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friendica_2020-09-1_sharedH.../src/Model/Term.php

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