feat: アカウント作成時に自動でホームタイムラインを作成するように

hideout-core/src/main/kotlin/dev/usbharu/hideout/core/application/actor/RegisterLocalActorApplicationService.kt

@@ -63,6 +63,9 @@ class RegisterLocalActorApplicationService(
             id = UserDetailId(idGenerateService.generateId()),
             actorId = actor.id,
             password = userDetailDomainService.hashPassword(command.password),
+            autoAcceptFolloweeFollowRequest = false,
+            lastMigration = null,
+            homeTimelineId = null
         )
         userDetailRepository.save(userDetail)
         return actor.url

hideout-core/src/main/kotlin/dev/usbharu/hideout/core/application/domainevent/subscribers/DomainEventSubscriber.kt

@@ -7,4 +7,4 @@ interface DomainEventSubscriber {
     fun <T : DomainEventBody> subscribe(eventName: String, domainEventConsumer: DomainEventConsumer<T>)
 }
 
-typealias DomainEventConsumer<T> = (DomainEvent<T>) -> Unit
+typealias DomainEventConsumer<T> = suspend (DomainEvent<T>) -> Unit

hideout-core/src/main/kotlin/dev/usbharu/hideout/core/application/domainevent/subscribers/TimelineRelationshipFollowSubscriber.kt

@@ -0,0 +1,57 @@
+package dev.usbharu.hideout.core.application.domainevent.subscribers
+
+import dev.usbharu.hideout.core.application.shared.DomainEventCommandExecutor
+import dev.usbharu.hideout.core.application.shared.UserDetailGettableCommandExecutor
+import dev.usbharu.hideout.core.application.timeline.AddTimelineRelationship
+import dev.usbharu.hideout.core.application.timeline.UserAddTimelineRelationshipApplicationService
+import dev.usbharu.hideout.core.domain.event.relationship.RelationshipEvent
+import dev.usbharu.hideout.core.domain.event.relationship.RelationshipEventBody
+import dev.usbharu.hideout.core.domain.model.timelinerelationship.TimelineRelationship
+import dev.usbharu.hideout.core.domain.model.timelinerelationship.TimelineRelationshipId
+import dev.usbharu.hideout.core.domain.model.timelinerelationship.Visible
+import dev.usbharu.hideout.core.domain.model.userdetails.UserDetailRepository
+import dev.usbharu.hideout.core.domain.shared.id.IdGenerateService
+import org.slf4j.LoggerFactory
+import org.springframework.stereotype.Component
+
+@Component
+class TimelineRelationshipFollowSubscriber(
+    private val userAddTimelineRelationshipApplicationService: UserAddTimelineRelationshipApplicationService,
+    private val idGenerateService: IdGenerateService,
+    private val userDetailRepository: UserDetailRepository,
+    domainEventSubscriber: DomainEventSubscriber
+) : Subscriber {
+
+    init {
+        domainEventSubscriber.subscribe<RelationshipEventBody>(RelationshipEvent.FOLLOW.eventName) {
+            val relationship = it.body.getRelationship()
+            val userDetail = userDetailRepository.findByActorId(relationship.actorId.id) ?: throw Exception()
+            if (userDetail.homeTimelineId == null) {
+                logger.warn("Home timeline for ${relationship.actorId} is not found")
+                return@subscribe
+            }
+            userAddTimelineRelationshipApplicationService.execute(
+                AddTimelineRelationship(
+                    TimelineRelationship(
+                        TimelineRelationshipId(idGenerateService.generateId()),
+                        userDetail.homeTimelineId,
+                        relationship.targetActorId,
+                        Visible.FOLLOWERS
+                    )
+                ), DomainEventCommandExecutor("", object : UserDetailGettableCommandExecutor {
+                    override val userDetailId: Long
+                        get() = userDetail.id.id
+                    override val executor: String
+                        get() = userDetail.id.id.toString()
+                })
+            )
+
+
+        }
+    }
+
+    companion object {
+        private val logger = LoggerFactory.getLogger(TimelineRelationshipFollowSubscriber::class.java)
+    }
+
+}

hideout-core/src/main/kotlin/dev/usbharu/hideout/core/application/shared/CommandExecutor.kt

@@ -23,3 +23,8 @@ interface CommandExecutor {
 interface UserDetailGettableCommandExecutor : CommandExecutor {
     val userDetailId: Long
 }
+
+data class DomainEventCommandExecutor(
+    override val executor: String,
+    val commandExecutor: CommandExecutor?
+) : CommandExecutor

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

@@ -0,0 +1,7 @@
+package dev.usbharu.hideout.core.application.timeline
+
+import dev.usbharu.hideout.core.domain.model.timelinerelationship.TimelineRelationship
+
+data class AddTimelineRelationship(
+    val timelineRelationship: TimelineRelationship
+)

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

@@ -0,0 +1,26 @@
+package dev.usbharu.hideout.core.application.timeline
+
+import dev.usbharu.hideout.core.application.shared.AbstractApplicationService
+import dev.usbharu.hideout.core.application.shared.CommandExecutor
+import dev.usbharu.hideout.core.application.shared.Transaction
+import dev.usbharu.hideout.core.domain.model.timelinerelationship.TimelineRelationshipRepository
+import org.slf4j.LoggerFactory
+import org.springframework.stereotype.Service
+
+@Service
+class UserAddTimelineRelationshipApplicationService(
+    private val timelineRelationshipRepository: TimelineRelationshipRepository,
+    transaction: Transaction
+) :
+    AbstractApplicationService<AddTimelineRelationship, Unit>(
+        transaction, logger
+    ) {
+    override suspend fun internalExecute(command: AddTimelineRelationship, executor: CommandExecutor) {
+        timelineRelationshipRepository.save(command.timelineRelationship)
+
+    }
+
+    companion object {
+        private val logger = LoggerFactory.getLogger(UserAddTimelineRelationshipApplicationService::class.java)
+    }
+}

hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/event/relationship/RelationshipEvent.kt

