public async Task <MessageQueue> GetMessageQueue(string senderUsername, string receiverUsername)
{
var messageQueueKey = keyGenerator.GenerateForMessageQueue(senderUsername, receiverUsername);
var messageQueueJson = await context.Redis.StringGetAsync(messageQueueKey);
if (messageQueueJson.IsNullOrEmpty)
{
return(new MessageQueue(messageQueueKey, senderUsername, receiverUsername, new Queue <string>()));
}
var messageQueue = JsonConvert.DeserializeObject <MessageQueue>(messageQueueJson);
return(messageQueue);
}