+ 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 $tag_text;
+ }
+
+ public static function fileTextFromItemId($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' => $itemid]);
+ if (!DBA::isResult($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']]);
+ }
+ }
+ }
+ }
+ }
+