This commit is contained in:
2021-11-16 19:09:38 +01:00
parent bce3619638
commit 44cc0929bd
27 changed files with 307 additions and 95 deletions

View File

@@ -55,16 +55,15 @@ public class AddNewTaskToTaskListWebController {
(payload.getOriginalTaskUri() == null) ? Optional.empty()
: Optional.of(new Task.OriginalTaskUri(payload.getOriginalTaskUri()));
Optional<Task.InputData> inputData =
(payload.getInputData() == null) ? Optional.empty()
: Optional.of(new Task.InputData(payload.getInputData()));
AddNewTaskToTaskListCommand command = new AddNewTaskToTaskListCommand(taskName, taskType,
originalTaskUriOptional);
originalTaskUriOptional, inputData);
Task createdTask = addNewTaskToTaskListUseCase.addNewTaskToTaskList(command);
// When creating a task, the task's representation may include optional input data
if (payload.getInputData() != null) {
createdTask.setInputData(new Task.InputData(payload.getInputData()));
}
// Add the content type as a response header
HttpHeaders responseHeaders = new HttpHeaders();
responseHeaders.add(HttpHeaders.CONTENT_TYPE, TaskJsonRepresentation.MEDIA_TYPE);

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@@ -8,8 +8,11 @@ import com.fasterxml.jackson.core.JsonProcessingException;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.server.ResponseStatusException;
@@ -23,12 +26,17 @@ public class CompleteTaskWebController {
this.completeTaskUseCase = completeTaskUseCase;
}
@PostMapping(path = "/tasks/completeTask", consumes = {TaskJsonRepresentation.MEDIA_TYPE})
public ResponseEntity<String> completeTask (@RequestBody Task task){
@GetMapping(path = "/tasks/completeTask/{taskId}")
public ResponseEntity<String> completeTask (@PathVariable("taskId") String taskId){
System.out.println("completeTask");
System.out.println(taskId);
String taskResult = "0";
try {
CompleteTaskCommand command = new CompleteTaskCommand(
task.getTaskId(), task.getTaskResult()
new Task.TaskId(taskId), new Task.OutputData(taskResult)
);
Task updateATask = completeTaskUseCase.completeTask(command);

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@@ -0,0 +1,74 @@
package ch.unisg.tapastasks.tasks.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.logging.Level;
import java.util.logging.Logger;
import com.github.fge.jsonpatch.JsonPatch;
import com.github.fge.jsonpatch.JsonPatchOperation;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import org.springframework.context.annotation.Primary;
import org.springframework.stereotype.Component;
import ch.unisg.tapastasks.tasks.adapter.in.formats.TaskJsonPatchRepresentation;
import ch.unisg.tapastasks.tasks.application.port.out.ExternalTaskExecutedEvent;
import ch.unisg.tapastasks.tasks.application.port.out.ExternalTaskExecutedEventHandler;
@Component
@Primary
public class ExternalTaskExecutedWebAdapter implements ExternalTaskExecutedEventHandler {
Logger logger = Logger.getLogger(ExternalTaskExecutedWebAdapter.class.getName());
/**
* Updates an external task which got executed in our system.
**/
@Override
public void handleEvent(ExternalTaskExecutedEvent externalTaskExecutedEvent) {
JSONObject op1;
JSONObject op2;
try {
op1 = new JSONObject()
.put("op", "replace")
.put("path", "/taskStatus")
.put("value", "EXECUTED");
op2 = new JSONObject()
.put("op", "add")
.put("path", "/outputData")
.put("value", "0");
} catch (JSONException e) {
logger.log(Level.SEVERE, e.getLocalizedMessage(), e);
return;
}
String body = new JSONArray().put(op1).put(op2).toString();
HttpClient client = HttpClient.newHttpClient();
HttpRequest request = HttpRequest.newBuilder()
.uri(URI.create(externalTaskExecutedEvent.getOriginalTaskUri().getValue()))
.header("Content-Type", "application/json")
.method("PATCH", HttpRequest.BodyPublishers.ofString(body))
.build();
try {
client.send(request, HttpResponse.BodyHandlers.ofString());
} catch (InterruptedException e) {
logger.log(Level.SEVERE, e.getLocalizedMessage(), e);
Thread.currentThread().interrupt();
} catch (IOException e) {
logger.log(Level.SEVERE, e.getLocalizedMessage(), e);
}
}
}

View File

@@ -29,6 +29,7 @@ public class PublishNewTaskAddedEventWebAdapter implements NewTaskAddedEventPort
var values = new HashMap<String, String>() {{
put("taskID", event.taskId);
put("taskType", event.taskType);
put("inputData", event.inputData);
}};
var objectMapper = new ObjectMapper();

