[WEB-2092] fix: added unique constraints for project, module and states (#5281)

* fix: added unique constraints

* chore: migration indetaton

apiserver/plane/api/serializers/cycle.py

@@ -40,6 +40,7 @@ class CycleSerializer(BaseSerializer):
             "workspace",
             "project",
             "owned_by",
+            "deleted_at",
         ]
 
 

apiserver/plane/api/serializers/module.py

@@ -39,6 +39,7 @@ class ModuleSerializer(BaseSerializer):
             "updated_by",
             "created_at",
             "updated_at",
+            "deleted_at",
         ]
 
     def to_representation(self, instance):

apiserver/plane/api/serializers/project.py

@@ -31,6 +31,7 @@ class ProjectSerializer(BaseSerializer):
             "updated_at",
             "created_by",
             "updated_by",
+            "deleted_at",
         ]
 
     def validate(self, data):

apiserver/plane/api/views/cycle.py

@@ -404,6 +404,10 @@ class CycleAPIEndpoint(BaseAPIView):
         )
         # Delete the cycle
         cycle.delete()
+        # Delete the cycle issues
+        CycleIssue.objects.filter(
+            cycle_id=self.kwargs.get("pk"),
+        ).delete()
         return Response(status=status.HTTP_204_NO_CONTENT)
 
 

apiserver/plane/api/views/module.py

@@ -301,6 +301,10 @@ class ModuleAPIEndpoint(BaseAPIView):
             epoch=int(timezone.now().timestamp()),
         )
         module.delete()
+        # Delete the module issues
+        ModuleIssue.objects.filter(
+            module=pk,
+        ).delete()
         return Response(status=status.HTTP_204_NO_CONTENT)