Merge pull request #595 from usbharu/reaction

リアクションの実装
2024-09-09 14:32:37 +09:00 · 2024-09-09 14:32:37 +09:00 · ecab768a6e
parent 452cc5be7b 587e87b353
commit ecab768a6e
42 changed files with 780 additions and 73 deletions
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/application/model/Reactions.kt
+++ b/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 }
+            )
+        }
+    }
+}
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/application/post/GetPostDetailApplicationService.kt
+++ b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/application/post/GetPostDetailApplicationService.kt
@ -9,8 +9,10 @@ import dev.usbharu.hideout.core.domain.model.media.Media
 import dev.usbharu.hideout.core.domain.model.media.MediaRepository
 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.reaction.ReactionRepository
 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 +22,9 @@ 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,
+    private val reactionRepository: ReactionRepository,
 ) : AbstractApplicationService<GetPostDetail, PostDetail>(
    transaction,
    logger
@ -38,6 +42,15 @@ class GetPostDetailApplicationService(

        val mediaList = mediaRepository.findByIds(post.mediaIds)

+        val reactions = reactionsQueryService.findAllByPostId(post.id)
+
+        val favourited = reactionRepository.existsByPostIdAndActorIdAndCustomEmojiIdOrUnicodeEmoji(
+            post.id,
+            principal.actorId,
+            null,
+            "❤"
+        )
+
        return PostDetail.of(
            post = post,
            actor = actor,
@ -46,6 +59,8 @@ 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,
+            favourited
        )
    }

@ -69,10 +84,12 @@ class GetPostDetailApplicationService(

        val mediaList = mediaRepository.findByIds(post.mediaIds)
        return PostDetail.of(
-            post,
-            first,
-            third,
-            mediaList
+            post = post,
+            actor = first,
+            iconMedia = third,
+            mediaList = mediaList,
+            reactionsList = emptyList(),
+            favourited = false
        )
    }

--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/application/post/PostDetail.kt
+++ b/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 +24,9 @@ data class PostDetail(
    val sensitive: Boolean,
    val deleted: Boolean,
    val mediaDetailList: List<MediaDetail>,
-    val moveTo: PostDetail?
+    val moveTo: PostDetail?,
+    val reactionsList: List<Reactions>,
+    val favourited: Boolean
 ) {
    companion object {
        @Suppress("LongParameterList")
@ -35,6 +38,8 @@ data class PostDetail(
            reply: PostDetail? = null,
            repost: PostDetail? = null,
            moveTo: PostDetail? = null,
+            reactionsList: List<Reactions>,
+            favourited: Boolean
        ): PostDetail {
            return PostDetail(
                id = post.id.id,
@ -52,7 +57,9 @@ data class PostDetail(
                sensitive = post.sensitive,
                deleted = false,
                mediaDetailList = mediaList.map { MediaDetail.of(it) },
-                moveTo = moveTo
+                moveTo = moveTo,
+                reactionsList = reactionsList,
+                favourited = favourited
            )
        }
    }
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/application/reaction/CreateReaction.kt
+++ b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/application/reaction/CreateReaction.kt
@ -0,0 +1,3 @@
+package dev.usbharu.hideout.core.application.reaction
+
+data class CreateReaction(val postId: Long, val customEmojiId: Long?, val unicodeEmoji: String)
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/application/reaction/RemoveReaction.kt
+++ b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/application/reaction/RemoveReaction.kt
@ -0,0 +1,7 @@
+package dev.usbharu.hideout.core.application.reaction
+
+data class RemoveReaction(
+    val postId: Long,
+    val customEmojiId: Long?,
+    val unicodeEmoji: String
+)
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/application/reaction/UserCreateReactionApplicationService.kt
+++ b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/application/reaction/UserCreateReactionApplicationService.kt
@ -0,0 +1,65 @@
+package dev.usbharu.hideout.core.application.reaction
+
+import dev.usbharu.hideout.core.application.exception.PermissionDeniedException
+import dev.usbharu.hideout.core.application.shared.LocalUserAbstractApplicationService
+import dev.usbharu.hideout.core.application.shared.Transaction
+import dev.usbharu.hideout.core.domain.model.emoji.CustomEmojiRepository
+import dev.usbharu.hideout.core.domain.model.emoji.UnicodeEmoji
+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.reaction.Reaction
+import dev.usbharu.hideout.core.domain.model.reaction.ReactionId
+import dev.usbharu.hideout.core.domain.model.reaction.ReactionRepository
+import dev.usbharu.hideout.core.domain.model.support.principal.LocalUser
+import dev.usbharu.hideout.core.domain.service.emoji.UnicodeEmojiService
+import dev.usbharu.hideout.core.domain.service.post.IPostReadAccessControl
+import dev.usbharu.hideout.core.domain.shared.id.IdGenerateService
+import org.slf4j.LoggerFactory
+import org.springframework.stereotype.Service
+import java.time.Instant
+
+@Service
+class UserCreateReactionApplicationService(
+    transaction: Transaction,
+    private val idGenerateService: IdGenerateService,
+    private val reactionRepository: ReactionRepository,
+    private val postReadAccessControl: IPostReadAccessControl,
+    private val postRepository: PostRepository,
+    private val customEmojiRepository: CustomEmojiRepository,
+    private val unicodeEmojiService: UnicodeEmojiService
+) :
+    LocalUserAbstractApplicationService<CreateReaction, Unit>(
+        transaction,
+        logger
+    ) {
+    override suspend fun internalExecute(command: CreateReaction, principal: LocalUser) {
+        val postId = PostId(command.postId)
+        val post = postRepository.findById(postId) ?: throw IllegalArgumentException("Post $postId not found.")
+        if (postReadAccessControl.isAllow(post, principal).not()) {
+            throw PermissionDeniedException()
+        }
+
+        val customEmoji = command.customEmojiId?.let { customEmojiRepository.findById(it) }
+
+        val unicodeEmoji = if (unicodeEmojiService.isUnicodeEmoji(command.unicodeEmoji)) {
+            command.unicodeEmoji
+        } else {
+            "❤"
+        }
+
+        val reaction = Reaction.create(
+            id = ReactionId(idGenerateService.generateId()),
+            postId = postId,
+            actorId = principal.actorId,
+            customEmojiId = customEmoji?.id,
+            unicodeEmoji = UnicodeEmoji(unicodeEmoji),
+            createdAt = Instant.now()
+        )
+
+        reactionRepository.save(reaction)
+    }
+
+    companion object {
+        private val logger = LoggerFactory.getLogger(UserCreateReactionApplicationService::class.java)
+    }
+}
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/application/reaction/UserRemoveReactionApplicationService.kt
+++ b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/application/reaction/UserRemoveReactionApplicationService.kt
@ -0,0 +1,51 @@
+package dev.usbharu.hideout.core.application.reaction
+
+import dev.usbharu.hideout.core.application.shared.LocalUserAbstractApplicationService
+import dev.usbharu.hideout.core.application.shared.Transaction
+import dev.usbharu.hideout.core.domain.model.emoji.CustomEmojiRepository
+import dev.usbharu.hideout.core.domain.model.post.PostId
+import dev.usbharu.hideout.core.domain.model.reaction.ReactionRepository
+import dev.usbharu.hideout.core.domain.model.support.principal.LocalUser
+import dev.usbharu.hideout.core.domain.service.emoji.UnicodeEmojiService
+import org.slf4j.LoggerFactory
+import org.springframework.stereotype.Service
+
+@Service
+class UserRemoveReactionApplicationService(
+    transaction: Transaction,
+    private val customEmojiRepository: CustomEmojiRepository,
+    private val reactionRepository: ReactionRepository,
+    private val unicodeEmojiService: UnicodeEmojiService
+) :
+    LocalUserAbstractApplicationService<RemoveReaction, Unit>(
+        transaction,
+        logger
+    ) {
+    override suspend fun internalExecute(command: RemoveReaction, principal: LocalUser) {
+        val postId = PostId(command.postId)
+
+        val customEmoji = command.customEmojiId?.let { customEmojiRepository.findById(it) }
+
+        val unicodeEmoji = if (unicodeEmojiService.isUnicodeEmoji(command.unicodeEmoji)) {
+            command.unicodeEmoji
+        } else {
+            "❤"
+        }
+        val reaction =
+            reactionRepository.findByPostIdAndActorIdAndCustomEmojiIdOrUnicodeEmoji(
+                postId,
+                principal.actorId,
+                customEmoji?.id,
+                unicodeEmoji
+            )
+                ?: throw IllegalArgumentException("Reaction $postId ${principal.actorId} ${customEmoji?.id} $unicodeEmoji not found.")
+
+        reaction.delete()
+
+        reactionRepository.delete(reaction)
+    }
+
+    companion object {
+        private val logger = LoggerFactory.getLogger(UserRemoveReactionApplicationService::class.java)
+    }
+}
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/application/timeline/ReadTimelineApplicationService.kt
+++ b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/application/timeline/ReadTimelineApplicationService.kt
@ -47,7 +47,9 @@ class ReadTimelineApplicationService(
                    it.replyPost,
                    it.replyPostActor!!,
                    it.replyPostActorIconMedia,
-                    it.replyPostMedias.orEmpty()
+                    it.replyPostMedias.orEmpty(),
+                    reactionsList = emptyList(),
+                    favourited = false,
                )
            } else {
                null
@ -56,10 +58,12 @@ class ReadTimelineApplicationService(
            val repost = if (it.repostPost != null) {
                @Suppress("UnsafeCallOnNullableType")
                PostDetail.of(
-                    it.repostPost,
-                    it.repostPostActor!!,
-                    it.repostPostActorIconMedia,
-                    it.repostPostMedias.orEmpty()
+                    post = it.repostPost,
+                    actor = it.repostPostActor!!,
+                    iconMedia = it.repostPostActorIconMedia,
+                    mediaList = it.repostPostMedias.orEmpty(),
+                    reactionsList = emptyList(),
+                    favourited = false
                )
            } else {
                null
@ -71,7 +75,9 @@ class ReadTimelineApplicationService(
                iconMedia = it.postActorIconMedia,
                mediaList = it.postMedias,
                reply = reply,
-                repost = repost
+                repost = repost,
+                reactionsList = emptyList(),
+                favourited = it.favourited
            )
        }

