chore: bump version

Reviewed-on: #49

.gitignore

@@ -17,3 +17,4 @@ captures
 !*.xcworkspace/contents.xcworkspacedata
 **/xcshareddata/WorkspaceSettings.xcsettings
 node_modules/
+.artifacts/

composeApp/build.gradle.kts

@@ -69,7 +69,7 @@ android {
         minSdk = libs.versions.android.minSdk.get().toInt()
         targetSdk = libs.versions.android.targetSdk.get().toInt()
         versionCode = 1
-        versionName = "0.2.4"
+        versionName = "0.2.6"
     }
     packaging {
         resources {

composeApp/src/androidMain/AndroidManifest.xml

@@ -7,6 +7,8 @@
         android:required="false" />
 
     <uses-permission android:name="android.permission.CAMERA" />
+    <uses-permission android:name="android.permission.INTERNET" />
+    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
     <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
     <uses-permission android:name="android.permission.FOREGROUND_SERVICE_REMOTE_MESSAGING" />
     <uses-permission android:name="android.permission.POST_NOTIFICATIONS" />

composeApp/src/androidMain/kotlin/su/reya/coop/AndroidConnectivityMonitor.kt

@@ -0,0 +1,49 @@
+package su.reya.coop
+
+import android.content.Context
+import android.net.ConnectivityManager
+import android.net.Network
+import android.net.NetworkCapabilities
+import android.net.NetworkRequest
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.flow.asStateFlow
+
+class AndroidConnectivityMonitor(context: Context) : ConnectivityMonitor {
+    private val manager =
+        context.getSystemService(Context.CONNECTIVITY_SERVICE) as ConnectivityManager
+    
+    private val _isMobileData = MutableStateFlow(checkIsMobileData())
+    override val isMobileData: StateFlow<Boolean> = _isMobileData.asStateFlow()
+
+    init {
+        val networkRequest = NetworkRequest.Builder()
+            .addCapability(NetworkCapabilities.NET_CAPABILITY_INTERNET)
+            .build()
+
+        manager.registerNetworkCallback(
+            networkRequest,
+            object : ConnectivityManager.NetworkCallback() {
+                override fun onAvailable(network: Network) {
+                    _isMobileData.value = checkIsMobileData()
+                }
+
+                override fun onLost(network: Network) {
+                    _isMobileData.value = checkIsMobileData()
+                }
+
+                override fun onCapabilitiesChanged(
+                    network: Network,
+                    networkCapabilities: NetworkCapabilities
+                ) {
+                    _isMobileData.value = checkIsMobileData()
+                }
+            })
+    }
+
+    private fun checkIsMobileData(): Boolean {
+        val activeNetwork = manager.activeNetwork ?: return false
+        val capabilities = manager.getNetworkCapabilities(activeNetwork) ?: return false
+        return capabilities.hasTransport(NetworkCapabilities.TRANSPORT_CELLULAR)
+    }
+}

composeApp/src/androidMain/kotlin/su/reya/coop/App.kt

@@ -4,7 +4,6 @@ import android.app.Activity
 import android.content.Intent
 import android.os.Build
 import androidx.activity.ComponentActivity
-import androidx.activity.compose.BackHandler
 import androidx.compose.foundation.isSystemInDarkTheme
 import androidx.compose.material3.ExperimentalMaterial3Api
 import androidx.compose.material3.ExperimentalMaterial3ExpressiveApi
@@ -40,6 +39,7 @@ import androidx.navigation3.ui.NavDisplay
 import kotlinx.coroutines.launch
 import su.reya.coop.repository.AccountRepository
 import su.reya.coop.repository.ChatRepository
+import su.reya.coop.repository.SettingsRepository
 import su.reya.coop.screens.ContactListScreen
 import su.reya.coop.screens.HomeScreen
 import su.reya.coop.screens.ImportScreen
@@ -51,17 +51,27 @@ import su.reya.coop.screens.ProfileScreen
 import su.reya.coop.screens.RelayScreen
 import su.reya.coop.screens.RequestListScreen
 import su.reya.coop.screens.ScanScreen
+import su.reya.coop.screens.SettingsScreen
 import su.reya.coop.screens.UpdateProfileScreen
 import su.reya.coop.screens.chat.ChatScreen
 import su.reya.coop.viewmodel.AccountViewModel
 import su.reya.coop.viewmodel.ChatScreenViewModel
 import su.reya.coop.viewmodel.ChatViewModel
 import su.reya.coop.viewmodel.ProfileCache
+import su.reya.coop.viewmodel.SettingsViewModel
 
 val LocalProfileCache = staticCompositionLocalOf<ProfileCache> {
     error("No ProfileCache provided")
 }
 
