namespace Friendica\Model;
-use Friendica\Core\Cache\Duration;
-use Friendica\Core\Logger;
use Friendica\Database\DBA;
-use Friendica\DI;
-use Friendica\Util\Strings;
/**
* Class Term
class Term
{
const UNKNOWN = 0;
- const HASHTAG = 1;
- const MENTION = 2;
const CATEGORY = 3;
const FILE = 5;
- /**
- * An implicit mention is a mention in a comment body that is redundant with the threading information.
- */
- const IMPLICIT_MENTION = 8;
- /**
- * An exclusive mention transfers the ownership of the post to the target account, usually a forum.
- */
- const EXCLUSIVE_MENTION = 9;
-
- const TAG_CHARACTER = [
- self::HASHTAG => '#',
- self::MENTION => '@',
- self::IMPLICIT_MENTION => '%',
- self::EXCLUSIVE_MENTION => '!',
- ];
const OBJECT_TYPE_POST = 1;
- const OBJECT_TYPE_PHOTO = 2;
-
- /**
- * Returns a list of the most frequent global hashtags over the given period
- *
- * @param int $period Period in hours to consider posts
- * @return array
- * @throws \Exception
- */
- public static function getGlobalTrendingHashtags(int $period, $limit = 10)
- {
- $tags = DI::cache()->get('global_trending_tags');
-
- if (!$tags) {
- $tagsStmt = DBA::p("SELECT t.`term`, COUNT(*) AS `score`
- FROM `term` t
- JOIN `item` i ON i.`id` = t.`oid` AND i.`uid` = t.`uid`
- JOIN `thread` ON `thread`.`iid` = i.`id`
- WHERE `thread`.`visible`
- AND NOT `thread`.`deleted`
- AND NOT `thread`.`moderated`
- AND `thread`.`private` = ?
- AND t.`uid` = 0
- AND t.`otype` = ?
- AND t.`type` = ?
- AND t.`term` != ''
- AND i.`received` > DATE_SUB(NOW(), INTERVAL ? HOUR)
- GROUP BY `term`
- ORDER BY `score` DESC
- LIMIT ?",
- Item::PUBLIC,
- Term::OBJECT_TYPE_POST,
- Term::HASHTAG,
- $period,
- $limit
- );
-
- if (DBA::isResult($tagsStmt)) {
- $tags = DBA::toArray($tagsStmt);
- DI::cache()->set('global_trending_tags', $tags, Duration::HOUR);
- }
- }
-
- return $tags ?: [];
- }
-
- /**
- * Returns a list of the most frequent local hashtags over the given period
- *
- * @param int $period Period in hours to consider posts
- * @return array
- * @throws \Exception
- */
- public static function getLocalTrendingHashtags(int $period, $limit = 10)
- {
- $tags = DI::cache()->get('local_trending_tags');
-
- if (!$tags) {
- $tagsStmt = DBA::p("SELECT t.`term`, COUNT(*) AS `score`
- FROM `term` t
- JOIN `item` i ON i.`id` = t.`oid` AND i.`uid` = t.`uid`
- JOIN `thread` ON `thread`.`iid` = i.`id`
- WHERE `thread`.`visible`
- AND NOT `thread`.`deleted`
- AND NOT `thread`.`moderated`
- AND `thread`.`private` = ?
- AND `thread`.`wall`
- AND `thread`.`origin`
- AND t.`otype` = ?
- AND t.`type` = ?
- AND t.`term` != ''
- AND i.`received` > DATE_SUB(NOW(), INTERVAL ? HOUR)
- GROUP BY `term`
- ORDER BY `score` DESC
- LIMIT ?",
- Item::PUBLIC,
- Term::OBJECT_TYPE_POST,
- Term::HASHTAG,
- $period,
- $limit
- );
-
- if (DBA::isResult($tagsStmt)) {
- $tags = DBA::toArray($tagsStmt);
- DI::cache()->set('local_trending_tags', $tags, Duration::HOUR);
- }
- }
-
- return $tags ?: [];
- }
-
- /**
- * Generates the legacy item.tag field comma-separated BBCode string from an item ID.
- * Includes only hashtags, implicit and explicit mentions.
- *
- * @param int $item_id
- * @return string
- * @throws \Exception
- */
- public static function tagTextFromItemId($item_id)
- {
- $tag_list = [];
- $tags = self::tagArrayFromItemId($item_id, [self::HASHTAG, self::MENTION, self::IMPLICIT_MENTION]);
- foreach ($tags as $tag) {
- $tag_list[] = self::TAG_CHARACTER[$tag['type']] . '[url=' . $tag['url'] . ']' . $tag['term'] . '[/url]';
- }
-
- return implode(',', $tag_list);
- }
-
- /**
- * Retrieves the terms from the provided type(s) associated with the provided item ID.
