add default post create ui model

services/posts/client/src/commonMain/kotlin/dev/inmo/postssystem/services/posts/client/ui/create/DefaultPostCreateUIModel.kt

@@ -0,0 +1,25 @@
+package dev.inmo.postssystem.services.posts.client.ui.create
+
+import dev.inmo.postssystem.features.common.common.AbstractUIModel
+import dev.inmo.postssystem.features.content.common.Content
+import dev.inmo.postssystem.services.posts.common.FullNewPost
+import dev.inmo.postssystem.services.posts.common.WritePostsService
+
+class DefaultPostCreateUIModel(
+    private val postCreationService: WritePostsService
+) : PostCreateUIModel, AbstractUIModel<PostCreateUIState>(
+    PostCreateUIState.Init
+) {
+    override suspend fun create(content: List<Content>) {
+        runCatching {
+            _currentState.value = PostCreateUIState.Uploading
+            postCreationService.create(
+                FullNewPost(content)
+            )
+        }.onFailure {
+            _currentState.value = PostCreateUIState.Fail
+        }.onSuccess {
+            _currentState.value = PostCreateUIState.Completed
+        }
+    }
+}

services/posts/client/src/commonMain/kotlin/dev/inmo/postssystem/services/posts/client/ui/create/PostCreateUIModel.kt

@@ -1,8 +1,9 @@
 package dev.inmo.postssystem.services.posts.client.ui.create
 
 import dev.inmo.postssystem.features.common.common.UIModel
+import dev.inmo.postssystem.features.common.common.UIViewModel
 import dev.inmo.postssystem.features.content.common.Content
 
-interface PostCreateUIModel : UIModel<PostCreateUIState> {
+interface PostCreateUIModel : UIModel<PostCreateUIState>, UIViewModel<PostCreateUIState> {
     suspend fun create(content: List<Content>)
 }

services/posts/client/src/commonMain/kotlin/dev/inmo/postssystem/services/posts/client/ui/create/PostCreateUIState.kt

@@ -9,6 +9,8 @@ sealed class PostCreateUIState {
     @Serializable
     object Uploading : PostCreateUIState()
     @Serializable
+    object Fail : PostCreateUIState()
+    @Serializable
     object Completed : PostCreateUIState()
 
 }