+val LocalSettings = staticCompositionLocalOf<Settings> {
+    error("No Settings provided")
+}
+
+val LocalConnectivity = staticCompositionLocalOf<Boolean> {
+    false
+}
+
 val LocalSnackbarHostState = staticCompositionLocalOf<SnackbarHostState> {
     error("No SnackbarHostState provided")
 }
@@ -80,6 +90,8 @@ fun App(
     profileCache: ProfileCache,
     accountRepository: AccountRepository,
     chatRepository: ChatRepository,
+    settingsRepository: SettingsRepository,
+    connectivityMonitor: ConnectivityMonitor,
 ) {
     val viewModelFactory = remember {
         object : ViewModelProvider.Factory {
@@ -93,6 +105,10 @@ fun App(
                         accountRepository
                     )
 
+                    modelClass.isAssignableFrom(SettingsViewModel::class.java) -> SettingsViewModel(
+                        settingsRepository
+                    )
+
                     else -> throw IllegalArgumentException("Unknown ViewModel class")
                 }
                 @Suppress("UNCHECKED_CAST")
@@ -103,6 +119,7 @@ fun App(
 
     val accountViewModel: AccountViewModel = viewModel(factory = viewModelFactory)
     val chatViewModel: ChatViewModel = viewModel(factory = viewModelFactory)
+    val settingsViewModel: SettingsViewModel = viewModel(factory = viewModelFactory)
 
     val context = LocalContext.current
     val activity = context as? ComponentActivity
@@ -114,19 +131,27 @@ fun App(
     val accountState by accountViewModel.state.collectAsStateWithLifecycle()
     val signerRequired = accountState.signerRequired
 
+    // Get the settings
+    val settings by settingsViewModel.settings.collectAsStateWithLifecycle()
+
+    // Get connectivity status
+    val isMobileData by connectivityMonitor.isMobileData.collectAsStateWithLifecycle()
+
     // Snackbar
     val snackbarHostState = remember { SnackbarHostState() }
 
     // Check if dark theme enabled
-    val darkMode = isSystemInDarkTheme()
+    val darkMode = when (settings.theme) {
+        Theme.Light -> false
+        Theme.Dark -> true
+        Theme.System -> isSystemInDarkTheme()
+    }
 
     // Enabled the dynamic color scheme
     val colorScheme = when {
         // Enable the dynamic color scheme for Android 12+
-        Build.VERSION.SDK_INT >= Build.VERSION_CODES.S -> {
-            if (isSystemInDarkTheme()) dynamicDarkColorScheme(context) else dynamicLightColorScheme(
-                context
-            )
+        settings.dynamicColor && Build.VERSION.SDK_INT >= Build.VERSION_CODES.S -> {
+            if (darkMode) dynamicDarkColorScheme(context) else dynamicLightColorScheme(context)
         }
         // When dark mode is enabled, use the dark color scheme
         darkMode -> darkColorScheme()
@@ -134,10 +159,6 @@ fun App(
         else -> expressiveLightColorScheme()
     }
 
-    BackHandler(enabled = backStack.size > 1) {
-        navigator.goBack()
-    }
-
     LaunchedEffect(Unit) {
         launch {
             accountViewModel.errorEvents.collect { message ->
@@ -195,11 +216,12 @@ fun App(
     ) {
         CompositionLocalProvider(
             LocalProfileCache provides profileCache,
+            LocalSettings provides settings,
+            LocalConnectivity provides isMobileData,
             LocalSnackbarHostState provides snackbarHostState,
             LocalNavigator provides navigator,
             LocalScanResult provides qrScanResult,
         ) {
-
             NavDisplay(
                 backStack = backStack,
                 onBack = {
@@ -272,6 +294,9 @@ fun App(
                     entry<Screen.Relay> {
                         RelayScreen(accountViewModel)
                     }
+                    entry<Screen.Settings> {
+                        SettingsScreen(settingsViewModel)
+                    }
                 }
             )
         }

composeApp/src/androidMain/kotlin/su/reya/coop/MainActivity.kt

@@ -14,6 +14,7 @@ import su.reya.coop.nostr.NostrManager
 import su.reya.coop.repository.AccountRepository
 import su.reya.coop.repository.ChatRepository
 import su.reya.coop.repository.MediaRepository
+import su.reya.coop.repository.SettingsRepository
 import su.reya.coop.viewmodel.ProfileCache
 import kotlin.system.exitProcess
 
