diff --git a/lhc_web/lib/core/lhchat/lhchatarchive.php b/lhc_web/lib/core/lhchat/lhchatarchive.php
index 7b08ab2c34..6018971e7a 100644
--- a/lhc_web/lib/core/lhchat/lhchatarchive.php
+++ b/lhc_web/lib/core/lhchat/lhchatarchive.php
@@ -18,7 +18,7 @@ public static function fetchChatById($chatId) {
 
             if ($archive instanceof erLhcoreClassModelChatArchiveRange) {
                 $archive->setTables();
-                $chat = erLhcoreClassModelChatArchive::fetch($chatId);
+                $chat = erLhcoreClassModelChatArchive::fetch($chatId,true,true);
                 return array('archive' => $archive, 'chat' => $chat);
             }
         }
diff --git a/lhc_web/lib/core/lhcore/lhdbtrait.php b/lhc_web/lib/core/lhcore/lhdbtrait.php
index 2e5cf7575f..58e98b9b40 100644
--- a/lhc_web/lib/core/lhcore/lhdbtrait.php
+++ b/lhc_web/lib/core/lhcore/lhdbtrait.php
@@ -1,210 +1,236 @@
 <?php
 
-trait erLhcoreClassDBTrait {
-		
-	public function setState( array $properties ) {
-		foreach ( $properties as $key => $val ) {
-			$this->$key = $val;
-		}
-	}
-	
-	public function saveThis() {
-		$this->beforeSave();
-		self::getSession()->saveOrUpdate($this);
-		$this->afterSave();
-		$this->clearCache();
-	}
-	
-	public function saveOrUpdate() {
-		$this->beforeSave();
-		self::getSession()->saveOrUpdate($this);
-		$this->afterSave();
-		$this->clearCache();
-	}
-	
-	public function updateThis() {
-		$this->beforeUpdate();
-		self::getSession()->update($this);	
-		$this->afterUpdate();
-		$this->clearCache();		
-	}
-		
-	public function removeThis() {
-		$this->beforeRemove();				
-		self::getSession()->delete($this);
-		$this->afterRemove();
-		$this->clearCache();
-	}
-
-	public function syncAndLock() {
-	    
-	    $db = ezcDbInstance::get();
-	    
-	    $stmt = $db->prepare('SELECT * FROM ' . self::$dbTable . ' WHERE id = :id FOR UPDATE;');
-	    $stmt->bindValue(':id',$this->id);
-	    $stmt->execute();
-	    
-	    $data = $stmt->fetch(PDO::FETCH_ASSOC);
-	    
-	    $this->setState($data);	
-	}
-		
-	public function beforeSave() {
-	
-	}
-	
-	public function beforeUpdate() {
-	
-	}
-	
-	public function beforeRemove() {
-	
-	}
-	
-	public function afterSave() {
-	
-	}
-	
-	public function afterUpdate() {
-	
-	}
-	
-	public function afterRemove() {
-	
-	}
-
-	public function refreshThis() {
-		self::getSession()->refresh($this);
-	}
-	
-	public function clearCache() {
-		
-		$cache = CSCacheAPC::getMem ();
-		$cache->increaseCacheVersion('site_attributes_version_'.strtolower(__CLASS__));
-		$cache->delete('object_'.strtolower(__CLASS__).'_'.$this->id);
-		
-		if (isset($GLOBALS[__CLASS__.$this->id])) {
-			unset($GLOBALS[__CLASS__.$this->id]);
-		}
-		
-		$this->clearCacheClassLevel();
-		
-	}
-	
-	public function clearCacheClassLevel() {
-		
-	}
-		
-	public function getFields() {
-		 return include 'lib/core/lhabstract/fields/'.strtolower(__CLASS__).'.php';
-	}
-	
-	public static function getSession()	{
-		
-		static $dbHandler = false;
-		
-		$url = './';
-		if (isset(self::$dbSessionHandlerUrl) && self::$dbSessionHandlerUrl != '') {
-		    $url = self::$dbSessionHandlerUrl;
-		} 
-		
-		if ($dbHandler === false) {
-			$dbHandler = call_user_func(self::$dbSessionHandler, $url);
-		}
-		
-		return $dbHandler;
-		
-	}
-	
-	public static function fetch($id, $useCache = true) {
-	
-		if (isset($GLOBALS[__CLASS__.$id]) && $useCache == true) return $GLOBALS[__CLASS__.$id];
-
-		try {
-			$GLOBALS[__CLASS__.$id] = self::getSession()->load( __CLASS__, $id );
-		} catch (Exception $e) {
-			$GLOBALS[__CLASS__.$id] = false;
-		}
-	
-		return $GLOBALS[__CLASS__.$id];
-		
-	}
-	
-	public static function fetchAndLock($id, $useCache = true)
-	{
-	    if (isset($GLOBALS[__CLASS__.$id]) && $useCache == true) return $GLOBALS[__CLASS__.$id];
-	    
-	    try {
-	        $GLOBALS[__CLASS__.$id] = self::getSession()->loadAndLock( __CLASS__, $id );
-	    } catch (Exception $e) {
-	        $GLOBALS[__CLASS__.$id] = false;
-	    }
-	    
-	    return $GLOBALS[__CLASS__.$id];
-	}
-	
-	/**
-	 * Similar to above just uses memcache if available
-	 * */
