db-gateway/src/main/java/cryptosky/me/consumers/PriceConsumer.java

package cryptosky.me.consumers;

import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.ObjectMapper;
import cryptosky.me.dlq.DlqInfo;
import cryptosky.me.dlq.DlqService;
import cryptosky.me.exceptions.NoBodyOrStringException;
import cryptosky.me.pricing.models.entities.CryptoPriceModel;
import cryptosky.me.pricing.service.PriceService;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.jms.annotation.JmsListener;
import org.springframework.stereotype.Component;

import javax.jms.JMSException;
import javax.jms.TextMessage;
import java.io.IOException;
import java.util.UUID;
import java.util.concurrent.CountDownLatch;

import static cryptosky.me.ArtemisSyncMessaging.*;

import static cryptosky.me.helpers.Utils.getCorrelationId;
import static java.lang.String.format;

@Component
public class PriceConsumer {

	private final Logger logger = LoggerFactory.getLogger(PriceConsumer.class);
	private final ObjectMapper objectMapper;
	private final PriceService priceService;
	private final DlqService dlqService;
	private final String dlqName;
	private final String dlqGateway;

	private CountDownLatch latch = new CountDownLatch(1);

	@Autowired
	public PriceConsumer(
			ObjectMapper objectMapper,
			PriceService priceService,
			DlqService dlqService,
			@Value("${destinations.pricing.priceDlq}") String dlqName,
			@Value("${destinations.gateway.gatewayDlq}") String dlqGateway
	) {
		this.objectMapper = objectMapper;
		this.priceService = priceService;
		this.dlqService = dlqService;
		this.dlqName = dlqName;
		this.dlqGateway = dlqGateway;
	}

	@JmsListener(destination = "${destinations.pricing.priceSave}")
	public void receive(TextMessage message) throws JMSException {
		String correlationId = getCorrelationId(message);
		String syncId = UUID.randomUUID().toString();

		logger.info("Received Message: " + message.getBody(String.class));

		try {
			if (message.getBody(String.class) == null | message.getBody(String.class).equals("")) {
				throw new NoBodyOrStringException();
			}

			logger.info("Processing message [{}] as synId [{}] ...", correlationId, syncId);

			CryptoPriceModel cryptoPriceModel;

			try {
				JsonNode messageJson = objectMapper.readTree(message.getText());
				cryptoPriceModel = objectMapper.readValue(messageJson.traverse(), CryptoPriceModel.class);

				logger.info("Message with syncId of [{}] is for customer [{}]", syncId, cryptoPriceModel);

				priceService.createRecord(cryptoPriceModel, correlationId, syncId, message);

				latch.countDown();
			} catch (IOException e) {
				logger.info(format(
						"Message [%s] for pricingModel [%s] was not synced due to a readTree exception on getting the text",
						syncId,
						correlationId
				), e);
				latch.countDown();
				throw e;
			}
		} catch (NoBodyOrStringException e) {
			String dlqReason = format("No body or body isn't a String format for incoming %s for price event [%s]",
					CONSUME_PRICE_EVENT, correlationId);

			DlqInfo dlqInfo = new DlqInfo(
					message.getJMSMessageID(),
					dlqName,
					dlqReason,
					"0",
					correlationId
			);
			dlqService.sendToDlq(message, CONSUME_PRICE_EVENT.getMessage(), dlqInfo, e, textMessage -> {
				textMessage.setStringProperty(MESSAGE_SAVE_SYNC_ID.getMessage(), syncId);
				return textMessage;
			});
			latch.countDown();
		} catch (JMSException jmsException) {
			String dlqReason = format("An Exception [%s] has occurred with a JMS action [%s] on [%s]", CONSUME_PRICE_EVENT, jmsException,
					correlationId);

			DlqInfo dlqInfo = new DlqInfo(
					message.getJMSMessageID(),
					dlqGateway,
					dlqReason,
					"0",
					correlationId
			);
			dlqService.sendToDlq(message, CONSUME_PRICE_EVENT.getMessage(), dlqInfo, jmsException, textMessage -> {
				textMessage.setStringProperty(MESSAGE_SAVE_SYNC_ID.getMessage(), syncId);
				return textMessage;
			});
			latch.countDown();
		} catch (Exception e) {
			String dlqReason = format("Couldn't sync incoming %s for price event [%s]", CONSUME_PRICE_EVENT, correlationId);

			DlqInfo dlqInfo = new DlqInfo(
					message.getJMSMessageID(),
					dlqName,
					dlqReason,
					"0",
					correlationId
			);
			dlqService.sendToDlq(message, CONSUME_PRICE_EVENT.getMessage(), dlqInfo, e, textMessage -> {
				textMessage.setStringProperty(MESSAGE_SAVE_SYNC_ID.getMessage(), syncId);
				return textMessage;
			});
			latch.countDown();
		}
	}

}