feat: フォローを外したときにホームタイムラインから自動で外れるように

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

@@ -5,24 +5,20 @@ 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,
     private val domainEventSubscriber: DomainEventSubscriber
 ) : Subscriber {
 
     override fun init() {
-        domainEventSubscriber.subscribe<RelationshipEventBody>(RelationshipEvent.FOLLOW.eventName) {
+        domainEventSubscriber.subscribe<RelationshipEventBody>(RelationshipEvent.ACCEPT_FOLLOW.eventName) {
             val relationship = it.body.getRelationship()
             val userDetail = userDetailRepository.findByActorId(relationship.actorId.id)
                 ?: throw InternalServerException("Userdetail ${relationship.actorId} not found by actorid.")
@@ -34,12 +30,9 @@ class TimelineRelationshipFollowSubscriber(
             @Suppress("UnsafeCallOnNullableType")
             userAddTimelineRelationshipApplicationService.execute(
                 AddTimelineRelationship(
-                    TimelineRelationship(
-                        TimelineRelationshipId(idGenerateService.generateId()),
-                        userDetail.homeTimelineId!!,
-                        relationship.targetActorId,
-                        Visible.FOLLOWERS
-                    )
+                    userDetail.homeTimelineId!!,
+                    relationship.targetActorId,
+                    Visible.FOLLOWERS
                 ),
                 it.body.principal
             )

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

@@ -0,0 +1,46 @@
+package dev.usbharu.hideout.core.application.domainevent.subscribers
+
+import dev.usbharu.hideout.core.application.timeline.RemoveTimelineRelationship
+import dev.usbharu.hideout.core.application.timeline.UserRemoveTimelineRelationshipApplicationService
+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.TimelineRelationshipRepository
+import dev.usbharu.hideout.core.domain.model.userdetails.UserDetailRepository
+import org.slf4j.LoggerFactory
+import org.springframework.stereotype.Component
+
+@Component
+class TimelineRelationshipUnfollowSubscriber(
+    private val domainEventSubscriber: DomainEventSubscriber,
+    private val userRemoveTimelineRelationshipApplicationService: UserRemoveTimelineRelationshipApplicationService,
+    private val userDetailRepository: UserDetailRepository,
+    private val timelineRelationshipRepository: TimelineRelationshipRepository,
+) : Subscriber {
+    override fun init() {
+        domainEventSubscriber.subscribe<RelationshipEventBody>(RelationshipEvent.UNFOLLOW.eventName) {
+            val relationship = it.body.getRelationship()
+            val userDetail = userDetailRepository.findByActorId(relationship.actorId.id) ?: throw IllegalStateException(
+                "UserDetail ${relationship.actorId} not found by actorId."
+            )
+            if (userDetail.homeTimelineId == null) {
+                logger.warn("HomeTimeline for ${userDetail.id} not found.")
+                return@subscribe
+            }
+
+            val timelineRelationship = timelineRelationshipRepository.findByTimelineIdAndActorId(
+                userDetail.homeTimelineId!!,
+                relationship.targetActorId
+            )
+                ?: throw IllegalStateException("TimelineRelationship ${userDetail.homeTimelineId} to ${relationship.targetActorId} not found by timelineId and ActorId")
+
+            userRemoveTimelineRelationshipApplicationService.execute(
+                RemoveTimelineRelationship(timelineRelationship.id),
+                it.body.principal
+            )
+        }
+    }
+
+    companion object {
+        private val logger = LoggerFactory.getLogger(TimelineRelationshipUnfollowSubscriber::class.java)
+    }
+}

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

@@ -1,7 +1,11 @@
 package dev.usbharu.hideout.core.application.timeline
 
-import dev.usbharu.hideout.core.domain.model.timelinerelationship.TimelineRelationship
+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.timelinerelationship.Visible
 
 data class AddTimelineRelationship(
-    val timelineRelationship: TimelineRelationship
+    val timelineId: TimelineId,
+    val actorId: ActorId,
+    val visible: Visible
 )

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

@@ -0,0 +1,5 @@
+package dev.usbharu.hideout.core.application.timeline
+
+import dev.usbharu.hideout.core.domain.model.timelinerelationship.TimelineRelationshipId
+
+data class RemoveTimelineRelationship(val timelineRelationshipId: TimelineRelationshipId)

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

@@ -1,15 +1,22 @@
 package dev.usbharu.hideout.core.application.timeline
 
+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.support.principal.LocalUser
+import dev.usbharu.hideout.core.domain.model.timeline.TimelineRepository
+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.TimelineRelationshipRepository
+import dev.usbharu.hideout.core.domain.shared.id.IdGenerateService
 import org.slf4j.LoggerFactory
 import org.springframework.stereotype.Service
 
