fix: リアクション受信時の重複検査を修正

src/main/kotlin/dev/usbharu/hideout/core/domain/model/reaction/ReactionRepository.kt

@@ -1,5 +1,6 @@
 package dev.usbharu.hideout.core.domain.model.reaction
 
+import dev.usbharu.hideout.core.domain.model.emoji.Emoji
 import org.springframework.stereotype.Repository
 
 @Repository
@@ -13,5 +14,7 @@ interface ReactionRepository {
     suspend fun findByPostId(postId: Long): List<Reaction>
     suspend fun findByPostIdAndActorIdAndEmojiId(postId: Long, actorId: Long, emojiId: Long): Reaction?
     suspend fun existByPostIdAndActorIdAndEmojiId(postId: Long, actorId: Long, emojiId: Long): Boolean
+    suspend fun existByPostIdAndActorIdAndUnicodeEmoji(postId: Long, actorId: Long, unicodeEmoji: String): Boolean
+    suspend fun existByPostIdAndActorIdAndEmoji(postId: Long, actorId: Long, emoji: Emoji): Boolean
     suspend fun findByPostIdAndActorId(postId: Long, actorId: Long): List<Reaction>
 }

src/main/kotlin/dev/usbharu/hideout/core/infrastructure/exposedrepository/ReactionRepositoryImpl.kt

@@ -2,6 +2,7 @@ package dev.usbharu.hideout.core.infrastructure.exposedrepository
 
 import dev.usbharu.hideout.application.service.id.IdGenerateService
 import dev.usbharu.hideout.core.domain.model.emoji.CustomEmoji
+import dev.usbharu.hideout.core.domain.model.emoji.Emoji
 import dev.usbharu.hideout.core.domain.model.emoji.UnicodeEmoji
 import dev.usbharu.hideout.core.domain.model.reaction.Reaction
 import dev.usbharu.hideout.core.domain.model.reaction.ReactionRepository
@@ -103,6 +104,37 @@ class ReactionRepositoryImpl(
             }.empty().not()
         }
 
+    override suspend fun existByPostIdAndActorIdAndUnicodeEmoji(
+        postId: Long,
+        actorId: Long,
+        unicodeEmoji: String
+    ): Boolean = query {
+        return@query Reactions.select {
+            Reactions.postId
+                .eq(postId)
+                .and(Reactions.actorId.eq(actorId))
+                .and(Reactions.unicodeEmoji.eq(unicodeEmoji))
+        }.empty().not()
+    }
+
+    override suspend fun existByPostIdAndActorIdAndEmoji(postId: Long, actorId: Long, emoji: Emoji): Boolean = query {
+        val query = Reactions.select {
+            Reactions.postId
+                .eq(postId)
+                .and(Reactions.actorId.eq(actorId))
+        }
+
+
+        if (emoji is UnicodeEmoji) {
+            query.andWhere { Reactions.unicodeEmoji eq emoji.name }
+        } else {
+            emoji as CustomEmoji
+            query.andWhere { Reactions.customEmojiId eq emoji.id }
+        }
+
+        return@query query.empty().not()
+    }
+
     override suspend fun findByPostIdAndActorId(postId: Long, actorId: Long): List<Reaction> = query {
         return@query Reactions.leftJoin(CustomEmojis)
             .select { Reactions.postId eq postId and (Reactions.actorId eq actorId) }

src/main/kotlin/dev/usbharu/hideout/core/service/reaction/ReactionServiceImpl.kt

@@ -19,7 +19,7 @@ class ReactionServiceImpl(
         actorId: Long,
         postId: Long
     ) {
-        if (reactionRepository.existByPostIdAndActorIdAndEmojiId(postId, actorId, 0).not()) {
+        if (reactionRepository.existByPostIdAndActorIdAndEmoji(postId, actorId, emoji).not()) {
             try {
                 reactionRepository.save(
                     Reaction(reactionRepository.generateId(), emoji, postId, actorId)