View File

@@ -19,11 +19,19 @@ public class AddNewTaskToTaskListCommand extends SelfValidating<AddNewTaskToTask
@Getter
private final Optional<Task.OriginalTaskUri> originalTaskUri;
public AddNewTaskToTaskListCommand(Task.TaskName taskName, Task.TaskType taskType,
Optional<Task.OriginalTaskUri> originalTaskUri) {
@Getter
private final Optional<Task.InputData> inputData;
public AddNewTaskToTaskListCommand(
Task.TaskName taskName,
Task.TaskType taskType,
Optional<Task.OriginalTaskUri> originalTaskUri,
Optional<Task.InputData> inputData
) {
this.taskName = taskName;
this.taskType = taskType;
this.originalTaskUri = originalTaskUri;
this.inputData = inputData;
this.validateSelf();
}

View File

@@ -1,6 +1,7 @@
package ch.unisg.tapastasks.tasks.application.port.in;
import ch.unisg.tapastasks.common.SelfValidating;
import ch.unisg.tapastasks.tasks.domain.Task.OutputData;
import ch.unisg.tapastasks.tasks.domain.Task.TaskId;
import ch.unisg.tapastasks.tasks.domain.Task.TaskResult;
import lombok.Value;
@@ -13,11 +14,11 @@ public class CompleteTaskCommand extends SelfValidating<CompleteTaskCommand> {
private final TaskId taskId;
@NotNull
private final TaskResult taskResult;
private final OutputData outputData;
public CompleteTaskCommand(TaskId taskId, TaskResult taskResult){
public CompleteTaskCommand(TaskId taskId, OutputData outputData){
this.taskId = taskId;
this.taskResult = taskResult;
this.outputData = outputData;
this.validateSelf();
}
}

View File

@@ -0,0 +1,28 @@
package ch.unisg.tapastasks.tasks.application.port.out;
import javax.validation.constraints.NotNull;
import ch.unisg.tapastasks.common.SelfValidating;
import ch.unisg.tapastasks.tasks.domain.Task;
import lombok.Getter;
import lombok.Value;
@Value
public class ExternalTaskExecutedEvent extends SelfValidating<ExternalTaskExecutedEvent> {
@NotNull
private final Task.TaskId taskId;
@Getter
private final Task.OriginalTaskUri originalTaskUri;
@Getter
private final Task.OutputData outputData;
public ExternalTaskExecutedEvent(Task.TaskId taskId, Task.OriginalTaskUri originalTaskUri, Task.OutputData outputData) {
this.taskId = taskId;
this.originalTaskUri = originalTaskUri;
this.outputData = outputData;
this.validateSelf();
}
}

View File

@@ -0,0 +1,5 @@
package ch.unisg.tapastasks.tasks.application.port.out;
public interface ExternalTaskExecutedEventHandler {
void handleEvent(ExternalTaskExecutedEvent externalTaskExecutedEvent);
}

View File

@@ -22,12 +22,26 @@ public class AddNewTaskToTaskListService implements AddNewTaskToTaskListUseCase
public Task addNewTaskToTaskList(AddNewTaskToTaskListCommand command) {
TaskList taskList = TaskList.getTapasTaskList();
Task newTask = (command.getOriginalTaskUri().isPresent()) ?
// Create a delegated task that points back to the original task
taskList.addNewTaskWithNameAndTypeAndOriginalTaskUri(command.getTaskName(),
command.getTaskType(), command.getOriginalTaskUri().get())
// Create an original task
: taskList.addNewTaskWithNameAndType(command.getTaskName(), command.getTaskType());
Task newTask;
System.out.println("TEST:");
System.out.println(command.getInputData().get());
if (command.getOriginalTaskUri().isPresent() && command.getInputData().isPresent()) {
System.out.println("TEST2:");
newTask = taskList.addNewTaskWithNameAndTypeAndOriginalTaskUriAndInputData(command.getTaskName(),
command.getTaskType(), command.getOriginalTaskUri().get(), command.getInputData().get());
} else if (command.getOriginalTaskUri().isPresent()) {
newTask = taskList.addNewTaskWithNameAndTypeAndOriginalTaskUri(command.getTaskName(),
command.getTaskType(), command.getOriginalTaskUri().get());
} else if (command.getOriginalTaskUri().isPresent()) {
newTask = null;
} else {
newTask = taskList.addNewTaskWithNameAndType(command.getTaskName(), command.getTaskType());
}
System.out.println("TEST");
System.out.println(newTask.getInputData());
//Here we are using the application service to emit the domain event to the outside of the bounded context.
//This event should be considered as a light-weight "integration event" to communicate with other services.
@@ -35,8 +49,13 @@ public class AddNewTaskToTaskListService implements AddNewTaskToTaskListUseCase
//not recommended to emit a domain event via an application service! You should first emit the domain event in
//the core and then the integration event in the application layer.
if (newTask != null) {
NewTaskAddedEvent newTaskAdded = new NewTaskAddedEvent(newTask.getTaskName().getValue(),
taskList.getTaskListName().getValue(), newTask.getTaskId().getValue(), newTask.getTaskType().getValue());
NewTaskAddedEvent newTaskAdded = new NewTaskAddedEvent(
newTask.getTaskName().getValue(),
taskList.getTaskListName().getValue(),
newTask.getTaskId().getValue(),
newTask.getTaskType().getValue(),
newTask.getInputData().getValue()
);
newTaskAddedEventPort.publishNewTaskAddedEvent(newTaskAdded);
}

