feat: Likeを受け取れるように

src/main/kotlin/dev/usbharu/hideout/domain/model/ap/Emoji.kt

@@ -0,0 +1,41 @@
+package dev.usbharu.hideout.domain.model.ap
+
+open class Emoji : Object {
+    var updated: String? = null
+    var icon: Image? = null
+
+    protected constructor() : super()
+    constructor(type: List<String>,
+                name: String?,
+                actor: String?,
+                id: String?,
+                updated: String?,
+                icon: Image?) : super(
+            type = add(type, "Emoji"),
+            name = name,
+            actor = actor,
+            id = id) {
+        this.updated = updated
+        this.icon = icon
+    }
+
+    override fun equals(other: Any?): Boolean {
+        if (this === other) return true
+        if (other !is Emoji) return false
+        if (!super.equals(other)) return false
+
+        if (updated != other.updated) return false
+        return icon == other.icon
+    }
+
+    override fun hashCode(): Int {
+        var result = super.hashCode()
+        result = 31 * result + (updated?.hashCode() ?: 0)
+        result = 31 * result + (icon?.hashCode() ?: 0)
+        return result
+    }
+
+    override fun toString(): String = "Emoji(updated=$updated, icon=$icon) ${super.toString()}"
+
+
+}

src/main/kotlin/dev/usbharu/hideout/domain/model/ap/Like.kt

@@ -0,0 +1,51 @@
+package dev.usbharu.hideout.domain.model.ap
+
+import com.fasterxml.jackson.databind.annotation.JsonDeserialize
+
+open class Like : Object {
+    var `object`: String? = null
+    var content: String? = null
+
+    @JsonDeserialize(contentUsing = ObjectDeserializer::class)
+    var tag: List<Object> = emptyList()
+
+    protected constructor() : super()
+    constructor(type: List<String>,
+                name: String?,
+                actor: String?,
+                id: String?,
+                `object`: String?,
+                content: String?,
+                tag: List<Object>
+    ) : super(
+            type = add(type, "Like"),
+            name = name,
+            actor = actor,
+            id = id) {
+        this.`object` = `object`
+        this.content = content
+        this.tag = tag
+    }
+
+    override fun equals(other: Any?): Boolean {
+        if (this === other) return true
+        if (other !is Like) return false
+        if (!super.equals(other)) return false
+
+        if (`object` != other.`object`) return false
+        if (content != other.content) return false
+        return tag == other.tag
+    }
+
+    override fun hashCode(): Int {
+        var result = super.hashCode()
+        result = 31 * result + (`object`?.hashCode() ?: 0)
+        result = 31 * result + (content?.hashCode() ?: 0)
+        result = 31 * result + tag.hashCode()
+        return result
+    }
+
+    override fun toString(): String = "Like(`object`=$`object`, content=$content, tag=$tag) ${super.toString()}"
+
+
+}

src/main/kotlin/dev/usbharu/hideout/domain/model/ap/ObjectDeserializer.kt

@@ -42,7 +42,7 @@ class ObjectDeserializer : JsonDeserializer<Object>() {
                 }
 
                 else -> {
-                    TODO()
+                    TODO("$activityType is not implementation")
                 }
             }
         } else {

src/main/kotlin/dev/usbharu/hideout/domain/model/hideout/entity/Reaction.kt

@@ -0,0 +1,3 @@
+package dev.usbharu.hideout.domain.model.hideout.entity
+
+data class Reaction(val id: Long, val emojiId: Long, val postId: Long, val userId: Long)

src/main/kotlin/dev/usbharu/hideout/repository/ReactionRepository.kt

@@ -0,0 +1,8 @@
+package dev.usbharu.hideout.repository
+
+import dev.usbharu.hideout.domain.model.hideout.entity.Reaction
+
+interface ReactionRepository {
+    suspend fun generateId(): Long
+    suspend fun save(reaction: Reaction): Reaction
+}

src/main/kotlin/dev/usbharu/hideout/repository/ReactionRepositoryImpl.kt

@@ -0,0 +1,64 @@
+package dev.usbharu.hideout.repository
+
+import dev.usbharu.hideout.domain.model.hideout.entity.Reaction
+import dev.usbharu.hideout.service.core.IdGenerateService
+import kotlinx.coroutines.Dispatchers
+import org.jetbrains.exposed.dao.id.LongIdTable
+import org.jetbrains.exposed.sql.*
+import org.jetbrains.exposed.sql.transactions.experimental.newSuspendedTransaction
+import org.jetbrains.exposed.sql.transactions.transaction
+import org.koin.core.annotation.Single
+
+@Single
+class ReactionRepositoryImpl(private val database: Database, private val idGenerateService: IdGenerateService) : ReactionRepository {
+
+    init {
+        transaction(database) {
+            SchemaUtils.create(Reactions)
+            SchemaUtils.createMissingTablesAndColumns(Reactions)
+        }
+    }
+
+
+    @Suppress("InjectDispatcher")
+    suspend fun <T> query(block: suspend () -> T): T =
+            newSuspendedTransaction(Dispatchers.IO) { block() }
+
+    override suspend fun generateId(): Long = idGenerateService.generateId()
+
+    override suspend fun save(reaction: Reaction): Reaction {
+        query {
+            if (Reactions.select { Reactions.id eq reaction.id }.empty()) {
+                Reactions.insert {
+                    it[id] = reaction.id
+                    it[emojiId] = reaction.emojiId
+                    it[postId] = reaction.postId
+                    it[userId] = reaction.postId
+                }
+            } else {
+                Reactions.update({ Reactions.id eq reaction.id }) {
+                    it[emojiId] = reaction.emojiId
+                    it[postId] = reaction.postId
+                    it[userId] = reaction.postId
+
+                }
+            }
+        }
+        return reaction
+    }
+}
+
+fun ResultRow.toReaction(): Reaction {
+    return Reaction(
+            this[Reactions.id].value,
+            this[Reactions.emojiId],
+            this[Reactions.postId],
+            this[Reactions.userId]
+    )
+}
+
+object Reactions : LongIdTable("reactions") {
+    val emojiId = long("emoji_id")
+    val postId = long("post_id").references(Posts.id)
+    val userId = long("user_id").references(Users.id)
+}