- *
- * @param int $item_id
- * @param int|array $type
- * @return array
- * @throws \Exception
- */
- public static function tagArrayFromItemId($item_id, $type = [self::HASHTAG, self::MENTION])
- {
- $condition = ['otype' => self::OBJECT_TYPE_POST, 'oid' => $item_id, 'type' => $type];
- $tags = DBA::select('term', ['type', 'term', 'url'], $condition);
- if (!DBA::isResult($tags)) {
- return [];
- }
-
- return DBA::toArray($tags);
- }
/**
* Generates the legacy item.file field string from an item ID.
public static function fileTextFromItemId($item_id)
{
$file_text = '';
- $tags = self::tagArrayFromItemId($item_id, [self::FILE, self::CATEGORY]);
+
+ $condition = ['otype' => self::OBJECT_TYPE_POST, 'oid' => $item_id, 'type' => [self::FILE, self::CATEGORY]];
+ $tags = DBA::selectToArray('term', ['type', 'term', 'url'], $condition);
foreach ($tags as $tag) {
if ($tag['type'] == self::CATEGORY) {
$file_text .= '<' . $tag['term'] . '>';
return $file_text;
}
- /**
- * Inserts new terms for the provided item ID based on the legacy item.tag field BBCode content.
- * Deletes all previous tag terms for the same item ID.
- * Sets both the item.mention and thread.mentions field flags if a mention concerning the item UID is found.
- *
- * @param int $item_id
- * @param string $tag_str
- * @throws \Friendica\Network\HTTPException\InternalServerErrorException
- */
- public static function insertFromTagFieldByItemId($item_id, $tag_str)
- {
- $profile_base = DI::baseUrl();
- $profile_data = parse_url($profile_base);
- $profile_path = $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'];
- $item = Item::selectFirst($fields, ['id' => $item_id]);
- if (!DBA::isResult($item)) {
- return;
- }
-
- $item['tag'] = $tag_str;
-
- // Clean up all tags
- self::deleteByItemId($item_id);
-
- if ($item['deleted']) {
- return;
- }
-
- $taglist = explode(',', $item['tag']);
-
- $tags_string = '';
- foreach ($taglist as $tag) {
- if (Strings::startsWith($tag, self::TAG_CHARACTER)) {
- $tags_string .= ' ' . trim($tag);
- } else {
- $tags_string .= ' #' . trim($tag);
- }
- }
-
- $data = ' ' . $item['title'] . ' ' . $item['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 $match) {
-
- if (in_array($match[1], [
- self::TAG_CHARACTER[self::MENTION],
- self::TAG_CHARACTER[self::IMPLICIT_MENTION],
- self::TAG_CHARACTER[self::EXCLUSIVE_MENTION]
- ])) {
- $contact = Contact::getDetailsByURL($match[2], 0);
- if (!empty($contact['addr'])) {
- $match[3] = $contact['addr'];
- }
-
- if (!empty($contact['url'])) {
- $match[2] = $contact['url'];
- }
- }
-
- $tags[$match[2]] = $match[1] . trim($match[3], ',.:;[]/\"?!');
- }
- }
-
- foreach ($tags as $link => $tag) {
- if (self::isType($tag, self::HASHTAG)) {
- // 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 = self::HASHTAG;
- $term = substr($tag, 1);
- $link = '';
- } elseif (self::isType($tag, self::MENTION, self::EXCLUSIVE_MENTION, self::IMPLICIT_MENTION)) {
- if (self::isType($tag, self::MENTION, self::EXCLUSIVE_MENTION)) {
- $type = self::MENTION;
- } else {
- $type = self::IMPLICIT_MENTION;
- }
-
- $contact = Contact::getDetailsByURL($link, 0);
- if (!empty($contact['name'])) {
- $term = $contact['name'];
- } else {
- $term = substr($tag, 1);
- }
- } else { // This shouldn't happen
- $type = self::HASHTAG;
- $term = $tag;
- $link = '';
-
- Logger::notice('Unknown term type', ['tag' => $tag]);
- }
-
- if (DBA::exists('term', ['uid' => $item['uid'], 'otype' => self::OBJECT_TYPE_POST, 'oid' => $item_id, 'term' => $term, 'type' => $type])) {
- continue;
- }
-
- if ($item['uid'] == 0) {
- $global = true;
- DBA::update('term', ['global' => true], ['otype' => self::OBJECT_TYPE_POST, 'guid' => $item['guid']]);
- } else {
- $global = DBA::exists('term', ['uid' => 0, 'otype' => self::OBJECT_TYPE_POST, 'guid' => $item['guid']]);
- }
-
- DBA::insert('term', [
- 'uid' => $item['uid'],
- 'oid' => $item_id,
- 'otype' => self::OBJECT_TYPE_POST,
- 'type' => $type,
- 'term' => substr($term, 0, 255),
- 'url' => $link,
- 'guid' => $item['guid'],
- 'created' => $item['created'],
- 'received' => $item['received'],
- 'global' => $global
- ]);
-
- // Search for mentions
- if (self::isType($tag, self::MENTION, self::EXCLUSIVE_MENTION)
- && (
- strpos($link, $profile_base_friendica) !== false
- || strpos($link, $profile_base_diaspora) !== false
- )
- ) {
- $users_stmt = DBA::p("SELECT `uid` FROM `contact` WHERE self AND (`url` = ? OR `nurl` = ?)", $link, $link);
- $users = DBA::toArray($users_stmt);
- foreach ($users AS $user) {
- if ($user['uid'] == $item['uid']) {
- /// @todo This function is called from Item::update - so we mustn't call that function here
- DBA::update('item', ['mention' => true], ['id' => $item_id]);
- DBA::update('thread', ['mention' => true], ['iid' => $item['parent']]);
- }
- }
- }
- }
- }
-
/**
* Inserts new terms for the provided item ID based on the legacy item.file field BBCode content.
