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e107-importer.php
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e107-importer.php
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<?php
/*
Plugin Name: e107 Importer
Plugin URI: http://github.com/kdeldycke/e107-importer
Description: e107 import plugin for WordPress.
Author: Kevin Deldycke
Author URI: http://kevin.deldycke.com
Version: 1.2.dev
Stable tag: 1.1
License: GPL v2 - http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
*/
if ( !defined('WP_LOAD_IMPORTERS') )
return;
// Load Importer API
require_once ABSPATH . 'wp-admin/includes/import.php';
if ( !class_exists( 'WP_Importer' ) ) {
$class_wp_importer = ABSPATH . 'wp-admin/includes/class-wp-importer.php';
if ( file_exists( $class_wp_importer ) )
require_once $class_wp_importer;
}
// Constant
define("E107_IMPORTER_PATH" , WP_PLUGIN_DIR . '/e107-importer/');
define("E107_INCLUDES_FOLDER" , 'e107-includes');
define("E107_REDIRECTOR_PLUGIN", 'e107-importer/e107-redirector.php');
define("BBPRESS_PLUGIN" , 'bbpress/bbpress.php');
// Define a dummy class mimicking e107_handlers/e107_class.php:e107
// This is necessary as it is used by e107_files/bbcode/img.bb to compute some paths
class redefined_e107 {
var $base_path;
function redefined_e107() {
$this->base_path = '';
}
}
if ( class_exists( 'WP_Importer' ) ) {
class e107_Import extends WP_Importer {
// Class wide variables
var $e107_db;
var $e107_db_host;
var $e107_db_user;
var $e107_db_pass;
var $e107_db_name;
var $e107_db_prefix;
var $e107_content_ownership;
var $e107_mail_user;
var $e107_import_news;
var $e107_import_pages;
var $e107_bbcode_parser;
var $e107_import_images;
var $user_mapping = array();
var $news_mapping = array();
var $category_mapping = array();
var $page_mapping = array();
var $comment_mapping = array();
var $forum_mapping = array();
var $forum_post_mapping = array();
var $image_mapping = array();
// Initialized in initImportContext()
var $e107_pref;
var $e107_parser;
// Convert unix timestamp to mysql datetimestamp
function mysql_date($unix_time) {
return date("Y-m-d H:i:s", $unix_time);
}
// Delete all occurrences of a given char at the end of the string
function deleteTrailingChar($s, $c) {
$s = (string) $s;
$c = (string) $c;
while ($s[strlen($s)-1] == $c)
$s = substr($s, 0, strlen($s)-1);
return $s;
}
// Convert hexadecimal IP address string to decimal
function ip_hex2dec($hex_ip) {
if (strlen($hex_ip) != 8)
return '';
$dec_ip = (string) hexdec(substr($hex_ip, 0, 2));
$dec_ip .= '.';
$dec_ip .= (string) hexdec(substr($hex_ip, 2, 2));
$dec_ip .= '.';
$dec_ip .= (string) hexdec(substr($hex_ip, 4, 2));
$dec_ip .= '.';
$dec_ip .= (string) hexdec(substr($hex_ip, 6, 2));
return $dec_ip;
}
// A method to simplify a string by removing spaces, returns and tags fo easy comparison
function simplifyString($s) {
// Remove BBCode tags
// TODO: inner content of matching tag pairs should be deleted.
// Exemple: [left][img]http://www.sillyjokes.co.uk/billy-bobs/gallery/cavemen.jpg[/img][/left]
// become : httpwwwsillyjokescoukbillybobsgallerycavemenjpgimg
// but should be transformed to a blanck string.
$s = preg_replace('/\[.*?\]/', '', $s);
// Remove HTML tags
$s = preg_replace('/<.*?>/', '', $s);
//$s = wp_strip_all_tags($s, $remove_breaks = True);
// Remove everything but word characters (letters, digits, and underscores)
$s = preg_replace('/\W/', '', $s);
// Lower case for easier comparison
return strtolower($s);
}
// Are the 2 strings similar ?
