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					@ -3049,6 +3049,57 @@ class MessageManager | 
				
			
			
		
	
		
		
			
				
					
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					        return $userList; | 
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					        return $userList; | 
				
			
			
		
	
		
		
			
				
					
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					    } | 
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					    } | 
				
			
			
		
	
		
		
			
				
					
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					    /** | 
				
			
			
		
	
		
		
			
				
					
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					     * Retrieves a list of users with whom the specified user has exchanged messages within an optional date range. | 
				
			
			
		
	
		
		
			
				
					
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					     * | 
				
			
			
		
	
		
		
			
				
					
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					     * @param   int         $userId The user ID for whom to retrieve message exchange. | 
				
			
			
		
	
		
		
			
				
					
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					     * @param   string|null $startDate Start date to filter the messages (optional). | 
				
			
			
		
	
		
		
			
				
					
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					     * @param   string|null $endDate End date to filter the messages (optional). | 
				
			
			
		
	
		
		
			
				
					
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					     * | 
				
			
			
		
	
		
		
			
				
					
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					     * @return array Array of user information for each user with whom the specified user has exchanged messages. | 
				
			
			
		
	
		
		
			
				
					
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					     */ | 
				
			
			
		
	
		
		
			
				
					
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					    public static function getMessageExchangeWithUser($userId, $startDate = null, $endDate = null) | 
				
			
			
		
	
		
		
			
				
					
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					    { | 
				
			
			
		
	
		
		
			
				
					
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					        $messagesTable = Database::get_main_table(TABLE_MESSAGE); | 
				
			
			
		
	
		
		
			
				
					
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					        $userId = (int) $userId; | 
				
			
			
		
	
		
		
			
				
					
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					        if ($startDate !== null) { | 
				
			
			
		
	
		
		
			
				
					
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					            $startDate = Database::escape_string($startDate); | 
				
			
			
		
	
		
		
			
				
					
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					        } | 
				
			
			
		
	
		
		
			
				
					
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					        if ($endDate !== null) { | 
				
			
			
		
	
		
		
			
				
					
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					            $endDate = Database::escape_string($endDate); | 
				
			
			
		
	
		
		
			
				
					
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					        } | 
				
			
			
		
	
		
		
			
				
					
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					        $sql = "SELECT DISTINCT user_sender_id AS user_id | 
				
			
			
		
	
		
		
			
				
					
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					                 FROM $messagesTable | 
				
			
			
		
	
		
		
			
				
					
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					                 WHERE user_receiver_id = $userId" . | 
				
			
			
		
	
		
		
			
				
					
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					                 ($startDate ? " AND send_date >= '$startDate'" : "") . | 
				
			
			
		
	
		
		
			
				
					
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					                 ($endDate ? " AND send_date <= '$endDate'" : "") . | 
				
			
			
		
	
		
		
			
				
					
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					               " UNION | 
				
			
			
		
	
		
		
			
				
					
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					               SELECT DISTINCT user_receiver_id | 
				
			
			
		
	
		
		
			
				
					
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					                 FROM $messagesTable | 
				
			
			
		
	
		
		
			
				
					
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					                 WHERE user_sender_id = $userId" . | 
				
			
			
		
	
		
		
			
				
					
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					                 ($startDate ? " AND send_date >= '$startDate'" : "") . | 
				
			
			
		
	
		
		
			
				
					
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					                 ($endDate ? " AND send_date <= '$endDate'" : ""); | 
				
			
			
		
	
		
		
			
				
					
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					        $result = Database::query($sql); | 
				
			
			
		
	
		
		
			
				
					
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					        $users = Database::store_result($result); | 
				
			
			
		
	
		
		
			
				
					
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					        $userList = []; | 
				
			
			
		
	
		
		
			
				
					
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					        foreach ($users as $userData) { | 
				
			
			
		
	
		
		
			
				
					
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					            $userId = $userData['user_id']; | 
				
			
			
		
	
		
		
			
				
					
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					            if (empty($userId)) { | 
				
			
			
		
	
		
		
			
				
					
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					                continue; | 
				
			
			
		
	
		
		
			
				
					
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					            } | 
				
			
			
		
	
		
		
			
				
					
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					            $userInfo = api_get_user_info($userId); | 
				
			
			
		
	
		
		
			
				
					
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					            if ($userInfo) { | 
				
			
			
		
	
		
		
			
				
					
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					                $userList[$userId] = $userInfo; | 
				
			
			
		
	
		
		
			
				
					
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					            } | 
				
			
			
		
	
		
		
			
				
					
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					        } | 
				
			
			
		
	
		
		
			
				
					
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					        return $userList; | 
				
			
			
		
	
		
		
			
				
					
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					    } | 
				
			
			
		
	
		
		
			
				
					
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					    /** | 
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					    /** | 
				
			
			
		
	
		
		
			
				
					
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					     * @param int      $userId | 
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					     * @param int      $userId | 
				
			
			
		
	
		
		
			
				
					
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					     * @param int      $otherUserId | 
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					     * @param int      $otherUserId | 
				
			
			
		
	
	
		
		
			
				
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