X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=include%2Ftags.php;h=8d8fb765595ddd9f90f84325c94500db2abd0bc2;hb=5afedb28d4387eef580f7a6602016cc676d8d9e1;hp=6c45a4aee21c4fe63ae07c5660036848892741d4;hpb=4e49939421d39dfa971d8744691568bcdbdca15e;p=friendica.git

diff --git a/include/tags.php b/include/tags.php
index 6c45a4aee2..8d8fb76559 100644
--- a/include/tags.php
+++ b/include/tags.php
@@ -1,15 +1,19 @@
 <?php
-
+/**
+ * @file include/tags.php
+ */
 use Friendica\App;
+use Friendica\Content\Feature;
+use Friendica\Core\System;
+use Friendica\Database\DBM;
+use Friendica\Model\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 (!$messages)
@@ -46,7 +50,7 @@ function create_tags_from_item($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)) {
@@ -149,3 +153,166 @@ 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);
+	$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 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'] || !$a->profile['url']) {
+		return "";
+	}
+
+	if(Feature::isEnabled($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 "";
+}