[feat] : 상호작용 수 감소 로직 예외 처리 추가

dnd-side-project · Aug 16, 2024 · 71f306f · 71f306f
1 parent f164b23
commit 71f306f
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Showing 3 changed files with 8 additions and 1 deletion.
diff --git a/src/main/java/com/dnd/gongmuin/post_interaction/domain/Interaction.java b/src/main/java/com/dnd/gongmuin/post_interaction/domain/Interaction.java
@@ -1,5 +1,7 @@
 package com.dnd.gongmuin.post_interaction.domain;
 
+import java.util.Objects;
+
 import com.dnd.gongmuin.common.entity.TimeBaseEntity;
 import com.dnd.gongmuin.common.exception.runtime.ValidationException;
 import com.dnd.gongmuin.post_interaction.exception.InteractionErrorCode;
@@ -11,7 +13,6 @@
 import jakarta.persistence.GeneratedValue;
 import jakarta.persistence.GenerationType;
 import jakarta.persistence.Id;
-import java.util.Objects;
 import lombok.AccessLevel;
 import lombok.Getter;
 import lombok.NoArgsConstructor;

diff --git a/src/main/java/com/dnd/gongmuin/post_interaction/domain/InteractionCount.java b/src/main/java/com/dnd/gongmuin/post_interaction/domain/InteractionCount.java
@@ -1,6 +1,8 @@
 package com.dnd.gongmuin.post_interaction.domain;
 
 import com.dnd.gongmuin.common.entity.TimeBaseEntity;
+import com.dnd.gongmuin.common.exception.runtime.ValidationException;
+import com.dnd.gongmuin.post_interaction.exception.InteractionErrorCode;
 
 import jakarta.persistence.Column;
 import jakarta.persistence.Entity;
@@ -48,6 +50,9 @@ public int increaseCount() {
 	}
 
 	public int decreaseCount() {
+		if (count == 0) {
+			throw new ValidationException(InteractionErrorCode.UNINTERACTION_NOT_ALLOWED);
+		}
 		return --count;
 	}
 }
diff --git a/src/main/java/com/dnd/gongmuin/post_interaction/exception/InteractionErrorCode.java b/src/main/java/com/dnd/gongmuin/post_interaction/exception/InteractionErrorCode.java
@@ -11,6 +11,7 @@ public enum InteractionErrorCode implements ErrorCode {
 
 	NOT_FOUND_POST_INTERACTION("상호작용 이력이 존재하지 않습니다.", "PI_001"),
 	ALREADY_INTERACTED("이미 해당 작업을 수행했습니다.", "PI_002"),
+	UNINTERACTION_NOT_ALLOWED("상호작용 수가 0이하가 될 수 없습니다.", "PI_003"),
 	INTERACTION_NOT_ALLOWED("본인 게시물은 상호작용할 수 없습니다", "PI_004");
 
 	private final String message;