-	public static function fetchCache($id) {
-		
-		$cache = CSCacheAPC::getMem();
-		$cacheKey = 'object_'.strtolower(__CLASS__).'_'.$id;
-			
-		if (($object = $cache->restore($cacheKey)) === false) {	
-			$object = self::fetch($id,true);
-			$cache->store($cacheKey,$object);			
-		}		
-		
-		return $object;
-		
-	}
-		
-	public static function isOwner($id, $skipChecking = false) {
-		
-		$obj = self::fetch($id);
-	
-		if ($skipChecking == true)
-			return $obj;
-	
-		$currentUser = erLhcoreClassUser::instance();
-		if ($obj->user_id == $currentUser->getUserID())
-			return $obj;
-	
-		return false;
-		
-	}
-	
-	public static function findOne($paramsSearch = array()) {
-				
-		$paramsSearch['limit'] = 1;
-		$list = self::getList($paramsSearch);
-		if (!empty($list)){
-			reset($list);
-			return current($list);
-		}
-			
-		return false;	
-			
-	}
-	
-	public static function getCount($params = array(), $operation = 'COUNT', $field = false, $rawSelect = false, $fetchColumn = true, $fetchAll = false) {
-	
-		if (isset($params['enable_sql_cache']) && $params['enable_sql_cache'] == true) {
-			$sql = erLhcoreClassModuleFunctions::multi_implode(',',$params);
-		
-			$cache = CSCacheAPC::getMem();
-			$cacheKey = isset($params['cache_key']) ? md5($operation.$field.$sql.$params['cache_key']) : md5('objects_count_'.strtolower(__CLASS__).'_v_'.$cache->getCacheVersion('site_attributes_version_'.strtolower(__CLASS__)).$sql.$operation.$field);
-		
-			if (($result = $cache->restore($cacheKey)) !== false)
-			{
-				return $result;
-			}
-		}
-				
-		$session = self::getSession();
-	
-		$q = $session->database->createSelectQuery();
+trait erLhcoreClassDBTrait
+{
+
+    public function setState(array $properties)
+    {
+        foreach ($properties as $key => $val) {
+            $this->$key = $val;
+        }
+    }
+
+    public function saveThis()
+    {
+        $this->beforeSave();
+        self::getSession()->saveOrUpdate($this);
+        $this->afterSave();
+        $this->clearCache();
+    }
+
+    public function saveOrUpdate()
+    {
+        $this->beforeSave();
+        self::getSession()->saveOrUpdate($this);
+        $this->afterSave();
+        $this->clearCache();
+    }
+
+    public function updateThis()
+    {
+        $this->beforeUpdate();
+        self::getSession()->update($this);
+        $this->afterUpdate();
+        $this->clearCache();
+    }
+
+    public function removeThis()
+    {
+        $this->beforeRemove();
+        self::getSession()->delete($this);
+        $this->afterRemove();
+        $this->clearCache();
+    }
+
+    public function syncAndLock()
+    {
+
+        $db = ezcDbInstance::get();
+
+        $stmt = $db->prepare('SELECT * FROM ' . self::$dbTable . ' WHERE id = :id FOR UPDATE;');
+        $stmt->bindValue(':id', $this->id);
+        $stmt->execute();
+
+        $data = $stmt->fetch(PDO::FETCH_ASSOC);
+
+        $this->setState($data);
+    }
+
+    public function beforeSave()
+    {
+
+    }
+
+    public function beforeUpdate()
+    {
+
+    }
+
+    public function beforeRemove()
+    {
+
+    }
+
+    public function afterSave()
+    {
+
+    }
+
+    public function afterUpdate()
+    {
+
+    }
+
+    public function afterRemove()
+    {
+
+    }
+
+    public function refreshThis()
+    {
+        self::getSession()->refresh($this);
+    }
+
+    public function clearCache()
+    {
+
+        $cache = CSCacheAPC::getMem();
+        $cache->increaseCacheVersion('site_attributes_version_' . strtolower(__CLASS__));
+        $cache->delete('object_' . strtolower(__CLASS__) . '_' . $this->id);
+
+        if (isset($GLOBALS[__CLASS__ . $this->id])) {
+            unset($GLOBALS[__CLASS__ . $this->id]);
+        }
+
+        $this->clearCacheClassLevel();
+
+    }
+
+    public function clearCacheClassLevel()
+    {
+
+    }
+
+    public function getFields()
+    {
+        return include 'lib/core/lhabstract/fields/' . strtolower(__CLASS__) . '.php';
+    }
+
+    public static function getSession()
+    {
+
+        static $dbHandler = false;
+
+        $url = './';
+        if (isset(self::$dbSessionHandlerUrl) && self::$dbSessionHandlerUrl != '') {