--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/event/reaction/ReactionEvent.kt
+++ b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/event/reaction/ReactionEvent.kt
@ -0,0 +1,22 @@
+package dev.usbharu.hideout.core.domain.event.reaction
+
+import dev.usbharu.hideout.core.domain.model.reaction.Reaction
+import dev.usbharu.hideout.core.domain.model.reaction.ReactionId
+import dev.usbharu.hideout.core.domain.shared.domainevent.DomainEvent
+import dev.usbharu.hideout.core.domain.shared.domainevent.DomainEventBody
+
+class ReactionEventFactory(private val reaction: Reaction) {
+    fun createEvent(reactionEvent: ReactionEvent): DomainEvent<ReactionEventBody> =
+        DomainEvent.create(reactionEvent.eventName, ReactionEventBody(reaction))
+}
+
+class ReactionEventBody(
+    reaction: Reaction
+) : DomainEventBody(mapOf("reactionId" to reaction.id)) {
+    fun getReactionId(): ReactionId = toMap()["reactionId"] as ReactionId
+}
+
+enum class ReactionEvent(val eventName: String) {
+    CREATE("ReactionCreate"),
+    DELETE("ReactionDelete"),
+}
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/actor/Actor.kt
+++ b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/actor/Actor.kt
@ -18,7 +18,7 @@ package dev.usbharu.hideout.core.domain.model.actor

 import dev.usbharu.hideout.core.domain.event.actor.ActorDomainEventFactory
 import dev.usbharu.hideout.core.domain.event.actor.ActorEvent.*
-import dev.usbharu.hideout.core.domain.model.emoji.EmojiId
+import dev.usbharu.hideout.core.domain.model.emoji.CustomEmojiId
 import dev.usbharu.hideout.core.domain.model.instance.InstanceId
 import dev.usbharu.hideout.core.domain.model.media.MediaId
 import dev.usbharu.hideout.core.domain.model.support.domain.Domain
@ -52,7 +52,7 @@ class Actor(
    var lastUpdateAt: Instant = createdAt,
    alsoKnownAs: Set<ActorId> = emptySet(),
    moveTo: ActorId? = null,
-    emojiIds: Set<EmojiId>,
+    emojiIds: Set<CustomEmojiId>,
    deleted: Boolean,
    icon: MediaId?,
    banner: MediaId?,
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/emoji/CustomEmoji.kt
+++ b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/emoji/CustomEmoji.kt
@ -36,7 +36,7 @@ sealed class Emoji {
 }

 data class CustomEmoji(
-    val id: EmojiId,
+    val id: CustomEmojiId,
    override val name: String,
    override val domain: Domain,
    val instanceId: InstanceId,
@ -50,6 +50,10 @@ data class CustomEmoji(
 data class UnicodeEmoji(
    override val name: String
 ) : Emoji() {
-    override val domain: Domain = Domain("unicode.org")
+    override val domain: Domain = Companion.domain
    override fun id(): String = name
+
+    companion object {
+        val domain = Domain("unicode.org")
+    }
 }
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/emoji/CustomEmojiId.kt
+++ b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/emoji/CustomEmojiId.kt
@ -17,7 +17,7 @@
 package dev.usbharu.hideout.core.domain.model.emoji

@JvmInline
-value class EmojiId(val emojiId: Long) {
+value class CustomEmojiId(val emojiId: Long) {
    init {
        require(0 <= emojiId)
    }
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/post/Post.kt
+++ b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/post/Post.kt
@ -20,7 +20,7 @@ import dev.usbharu.hideout.core.domain.event.post.PostDomainEventFactory
 import dev.usbharu.hideout.core.domain.event.post.PostEvent
 import dev.usbharu.hideout.core.domain.model.actor.Actor
 import dev.usbharu.hideout.core.domain.model.actor.ActorId
-import dev.usbharu.hideout.core.domain.model.emoji.EmojiId
+import dev.usbharu.hideout.core.domain.model.emoji.CustomEmojiId
 import dev.usbharu.hideout.core.domain.model.instance.InstanceId
 import dev.usbharu.hideout.core.domain.model.media.MediaId
 import dev.usbharu.hideout.core.domain.shared.domainevent.DomainEventStorable
@ -138,7 +138,7 @@ class Post(
            return content.text
        }

-    val emojiIds: List<EmojiId>
+    val emojiIds: List<CustomEmojiId>
        get() {
            if (hide) {
                return PostContent.empty.emojiIds
@ -217,7 +217,7 @@ class Post(

    override fun hashCode(): Int = id.hashCode()

-    fun reconstructWith(mediaIds: List<MediaId>, emojis: List<EmojiId>, visibleActors: Set<ActorId>): Post {
+    fun reconstructWith(mediaIds: List<MediaId>, emojis: List<CustomEmojiId>, visibleActors: Set<ActorId>): Post {
        return Post(
            id = id,
            actorId = actorId,
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/post/PostContent.kt
+++ b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/post/PostContent.kt
@ -16,9 +16,9 @@

 package dev.usbharu.hideout.core.domain.model.post

-import dev.usbharu.hideout.core.domain.model.emoji.EmojiId
+import dev.usbharu.hideout.core.domain.model.emoji.CustomEmojiId

