X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=include%2Ftags.php;h=4b45510b200d1a45c2d8b840e221e03bdd79eb30;hb=e36f2bb1fb3439e9993c7568e57140c4f954b772;hp=6c45a4aee21c4fe63ae07c5660036848892741d4;hpb=4e49939421d39dfa971d8744691568bcdbdca15e;p=friendica.git

diff --git a/include/tags.php b/include/tags.php
index 6c45a4aee2..4b45510b20 100644
--- a/include/tags.php
+++ b/include/tags.php
@@ -1,14 +1,21 @@
 <?php
 
+/**
+ * @file include/tags.php
+ */
 use Friendica\App;
-
-function create_tags_from_item($itemid) {
-	$profile_base = App::get_baseurl();
+use Friendica\Content\Feature;
+use Friendica\Core\System;
+use Friendica\Database\DBM;
+use Friendica\Model\Contact;
+
+function create_tags_from_item($itemid)
+{
+	$profile_base = System::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=";
+	$profile_path = defaults($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));
 
@@ -24,48 +31,53 @@ function create_tags_from_item($itemid) {
 		intval(TERM_HASHTAG),
 		intval(TERM_MENTION));
 
-	if ($message["deleted"])
+	if ($message['deleted']) {
 		return;
+	}
 
-	$taglist = explode(",", $message["tag"]);
+	$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);
+	$tags = '';
+	foreach ($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." ";
+	$data = ' ' . $message['title'] . ' ' . $message['body'] . ' ' . $tags . ' ';
 
 	// ignore anything in a code block
-	$data = preg_replace('/\[code\](.*?)\[\/code\]/sm','',$data);
+	$data = preg_replace('/\[code\](.*?)\[\/code\]/sm', '', $data);
 
-	$tags = array();
+	$tags = [];
 
-	$pattern = "/\W\#([^\[].*?)[\s'\".,:;\?!\[\]\/]/ism";
-	if (preg_match_all($pattern, $data, $matches))
-		foreach ($matches[1] as $match)
-			$tags["#".strtolower($match)] = ""; // $searchpath.strtolower($match);
+	$pattern = '/\W\#([^\[].*?)[\s\'".,:;\?!\[\]\/]/ism';
+	if (preg_match_all($pattern, $data, $matches)) {
+		foreach ($matches[1] as $match) {
+			$tags['#' . strtolower($match)] = '';
+		}
+	}
 
-	$pattern = "/\W([\#@])\[url\=(.*?)\](.*?)\[\/url\]/ism";
+	$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], ',.:;[]/\"?!'))] = $match[2];
+		foreach ($matches as $match) {
+			$tags[$match[1] . strtolower(trim($match[3], ',.:;[]/\"?!'))] = $match[2];
+		}
 	}
 
-	foreach ($tags as $tag=>$link) {
-
-		if (substr(trim($tag), 0, 1) == "#") {
+	foreach ($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($tag),1)))
+			if (ctype_digit(substr(trim($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($tag),2)))
+			if ((substr(trim($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($tag), 0, 1) == "@") {
+		} elseif (substr(trim($tag), 0, 1) == '@') {
 			$type = TERM_MENTION;
 			$term = substr($tag, 1);
 		} else { // This shouldn't happen
@@ -73,79 +85,241 @@ function create_tags_from_item($itemid) {
 			$term = $tag;
 		}
 
-		if ($message["uid"] == 0) {
+		if ($message['uid'] == 0) {
 			$global = true;
 
 			q("UPDATE `term` SET `global` = 1 WHERE `otype` = %d AND `guid` = '%s'",
-				intval(TERM_OBJ_POST), dbesc($message["guid"]));
+				intval(TERM_OBJ_POST), dbesc($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"]));
+				intval(TERM_OBJ_POST), dbesc($message['guid']));
 
 			$global = (count($isglobal) > 0);
 		}
 
-		$r = q("INSERT INTO `term` (`uid`, `oid`, `otype`, `type`, `term`, `url`, `guid`, `created`, `received`, `global`)
+		q("INSERT INTO `term` (`uid`, `oid`, `otype`, `type`, `term`, `url`, `guid`, `created`, `received`, `global`)
 				VALUES (%d, %d, %d, %d, '%s', '%s', '%s', '%s', '%s', %d)",
-			intval($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));
+			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"] == $message["uid"]) {
+				if ($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($message["parent"]));
+					q("UPDATE `thread` SET `mention` = 1 WHERE `iid` = %d", intval($message['parent']));
 				}
 			}
 		}
 	}
 }
 
-function create_tags_from_itemuri($itemuri, $uid) {
+function create_tags_from_itemuri($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"]);
+			create_tags_from_item($message['id']);
 		}
 	}
 }
 
-function update_items() {
-
+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($messages));
+	logger('fetched messages: ' . dba::num_rows($messages));
 	while ($message = dba::fetch($messages)) {
-
-		if ($message["uid"] == 0) {
+		if ($message['uid'] == 0) {
 			$global = true;
 
 			q("UPDATE `term` SET `global` = 1 WHERE `otype` = %d AND `guid` = '%s'",
-				intval(TERM_OBJ_POST), dbesc($message["guid"]));
+				intval(TERM_OBJ_POST), dbesc($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"]));
+				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($message["oid"]));
+			dbesc($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($messages));
+	logger('fetched messages: ' . dba::num_rows($messages));
 	while ($message = dba::fetch(messages)) {
-		q("UPDATE `item` SET `global` = 1 WHERE `guid` = '%s'", dbesc($message["guid"]));
+		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, [
+			'$title' => t('Tags'),
+			'$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 '';
+}