Bidding workflow

executor-pool/src/main/resources/application.properties

@@ -1,3 +1,3 @@
 server.port=8083
 
-mqtt.broker.uri=tcp://localhost:1883
+mqtt.broker.uri=tcp://broker.hivemq.com:1883

tapas-auction-house/src/main/java/ch/unisg/tapas/TapasAuctionHouseApplication.java

@@ -27,7 +27,7 @@ public class TapasAuctionHouseApplication {
     private ConfigProperties config;
 
     public static String RESOURCE_DIRECTORY = "https://api.interactions.ics.unisg.ch/auction-houses/";
-    public static String MQTT_BROKER = "tcp://localhost:1883";
+    public static String MQTT_BROKER = "tcp://broker.hivemq.com:1883";
 
     public static void main(String[] args) {
 		SpringApplication tapasAuctioneerApp = new SpringApplication(TapasAuctionHouseApplication.class);

tapas-auction-house/src/main/java/ch/unisg/tapas/auctionhouse/adapter/common/formats/TaskJsonRepresentation.java

@@ -112,4 +112,13 @@ final public class TaskJsonRepresentation {
 
         return mapper.writeValueAsString(representation);
     }
+
+    public String serialize() throws JsonProcessingException {
+        TaskJsonRepresentation representation = this;
+
+        ObjectMapper mapper = new ObjectMapper();
+        mapper.setSerializationInclusion(JsonInclude.Include.NON_NULL);
+
+        return mapper.writeValueAsString(representation);
+    }
 }

tapas-auction-house/src/main/java/ch/unisg/tapas/auctionhouse/adapter/in/messaging/mqtt/AuctionEventsMqttDispatcher.java

@@ -28,6 +28,7 @@ public class AuctionEventsMqttDispatcher {
     private void initRouter() {
         router.put("ch/unisg/tapas/executors/added", new ExecutorAddedEventListenerMqttAdapter());
         router.put("ch/unisg/tapas/executors/removed", new ExecutorRemovedEventListenerMqttAdapter());
+        router.put("ch/unisg/tapas/auctions", new ExternalAuctionStartedEventListenerMqttAdapter());
     }
 
     /**

tapas-auction-house/src/main/java/ch/unisg/tapas/auctionhouse/adapter/in/messaging/mqtt/ExternalAuctionStartedEventListenerMqttAdapter.java

@@ -0,0 +1,86 @@
+package ch.unisg.tapas.auctionhouse.adapter.in.messaging.mqtt;
+
+import ch.unisg.tapas.auctionhouse.adapter.common.formats.BidJsonRepresentation;
+import ch.unisg.tapas.auctionhouse.adapter.common.formats.TaskJsonRepresentation;
+import ch.unisg.tapas.auctionhouse.application.handler.BidReceivedHandler;
+import ch.unisg.tapas.auctionhouse.application.port.in.BidReceivedEvent;
+import ch.unisg.tapas.auctionhouse.domain.Auction;
+import ch.unisg.tapas.auctionhouse.domain.Bid;
+import ch.unisg.tapas.auctionhouse.domain.ExecutorRegistry;
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+import org.eclipse.paho.client.mqttv3.MqttMessage;
+import org.springframework.beans.factory.annotation.Value;
+
+import java.io.IOException;
+import java.net.URI;
+import java.net.http.HttpClient;
+import java.net.http.HttpRequest;
+import java.net.http.HttpResponse;
+import java.sql.Timestamp;
+
+public class ExternalAuctionStartedEventListenerMqttAdapter extends AuctionEventMqttListener{
+    private static final Logger LOGGER = LogManager.getLogger(ExternalAuctionStartedEventListenerMqttAdapter.class);
+
+    @Value("${auction.house.uri}")
+    String auctionHouseURI;
+
+    @Value("${tasks.list.uri}")
+    String taskListURI;
+
+    @Override
+    public boolean handleEvent(MqttMessage message){
+        String payload = new String(message.getPayload());
+
+        try {
+            // Note: this message representation is provided only as an example. You should use a
+            // representation that makes sense in the context of your application.
+            JsonNode data = new ObjectMapper().readTree(payload);
+
+            String auctionId = data.get("auctionId").asText();
+            String auctionHouseUri = data.get("auctionHouseUri").asText();
+            String taskUri = data.get("taskUri").asText();
+            String taskType = data.get("taskType").asText();
+            String deadline = data.get("deadline").asText();
+
+            var capable = ExecutorRegistry.getInstance().containsTaskType(new Auction.AuctionedTaskType(taskType));
+            // TODO check deadline
+            if(capable){
+                var bid = new Bid(
+                    new Auction.AuctionId(auctionId),
+                    new Bid.BidderName("Group-1"),
+                    new Bid.BidderAuctionHouseUri(URI.create(auctionHouseUri)),
+                    new Bid.BidderTaskListUri(URI.create(taskListURI))
+                );
+
+                String body = BidJsonRepresentation.serialize(bid);
+                LOGGER.info(body);
+                var postURI = URI.create(auctionHouseUri + "/bid");
+                HttpRequest postRequest = HttpRequest.newBuilder()
+                    .uri(postURI)
+                    .header("Content-Type", BidJsonRepresentation.MEDIA_TYPE)
+                    .POST(HttpRequest.BodyPublishers.ofString(body))
+                    .build();
+
+                HttpClient client = HttpClient.newHttpClient();
+                var postResponse = client.send(postRequest, HttpResponse.BodyHandlers.ofString());
+
+                LOGGER.info(postResponse.statusCode());
+            }
+        } catch (JsonProcessingException | NullPointerException e) {
+            LOGGER.error(e.getMessage(), e);
+            return false;
+        } catch (IOException e) {
+            e.printStackTrace();
+        } catch (InterruptedException e) {
+            e.printStackTrace();
+        } catch (Exception e){
+            LOGGER.error(e.getMessage(), e);
+        }
+
+        return true;
+    }
+}