-data class PostContent(val text: String, val content: String, val emojiIds: List<EmojiId>) {
+data class PostContent(val text: String, val content: String, val emojiIds: List<CustomEmojiId>) {

    companion object {
        val empty = PostContent("", "", emptyList())
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/reaction/Reaction.kt
+++ b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/reaction/Reaction.kt
@ -0,0 +1,57 @@
+package dev.usbharu.hideout.core.domain.model.reaction
+
+import dev.usbharu.hideout.core.domain.event.reaction.ReactionEvent
+import dev.usbharu.hideout.core.domain.event.reaction.ReactionEventFactory
+import dev.usbharu.hideout.core.domain.model.actor.ActorId
+import dev.usbharu.hideout.core.domain.model.emoji.CustomEmojiId
+import dev.usbharu.hideout.core.domain.model.emoji.UnicodeEmoji
+import dev.usbharu.hideout.core.domain.model.post.PostId
+import dev.usbharu.hideout.core.domain.shared.domainevent.DomainEventStorable
+import java.time.Instant
+
+class Reaction(
+    val id: ReactionId,
+    val postId: PostId,
+    val actorId: ActorId,
+    val customEmojiId: CustomEmojiId?,
+    val unicodeEmoji: UnicodeEmoji,
+    val createdAt: Instant
+) : DomainEventStorable() {
+
+    override fun equals(other: Any?): Boolean {
+        if (this === other) return true
+        if (javaClass != other?.javaClass) return false
+
+        other as Reaction
+
+        return id == other.id
+    }
+
+    override fun hashCode(): Int {
+        return id.hashCode()
+    }
+
+    fun delete() {
+        addDomainEvent(ReactionEventFactory(this).createEvent(ReactionEvent.DELETE))
+    }
+
+    companion object {
+        fun create(
+            id: ReactionId,
+            postId: PostId,
+            actorId: ActorId,
+            customEmojiId: CustomEmojiId?,
+            unicodeEmoji: UnicodeEmoji,
+            createdAt: Instant
+        ): Reaction {
+            return Reaction(
+                id,
+                postId,
+                actorId,
+                customEmojiId,
+                unicodeEmoji,
+                createdAt
+            ).apply { addDomainEvent(ReactionEventFactory(this).createEvent(ReactionEvent.CREATE)) }
+        }
+    }
+}
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/reaction/ReactionId.kt
+++ b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/reaction/ReactionId.kt
@ -0,0 +1,4 @@
+package dev.usbharu.hideout.core.domain.model.reaction
+
+@JvmInline
+value class ReactionId(val value: Long)
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/reaction/ReactionRepository.kt
+++ b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/reaction/ReactionRepository.kt
@ -0,0 +1,26 @@
+package dev.usbharu.hideout.core.domain.model.reaction
+
+import dev.usbharu.hideout.core.domain.model.actor.ActorId
+import dev.usbharu.hideout.core.domain.model.emoji.CustomEmojiId
+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 existsByPostIdAndActorIdAndCustomEmojiIdOrUnicodeEmoji(
+        postId: PostId,
+        actorId: ActorId,
+        customEmojiId: CustomEmojiId?,
+        unicodeEmoji: String
+    ): Boolean
+
+    suspend fun findByPostIdAndActorIdAndCustomEmojiIdOrUnicodeEmoji(
+        postId: PostId,
+        actorId: ActorId,
+        customEmojiId: CustomEmojiId?,
+        unicodeEmoji: String
+    ): Reaction?
+
+    suspend fun delete(reaction: Reaction)
+}
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/support/timelineobjectdetail/TimelineObjectDetail.kt
+++ b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/support/timelineobjectdetail/TimelineObjectDetail.kt
@ -1,5 +1,6 @@
 package dev.usbharu.hideout.core.domain.model.support.timelineobjectdetail

+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
@ -29,7 +30,9 @@ data class TimelineObjectDetail(
    val isPureRepost: Boolean,
    val lastUpdateAt: Instant,
    val hasMediaInRepost: Boolean,
-    val warnFilter: List<TimelineObjectWarnFilter>
+    val warnFilter: List<TimelineObjectWarnFilter>,
+    val reactionsList: List<Reactions>,
+    val favourited: Boolean
 ) {
    companion object {
        @Suppress("LongParameterList")
@ -48,7 +51,9 @@ data class TimelineObjectDetail(
            repostPostMedias: List<Media>?,
            repostPostActor: Actor?,
            repostPostActorIconMedia: Media?,
-            warnFilter: List<TimelineObjectWarnFilter>
+            warnFilter: List<TimelineObjectWarnFilter>,
+            reactionsList: List<Reactions>,
+            favourited: Boolean
        ): TimelineObjectDetail {
            return TimelineObjectDetail(
                id = timelineObject.id,
@ -69,7 +74,9 @@ data class TimelineObjectDetail(
                isPureRepost = timelineObject.isPureRepost,
                lastUpdateAt = timelineObject.lastUpdatedAt,
                hasMediaInRepost = timelineObject.hasMediaInRepost,
-                warnFilter = warnFilter
+                warnFilter = warnFilter,
+                reactionsList = reactionsList,
+                favourited = favourited
            )
        }
    }
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/timelineobject/TimelineObject.kt
+++ b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/timelineobject/TimelineObject.kt
@ -1,7 +1,7 @@
 package dev.usbharu.hideout.core.domain.model.timelineobject

 import dev.usbharu.hideout.core.domain.model.actor.ActorId
-import dev.usbharu.hideout.core.domain.model.emoji.EmojiId
+import dev.usbharu.hideout.core.domain.model.emoji.CustomEmojiId
 import dev.usbharu.hideout.core.domain.model.filter.FilterResult
 import dev.usbharu.hideout.core.domain.model.media.MediaId
 import dev.usbharu.hideout.core.domain.model.post.Post
@ -28,12 +28,12 @@ class TimelineObject(
    visibility: Visibility,
    isPureRepost: Boolean,
    mediaIds: List<MediaId>,
-    emojiIds: List<EmojiId>,
+    emojiIds: List<CustomEmojiId>,
    visibleActors: List<ActorId>,
    hasMediaInRepost: Boolean,
    lastUpdatedAt: Instant,
    var warnFilters: List<TimelineObjectWarnFilter>,
-
+    var favourited: Boolean
 ) {
    var isPureRepost = isPureRepost
        private set
@ -82,7 +82,8 @@ class TimelineObject(
            timeline: Timeline,
            post: Post,
            replyActorId: ActorId?,
-            filterResults: List<FilterResult>
+            filterResults: List<FilterResult>,
+            favourited: Boolean
        ): TimelineObject {
            return TimelineObject(
                id = timelineObjectId,
@ -102,7 +103,8 @@ class TimelineObject(
                visibleActors = post.visibleActors.toList(),
                hasMediaInRepost = false,
                lastUpdatedAt = Instant.now(),
-                warnFilters = filterResults.map { TimelineObjectWarnFilter(it.filter.id, it.matchedKeyword) }
+                warnFilters = filterResults.map { TimelineObjectWarnFilter(it.filter.id, it.matchedKeyword) },
+                favourited = favourited
            )
        }

@ -113,7 +115,8 @@ class TimelineObject(
            post: Post,
            replyActorId: ActorId?,
            repost: Post,
-            filterResults: List<FilterResult>
+            filterResults: List<FilterResult>,
+            favourited: Boolean
        ): TimelineObject {
            require(post.repostId == repost.id)