function areStringSimilar($a, $b) {
return $this->simplifyString($a) == $this->simplifyString($b) ? True : False;
}
// Return a dictionnary of all HTML tags of a given kind and their attributes
function extract_html_tags($html_content, $tag_name, $allowed_protocols=array()) {
// Default list of protocols copied from wp-includes/kses.php:wp_kses()
if (empty($allowed_protocols))
$allowed_protocols = array ('http', 'https', 'ftp', 'ftps', 'mailto', 'news', 'irc', 'gopher', 'nntp', 'feed', 'telnet', 'mms', 'rtsp', 'svn');
$tag_list = array();
$tag_regexp = '/<\s*'.$tag_name.'\s+(.+?)>/i';
if (preg_match_all($tag_regexp, $html_content, $matches, PREG_SET_ORDER)) {
foreach ($matches as $match) {
// Parse attributes
$attributes = array();
foreach (wp_kses_hair($match[1], $allowed_protocols) as $attr)
$attributes[$attr['name']] = $attr['value'];
// Group all data of the tag in one array
$tag_list[] = array( 'tag_string' => $match[0]
, 'attribute_string' => $match[1]
, 'attributes' => $attributes
);
}
}
return $tag_list;
}
function link_attachment_to_post($attachment_id, $post_id) {
global $wpdb;
return $wpdb->update($wpdb->posts, array('post_parent' => $post_id), array('ID' => $attachment_id));
}
function get_attachment_id_from_url($url) {
global $wpdb;
$query = "SELECT ID FROM {$wpdb->posts} WHERE guid='$url'";
return $wpdb->get_var($query);
}
// Generic code to initialize the e107 context
function inite107Context() {
/* Some part of the code below is copy of (and/or inspired by) code from the e107 project, licensed
** under the GPL and (c) copyrighted to e107's contributors.
*/
// Global variables used in replaceConstants() method
global $ADMIN_DIRECTORY, $FILES_DIRECTORY, $IMAGES_DIRECTORY, $THEMES_DIRECTORY, $PLUGINS_DIRECTORY, $HANDLERS_DIRECTORY, $LANGUAGES_DIRECTORY, $HELP_DIRECTORY, $DOWNLOADS_DIRECTORY;
// Define e107 original path structure
$ADMIN_DIRECTORY = "e107_admin/";
$FILES_DIRECTORY = "e107_files/";
$IMAGES_DIRECTORY = "e107_images/";
$THEMES_DIRECTORY = "e107_themes/";
$PLUGINS_DIRECTORY = "e107_plugins/";
$HANDLERS_DIRECTORY = "e107_handlers/";
$LANGUAGES_DIRECTORY = "e107_languages/";
$HELP_DIRECTORY = "e107_docs/help/";
$DOWNLOADS_DIRECTORY = "e107_files/downloads/";
// Redifine some globals to match WordPress file hierarchy
define("e_BASE" , ABSPATH);
define("e_FILE" , E107_IMPORTER_PATH);
define("e_PLUGIN" , E107_IMPORTER_PATH);
define("e_HANDLER", E107_IMPORTER_PATH . E107_INCLUDES_FOLDER . '/');
// Don't know why but in certain cases e_IMAGE was not defined
define("e_IMAGE" , $IMAGES_DIRECTORY);
// Create a dummy e107 instance to accomodate the img BBCode parser
global $e107;
$e107 = new redefined_e107();
// Set user-related globals referenced in e_parse_class.php
define("ADMIN" , True); // Will replace {e_ADMIN} constant with $ADMIN_DIRECTORY
define("USER" , False); // Will not replace {USERID} constant
define("USERID", 0);
// CHARSET is normally set in e107_languages/English/English.php file
define("CHARSET", "utf-8");
/*========== START of code inspired by class2.php file ==========
+ ----------------------------------------------------------------------------+
| e107 website system
|
| Copyright (C) 2001-2002 Steve Dunstan (jalist@e107.org)
| Copyright (C) 2008-2010 e107 Inc (e107.org)
|
| Released under the terms and conditions of the
| GNU General Public License (http://gnu.org).
|
| $URL: https://e107.svn.sourceforge.net/svnroot/e107/trunk/e107_0.7/class2.php $
| $Revision: 11786 $
| $Id: class2.php 11786 2010-09-15 22:12:49Z e107coders $
| $Author: e107coders $
+----------------------------------------------------------------------------+
*/
define("e107_INIT", True);
// Create a new e107 parser
require_once(e_HANDLER.'e_parse_class.php');
$this->e107_parser = new e_parse;
// $tp is required by bbcode_handler.php
global $tp;
$tp = $this->e107_parser;
define("THEME", "");
define("E107_DEBUG_LEVEL", False);
define('E107_DBG_BBSC', False); // Show BBCode / Shortcode usage in postings
function check_class($var, $userclass='', $peer=False, $debug=False) {
return True;
}
function include_lan($path, $force=False) {
return '';
}
// Use these to combine isset() and use of the set value. or defined and use of a constant
// i.e. to fix if($pref['foo']) ==> if ( varset($pref['foo']) ) will use the pref, or ''.
