public List <WordBank> AddWordsToQueue(List <WordBank> words, WikiSession aSession)
{
for (var i = 0; i < words.Count(); i++)
{
var wbId = words[i].WordBankId;
var cached = _dbContext.WikiPages.FirstOrDefault(x => x.WordBankId == wbId);
if (cached != null)
{
continue;
}
var wordBank = _dbContext.WordBanks.FirstOrDefault(x => x.WordBankId == wbId);
var wbq = new WordBankQueue
{
CreatedDate = DateTime.Now,
IsProcessed = false,
WordBankId = wbId,
WordBank = wordBank
};
_dbContext.WordBankQueues.Add(wbq);
_dbContext.SaveChanges();
_dbContext.Entry(wbq).Reload();
wbq = RabbitHelper.Send(wbq, aSession); //Send items to RabbitMQ for processing
words[i] = wbq.WordBank;
words[i].WordBankQueues.Add(wbq);
}
return(words);
}
public static WordBankQueue Send(WordBankQueue queueItem, WikiSession aSession)
{
WordBankQueue aQueueItem = null;
bool processed = false;
var factory = new ConnectionFactory()
{
HostName = "localhost"
};
using (var connection = factory.CreateConnection())
using (var channel = connection.CreateModel())
{
channel.QueueDeclare(queue: "wiki_surf_dev",
durable: false,
exclusive: false,
autoDelete: false,
arguments: null);
var consumer = new EventingBasicConsumer(channel);
var props = channel.CreateBasicProperties();
var correlationId = Guid.NewGuid().ToString();
var replyQueue = channel.QueueDeclare().QueueName;
props.CorrelationId = correlationId;
props.ReplyTo = replyQueue;
consumer.Received += (model, ea) =>
{
var body = ea.Body.ToArray();
var response = Encoding.UTF8.GetString(body);
if (ea.BasicProperties.CorrelationId == correlationId)
{
using (StreamReader sr = new StreamReader(new MemoryStream(body)))
{
aQueueItem = JsonConvert.DeserializeObject <WordBankQueue>(sr.ReadToEnd());
}
Console.WriteLine(response);
processed = true;
}
};
var json = Encoding.UTF8.GetBytes(JsonConvert.SerializeObject(new
{
queueItem.WordBankId,
queueItem.WordBankQueueId,
queueItem.CreatedDate,
queueItem.IsProcessed,
queueItem.ProcessedDate,
queueItem.WordBank.Word,
aSession.WikiSessionId
}));
channel.BasicPublish(exchange: "",
routingKey: "wiki_surf_dev",
basicProperties: props,
body: json);
Console.WriteLine(" [x] Sent WordBankQueueId: {0} Word: {1}", queueItem.WordBankQueueId, queueItem.WordBank.Word);
while (!processed)
{
Thread.Sleep(1000);
var reply = channel.BasicConsume(replyQueue, true, consumer);
}
return(aQueueItem);
}
}