 @Service
 class UserAddTimelineRelationshipApplicationService(
     private val timelineRelationshipRepository: TimelineRelationshipRepository,
+    private val timelineRepository: TimelineRepository,
+    private val idGenerateService: IdGenerateService,
     transaction: Transaction
 ) :
     LocalUserAbstractApplicationService<AddTimelineRelationship, Unit>(
@@ -17,7 +24,21 @@ class UserAddTimelineRelationshipApplicationService(
         logger
     ) {
     override suspend fun internalExecute(command: AddTimelineRelationship, principal: LocalUser) {
-        timelineRelationshipRepository.save(command.timelineRelationship)
+        val timeline = timelineRepository.findById(command.timelineId)
+            ?: throw IllegalArgumentException("Timeline ${command.timelineId} not found.")
+
+        if (timeline.userDetailId != principal.userDetailId) {
+            throw PermissionDeniedException()
+        }
+
+        timelineRelationshipRepository.save(
+            TimelineRelationship(
+                TimelineRelationshipId(idGenerateService.generateId()),
+                command.timelineId,
+                command.actorId,
+                command.visible
+            )
+        )
     }
 
     companion object {

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

@@ -0,0 +1,39 @@
+package dev.usbharu.hideout.core.application.timeline
+
+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.support.principal.LocalUser
+import dev.usbharu.hideout.core.domain.model.timeline.TimelineRepository
+import dev.usbharu.hideout.core.domain.model.timelinerelationship.TimelineRelationshipRepository
+import org.slf4j.LoggerFactory
+import org.springframework.stereotype.Service
+
+@Service
+class UserRemoveTimelineRelationshipApplicationService(
+    transaction: Transaction,
+    private val timelineRelationshipRepository: TimelineRelationshipRepository,
+    private val timelineRepository: TimelineRepository
+) :
+    LocalUserAbstractApplicationService<RemoveTimelineRelationship, Unit>(
+        transaction, logger
+    ) {
+
+    override suspend fun internalExecute(command: RemoveTimelineRelationship, principal: LocalUser) {
+        val timelineRelationship = (timelineRelationshipRepository.findById(command.timelineRelationshipId)
+            ?: throw IllegalArgumentException("TimelineRelationship ${command.timelineRelationshipId} not found."))
+
+        val timeline = (timelineRepository.findById(timelineRelationship.timelineId)
+            ?: throw IllegalArgumentException("Timeline ${timelineRelationship.timelineId} not found."))
+
+        if (timeline.userDetailId != principal.userDetailId) {
+            throw PermissionDeniedException()
+        }
+
+        timelineRelationshipRepository.delete(timelineRelationship)
+    }
+
+    companion object {
+        private val logger = LoggerFactory.getLogger(UserRemoveTimelineRelationshipApplicationService::class.java)
+    }
+}

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

@@ -35,7 +35,8 @@ class RelationshipEventBody(
 }
 
 enum class RelationshipEvent(val eventName: String) {
-    FOLLOW("RelationshipFollow"),
+    ACCEPT_FOLLOW("RelationshipFollow"),
+    REJECT_FOLLOW("RelationshipRejectFollow"),
     UNFOLLOW("RelationshipUnfollow"),
     BLOCK("RelationshipBlock"),
     UNBLOCK("RelationshipUnblock"),

hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/relationship/Relationship.kt

@@ -44,12 +44,6 @@ class Relationship(
     var mutingFollowRequest: Boolean = mutingFollowRequest
         private set
 
-    fun follow() {
-        require(blocking.not())
-        following = true
-        addDomainEvent(RelationshipEventFactory(this).createEvent(RelationshipEvent.FOLLOW))
-    }
-
     fun unfollow() {
         following = false
         addDomainEvent(RelationshipEventFactory(this).createEvent(RelationshipEvent.UNFOLLOW))
@@ -96,11 +90,15 @@ class Relationship(
     }
 
     fun acceptFollowRequest() {
-        follow()
+        require(blocking.not())
+        following = true
+        addDomainEvent(RelationshipEventFactory(this).createEvent(RelationshipEvent.ACCEPT_FOLLOW))
         followRequesting = false
     }
 
     fun rejectFollowRequest() {
+        require(followRequesting)
+        addDomainEvent(RelationshipEventFactory(this).createEvent(RelationshipEvent.REJECT_FOLLOW))
         followRequesting = false
     }
 

hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/timelinerelationship/TimelineRelationship.kt

@@ -8,7 +8,20 @@ class TimelineRelationship(
     val timelineId: TimelineId,
     val actorId: ActorId,
     val visible: Visible
-)
+) {
+    override fun equals(other: Any?): Boolean {
+        if (this === other) return true
+        if (javaClass != other?.javaClass) return false
+
+        other as TimelineRelationship
+
+        return id == other.id
+    }
+
+    override fun hashCode(): Int {
+        return id.hashCode()
+    }
+}
 
 enum class Visible {
     PUBLIC,

hideout-core/src/main/kotlin/dev/usbharu/hideout/core/domain/model/timelinerelationship/TimelineRelationshipRepository.kt

@@ -1,10 +1,13 @@
 package dev.usbharu.hideout.core.domain.model.timelinerelationship
 
 import dev.usbharu.hideout.core.domain.model.actor.ActorId
+import dev.usbharu.hideout.core.domain.model.timeline.TimelineId
 
 interface TimelineRelationshipRepository {
     suspend fun save(timelineRelationship: TimelineRelationship): TimelineRelationship
     suspend fun delete(timelineRelationship: TimelineRelationship)
 
     suspend fun findByActorId(actorId: ActorId): List<TimelineRelationship>
+    suspend fun findById(timelineRelationshipId: TimelineRelationshipId): TimelineRelationship?
+    suspend fun findByTimelineIdAndActorId(timelineId: TimelineId, actorId: ActorId): TimelineRelationship?
 }