// Can set 2nd param to any other default value you like (e.g. false, 0, or whatever)
// $testvalue adds additional test of the value (not just isset())
// Examples:
// $something = pref; // Bug if pref not set ==> $something = varset(pref);
// $something = isset(pref) ? pref : ""; ==> $something = varset(pref);
// $something = isset(pref) ? pref : default; ==> $something = varset(pref,default);
// $something = isset(pref) && pref ? pref : default; ==> use varsettrue(pref,default)
//
function varset(&$val,$default='') {
if (isset($val)) {
return $val;
}
return $default;
}
function defset($str,$default='') {
if (defined($str)) {
return constant($str);
}
return $default;
}
//
// These variants are like the above, but only return the value if both set AND 'true'
//
function varsettrue(&$val,$default='') {
if (isset($val) && $val) return $val;
return $default;
}
function defsettrue($str,$default='') {
if (defined($str) && constant($str)) return constant($str);
return $default;
}
/*========== END of code inspired by class2.php file ==========*/
// Load preferences if not already loaded
if (!isset($this->e107_pref) || !is_array($this->e107_pref))
$this->loadE107Preferences();
// Override BBCode definition files configuration
$this->e107_pref['bbcode_list'] = array();
$this->e107_pref['bbcode_list'][E107_INCLUDES_FOLDER] = array();
// This $core_bb array come from bbcode_handler.php
$core_bb = array(
'blockquote', 'img', 'i', 'u', 'center',
'_br', 'color', 'size', 'code',
'html', 'flash', 'link', 'email',
'url', 'quote', 'left', 'right',
'b', 'justify', 'file', 'stream',
'textarea', 'list', 'php', 'time',
'spoiler', 'hide', 'youtube', 'sanitised'
);
foreach ($core_bb as $c)
$this->e107_pref['bbcode_list'][E107_INCLUDES_FOLDER][$c] = 'dummy_u_class';
// Don't transform smileys to <img>, WordPress will do it automaticcaly
$this->e107_pref['smiley_activate'] = False;
// Turn-off profanity filter
$this->e107_pref['profanity_filter'] = False;
// Disable all extra HTML rendering hooks like the one comming from e107 Linkwords plugin
$this->e107_pref['tohtml_hook'] = '';
// Set global SITEURL as it's used by replaceConstants() method
$site_url = $this->e107_pref['siteurl'];
// Normalize URL: it must end with a single slash
define("SITEURL", $this->deleteTrailingChar($site_url, '/').'/');
// Required to make default e107 methods aware of preferences
global $pref;
$pref = $this->e107_pref;
}
// Establish a connection to the e107 database.
// This code is kept in a separate method to not mess with $wpdb ...
function connectToE107DB() {
$this->e107db = mysql_connect($this->e107_db_host, $this->e107_db_user, $this->e107_db_pass) or
wp_die("Can't connect to e107 database server: " . mysql_error());
// Force UTF-8 querying
@mysql_query("SET NAMES `utf8`", $this->e107db);
//@mysql_query("SET CHARACTER SET `utf8`", $this->e107db);
$this->e107_db_prefix = $this->e107_db_name.'`.`'.$this->e107_db_prefix;
set_magic_quotes_runtime(0);
}
function queryE107DB($sql) {
$result = mysql_query($sql, $this->e107db);
if (!$result)
wp_die('Invalid query: ' . mysql_error());
$result_array = array();
$num_rows = 0;
while ($row = @mysql_fetch_object($result)) {
$result_array[$num_rows] = (array) $row;
$num_rows++;
}
@mysql_free_result($result);
return $result_array;
}
function loadE107Preferences() {
$e107_coreTable = $this->e107_db_prefix.'core';
$sql = "SELECT e107_value FROM `".$e107_coreTable."` WHERE e107_name = 'SitePrefs'";
$site_pref = $this->queryE107DB($sql);
extract($site_pref[0]);
$this->e107_pref = '';
@eval('$this->e107_pref = '.trim($e107_value).';');
}
function getE107UserList() {
// Prepare the SQL request
$e107_userTable = $this->e107_db_prefix."user";
$e107_userExtendedTable = $this->e107_db_prefix."user_extended";
$sql = "SELECT `".$e107_userTable."`.* FROM `".$e107_userTable."` ";
$sql .= "LEFT JOIN `".$e107_userExtendedTable."` ON `".$e107_userTable."`.user_id = `".$e107_userExtendedTable."`.user_extended_id ";
// Exclude banned and un-verified users
$sql .= "WHERE user_ban = 0";
// Perform the request and return rows
return $this->queryE107DB($sql);
}
function getE107CategoryList() {
// Prepare the SQL request
$e107_newsCategoryTable = $this->e107_db_prefix."news_category";