* Deletes all previous file terms for the same item ID.
}
}
}
-
- /**
- * 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 $item
- * @return array
- * @throws \Friendica\Network\HTTPException\InternalServerErrorException
- * @throws \ImagickException
- */
- public static function populateTagsFromItem(&$item)
- {
- $return = [
- 'tags' => [],
- 'hashtags' => [],
- 'mentions' => [],
- 'implicit_mentions' => [],
- ];
-
- $searchpath = DI::baseUrl() . "/search?tag=";
-
- $taglist = DBA::select(
- 'term',
- ['type', 'term', 'url'],
- ['otype' => self::OBJECT_TYPE_POST, 'oid' => $item['id'], 'type' => [self::HASHTAG, self::MENTION, self::IMPLICIT_MENTION]],
- ['order' => ['tid']]
- );
- while ($tag = DBA::fetch($taglist)) {
- if ($tag['url'] == '') {
- $tag['url'] = $searchpath . rawurlencode($tag['term']);
- }
-
- $orig_tag = $tag['url'];
-
- $prefix = self::TAG_CHARACTER[$tag['type']];
- switch($tag['type']) {
- case self::HASHTAG:
- if ($orig_tag != $tag['url']) {
- $item['body'] = str_replace($orig_tag, $tag['url'], $item['body']);
- }
-
- $return['hashtags'][] = $prefix . '<a href="' . $tag['url'] . '" target="_blank" rel="noopener noreferrer">' . htmlspecialchars($tag['term']) . '</a>';
- $return['tags'][] = $prefix . '<a href="' . $tag['url'] . '" target="_blank" rel="noopener noreferrer">' . htmlspecialchars($tag['term']) . '</a>';
- break;
- case self::MENTION:
- $tag['url'] = Contact::magicLink($tag['url']);
- $return['mentions'][] = $prefix . '<a href="' . $tag['url'] . '" target="_blank" rel="noopener noreferrer">' . htmlspecialchars($tag['term']) . '</a>';
- $return['tags'][] = $prefix . '<a href="' . $tag['url'] . '" target="_blank" rel="noopener noreferrer">' . htmlspecialchars($tag['term']) . '</a>';
- break;
- case self::IMPLICIT_MENTION:
- $return['implicit_mentions'][] = $prefix . $tag['term'];
- break;
- }
- }
- DBA::close($taglist);
-
- return $return;
- }
-
- /**
- * Delete tags of the specific type(s) from an item
- *
- * @param int $item_id
- * @param int|array $type
- * @throws \Exception
- */
- public static function deleteByItemId($item_id, $type = [self::HASHTAG, self::MENTION, self::IMPLICIT_MENTION])
- {
- if (empty($item_id)) {
- return;
- }
-
- // Clean up all tags
- DBA::delete('term', ['otype' => self::OBJECT_TYPE_POST, 'oid' => $item_id, 'type' => $type]);
- }
-
- /**
- * Check if the provided tag is of one of the provided term types.
- *
- * @param string $tag
- * @param int ...$types
- * @return bool
- */
- public static function isType($tag, ...$types)
- {
- $tag_chars = [];
- foreach ($types as $type) {
- if (array_key_exists($type, self::TAG_CHARACTER)) {
- $tag_chars[] = self::TAG_CHARACTER[$type];
- }
- }
-
- return Strings::startsWith($tag, $tag_chars);
- }
}
projects / friendica.git / blobdiff