[TDC-36] stickerCount 추가 (redis)

threedollar-application/src/main/java/com/threedollar/service/sticker/StickerReactionService.java

@@ -3,6 +3,7 @@
 
 import com.threedollar.domain.reaction.Reaction;
 import com.threedollar.domain.reaction.repository.ReactionRepository;
+import com.threedollar.domain.redis.sticker.repository.StickerCountRepository;
 import com.threedollar.domain.sticker.StickerGroup;
 import com.threedollar.domain.sticker.repository.StickerRepository;
 import com.threedollar.service.sticker.request.AddReactionRequest;
@@ -20,6 +21,8 @@ public class StickerReactionService {
     private final ReactionRepository reactionRepository;
     private final StickerRepository stickerRepository;
 
+    private final StickerCountRepository stickerCountRepository;
+
     @Transactional
     public void upsertSticker(AddReactionRequest request, StickerGroup stickerGroup) {
 

threedollar-core/threedollar-domain/src/main/java/com/threedollar/domain/redis/sticker/StickerCountKey.java

@@ -0,0 +1,51 @@
+package com.threedollar.domain.redis.sticker;
+
+import com.threedollar.common.exception.util.JsonUtils;
+import com.threedollar.domain.redis.StringRedisKey;
+import com.threedollar.domain.sticker.StickerGroup;
+import lombok.Builder;
+import lombok.Getter;
+
+import java.time.Duration;
+
+@Getter
+public class StickerCountKey implements StringRedisKey<StickerCountKey, Long> {
+
+    private static final long DEFAULT_VALUE = 0L;
+
+    private final StickerGroup stickerGroup;
+
+    private final String targetId;
+
+    @Builder
+    public StickerCountKey(StickerGroup stickerGroup, String targetId) {
+        this.stickerGroup = stickerGroup;
+        this.targetId = targetId;
+    }
+
+    @Override
+    public String getKey() {
+        return "stickerGroup : " + stickerGroup + "targetId : " + targetId;
+    }
+
+    @Override
+    public Long deserializeValue(String value) {
+        if (value == null) {
+            return DEFAULT_VALUE;
+        } try {
+            return Long.valueOf(value);
+        } catch (Exception e) {
+            throw new IllegalArgumentException(String.format("역직렬화 중 에러가 발생하였습니다. value: (%s)", value));
+        }
+    }
+
+    @Override
+    public String serializeValue(Long value) {
+        return JsonUtils.toJson(value);
+    }
+
+    @Override
+    public Duration getTtl() {
+        return null;
+    }
+}

threedollar-core/threedollar-domain/src/main/java/com/threedollar/domain/redis/sticker/StickerCountRepositoryImpl.java

@@ -0,0 +1,41 @@
+package com.threedollar.domain.redis.sticker;
+
+import com.threedollar.domain.redis.StringRedisRepository;
+import com.threedollar.domain.redis.sticker.repository.StickerCountRepository;
+import com.threedollar.domain.sticker.StickerGroup;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Repository;
+
+@RequiredArgsConstructor
+@Repository
+public class StickerCountRepositoryImpl implements StickerCountRepository {
+
+    private final StringRedisRepository<StickerCountKey, Long> stickerRedisRepository;
+
+    @Override
+    public void incrByCount(StickerGroup stickerGroup, String targetId) {
+        StickerCountKey key = StickerCountKey.builder()
+                .stickerGroup(stickerGroup)
+                .targetId(targetId)
+                .build();
+        stickerRedisRepository.incr(key);
+    }
+
+    @Override
+    public long getValueByKey(StickerGroup stickerGroup, String targetId) {
+        StickerCountKey key = StickerCountKey.builder()
+                .stickerGroup(stickerGroup)
+                .targetId(targetId)
+                .build();
+        return stickerRedisRepository.get(key);
+    }
+
+    @Override
+    public void decrByCount(StickerGroup stickerGroup, String targetId) {
+        StickerCountKey key = StickerCountKey.builder()
+                .stickerGroup(stickerGroup)
+                .targetId(targetId)
+                .build();
+        stickerRedisRepository.decr(key);
+    }
+}

threedollar-core/threedollar-domain/src/main/java/com/threedollar/domain/redis/sticker/repository/StickerCountRepository.java

@@ -0,0 +1,13 @@
+package com.threedollar.domain.redis.sticker.repository;
+
+import com.threedollar.domain.sticker.StickerGroup;
+
+public interface StickerCountRepository {
+
+    void incrByCount(StickerGroup stickerGroup, String targetId);
+
+    long getValueByKey(StickerGroup stickerGroup, String targetId);
+
+    void decrByCount(StickerGroup stickerGroup, String targetId);
+
+}