$sql = "SELECT * FROM `".$e107_newsCategoryTable."`";
// Perform the request and return rows
return $this->queryE107DB($sql);
}
function getE107NewsList() {
// Prepare the SQL request
$e107_newsTable = $this->e107_db_prefix."news";
$sql = "SELECT * FROM `".$e107_newsTable."`";
// Perform the request and return rows
return $this->queryE107DB($sql);
}
function getE107PageList() {
// Prepare the SQL request
$e107_pagesTable = $this->e107_db_prefix."page";
$sql = "SELECT * FROM `".$e107_pagesTable."`";
// Perform the request and return rows
return $this->queryE107DB($sql);
}
function getE107CommentList() {
// Prepare the SQL request
$e107_commentsTable = $this->e107_db_prefix."comments";
$sql = "SELECT * FROM `".$e107_commentsTable."`";
// Perform the request and return rows
return $this->queryE107DB($sql);
}
function getE107ForumList() {
// Prepare the SQL request
$e107_forumsTable = $this->e107_db_prefix."forum";
$sql = "SELECT * FROM `".$e107_forumsTable."` ORDER BY forum_parent, forum_id";
// Perform the request and return rows
return $this->queryE107DB($sql);
}
function getE107ForumPostList() {
// Prepare the SQL request
$e107_postsTable = $this->e107_db_prefix."forum_t";
$sql = "SELECT * FROM `".$e107_postsTable."` ORDER BY thread_parent, thread_id";
// Perform the request and return rows
return $this->queryE107DB($sql);
}
// Get a list of all WordPress's user IDs
function getWPUserIDs() {
global $wpdb;
return $wpdb->get_col($wpdb->prepare("SELECT $wpdb->users.ID FROM $wpdb->users ORDER BY %s ASC", 'ID'));
}
// Load pre-existing e107 Redirector mappings
function loadE107Mapping() {
if (get_option('e107_redirector_news_mapping')) $this->news_mapping = get_option('e107_redirector_news_mapping');
if (get_option('e107_redirector_category_mapping')) $this->category_mapping = get_option('e107_redirector_category_mapping');
if (get_option('e107_redirector_page_mapping')) $this->page_mapping = get_option('e107_redirector_page_mapping');
if (get_option('e107_redirector_comment_mapping')) $this->comment_mapping = get_option('e107_redirector_comment_mapping');
if (get_option('e107_redirector_user_mapping')) $this->user_mapping = get_option('e107_redirector_user_mapping');
if (get_option('e107_redirector_forum_mapping')) $this->forum_mapping = get_option('e107_redirector_forum_mapping');
if (get_option('e107_redirector_forum_post_mapping')) $this->forum_post_mapping = get_option('e107_redirector_forum_post_mapping');
if (get_option('e107_redirector_image_mapping')) $this->image_mapping = get_option('e107_redirector_image_mapping');
}
// Import e107 preferences (aka global config)
function importPreferences() {
update_option('blogname' , $this->e107_pref['sitename']);
update_option('admin_email' , $this->e107_pref['siteadminemail']);
update_option('users_can_register' , $this->e107_pref['user_reg']);
update_option('comment_registration', !$this->e107_pref['anon_post']);
update_option('use_smilies' , $this->e107_pref['smiley_activate']);
update_option('posts_per_page' , $this->e107_pref['newsposts']);
$tag_line = $this->e107_pref['sitetag'];
if (strlen($tag_line) <= 0)
$tag_line = $this->e107_pref['sitedescription'];
update_option('blogdescription', $tag_line);
$gmt_offset = $this->e107_pref['time_offset'];
if (!(empty($this->e107_pref['timezone']) or (strrpos(strtolower($this->e107_pref['timezone']), strtolower('GMT')) === False))) {
$x = 0;
$gmt_offset = (int) $gmt_offset + $x;
}
update_option('gmt_offset', $gmt_offset);
}
// Method to force ownership of all imported content to a single user
function setGlobalOwnership($new_owner_id) {
// Get the list of all e107 user IDs
$user_list = $this->getE107UserList();
// The new user mapping is set to our given global owner
$this->user_mapping = array();
foreach ($user_list as $user) {
extract($user);
$user_id = (int) $user_id;
$this->user_mapping[$user_id] = (int) $new_owner_id;
}
}
// Import all e107 users to WordPress
function importUsers() {
// Get user list
$user_list = $this->getE107UserList();
foreach ($user_list as $user)
$this->importUser($user);
}
// Migrate one user to WordPress using its e107 data
function importUser($user) {
extract($user);
$user_id = (int) $user_id;
// e107 user details mapping
// $user_loginname => WP login
// $user_name => WP nickname (the one to display)