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@@ -2,10 +2,11 @@ package ch.unisg.tapastasks.tasks.application.service;
import ch.unisg.tapastasks.tasks.application.port.in.CompleteTaskCommand;
import ch.unisg.tapastasks.tasks.application.port.in.CompleteTaskUseCase;
import ch.unisg.tapastasks.tasks.application.port.out.ExternalTaskExecutedEvent;
import ch.unisg.tapastasks.tasks.application.port.out.ExternalTaskExecutedEventHandler;
import ch.unisg.tapastasks.tasks.domain.Task;
import ch.unisg.tapastasks.tasks.domain.Task.*;
import ch.unisg.tapastasks.tasks.domain.TaskList;
import lombok.Getter;
import lombok.RequiredArgsConstructor;
import org.springframework.stereotype.Component;
@@ -17,15 +18,26 @@ import java.util.Optional;
@Transactional
public class CompleteTaskService implements CompleteTaskUseCase {
private final ExternalTaskExecutedEventHandler externalTaskExecutedEventHandler;
@Override
public Task completeTask(CompleteTaskCommand command){
TaskList taskList = TaskList.getTapasTaskList();
Optional<Task> updatedTask = taskList.retrieveTaskById(command.getTaskId());
Task newTask = updatedTask.get();
newTask.taskResult = new TaskResult(command.getTaskResult().getValue());
newTask.taskResult = new TaskResult(command.getOutputData().getValue());
newTask.taskStatus = new TaskStatus(Task.Status.EXECUTED);
if (!newTask.getOriginalTaskUri().getValue().equalsIgnoreCase("")) {
ExternalTaskExecutedEvent event = new ExternalTaskExecutedEvent(
newTask.getTaskId(),
newTask.getOriginalTaskUri(),
newTask.getOutputData()
);
externalTaskExecutedEventHandler.handleEvent(event);
}
return newTask;
}
}

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@@ -6,12 +6,14 @@ public class NewTaskAddedEvent {
public String taskListName;
public String taskId;
public String taskType;
public String inputData;
public NewTaskAddedEvent(String taskName, String taskListName, String taskId, String taskType) {
public NewTaskAddedEvent(String taskName, String taskListName, String taskId, String taskType, String inputData) {
this.taskName = taskName;
this.taskListName = taskListName;
this.taskId = taskId;
this.taskType = taskType;
this.inputData = inputData;
}
}

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@@ -51,6 +51,18 @@ public class Task {
this.outputData = null;
}
public Task(TaskName taskName, TaskType taskType, OriginalTaskUri taskUri, InputData inputData) {
this.taskName = taskName;
this.taskType = taskType;
this.taskStatus = new TaskStatus(Status.OPEN);
this.taskId = new TaskId(UUID.randomUUID().toString());
this.taskResult = new TaskResult("");
this.originalTaskUri = taskUri;
this.inputData = inputData;
this.outputData = null;
}
protected static Task createTaskWithNameAndType(TaskName name, TaskType type) {
//This is a simple debug message to see that the request has reached the right method in the core
System.out.println("New Task: " + name.getValue() + " " + type.getValue());
@@ -62,6 +74,11 @@ public class Task {
return new Task(name, type, originalTaskUri);
}
protected static Task createTaskWithNameAndTypeAndOriginalTaskUriAndInputData(TaskName name, TaskType type,
OriginalTaskUri originalTaskUri, InputData inputData) {
return new Task(name, type, originalTaskUri, inputData);
}
@Value
public static class TaskId {
String value;

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@@ -48,6 +48,15 @@ public class TaskList {
return newTask;
}
public Task addNewTaskWithNameAndTypeAndOriginalTaskUriAndInputData(Task.TaskName name, Task.TaskType type,
Task.OriginalTaskUri originalTaskUri, Task.InputData inputData) {
Task newTask = Task.createTaskWithNameAndTypeAndOriginalTaskUriAndInputData(name, type, originalTaskUri, inputData);
this.addNewTaskToList(newTask);
return newTask;
}
private void addNewTaskToList(Task newTask) {
//Here we would also publish a domain event to other entities in the core interested in this event.
//However, we skip this here as it makes the core even more complex (e.g., we have to implement a light-weight