X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=include%2Ftags.php;h=6c13b82962f9e0b6103b5a8628f667d2e63432ed;hb=2844947f5c284748ff30012fbc4caecb2c59c794;hp=6067f3f4b93c58b2c41308412fbf18b4f9a264c2;hpb=fa3fa42d966e00534aa6cbf33d60ef438a8e3b97;p=friendica.git

diff --git a/include/tags.php b/include/tags.php
index 6067f3f4b9..6c13b82962 100644
--- a/include/tags.php
+++ b/include/tags.php
@@ -1,15 +1,16 @@
 <?php
 
 use Friendica\App;
+use Friendica\Core\System;
+use Friendica\Database\DBM;
+use Friendica\Object\Contact;
 
 function create_tags_from_item($itemid) {
-	$profile_base = App::get_baseurl();
+	$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=";
-
 	$messages = q("SELECT `guid`, `uid`, `id`, `edited`, `deleted`, `created`, `received`, `title`, `body`, `tag`, `parent` FROM `item` WHERE `id` = %d LIMIT 1", intval($itemid));
 
 	if (!$messages)
@@ -31,7 +32,7 @@ function create_tags_from_item($itemid) {
 
 	$tags = "";
 	foreach ($taglist as $tag)
-		if ((substr(trim($tag), 0, 1) == "#") OR (substr(trim($tag), 0, 1) == "@"))
+		if ((substr(trim($tag), 0, 1) == "#") || (substr(trim($tag), 0, 1) == "@"))
 			$tags .= " ".trim($tag);
 		else
 			$tags .= " #".trim($tag);
@@ -46,7 +47,7 @@ function create_tags_from_item($itemid) {
 	$pattern = "/\W\#([^\[].*?)[\s'\".,:;\?!\[\]\/]/ism";
 	if (preg_match_all($pattern, $data, $matches))
 		foreach ($matches[1] as $match)
-			$tags["#".strtolower($match)] = ""; // $searchpath.strtolower($match);
+			$tags["#".strtolower($match)] = "";
 
 	$pattern = "/\W([\#@])\[url\=(.*?)\](.*?)\[\/url\]/ism";
 	if (preg_match_all($pattern, $data, $matches, PREG_SET_ORDER)) {
@@ -58,10 +59,10 @@ function create_tags_from_item($itemid) {
 
 		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);
@@ -91,7 +92,7 @@ function create_tags_from_item($itemid) {
 			dbesc($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, $profile_base_diaspora))) {
+		if ((substr($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"] == $message["uid"]) {
@@ -107,9 +108,10 @@ function create_tags_from_item($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 $message)
+	if (count($messages)) {
+		foreach ($messages as $message) {
 			create_tags_from_item($message["id"]);
+		}
 	}
 }
 
@@ -148,3 +150,166 @@ function update_items() {
 
 	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);
+	$count = intval($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 = q("SELECT `term`, COUNT(`term`) AS `total` FROM `term`
+		LEFT JOIN `item` ON `term`.`oid` = `item`.`id`
+		WHERE `term`.`uid` = %d AND `term`.`type` = %d
+		AND `term`.`otype` = %d
+		AND $item_condition $sql_options
+		GROUP BY `term` ORDER BY `total` DESC %s",
+		intval($uid),
+		intval($type),
+		intval(TERM_OBJ_POST),
+		((intval($count)) ? "LIMIT $count" : '')
+	);
+	if(!DBM::is_result($r)) {
+		return array();
+	}
+		
+	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::select(
+			"contact",
+			array("url"),
+			array("id" => $uid),
+			array("limit" => 1)
+		);
+		$url = System::removedBaseUrl($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, array(
+			'$title' => t('Tags'),
+			'$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 = array();
+	$min = 1e9;
+	$max = -1e9;
+	$x = 0;
+
+	if (!$arr) {
+		return array();
+	}
+
+	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'] || !$a->profile['url']) {
+		return "";
+	}
+
+	if(feature_enabled($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 "";
+}