+            $url = self::$dbSessionHandlerUrl;
+        }
+
+        if ($dbHandler === false) {
+            $dbHandler = call_user_func(self::$dbSessionHandler, $url);
+        }
+
+        return $dbHandler;
+
+    }
+
+    public static function fetch($id, $useCache = true, $throwException = false)
+    {
+
+        if (isset($GLOBALS[__CLASS__ . $id]) && $useCache == true) return $GLOBALS[__CLASS__ . $id];
+
+        if ($throwException == false) {
+            try {
+                $GLOBALS[__CLASS__ . $id] = self::getSession()->load(__CLASS__, $id);
+            } catch (Exception $e) {
+                $GLOBALS[__CLASS__ . $id] = false;
+            }
+        } else {
+            $GLOBALS[__CLASS__ . $id] = self::getSession()->load(__CLASS__, $id);
+        }
+
+        return $GLOBALS[__CLASS__ . $id];
+
+    }
+
+    public static function fetchAndLock($id, $useCache = true)
+    {
+        if (isset($GLOBALS[__CLASS__ . $id]) && $useCache == true) return $GLOBALS[__CLASS__ . $id];
+
+        try {
+            $GLOBALS[__CLASS__ . $id] = self::getSession()->loadAndLock(__CLASS__, $id);
+        } catch (Exception $e) {
+            $GLOBALS[__CLASS__ . $id] = false;
+        }
+
+        return $GLOBALS[__CLASS__ . $id];
+    }
+
+    /**
+     * Similar to above just uses memcache if available
+     * */
+    public static function fetchCache($id)
+    {
+
+        $cache = CSCacheAPC::getMem();
+        $cacheKey = 'object_' . strtolower(__CLASS__) . '_' . $id;
+
+        if (($object = $cache->restore($cacheKey)) === false) {
+            $object = self::fetch($id, true);
+            $cache->store($cacheKey, $object);
+        }
+
+        return $object;
+
+    }
+
+    public static function isOwner($id, $skipChecking = false)
+    {
+
+        $obj = self::fetch($id);
+
+        if ($skipChecking == true)
+            return $obj;
+
+        $currentUser = erLhcoreClassUser::instance();
+        if ($obj->user_id == $currentUser->getUserID())
+            return $obj;
+
+        return false;
+
+    }
+
+    public static function findOne($paramsSearch = array())
+    {
+
+        $paramsSearch['limit'] = 1;
+        $list = self::getList($paramsSearch);
+        if (!empty($list)) {
+            reset($list);
+            return current($list);
+        }
+
+        return false;
+
+    }
+
+    public static function getCount($params = array(), $operation = 'COUNT', $field = false, $rawSelect = false, $fetchColumn = true, $fetchAll = false)
+    {
+
+        if (isset($params['enable_sql_cache']) && $params['enable_sql_cache'] == true) {
+            $sql = erLhcoreClassModuleFunctions::multi_implode(',', $params);
+
+            $cache = CSCacheAPC::getMem();
+            $cacheKey = isset($params['cache_key']) ? md5($operation . $field . $sql . $params['cache_key']) : md5('objects_count_' . strtolower(__CLASS__) . '_v_' . $cache->getCacheVersion('site_attributes_version_' . strtolower(__CLASS__)) . $sql . $operation . $field);
+
+            if (($result = $cache->restore($cacheKey)) !== false) {
+                return $result;
+            }
+        }
+
+        $session = self::getSession();
+
+        $q = $session->database->createSelectQuery();
 
         if ($rawSelect === false) {
             $q->select($operation . "(" . self::$dbTable . "." . ($field === false ? self::$dbTableId : $field) . ")")->from(self::$dbTable);
@@ -212,26 +238,25 @@ public static function getCount($params = array(), $operation = 'COUNT', $field
             $q->select($rawSelect)->from(self::$dbTable);
         }
 
-		$conditions = self::getConditions($params, $q);
-	
-		if (count($conditions) > 0) {
-			$q->where( $conditions );
-		}
+        $conditions = self::getConditions($params, $q);
+
+        if (count($conditions) > 0) {
+            $q->where($conditions);
+        }
 
         if (isset($params['limit']) && $params['limit'] !== false) {
-            $q->limit($params['limit'],(isset($params['offset']) ? $params['offset'] : 0));
+            $q->limit($params['limit'], (isset($params['offset']) ? $params['offset'] : 0));