@ -138,7 +141,8 @@ class TimelineObject(
                visibleActors = post.visibleActors.toList(),
                hasMediaInRepost = repost.mediaIds.isNotEmpty(),
                lastUpdatedAt = Instant.now(),
-                warnFilters = filterResults.map { TimelineObjectWarnFilter(it.filter.id, it.matchedKeyword) }
+                warnFilters = filterResults.map { TimelineObjectWarnFilter(it.filter.id, it.matchedKeyword) },
+                favourited = favourited
            )
        }
    }
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/service/emoji/UnicodeEmojiService.kt
+++ b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/service/emoji/UnicodeEmojiService.kt
@ -0,0 +1,5 @@
+package dev.usbharu.hideout.core.domain.service.emoji
+
+interface UnicodeEmojiService {
+    fun isUnicodeEmoji(emoji: String): Boolean
+}
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/emojikt/EmojiKtUnicodeEmojiService.kt
+++ b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/emojikt/EmojiKtUnicodeEmojiService.kt
@ -0,0 +1,12 @@
+package dev.usbharu.hideout.core.infrastructure.emojikt
+
+import Emojis
+import dev.usbharu.hideout.core.domain.service.emoji.UnicodeEmojiService
+import org.springframework.stereotype.Service
+
+@Service
+class EmojiKtUnicodeEmojiService : UnicodeEmojiService {
+    override fun isUnicodeEmoji(emoji: String): Boolean {
+        return Emojis.allEmojis.singleOrNull { it.char == emoji } != null
+    }
+}
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/exposed/ActorResultRowMapper.kt
+++ b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/exposed/ActorResultRowMapper.kt
@ -17,7 +17,7 @@
 package dev.usbharu.hideout.core.infrastructure.exposed

 import dev.usbharu.hideout.core.domain.model.actor.*
-import dev.usbharu.hideout.core.domain.model.emoji.EmojiId
+import dev.usbharu.hideout.core.domain.model.emoji.CustomEmojiId
 import dev.usbharu.hideout.core.domain.model.instance.InstanceId
 import dev.usbharu.hideout.core.domain.model.media.MediaId
 import dev.usbharu.hideout.core.domain.model.support.domain.Domain
@ -57,7 +57,7 @@ class ActorResultRowMapper : ResultRowMapper<Actor> {
            emojiIds = resultRow[Actors.emojis]
                .split(",")
                .filter { it.isNotEmpty() }
-                .map { EmojiId(it.toLong()) }
+                .map { CustomEmojiId(it.toLong()) }
                .toSet(),
            deleted = resultRow[Actors.deleted],
            icon = resultRow[Actors.icon]?.let { MediaId(it) },
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/exposed/PostQueryMapper.kt
+++ b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/exposed/PostQueryMapper.kt
@ -17,7 +17,7 @@
 package dev.usbharu.hideout.core.infrastructure.exposed

 import dev.usbharu.hideout.core.domain.model.actor.ActorId
-import dev.usbharu.hideout.core.domain.model.emoji.EmojiId
+import dev.usbharu.hideout.core.domain.model.emoji.CustomEmojiId
 import dev.usbharu.hideout.core.domain.model.media.MediaId
 import dev.usbharu.hideout.core.domain.model.post.Post
 import dev.usbharu.hideout.core.infrastructure.exposedrepository.Posts
@ -55,7 +55,7 @@ class PostQueryMapper(private val postResultRowMapper: ResultRowMapper<Post>) :
                .mapNotNull { resultRow: ResultRow ->
                    resultRow
                        .getOrNull(PostsEmojis.emojiId)
-                        ?.let { emojiId -> EmojiId(emojiId) }
+                        ?.let { emojiId -> CustomEmojiId(emojiId) }
                },
            visibleActors = it.mapNotNull { resultRow: ResultRow ->
                resultRow
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/exposedquery/ExposedReactionsQueryService.kt
+++ b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/exposedquery/ExposedReactionsQueryService.kt
@ -0,0 +1,73 @@
+package dev.usbharu.hideout.core.infrastructure.exposedquery
+
+import dev.usbharu.hideout.core.application.model.Reactions
+import dev.usbharu.hideout.core.domain.model.emoji.UnicodeEmoji
+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.*
+import org.slf4j.Logger
+import org.slf4j.LoggerFactory
+import org.springframework.stereotype.Repository
+import java.net.URI
+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 suspend fun findAllByPostIdIn(postIds: List<PostId>): List<Reactions> {
+        return query {
+            val actorIdsQuery =
+                ExposedrepositoryReactions.actorId.castTo<String>(VarCharColumnType()).groupConcat(",", true)
+
+            ExposedrepositoryReactions.leftJoin(CustomEmojis)
+                .select(
+                    ExposedrepositoryReactions.postId,
+                    ExposedrepositoryReactions.postId.count(),
+                    ExposedrepositoryReactions.customEmojiId.max(),
+                    ExposedrepositoryReactions.unicodeEmoji.max<String, String>(),
+                    actorIdsQuery
+                )
+                .where { ExposedrepositoryReactions.postId inList postIds.map { it.id } }
+                .groupBy(ExposedrepositoryReactions.postId)
+                .map {
+                    Reactions(
+                        it[ExposedrepositoryReactions.postId],
+                        it[ExposedrepositoryReactions.postId.count()].toInt(),
+                        it.getOrNull(CustomEmojis.name)
+                            ?: it[ExposedrepositoryReactions.unicodeEmoji.max<String, String>()]!!,
+                        it.getOrNull(CustomEmojis.domain) ?: UnicodeEmoji.domain.domain,
+                        it.getOrNull(CustomEmojis.url)?.let { it1 -> URI.create(it1) },
+                        it[actorIdsQuery].split(",").mapNotNull { it.toLongOrNull() }
+                    )
+                }
+        }
+    }
+
+    override val logger: Logger
+        get() = Companion.logger
+
+    companion object {
+        private val logger = LoggerFactory.getLogger(ExposedReactionsQueryService::class.java)
+    }
+}
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/exposedquery/ExposedUserTimelineQueryService.kt
+++ b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/exposedquery/ExposedUserTimelineQueryService.kt
@ -61,6 +61,12 @@ class ExposedUserTimelineQueryService : UserTimelineQueryService, AbstractReposi
            .leftJoin(iconMedia, { Actors.icon }, { iconMedia[Media.id] })
            .leftJoin(PostsMedia, { authorizedQuery[Posts.id] }, { PostsMedia.postId })
            .leftJoin(Media, { PostsMedia.mediaId }, { Media.id })
+            .leftJoin(
+                Reactions,
+                { authorizedQuery[Posts.id] },
+                { Reactions.postId },
+                { Reactions.id isDistinctFrom principal.actorId.id }
+            )
            .selectAll()
            .where { authorizedQuery[Posts.id] inList idList.map { it.id } }
            .groupBy { it[authorizedQuery[Posts.id]] }
@ -69,7 +75,8 @@ class ExposedUserTimelineQueryService : UserTimelineQueryService, AbstractReposi
                toPostDetail(it.first(), authorizedQuery, iconMedia).copy(
                    mediaDetailList = it.mapNotNull { resultRow ->
                        resultRow.toMediaOrNull()?.let { it1 -> MediaDetail.of(it1) }
-                    }
+                    },
+                    favourited = it.any { it.getOrNull(Reactions.actorId) != null }
                )
            }
    }
@ -100,7 +107,9 @@ class ExposedUserTimelineQueryService : UserTimelineQueryService, AbstractReposi
            sensitive = it[authorizedQuery[Posts.sensitive]],
            deleted = it[authorizedQuery[Posts.deleted]],
            mediaDetailList = emptyList(),
-            moveTo = null
+            moveTo = null,
+            emptyList(),
+            favourited = false
        )
    }

