->getLink( $oldId, $types );
}
catch( OutOfRangeException $e )
{
$data = (string) $this->app->getLink( $oldId, $types, FALSE, TRUE );
}
$item = $class::load( $data );
if( $item instanceof Content )
{
if( $item->canView() )
{
return $item->url();
}
}
elseif( $item instanceof Model )
{
if( $item->can( 'view' ) )
{
return $item->url();
}
}
}
catch( Exception $e )
{
return NULL;
}
}
return NULL;
}
}