         }
 
-        if (isset($params['sort']) && $params['sort'] !== false)
-        {
-            $q->orderBy($params['sort'] );
+        if (isset($params['sort']) && $params['sort'] !== false) {
+            $q->orderBy($params['sort']);
         }
 
-		$stmt = $q->prepare();
-	
-		$stmt->execute();
+        $stmt = $q->prepare();
 
-		if ($fetchColumn == true) {
+        $stmt->execute();
+
+        if ($fetchColumn == true) {
             $result = $stmt->fetchColumn();
         } elseif ($fetchAll == true) {
             $result = $stmt->fetchAll(PDO::FETCH_ASSOC);
@@ -239,267 +264,263 @@ public static function getCount($params = array(), $operation = 'COUNT', $field
             $result = $stmt->fetch(PDO::FETCH_ASSOC);
         }
 
-		if (isset($params['enable_sql_cache']) && $params['enable_sql_cache'] == true) {
-			$cache->store($cacheKey,$result);
-		}
-		
-		return $result;
-		
-	}
-					
-	public static function getList($paramsSearch = array()) {
-	
-		$paramsDefault = array('limit' => 500, 'offset' => 0);
-			
-		$params = array_merge($paramsDefault,$paramsSearch);
-		
-		if (isset($params['enable_sql_cache']) && $params['enable_sql_cache'] == true)
-		{
-			$sql = self::multi_implode(',',$params);
-
-			$cache = CSCacheAPC::getMem();
-			$cacheKey = isset($params['cache_key']) ? md5($sql.$params['cache_key']) : md5('objects_list_'.strtolower(__CLASS__).'_v_'.$cache->getCacheVersion('site_attributes_version_'.strtolower(__CLASS__)).$sql);
-
-			if (($result = $cache->restore($cacheKey)) !== false)
-			{
-				return $result;
-			}
-		}
-				
-		$session = self::getSession();
-				
-		$q = $session->createFindQuery( __CLASS__, isset($params['ignore_fields']) ? $params['ignore_fields'] : array() );
-
-		$conditions = self::getConditions($params, $q);
-	
-		if (count($conditions) > 0) {
-			$q->where( $conditions );
-		}
-	
-		if (isset($params['lock']) && $params['lock'] == true)
-		{
-		    $q->doLock();
-		}
-		
-		if ($params['limit'] !== false) {
-			$q->limit($params['limit'],$params['offset']);
-		}
-	
-		if (!isset($params['sort']) || $params['sort'] !== false)
-		{
-			if (isset(self::$dbDefaultSort)){
-				$q->orderBy(isset($params['sort']) ? $params['sort'] : self::$dbDefaultSort );
-			} else {
-				$q->orderBy(isset($params['sort']) ? $params['sort'] : self::$dbTable. "." . self::$dbTableId . " " . self::$dbSortOrder );
-			}
-		}
-		
-		$objects = $session->find( $q );
-			
-		if (isset($params['prefill_attributes'])) {
-			foreach ($params['prefill_attributes'] as $attr => $prefillOptions)
-			{
-				$teamsId = array();
-				foreach ($objects as $object) {
-					$teamsId[] = $object->$prefillOptions['attr_id'];
-				}
-				
-				if (!empty($teamsId)) {
-					$teams = call_user_func($object->$prefillOptions['function'],array('limit' => false, 'sort' => false, 'filterin' => array('id' =>$teamsId)));
-					foreach ($objects as & $object) {
-						if (isset($teams[$object->$prefillOptions['attr_id']])){
-							$object->$prefillOptions['attr_name'] = $teams[$object->$prefillOptions['attr_id']];
-						}
-						
-					}
-				}
-				
-			}
-		}
-		
-		if (isset($params['enable_sql_cache']) && $params['enable_sql_cache'] == true) {
-			if (isset($params['sql_cache_timeout'])) {
-				$cache->store($cacheKey,$objects,$params['sql_cache_timeout']);
-			} else {
-				$cache->store($cacheKey,$objects);
-			}			
-		}
-		
-		return $objects;
-	}
-
-	public static function getConditions($params, $q) {
-	
-	    $conditions = array();
-	
-	    if (isset($params['filter']) && count($params['filter']) > 0) {
-	        foreach ($params['filter'] as $field => $fieldValue) {
-	            $conditions[] = $q->expr->eq($field, $q->bindValue($fieldValue));
-	        }
-	    }
-	
-	    if (isset($params['filterin']) && count($params['filterin']) > 0) {
-	        foreach ($params['filterin'] as $field => $fieldValue) {
-	            if (empty($fieldValue)) {
-	                return 0;
-	                break;
-	            }
-	            $conditions[] = $q->expr->in($field, $fieldValue);
-	        }