--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/exposedrepository/CustomEmojiRepositoryImpl.kt
+++ b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/exposedrepository/CustomEmojiRepositoryImpl.kt
@ -17,8 +17,8 @@
 package dev.usbharu.hideout.core.infrastructure.exposedrepository

 import dev.usbharu.hideout.core.domain.model.emoji.CustomEmoji
+import dev.usbharu.hideout.core.domain.model.emoji.CustomEmojiId
 import dev.usbharu.hideout.core.domain.model.emoji.CustomEmojiRepository
-import dev.usbharu.hideout.core.domain.model.emoji.EmojiId
 import dev.usbharu.hideout.core.domain.model.instance.InstanceId
 import dev.usbharu.hideout.core.domain.model.support.domain.Domain
 import org.jetbrains.exposed.sql.*
@ -81,7 +81,7 @@ class CustomEmojiRepositoryImpl : CustomEmojiRepository,
 }

 fun ResultRow.toCustomEmoji(): CustomEmoji = CustomEmoji(
-    id = EmojiId(this[CustomEmojis.id]),
+    id = CustomEmojiId(this[CustomEmojis.id]),
    name = this[CustomEmojis.name],
    domain = Domain(this[CustomEmojis.domain]),
    instanceId = InstanceId(this[CustomEmojis.instanceId]),
@ -92,7 +92,7 @@ fun ResultRow.toCustomEmoji(): CustomEmoji = CustomEmoji(

 fun ResultRow.toCustomEmojiOrNull(): CustomEmoji? {
    return CustomEmoji(
-        id = EmojiId(this.getOrNull(CustomEmojis.id) ?: return null),
+        id = CustomEmojiId(this.getOrNull(CustomEmojis.id) ?: return null),
        name = this.getOrNull(CustomEmojis.name) ?: return null,
        domain = Domain(this.getOrNull(CustomEmojis.domain) ?: return null),
        instanceId = InstanceId(this.getOrNull(CustomEmojis.instanceId) ?: return null),
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/exposedrepository/ExposedPostRepository.kt
+++ b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/exposedrepository/ExposedPostRepository.kt
@ -168,7 +168,7 @@ class ExposedPostRepository(
                Posts.id eq id.id
            }
            .let(postQueryMapper::map)
-            .first()
+            .firstOrNull()
    }

    override suspend fun findAllById(ids: List<PostId>): List<Post> {
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/exposedrepository/ExposedReactionRepository.kt
+++ b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/exposedrepository/ExposedReactionRepository.kt
@ -0,0 +1,128 @@
+package dev.usbharu.hideout.core.infrastructure.exposedrepository
+
+import dev.usbharu.hideout.core.domain.model.actor.ActorId
+import dev.usbharu.hideout.core.domain.model.emoji.CustomEmojiId
+import dev.usbharu.hideout.core.domain.model.emoji.UnicodeEmoji
+import dev.usbharu.hideout.core.domain.model.post.PostId
+import dev.usbharu.hideout.core.domain.model.reaction.Reaction
+import dev.usbharu.hideout.core.domain.model.reaction.ReactionId
+import dev.usbharu.hideout.core.domain.model.reaction.ReactionRepository
+import dev.usbharu.hideout.core.domain.shared.domainevent.DomainEventPublisher
+import dev.usbharu.hideout.core.domain.shared.repository.DomainEventPublishableRepository
+import org.jetbrains.exposed.sql.*
+import org.jetbrains.exposed.sql.SqlExpressionBuilder.eq
+import org.jetbrains.exposed.sql.javatime.timestamp
+import org.slf4j.Logger
+import org.slf4j.LoggerFactory
+import org.springframework.stereotype.Repository
+
+@Repository
+class ExposedReactionRepository(override val domainEventPublisher: DomainEventPublisher) :
+    ReactionRepository,
+    AbstractRepository(),
+    DomainEventPublishableRepository<Reaction> {
+
+    override val logger: Logger
+        get() = Companion.logger
+
+    override suspend fun save(reaction: Reaction): Reaction {
+        return query {
+            Reactions.upsert {
+                it[Reactions.id] = reaction.id.value
+                it[Reactions.postId] = reaction.postId.id
+                it[Reactions.actorId] = reaction.actorId.id
+                it[Reactions.customEmojiId] = reaction.customEmojiId?.emojiId
+                it[Reactions.unicodeEmoji] = reaction.unicodeEmoji.name
+                it[Reactions.createdAt] = reaction.createdAt
+            }
+            onComplete {
+                update(reaction)
+            }
+            reaction
+        }
+    }
+
+    override suspend fun findById(reactionId: ReactionId): Reaction? {
+        return query {
+            Reactions.selectAll().where {
+                Reactions.id eq reactionId.value
+            }.singleOrNull()?.toReaction()
+        }
+    }
+
+    override suspend fun findByPostId(postId: PostId): List<Reaction> {
+        return query {
+            Reactions.selectAll().where {
+                Reactions.postId eq postId.id
+            }.map { it.toReaction() }
+        }
+    }
+
+    override suspend fun existsByPostIdAndActorIdAndCustomEmojiIdOrUnicodeEmoji(
+        postId: PostId,
+        actorId: ActorId,
+        customEmojiId: CustomEmojiId?,
+        unicodeEmoji: String
+    ): Boolean {
+        return query {
+            Reactions.selectAll().where {
+                Reactions.postId.eq(postId.id).and(Reactions.actorId eq actorId.id)
+                    .and(
+                        (Reactions.customEmojiId eq customEmojiId?.emojiId or (Reactions.unicodeEmoji eq unicodeEmoji))
+                    )
+            }.empty().not()
+        }
+    }
+
+    override suspend fun delete(reaction: Reaction) {
+        return query {
+            Reactions.deleteWhere {
+                Reactions.id eq reaction.id.value
+            }
+            onComplete {
+                update(reaction)
+            }
+        }
+    }
+
+    override suspend fun findByPostIdAndActorIdAndCustomEmojiIdOrUnicodeEmoji(
+        postId: PostId,
+        actorId: ActorId,
+        customEmojiId: CustomEmojiId?,
+        unicodeEmoji: String
+    ): Reaction? {
+        return query {
+            Reactions.selectAll().where {
+                Reactions.postId.eq(postId.id).and(Reactions.actorId eq actorId.id)
+                    .and(
+                        (Reactions.customEmojiId eq customEmojiId?.emojiId or (Reactions.unicodeEmoji eq unicodeEmoji))
+                    )
+            }.limit(1).singleOrNull()?.toReaction()
+        }
+    }
+
+    companion object {
+        private val logger = LoggerFactory.getLogger(ExposedReactionRepository::class.java)
+    }
+}
+
+fun ResultRow.toReaction(): Reaction {
+    return Reaction(
+        ReactionId(this[Reactions.id]),
+        PostId(this[Reactions.postId]),
+        ActorId(this[Reactions.actorId]),
+        this[Reactions.customEmojiId]?.let { CustomEmojiId(it) },
+        UnicodeEmoji(this[Reactions.unicodeEmoji]),
+        this[Reactions.createdAt]
+    )
+}
+
+object Reactions : Table("reactions") {
+    val id = long("id")
+    val postId = long("post_id").references(Posts.id)
+    val actorId = long("actor_id").references(Actors.id)
+    val customEmojiId = long("custom_emoji_id").references(CustomEmojis.id).nullable()
+    val unicodeEmoji = varchar("unicode_emoji", 100)
+    val createdAt = timestamp("created_at")
+    override val primaryKey: PrimaryKey = PrimaryKey(id)
+}
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/mongorepository/MongoInternalTimelineObjectRepository.kt
+++ b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/mongorepository/MongoInternalTimelineObjectRepository.kt
@ -1,7 +1,7 @@
 package dev.usbharu.hideout.core.infrastructure.mongorepository

 import dev.usbharu.hideout.core.domain.model.actor.ActorId
-import dev.usbharu.hideout.core.domain.model.emoji.EmojiId
+import dev.usbharu.hideout.core.domain.model.emoji.CustomEmojiId
 import dev.usbharu.hideout.core.domain.model.filter.FilterId
 import dev.usbharu.hideout.core.domain.model.media.MediaId
 import dev.usbharu.hideout.core.domain.model.post.PostId
@ -133,7 +133,8 @@ data class SpringDataMongoTimelineObject(
    val visibleActors: List<Long>,
    val hasMediaInRepost: Boolean,
    val lastUpdatedAt: Long,
-    val warnFilters: List<SpringDataMongoTimelineObjectWarnFilter>
+    val warnFilters: List<SpringDataMongoTimelineObjectWarnFilter>,
+    val favourited: Boolean
 ) {

    fun toTimelineObject(): TimelineObject {
@ -151,11 +152,12 @@ data class SpringDataMongoTimelineObject(
            visibility = visibility,
            isPureRepost = isPureRepost,
            mediaIds = mediaIds.map { MediaId(it) },
-            emojiIds = emojiIds.map { EmojiId(it) },
+            emojiIds = emojiIds.map { CustomEmojiId(it) },
            visibleActors = visibleActors.map { ActorId(it) },
            hasMediaInRepost = hasMediaInRepost,
            lastUpdatedAt = Instant.ofEpochSecond(lastUpdatedAt),
-            warnFilters = warnFilters.map { it.toTimelineObjectWarnFilter() }
+            warnFilters = warnFilters.map { it.toTimelineObjectWarnFilter() },
+            favourited = favourited
        )
    }

