feat(activities): /crew/activity/{id} 에 현재 사용자가 제출했는지 여부를 출력하도록 변경

app/apps/activities/dto.py

@@ -25,7 +25,7 @@ class CrewActivityProblemDetailDTO(ProblemDetailDTO):
 @dataclass
 class CrewActivityProblemExtraDetailDTO(CrewActivityProblemDTO):
     submissions: List[SubmissionDTO]
-    my_submission: Optional[SubmissionDTO]
+    has_submitted: bool
 
 
 @dataclass

app/apps/activities/proxy.py

@@ -128,16 +128,11 @@ def as_extra_detail_dto(self, user: User) -> dto.CrewActivityProblemExtraDetailD
         return dto.CrewActivityProblemExtraDetailDTO(
             **self.as_dto().__dict__,
             submissions=self.submissions(),
-            my_submission=self.submission_of_user(user),
+            has_submitted=self.has_submitted(user),
         )
 
     def submissions(self) -> List[SubmissionDTO]:
         return [obj.as_dto() for obj in Submission.objects.problem(self)]
 
-    def submission_of_user(self, user: User) -> Optional[SubmissionDTO]:
-        try:
-            obj = Submission.objects.problem(self).submitted_by(user).latest()
-        except Submission.DoesNotExist:
-            return None
-        else:
-            return obj.as_dto()
+    def has_submitted(self, user: User) -> bool:
+        return Submission.objects.problem(self).submitted_by(user).exists()

app/apps/activities/serializers.py

@@ -22,7 +22,7 @@ class CrewActivityProblemDetailDTOSerializer(ProblemDetailDTOSerializer):
 
 class CrewActivityProblemExtraDetailDTOSerializer(CrewActivityProblemDTOSerializer):
     submissions = SubmissionDTOSerializer(many=True)
-    my_submission = SubmissionDTOSerializer(required=False, default=None)
+    has_submitted = serializers.BooleanField()
 
 
 class CrewActivityDTOSerializer(serializers.Serializer):
@@ -57,7 +57,9 @@ class Meta:
     @property
     def data(self):
         self.instance: proxy.CrewActivity
-        return CrewActivityDetailDTOSerializer(self.instance.as_detail_dto()).data
+        user = self.context['request'].user
+        assert user.is_authenticated
+        return CrewActivityExtraDetailDTOSerializer(self.instance.as_extra_detail_dto(user)).data
 
     def save(self, **kwargs):
         problem_ref_ids = self.validated_data.pop('problem_refs')

app/apps/activities/views.py

@@ -31,7 +31,7 @@ class CrewActivityRetrieveUpdateAPIView(mixins.CrewActivityUrlKwargMixin, generi
     serializer_class = serializers.CrewActivityDAOSerializer
     permission_classes = [permissions.IsCaptain | permissions.IsMemberAndReadOnly]
 
-    @swagger_auto_schema(responses={status.HTTP_201_CREATED: serializers.CrewActivityProblemDetailDTOSerializer})
+    @swagger_auto_schema(responses={status.HTTP_201_CREATED: serializers.CrewActivityExtraDetailDTOSerializer})
     def get(self, request, *args, **kwargs):
         return super().get(request, *args, **kwargs)