// $user_login => WP First + Last name
// Try to get first and last name
if (!empty($user_login)) {
$words = explode(" ", $user_login, 2);
$first_name = $words[0];
if (sizeof($words) > 1)
$last_name = $words[1];
}
// Try to get the display name
$display_name = '';
if (!empty($user_name))
$display_name = $user_name;
elseif (!empty($user_login))
$display_name = $user_login;
elseif (!empty($user_loginname))
$display_name = $user_loginname;
$user_data = array(
'first_name' => empty($first_name ) ? '' : esc_sql($first_name)
, 'last_name' => empty($last_name ) ? '' : esc_sql($last_name)
, 'nickname' => empty($user_name ) ? '' : esc_sql($user_name)
, 'display_name' => empty($display_name ) ? '' : esc_sql($display_name)
, 'user_email' => empty($user_email ) ? '' : esc_sql($user_email)
, 'user_registered' => empty($user_join ) ? '' : $this->mysql_date($user_join)
, 'user_url' => empty($user_homepage) ? '' : esc_sql($user_homepage)
, 'aim' => empty($user_aim ) ? '' : esc_sql($user_aim)
, 'yim' => empty($user_msn ) ? '' : esc_sql($user_msn) // Put MSN contact here because they have merged with Yahoo!: http://slashdot.org/articles/05/10/12/0227207.shtml
);
// In case of an update, do not reset previous user profile properties by an empty value
foreach ($user_data as $k=>$v)
if (strlen($v) <= 0)
unset($user_data[$k]);
// Sanitize login string
$user_loginname = sanitize_user($user_loginname, $strict=True);
// Try to find a previous user and its ID
$wp_user_ID = False;
if (email_exists($user_email))
$wp_user_ID = email_exists($user_email);
elseif (username_exists($user_loginname))
$wp_user_ID = username_exists($user_loginname);
// Create a new user
if (!$wp_user_ID) {
// New password is required because we can't decrypt e107 password
$new_password = wp_generate_password(12, False);
$user_data['user_pass'] = esc_sql($new_password);
// Don't reset login name on user update
$user_data['user_login'] = esc_sql($user_loginname);
$ret_id = wp_insert_user($user_data);
// Send mail notification to users to warn them of a new password (and new login because of UTF-8)
if ($this->e107_mail_user)
wp_new_user_notification($ret_id, $new_password);
} else {
// User already exist, update its profile
$user_data['ID'] = $wp_user_ID;
$ret_id = wp_update_user($user_data);
}
// Update user mapping, cast to int
$this->user_mapping[$user_id] = (int) $ret_id;
// Update user's description with remaining parameters like signature, location and birthday.
$extra_info_list = array();
if (!empty($user_signature)) $extra_info_list[] = __("Signature: ").$user_signature;
if (!empty($user_customtitle)) $extra_info_list[] = __("Custom title: ").$user_customtitle;
if (!empty($user_location)) $extra_info_list[] = __("Location: ").$user_location;
if (!empty($user_birthday) && $user_birthday != '0000-00-00') $extra_info_list[] = __("Birthday: ").$user_birthday;
$wp_user = new WP_User($ret_id);
$old_description = $wp_user->description;
$new_description = $old_description;
foreach (array_reverse($extra_info_list) as $extra_info)
if (stristr($new_description, $extra_info) === False)
$new_description = $extra_info."\n".$new_description;
if ($new_description != $old_description)
wp_update_user(array('ID' => $wp_user->ID, 'description' => $new_description));
}
// Import all e107 news and categories to WordPress
function importNewsAndCategories() {
// Import categories
$category_list = $this->getE107CategoryList();
foreach ($category_list as $category)
$this->importCategory($category);
// Import news
$news_list = $this->getE107NewsList();
foreach ($news_list as $news)
$this->importNews($news);
}
// Migrate one category to WordPress using its e107 data
function importCategory($category) {
extract($category);
$cat_id = category_exists($category_name);
if (!$cat_id) {
$new_cat = array();
$new_cat['cat_name'] = $category_name;
$cat_id = wp_insert_category($new_cat);
}
$this->category_mapping[$category_id] = (int) $cat_id;
}
// Migrate one news to WordPress using its e107 data
function importNews($news) {
extract($news);
$news_id = (int) $news_id;
// Update author role if necessary;
// If the user has the minimum role (aka subscriber) he is not able to post
// news. In this case, we increase his role by one level (aka contributor).