@ -179,7 +181,8 @@ data class SpringDataMongoTimelineObject(
                visibleActors = timelineObject.visibleActors.map { it.id },
                hasMediaInRepost = timelineObject.hasMediaInRepost,
                lastUpdatedAt = timelineObject.lastUpdatedAt.epochSecond,
-                warnFilters = timelineObject.warnFilters.map { SpringDataMongoTimelineObjectWarnFilter.of(it) }
+                warnFilters = timelineObject.warnFilters.map { SpringDataMongoTimelineObjectWarnFilter.of(it) },
+                favourited = timelineObject.favourited
            )
        }
    }
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/springframework/SPAInterceptor.kt
+++ b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/springframework/SPAInterceptor.kt
@ -29,7 +29,7 @@ class SPAInterceptor : HandlerInterceptor {
            return
        }

-        if (request.session.getAttribute("s") == "f") {
+        if (request.getSession(false)?.getAttribute("s") == "f") {
            return
        }

--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/timeline/AbstractTimelineStore.kt
+++ b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/timeline/AbstractTimelineStore.kt
@ -1,5 +1,6 @@
 package dev.usbharu.hideout.core.infrastructure.timeline

+import dev.usbharu.hideout.core.application.model.Reactions
 import dev.usbharu.hideout.core.domain.model.actor.Actor
 import dev.usbharu.hideout.core.domain.model.actor.ActorId
 import dev.usbharu.hideout.core.domain.model.filter.Filter
@ -75,7 +76,8 @@ abstract class AbstractTimelineStore(private val idGenerateService: IdGenerateSe
                post = post,
                replyActorId = replyActorId,
                repost = repost,
-                filterResults = applyFilters.filterResults
+                filterResults = applyFilters.filterResults,
+                favourited = false
            )
        }

@ -84,7 +86,8 @@ abstract class AbstractTimelineStore(private val idGenerateService: IdGenerateSe
            timeline = timeline,
            post = post,
            replyActorId = replyActorId,
-            filterResults = applyFilters.filterResults
+            filterResults = applyFilters.filterResults,
+            favourited = false
        )
    }

@ -256,6 +259,8 @@ abstract class AbstractTimelineStore(private val idGenerateService: IdGenerateSe
                actors.mapNotNull { it.value.icon }
        )

+        val reactions = getReactions(posts.map { it.id })
+
        return PaginationList(
            timelineObjectList.mapNotNull<TimelineObject, TimelineObjectDetail> {
                val timelineUserDetail = userDetails[it.userDetailId] ?: return@mapNotNull null
@ -268,6 +273,7 @@ abstract class AbstractTimelineStore(private val idGenerateService: IdGenerateSe
                val repost = postMap[it.repostId]
                val repostMedias = repost?.post?.mediaIds?.mapNotNull { mediaId -> mediaMap[mediaId] }
                val repostActor = actors[it.repostActorId]
+                val reactionsList = reactions[it.postId].orEmpty()
                TimelineObjectDetail.of(
                    timelineObject = it,
                    timelineUserDetail = timelineUserDetail,
@ -288,7 +294,9 @@ abstract class AbstractTimelineStore(private val idGenerateService: IdGenerateSe
                            filterResult.filter.id,
                            filterResult.matchedKeyword
                        )
-                    }
+                    },
+                    reactionsList = reactionsList,
+                    favourited = it.favourited
                )
            },
            timelineObjectList.lastOrNull()?.postId,
@ -300,5 +308,7 @@ abstract class AbstractTimelineStore(private val idGenerateService: IdGenerateSe

    protected abstract suspend fun getMedias(mediaIds: List<MediaId>): Map<MediaId, Media>

+    protected abstract suspend fun getReactions(postIds: List<PostId>): Map<PostId, List<Reactions>>
+
    protected abstract suspend fun getUserDetails(userDetailIdList: List<UserDetailId>): Map<UserDetailId, UserDetail>
 }
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/timeline/DefaultTimelineStore.kt
+++ b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/timeline/DefaultTimelineStore.kt
@ -1,5 +1,6 @@
 package dev.usbharu.hideout.core.infrastructure.timeline

+import dev.usbharu.hideout.core.application.model.Reactions
 import dev.usbharu.hideout.core.config.DefaultTimelineStoreConfig
 import dev.usbharu.hideout.core.domain.model.actor.Actor
 import dev.usbharu.hideout.core.domain.model.actor.ActorId
@ -32,6 +33,7 @@ import dev.usbharu.hideout.core.domain.service.filter.FilterDomainService
 import dev.usbharu.hideout.core.domain.service.post.IPostReadAccessControl
 import dev.usbharu.hideout.core.domain.shared.id.IdGenerateService
 import dev.usbharu.hideout.core.external.timeline.ReadTimelineOption
+import dev.usbharu.hideout.core.query.reactions.ReactionsQueryService
 import org.springframework.stereotype.Component
 import java.time.Instant

@ -49,7 +51,8 @@ open class DefaultTimelineStore(
    private val userDetailRepository: UserDetailRepository,
    private val actorRepository: ActorRepository,
    private val mediaRepository: MediaRepository,
-    private val postIPostReadAccessControl: IPostReadAccessControl
+    private val postIPostReadAccessControl: IPostReadAccessControl,
+    private val reactionsQueryService: ReactionsQueryService,
 ) : AbstractTimelineStore(idGenerateService) {
    override suspend fun getTimelines(actorId: ActorId): List<Timeline> {
        return timelineRepository.findByIds(
@ -157,6 +160,10 @@ open class DefaultTimelineStore(
    override suspend fun getMedias(mediaIds: List<MediaId>): Map<MediaId, Media> =
        mediaRepository.findByIds(mediaIds).associateBy { it.id }

+    override suspend fun getReactions(postIds: List<PostId>): Map<PostId, List<Reactions>> {
+        return reactionsQueryService.findAllByPostIdIn(postIds).groupBy { PostId(it.postId) }
+    }
+
    override suspend fun getUserDetails(userDetailIdList: List<UserDetailId>): Map<UserDetailId, UserDetail> =
        userDetailRepository.findAllById(userDetailIdList).associateBy { it.id }
 }
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/interfaces/web/posts/PostsController.kt
+++ b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/interfaces/web/posts/PostsController.kt
@ -4,18 +4,25 @@ import dev.usbharu.hideout.core.application.exception.PermissionDeniedException
 import dev.usbharu.hideout.core.application.instance.GetLocalInstanceApplicationService
 import dev.usbharu.hideout.core.application.post.GetPostDetail
 import dev.usbharu.hideout.core.application.post.GetPostDetailApplicationService
+import dev.usbharu.hideout.core.application.reaction.CreateReaction
+import dev.usbharu.hideout.core.application.reaction.RemoveReaction
+import dev.usbharu.hideout.core.application.reaction.UserCreateReactionApplicationService
+import dev.usbharu.hideout.core.application.reaction.UserRemoveReactionApplicationService
 import dev.usbharu.hideout.core.infrastructure.springframework.SpringSecurityFormLoginPrincipalContextHolder
 import org.springframework.security.access.AccessDeniedException
 import org.springframework.stereotype.Controller
 import org.springframework.ui.Model
 import org.springframework.web.bind.annotation.GetMapping
 import org.springframework.web.bind.annotation.PathVariable
+import org.springframework.web.bind.annotation.PostMapping

