feat: now the response DTOs of subject and task expose the "deleted" field

Author: Pacolias

src/main/java/com/redcheck/backend/dto/response/SubjectResponseDTO.java

@@ -14,5 +14,6 @@ public class SubjectResponseDTO {
     private Long id;
     private String name;
     private String description;
+    private boolean deleted;
     private boolean archived;
 }

src/main/java/com/redcheck/backend/dto/response/TaskResponseDTO.java

@@ -19,6 +19,7 @@ public class TaskResponseDTO {
     private LocalDateTime assignedDate;
     private LocalDateTime deadline;
     private LocalDateTime completedDate;
+    private boolean deleted;
     private boolean completed;
     private boolean overdue;
     private Long subjectId;

src/main/java/com/redcheck/backend/service/SubjectService.java

@@ -145,6 +145,7 @@ private SubjectResponseDTO toResponseDTO(Subject subject) {
                 .name(subject.getName())
                 .description(subject.getDescription())
                 .archived(subject.isArchived())
+                .deleted(subject.isDeleted())
                 .build();
     }
 }

src/main/java/com/redcheck/backend/service/TaskService.java

@@ -170,6 +170,7 @@ private TaskResponseDTO toResponseDTO(Task task){
                 .deadline(task.getDeadline())
                 .completedDate(task.getCompletedDate())
                 .completed(task.getCompletedDate() != null)
+                .deleted(task.isDeleted())
                 .overdue(isOverdue)
                 .subjectId(task.getSubject().getId())
                 .build();