$author_id = $this->user_mapping[$news_author];
$author = new WP_User($author_id);
if (! $author->has_cap('edit_posts'))
$author->set_role('contributor');
// Build post data
$post_data = array(
'post_author' => $author_id // use the new wordpress user ID
, 'post_date' => $this->mysql_date($news_datestamp)
, 'post_date_gmt' => $this->mysql_date($news_datestamp)
, 'post_title' => esc_sql($news_title)
, 'post_status' => 'publish' // News are always published in e107
, 'comment_status' => $news_allow_comments // TODO: get global config to set this value dynamiccaly
, 'ping_status' => 'open' // XXX is there such a concept in e107 ?
, 'comment_count' => $news_comment_total
);
// Map extended news to excerpt
if ($this->areStringSimilar($news_body, $news_extended)) {
$news_body = $news_extended;
$news_extended = '';
}
if (empty($news_extended)) {
$post_data['post_content'] = esc_sql($news_body);
} else {
$post_data['post_excerpt'] = esc_sql($news_body);
$post_data['post_content'] = esc_sql($news_extended);
}
// Save e107 news in WordPress database
$post_id = wp_insert_post($post_data);
// Link post to category
$news_category = (int) $news_category;
if (array_key_exists($news_category, $this->category_mapping)) {
$cats = array();
$cats[] = $this->category_mapping[$news_category];
wp_set_post_categories($post_id, $cats);
}
// Update post mapping
$this->news_mapping[$news_id] = (int) $post_id;
}
// Import all e107 pages to WordPress
function importPages() {
$page_list = $this->getE107PageList();
foreach ($page_list as $page)
$this->importPage($page);
}
// Migrate one page to WordPress using its e107 data
function importPage($page) {
extract($page);
$page_id = (int) $page_id;
// Set the status of the post to 'publish' or 'private'.
// There is no 'draft' in e107.
$post_status = 'publish';
if ($page_class != '0')
$post_status = 'private';
// Update author role if necessary;
// If the user has the minimum role (aka subscriber) he is not able to post
// pages. In this case, we raise is role by 1 level (aka contributor).
if (array_key_exists($page_author, $this->user_mapping)) {
$author_id = $this->user_mapping[$page_author];
$author = new WP_User($author_id);
} else {
// Can't find the original user, use the current one.
$author = wp_get_current_user();
}
if (!$author->has_cap('edit_posts'))
$author->set_role('contributor');
// If user is the author of a private page give him the 'editor' role else he can't view private pages
if (($post_status == 'private') and (!$author->has_cap('read_private_pages')))
$author->set_role('editor');
// Define comment status
if (!$page_comment_flag) {
$comment_status = 'closed';
} else {
$comment_status = 'open';
}
// Save e107 static page in WordPress database
$ret_id = wp_insert_post(array(
'post_author' => $author->ID
, 'post_date' => $this->mysql_date($page_datestamp)
, 'post_date_gmt' => $this->mysql_date($page_datestamp)
, 'post_content' => esc_sql($page_text)
, 'post_title' => esc_sql($page_title)
, 'post_status' => $post_status
, 'post_type' => 'page'
, 'comment_status' => $comment_status
, 'ping_status' => 'closed' // XXX is there a global variable in WordPress or e107 to guess this ?
));
// Update page mapping
$this->page_mapping[$page_id] = (int) $ret_id;
}
// Import all e107 comments to WordPress
function importComments() {
$comment_list = $this->getE107CommentList();
foreach ($comment_list as $comment)
$this->importComment($comment);
}
// Migrate one comment to WordPress using its e107 data
function importComment($comment) {
extract($comment);
$comment_id = (int) $comment_id;
$comment_item_id = (int) $comment_item_id;
// Get the post_id from $news_mapping or $pages_mapping depending of the comment type
if ($comment_type == 'page' and $this->e107_import_pages) {
$post_id = $this->page_mapping[$comment_item_id];
} elseif ($comment_type == '0' and $this->e107_import_news) {
$post_id = $this->news_mapping[$comment_item_id];
} else {
// Do not import this comment: its either a non-news or non-page comment, or the user choosed to skip news and/or pages comments import
continue;
}
// Don't import comments not linked with news
$post_status = get_post_status($post_id);
if ($post_status != False) {
// Get author details from WordPress if registered.
