refactor: Mastodon APIでAccountの箇所を修正

src/main/kotlin/dev/usbharu/hideout/core/domain/model/actor/Actor.kt

@@ -52,10 +52,10 @@ data class Actor private constructor(
             followers: String? = null,
             instance: Long? = null,
             locked: Boolean,
-            followersCount: Int,
+            followersCount: Int = 0,
-            followingCount: Int,
+            followingCount: Int = 0,
-            postsCount: Int,
+            postsCount: Int = 0,
-            lastPostDate: Instant?
+            lastPostDate: Instant? = null
         ): Actor {
             // idは0未満ではいけない
             require(id >= 0) { "id must be greater than or equal to 0." }

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

@@ -2,6 +2,7 @@ package dev.usbharu.hideout.core.service.post
 
 import dev.usbharu.hideout.activitypub.service.activity.create.ApSendCreateService
 import dev.usbharu.hideout.core.domain.exception.UserNotFoundException
+import dev.usbharu.hideout.core.domain.model.actor.Actor
 import dev.usbharu.hideout.core.domain.model.actor.ActorRepository
 import dev.usbharu.hideout.core.domain.model.post.Post
 import dev.usbharu.hideout.core.domain.model.post.PostRepository
@@ -35,7 +36,9 @@ class PostServiceImpl(
 
     override suspend fun createRemote(post: Post): Post {
         logger.info("START Create Remote Post user: {}, remote url: {}", post.actorId, post.apId)
-        val createdPost = internalCreate(post, false)
+        val actor =
+            actorRepository.findById(post.actorId) ?: throw UserNotFoundException("${post.actorId} was not found.")
+        val createdPost = internalCreate(post, false, actor)
         logger.info("SUCCESS Create Remote Post url: {}", createdPost.url)
         return createdPost
     }
@@ -46,6 +49,10 @@ class PostServiceImpl(
         }
         reactionRepository.deleteByPostId(post.id)
         postRepository.save(post.delete())
+        val actor = actorRepository.findById(post.actorId)
+            ?: throw IllegalStateException("actor: ${post.actorId} was not found.")
+
+        actorRepository.save(actor.decrementPostsCount())
     }
 
     override suspend fun deleteRemote(post: Post) {
@@ -54,17 +61,28 @@ class PostServiceImpl(
         }
         reactionRepository.deleteByPostId(post.id)
         postRepository.save(post.delete())
+
+        val actor = actorRepository.findById(post.actorId)
+            ?: throw IllegalStateException("actor: ${post.actorId} was not found.")
+
+        actorRepository.save(actor.decrementPostsCount())
     }
 
     override suspend fun deleteByActor(actorId: Long) {
         postQueryService.findByActorId(actorId).filterNot { it.delted }.forEach { postRepository.save(it.delete()) }
+
+        val actor = actorRepository.findById(actorId)
+            ?: throw IllegalStateException("actor: ${actorId} was not found.")
+
+        actorRepository.save(actor.copy(postsCount = 0, lastPostDate = null))
     }
 
-    private suspend fun internalCreate(post: Post, isLocal: Boolean): Post {
+    private suspend fun internalCreate(post: Post, isLocal: Boolean, actor: Actor): Post {
         return try {
             if (postRepository.save(post)) {
                 try {
                     timelineService.publishTimeline(post, isLocal)
+                    actorRepository.save(actor.incrementPostsCount())
                 } catch (e: DuplicateKeyException) {
                     logger.trace("Timeline already exists.", e)
                 }
@@ -91,7 +109,7 @@ class PostServiceImpl(
             replyId = post.repolyId,
             repostId = post.repostId,
         )
-        return internalCreate(createPost, isLocal)
+        return internalCreate(createPost, isLocal, user)
     }
 
     companion object {

src/main/kotlin/dev/usbharu/hideout/mastodon/infrastructure/exposedquery/AccountQueryServiceImpl.kt

@@ -2,81 +2,35 @@ package dev.usbharu.hideout.mastodon.infrastructure.exposedquery
 
 import dev.usbharu.hideout.application.config.ApplicationConfig
 import dev.usbharu.hideout.core.domain.exception.FailedToGetResourcesException
-import dev.usbharu.hideout.core.domain.model.relationship.Relationships
 import dev.usbharu.hideout.core.infrastructure.exposedrepository.Actors
-import dev.usbharu.hideout.core.infrastructure.exposedrepository.Posts
 import dev.usbharu.hideout.domain.mastodon.model.generated.Account
 import dev.usbharu.hideout.mastodon.query.AccountQueryService
 import dev.usbharu.hideout.util.singleOr
-import org.jetbrains.exposed.sql.*
+import org.jetbrains.exposed.sql.ResultRow
-import org.jetbrains.exposed.sql.SqlExpressionBuilder.eq
+import org.jetbrains.exposed.sql.select
 import org.springframework.stereotype.Repository
 import java.time.Instant
 