@Controller
 class PostsController(
    private val getPostDetailApplicationService: GetPostDetailApplicationService,
    private val springSecurityFormLoginPrincipalContextHolder: SpringSecurityFormLoginPrincipalContextHolder,
-    private val getLocalInstanceApplicationService: GetLocalInstanceApplicationService
+    private val getLocalInstanceApplicationService: GetLocalInstanceApplicationService,
+    private val userCreateReactionApplicationService: UserCreateReactionApplicationService,
+    private val userRemoveReactionApplicationService: UserRemoveReactionApplicationService
 ) {
    @GetMapping("/users/{name}/posts/{id}")
    suspend fun postById(@PathVariable id: Long, model: Model): String {
@ -31,4 +38,32 @@ class PostsController(

        return "postById"
    }
+
+    @PostMapping("/users/{name}/posts/{id}/favourite")
+    suspend fun favourite(@PathVariable id: Long, @PathVariable name: String): String {
+        val principal = springSecurityFormLoginPrincipalContextHolder.getPrincipal()
+        userCreateReactionApplicationService.execute(
+            CreateReaction(
+                id,
+                null,
+                "❤"
+            ),
+            principal
+        )
+        return "redirect:/users/$name/posts/$id"
+    }
+
+    @PostMapping("/users/{name}/posts/{id}/unfavourite")
+    suspend fun unfavourite(@PathVariable id: Long, @PathVariable name: String): String {
+        val principal = springSecurityFormLoginPrincipalContextHolder.getPrincipal()
+        userRemoveReactionApplicationService.execute(
+            RemoveReaction(
+                id,
+                null,
+                "❤"
+            ),
+            principal
+        )
+        return "redirect:/users/$name/posts/$id"
+    }
 }
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/query/reactions/ReactionsQueryService.kt
+++ b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/query/reactions/ReactionsQueryService.kt
@ -0,0 +1,9 @@
+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>
+    suspend fun findAllByPostIdIn(postIds: List<PostId>): List<Reactions>
+}
--- a/hideout-core/src/main/resources/db/migration/V1__Init_DB.sql
+++ b/hideout-core/src/main/resources/db/migration/V1__Init_DB.sql
@ -318,4 +318,17 @@ create table if not exists filter_keywords
    keyword   varchar(1000) not null,
    mode      varchar(100)  not null,
    constraint fk_filter_keywords_filter_id__id foreign key (filter_id) references filters (id) on delete cascade on update cascade
-)
+);
+
+create table if not exists reactions
+(
+    id              bigint primary key,
+    post_id         bigint       not null,
+    actor_id        bigint       not null,
+    custom_emoji_id bigint       null,
+    unicode_emoji   varchar(100) not null,
+    created_at      timestamp    not null,
+    constraint fk_reactions_post_id__id foreign key (post_id) references posts (id) on delete cascade on update cascade,
+    constraint fk_reactions_actor_id__id foreign key (actor_id) references actors (id) on delete cascade on update cascade,
+    unique (post_id, actor_id, created_at, unicode_emoji)
+);
--- a/hideout-core/src/main/resources/templates/fragments-post.html
+++ b/hideout-core/src/main/resources/templates/fragments-post.html
@ -44,10 +44,27 @@

 <div class="post-controller" th:fragment="single-post-controller(post)">
    <!--/*@thymesVar id="post" type="dev.usbharu.hideout.core.application.post.PostDetail"*/-->
-    <a th:href="${'/publish?reply_to=' + post.id}">Reply</a>
-    <a th:href="${post.apId}">
-        <time th:datetime="${post.createdAt}" th:text="${#temporals.format(post.createdAt, 'yyyy-MM-dd HH:mm')}"></time>
-    </a>
+    <th:block th:if="${post.favourited}">
+        <form method="post" th:action="@{/users/a/posts/{id}/unfavourite(id=${post.id})}">
+            <a th:href="${'/publish?reply_to=' + post.id}">Reply</a>
+            <input type="submit" value="[❤]">
+            <a th:href="${post.apId}">
+                <time th:datetime="${post.createdAt}"
+                      th:text="${#temporals.format(post.createdAt, 'yyyy-MM-dd HH:mm')}"></time>
+            </a>
+        </form>
+    </th:block>
+    <th:block th:unless="${post.favourited}">
+        <form method="post" th:action="@{/users/a/posts/{id}/favourite(id=${post.id})}">
+            <a th:href="${'/publish?reply_to=' + post.id}">Reply</a>
+            <input type="submit" value="❤">
+            <a th:href="${post.apId}">
+                <time th:datetime="${post.createdAt}"
+                      th:text="${#temporals.format(post.createdAt, 'yyyy-MM-dd HH:mm')}"></time>
+            </a>
+        </form>
+    </th:block>
+
 </div>


--- a/hideout-core/src/test/kotlin/dev/usbharu/hideout/core/domain/model/actor/TestActorFactory.kt
+++ b/hideout-core/src/test/kotlin/dev/usbharu/hideout/core/domain/model/actor/TestActorFactory.kt
@ -1,6 +1,6 @@
 package dev.usbharu.hideout.core.domain.model.actor

-import dev.usbharu.hideout.core.domain.model.emoji.EmojiId
+import dev.usbharu.hideout.core.domain.model.emoji.CustomEmojiId
 import dev.usbharu.hideout.core.domain.model.instance.InstanceId
 import dev.usbharu.hideout.core.domain.model.support.domain.Domain
 import dev.usbharu.hideout.core.infrastructure.other.TwitterSnowflakeIdGenerateService
@ -35,7 +35,7 @@ object TestActorFactory {
        suspend: Boolean = false,
        alsoKnownAs: Set<ActorId> = emptySet(),
        moveTo: Long? = null,
-        emojiIds: Set<EmojiId> = emptySet(),
+        emojiIds: Set<CustomEmojiId> = emptySet(),
        deleted: Boolean = false,
        roles: Set<Role> = emptySet(),
    ): Actor {
--- a/hideout-core/src/test/kotlin/dev/usbharu/hideout/core/domain/model/emoji/CustomEmojiIdTest.kt
+++ b/hideout-core/src/test/kotlin/dev/usbharu/hideout/core/domain/model/emoji/CustomEmojiIdTest.kt
@ -3,18 +3,18 @@ package dev.usbharu.hideout.core.domain.model.emoji
 import org.junit.jupiter.api.Assertions.assertDoesNotThrow
 import org.junit.jupiter.api.Test

-class EmojiIdTest {
+class CustomEmojiIdTest {
    @Test
    fun emojiIdは0以上である必要がある() {
        org.junit.jupiter.api.assertThrows<IllegalArgumentException> {
-            EmojiId(-1)
+            CustomEmojiId(-1)
        }
    }

    @Test
    fun emojiIdは0以上なら設定できる() {
        assertDoesNotThrow {
-            EmojiId(1)
+            CustomEmojiId(1)
        }
    }
 }
--- a/hideout-core/src/test/kotlin/dev/usbharu/hideout/core/domain/model/post/PostTest.kt
+++ b/hideout-core/src/test/kotlin/dev/usbharu/hideout/core/domain/model/post/PostTest.kt
@ -4,7 +4,7 @@ import dev.usbharu.hideout.core.domain.event.post.PostEvent
 import dev.usbharu.hideout.core.domain.model.actor.ActorId
 import dev.usbharu.hideout.core.domain.model.actor.ActorPublicKey
 import dev.usbharu.hideout.core.domain.model.actor.TestActorFactory
-import dev.usbharu.hideout.core.domain.model.emoji.EmojiId
+import dev.usbharu.hideout.core.domain.model.emoji.CustomEmojiId
 import dev.usbharu.hideout.core.domain.model.media.MediaId
 import org.junit.jupiter.api.Assertions.assertTrue
 import org.junit.jupiter.api.Test
@ -447,7 +447,7 @@ class PostTest {
    @Test
    fun `emojiIds hideがtrueの時empty`() {
        val actor = TestActorFactory.create()
-        val emojiIds = listOf(EmojiId(1), EmojiId(2))
+        val emojiIds = listOf(CustomEmojiId(1), CustomEmojiId(2))
        val post = Post.create(
            id = PostId(1),
            actorId = actor.id,
@ -473,7 +473,7 @@ class PostTest {
    @Test
    fun `emojiIds hideがfalseの時中身が返される`() {
        val actor = TestActorFactory.create()
-        val emojiIds = listOf(EmojiId(1), EmojiId(2))
+        val emojiIds = listOf(CustomEmojiId(1), CustomEmojiId(2))
        val post = Post.create(
            id = PostId(1),
            actorId = actor.id,
@ -500,7 +500,7 @@ class PostTest {
        val post = TestPostFactory.create()
        val mediaIds = listOf<MediaId>(MediaId(1))
        val visibleActors = setOf<ActorId>((ActorId(2)))
-        val emojis = listOf<EmojiId>(EmojiId(3))
+        val emojis = listOf<CustomEmojiId>(CustomEmojiId(3))
        val reconstructWith = post.reconstructWith(mediaIds, emojis, visibleActors)