$author_name = substr($comment_author, strpos($comment_author, '.') + 1);
$author_id = (int) strrev(substr(strrev($comment_author), strpos(strrev($comment_author), '.') + 1));
$author_ip = $this->ip_hex2dec($comment_ip);
$author_email = $comment_author_email;
unset($author_url);
// Registered user
if (array_key_exists($author_id, $this->user_mapping)) {
$author_id = $this->user_mapping[$author_id];
$author = new WP_User($author_id);
$author_name = $author->display_name;
$author_email = $author->user_email;
$author_url = $author->user_url;
// Unregistered user
} else {
unset($author_id);
// Sometimes $author_name is of given as email address. In this case, try to guess the user name.
if ($author_email == '' and filter_var($author_name, FILTER_VALIDATE_EMAIL)) {
$author_email = $author_name;
$author_name = substr($author_name, 0, strpos($author_name, '@'));
}
}
// Build up comment data array
$comment_data = array(
'comment_post_ID' => empty($post_id ) ? '' : $post_id
, 'comment_author' => empty($author_name ) ? '' : esc_sql($author_name)
, 'comment_author_email' => empty($author_email ) ? '' : esc_sql($author_email)
, 'comment_author_url' => empty($author_url ) ? '' : esc_sql($author_url)
, 'comment_author_IP' => empty($author_ip ) ? '' : $author_ip
, 'comment_date' => empty($comment_datestamp) ? '' : $this->mysql_date($comment_datestamp) //XXX ask or get the time offset ?
, 'comment_date_gmt' => empty($comment_datestamp) ? '' : $this->mysql_date($comment_datestamp) //XXX ask or get the time offset ?
, 'comment_content' => empty($comment_comment ) ? '' : esc_sql($comment_comment)
, 'comment_approved' => empty($comment_blocked ) ? '' : ! (int) $comment_blocked
, 'user_id' => empty($author_id ) ? '' : $author_id
, 'user_ID' => empty($author_id ) ? '' : $author_id
, 'filtered' => True
);
// Clean-up the array
foreach ($comment_data as $k=>$v)
if (strlen($v) <= 0)
unset($comment_data[$k]);
// Save e107 comment in WordPress database
$ret_id = wp_insert_comment($comment_data);
// Update post mapping
$this->comment_mapping[$comment_id] = (int) $ret_id;
}
}
// Import all e107 forums to bbPress plugin
function importForums() {
// Group users by class
$user_classes = array();
$user_list = $this->getE107UserList();
foreach ($user_list as $user) {
extract($user);
if (!empty($user_class)) {
$user_class = (int) $user_class;
$updated_user_list = array();
if (array_key_exists($user_class, $user_classes))
$updated_user_list = $user_classes[$user_class];
$updated_user_list[] = (int) $user_id;
$user_classes[$user_class] = $updated_user_list;
}
}
// Import all forum
$forum_list = $this->getE107ForumList();
foreach ($forum_list as $forum)
$this->importForum($forum, $user_classes);
}
// Migrate one forum to bbPress plugin using its e107 data
function importForum($forum, $user_classes) {
extract($forum);
$forum_id = (int) $forum_id;
$forum_parent = (int) $forum_parent;
$forum_moderators = (int) $forum_moderators;
// Create a list of potential author based on all moderators
$potential_authors = array();
// If moderator ID is not 254 then moderators are defined as a e107 user class.
// Else, do nothing: it means moderators are all e107 admins, which is the default bbPress behaviour.
if ($forum_moderators != 254 and array_key_exists($forum_moderators, $user_classes)) {
// Migrate moderator roles from e107 users to WordPress
foreach ($user_classes[$forum_moderators] as $moderator) {
$mod_id = (int) $this->user_mapping[$moderator];
$potential_authors[] = $mod_id;
$mod_user = new WP_User($mod_id);
$mod_role = array_shift($mod_user->roles);
// Increase user role to forum moderator only if user has no role nor moderate capability
if ((empty($mod_role) or $mod_role == 'subscriber') and !$mod_user->has_cap('moderate'))
$mod_user->set_role('bbp_moderator');
}
}
// Set the author of the forum: the oldest moderator or the oldest admin.
if (!empty($potential_authors)) {
ksort($potential_authors);
$author_id = array_shift($potential_authors);
} else {
$user_ids = $this->getWPUserIDs();
foreach ($user_ids as $user_id) {
if (user_can($user_id, 'publish_forums')) {
$author_id = $user_id;
break;
}
}
}
// Calculate forum's parent
$updated_parent = 0;
if (array_key_exists($forum_parent, $this->forum_mapping)) {
$updated_parent = (int) $this->forum_mapping[$forum_parent];
}
// Save e107 forum in WordPress database
$ret_id = wp_insert_post(array(
'post_author' => $author_id
, 'post_date' => $this->mysql_date($forum_datestamp) //XXX ask or get the time offset ?
