.deployment/docker-compose.yml

@@ -86,6 +86,7 @@ services:
             - ./:/data/
         environment:
             task.list.uri: http://tapas-tasks:8081
+            auction.house.uri: http://tapas-auction-house:8086
             executor.robot.uri: http://executor-robot:8084
             executor.computation.uri: http://executor-computation:8085
             mqtt.broker.uri: tcp://broker.hivemq.com:1883

executor-base/src/main/java/ch/unisg/executorBase/executor/adapter/out/web/GetAssignmentAdapter.java

@@ -10,6 +10,7 @@ import java.util.logging.Logger;
 
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.context.annotation.Primary;
+import org.springframework.http.HttpStatus;
 import org.springframework.stereotype.Component;
 
 import ch.unisg.common.valueobject.ExecutorURI;
@@ -49,12 +50,13 @@ public class GetAssignmentAdapter implements GetAssignmentPort {
                 .build();
 
         try {
-            logger.info("Sending getAssignment Request");
+            logger.info("ExecutorBase | Sending getAssignment request");
             HttpResponse<String> response = client.send(request, HttpResponse.BodyHandlers.ofString());
-            logger.log(Level.INFO, "getAssignment request result:\n {0}", response.body());
-            if (response.body().equals("")) {
+            if (response.statusCode() != HttpStatus.CREATED.value()) {
+                logger.info("ExecutorBase | No task assigned");
                 return null;
             }
+            logger.info("ExecutorBase | Task assigned");
             JSONObject responseBody = new JSONObject(response.body());
 
             String inputData = responseBody.getString("inputData");

executor-base/src/main/java/ch/unisg/executorBase/executor/domain/ExecutorType.java

@@ -1,7 +1,7 @@
 package ch.unisg.executorbase.executor.domain;
 
 public enum ExecutorType {
-    ADDITION, ROBOT, HUMIDITY;
+    COMPUTATION, ROBOT, HUMIDITY;
 
     /**
     *   Checks if the give executor type exists.

executor-computation/src/main/java/ch/unisg/executorcomputation/executor/domain/Executor.java

@@ -7,7 +7,7 @@ import ch.unisg.executorbase.executor.domain.ExecutorType;
 
 public class Executor extends ExecutorBase {
 
-    private static final Executor executor = new Executor(ExecutorType.ADDITION);
+    private static final Executor executor = new Executor(ExecutorType.COMPUTATION);
 
     public static Executor getExecutor() {
         return executor;

roster/src/main/java/ch/unisg/roster/roster/adapter/in/web/DeleteTaskController.java

@@ -3,6 +3,7 @@ package ch.unisg.roster.roster.adapter.in.web;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.DeleteMapping;
+import org.springframework.web.bind.annotation.PathVariable;
 import org.springframework.web.bind.annotation.RequestBody;
 import org.springframework.web.bind.annotation.RestController;
 
@@ -22,10 +23,10 @@ public class DeleteTaskController {
     *   Controller to delete a task
     *   @return 200 OK, 409 Conflict
     **/
-    @DeleteMapping(path = "/task", consumes = {"application/task+json"})
-    public ResponseEntity<Void> applyForTask(@RequestBody Task task) {
+    @DeleteMapping(path = "/task/{taskId}")
+    public ResponseEntity<Void> deleteTask(@PathVariable("taskId") String taskId) {
 
-        DeleteTaskCommand command = new DeleteTaskCommand(task.getTaskID(), task.getTaskType());
+        DeleteTaskCommand command = new DeleteTaskCommand(taskId);
 
         if (deleteTaskUseCase.deleteTask(command)) {
             return new ResponseEntity<>(HttpStatus.OK);

roster/src/main/java/ch/unisg/roster/roster/adapter/in/web/NewTaskController.java

@@ -31,7 +31,7 @@ public class NewTaskController {
 
             logger.info("New task with id:" + task.getTaskID());
 
