add loading state to home screen

composeApp/src/androidMain/kotlin/su/reya/coop/screens/HomeScreen.kt

@@ -24,6 +24,7 @@ import androidx.compose.material3.Icon
 import androidx.compose.material3.IconButton
 import androidx.compose.material3.ListItem
 import androidx.compose.material3.ListItemDefaults
+import androidx.compose.material3.LoadingIndicator
 import androidx.compose.material3.MaterialShapes
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.ModalBottomSheet
@@ -93,6 +94,7 @@ fun HomeScreen(
 
     val userProfile by currentUserProfile.collectAsState(initial = null)
     val chatRooms by viewModel.chatRooms.collectAsState(initial = emptyList())
+    val isPartialProcessedGiftWrap by viewModel.isPartialProcessedGiftWrap.collectAsState(initial = false)
 
     val scope = rememberCoroutineScope()
     val sheetState = rememberModalBottomSheetState()
@@ -212,7 +214,14 @@ fun HomeScreen(
                         )
                     }
                 ) {
-                    if (chatRooms.isEmpty()) {
+                    if (!isPartialProcessedGiftWrap && chatRooms.isEmpty()) {
+                        Box(
+                            modifier = Modifier.fillMaxSize(),
+                            contentAlignment = Alignment.Center
+                        ) {
+                            LoadingIndicator()
+                        }
+                    } else if (chatRooms.isEmpty()) {
                         Box(
                             modifier = Modifier.fillMaxSize(),
                             contentAlignment = Alignment.Center

shared/src/commonMain/kotlin/su/reya/coop/NostrViewModel.kt

@@ -48,6 +48,9 @@ class NostrViewModel(
     private val _contactList = MutableStateFlow<Set<PublicKey>>(emptySet())
     val contactList = _contactList.asStateFlow()
 
+    private val _isPartialProcessedGiftWrap = MutableStateFlow(false)
+    val isPartialProcessedGiftWrap = _isPartialProcessedGiftWrap.asStateFlow()
+
     private val _newEvents = MutableSharedFlow<UnsignedEvent>(extraBufferCapacity = 100)
     val newEvents = _newEvents.asSharedFlow()
 
@@ -99,6 +102,10 @@ class NostrViewModel(
                 },
                 onSubscriptionClose = {
                     getChatRooms()
+
+                    if (!_isPartialProcessedGiftWrap.value) {
+                        _isPartialProcessedGiftWrap.value = true
+                    }
                 },
                 onNewMessage = { event ->
                     viewModelScope.launch {