-	    }
-	
-	    if (isset($params['filterlt']) && count($params['filterlt']) > 0) {
-	        foreach ($params['filterlt'] as $field => $fieldValue) {
-	            $conditions[] = $q->expr->lt($field, $q->bindValue($fieldValue));
-	        }
-	    }
-	
-	    if (isset($params['filtergt']) && count($params['filtergt']) > 0) {
-	        foreach ($params['filtergt'] as $field => $fieldValue) {
-	            $conditions[] = $q->expr->gt($field, $q->bindValue($fieldValue));
-	        }
-	    }
-	
-	    if (isset($params['filtergte']) && count($params['filtergte']) > 0) {
-	        foreach ($params['filtergte'] as $field => $fieldValue) {
-	            $conditions[] = $q->expr->gte($field, $fieldValue);
-	        }
-	    }
-	
-	    if (isset($params['filterlte']) && count($params['filterlte']) > 0) {
-	        foreach ($params['filterlte'] as $field => $fieldValue) {
-	            $conditions[] = $q->expr->lte($field, $fieldValue);
-	        }
-	    }
-	
-	    if (isset($params['filternot']) && count($params['filternot']) > 0) {
-	        foreach ($params['filternot'] as $field => $fieldValue) {
-	            $conditions[] = $q->expr->neq($field, $q->bindValue($fieldValue));
-	        }
-	    }
-	
-	    if (isset($params['filterall']) && count($params['filterall']) > 0) {
-	        foreach ($params['filterall'] as $field => $fieldValue) {
-	            $conditions[] = $q->expr->allin($field, $fieldValue);
-	        }
-	    }
-	
-	    if (isset($params['filterlike']) && count($params['filterlike']) > 0) {
-	        foreach ($params['filterlike'] as $field => $fieldValue) {
-	            $conditions[] = $q->expr->like($field, $q->bindValue('%' . $fieldValue . '%'));
-	        }
-	    }
-	
-	    if (isset($params['filterlikeright']) && count($params['filterlikeright']) > 0) {
-	        foreach ($params['filterlikeright'] as $field => $fieldValue) {
-	            $conditions[] = $q->expr->like($field, $q->bindValue($fieldValue . '%'));
-	        }
-	    }
-	
-	    if (isset($params['leftjoin']) && count($params['leftjoin']) > 0) {
-	        foreach ($params['leftjoin'] as $table => $joinOn) {
-	            $q->leftJoin($table, $q->expr->eq($joinOn[0], $joinOn[1]));
-	        }
-	    }
-	
-	    if (isset($params['innerjoinsame']) && count($params['innerjoinsame']) > 0) {
-	        foreach ($params['innerjoinsame'] as $table => $joinOn) {
-	            $q->innerJoin($q->alias($table, 't2'), $q->expr->eq($joinOn[0], $joinOn[1]));
-	        }
-	    }
-	
-	    if (isset($params['filterlor']) && count($params['filterlor']) > 0) {
-	        	
-	        $conditionsLor = array();
-	        	
-	        foreach ($params['filterlor'] as $field => $fieldValue) {
-	            foreach ($fieldValue as $fv) {
-	                $conditionsLor[] = $q->expr->eq($field, $q->bindValue($fv));
-	            }
-	        }
-	        	
-	        $conditions[] = $q->expr->lOr($conditionsLor);
-	
-	    }
-	
-	    if (isset($params['filterlorf']) && count($params['filterlorf']) > 0) {
-	        	
-	        $conditionsLor = array();
-	        	
-	        foreach ($params['filterlorf'] as $field => $fieldValue) {
-	            foreach ($fieldValue as $fv) {
-	                $conditionsLor[] = $q->expr->eq($fv, $q->bindValue($field));
-	            }
-	        }
-	        	
-	        $conditions[] = $q->expr->lOr($conditionsLor);
-	
-	    }
-	
-	    if (isset($params['filternotin']) && count($params['filternotin']) > 0) {
-	        	
-	        foreach ($params['filternotin'] as $field => $fieldValue) {
-	            if (! empty($fieldValue)) {
-	                $conditions[] = $q->expr->not($q->expr->in($field, $fieldValue));
-	            }
-	        }
-	
-	    }
-	
-	    if (isset($params['filter_custom']) && count($params['filter_custom']) > 0) {
-	        foreach ($params['filter_custom'] as $fieldValue) {
-	            $conditions[] = $fieldValue;
-	        }
-	    }
-	    
-	    if (isset($params['customfilter']) && count($params['customfilter']) > 0)
-	    {
-	        foreach ($params['customfilter'] as $fieldValue)
-	        {
-	            $conditions[] = $fieldValue;
-	        }