-            NewTaskCommand command = new NewTaskCommand(task.getTaskID(), task.getTaskType(),
+            NewTaskCommand command = new NewTaskCommand(task.getTaskID(), task.getTaskUri(), task.getTaskType(),
                 task.getInputData());
 
             boolean success = newTaskUseCase.addNewTaskToQueue(command);

roster/src/main/java/ch/unisg/roster/roster/adapter/out/web/LaunchAuctionEventAdapter.java

@@ -0,0 +1,62 @@
+package ch.unisg.roster.roster.adapter.out.web;
+
+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.util.HashMap;
+
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.ObjectMapper;
+
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.context.annotation.Primary;
+import org.springframework.stereotype.Component;
+
+import ch.unisg.roster.roster.application.port.out.LaunchAuctionEventPort;
+import ch.unisg.roster.roster.domain.event.LaunchAuctionEvent;
+
+@Component
+@Primary
+public class LaunchAuctionEventAdapter implements LaunchAuctionEventPort {
+
+    @Value("${auction.house.uri}")
+    String server;
+
+    @Override
+    public void launchAuctionEvent(LaunchAuctionEvent launchAuctionEvent) {
+
+        var values = new HashMap<String, String>() {{
+
+            put("taskUri", launchAuctionEvent.taskUri);
+            put("taskType", launchAuctionEvent.taskType.getValue());
+
+        }};
+
+        var objectMapper = new ObjectMapper();
+        String requestBody = null;
+        try {
+            requestBody = objectMapper.writeValueAsString(values);
+        } catch (JsonProcessingException e) {
+            e.printStackTrace();
+        }
+
+        HttpClient client = HttpClient.newHttpClient();
+        HttpRequest request = HttpRequest.newBuilder()
+            .uri(URI.create(server+"/auctions/"))
+            .header("Content-Type", "application/task+json")
+            .POST(HttpRequest.BodyPublishers.ofString(requestBody))
+            .build();
+
+        try {
+            HttpResponse<String> response = client.send(request, HttpResponse.BodyHandlers.ofString());
+        } catch (IOException e) {
+            e.printStackTrace();
+        } catch (InterruptedException e) {
+            e.printStackTrace();
+        }
+
+    }
+
+}

roster/src/main/java/ch/unisg/roster/roster/application/port/in/DeleteTaskCommand.java

@@ -13,12 +13,8 @@ public class DeleteTaskCommand extends SelfValidating<ApplyForTaskCommand> {
     @NotNull
     private final String taskId;
 
-    @NotNull
-    private final ExecutorType taskType;
-
-    public DeleteTaskCommand(String taskId, ExecutorType taskType) {
+    public DeleteTaskCommand(String taskId) {
         this.taskId = taskId;
-        this.taskType = taskType;
         this.validateSelf();
     }
 }

roster/src/main/java/ch/unisg/roster/roster/application/port/in/NewTaskCommand.java

@@ -1,5 +1,7 @@
 package ch.unisg.roster.roster.application.port.in;
 
+import java.net.URI;
+
 import javax.validation.constraints.NotNull;
 
 import ch.unisg.roster.roster.domain.valueobject.ExecutorType;
@@ -20,8 +22,12 @@ public class NewTaskCommand extends SelfValidating<NewTaskCommand> {
     @NotNull
     private final String inputData;
 
-    public NewTaskCommand(String taskID, ExecutorType taskType, String inputData) {
+    @NotNull
+    private final String taskUri;
+
+    public NewTaskCommand(String taskID, String taskUri, ExecutorType taskType, String inputData) {
         this.taskID = taskID;
+        this.taskUri = taskUri;
         this.taskType = taskType;
         this.inputData = inputData;
         this.validateSelf();

roster/src/main/java/ch/unisg/roster/roster/application/port/out/LaunchAuctionEventPort.java

