make triggerId optinal in create post case

business_cases/post_creating/common/src/commonMain/kotlin/com/insanusmokrassar/postssystem/business_cases/post_creating/server/BusinessPostCreatingCase.kt

@@ -13,14 +13,16 @@ class BusinessPostCreatingCase(
     private val publishingRegistrar: PublishingRegistrar,
     private val postKeyGenerator: PostKeyGenerator = { _, _ -> uuid4().toString() }
 ) : PostCreatingCase {
-    override suspend fun createPost(postContent: List<Content>, triggerId: TriggerId): RegisteredPost? {
+    override suspend fun createPost(postContent: List<Content>, triggerId: TriggerId?): RegisteredPost? {
         val content = postContent.mapNotNull { contentRepo.registerContent(it) }
         val post = postsRepo.createPost(SimplePost(content.map { it.id })) ?: return null
 
-        publishingRegistrar.registerTriggerForPost(
-            postKeyGenerator(post.id, triggerId),
-            post.id
-        )
+        triggerId ?.let {
+            publishingRegistrar.registerTriggerForPost(
+                postKeyGenerator(post.id, triggerId),
+                post.id
+            )
+        }
 
         return post
     }

business_cases/post_creating/common/src/commonMain/kotlin/com/insanusmokrassar/postssystem/business_cases/post_creating/server/PostCreatingCase.kt

@@ -2,19 +2,18 @@ package com.insanusmokrassar.postssystem.business_cases.post_creating.server
 
 import com.insanusmokrassar.postssystem.core.content.Content
 import com.insanusmokrassar.postssystem.core.post.RegisteredPost
-import com.insanusmokrassar.postssystem.core.publishing.PublishingKeyReceiver
 import com.insanusmokrassar.postssystem.core.publishing.TriggerId
 import kotlinx.serialization.Serializable
 
 @Serializable
 data class PostCreatingCreatePostModel(
     val postContent: List<Content>,
-    val triggerId: TriggerId
+    val triggerId: TriggerId?
 )
 
 interface PostCreatingCase {
     suspend fun createPost(
         postContent: List<Content>,
-        triggerId: TriggerId
+        triggerId: TriggerId? = null
     ): RegisteredPost?
 }