feat: Post詳細ページでリアクションを表示できるように

hideout-core/src/main/kotlin/dev/usbharu/hideout/core/application/model/Reactions.kt

@@ -0,0 +1,28 @@
+package dev.usbharu.hideout.core.application.model
+
+import dev.usbharu.hideout.core.domain.model.emoji.CustomEmoji
+import dev.usbharu.hideout.core.domain.model.reaction.Reaction
+import java.net.URI
+
+data class Reactions(
+    val postId: Long,
+    val count: Int,
+    val name: String,
+    val domain: String,
+    val url: URI?,
+    val actorIds: List<Long>,
+) {
+    companion object {
+        fun of(reactionList: List<Reaction>, customEmoji: CustomEmoji?): Reactions {
+            val first = reactionList.first()
+            return Reactions(
+                first.id.value,
+                reactionList.size,
+                customEmoji?.name ?: first.unicodeEmoji.name,
+                customEmoji?.domain?.domain ?: first.unicodeEmoji.domain.domain,
+                customEmoji?.url,
+                reactionList.map { it.actorId.id }
+            )
+        }
+    }
+}

hideout-core/src/main/kotlin/dev/usbharu/hideout/core/application/post/GetPostDetailApplicationService.kt

@@ -11,6 +11,7 @@ import dev.usbharu.hideout.core.domain.model.post.PostId
 import dev.usbharu.hideout.core.domain.model.post.PostRepository
 import dev.usbharu.hideout.core.domain.model.support.principal.Principal
 import dev.usbharu.hideout.core.domain.service.post.IPostReadAccessControl
+import dev.usbharu.hideout.core.query.reactions.ReactionsQueryService
 import org.slf4j.LoggerFactory
 import org.springframework.stereotype.Service
 
@@ -20,7 +21,8 @@ class GetPostDetailApplicationService(
     private val postRepository: PostRepository,
     private val actorRepository: ActorRepository,
     private val mediaRepository: MediaRepository,
-    private val iPostReadAccessControl: IPostReadAccessControl
+    private val iPostReadAccessControl: IPostReadAccessControl,
+    private val reactionsQueryService: ReactionsQueryService,
 ) : AbstractApplicationService<GetPostDetail, PostDetail>(
     transaction,
     logger
@@ -38,6 +40,8 @@ class GetPostDetailApplicationService(
 
         val mediaList = mediaRepository.findByIds(post.mediaIds)
 
+        val reactions = reactionsQueryService.findAllByPostId(post.id)
+
         return PostDetail.of(
             post = post,
             actor = actor,
@@ -46,6 +50,7 @@ class GetPostDetailApplicationService(
             reply = post.replyId?.let { fetchChild(it, actor, iconMedia, principal) },
             repost = post.repostId?.let { fetchChild(it, actor, iconMedia, principal) },
             moveTo = post.moveTo?.let { fetchChild(it, actor, iconMedia, principal) },
+            reactionsList = reactions
         )
     }
 
@@ -69,10 +74,11 @@ class GetPostDetailApplicationService(
 
         val mediaList = mediaRepository.findByIds(post.mediaIds)
         return PostDetail.of(
-            post,
+            post = post,
-            first,
+            actor = first,
-            third,
+            iconMedia = third,
-            mediaList
+            mediaList = mediaList,
+            reactionsList = emptyList()
         )
     }
 

hideout-core/src/main/kotlin/dev/usbharu/hideout/core/application/post/PostDetail.kt

@@ -1,5 +1,6 @@
 package dev.usbharu.hideout.core.application.post
 
+import dev.usbharu.hideout.core.application.model.Reactions
 import dev.usbharu.hideout.core.domain.model.actor.Actor
 import dev.usbharu.hideout.core.domain.model.media.Media
 import dev.usbharu.hideout.core.domain.model.post.Post
@@ -23,7 +24,8 @@ data class PostDetail(
     val sensitive: Boolean,
     val deleted: Boolean,
     val mediaDetailList: List<MediaDetail>,
-    val moveTo: PostDetail?
+    val moveTo: PostDetail?,
+    val reactionsList: List<Reactions>
 ) {
     companion object {
         @Suppress("LongParameterList")
@@ -35,6 +37,7 @@ data class PostDetail(
             reply: PostDetail? = null,
             repost: PostDetail? = null,
             moveTo: PostDetail? = null,
+            reactionsList: List<Reactions>
         ): PostDetail {
             return PostDetail(
                 id = post.id.id,
@@ -52,7 +55,8 @@ data class PostDetail(
                 sensitive = post.sensitive,
                 deleted = false,
                 mediaDetailList = mediaList.map { MediaDetail.of(it) },
-                moveTo = moveTo
+                moveTo = moveTo,
+                reactionsList = reactionsList
             )
         }
     }

hideout-core/src/main/kotlin/dev/usbharu/hideout/core/application/timeline/ReadTimelineApplicationService.kt