@@ -25,16 +26,30 @@ class MainActivity : ComponentActivity() {
     private val profileCache by lazy { ProfileCache(NostrManager.instance) }
     private val scope = MainScope()
 
+    private val connectivityMonitor by lazy { AndroidConnectivityMonitor(this@MainActivity) }
+
+    private val settingsRepository by lazy {
+        val storage = AppStore(this@MainActivity)
+        SettingsRepository(storage, scope)
+    }
+
     private val accountRepository by lazy {
         val storage = AppStore(this@MainActivity)
-        val mediaRepository = MediaRepository()
+        val mediaRepository = MediaRepository(settingsRepository)
         val androidSigner = AndroidExternalSigner(this@MainActivity, externalSignerLauncher)
-        AccountRepository(NostrManager.instance, storage, mediaRepository, scope, androidSigner)
+        AccountRepository(
+            NostrManager.instance,
+            storage,
+            mediaRepository,
+            settingsRepository,
+            scope,
+            androidSigner
+        )
     }
 
     private val chatRepository by lazy {
-        val mediaRepository = MediaRepository()
-        ChatRepository(NostrManager.instance, mediaRepository, scope)
+        val mediaRepository = MediaRepository(settingsRepository)
+        ChatRepository(NostrManager.instance, mediaRepository, settingsRepository, scope)
     }
 
     override fun onCreate(savedInstanceState: Bundle?) {
@@ -82,6 +97,8 @@ class MainActivity : ComponentActivity() {
                 profileCache = profileCache,
                 accountRepository = accountRepository,
                 chatRepository = chatRepository,
+                settingsRepository = settingsRepository,
+                connectivityMonitor = connectivityMonitor,
             )
         }
     }

composeApp/src/androidMain/kotlin/su/reya/coop/Navigation.kt

@@ -58,4 +58,7 @@ sealed interface Screen : NavKey {
 
     @Serializable
     data object Relay : Screen
+
+    @Serializable
+    data object Settings : Screen
 }

composeApp/src/androidMain/kotlin/su/reya/coop/NostrForegroundService.kt

@@ -11,10 +11,10 @@ import android.os.Build
 import android.os.IBinder
 import android.util.Log
 import androidx.core.app.NotificationCompat
+import androidx.core.app.NotificationManagerCompat
 import androidx.core.net.toUri
 import androidx.lifecycle.Lifecycle
 import androidx.lifecycle.ProcessLifecycleOwner
-import kotlinx.coroutines.CoroutineDispatcher
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.Job
@@ -28,8 +28,6 @@ private const val GROUP_KEY_MESSAGES = "su.reya.coop.MESSAGES"
 
 class NostrForegroundService : Service() {
     private val serviceScope = CoroutineScope(Dispatchers.IO + SupervisorJob())
-
-    var ioDispatcher: CoroutineDispatcher = Dispatchers.IO
     private val nostr by lazy { NostrManager.instance }
     private var notificationJob: Job? = null
 
@@ -191,4 +189,13 @@ class NostrForegroundService : Service() {
         super.onDestroy()
         serviceScope.cancel()
     }
+
+    override fun onTaskRemoved(rootIntent: Intent?) {
+        super.onTaskRemoved(rootIntent)
+        if (!NotificationManagerCompat.from(this).areNotificationsEnabled()) {
+            Log.d("Coop", "Stopping service on task removed because notifications are disabled")
+            stopForeground(STOP_FOREGROUND_REMOVE)
+            stopSelf()
+        }
+    }
 }

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

@@ -73,7 +73,8 @@ fun ContactListScreen(
 ) {
     val navigator = LocalNavigator.current
     val snackbarHostState = LocalSnackbarHostState.current
-    val contactList by accountViewModel.contactList.collectAsStateWithLifecycle()
+    val accountState by accountViewModel.state.collectAsStateWithLifecycle()
+    val contactList = accountState.contactList
     var openAddContactDialog by remember { mutableStateOf(false) }
     var contactToDelete by remember { mutableStateOf<PublicKey?>(null) }
 