, 'post_date_gmt' => $this->mysql_date($forum_datestamp) //XXX ask or get the time offset ?
, 'post_content' => $forum_description
, 'post_title' => $forum_name
, 'post_name' => sanitize_title($forum_name)
, 'post_type' => bbp_get_forum_post_type()
, 'comment_status' => 'closed'
, 'ping_status' => 'closed'
, 'post_parent' => $updated_parent
, 'menu_order' => (int) $forum_order
));
// Update forum mapping
$this->forum_mapping[$forum_id] = (int) $ret_id;
// Set forum visibility.
// 0 -> Everyone (public)
// 253 -> Members
// 254 -> Admin
// 255 -> No One (inactive)
// X -> user class ID
if ($forum_class == 0) {
bbp_open_forum($ret_id);
bbp_publicize_forum($ret_id);
} elseif ($forum_class == 254 or $forum_class == 255) {
bbp_close_forum($ret_id);
bbp_privatize_forum($ret_id);
} elseif ($forum_class == 253) {
bbp_open_forum($ret_id);
bbp_privatize_forum($ret_id);
} else {
bbp_open_forum($ret_id);
bbp_privatize_forum($ret_id);
}
// TODO: $forum_postclass is for "Post permission (indicates who can post to the forum)"
// 0 -> Everyone (public)
// 253 -> Members
// 254 -> Admin
// 255 -> No One (inactive)
// X -> user class ID
// Set forum type
if ($forum_parent == 0) {
// The forum is a category
bbp_categorize_forum($ret_id);
} else {
// The forum is a normal forum
bbp_normalize_forum($ret_id);
}
// XXX How to handle e107's $forum_sub field ?
// Publish the forum
wp_publish_post($ret_id);
}
// Import all e107 forum threads to bbPress plugin
function importForumThreads() {
$forum_post_list = $this->getE107ForumPostList();
foreach ($forum_post_list as $thread)
$this->importForumThread($thread);
}
// Import e107 forum content to bbPress WordPress plugin
// This method mimick bbp_new_topic_handler() and bbp_new_reply_handler()
function importForumThread($thread) {
extract($thread);
$thread_id = (int) $thread_id;
$thread_forum_id = (int) $thread_forum_id;
$thread_parent = (int) $thread_parent;
$thread_s = (int) $thread_s;
$thread_active = (int) $thread_active;
// Compute thread author's new ID
$author_fragments = explode(".", $thread_user, 2);
$author_id = (int) $author_fragments[0];
$author_name = $author_fragments[1];
$author_ip = '';
// Author is anonymous, its name and IP are intertwined
if ($author_id == 0) {
$last_valid_cut = 0;
for ($cut_index=1; $cut_index<strlen($author_name); $cut_index++) {
if (filter_var(substr($author_name, -$cut_index), FILTER_VALIDATE_IP))
$last_valid_cut = $cut_index;
}
$author_ip = substr($author_name, -$last_valid_cut);
$author_name = substr($author_name, 0, -$last_valid_cut);
// Author is not anonymous, we should find him in WordPress
} else {
if (array_key_exists($author_id, $this->user_mapping)) {
$author_id = (int) $this->user_mapping[$author_id];
} else{
// Some users had an account but were deleted for any other reason.
// In this case, let's declare them anonymous. $author_name is still set.
$author_id = 0;
}
}
// Top message of threads are topics, attached to a forum.
// Others are replies, attached to a topic.
if ($thread_parent > 0) {
$post_type_id = bbp_get_reply_post_type();
$thread_parent_id = (int) $this->forum_post_mapping[$thread_parent];
} else {
$post_type_id = bbp_get_topic_post_type();
$thread_parent_id = $this->forum_mapping[$thread_forum_id];
}
// Apply pre filters
$post_title = apply_filters('bbp_new_'.$post_type_id.'_pre_title' , $thread_name);
$post_content = apply_filters('bbp_new_'.$post_type_id.'_pre_content', $thread_thread);
// Get creation date
$post_date = $this->mysql_date($thread_datestamp); //XXX ask or get the time offset ?
// TODO: How-to handle $thread_edit_datestamp ?
// Save e107 forum in WordPress database
$ret_id = wp_insert_post(array(
'post_author' => $author_id
, 'post_date' => $post_date
, 'post_date_gmt' => $post_date
, 'post_content' => $post_content