From d00c6111fd8dcb0a67c7970c53048dcdd28da5d9 Mon Sep 17 00:00:00 2001
From: Hypolite Petovan <mrpetovan@gmail.com>
Date: Sat, 3 Feb 2018 23:52:36 -0500
Subject: [PATCH] Replace include/tags function content with references to src
 methods

---
 include/tags.php | 315 +----------------------------------------------
 1 file changed, 6 insertions(+), 309 deletions(-)

diff --git a/include/tags.php b/include/tags.php
index 772255ed49..4a1c3c977f 100644
--- a/include/tags.php
+++ b/include/tags.php
@@ -2,324 +2,21 @@
 /**
  * @file include/tags.php
  */
-use Friendica\App;
-use Friendica\Content\Feature;
-use Friendica\Core\L10n;
-use Friendica\Core\System;
-use Friendica\Database\DBM;
-use Friendica\Model\Contact;
+
+use Friendica\Content\Widget;
+use Friendica\Model\Term;
 
 function create_tags_from_item($itemid)
 {
-	$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/';
-
-	$messages = q("SELECT `guid`, `uid`, `id`, `edited`, `deleted`, `created`, `received`, `title`, `body`, `tag`, `parent` FROM `item` WHERE `id` = %d LIMIT 1", intval($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) == '#') || (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 = [];
-
-	$pattern = '/\W\#([^\[].*?)[\s\'".,:;\?!\[\]\/]/ism';
-	if (preg_match_all($pattern, $data, $matches)) {
-		foreach ($matches[1] as $match) {
-			$tags['#' . strtolower($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);
-		}
-
-		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) == '@') && (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'] == $message['uid']) {
-					q("UPDATE `item` SET `mention` = 1 WHERE `id` = %d", intval($itemid));
-
-					q("UPDATE `thread` SET `mention` = 1 WHERE `iid` = %d", intval($message['parent']));
-				}
-			}
-		}
-	}
+	return Term::insertFromItemId($itemid);
 }
 
 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']);
-		}
-	}
+	return Term::insertFromItemUri($itemuri, $uid);
 }
 
