taskService refactored - Added created and updated date for tasks

pom.xml

@@ -12,7 +12,7 @@
     <artifactId>taskloom-backend</artifactId>
     <version>0.0.1-SNAPSHOT</version>
     <name>taskloom</name>
-    <description>Test-Driven Backend with Spring Boot</description>
+    <description>Less chaos, more completion - a human friendly task tracker</description>
     <url/>
     <licenses>
         <license/>

src/main/java/com/taskloom/config/JpaAuditingConfig.java

@@ -0,0 +1,9 @@
+package com.taskloom.config;
+
+import org.springframework.context.annotation.Configuration;
+import org.springframework.data.jpa.repository.config.EnableJpaAuditing;
+
+@Configuration
+@EnableJpaAuditing
+public class JpaAuditingConfig {
+}

src/main/java/com/taskloom/controller/TaskController.java

@@ -42,7 +42,7 @@ public ResponseEntity<TaskResponse> updateTask(@PathVariable Integer id, @Reques
     @DeleteMapping("/{id}")
     public ResponseEntity<String> deleteTaskById(@PathVariable Integer id) {
         taskService.deleteTaskById(id);
-        return ResponseEntity.status(201).body(id + " was deleted");
+        return ResponseEntity.status(HttpStatus.NO_CONTENT).build();
     }
 
     @PatchMapping("/{id}/status")

src/main/java/com/taskloom/entity/TaskEntity.java

@@ -3,13 +3,19 @@
 import com.taskloom.model.TaskStatus;
 import jakarta.persistence.*;
 import lombok.*;
+import org.springframework.data.annotation.CreatedDate;
+import org.springframework.data.annotation.LastModifiedDate;
+import org.springframework.data.jpa.domain.support.AuditingEntityListener;
+
+import java.time.Instant;
 
 @Getter
 @Setter
 @Entity
 @NoArgsConstructor
 @AllArgsConstructor
 @Builder
+@EntityListeners(AuditingEntityListener.class)
 public class TaskEntity {
     @Id
     @GeneratedValue(strategy = GenerationType.AUTO)
@@ -19,4 +25,12 @@ public class TaskEntity {
 
     @Enumerated(EnumType.STRING)
     private TaskStatus status = TaskStatus.TODO;
+
+    @CreatedDate
+    @Column(nullable = false, updatable = false)
+    private Instant createdAt;
+
+    @LastModifiedDate
+    @Column(nullable = false)
+    private Instant updatedAt;
 }

src/main/java/com/taskloom/model/response/TaskResponse.java

@@ -6,6 +6,8 @@
 import lombok.NoArgsConstructor;
 import lombok.Setter;
 
+import java.time.Instant;
+
 @Getter
 @Setter
 @AllArgsConstructor
@@ -15,4 +17,6 @@ public class TaskResponse {
     private String title;
     private String description;
     private TaskStatus status;
+    private Instant createdAt;
+    private Instant updatedAt;
 }

src/main/java/com/taskloom/service/TaskService.java

@@ -19,6 +19,9 @@
 public class TaskService {
     private final TaskRepository taskRepository;
 
+    private TaskResponse toResponse(TaskEntity e){
+        return new TaskResponse(e.getId(), e.getTitle(), e.getDescription(), e.getStatus(), e.getCreatedAt(), e.getUpdatedAt());
+    }
 
     public List<TaskResponse> findAll() {
         List<TaskEntity> taskEntities = taskRepository.findAll();
@@ -27,46 +30,25 @@ public List<TaskResponse> findAll() {
         }
 
         return taskEntities.stream()
-                .map(taskEntity -> new TaskResponse(
-                        taskEntity.getId(),
-                        taskEntity.getTitle(),
-                        taskEntity.getDescription(),
-                        taskEntity.getStatus()
-                )).toList();
+                .map(this::toResponse)
+                .toList();
     }
 
     public TaskResponse findById(Integer id) {
         TaskEntity taskEntity = taskRepository.findById(id)
                 .orElseThrow(() -> new ResponseStatusException(HttpStatus.NOT_FOUND, "Task not found"));
 
-        return new TaskResponse(
-                taskEntity.getId(),
-                taskEntity.getTitle(),
-                taskEntity.getDescription(),
-                taskEntity.getStatus()
-        );
+        return toResponse(taskEntity);
     }
 
     public TaskResponse createTask(TaskCreateRequest taskCreateRequest) {
         TaskEntity taskEntity = TaskEntity.builder()
                 .title(taskCreateRequest.getTitle())
                 .description(taskCreateRequest.getDescription())
+                .status(taskCreateRequest.getStatus() != null ? taskCreateRequest.getStatus() : TaskStatus.TODO)
                 .build();
 
-        if(taskCreateRequest.getStatus() != null){
-            taskEntity.setStatus(taskCreateRequest.getStatus());
-        }
-        else{
-            taskEntity.setStatus(TaskStatus.TODO);
-        }
-
-        TaskEntity savedTask = taskRepository.save(taskEntity);
-        return new TaskResponse(
-                savedTask.getId(),
-                savedTask.getTitle(),
-                savedTask.getDescription(),
-                savedTask.getStatus()
-        );
+        return toResponse(taskRepository.save(taskEntity));
     }
 
     public TaskResponse updateTask(Integer id, TaskUpdateRequest taskUpdateRequest) {
@@ -75,32 +57,20 @@ public TaskResponse updateTask(Integer id, TaskUpdateRequest taskUpdateRequest)
 
         taskEntity.setTitle(taskUpdateRequest.getTitle());
         taskEntity.setDescription(taskUpdateRequest.getDescription());
-        taskEntity.setStatus(taskUpdateRequest.getStatus());
-        TaskEntity updatedTask = taskRepository.save(taskEntity);
+        taskEntity.setStatus(taskUpdateRequest.getStatus() != null ? taskUpdateRequest.getStatus() : TaskStatus.TODO);
 
-        return new TaskResponse(
-                updatedTask.getId(),
-                updatedTask.getTitle(),
-                updatedTask.getDescription(),
-                updatedTask.getStatus()
-        );
+        return toResponse(taskRepository.save(taskEntity));
     }
 
     public void deleteTaskById(Integer id) {
+        if(!taskRepository.existsById(id)) throw new ResponseStatusException(HttpStatus.NOT_FOUND, "Task not found");
         taskRepository.deleteById(id);
     }
 
     public TaskResponse updateTaskStatusById(Integer id, TaskStatusUpdate status) {
         TaskEntity taskEntity = taskRepository.findById(id)
                 .orElseThrow(() -> new ResponseStatusException(HttpStatus.NOT_FOUND, "Task not found"));
         taskEntity.setStatus(status.getTaskStatus());
-        TaskEntity updatedTask = taskRepository.save(taskEntity);
-
-        return new TaskResponse(
-                updatedTask.getId(),
-                updatedTask.getTitle(),
-                updatedTask.getDescription(),
-                updatedTask.getStatus()
-        );
+        return toResponse(taskRepository.save(taskEntity));
     }
 }

src/main/resources/application.properties

@@ -8,4 +8,8 @@ spring.h2.console.enabled=true
 debug=true
 
 spring.jpa.hibernate.ddl-auto=update
-spring.jpa.show-sql=true
+spring.jpa.show-sql=true
+
+# Hibernate JDBC oturum saat dilimi (DB'ye UTC gönder/DB'den UTC al)
+spring.jpa.properties.hibernate.jdbc.time_zone=UTC
+spring.jackson.time-zone=UTC