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

@@ -7,6 +7,7 @@ import android.os.Build
 import android.provider.Settings
 import androidx.activity.compose.rememberLauncherForActivityResult
 import androidx.activity.result.contract.ActivityResultContracts
+import androidx.compose.animation.AnimatedVisibility
 import androidx.compose.foundation.clickable
 import androidx.compose.foundation.layout.Arrangement
 import androidx.compose.foundation.layout.Box
@@ -24,6 +25,8 @@ import androidx.compose.foundation.lazy.LazyColumn
 import androidx.compose.foundation.lazy.items
 import androidx.compose.foundation.lazy.rememberLazyListState
 import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.material3.Badge
+import androidx.compose.material3.BadgedBox
 import androidx.compose.material3.Button
 import androidx.compose.material3.ButtonDefaults
 import androidx.compose.material3.ExperimentalMaterial3Api
@@ -86,6 +89,7 @@ import coop.composeapp.generated.resources.ic_new_chat
 import coop.composeapp.generated.resources.ic_qr
 import coop.composeapp.generated.resources.ic_request
 import coop.composeapp.generated.resources.ic_scanner
+import kotlinx.coroutines.flow.flowOf
 import kotlinx.coroutines.launch
 import org.jetbrains.compose.resources.painterResource
 import rust.nostr.sdk.PublicKey
@@ -124,13 +128,13 @@ fun HomeScreen(
     val userProfile by accountViewModel.currentUserProfile.collectAsStateWithLifecycle()
     val chatRooms by chatViewModel.chatRooms.collectAsStateWithLifecycle()
 
-    val isRelayListEmpty by accountViewModel.isRelayListEmpty.collectAsStateWithLifecycle()
+    val accountState by accountViewModel.state.collectAsStateWithLifecycle()
+    val isRelayListEmpty = accountState.isRelayListEmpty
+    val isBannerDismissed = accountState.isNotificationBannerDismissed
+
     val isSyncing by chatViewModel.isSyncing.collectAsStateWithLifecycle()
     val isPartialProcessedGiftWrap by chatViewModel.isPartialProcessedGiftWrap.collectAsStateWithLifecycle()
 
-    val accountState by accountViewModel.state.collectAsStateWithLifecycle()
-    val isBannerDismissed = accountState.isNotificationBannerDismissed
-
     val expandedFab by remember { derivedStateOf { listState.firstVisibleItemIndex == 0 } }
     var showBottomSheet by remember { mutableStateOf(false) }
     var isRefreshing by remember { mutableStateOf(false) }
@@ -249,7 +253,9 @@ fun HomeScreen(
                 modifier = Modifier.padding(top = innerPadding.calculateTopPadding()),
                 verticalArrangement = Arrangement.spacedBy(16.dp),
             ) {
-                if (!isNotificationEnabled && !isBannerDismissed) {
+                AnimatedVisibility(
+                    visible = !isNotificationEnabled && !isBannerDismissed,
+                ) {
                     Surface(
                         modifier = Modifier
                             .fillMaxWidth()
@@ -372,10 +378,14 @@ fun HomeScreen(
                                 }
 
                                 items(ongoing, key = { it.id }) { room ->
-                                    ChatRoom(
-                                        room = room,
-                                        onClick = { navigator.navigate(Screen.Chat(room.id)) }
-                                    )
+                                    Row(
+                                        modifier = Modifier.animateItem()
+                                    ) {
+                                        ChatRoom(
+                                            room = room,
+                                            onClick = { navigator.navigate(Screen.Chat(room.id)) }
+                                        )
+                                    }
                                 }
                             }
                         }
@@ -620,13 +630,16 @@ fun NewRequests(requests: List<Room>) {
     val firstRoom = requests.getOrNull(0)
     val secondRoom = requests.getOrNull(1)
 
-    val firstRoomState by (firstRoom as Room).uiStateFlow(profileCache)
-        .collectAsStateWithLifecycle(RoomUiState())
-    val secondRoomState by (secondRoom ?: firstRoom).uiStateFlow(profileCache)
-        .collectAsStateWithLifecycle(RoomUiState())
+    val firstRoomState by remember(firstRoom?.id) {
+        firstRoom?.uiStateFlow(profileCache) ?: flowOf(RoomUiState())
+    }.collectAsStateWithLifecycle(RoomUiState())
+
+    val secondRoomState by remember(secondRoom?.id) {
+        (secondRoom ?: firstRoom)?.uiStateFlow(profileCache) ?: flowOf(RoomUiState())
+    }.collectAsStateWithLifecycle(RoomUiState())
 
     val supportingText = when {
-        total == 1 -> {
+        total == 1 && firstRoom != null -> {
             val message = firstRoom.lastMessage ?: ""
             "${firstRoomState.name}: $message"
         }
@@ -644,27 +657,39 @@ fun NewRequests(requests: List<Room>) {
         else -> ""
     }
 
