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<?php
/**
* Kunena Component
* @package Kunena.Framework
* @subpackage Forum.Message.Thankyou
*
* @copyright (C) 2008 - 2014 Kunena Team. All rights reserved.
* @license http://www.gnu.org/copyleft/gpl.html GNU/GPL
* @link http://www.kunena.org
**/
defined ( '_JEXEC' ) or die ();
/**
* Kunena Forum Message Thank You Helper Class
* @since 2.0
*/
abstract class KunenaForumMessageThankyouHelper {
/**
* @var KunenaForumMessageThankyou[]
*/
protected static $_instances = array();
/**
* @param int $identifier The message to load - Can be only an integer.
* @param bool $reload
*
* @return KunenaForumMessageThankyou
*/
static public function get($identifier, $reload = false) {
if ($identifier instanceof KunenaForumMessageThankyou) {
return $identifier;
}
$id = intval ( $identifier );
// TODO: why this returns null? Does it have side effect?
if ($id < 1)
return;
if ($reload || empty ( self::$_instances [$id] )) {
unset(self::$_instances [$id]);
self::loadMessages ( array($id) );
}
return self::$_instances [$id];
}
/**
* Get total number of Thank yous.
*
* @param int $starttime Starting time as unix timestamp.
* @param int $endtime Ending time as unix timestamp.
*
* @return int
*/
static public function getTotal($starttime = null, $endtime = null) {
$db = JFactory::getDBO();
$where = array ();
if (! empty ( $starttime ))
$where [] = "time >= UNIX_TIMESTAMP({$db->quote(intval($starttime))})";
if (! empty ( $endtime ))
$where [] = "time <= UNIX_TIMESTAMP({$db->quote(intval($endtime))})";
$query = "SELECT COUNT(*) FROM #__kunena_thankyou";
if (! empty ( $where ))
$query .= " WHERE " . implode ( " AND ", $where );
$db->setQuery ( $query );
$results = (int) $db->loadResult ();
KunenaError::checkDatabaseError();
return $results;
}
/**
* Get users with most thank yous received / given.
*
* @param bool $target
* @param int $limitstart
* @param int $limit
*
* @return array
*/
static public function getTopUsers($target=true, $limitstart=0, $limit=10) {
$field = 'targetuserid';
if (!$target)
$field = 'userid';
$db = JFactory::getDBO();
$query = "SELECT s.userid, count(s.{$field}) AS countid, u.username
FROM #__kunena_thankyou AS s
INNER JOIN #__users AS u
WHERE s.{$field}=u.id
GROUP BY s.{$field}
ORDER BY countid DESC";
$db->setQuery ( $query, (int) $limitstart, (int) $limit );
$results = (array) $db->loadObjectList ();
KunenaError::checkDatabaseError();
return $results;
}
/**
* Get messages with most thank yous given.
*
* @param int $limitstart
* @param int $limit
*
* @return array
*/
static public function getTopMessages($limitstart=0, $limit=10) {
$db = JFactory::getDBO();
$categories = KunenaForumCategoryHelper::getCategories();
$catlist = implode(',', array_keys($categories));
$query = "SELECT s.postid, COUNT(*) AS countid, m.catid, m.thread, m.id, m.subject
FROM #__kunena_thankyou AS s
INNER JOIN #__kunena_messages AS m ON s.postid=m.id
INNER JOIN #__kunena_topics AS tt ON m.thread=tt.id
WHERE m.catid IN ({$catlist}) AND m.hold=0 AND tt.hold=0
GROUP BY s.postid
ORDER BY countid DESC";
$db->setQuery ( $query, (int) $limitstart, (int) $limit );
$results = (array) $db->loadObjectList ();
KunenaError::checkDatabaseError();
return $results;
}
/**
* Get messages where a user received / gave thank you.
*
* @param int $userid
* @param bool $target
* @param int $limitstart
* @param int $limit
*
* @return array
*/
static public function getUserMessages($userid, $target=true, $limitstart=0, $limit=10) {
$db = JFactory::getDBO();
$field = 'targetuserid';
if (!$target)
$field = 'userid';
$categories = KunenaForumCategoryHelper::getCategories();
$catlist = implode(',', array_keys($categories));
$query = "SELECT m.catid, m.thread, m.id
FROM #__kunena_thankyou AS t
INNER JOIN #__kunena_messages AS m ON m.id=t.postid
INNER JOIN #__kunena_topics AS tt ON m.thread=tt.id
WHERE m.catid IN ({$catlist}) AND m.hold=0 AND tt.hold=0 AND t.{$field}={$db->quote(intval($userid))}";
$db->setQuery ( $query, (int) $limitstart, (int) $limit );
$results = (array) $db->loadObjectList ();
KunenaError::checkDatabaseError();
return $results;
}
/**
* Load users who have given thank you to listed messages.
*
* @param array $ids
*/
static protected function loadMessages(array $ids) {
foreach ($ids as $i=>$id) {
$id = intval($id);
if (!$id || isset(self::$_instances [$id]))
unset($ids[$i]);
}
if (empty($ids))
return;
$idlist = implode(',', $ids);
$db = JFactory::getDBO ();
$query = "SELECT *
FROM #__kunena_thankyou
WHERE postid IN ({$idlist})";
$db->setQuery ( $query );
$results = (array) $db->loadObjectList ();
KunenaError::checkDatabaseError();
foreach ( $ids as $id ) {
self::$_instances [$id] = new KunenaForumMessageThankyou ($id);
}
foreach ( $results as $result ) {
self::$_instances [$result->postid]->_add($result->userid, $result->time);
}
unset ($results);
}
/**
* Recount thank yous.
*
* @return bool|int Number of rows is successful, false on error.
*/
static public function recount() {
$db = JFactory::getDBO ();
// Users who have no thank yous, set thankyou count to 0
$query ="UPDATE #__kunena_users AS u
LEFT JOIN #__kunena_thankyou AS t ON t.targetuserid = u.userid
SET u.thankyou = 0
WHERE t.targetuserid IS NULL";
$db->setQuery($query);
$db->query ();
if (KunenaError::checkDatabaseError ())
return false;
$rows = $db->getAffectedRows ();
// Update user thankyou count
$query = "INSERT INTO #__kunena_users (userid, thankyou)
SELECT targetuserid AS userid, COUNT(*) AS thankyou
FROM #__kunena_thankyou
GROUP BY targetuserid
ON DUPLICATE KEY UPDATE thankyou=VALUES(thankyou)";
$db->setQuery ($query);
$db->query ();
if (KunenaError::checkDatabaseError ())
return false;
$rows += $db->getAffectedRows ();
return $rows;
}
/**
* Return thank yous for the given messages.
*
* @param bool|array|int $ids
*
* @return KunenaForumMessageThankyou[]
*/
static public function getByMessage($ids = false) {
if ($ids === false) {
return self::$_instances;
} elseif ( is_array($ids) ) {
$ids2 = array();
foreach ($ids as $id) {
if ($id instanceof KunenaForumMessage) $id = $id->id;
$ids2[(int)$id] = (int)$id;
}
$ids = $ids2;
} else {
$ids = array($ids);
}
self::loadMessages ( $ids );
$list = array();
foreach($ids as $id) {
if ( !empty(self::$_instances [$id]) ) {
$list[$id] =self::$_instances [$id];
}
}
return $list;
}
}