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-rw-r--r--src/SemanticScuttle/Service/TagStat.php233
1 files changed, 233 insertions, 0 deletions
diff --git a/src/SemanticScuttle/Service/TagStat.php b/src/SemanticScuttle/Service/TagStat.php
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+++ b/src/SemanticScuttle/Service/TagStat.php
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+<?php
+/**
+ * SemanticScuttle - your social bookmark manager.
+ *
+ * PHP version 5.
+ *
+ * @category Bookmarking
+ * @package SemanticScuttle
+ * @author Benjamin Huynh-Kim-Bang <mensonge@users.sourceforge.net>
+ * @author Christian Weiske <cweiske@cweiske.de>
+ * @author Eric Dane <ericdane@users.sourceforge.net>
+ * @license GPL http://www.gnu.org/licenses/gpl.html
+ * @link http://sourceforge.net/projects/semanticscuttle
+ */
+
+/**
+ * SemanticScuttle tag statistics service.
+ *
+ * @category Bookmarking
+ * @package SemanticScuttle
+ * @author Benjamin Huynh-Kim-Bang <mensonge@users.sourceforge.net>
+ * @author Christian Weiske <cweiske@cweiske.de>
+ * @author Eric Dane <ericdane@users.sourceforge.net>
+ * @license GPL http://www.gnu.org/licenses/gpl.html
+ * @link http://sourceforge.net/projects/semanticscuttle
+ */
+class SemanticScuttle_Service_TagStat extends SemanticScuttle_DbService
+{
+ /**
+ * Returns the single service instance
+ *
+ * @param DB $db Database object
+ *
+ * @return SemanticScuttle_Service
+ */
+ public static function getInstance($db)
+ {
+ static $instance;
+ if (!isset($instance)) {
+ $instance = new self($db);
+ }
+ return $instance;
+ }
+
+ protected function __construct($db)
+ {
+ $this->db = $db;
+ $this->tablename = $GLOBALS['tableprefix'] .'tagsstats';
+ }
+
+ function getNbChildren($tag1, $relationType, $uId) {
+ $tts =SemanticScuttle_Service_Factory::get('Tag2Tag');
+ $query = "SELECT tag1, relationType, uId FROM `". $tts->getTableName() ."`";
+ $query.= " WHERE tag1 = '" .$tag1 ."'";
+ $query.= " AND relationType = '". $relationType ."'";
+ $query.= " AND uId = '".$uId."'";
+
+ $dbres = $this->db->sql_query($query);
+ $rows = $this->db->sql_numrows($dbres);
+ $this->db->sql_freeresult($dbres);
+ return $rows;
+ }
+
+ function getNbDescendants($tag1, $relationType, $uId) {
+ $query = "SELECT nb FROM `". $this->getTableName() ."`";
+ $query.= " WHERE tag1 = '" .$tag1 ."'";
+ $query.= " AND relationType = '". $relationType ."'";
+ $query.= " AND uId = '".$uId."'";
+
+ $dbresults = $this->db->sql_query($query);
+ $row = $this->db->sql_fetchrow($dbresults);
+ $this->db->sql_freeresult($dbresults);
+ if($row['nb'] == null) {
+ return 0;
+ } else {
+ return (int) $row['nb'];
+ }
+ }
+
+ function getMaxDepth($tag1, $relationType, $uId) {
+ $query = "SELECT depth FROM `". $this->getTableName() ."`";
+ $query.= " WHERE tag1 = '" .$tag1 ."'";
+ $query.= " AND relationType = '". $relationType ."'";
+ $query.= " AND uId = '".$uId."'";
+
+ $dbresults = $this->db->sql_query($query);
+ $row = $this->db->sql_fetchrow($dbresults);
+ $this->db->sql_freeresult($dbresults);
+ if($row['depth'] == null) {
+ return 0;
+ } else {
+ return (int) $row['depth'];
+ };
+ }
+
+ function getNbUpdates($tag1, $relationType, $uId) {
+ $query = "SELECT nbupdate FROM `". $this->getTableName() ."`";
+ $query.= " WHERE tag1 = '" .$tag1 ."'";
+ $query.= " AND relationType = '". $relationType ."'";
+ $query.= " AND uId = '".$uId."'";
+
+ $dbresults = $this->db->sql_query($query);
+ $row = $this->db->sql_fetchrow($dbresults);
+ $this->db->sql_freeresult($dbresults);
+ if($row['nbupdate'] == null) {
+ return 0;
+ } else {
+ return (int) $row['nbupdate'];
+ }
+ }
+
+ function existStat($tag1, $relationType, $uId) {
+ $query = "SELECT tag1, relationType, uId FROM `". $this->getTableName() ."`";
+ $query.= " WHERE tag1 = '" .$tag1 ."'";
+ $query.= " AND relationType = '". $relationType ."'";