src/main/kotlin/dev/usbharu/hideout/service/activitypub/ActivityPubLikeService.kt

@@ -0,0 +1,8 @@
+package dev.usbharu.hideout.service.activitypub
+
+import dev.usbharu.hideout.domain.model.ActivityPubResponse
+import dev.usbharu.hideout.domain.model.ap.Like
+
+interface ActivityPubLikeService {
+    suspend fun receiveLike(like: Like): ActivityPubResponse
+}

src/main/kotlin/dev/usbharu/hideout/service/activitypub/ActivityPubLikeServiceImpl.kt

@@ -0,0 +1,35 @@
+package dev.usbharu.hideout.service.activitypub
+
+import dev.usbharu.hideout.domain.model.ActivityPubResponse
+import dev.usbharu.hideout.domain.model.ActivityPubStringResponse
+import dev.usbharu.hideout.domain.model.ap.Like
+import dev.usbharu.hideout.exception.PostNotFoundException
+import dev.usbharu.hideout.exception.ap.IllegalActivityPubObjectException
+import dev.usbharu.hideout.repository.IPostRepository
+import dev.usbharu.hideout.service.reaction.IReactionService
+import dev.usbharu.hideout.service.user.IUserService
+import io.ktor.http.*
+import org.koin.core.annotation.Single
+
+
+@Single
+class ActivityPubLikeServiceImpl(private val reactionService: IReactionService,
+                                 private val activityPubUserService: ActivityPubUserService,
+                                 private val userService: IUserService,
+                                 private val postService: IPostRepository) : ActivityPubLikeService {
+    override suspend fun receiveLike(like: Like): ActivityPubResponse {
+        val actor = like.actor ?: throw IllegalActivityPubObjectException("actor is null")
+        val content = like.content ?: throw IllegalActivityPubObjectException("content is null")
+        like.`object` ?: throw IllegalActivityPubObjectException("object is null")
+        val person = activityPubUserService.fetchPerson(actor)
+
+        val user = userService.findByUrl(person.url
+                ?: throw IllegalActivityPubObjectException("actor is not found"))
+
+        val post = postService.findByUrl(like.`object`!!)
+                ?: throw PostNotFoundException("${like.`object`} was not found")
+
+        reactionService.receiveReaction(content, actor.substringAfter("://").substringBefore("/"), user.id, post.id)
+        return ActivityPubStringResponse(HttpStatusCode.OK, "")
+    }
+}

src/main/kotlin/dev/usbharu/hideout/service/activitypub/ActivityPubServiceImpl.kt

@@ -21,7 +21,8 @@ class ActivityPubServiceImpl(
         private val activityPubNoteService: ActivityPubNoteService,
         private val activityPubUndoService: ActivityPubUndoService,
         private val activityPubAcceptService: ActivityPubAcceptService,
-    private val activityPubCreateService: ActivityPubCreateService
+        private val activityPubCreateService: ActivityPubCreateService,
+        private val activityPubLikeService: ActivityPubLikeService
 ) : ActivityPubService {
 
     val logger: Logger = LoggerFactory.getLogger(this::class.java)
@@ -53,6 +54,7 @@ class ActivityPubServiceImpl(
             )
 
             ActivityType.Create -> activityPubCreateService.receiveCreate(configData.objectMapper.readValue(json))
+            ActivityType.Like -> activityPubLikeService.receiveLike(configData.objectMapper.readValue(json))
             ActivityType.Undo -> activityPubUndoService.receiveUndo(configData.objectMapper.readValue(json))
 
             else -> {

src/main/kotlin/dev/usbharu/hideout/service/reaction/IReactionService.kt

@@ -0,0 +1,5 @@
+package dev.usbharu.hideout.service.reaction
+
+interface IReactionService {
+    suspend fun receiveReaction(name: String, domain: String, userId: Long, postId: Long)
+}

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

@@ -0,0 +1,18 @@
+package dev.usbharu.hideout.service.reaction
+
+import dev.usbharu.hideout.domain.model.hideout.entity.Reaction
+import dev.usbharu.hideout.repository.ReactionRepository
+import org.koin.core.annotation.Single
+
+@Single
+class ReactionServiceImpl(private val reactionRepository: ReactionRepository) : IReactionService {
+    override suspend fun receiveReaction(name: String, domain: String, userId: Long, postId: Long) {
+        reactionRepository.save(
+                Reaction(
+                        reactionRepository.generateId(),
+                        0,
+                        postId, userId
+                )
+        )
+    }
+}