-	    }
-	    
-	    if (isset($params['innerjoin']) && count($params['innerjoin']) > 0) {
-	        foreach ($params['innerjoin'] as $table => $joinOn) {
-	            $q->innerJoin($table, $q->expr->eq($joinOn[0], $joinOn[1]));
-	        }
-	    }
-	    
-	    if(isset($params['group']) && $params['group'] != '') {
-	        $q->groupBy($params['group']);
-	    }
-	    
-	    if (isset($params['having']) && $params['having'] != '') {
-	        $q->having($params['having']);
-	    }
-	    
-	    if (isset($params['use_index'])) {
-	        $q->useIndex( $params['use_index'] );
-	    }
-	    
-	    if (isset($params['select_columns']) && !empty($params['select_columns'])) {
-	        $q->select($params['select_columns']);
-	    }
-	    
-	    return $conditions;
-	}
-	
-	public static function multi_implode($glue, $pieces, $key = null) {
-	
-	    $string = '';
-	
-	    if (is_array($pieces)) {
-	        reset($pieces);
-	        foreach ($pieces as $key => $value) {
-                $string .= $key.'_'.$glue . self::multi_implode($glue, $value, $key);
+        if (isset($params['enable_sql_cache']) && $params['enable_sql_cache'] == true) {
+            $cache->store($cacheKey, $result);
+        }
+
+        return $result;
+
+    }
+
+    public static function getList($paramsSearch = array())
+    {
+
+        $paramsDefault = array('limit' => 500, 'offset' => 0);
+
+        $params = array_merge($paramsDefault, $paramsSearch);
+
+        if (isset($params['enable_sql_cache']) && $params['enable_sql_cache'] == true) {
+            $sql = self::multi_implode(',', $params);
+
+            $cache = CSCacheAPC::getMem();
+            $cacheKey = isset($params['cache_key']) ? md5($sql . $params['cache_key']) : md5('objects_list_' . strtolower(__CLASS__) . '_v_' . $cache->getCacheVersion('site_attributes_version_' . strtolower(__CLASS__)) . $sql);
+
+            if (($result = $cache->restore($cacheKey)) !== false) {
+                return $result;
+            }
+        }
+
+        $session = self::getSession();
+
+        $q = $session->createFindQuery(__CLASS__, isset($params['ignore_fields']) ? $params['ignore_fields'] : array());
+
+        $conditions = self::getConditions($params, $q);
+
+        if (count($conditions) > 0) {
+            $q->where($conditions);
+        }
+
+        if (isset($params['lock']) && $params['lock'] == true) {
+            $q->doLock();
+        }
+
+        if ($params['limit'] !== false) {
+            $q->limit($params['limit'], $params['offset']);
+        }
+
+        if (!isset($params['sort']) || $params['sort'] !== false) {
+            if (isset(self::$dbDefaultSort)) {
+                $q->orderBy(isset($params['sort']) ? $params['sort'] : self::$dbDefaultSort);
+            } else {
+                $q->orderBy(isset($params['sort']) ? $params['sort'] : self::$dbTable . "." . self::$dbTableId . " " . self::$dbSortOrder);
+            }
+        }
+
+        $objects = $session->find($q);
+
+        if (isset($params['prefill_attributes'])) {
+            foreach ($params['prefill_attributes'] as $attr => $prefillOptions) {
+                $teamsId = array();
+                foreach ($objects as $object) {
+                    $teamsId[] = $object->$prefillOptions['attr_id'];
+                }
+
+                if (!empty($teamsId)) {
+                    $teams = call_user_func($object->$prefillOptions['function'], array('limit' => false, 'sort' => false, 'filterin' => array('id' => $teamsId)));
+                    foreach ($objects as & $object) {
+                        if (isset($teams[$object->$prefillOptions['attr_id']])) {
+                            $object->$prefillOptions['attr_name'] = $teams[$object->$prefillOptions['attr_id']];
+                        }
+
+                    }
+                }
+
+            }
+        }
+
+        if (isset($params['enable_sql_cache']) && $params['enable_sql_cache'] == true) {
+            if (isset($params['sql_cache_timeout'])) {
+                $cache->store($cacheKey, $objects, $params['sql_cache_timeout']);
+            } else {