+    val totalUnread = requests.sumOf { it.unreadCount }
+
     ListItem(
         modifier = Modifier.clickable {
             navigator.navigate(Screen.RequestList)
         },
         leadingContent = {
-            Box(
-                modifier = Modifier
-                    .size(48.dp)
-                    .clip(MaterialShapes.Clover4Leaf.toShape()),
-                contentAlignment = Alignment.Center
+            BadgedBox(
+                badge = {
+                    if (totalUnread > 0) {
+                        Badge {
+                            Text(totalUnread.toString())
+                        }
+                    }
+                }
             ) {
-                Surface(
-                    modifier = Modifier.size(48.dp),
-                    color = MaterialTheme.colorScheme.tertiaryContainer,
+                Box(
+                    modifier = Modifier
+                        .size(48.dp)
+                        .clip(MaterialShapes.Clover4Leaf.toShape()),
+                    contentAlignment = Alignment.Center
                 ) {
-                    Box(contentAlignment = Alignment.Center) {
-                        Icon(
-                            painter = painterResource(Res.drawable.ic_request),
-                            contentDescription = "Requests",
-                            tint = MaterialTheme.colorScheme.onTertiaryFixed
-                        )
+                    Surface(
+                        modifier = Modifier.size(48.dp),
+                        color = MaterialTheme.colorScheme.tertiaryContainer,
+                    ) {
+                        Box(contentAlignment = Alignment.Center) {
+                            Icon(
+                                painter = painterResource(Res.drawable.ic_request),
+                                contentDescription = "Requests",
+                                tint = MaterialTheme.colorScheme.onTertiaryFixed
+                            )
+                        }
                     }
                 }
             }
@@ -672,14 +697,19 @@ fun NewRequests(requests: List<Room>) {
         headlineContent = {
             Text(
                 text = "Requests",
-                style = MaterialTheme.typography.titleMediumEmphasized
+                style = MaterialTheme.typography.titleMediumEmphasized.copy(
+                    fontWeight = if (totalUnread > 0) FontWeight.SemiBold else FontWeight.Normal
+                )
             )
         },
         supportingContent = {
             if (supportingText.isNotEmpty()) {
                 Text(
                     text = supportingText,
-                    style = MaterialTheme.typography.bodyMedium,
+                    style = MaterialTheme.typography.bodyMedium.copy(
+                        fontWeight = if (totalUnread > 0) FontWeight.SemiBold else FontWeight.Normal,
+                        color = if (totalUnread > 0) MaterialTheme.colorScheme.onSurface else MaterialTheme.colorScheme.outline
+                    ),
                     maxLines = 1,
                     overflow = TextOverflow.Ellipsis
                 )
@@ -695,28 +725,41 @@ fun NewRequests(requests: List<Room>) {
 @Composable
 fun ChatRoom(room: Room, onClick: () -> Unit) {
     val profileCache = LocalProfileCache.current
-    val roomState by room.uiStateFlow(profileCache)
+    val roomState by remember(room.id) { room.uiStateFlow(profileCache) }
         .collectAsStateWithLifecycle(RoomUiState())
 
