feat: 리뷰 조회 및 평가 기능 추가

reviews/views.py

@@ -3,35 +3,47 @@
 from rest_framework import status
 from accounts.models import User
 from restaurants.models import Restaurant
-from .models import Review
-from .serializers import ReviewSerializer, ReplySerializer
+from .models import Review, Recommend
+from .serializers import ReviewSerializer, ReplySerializer, ReviewListSerializer
 
 # from rest_framework.authentication import TokenAuthentication
 # from rest_framework.permissions import IsAuthenticated
 
 
-@api_view(["POST"])
+@api_view(["GET", "POST"])
 # @authentication_classes([TokenAuthentication])
 # @permission_classes([IsAuthenticated])
-def review_write(request, pk):
-    user = User.objects.get(id=21)
+def review(request, pk):
+    """
+    한줄평 더보기 기능 (GET)
+    한줄평 작성 기능 (POST)
+    """
+    if request.method == "GET":
+        # 리뷰 조회 기능
+        reviews = Review.objects.filter(restaurant_id=pk).order_by("-date")
+        serializer = ReviewListSerializer(reviews, many=True)
+        return Response({"results": serializer.data}, status=status.HTTP_200_OK)
 
-    try:
-        restaurant = Restaurant.objects.get(pk=pk)
-    except Restaurant.DoesNotExist:
-        return Response(
-            {"error": "Restaurant not found"}, status=status.HTTP_404_NOT_FOUND
-        )
+    elif request.method == "POST":
+        # 리뷰 작성 기능
+        try:
+            restaurant = Restaurant.objects.get(pk=pk)
+        except Restaurant.DoesNotExist:
+            return Response(
+                {"error": "Restaurant not found"}, status=status.HTTP_404_NOT_FOUND
+            )
 
-    data = request.data
-    data["user"] = user.id
-    data["restaurant"] = restaurant.id
+        user = User.objects.get(id=21)  # 임시 유저 지정, 추후 삭제
 
-    serializer = ReviewSerializer(data=data)
-    if serializer.is_valid():
-        serializer.save(user=user, restaurant=restaurant)
-        return Response(serializer.data, status=status.HTTP_201_CREATED)
-    return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)
+        data = request.data
+        data["user"] = user.id
+        data["restaurant"] = restaurant.id
+
+        serializer = ReviewSerializer(data=data)
+        if serializer.is_valid():
+            serializer.save(user=user, restaurant=restaurant)
+            return Response(serializer.data, status=status.HTTP_201_CREATED)
+        return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)
 
 
 @api_view(["POST"])
@@ -54,3 +66,53 @@ def reply_write(request, pk):
         serializer.save()
         return Response(serializer.data, status=status.HTTP_201_CREATED)
     return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)
+
+
+@api_view(["POST"])
+def evaluate_review(request, restaurant_id, review_id):
+    """
+    한줄평 평가 기능 (좋아요/싫어요)
+    """
+    try:
+        review = Review.objects.get(id=review_id, restaurant_id=restaurant_id)
+        user = User.objects.get(id=21)  # 임시 유저 지정, 추후 삭제
+
+        # 사용자가 이미 평가했는지 확인
+        recommend_entry, created = Recommend.objects.get_or_create(
+            user=user, review=review
+        )
+
+        evaluation = request.data.get("evaluation")
+        if evaluation == "1":
+            # 좋아요
+            if created or recommend_entry.recommend != 1:
+                review.recommend_count += 1
+                if recommend_entry.recommend == 0:  # 이전에 싫어요였던 경우
+                    review.decommend_count -= 1
+                recommend_entry.recommend = 1
+
+        elif evaluation == "0":
+            # 싫어요
+            if created or recommend_entry.recommend != 0:
+                review.decommend_count += 1
+                if recommend_entry.recommend == 1:  # 이전에 좋아요였던 경우
+                    review.recommend_count -= 1
+                recommend_entry.recommend = 0
+
+        else:
+            return Response(
+                {"message": "Invalid evaluation value"},
+                status=status.HTTP_400_BAD_REQUEST,
+            )
+
+        review.save()
+        recommend_entry.save()
+
+        return Response(
+            {"message": "Review evaluated successfully"}, status=status.HTTP_200_OK
+        )
+
+    except Review.DoesNotExist:
+        return Response(
+            {"message": "Review not found"}, status=status.HTTP_404_NOT_FOUND
+        )