post_rating
Change-Id: Ia1a6fb3f87b793a6307046e36951c1fb36b213c8
diff --git a/src/main/java/com/example/g8backend/service/IPostRatingService.java b/src/main/java/com/example/g8backend/service/IPostRatingService.java
new file mode 100644
index 0000000..dc0a4f9
--- /dev/null
+++ b/src/main/java/com/example/g8backend/service/IPostRatingService.java
@@ -0,0 +1,10 @@
+package com.example.g8backend.service;
+
+import com.example.g8backend.dto.ApiResponse;
+
+public interface IPostRatingService {
+ void ratePost(Long userId, Long postId, Integer rating);
+ Double getAverageRating(Long postId);
+
+ Long getRatingUserCount(Long postId);
+}
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