     ListItem(
         modifier = Modifier.clickable(onClick = onClick),
         leadingContent = {
-            Avatar(picture = roomState.picture, description = roomState.picture)
+            BadgedBox(
+                badge = {
+                    if (room.unreadCount > 0) {
+                        Badge {
+                            Text(room.unreadCount.toString())
+                        }
+                    }
+                }
+            ) {
+                Avatar(picture = roomState.picture, description = roomState.picture)
+            }
         },
         headlineContent = {
             Row(
                 modifier = Modifier.fillMaxWidth(),
-                verticalAlignment = Alignment.CenterVertically
+                verticalAlignment = Alignment.CenterVertically,
             ) {
                 Text(
                     text = roomState.name,
-                    style = MaterialTheme.typography.titleMediumEmphasized,
+                    style = MaterialTheme.typography.titleMediumEmphasized.copy(
+                        fontWeight = if (room.unreadCount > 0) FontWeight.SemiBold else FontWeight.Normal
+                    ),
                     modifier = Modifier.weight(1f)
                 )
                 Text(
                     text = room.createdAt.ago(),
                     style = MaterialTheme.typography.bodySmall,
-                    color = MaterialTheme.colorScheme.outline
+                    color = MaterialTheme.colorScheme.outline,
+                    textAlign = TextAlign.End,
                 )
             }
         },
@@ -724,7 +767,10 @@ fun ChatRoom(room: Room, onClick: () -> Unit) {
             if (!room.lastMessage.isNullOrBlank()) {
                 Text(
                     text = room.lastMessage ?: "",
-                    style = MaterialTheme.typography.bodyMedium,
+                    style = MaterialTheme.typography.bodyMedium.copy(
+                        fontWeight = if (room.unreadCount > 0) FontWeight.SemiBold else FontWeight.Normal,
+                        color = if (room.unreadCount > 0) MaterialTheme.colorScheme.onSurface else MaterialTheme.colorScheme.outline
+                    ),
                     overflow = TextOverflow.Ellipsis,
                     maxLines = 1,
                 )
@@ -749,7 +795,7 @@ fun BottomMenuList(
         "Update Profile" to { navigator.navigate(Screen.UpdateProfile) },
         "Contact List" to { navigator.navigate(Screen.ContactList) },
         "Relay Management" to { navigator.navigate(Screen.Relay) },
-        "Settings" to { }
+        "Settings" to { navigator.navigate(Screen.Settings) }
     )
 
     Column(

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

@@ -101,13 +101,6 @@ fun ImportScreen(viewModel: AccountViewModel) {
         }
     }
 
-    // Show import errors via snackbar
-    LaunchedEffect(accountState.importError) {
-        accountState.importError?.let {
-            snackbarHostState.showSnackbar(it)
-        }
-    }
-
     Scaffold(
         containerColor = MaterialTheme.colorScheme.surfaceContainer,
         snackbarHost = { SnackbarHost(snackbarHostState) },

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

@@ -75,7 +75,8 @@ fun NewChatScreen(
     val snackbarHostState = LocalSnackbarHostState.current
     val navigator = LocalNavigator.current
     val qrScanResult = LocalScanResult.current
-    val contactList by accountViewModel.contactList.collectAsStateWithLifecycle()
+    val accountState by accountViewModel.state.collectAsStateWithLifecycle()
+    val contactList = accountState.contactList
     var query by remember { mutableStateOf("") }
 
     val createGroup = remember { mutableStateOf(false) }
@@ -185,8 +186,8 @@ fun NewChatScreen(
                             )
                         },
                         text = { Text("Next") },
-                        containerColor = MaterialTheme.colorScheme.tertiary,
-                        contentColor = MaterialTheme.colorScheme.onTertiary,
+                        containerColor = MaterialTheme.colorScheme.tertiaryContainer,
+                        contentColor = MaterialTheme.colorScheme.onTertiaryContainer,
                     )
                 }
             }
@@ -397,7 +398,7 @@ fun ContactListItem(
         supportingContent = { Text(text = pubkey.short()) },
         content = {
             Text(
-                text = profile?.name ?: "",
+                text = profile?.name ?: "Unknown",
                 style = MaterialTheme.typography.titleMediumEmphasized,
             )
         }

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

@@ -70,13 +70,6 @@ fun OnboardingScreen(viewModel: AccountViewModel) {
         }
     }
 
-    // Show connection errors
-    LaunchedEffect(accountState.importError) {
-        accountState.importError?.let {
-            snackbarHostState.showSnackbar(it)
-        }
-    }
-
     val logoPainter = painterResource(Res.drawable.coop)
     val expressiveFont = getExpressiveFontFamily()
 

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

@@ -95,14 +95,15 @@ fun RelayScreen(viewModel: AccountViewModel) {
     var openAddRelayDialog by remember { mutableStateOf(false) }
     var relayToDelete by remember { mutableStateOf<String?>(null) }
 
+    val accountState by viewModel.state.collectAsStateWithLifecycle()
+    val loadedRelayList = accountState.userRelayList
+    val loadedMsgRelayList = accountState.userMsgRelayList
+
     LaunchedEffect(Unit) {
         viewModel.loadCurrentUserRelayList()
         viewModel.loadCurrentUserMsgRelayList()
     }
 
-    val loadedRelayList by viewModel.userRelayList.collectAsStateWithLifecycle()
-    val loadedMsgRelayList by viewModel.userMsgRelayList.collectAsStateWithLifecycle()
-
     LaunchedEffect(loadedRelayList) {
         if (loadedRelayList.isNotEmpty()) {
             relayList.clear()

