public async Task <IHttpActionResult> FindMessagesAsync(FindMessagesBindingModel model)
        {
            var allMessages = await _messagesRepository.GetAllMessagesAsync();

            var result = allMessages.OrderByDescending(x => x.SentOn).Skip(model.PageNumber * 10 - 10).Take(10).Select(x => new MessageReadModel
            {
                Id             = x.Id,
                Subject        = x.Subject,
                Content        = x.Content,
                SentOn         = x.SentOn.ToString("dd.MM.yyyy"),
                RecipientNames = x.MessageRecipients.Select(y => y.Recipient.UserName).ToList()
            });

            return(Ok(result));
        }