+                $cache->store($cacheKey, $objects);
+            }
+        }
+
+        return $objects;
+    }
+
+    public static function getConditions($params, $q)
+    {
+
+        $conditions = array();
+
+        if (isset($params['filter']) && count($params['filter']) > 0) {
+            foreach ($params['filter'] as $field => $fieldValue) {
+                $conditions[] = $q->expr->eq($field, $q->bindValue($fieldValue));
+            }
+        }
+
+        if (isset($params['filterin']) && count($params['filterin']) > 0) {
+            foreach ($params['filterin'] as $field => $fieldValue) {
+                if (empty($fieldValue)) {
+                    return 0;
+                    break;
+                }
+                $conditions[] = $q->expr->in($field, $fieldValue);
+            }
+        }
+
+        if (isset($params['filterlt']) && count($params['filterlt']) > 0) {
+            foreach ($params['filterlt'] as $field => $fieldValue) {
+                $conditions[] = $q->expr->lt($field, $q->bindValue($fieldValue));
+            }
+        }
+
+        if (isset($params['filtergt']) && count($params['filtergt']) > 0) {
+            foreach ($params['filtergt'] as $field => $fieldValue) {
+                $conditions[] = $q->expr->gt($field, $q->bindValue($fieldValue));
+            }
+        }
+
+        if (isset($params['filtergte']) && count($params['filtergte']) > 0) {
+            foreach ($params['filtergte'] as $field => $fieldValue) {
+                $conditions[] = $q->expr->gte($field, $fieldValue);
+            }
+        }
+
+        if (isset($params['filterlte']) && count($params['filterlte']) > 0) {
+            foreach ($params['filterlte'] as $field => $fieldValue) {
+                $conditions[] = $q->expr->lte($field, $fieldValue);
+            }
+        }
+
+        if (isset($params['filternot']) && count($params['filternot']) > 0) {
+            foreach ($params['filternot'] as $field => $fieldValue) {
+                $conditions[] = $q->expr->neq($field, $q->bindValue($fieldValue));
+            }
+        }
+
+        if (isset($params['filterall']) && count($params['filterall']) > 0) {
+            foreach ($params['filterall'] as $field => $fieldValue) {
+                $conditions[] = $q->expr->allin($field, $fieldValue);
+            }
+        }
+
+        if (isset($params['filterlike']) && count($params['filterlike']) > 0) {
+            foreach ($params['filterlike'] as $field => $fieldValue) {
+                $conditions[] = $q->expr->like($field, $q->bindValue('%' . $fieldValue . '%'));
+            }
+        }
+
+        if (isset($params['filterlikeright']) && count($params['filterlikeright']) > 0) {
+            foreach ($params['filterlikeright'] as $field => $fieldValue) {
+                $conditions[] = $q->expr->like($field, $q->bindValue($fieldValue . '%'));
+            }
+        }
+
+        if (isset($params['leftjoin']) && count($params['leftjoin']) > 0) {
+            foreach ($params['leftjoin'] as $table => $joinOn) {
+                $q->leftJoin($table, $q->expr->eq($joinOn[0], $joinOn[1]));
+            }
+        }
+
+        if (isset($params['innerjoinsame']) && count($params['innerjoinsame']) > 0) {
+            foreach ($params['innerjoinsame'] as $table => $joinOn) {
+                $q->innerJoin($q->alias($table, 't2'), $q->expr->eq($joinOn[0], $joinOn[1]));
             }
-	    } else {
-	        return "{$key}_{$pieces}";
-	    }
-	
-	    return trim($string, $glue);
-	}		
+        }
+
+        if (isset($params['filterlor']) && count($params['filterlor']) > 0) {
+
+            $conditionsLor = array();
+
+            foreach ($params['filterlor'] as $field => $fieldValue) {
+                foreach ($fieldValue as $fv) {
+                    $conditionsLor[] = $q->expr->eq($field, $q->bindValue($fv));
+                }
+            }
+
+            $conditions[] = $q->expr->lOr($conditionsLor);
+
+        }
+
+        if (isset($params['filterlorf']) && count($params['filterlorf']) > 0) {
+
+            $conditionsLor = array();
+