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

@@ -0,0 +1,291 @@
+package su.reya.coop.screens
+
+import android.content.Intent
+import android.provider.Settings as AndroidSettings
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.size
+import androidx.compose.foundation.rememberScrollState
+import androidx.compose.foundation.selection.selectable
+import androidx.compose.foundation.selection.selectableGroup
+import androidx.compose.foundation.verticalScroll
+import androidx.compose.material3.AlertDialog
+import androidx.compose.material3.ExperimentalMaterial3ExpressiveApi
+import androidx.compose.material3.Icon
+import androidx.compose.material3.IconButton
+import androidx.compose.material3.ListItemDefaults
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.OutlinedTextField
+import androidx.compose.material3.RadioButton
+import androidx.compose.material3.Scaffold
+import androidx.compose.material3.SegmentedListItem
+import androidx.compose.material3.SnackbarHost
+import androidx.compose.material3.Switch
+import androidx.compose.material3.Text
+import androidx.compose.material3.TextButton
+import androidx.compose.material3.TopAppBar
+import androidx.compose.material3.TopAppBarDefaults
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.collectAsState
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.semantics.Role
+import androidx.compose.ui.unit.dp
+import coop.composeapp.generated.resources.Res
+import coop.composeapp.generated.resources.ic_arrow_back
+import org.jetbrains.compose.resources.painterResource
+import su.reya.coop.LocalNavigator
+import su.reya.coop.LocalSnackbarHostState
+import su.reya.coop.MediaConfig
+import su.reya.coop.Theme
+import su.reya.coop.viewmodel.SettingsViewModel
+
+@OptIn(ExperimentalMaterial3ExpressiveApi::class)
+@Composable
+fun SettingsScreen(viewModel: SettingsViewModel) {
+    val navigator = LocalNavigator.current
+    val context = LocalContext.current
+    val snackbarHostState = LocalSnackbarHostState.current
+    val settings by viewModel.settings.collectAsState()
+
+    var showThemeDialog by remember { mutableStateOf(false) }
+    var showMediaDialog by remember { mutableStateOf(false) }
+    var showBlossomDialog by remember { mutableStateOf(false) }
+
+    Scaffold(
+        containerColor = MaterialTheme.colorScheme.surfaceContainer,
+        snackbarHost = { SnackbarHost(snackbarHostState) },
+        topBar = {
+            TopAppBar(
+                title = {
+                    Text(
+                        text = "Settings",
+                        style = MaterialTheme.typography.titleMediumEmphasized
+                    )
+                },
+                colors = TopAppBarDefaults.topAppBarColors(
+                    containerColor = MaterialTheme.colorScheme.surfaceContainer,
+                ),
+                navigationIcon = {
+                    IconButton(onClick = { navigator.goBack() }) {
+                        Icon(
+                            painter = painterResource(Res.drawable.ic_arrow_back),
+                            contentDescription = "Back"
+                        )
+                    }
+                },
+            )
+        },
+    ) { innerPadding ->
+        Column(
+            modifier = Modifier
+                .fillMaxSize()
+                .padding(innerPadding)
+                .verticalScroll(rememberScrollState())
+                .padding(horizontal = 16.dp),
+            verticalArrangement = Arrangement.spacedBy(24.dp)
+        ) {
+            Column(
+                verticalArrangement = Arrangement.spacedBy(8.dp)
+            ) {
+                Text(
+                    text = "General",
+                    style = MaterialTheme.typography.titleSmall,
+                    color = MaterialTheme.colorScheme.primary,
+                    modifier = Modifier.padding(horizontal = 8.dp)
+                )
+                Column(
+                    verticalArrangement = Arrangement.spacedBy(ListItemDefaults.SegmentedGap)
+                ) {
+                    SegmentedListItem(
+                        onClick = { viewModel.update { it.copy(screening = !it.screening) } },
+                        shapes = ListItemDefaults.segmentedShapes(index = 0, count = 4),
+                        content = { Text("Screening") },
+                        supportingContent = { Text("Filter unknown contacts") },
+                        trailingContent = {
+                            Switch(
+                                checked = settings.screening,
+                                onCheckedChange = { viewModel.update { s -> s.copy(screening = it) } }
+                            )
+                        }
+                    )
+                    SegmentedListItem(
+                        onClick = { showMediaDialog = true },
+                        shapes = ListItemDefaults.segmentedShapes(index = 1, count = 4),
+                        content = { Text("Media Preview") },
+                        supportingContent = {
+                            Text(