-function update_items()
-{
-	$messages = dba::p("SELECT `oid`,`item`.`guid`, `item`.`created`, `item`.`received` FROM `term` INNER JOIN `item` ON `item`.`id`=`term`.`oid` WHERE `term`.`otype` = 1 AND `term`.`guid` = ''");
-
-	logger('fetched messages: ' . dba::num_rows($messages));
-	while ($message = dba::fetch($messages)) {
-		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($message['oid']));
-	}
-
-	dba::close($messages);
-
-	$messages = dba::p("SELECT `guid` FROM `item` WHERE `uid` = 0");
-
-	logger('fetched messages: ' . dba::num_rows($messages));
-	while ($message = dba::fetch(messages)) {
-		q("UPDATE `item` SET `global` = 1 WHERE `guid` = '%s'", dbesc($message['guid']));
-	}
-
-	dba::close($messages);
-}
-
-/**
- * @brief Get alphabetical sorted array of used tags/terms of an user including
- * a weighting by frequency of use.
- *
- * @param int $uid      The user ID.
- * @param int $count    Max number of displayed tags/terms.
- * @param int $owner_id The contact id of the owner of the tagged items.
- * @param string $flags Special item flags.
- * @param int $type     The tag/term type.
- *
- * @return arr          Alphabetical sorted array of used tags of an user.
- */
-function tagadelic($uid, $count = 0, $owner_id = 0, $flags = '', $type = TERM_HASHTAG)
-{
-	require_once 'include/security.php';
-
-	$item_condition = item_condition();
-	$sql_options = item_permissions_sql($uid);
-	$limit = $count ? sprintf('LIMIT %d', intval($count)) : '';
-
-	if ($flags) {
-		if ($flags === 'wall') {
-			$sql_options .= ' AND `item`.`wall` ';
-		}
-	}
-
-	if ($owner_id) {
-		$sql_options .= ' AND `item`.`owner-id` = ' . intval($owner_id) . ' ';
-	}
-
-	// Fetch tags
-	$r = dba::p("SELECT `term`, COUNT(`term`) AS `total` FROM `term`
-		LEFT JOIN `item` ON `term`.`oid` = `item`.`id`
-		WHERE `term`.`uid` = ? AND `term`.`type` = ?
-		AND `term`.`otype` = ?
-		AND $item_condition $sql_options
-		GROUP BY `term` ORDER BY `total` DESC $limit",
-		$uid,
-		$type,
-		TERM_OBJ_POST
-	);
-	if (!DBM::is_result($r)) {
-		return [];
-	}
-
-	return tag_calc($r);
-}
-
-/**
- * @brief Construct a tag/term cloud block for an user.
- *
- * @param int $uid      The user ID.
- * @param int $count    Max number of displayed tags/terms.
- * @param int $owner_id The contact ID of the owner of the tagged items.
- * @param string $flags Special item flags.
- * @param int $type     The tag/term type.
- *
- * @return string       HTML formatted output.
- */
-function wtagblock($uid, $count = 0, $owner_id = 0, $flags = '', $type = TERM_HASHTAG)
-{
-	$o = '';
-	$r = tagadelic($uid, $count, $owner_id, $flags, $type);
-	if (count($r)) {
-		$contact = dba::selectFirst('contact', ['url'], ['id' => $uid]);
-		$url = System::removedBaseUrl($contact['url']);
-
-		foreach ($r as $rr) {
-			$tag['level'] = $rr[2];
-			$tag['url'] = $url . '?tag=' . urlencode($rr[0]);
-			$tag['name'] = $rr[0];
-
-			$tags[] = $tag;
-		}
-
-		$tpl = get_markup_template('tagblock_widget.tpl');
-		$o = replace_macros($tpl, [
-			'$title' => L10n::t('Tags'),
-			'$tags' => $tags
-		]);
-	}
-	return $o;
-}
-
-/**
- * @brief Calculate weighting of tags according to the frequency of use.
- *
- * @param array $arr Array of tags/terms with tag/term name and total count of use.
- * @return array     Alphabetical sorted array of used tags/terms of an user.
- */
-function tag_calc($arr)
-{
-	$tags = [];
-	$min = 1e9;
-	$max = -1e9;
-	$x = 0;
-
-	if (!$arr) {
-		return [];
-	}
-
-	foreach ($arr as $rr) {
-		$tags[$x][0] = $rr['term'];
-		$tags[$x][1] = log($rr['total']);
-		$tags[$x][2] = 0;
-		$min = min($min, $tags[$x][1]);
-		$max = max($max, $tags[$x][1]);
-		$x ++;
-	}
-
-	usort($tags, 'tags_sort');
-	$range = max(.01, $max - $min) * 1.0001;
-
-	for ($x = 0; $x < count($tags); $x ++) {
-		$tags[$x][2] = 1 + floor(9 * ($tags[$x][1] - $min) / $range);
-	}
-
-	return $tags;
-}
-
-/**
- * @brief Compare function to sort tags/terms alphabetically.
- *
- * @param type $a
- * @param type $b
- *
- * @return int
- */
-function tags_sort($a, $b)
-{
-	if (strtolower($a[0]) == strtolower($b[0])) {
-		return 0;
-	}
-	return ((strtolower($a[0]) < strtolower($b[0])) ? -1 : 1);
-}
-
-/**
- * @brief Insert a tag cloud widget for the present profile.
- *
- * @param int     $limit Max number of displayed tags.
- * @return string HTML formattat output.
- */
 function tagcloud_wall_widget($limit = 50)
 {
-	$a = get_app();
-
-	if (!$a->profile['profile_uid'] || !$a->profile['url']) {
-		return '';
-	}
-
-	if (Feature::isEnabled($a->profile['profile_uid'], 'tagadelic')) {
-		$owner_id = Contact::getIdForURL($a->profile['url']);
-
-		if (!$owner_id) {
-			return '';
-		}
-		return wtagblock($a->profile['profile_uid'], $limit, $owner_id, 'wall');
-	}
-
-	return '';
+	return Widget::tagCloud($limit);
 }