        assertEquals(mediaIds, reconstructWith.mediaIds)
@ -511,7 +511,7 @@ class PostTest {
    @Test
    fun `mediaIds hideがtrueの時emptyが返される`() {
        val actor = TestActorFactory.create()
-        val emojiIds = listOf(EmojiId(1), EmojiId(2))
+        val emojiIds = listOf(CustomEmojiId(1), CustomEmojiId(2))
        val mediaIds = listOf(MediaId(1))
        val post = Post.create(
            id = PostId(1),
@ -538,7 +538,7 @@ class PostTest {
    @Test
    fun `mediaIds hideがfalseの時中身が返される`() {
        val actor = TestActorFactory.create()
-        val emojiIds = listOf(EmojiId(1), EmojiId(2))
+        val emojiIds = listOf(CustomEmojiId(1), CustomEmojiId(2))
        val mediaIds = listOf(MediaId(2))
        val post = Post.create(
            id = PostId(1),
@ -603,7 +603,7 @@ class PostTest {
    fun `restore 指定された引数で再構成されCHECKUPDATEイベントが発生する`() {
        val post = TestPostFactory.create(deleted = true)

-        val postContent = PostContent("aiueo", "aiueo", listOf(EmojiId(1)))
+        val postContent = PostContent("aiueo", "aiueo", listOf(CustomEmojiId(1)))
        val overview = PostOverview("overview")
        val mediaIds = listOf(MediaId(1))
        post.restore(
@ -622,7 +622,7 @@ class PostTest {
    fun deletedがfalseの時失敗する() {
        val post = TestPostFactory.create(deleted = false)

-        val postContent = PostContent("aiueo", "aiueo", listOf(EmojiId(1)))
+        val postContent = PostContent("aiueo", "aiueo", listOf(CustomEmojiId(1)))
        val overview = PostOverview("overview")
        val mediaIds = listOf(MediaId(1))
        assertThrows<IllegalArgumentException> {
--- a/hideout-core/src/test/kotlin/dev/usbharu/hideout/core/infrastructure/emojikt/EmojiKtUnicodeEmojiServiceTest.kt
+++ b/hideout-core/src/test/kotlin/dev/usbharu/hideout/core/infrastructure/emojikt/EmojiKtUnicodeEmojiServiceTest.kt
@ -0,0 +1,16 @@
+package dev.usbharu.hideout.core.infrastructure.emojikt
+
+import org.junit.jupiter.api.Assertions.assertTrue
+import org.junit.jupiter.params.ParameterizedTest
+import org.junit.jupiter.params.provider.ValueSource
+
+class EmojiKtUnicodeEmojiServiceTest {
+
+    @ParameterizedTest
+    @ValueSource(strings = ["❤", "👱", "☠️", "⁉️"])
+    fun 絵文字の判定ができる(s: String) {
+        assertTrue(EmojiKtUnicodeEmojiService().isUnicodeEmoji(s))
+    }
+
+
+}
--- a/hideout-mastodon/src/main/kotlin/dev/usbharu/hideout/mastodon/interfaces/api/SpringStatusApi.kt
+++ b/hideout-mastodon/src/main/kotlin/dev/usbharu/hideout/mastodon/interfaces/api/SpringStatusApi.kt
@ -18,6 +18,10 @@ package dev.usbharu.hideout.mastodon.interfaces.api

 import dev.usbharu.hideout.core.application.post.RegisterLocalPost
 import dev.usbharu.hideout.core.application.post.RegisterLocalPostApplicationService
+import dev.usbharu.hideout.core.application.reaction.CreateReaction
+import dev.usbharu.hideout.core.application.reaction.RemoveReaction
+import dev.usbharu.hideout.core.application.reaction.UserCreateReactionApplicationService
+import dev.usbharu.hideout.core.application.reaction.UserRemoveReactionApplicationService
 import dev.usbharu.hideout.core.domain.model.post.Visibility
 import dev.usbharu.hideout.core.infrastructure.springframework.oauth2.SpringSecurityOauth2PrincipalContextHolder
 import dev.usbharu.hideout.mastodon.application.status.GetStatus
@ -32,7 +36,9 @@ import org.springframework.stereotype.Controller
 class SpringStatusApi(
    private val registerLocalPostApplicationService: RegisterLocalPostApplicationService,
    private val getStatusApplicationService: GetStatusApplicationService,
-    private val principalContextHolder: SpringSecurityOauth2PrincipalContextHolder
+    private val principalContextHolder: SpringSecurityOauth2PrincipalContextHolder,
+    private val userCreateReactionApplicationService: UserCreateReactionApplicationService,
+    private val userRemoveReactionApplicationService: UserRemoveReactionApplicationService
 ) : StatusApi {
    override suspend fun apiV1StatusesIdEmojiReactionsEmojiDelete(id: String, emoji: String): ResponseEntity<Status> =
        super.apiV1StatusesIdEmojiReactionsEmojiDelete(id, emoji)
@ -49,6 +55,20 @@ class SpringStatusApi(
        )
    }

+    override suspend fun apiV1StatusesIdFavouritePost(id: String): ResponseEntity<Status> {
+        val principal = principalContextHolder.getPrincipal()
+
+        userCreateReactionApplicationService.execute(CreateReaction(postId = id.toLong(), null, "❤"), principal)
+        return ResponseEntity.ok(getStatusApplicationService.execute(GetStatus(id), principal))
+    }
+
+    override suspend fun apiV1StatusesIdUnfavouritePost(id: String): ResponseEntity<Status> {
+        val principal = principalContextHolder.getPrincipal()
+
+        userRemoveReactionApplicationService.execute(RemoveReaction(postId = id.toLong(), null, "❤"), principal)
+        return ResponseEntity.ok(getStatusApplicationService.execute(GetStatus(id), principal))
+    }
+
    override suspend fun apiV1StatusesPost(statusesRequest: StatusesRequest): ResponseEntity<Status> {
        val principal = principalContextHolder.getPrincipal()
        val execute = registerLocalPostApplicationService.execute(
--- a/hideout-mastodon/src/main/resources/openapi/mastodon.yaml
+++ b/hideout-mastodon/src/main/resources/openapi/mastodon.yaml
@ -177,6 +177,48 @@ paths:
              schema:
                $ref: "#/components/schemas/Status"

+  /api/v1/statuses/{id}/favourite:
+    post:
+      tags:
+        - status
+      security:
+        - OAuth2:
+            - "write:favourites"
+      parameters:
+        - in: path
+          name: id
+          required: true
+          schema:
+            type: string
+      responses:
+        200:
+          description: 成功
+          content:
+            application/json:
+              schema:
+                $ref: "#/components/schemas/Status"
+
+  /api/v1/statuses/{id}/unfavourite:
+    post:
+      tags:
+        - status
+      security:
+        - OAuth2:
+            - "write:favourites"
+      parameters:
+        - in: path
+          name: id
+          required: true
+          schema:
+            type: string
+      responses:
+        200:
+          description: 成功
+          content:
+            application/json:
+              schema:
+                $ref: "#/components/schemas/Status"
+
  /api/v1/statuses/{id}/emoji_reactions/{emoji}:
    put:
      tags: