start adding of posts view

features/content/binary/server/src/jvmMain/kotlin/dev/inmo/postssystem/features/content/binary/server/BinaryServerContentStorage.kt

@@ -81,4 +81,8 @@ class BinaryServerContentStorage(
             )
         }
     }
+
+    override suspend fun getContentPreview(id: ContentId): RegisteredContent? {
+        TODO("Not yet implemented")
+    }
 }

features/content/server/src/jvmMain/kotlin/dev/inmo/postssystem/features/content/server/storage/ServerReadContentStorage.kt

@@ -1,7 +1,8 @@
 package dev.inmo.postssystem.features.content.server.storage
 
 import dev.inmo.micro_utils.repos.ReadCRUDRepo
-import dev.inmo.postssystem.features.content.common.ContentId
-import dev.inmo.postssystem.features.content.common.RegisteredContent
+import dev.inmo.postssystem.features.content.common.*
 
-interface ServerReadContentStorage : ReadCRUDRepo<RegisteredContent, ContentId>
+interface ServerReadContentStorage : ReadCRUDRepo<RegisteredContent, ContentId> {
+    suspend fun getContentPreview(id: ContentId): RegisteredContent?
+}

features/content/text/server/src/jvmMain/kotlin/dev/inmo/postssystem/features/content/text/server/TextServerContentStorage.kt

@@ -3,13 +3,13 @@ package dev.inmo.postssystem.features.content.text.server
 import com.benasher44.uuid.uuid4
 import dev.inmo.micro_utils.repos.exposed.AbstractExposedCRUDRepo
 import dev.inmo.micro_utils.repos.exposed.initTable
-import dev.inmo.postssystem.features.content.common.ContentId
-import dev.inmo.postssystem.features.content.common.RegisteredContent
+import dev.inmo.postssystem.features.content.common.*
 import dev.inmo.postssystem.features.content.server.storage.ServerContentStorage
 import dev.inmo.postssystem.features.content.text.common.TextContent
 import org.jetbrains.exposed.sql.*
 import org.jetbrains.exposed.sql.statements.InsertStatement
 import org.jetbrains.exposed.sql.statements.UpdateStatement
+import org.jetbrains.exposed.sql.transactions.transaction
 
 class TextServerContentStorage(
     override val database: Database
@@ -50,4 +50,19 @@ class TextServerContentStorage(
             TextContent(get(textColumn))
         )
     }
+
+    override suspend fun getContentPreview(id: ContentId): RegisteredContent? = transaction(database) {
+        select { selectById(id) }.limit(1).firstOrNull() ?.let {
+            val text = it[textColumn]
+            val postfix = if (text.length > 1024) {
+                "..."
+            } else {
+                ""
+            }
+            RegisteredContent(
+                id,
+                TextContent(text.take(1024) + postfix)
+            )
+        }
+    }
 }

services/posts/client/src/commonMain/kotlin/dev/inmo/postssystem/services/posts/client/ui/posts_list/PostsListUIState.kt

@@ -0,0 +1,15 @@
+package dev.inmo.postssystem.services.posts.client.ui.posts_list
+
+import dev.inmo.postssystem.features.posts.common.Post
+import kotlinx.serialization.Serializable
+
+@Serializable
+sealed class PostsListUIState {
+    @Serializable
+    object Loading : PostsListUIState()
+    @Serializable
+    data class Show(
+        val posts: List<Post>
+    ) : PostsListUIState()
+
+}