+            foreach ($params['filterlorf'] as $field => $fieldValue) {
+                foreach ($fieldValue as $fv) {
+                    $conditionsLor[] = $q->expr->eq($fv, $q->bindValue($field));
+                }
+            }
+
+            $conditions[] = $q->expr->lOr($conditionsLor);
+
+        }
+
+        if (isset($params['filternotin']) && count($params['filternotin']) > 0) {
+
+            foreach ($params['filternotin'] as $field => $fieldValue) {
+                if (!empty($fieldValue)) {
+                    $conditions[] = $q->expr->not($q->expr->in($field, $fieldValue));
+                }
+            }
+
+        }
+
+        if (isset($params['filter_custom']) && count($params['filter_custom']) > 0) {
+            foreach ($params['filter_custom'] as $fieldValue) {
+                $conditions[] = $fieldValue;
+            }
+        }
+
+        if (isset($params['customfilter']) && count($params['customfilter']) > 0) {
+            foreach ($params['customfilter'] as $fieldValue) {
+                $conditions[] = $fieldValue;
+            }
+        }
+
+        if (isset($params['innerjoin']) && count($params['innerjoin']) > 0) {
+            foreach ($params['innerjoin'] as $table => $joinOn) {
+                $q->innerJoin($table, $q->expr->eq($joinOn[0], $joinOn[1]));
+            }
+        }
+
+        if (isset($params['group']) && $params['group'] != '') {
+            $q->groupBy($params['group']);
+        }
+
+        if (isset($params['having']) && $params['having'] != '') {
+            $q->having($params['having']);
+        }
+
+        if (isset($params['use_index'])) {
+            $q->useIndex($params['use_index']);
+        }
+
+        if (isset($params['select_columns']) && !empty($params['select_columns'])) {
+            $q->select($params['select_columns']);
+        }
+
+        return $conditions;
+    }
+
+    public static function multi_implode($glue, $pieces, $key = null)
+    {
+
+        $string = '';
+
+        if (is_array($pieces)) {
+            reset($pieces);
+            foreach ($pieces as $key => $value) {
+                $string .= $key . '_' . $glue . self::multi_implode($glue, $value, $key);
+            }
+        } else {
+            return "{$key}_{$pieces}";
+        }
+
+        return trim($string, $glue);
+    }
 }
 
 ?>
\ No newline at end of file
diff --git a/lhc_web/modules/lhrestapi/fetchchat.php b/lhc_web/modules/lhrestapi/fetchchat.php
index e9f87d17b1..8310b67b13 100644
--- a/lhc_web/modules/lhrestapi/fetchchat.php
+++ b/lhc_web/modules/lhrestapi/fetchchat.php
@@ -3,19 +3,22 @@
 try {
     erLhcoreClassRestAPIHandler::validateRequest();
 
-    $chat = erLhcoreClassModelChat::fetch((int)$_GET['chat_id']);
+    try {
+        $chat = erLhcoreClassModelChat::fetch((int)$_GET['chat_id'],true,true);
+        $chat->archive = null;
+    } catch (ezcPersistentObjectNotFoundException $e) {
+        try {
+            $chatData = erLhcoreClassChatArcive::fetchChatById((int)$_GET['chat_id']);
+
+            if ($chatData === null) {
+                throw new Exception('Could not find chat by chat_id in archive!');
+            }
 
-    // Try to find chat in archive
-    if (!($chat instanceof erLhcoreClassModelChat)) {
-        $chatData = erLhcoreClassChatArcive::fetchChatById((int)$_GET['chat_id']);
-        if (!($chatData['chat'] instanceof erLhcoreClassModelChatArchive)) {
-            throw new Exception(erTranslationClassLhTranslation::getInstance()->getTranslation('lhrestapi/validation', 'Could not find chat by chat_id!'));
-        } else {
             $chat = $chatData['chat'];
             $chat->archive = $chatData['archive'];
+        } catch (ezcPersistentObjectNotFoundException $e) {
+            throw new Exception(erTranslationClassLhTranslation::getInstance()->getTranslation('lhrestapi/validation', 'Could not find chat by chat_id!'));
         }
-    } else {
-        $chat->archive = null;
     }
 
     if (($chat instanceof erLhcoreClassModelChat || $chat instanceof erLhcoreClassModelChatArchive) && erLhcoreClassRestAPIHandler::hasAccessToRead($chat) == true) {