 @Repository
 class AccountQueryServiceImpl(private val applicationConfig: ApplicationConfig) : AccountQueryService {
     override suspend fun findById(accountId: Long): Account {
-        val followingCount = Count(Relationships.actorId.eq(Actors.id), true).alias("following_count")
+
-        val followersCount = Count(Relationships.targetActorId.eq(Actors.id), true).alias("followers_count")
+        val query = Actors.select { Actors.id eq accountId }
-        val postsCount = Posts.id.countDistinct().alias("posts_count")
-        val lastCreated = Posts.createdAt.max().alias("last_created")
-        val query = Actors
-            .join(Relationships, JoinType.LEFT) {
-                Actors.id eq Relationships.actorId or (Actors.id eq Relationships.targetActorId)
-            }
-            .leftJoin(Posts)
-            .slice(
-                followingCount,
-                followersCount,
-                *(Actors.realFields.toTypedArray()),
-                lastCreated,
-                postsCount
-            )
-            .select {
-                (Actors.id.eq(accountId)).and(
-                    Relationships.following.eq(true).or(Relationships.following.isNull())
-                )
-            }
-            .groupBy(Actors.id)
 
         return query
             .singleOr { FailedToGetResourcesException("accountId: $accountId wad not exist or duplicate", it) }
-            .let { toAccount(it, followingCount, followersCount, postsCount, lastCreated) }
+            .let { toAccount(it) }
     }
 
     override suspend fun findByIds(accountIds: List<Long>): List<Account> {
-        val followingCount = Count(Relationships.actorId.eq(Actors.id), true).alias("following_count")
+        val query = Actors.select { Actors.id inList accountIds }
-        val followersCount = Count(Relationships.targetActorId.eq(Actors.id), true).alias("followers_count")
-        val postsCount = Posts.id.countDistinct().alias("posts_count")
-        val lastCreated = Posts.createdAt.max().alias("last_created")
-        val query = Actors
-            .join(Relationships, JoinType.LEFT) {
-                Actors.id eq Relationships.actorId or (Actors.id eq Relationships.targetActorId)
-            }
-            .leftJoin(Posts)
-            .slice(
-                followingCount,
-                followersCount,
-                *(Actors.realFields.toTypedArray()),
-                lastCreated,
-                postsCount
-            )
-            .select {
-                Actors.id.inList(accountIds)
-                    .and(Relationships.following.eq(true).or(Relationships.following.isNull()))
-            }
-            .groupBy(Actors.id)
 
         return query
-            .map { toAccount(it, followingCount, followersCount, postsCount, lastCreated) }
+            .map { toAccount(it) }
     }
 
     private fun toAccount(
-        resultRow: ResultRow,
+        resultRow: ResultRow
-        followingCount: ExpressionAlias<Long>,
-        followersCount: ExpressionAlias<Long>,
-        postsCount: ExpressionAlias<Long>,
-        lastCreated: ExpressionAlias<Long?>
     ): Account {
         val userUrl = "${applicationConfig.url}/users/${resultRow[Actors.id]}"
 
@@ -98,10 +52,10 @@ class AccountQueryServiceImpl(private val applicationConfig: ApplicationConfig)
             group = false,
             discoverable = true,
             createdAt = Instant.ofEpochMilli(resultRow[Actors.createdAt]).toString(),
-            lastStatusAt = resultRow[lastCreated]?.let { Instant.ofEpochMilli(it).toString() },
+            lastStatusAt = resultRow[Actors.lastPostAt]?.toString(),
-            statusesCount = resultRow[postsCount].toInt(),
+            statusesCount = resultRow[Actors.postsCount],
-            followersCount = resultRow[followersCount].toInt(),
+            followersCount = resultRow[Actors.followersCount],
-            followingCount = resultRow[followingCount].toInt(),
+            followingCount = resultRow[Actors.followingCount],
         )
     }
 }

src/main/kotlin/dev/usbharu/hideout/mastodon/infrastructure/exposedquery/StatusQueryServiceImpl.kt

@@ -151,17 +151,17 @@ private fun toStatus(it: ResultRow) = Status(
         avatarStatic = it[Actors.url] + "/icon.jpg",
         header = it[Actors.url] + "/header.jpg",
         headerStatic = it[Actors.url] + "/header.jpg",
-        locked = false,
+        locked = it[Actors.locked],
         fields = emptyList(),
         emojis = emptyList(),
         bot = false,
         group = false,
         discoverable = true,
         createdAt = Instant.ofEpochMilli(it[Actors.createdAt]).toString(),
-        lastStatusAt = Instant.ofEpochMilli(it[Actors.createdAt]).toString(),
+        lastStatusAt = it[Actors.lastPostAt]?.toString(),
-        statusesCount = 0,
+        statusesCount = it[Actors.postsCount],
-        followersCount = 0,
+        followersCount = it[Actors.followersCount],
-        followingCount = 0,
+        followingCount = it[Actors.followingCount],
         noindex = false,
         moved = false,
         suspendex = false,

src/main/resources/db/migration/V1__Init_DB.sql

@@ -31,6 +31,10 @@ create table if not exists actors
     followers       varchar(1000)  null,
     "instance"      bigint         null,
     locked          boolean        not null,
+    following_count int            not null,
+    followers_count int            not null,
+    posts_count     int            not null,
+    last_post_at    timestamp      null default null,
     unique ("name", "domain"),
     constraint fk_actors_instance__id foreign key ("instance") references instance (id) on delete restrict on update restrict
 );
@@ -200,8 +204,9 @@ create table if not exists relationships
 );
 
 insert into actors (id, name, domain, screen_name, description, inbox, outbox, url, public_key, private_key, created_at,
-                    key_id, following, followers, instance, locked)
+                    key_id, following, followers, instance, locked, following_count, followers_count, posts_count,
-values (0, 'ghost', '', '', '', '', '', '', '', null, 0, '', '', '', null, true);
+                    last_post_at)
+values (0, 'ghost', '', '', '', '', '', '', '', null, 0, '', '', '', null, true, 0, 0, 0, null);
 
 create table if not exists deleted_actors
 (