+ $query.= " AND uId = '".$uId."'";
+
+ $dbres = $this->db->sql_query($query);
+ $rows = $this->db->sql_numrows($dbres);
+ $this->db->sql_freeresult($dbres);
+ return $rows > 0;
+ }
+
+ function createStat($tag1, $relationType, $uId) {
+ $query = "INSERT INTO `". $this->getTableName() ."`";
+ $query.= "(tag1, relationType, uId)";
+ $query.= " VALUES ('".$tag1."','".$relationType."','".$uId."')";
+ $this->db->sql_query($query);
+ }
+
+ function updateStat($tag1, $relationType, $uId=null, $stoplist=array()) {
+ if(in_array($tag1, $stoplist)) {
+ return false;
+ }
+
+ $tts =SemanticScuttle_Service_Factory::get('Tag2Tag');
+ $linkedTags = $tts->getLinkedTags($tag1, $relationType, $uId);
+ $nbDescendants = 0;
+ $maxDepth = 0;
+ foreach($linkedTags as $linkedTag) {
+ $nbDescendants+= 1 + $this->getNbDescendants($linkedTag, $relationType, $uId);
+ $maxDepth = max($maxDepth, 1 + $this->getMaxDepth($linkedTag, $relationType, $uId));
+ }
+ $this->setNbDescendants($tag1, $relationType, $uId, $nbDescendants);
+ $this->setMaxDepth($tag1, $relationType, $uId, $maxDepth);
+ $this->increaseNbUpdate($tag1, $relationType, $uId);
+
+ // propagation to the precedent tags
+ $linkedTags = $tts->getLinkedTags($tag1, $relationType, $uId, true);
+ $stoplist[] = $tag1;
+ foreach($linkedTags as $linkedTag) {
+ $this->updateStat($linkedTag, $relationType, $uId, $stoplist);
+ }
+ }
+
+ function updateAllStat() {
+ $tts =SemanticScuttle_Service_Factory::get('Tag2Tag');
+
+ $query = "SELECT tag1, uId FROM `". $tts->getTableName() ."`";
+ $query.= " WHERE relationType = '>'";
+
+ //die($query);
+
+ if (! ($dbresult = $this->db->sql_query($query)) ){
+ message_die(GENERAL_ERROR, 'Could not update stats', '', __LINE__, __FILE__, $query, $this->db);
+ return false;
+ }
+
+ $rowset = $this->db->sql_fetchrowset($dbresult);
+ foreach($rowset as $row) {
+ $this->updateStat($row['tag1'], '>', $row['uId']);
+ }
+ $this->db->sql_freeresult($dbresult);
+ }
+
+ function setNbDescendants($tag1, $relationType, $uId, $nb) {
+ if(!$this->existStat($tag1, $relationType, $uId)) {
+ $this->createStat($tag1, $relationType, $uId);
+ }
+ $query = "UPDATE `". $this->getTableName() ."`";
+ $query.= " SET nb = ". $nb;
+ $query.= " WHERE tag1 = '" .$tag1 ."'";
+ $query.= " AND relationType = '". $relationType ."'";
+ $query.= " AND uId = '".$uId."'";
+ $this->db->sql_freeresult($this->db->sql_query($query));
+ }
+
+ function setMaxDepth($tag1, $relationType, $uId, $depth) {
+ if(!$this->existStat($tag1, $relationType, $uId)) {
+ $this->createStat($tag1, $relationType, $uId);
+ }
+ $query = "UPDATE `". $this->getTableName() ."`";
+ $query.= " SET depth = ". $depth;
+ $query.= " WHERE tag1 = '" .$tag1 ."'";
+ $query.= " AND relationType = '". $relationType ."'";
+ $query.= " AND uId = '".$uId."'";
+ $this->db->sql_query($query);
+ }
+
+ function increaseNbUpdate($tag1, $relationType, $uId) {
+ if(!$this->existStat($tag1, $relationType, $uId)) {
+ $this->createStat($tag1, $relationType, $uId);
+ }
+ $query = "UPDATE `". $this->getTableName() ."`";
+ $query.= " SET nbupdate = nbupdate + 1";
+ $query.= " WHERE tag1 = '" .$tag1 ."'";
+ $query.= " AND relationType = '". $relationType ."'";
+ $query.= " AND uId = '".$uId."'";
+
+ //die($query);
+
+ $this->db->sql_query($query);
+ }
+
+ function deleteTagStatForUser($uId) {
+ $query = 'DELETE FROM '. $this->getTableName() .' WHERE uId = '. intval($uId);
+
+ if (!($dbresult = $this->db->sql_query($query))) {
+ message_die(GENERAL_ERROR, 'Could not delete tag stats', '', __LINE__,
+ __FILE__, $query, $this->db);
+ return false;
+ }
+
+ return true;
+ }
+
+ function deleteAll() {
+ $query = 'TRUNCATE TABLE `'. $this->getTableName() .'`';
+ $this->db->sql_query($query);
+ }
+
+}
+?>
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-26 05:11:07 +0000