business setter configurator things

publishing/api/src/commonMain/kotlin/dev/inmo/postssystem/core/publishing/PublishingKeysRegistrar.kt

@@ -24,11 +24,11 @@ interface WritePublishingRegistrar {
     ): Boolean
 }
 
-interface PublishingRegistrar : ReadPublishingRegistrar, WritePublishingRegistrar
+interface PublishingKeysRegistrar : ReadPublishingRegistrar, WritePublishingRegistrar
 
-class BusinessPublishingRegistrar(
+class BusinessPublishingKeysRegistrar(
     private val repo: PublishingKeysRepo
-) : PublishingRegistrar {
+) : PublishingKeysRegistrar {
     private val unregisteredKeysChannel: BroadcastChannel<TriggerControlKey> = BroadcastChannel(Channel.BUFFERED)
     override val unregisteredKeysFlow: Flow<TriggerControlKey> = unregisteredKeysChannel.asFlow()
 

publishing/api/src/commonMain/kotlin/dev/inmo/postssystem/core/publishing/PublishingService.kt

@@ -8,7 +8,7 @@ class PublishingService(
     private val postsRepo: PostsRepo,
     private val publishedPostsRepo: PublishedPostsWriteRepo,
     private val keysRepo: PublishingKeysRepo
-) : PublishingRegistrar by BusinessPublishingRegistrar(
+) : PublishingKeysRegistrar by BusinessPublishingKeysRegistrar(
     keysRepo
 ), PublishingTrigger by BusinessPublishingTrigger(
     postsRepo,

publishing/api/src/commonMain/kotlin/dev/inmo/postssystem/core/publishing/TriggerSetterService.kt

@@ -0,0 +1,27 @@
+package dev.inmo.postssystem.core.publishing
+
+import dev.inmo.postssystem.core.post.PostId
+
+class TriggerSetterServiceUnknownTriggerIdException(
+    triggerId: TriggerId
+) : IllegalArgumentException(
+    "Unknown trigger id $triggerId"
+)
+
+interface TriggerSetterService {
+    @Throws(TriggerSetterServiceUnknownTriggerIdException::class)
+    suspend fun setTrigger(postId: PostId, triggerId: TriggerId): Boolean
+}
+
+class BusinessTriggerSetterService(
+    private val postKeyGenerator: PostKeyGenerator,
+    private val publishingKeyReceiverGetter: PublishingKeyReceiverGetter
+) : TriggerSetterService {
+    override suspend fun setTrigger(postId: PostId, triggerId: TriggerId): Boolean {
+        val publishingKeyReceiver = publishingKeyReceiverGetter(triggerId) ?: throw TriggerSetterServiceUnknownTriggerIdException(triggerId)
+        val triggerControlKey = postKeyGenerator(postId, triggerId)
+
+        publishingKeyReceiver.acceptKey(postId, triggerControlKey)
+        return true
+    }
+}