@@ -0,0 +1,8 @@
+package ch.unisg.roster.roster.application.port.out;
+
+import ch.unisg.roster.roster.domain.event.LaunchAuctionEvent;
+
+public interface LaunchAuctionEventPort {
+    
+    void launchAuctionEvent(LaunchAuctionEvent launchAuctionEvent);
+}

roster/src/main/java/ch/unisg/roster/roster/application/service/DeleteTaskService.java

@@ -21,7 +21,7 @@ public class DeleteTaskService implements DeleteTaskUseCase {
     @Override
     public boolean deleteTask(DeleteTaskCommand command) {
         Roster roster = Roster.getInstance();
-        return roster.deleteTask(command.getTaskId(), command.getTaskType());
+        return roster.deleteTask(command.getTaskId());
     }
 
 }

roster/src/main/java/ch/unisg/roster/roster/application/service/NewTaskService.java

@@ -6,10 +6,12 @@ import org.springframework.stereotype.Component;
 
 import ch.unisg.roster.roster.application.port.in.NewTaskCommand;
 import ch.unisg.roster.roster.application.port.in.NewTaskUseCase;
+import ch.unisg.roster.roster.application.port.out.LaunchAuctionEventPort;
 import ch.unisg.roster.roster.application.port.out.NewTaskEventPort;
 import ch.unisg.roster.roster.domain.ExecutorRegistry;
 import ch.unisg.roster.roster.domain.Roster;
 import ch.unisg.roster.roster.domain.Task;
+import ch.unisg.roster.roster.domain.event.LaunchAuctionEvent;
 import ch.unisg.roster.roster.domain.event.NewTaskEvent;
 import lombok.RequiredArgsConstructor;
 
@@ -20,6 +22,8 @@ public class NewTaskService implements NewTaskUseCase {
 
     private final NewTaskEventPort newTaskEventPort;
 
+    private final LaunchAuctionEventPort launchAuctionEventPort;
+
     /**
     *   Checks if we can execute the give task, if yes the task gets added to the task queue and return true.
     *   If the task can not be executed by an internal or auction house executor, the method return false.
@@ -31,7 +35,10 @@ public class NewTaskService implements NewTaskUseCase {
         ExecutorRegistry executorRegistry = ExecutorRegistry.getInstance();
 
         if (!executorRegistry.containsTaskType(command.getTaskType())) {
-            return false;
+            LaunchAuctionEvent launchAuctionEvent = new LaunchAuctionEvent( command.getTaskUri(),
+            command.getTaskType());
+            launchAuctionEventPort.launchAuctionEvent(launchAuctionEvent);
+            return true;
         }
 
         Task task = new Task(command.getTaskID(), command.getTaskType(), command.getInputData());

roster/src/main/java/ch/unisg/roster/roster/domain/Roster.java

@@ -76,9 +76,14 @@ public class Roster {
     *   Deletes a task if it is still in the queue.
     *   @return Whether the task got deleted or not
     **/
-    public boolean deleteTask(String taskID, ExecutorType taskType) {
+    public boolean deleteTask(String taskID) {
         logger.log(Level.INFO, "Try to delete task with id {0}", taskID);
-        return queues.get(taskType.getValue()).removeIf(task -> task.getTaskID().equalsIgnoreCase(taskID));
+        for(var listOfTasks : queues.entrySet()){
+            if(listOfTasks.getValue().removeIf(task -> task.getTaskID().equals(taskID))){
+                return true;
+            }
+        }
+        return false;
     }
 
     public void initialiseRoster(List<RosterItem> rosterItemList){

roster/src/main/java/ch/unisg/roster/roster/domain/Task.java

@@ -12,6 +12,9 @@ public class Task {
     @Getter
     private ExecutorType taskType;
 
+    @Getter
+    private String taskUri;
+
     @Getter
     @Setter
     private String inputData;
@@ -40,6 +43,12 @@ public class Task {
         this.inputData = inputData;
     }
 