@@ -25,7 +25,11 @@ class RelationshipEventFactory(private val relationship: Relationship) {
         DomainEvent.create(relationshipEvent.eventName, RelationshipEventBody(relationship))
 }
 
-class RelationshipEventBody(relationship: Relationship) : DomainEventBody(mapOf("relationship" to relationship))
+class RelationshipEventBody(relationship: Relationship) : DomainEventBody(mapOf("relationship" to relationship)) {
+    fun getRelationship(): Relationship {
+        return toMap()["relationship"] as Relationship
+    }
+}
 
 enum class RelationshipEvent(val eventName: String) {
     FOLLOW("RelationshipFollow"),

hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/userdetails/UserDetail.kt

@@ -17,6 +17,7 @@
 package dev.usbharu.hideout.core.domain.model.userdetails
 
 import dev.usbharu.hideout.core.domain.model.actor.ActorId
+import dev.usbharu.hideout.core.domain.model.timeline.TimelineId
 import java.time.Instant
 
 class UserDetail private constructor(
@@ -25,6 +26,7 @@ class UserDetail private constructor(
     var password: UserDetailHashedPassword,
     var autoAcceptFolloweeFollowRequest: Boolean,
     var lastMigration: Instant? = null,
+    val homeTimelineId: TimelineId?
 ) {
 
     override fun equals(other: Any?): Boolean {
@@ -45,13 +47,15 @@ class UserDetail private constructor(
             password: UserDetailHashedPassword,
             autoAcceptFolloweeFollowRequest: Boolean = false,
             lastMigration: Instant? = null,
+            homeTimelineId: TimelineId?
         ): UserDetail {
             return UserDetail(
                 id,
                 actorId,
                 password,
                 autoAcceptFolloweeFollowRequest,
-                lastMigration
+                lastMigration,
+                homeTimelineId
             )
         }
     }

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

@@ -17,6 +17,7 @@
 package dev.usbharu.hideout.core.infrastructure.exposedrepository
 
 import dev.usbharu.hideout.core.domain.model.actor.ActorId
+import dev.usbharu.hideout.core.domain.model.timeline.TimelineId
 import dev.usbharu.hideout.core.domain.model.userdetails.UserDetail
 import dev.usbharu.hideout.core.domain.model.userdetails.UserDetailHashedPassword
 import dev.usbharu.hideout.core.domain.model.userdetails.UserDetailId
@@ -64,13 +65,7 @@ class UserDetailRepositoryImpl : UserDetailRepository, AbstractRepository() {
             .selectAll().where { UserDetails.actorId eq actorId }
             .singleOrNull()
             ?.let {
-                UserDetail.create(
+                userDetail(it)
-                    UserDetailId(it[UserDetails.id]),
-                    ActorId(it[UserDetails.actorId]),
-                    UserDetailHashedPassword(it[UserDetails.password]),
-                    it[UserDetails.autoAcceptFolloweeFollowRequest],
-                    it[UserDetails.lastMigration]
-                )
             }
     }
 
@@ -79,13 +74,7 @@ class UserDetailRepositoryImpl : UserDetailRepository, AbstractRepository() {
             .selectAll().where { UserDetails.id eq id }
             .singleOrNull()
             ?.let {
-                UserDetail.create(
+                userDetail(it)
-                    UserDetailId(it[UserDetails.id]),
-                    ActorId(it[UserDetails.actorId]),
-                    UserDetailHashedPassword(it[UserDetails.password]),
-                    it[UserDetails.autoAcceptFolloweeFollowRequest],
-                    it[UserDetails.lastMigration]
-                )
             }
     }
 
@@ -95,16 +84,19 @@ class UserDetailRepositoryImpl : UserDetailRepository, AbstractRepository() {
                 .selectAll()
                 .where { UserDetails.id inList idList.map { it.id } }
                 .map {
-                    UserDetail.create(
+                    userDetail(it)
+                }
+        }
+    }
+
+    private fun userDetail(it: ResultRow) = UserDetail.create(
         UserDetailId(it[UserDetails.id]),
         ActorId(it[UserDetails.actorId]),
         UserDetailHashedPassword(it[UserDetails.password]),
         it[UserDetails.autoAcceptFolloweeFollowRequest],
-                        it[UserDetails.lastMigration]
+        it[UserDetails.lastMigration],
+        it[UserDetails.homeTimelineId]?.let { it1 -> TimelineId(it1) }
     )
-                }
-        }
-    }
 
     companion object {
         private val logger = LoggerFactory.getLogger(UserDetailRepositoryImpl::class.java)
@@ -117,5 +109,6 @@ object UserDetails : Table("user_details") {
     val password = varchar("password", 255)
     val autoAcceptFolloweeFollowRequest = bool("auto_accept_followee_follow_request")
     val lastMigration = timestamp("last_migration").nullable()
+    val homeTimelineId = long("home_timeline_id").references(Timelines.id).nullable()
     override val primaryKey: PrimaryKey = PrimaryKey(id)
 }

hideout-core/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/springframework/domainevent/SpringFrameworkDomainEventSubscriber.kt

@@ -17,7 +17,7 @@ class SpringFrameworkDomainEventSubscriber : DomainEventSubscriber {
     }
 
     @EventListener
-    fun onDomainEventPublished(domainEvent: DomainEvent<*>) {
+    suspend fun onDomainEventPublished(domainEvent: DomainEvent<*>) {
         map[domainEvent.name]?.forEach {
             try {
                 it.invoke(domainEvent)