219 lines
6 KiB
PHP
219 lines
6 KiB
PHP
<?php
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/**
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* @file src/Model/Term
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*/
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namespace Friendica\Model;
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use Friendica\Core\System;
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use Friendica\Database\DBM;
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use dba;
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require_once 'boot.php';
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require_once 'include/conversation.php';
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require_once 'include/dba.php';
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class Term
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{
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public static function insertFromTagFieldByItemId($itemid)
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{
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$profile_base = System::baseUrl();
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$profile_data = parse_url($profile_base);
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$profile_path = defaults($profile_data, 'path', '');
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$profile_base_friendica = $profile_data['host'] . $profile_path . '/profile/';
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$profile_base_diaspora = $profile_data['host'] . $profile_path . '/u/';
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$fields = ['guid', 'uid', 'id', 'edited', 'deleted', 'created', 'received', 'title', 'body', 'tag', 'parent'];
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$message = dba::selectFirst('item', $fields, ['id' => $itemid]);
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if (!DBM::is_result($message)) {
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return;
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}
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// Clean up all tags
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dba::delete('term', ['otype' => TERM_OBJ_POST, 'oid' => $itemid, 'type' => [TERM_HASHTAG, TERM_MENTION]]);
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if ($message['deleted']) {
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return;
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}
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$taglist = explode(',', $message['tag']);
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$tags_string = '';
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foreach ($taglist as $tag) {
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if ((substr(trim($tag), 0, 1) == '#') || (substr(trim($tag), 0, 1) == '@')) {
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$tags_string .= ' ' . trim($tag);
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} else {
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$tags_string .= ' #' . trim($tag);
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}
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}
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$data = ' ' . $message['title'] . ' ' . $message['body'] . ' ' . $tags_string . ' ';
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// ignore anything in a code block
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$data = preg_replace('/\[code\](.*?)\[\/code\]/sm', '', $data);
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$tags = [];
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$pattern = '/\W\#([^\[].*?)[\s\'".,:;\?!\[\]\/]/ism';
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if (preg_match_all($pattern, $data, $matches)) {
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foreach ($matches[1] as $match) {
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$tags['#' . strtolower($match)] = '';
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}
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}
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$pattern = '/\W([\#@])\[url\=(.*?)\](.*?)\[\/url\]/ism';
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if (preg_match_all($pattern, $data, $matches, PREG_SET_ORDER)) {
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foreach ($matches as $match) {
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$tags[$match[1] . strtolower(trim($match[3], ',.:;[]/\"?!'))] = $match[2];
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}
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}
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foreach ($tags as $tag => $link) {
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if (substr(trim($tag), 0, 1) == '#') {
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// try to ignore #039 or #1 or anything like that
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if (ctype_digit(substr(trim($tag), 1))) {
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continue;
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}
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// try to ignore html hex escapes, e.g. #x2317
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if ((substr(trim($tag), 1, 1) == 'x' || substr(trim($tag), 1, 1) == 'X') && ctype_digit(substr(trim($tag), 2))) {
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continue;
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}
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$type = TERM_HASHTAG;
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$term = substr($tag, 1);
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} elseif (substr(trim($tag), 0, 1) == '@') {
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$type = TERM_MENTION;
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$term = substr($tag, 1);
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} else { // This shouldn't happen
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$type = TERM_HASHTAG;
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$term = $tag;
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}
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if ($message['uid'] == 0) {
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$global = true;
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dba::update('term', ['global' => true], ['otype' => TERM_OBJ_POST, 'guid' => $message['guid']]);
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} else {
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$global = dba::exists('term', ['uid' => 0, 'otype' => TERM_OBJ_POST, 'guid' => $message['guid']]);
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}
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dba::insert('term', [
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'uid' => $message['uid'],
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'oid' => $itemid,
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'otype' => TERM_OBJ_POST,
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'type' => $type,
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'term' => $term,
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'url' => $link,
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'guid' => $message['guid'],
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'created' => $message['created'],
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'received' => $message['received'],
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'global' => $global
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]);
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// Search for mentions
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if ((substr($tag, 0, 1) == '@') && (strpos($link, $profile_base_friendica) || strpos($link, $profile_base_diaspora))) {
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$users = q("SELECT `uid` FROM `contact` WHERE self AND (`url` = '%s' OR `nurl` = '%s')", $link, $link);
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foreach ($users AS $user) {
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if ($user['uid'] == $message['uid']) {
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dba::update('item', ['mention' => true], ['id' => $itemid]);
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dba::update('thread', ['mention' => true], ['iid' => $message['parent']]);
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}
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}
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}
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}
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}
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/**
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* @param integer $itemid item id
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* @return void
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*/
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public static function insertFromFileFieldByItemId($itemid)
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{
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$message = dba::selectFirst('item', ['uid', 'deleted', 'file'], ['id' => $itemid]);
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if (!DBM::is_result($message)) {
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return;
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}
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// Clean up all tags
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dba::delete('term', ['otype' => TERM_OBJ_POST, 'oid' => $itemid, 'type' => [TERM_FILE, TERM_CATEGORY]]);
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if ($message["deleted"]) {
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return;
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}
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if (preg_match_all("/\[(.*?)\]/ism", $message["file"], $files)) {
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foreach ($files[1] as $file) {
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dba::insert('term', [
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'uid' => $message["uid"],
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'oid' => $itemid,
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'otype' => TERM_OBJ_POST,
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'type' => TERM_FILE,
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'term' => $file
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]);
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}
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}
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if (preg_match_all("/\<(.*?)\>/ism", $message["file"], $files)) {
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foreach ($files[1] as $file) {
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dba::insert('term', [
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'uid' => $message["uid"],
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'oid' => $itemid,
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'otype' => TERM_OBJ_POST,
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'type' => TERM_CATEGORY,
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'term' => $file
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]);
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}
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}
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}
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/**
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* Sorts an item's tags into mentions, hashtags and other tags. Generate personalized URLs by user and modify the
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* provided item's body with them.
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*
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* @param array $item
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* @return array
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*/
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public static function populateTagsFromItem(&$item)
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{
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$return = [
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'tags' => [],
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'hashtags' => [],
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'mentions' => [],
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];
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$searchpath = System::baseUrl() . "/search?tag=";
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$taglist = dba::select(
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'term',
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['type', 'term', 'url'],
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["`otype` = ? AND `oid` = ? AND `type` IN (?, ?)", TERM_OBJ_POST, $item['id'], TERM_HASHTAG, TERM_MENTION],
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['order' => ['tid']]
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);
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while ($tag = dba::fetch($taglist)) {
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if ($tag["url"] == "") {
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$tag["url"] = $searchpath . strtolower($tag["term"]);
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}
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$orig_tag = $tag["url"];
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$tag["url"] = Contact::magicLinkById($item['author-id'], $tag['url']);
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if ($tag["type"] == TERM_HASHTAG) {
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if ($orig_tag != $tag["url"]) {
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$item['body'] = str_replace($orig_tag, $tag["url"], $item['body']);
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}
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$return['hashtags'][] = "#<a href=\"" . $tag["url"] . "\" target=\"_blank\">" . $tag["term"] . "</a>";
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$prefix = "#";
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} elseif ($tag["type"] == TERM_MENTION) {
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$return['mentions'][] = "@<a href=\"" . $tag["url"] . "\" target=\"_blank\">" . $tag["term"] . "</a>";
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$prefix = "@";
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}
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$return['tags'][] = $prefix . "<a href=\"" . $tag["url"] . "\" target=\"_blank\">" . $tag["term"] . "</a>";
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}
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dba::close($taglist);
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return $return;
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}
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}
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