ExposedPostsRepo now using post also as RegisteredContent (if is)

core/api/src/commonMain/kotlin/com/insanusmokrassar/postssystem/core/post/repo/WritePostsRepo.kt

@@ -10,7 +10,9 @@ interface WritePostsRepo {
 
     /**
      * For creating of post you need to create all its [com.insanusmokrassar.postssystem.core.content.RegisteredContent]
-     * and (or just) retrieve their [ContentIds] and put it into some [Post] implementation line [SimplePost]
+     * and (or just) retrieve their [ContentIds] and put it into some [Post] implementation line [SimplePost].
+     *
+     * This method SHOULD use [PostId] of [RegisteredPost.id] in case if [RegisteredPost] passed
      */
     suspend fun createPost(post: Post): RegisteredPost?
     suspend fun deletePost(id: PostId): Boolean

core/exposed/src/main/kotlin/com/insanusmokrassar/postssystem/core/exposed/ExposedPostsRepo.kt

@@ -105,7 +105,7 @@ private class PostsRepoDatabaseTable(
     }
 
     override suspend fun createPost(post: Post): RegisteredPost? {
-        val id = generatePostId()
+        val id = (post as? RegisteredPost) ?.let { it.id } ?: generatePostId()
         return transaction(
             db = database
         ) {

publishing/api/src/commonMain/kotlin/com/insanusmokrassar/postssystem/core/publishing/PublishingTrigger.kt

@@ -31,12 +31,14 @@ class BusinessPublishingTrigger(
         publishingKeysRepo.unsetPostTriggerControlKey(postId)
 
         return postsRepo.getPostById(postId) ?.let { post ->
-            if (postsRepo.deletePost(postId)) {
-                publishedPostsRepo.createPost(post)
-                postingTriggeredChannel.send(post)
-                postId
-            } else {
-                null
+            publishedPostsRepo.createPost(post) ?.let { publishedPost ->
+                if (postsRepo.deletePost(postId)) {
+                    postingTriggeredChannel.send(post)
+                    postId
+                } else {
+                    publishedPostsRepo.deletePost(publishedPost.id)
+                    null
+                }
             }
         }
     }