friendica/include/tags.php

150 lines
5.0 KiB
PHP

<?php
function create_tags_from_item($itemid) {
$profile_base = App::get_baseurl();
$profile_data = parse_url($profile_base);
$profile_base_friendica = $profile_data['host'].$profile_data['path']."/profile/";
$profile_base_diaspora = $profile_data['host'].$profile_data['path']."/u/";
$searchpath = App::get_baseurl()."/search?tag=";
$messages = q("SELECT `guid`, `uid`, `id`, `edited`, `deleted`, `created`, `received`, `title`, `body`, `tag`, `parent` FROM `item` WHERE `id` = %d LIMIT 1", intval($itemid));
if (!$messages)
return;
$message = $messages[0];
// Clean up all tags
q("DELETE FROM `term` WHERE `otype` = %d AND `oid` = %d AND `type` IN (%d, %d)",
intval(TERM_OBJ_POST),
intval($itemid),
intval(TERM_HASHTAG),
intval(TERM_MENTION));
if ($message["deleted"])
return;
$taglist = explode(",", $message["tag"]);
$tags = "";
foreach ($taglist as $tag)
if ((substr(trim($tag), 0, 1) == "#") OR (substr(trim($tag), 0, 1) == "@"))
$tags .= " ".trim($tag);
else
$tags .= " #".trim($tag);
$data = " ".$message["title"]." ".$message["body"]." ".$tags." ";
// ignore anything in a code block
$data = preg_replace('/\[code\](.*?)\[\/code\]/sm','',$data);
$tags = array();
$pattern = "/\W\#([^\[].*?)[\s'\".,:;\?!\[\]\/]/ism";
if (preg_match_all($pattern, $data, $matches))
foreach ($matches[1] as $match)
$tags["#".strtolower($match)] = ""; // $searchpath.strtolower($match);
$pattern = "/\W([\#@])\[url\=(.*?)\](.*?)\[\/url\]/ism";
if (preg_match_all($pattern, $data, $matches, PREG_SET_ORDER)) {
foreach ($matches as $match)
$tags[$match[1].strtolower(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) {
$global = true;
q("UPDATE `term` SET `global` = 1 WHERE `otype` = %d AND `guid` = '%s'",
intval(TERM_OBJ_POST), dbesc($message["guid"]));
} else {
$isglobal = q("SELECT `global` FROM `term` WHERE `uid` = 0 AND `otype` = %d AND `guid` = '%s'",
intval(TERM_OBJ_POST), dbesc($message["guid"]));
$global = (count($isglobal) > 0);
}
$r = q("INSERT INTO `term` (`uid`, `oid`, `otype`, `type`, `term`, `url`, `guid`, `created`, `received`, `global`)
VALUES (%d, %d, %d, %d, '%s', '%s', '%s', '%s', '%s', %d)",
intval($message["uid"]), intval($itemid), intval(TERM_OBJ_POST), intval($type), dbesc($term),
dbesc($link), dbesc($message["guid"]), dbesc($message["created"]), dbesc($message["received"]), intval($global));
// Search for mentions
if ((substr($tag, 0, 1) == '@') AND (strpos($link, $profile_base_friendica) OR strpos($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"] == $message["uid"]) {
q("UPDATE `item` SET `mention` = 1 WHERE `id` = %d", intval($itemid));
q("UPDATE `thread` SET `mention` = 1 WHERE `iid` = %d", intval($message["parent"]));
}
}
}
}
}
function create_tags_from_itemuri($itemuri, $uid) {
$messages = q("SELECT `id` FROM `item` WHERE uri ='%s' AND uid=%d", dbesc($itemuri), intval($uid));
if(count($messages)) {
foreach ($messages as $message)
create_tags_from_item($message["id"]);
}
}
function update_items() {
global $db;
$messages = $db->q("SELECT `oid`,`item`.`guid`, `item`.`created`, `item`.`received` FROM `term` INNER JOIN `item` ON `item`.`id`=`term`.`oid` WHERE `term`.`otype` = 1 AND `term`.`guid` = ''", true);
logger("fetched messages: ".count($messages));
while ($message = $db->qfetch()) {
if ($message["uid"] == 0) {
$global = true;
q("UPDATE `term` SET `global` = 1 WHERE `otype` = %d AND `guid` = '%s'",
intval(TERM_OBJ_POST), dbesc($message["guid"]));
} else {
$isglobal = q("SELECT `global` FROM `term` WHERE `uid` = 0 AND `otype` = %d AND `guid` = '%s'",
intval(TERM_OBJ_POST), dbesc($message["guid"]));
$global = (count($isglobal) > 0);
}
q("UPDATE `term` SET `guid` = '%s', `created` = '%s', `received` = '%s', `global` = %d WHERE `otype` = %d AND `oid` = %d",
dbesc($message["guid"]), dbesc($message["created"]), dbesc($message["received"]),
intval($global), intval(TERM_OBJ_POST), intval($message["oid"]));
}
$db->qclose();
$messages = $db->q("SELECT `guid` FROM `item` WHERE `uid` = 0", true);
logger("fetched messages: ".count($messages));
while ($message = $db->qfetch()) {
q("UPDATE `item` SET `global` = 1 WHERE `guid` = '%s'", dbesc($message["guid"]));
}
$db->qclose();
}
?>