@@ -47,7 +47,8 @@ class ReadTimelineApplicationService(
                     it.replyPost,
                     it.replyPostActor!!,
                     it.replyPostActorIconMedia,
-                    it.replyPostMedias.orEmpty()
+                    it.replyPostMedias.orEmpty(),
+                    reactionsList = emptyList(),
                 )
             } else {
                 null
@@ -56,10 +57,11 @@ class ReadTimelineApplicationService(
             val repost = if (it.repostPost != null) {
                 @Suppress("UnsafeCallOnNullableType")
                 PostDetail.of(
-                    it.repostPost,
+                    post = it.repostPost,
-                    it.repostPostActor!!,
+                    actor = it.repostPostActor!!,
-                    it.repostPostActorIconMedia,
+                    iconMedia = it.repostPostActorIconMedia,
-                    it.repostPostMedias.orEmpty()
+                    mediaList = it.repostPostMedias.orEmpty(),
+                    reactionsList = emptyList()
                 )
             } else {
                 null
@@ -71,7 +73,8 @@ class ReadTimelineApplicationService(
                 iconMedia = it.postActorIconMedia,
                 mediaList = it.postMedias,
                 reply = reply,
-                repost = repost
+                repost = repost,
+                reactionsList = emptyList()
             )
         }
 

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

@@ -1,7 +1,10 @@
 package dev.usbharu.hideout.core.domain.model.reaction
 
+import dev.usbharu.hideout.core.domain.model.post.PostId
+
 interface ReactionRepository {
     suspend fun save(reaction: Reaction): Reaction
     suspend fun findById(reactionId: ReactionId): Reaction?
+    suspend fun findByPostId(postId: PostId): List<Reaction>
     suspend fun delete(reaction: Reaction)
 }

hideout-core/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/exposedquery/ExposedReactionsQueryService.kt

@@ -0,0 +1,42 @@
+package dev.usbharu.hideout.core.infrastructure.exposedquery
+
+import dev.usbharu.hideout.core.application.model.Reactions
+import dev.usbharu.hideout.core.domain.model.post.PostId
+import dev.usbharu.hideout.core.infrastructure.exposedrepository.AbstractRepository
+import dev.usbharu.hideout.core.infrastructure.exposedrepository.CustomEmojis
+import dev.usbharu.hideout.core.infrastructure.exposedrepository.toCustomEmojiOrNull
+import dev.usbharu.hideout.core.infrastructure.exposedrepository.toReaction
+import dev.usbharu.hideout.core.query.reactions.ReactionsQueryService
+import org.jetbrains.exposed.sql.selectAll
+import org.slf4j.Logger
+import org.slf4j.LoggerFactory
+import org.springframework.stereotype.Repository
+import dev.usbharu.hideout.core.infrastructure.exposedrepository.Reactions as ExposedrepositoryReactions
+
+@Repository
+class ExposedReactionsQueryService : ReactionsQueryService, AbstractRepository() {
+    override suspend fun findAllByPostId(postId: PostId): List<Reactions> {
+        return query {
+            ExposedrepositoryReactions.leftJoin(CustomEmojis).selectAll()
+                .where { ExposedrepositoryReactions.postId eq postId.id }
+                .groupBy {
+                    it[ExposedrepositoryReactions.customEmojiId]?.toString()
+                        ?: it[ExposedrepositoryReactions.unicodeEmoji]
+                }
+                .map { it.value }
+                .map {
+                    Reactions.of(
+                        it.map { resultRow -> resultRow.toReaction() },
+                        it.first().toCustomEmojiOrNull()
+                    )
+                }
+        }
+    }
+
+    override val logger: Logger
+        get() = Companion.logger
+
+    companion object {
+        private val logger = LoggerFactory.getLogger(ExposedReactionsQueryService::class.java)
+    }
+}

hideout-core/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/exposedquery/ExposedUserTimelineQueryService.kt

@@ -100,7 +100,8 @@ class ExposedUserTimelineQueryService : UserTimelineQueryService, AbstractReposi
             sensitive = it[authorizedQuery[Posts.sensitive]],
             deleted = it[authorizedQuery[Posts.deleted]],
             mediaDetailList = emptyList(),
-            moveTo = null
+            moveTo = null,
+            emptyList()
         )
     }
 

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

@@ -48,6 +48,14 @@ class ExposedReactionRepository(override val domainEventPublisher: DomainEventPu
         }
     }
 
+    override suspend fun findByPostId(postId: PostId): List<Reaction> {
+        return query {
+            Reactions.selectAll().where {
+                Reactions.postId eq postId.id
+            }.map { it.toReaction() }
+        }
+    }
+
     override suspend fun delete(reaction: Reaction) {
         return query {
             Reactions.deleteWhere {

hideout-core/src/main/kotlin/dev/usbharu/hideout/core/query/reactions/ReactionsQueryService.kt

@@ -0,0 +1,8 @@
+package dev.usbharu.hideout.core.query.reactions
+
+import dev.usbharu.hideout.core.application.model.Reactions
+import dev.usbharu.hideout.core.domain.model.post.PostId
+
+interface ReactionsQueryService {
+    suspend fun findAllByPostId(postId: PostId): List<Reactions>
+}