✏️ Fix: [#84] 이메일 수집 시 중복 처리 추가

homes/models.py

@@ -3,4 +3,4 @@ from django.db import models
 from common.models.baseModels import BaseModel
 
 class PreOrderedEmail(BaseModel):
-    email = models.EmailField()
+    email = models.EmailField(unique=True)

homes/views.py

@@ -67,7 +67,7 @@ class PreOrderedAPIViewSet(viewsets.ViewSet):
         if serializer.is_valid():
             serializer.save()
             return Response({"registered": True}, status=status.HTTP_200_OK)
-        return Response({"registered": False}, status=status.HTTP_400_BAD_REQUEST)
+        return Response({"registered": False, "message": "wrong type or already registered"}, status=status.HTTP_400_BAD_REQUEST)
     
     @transaction.atomic
     @action(detail=False, methods=["post"], url_path="send", permission_classes=[IsAdminUser])