+    public Task(String taskID, String taskUri, ExecutorType taskType) {
+        this.taskID = taskID;
+        this.taskUri = taskUri;
+        this.taskType = taskType;
+    }
+
     public Task() {}
 
 }

roster/src/main/java/ch/unisg/roster/roster/domain/event/LaunchAuctionEvent.java

@@ -0,0 +1,14 @@
+package ch.unisg.roster.roster.domain.event;
+
+import ch.unisg.roster.roster.domain.valueobject.ExecutorType;
+
+public class LaunchAuctionEvent {
+    public final String taskUri;
+    public final ExecutorType taskType;
+
+    public LaunchAuctionEvent(String taskUri, ExecutorType taskType) {
+        this.taskUri = taskUri;
+        this.taskType = taskType;
+    }
+    
+}

roster/src/main/resources/application.properties

@@ -1,6 +1,7 @@
 server.port=8082
 executor.robot.uri=http://127.0.0.1:8084
 executor.computation.uri=http://127.0.0.1:8085
+auction.house.uri=http://127.0.0.1:8086
 task.list.uri=http://127.0.0.1:8081
 mqtt.broker.uri=tcp://localhost:1883
 

roster/src/test/java/ch/unisg/roster/roster/domain/RosterTest.java

@@ -31,7 +31,7 @@ public class RosterTest {
         assertThat(task.getTaskType().getValue().toString()).isEqualTo("TEST-TYPE");
         assertThat(task.getTaskID()).isEqualTo("TEST-ID");
 
-        boolean empty_queue = roster.deleteTask("TEST-ID", new ExecutorType("TEST-TYPE"));
+        boolean empty_queue = roster.deleteTask("TEST-ID");
         // TODO test that the task was removed from the Queue similar to below --> I don't know if it actually gets deleted or not
         //assertThat(empty_queue).isEqualTo(true);
         //assertThat(queues.size()).isEqualTo(0);
@@ -44,8 +44,8 @@ public class RosterTest {
         queues.clear();
         roster.addTaskToQueue(new Task("TEST-ID", "TEST-TYPE"));
 
-        boolean test = roster.deleteTask("TEST-ID", new ExecutorType("TEST-TYPE"));
-
+        boolean test = roster.deleteTask("TEST-ID");
+        // TODO Fix assert for queue
         assertThat(test).isEqualTo(true);
         assertThat(queues.size()).isEqualTo(1);
     }

tapas-tasks/src/main/java/ch/unisg/tapastasks/tasks/adapter/in/web/DeleteTaskWebController.java

@@ -25,6 +25,7 @@ public class DeleteTaskWebController {
         this.deleteClassUseCase = deleteClassUseCase;
     }
 
+    // TODO change to DELETE and why are we using task URI here?
     @PostMapping(path="/tasks/deleteTask", consumes = {TaskJsonRepresentation.MEDIA_TYPE})
     public ResponseEntity<String> deleteTask (@RequestBody Task task){
         try {
@@ -35,6 +36,7 @@ public class DeleteTaskWebController {
             // Check if the task with the given identifier exists
             if (deleteATask.isEmpty()) {
                 // If not, through a 404 Not Found status code
+                // TODO is 404 the best here?
                 throw new ResponseStatusException(HttpStatus.NOT_FOUND);
             }
 

tapas-tasks/src/main/java/ch/unisg/tapastasks/tasks/adapter/out/web/CanTaskBeDeletedWebAdapter.java

@@ -8,6 +8,7 @@ import com.fasterxml.jackson.databind.ObjectMapper;
 
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.context.annotation.Primary;
+import org.springframework.http.HttpStatus;
 import org.springframework.stereotype.Component;
 
 import java.io.IOException;
@@ -25,36 +26,24 @@ public class CanTaskBeDeletedWebAdapter implements CanTaskBeDeletedPort {
     String server;
 
