moves mark as read to the AccountViewModel scope.

app/src/main/java/com/vitorpamplona/amethyst/ui/note/NoteCompose.kt

@@ -831,16 +831,8 @@ private fun CheckNewAndRenderNote(
     val backgroundColor = remember { mutableStateOf<Color>(defaultBackgroundColor) }
 
     LaunchedEffect(key1 = routeForLastRead, key2 = parentBackgroundColor?.value) {
-        launch(Dispatchers.IO) {
         routeForLastRead?.let {
-                val lastTime = accountViewModel.account.loadLastRead(it)
+            accountViewModel.loadAndMarkAsRead(it, baseNote.createdAt()) { isNew ->
-
-                val createdAt = baseNote.createdAt()
-                if (createdAt != null) {
-                    accountViewModel.account.markAsRead(it, createdAt)
-
-                    val isNew = createdAt > lastTime
-
                 val newBackgroundColor = if (isNew) {
                     if (parentBackgroundColor != null) {
                         newItemColor.compositeOver(parentBackgroundColor.value)
@@ -867,7 +859,6 @@ private fun CheckNewAndRenderNote(
             }
         }
     }
-    }
 
     ClickableNote(
         baseNote = baseNote,

app/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/AccountViewModel.kt

@@ -720,6 +720,19 @@ class AccountViewModel(val account: Account) : ViewModel(), Dao {
         }
     }
 
+    fun loadAndMarkAsRead(routeForLastRead: String, baseNoteCreatedAt: Long?, onIsNew: (Boolean) -> Unit) {
+        viewModelScope.launch(Dispatchers.IO) {
+            val lastTime = account.loadLastRead(routeForLastRead)
+
+            if (baseNoteCreatedAt != null) {
+                account.markAsRead(routeForLastRead, baseNoteCreatedAt)
+                onIsNew(baseNoteCreatedAt > lastTime)
+            } else {
+                onIsNew(false)
+            }
+        }
+    }
+
     class Factory(val account: Account) : ViewModelProvider.Factory {
         override fun <AccountViewModel : ViewModel> create(modelClass: Class<AccountViewModel>): AccountViewModel {
             return AccountViewModel(account) as AccountViewModel