tapas-auction-house/src/main/java/ch/unisg/tapas/auctionhouse/adapter/in/web/WinningBidWebController.java

@@ -0,0 +1,59 @@
+package ch.unisg.tapas.auctionhouse.adapter.in.web;
+
+import ch.unisg.tapas.auctionhouse.adapter.common.formats.AuctionJsonRepresentation;
+import ch.unisg.tapas.auctionhouse.adapter.common.formats.BidJsonRepresentation;
+import ch.unisg.tapas.auctionhouse.adapter.common.formats.TaskJsonRepresentation;
+import ch.unisg.tapas.auctionhouse.adapter.in.messaging.mqtt.ExternalAuctionStartedEventListenerMqttAdapter;
+import ch.unisg.tapas.auctionhouse.domain.Task;
+import com.fasterxml.jackson.core.JsonProcessingException;
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.http.HttpHeaders;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.server.ResponseStatusException;
+
+import java.io.IOException;
+import java.net.URI;
+import java.net.http.HttpClient;
+import java.net.http.HttpRequest;
+import java.net.http.HttpResponse;
+
+@RestController
+public class WinningBidWebController {
+    private static final Logger LOGGER = LogManager.getLogger(WinningBidWebController.class);
+
+    @Value("${tasks.list.uri}")
+    String taskListURI;
+
+    @PostMapping(path = "/taskwinner", consumes = TaskJsonRepresentation.MEDIA_TYPE)
+    public ResponseEntity<String> winningBid(@RequestBody TaskJsonRepresentation payload){
+        try {
+            var body = payload.serialize();
+            LOGGER.info(body);
+            var postURI = URI.create(taskListURI + "/tasks/");
+            HttpRequest postRequest = HttpRequest.newBuilder()
+                .uri(postURI)
+                .header("Content-Type", TaskJsonRepresentation.MEDIA_TYPE)
+                .POST(HttpRequest.BodyPublishers.ofString(body))
+                .build();
+
+            HttpClient client = HttpClient.newHttpClient();
+            var postResponse = client.send(postRequest, HttpResponse.BodyHandlers.ofString());
+
+            LOGGER.info(postResponse.statusCode());
+
+
+            HttpHeaders responseHeaders = new HttpHeaders();
+            return new ResponseEntity<>(responseHeaders, HttpStatus.NO_CONTENT);
+        }
+     catch (
+         IOException | InterruptedException e) {
+        throw new ResponseStatusException(HttpStatus.INTERNAL_SERVER_ERROR, e.getMessage());
+    }
+    }
+}