     @Override
-    public void canTaskBeDeletedEvent(DeleteTaskEvent event){
-
-        var values = new HashMap<> () {{
-            put("taskId", event.taskId);
-            put("taskUri", event.taskUri);
-        }};
-
-        var objectMapper = new ObjectMapper();
-        String requestBody = null;
-        try {
-            requestBody = objectMapper.writeValueAsString(values);
-        } catch (JsonProcessingException e){
-            e.printStackTrace();
-        }
-
+    public boolean canTaskBeDeletedEvent(DeleteTaskEvent event){
         //Todo: Question: How do we include the URI from the DeleteTaskEvent? Do we even need it?
         HttpClient client = HttpClient.newHttpClient();
         HttpRequest request = HttpRequest.newBuilder()
-            .uri(URI.create(server+"task"))
+            .uri(URI.create(server+"$/task/" + event.taskId))
             .header("Content-Type", "application/task+json")
-            .POST(HttpRequest.BodyPublishers.ofString(requestBody))
+            .DELETE()
             .build();
 
-        //Todo: The following parameters probably need to be changed to get the right error code
         try {
             HttpResponse<String> response = client.send(request, HttpResponse.BodyHandlers.ofString());
+            return response.statusCode() == HttpStatus.OK.value();
         } catch (IOException e){
             e.printStackTrace();
         } catch (InterruptedException e) {
             e.printStackTrace();
         }
+
+        return false;
     }
 }

tapas-tasks/src/main/java/ch/unisg/tapastasks/tasks/application/port/out/CanTaskBeDeletedPort.java

@@ -3,5 +3,5 @@ package ch.unisg.tapastasks.tasks.application.port.out;
 import ch.unisg.tapastasks.tasks.domain.DeleteTaskEvent;
 
 public interface CanTaskBeDeletedPort {
-    void canTaskBeDeletedEvent(DeleteTaskEvent event);
+    boolean canTaskBeDeletedEvent(DeleteTaskEvent event);
 }

tapas-tasks/src/main/java/ch/unisg/tapastasks/tasks/application/service/DeleteTaskService.java

@@ -3,6 +3,8 @@ package ch.unisg.tapastasks.tasks.application.service;
 
 import ch.unisg.tapastasks.tasks.application.port.in.DeleteTaskCommand;
 import ch.unisg.tapastasks.tasks.application.port.in.DeleteTaskUseCase;
+import ch.unisg.tapastasks.tasks.application.port.out.CanTaskBeDeletedPort;
+import ch.unisg.tapastasks.tasks.domain.DeleteTaskEvent;
 import ch.unisg.tapastasks.tasks.domain.Task;
 import ch.unisg.tapastasks.tasks.domain.TaskList;
 import jdk.jshell.spi.ExecutionControl;
@@ -17,17 +19,21 @@ import java.util.Optional;
 @Transactional
 public class DeleteTaskService implements DeleteTaskUseCase {
 
+    private final CanTaskBeDeletedPort canTaskBeDeletedPort;
+
     @Override
     public Optional<Task> deleteTask(DeleteTaskCommand command){
 
         TaskList taskList = TaskList.getTapasTaskList();
         Optional<Task> updatedTask = taskList.retrieveTaskById(command.getTaskId());
-        Task newTask = updatedTask.get();
-        // TODO: Fill in the right condition into the if-statement and the else-statement
-        if (true){
-            return taskList.deleteTaskById(command.getTaskId());
+
+        if(updatedTask.isPresent() && updatedTask.get().getTaskStatus().getValue().equals(Task.Status.OPEN)){
+            // If task exists, and it is open then we try deleting it from the roster
+            if(canTaskBeDeletedPort.canTaskBeDeletedEvent(new DeleteTaskEvent(command.getTaskId().getValue(), command.getTaskUri().getValue()))){
+                return taskList.deleteTaskById(command.getTaskId());
+            }
         }
-        // TODO Handle with a return message
+
         return Optional.empty();
     }
 }