feat: アカウント削除をすることができるように

src/main/kotlin/dev/usbharu/hideout/activitypub/service/activity/delete/APSendDeleteService.kt

@@ -2,7 +2,9 @@ package dev.usbharu.hideout.activitypub.service.activity.delete
 
 import dev.usbharu.hideout.activitypub.domain.model.Delete
 import dev.usbharu.hideout.activitypub.domain.model.Tombstone
+import dev.usbharu.hideout.activitypub.domain.model.objects.ObjectValue
 import dev.usbharu.hideout.application.config.ApplicationConfig
+import dev.usbharu.hideout.core.domain.model.actor.Actor
 import dev.usbharu.hideout.core.domain.model.post.Post
 import dev.usbharu.hideout.core.external.job.DeliverDeleteJob
 import dev.usbharu.hideout.core.external.job.DeliverDeleteJobParam
@@ -14,6 +16,7 @@ import java.time.Instant
 
 interface APSendDeleteService {
     suspend fun sendDeleteNote(deletedPost: Post)
+    suspend fun sendDeleteActor(deletedActor: Actor)
 }
 
 @Service
@@ -47,4 +50,23 @@ class APSendDeleteServiceImpl(
         }
     }
 
+    override suspend fun sendDeleteActor(deletedActor: Actor) {
+        val followers = followerQueryService.findFollowersById(deletedActor.id)
+
+        val delete = Delete(
+            actor = deletedActor.url,
+            `object` = ObjectValue(emptyList(), `object` = deletedActor.url),
+            id = "${applicationConfig.url}/delete/actor/${deletedActor.id}",
+            published = Instant.now().toString()
+        )
+
+        followers.forEach {
+            DeliverDeleteJobParam(
+                delete = delete,
+                it.inbox,
+                deletedActor.id
+            )
+        }
+    }
+
 }

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

@@ -33,4 +33,8 @@ class PostQueryServiceImpl(
             .select { Posts.apId eq string }
             .let(postQueryMapper::map)
             .singleOr { FailedToGetResourcesException("apId: $string is duplicate or does not exist.", it) }
+
+    override suspend fun findByActorId(actorId: Long): List<Post> {
+        return Posts.leftJoin(PostsMedia).select { Posts.actorId eq actorId }.let(postQueryMapper::map)
+    }
 }

src/main/kotlin/dev/usbharu/hideout/core/query/PostQueryService.kt

@@ -8,4 +8,5 @@ interface PostQueryService {
     suspend fun findById(id: Long): Post
     suspend fun findByUrl(url: String): Post
     suspend fun findByApId(string: String): Post
+    suspend fun findByActorId(actorId: Long): List<Post>
 }

src/main/kotlin/dev/usbharu/hideout/core/service/post/PostService.kt

@@ -9,4 +9,5 @@ interface PostService {
     suspend fun createRemote(post: Post): Post
     suspend fun deleteLocal(post: Post)
     suspend fun deleteRemote(post: Post)
+    suspend fun deleteByActor(actorId: Long)
 }

src/main/kotlin/dev/usbharu/hideout/core/service/post/PostServiceImpl.kt

@@ -56,6 +56,10 @@ class PostServiceImpl(
         postRepository.save(post.delete())
     }
 
+    override suspend fun deleteByActor(actorId: Long) {
+        postQueryService.findByActorId(actorId).filterNot { it.delted }.forEach { postRepository.save(it.delete()) }
+    }
+
     private suspend fun internalCreate(post: Post, isLocal: Boolean): Post {
         return try {
             if (postRepository.save(post)) {

src/main/kotlin/dev/usbharu/hideout/core/service/user/UserServiceImpl.kt

@@ -1,5 +1,6 @@
 package dev.usbharu.hideout.core.service.user
 
+import dev.usbharu.hideout.activitypub.service.activity.delete.APSendDeleteService
 import dev.usbharu.hideout.application.config.ApplicationConfig
 import dev.usbharu.hideout.core.domain.exception.FailedToGetResourcesException
 import dev.usbharu.hideout.core.domain.model.actor.Actor
@@ -13,6 +14,7 @@ import dev.usbharu.hideout.core.domain.model.userdetails.UserDetailRepository
 import dev.usbharu.hideout.core.query.ActorQueryService
 import dev.usbharu.hideout.core.query.DeletedActorQueryService
 import dev.usbharu.hideout.core.service.instance.InstanceService
+import dev.usbharu.hideout.core.service.post.PostService
 import org.jetbrains.exposed.exceptions.ExposedSQLException
 import org.slf4j.LoggerFactory
 import org.springframework.stereotype.Service
@@ -31,7 +33,9 @@ class UserServiceImpl(
     private val deletedActorRepository: DeletedActorRepository,
     private val deletedActorQueryService: DeletedActorQueryService,
     private val reactionRepository: ReactionRepository,
-    private val relationshipRepository: RelationshipRepository
+    private val relationshipRepository: RelationshipRepository,
+    private val postService: PostService,
+    private val apSendDeleteService: APSendDeleteService
 
 ) :
     UserService {
@@ -149,11 +153,33 @@ class UserServiceImpl(
 
         reactionRepository.deleteByActorId(actorId)
 
+        postService.deleteByActor(actorId)
+
+        actorRepository.delete(actor.id)
         deletedActorRepository.save(deletedActor)
     }
 
     override suspend fun deleteLocalUser(userId: Long) {
-        TODO("Not yet implemented")
+        val actor = actorQueryService.findById(userId)
+        apSendDeleteService.sendDeleteActor(actor)
+        val deletedActor = DeletedActor(
+            actor.id,
+            actor.name,
+            actor.domain,
+            actor.publicKey,
+            Instant.now()
+        )
+        relationshipRepository.deleteByActorIdOrTargetActorId(userId, userId)
+
+        reactionRepository.deleteByActorId(actor.id)
+
+        postService.deleteByActor(actor.id)
+        actorRepository.delete(actor.id)
+        val userDetail =
+            userDetailRepository.findByActorId(actor.id) ?: throw IllegalStateException("user detail not found.")
+        userDetailRepository.delete(userDetail)
+        deletedActorRepository.save(deletedActor)
+
     }
 
     companion object {