+                                when (settings.media) {
+                                    MediaConfig.Disabled -> "Disabled"
+                                    MediaConfig.DisabledForMobileData -> "Disabled for Mobile Data"
+                                    MediaConfig.AlwaysEnabled -> "Always Enabled"
+                                }
+                            )
+                        }
+                    )
+                    SegmentedListItem(
+                        onClick = { showBlossomDialog = true },
+                        shapes = ListItemDefaults.segmentedShapes(index = 2, count = 4),
+                        content = { Text("Blossom Server") },
+                        supportingContent = { Text(settings.blossomServer ?: "Default") }
+                    )
+                    SegmentedListItem(
+                        onClick = {
+                            val intent = Intent(AndroidSettings.ACTION_APP_NOTIFICATION_SETTINGS).apply {
+                                putExtra(AndroidSettings.EXTRA_APP_PACKAGE, context.packageName)
+                            }
+                            context.startActivity(intent)
+                        },
+                        shapes = ListItemDefaults.segmentedShapes(index = 3, count = 4),
+                        content = { Text("Notifications") },
+                        supportingContent = { Text("System notification settings") }
+                    )
+                }
+            }
+            Column(
+                verticalArrangement = Arrangement.spacedBy(8.dp)
+            ) {
+                Text(
+                    text = "Appearance",
+                    style = MaterialTheme.typography.titleSmall,
+                    color = MaterialTheme.colorScheme.primary,
+                    modifier = Modifier.padding(horizontal = 8.dp)
+                )
+                Column(
+                    verticalArrangement = Arrangement.spacedBy(ListItemDefaults.SegmentedGap)
+                ) {
+                    SegmentedListItem(
+                        onClick = { showThemeDialog = true },
+                        shapes = ListItemDefaults.segmentedShapes(index = 0, count = 2),
+                        content = { Text("Theme") },
+                        supportingContent = { Text(settings.theme.name) }
+                    )
+                    SegmentedListItem(
+                        onClick = { viewModel.update { it.copy(dynamicColor = !it.dynamicColor) } },
+                        shapes = ListItemDefaults.segmentedShapes(index = 1, count = 2),
+                        content = { Text("Dynamic Color") },
+                        trailingContent = {
+                            Switch(
+                                checked = settings.dynamicColor,
+                                onCheckedChange = {
+                                    viewModel.update { s -> s.copy(dynamicColor = it) }
+                                }
+                            )
+                        }
+                    )
+                }
+            }
+        }
+    }
+
+    if (showThemeDialog) {
+        OptionDialog(
+            title = "Select Theme",
+            options = Theme.entries.map { it.name },
+            selected = settings.theme.name,
+            onSelected = { name ->
+                viewModel.update { it.copy(theme = Theme.valueOf(name)) }
+                showThemeDialog = false
+            },
+            onDismiss = { showThemeDialog = false }
+        )
+    }
+
+    if (showMediaDialog) {
+        OptionDialog(
+            title = "Media Preview",
+            options = listOf("Disabled", "Disabled for Mobile Data", "Always Enabled"),
+            selected = when (settings.media) {
+                MediaConfig.Disabled -> "Disabled"
+                MediaConfig.DisabledForMobileData -> "Disabled for Mobile Data"
+                MediaConfig.AlwaysEnabled -> "Always Enabled"
+            },
+            onSelected = { choice ->
+                val newConfig = when (choice) {
+                    "Disabled" -> MediaConfig.Disabled
+                    "Disabled for Mobile Data" -> MediaConfig.DisabledForMobileData
+                    else -> MediaConfig.AlwaysEnabled
+                }
+                viewModel.update { it.copy(media = newConfig) }
+                showMediaDialog = false
+            },
+            onDismiss = { showMediaDialog = false }
+        )
+    }
+
+    if (showBlossomDialog) {
+        var text by remember { mutableStateOf(settings.blossomServer ?: "") }
+        AlertDialog(
+            onDismissRequest = { showBlossomDialog = false },
+            title = { Text("Blossom Server URL") },
+            text = {
+                OutlinedTextField(
+                    value = text,
+                    onValueChange = { text = it },
+                    modifier = Modifier.fillMaxWidth(),
+                    placeholder = { Text("https://...") },
+                    singleLine = true
+                )
+            },
+            confirmButton = {
+                TextButton(onClick = {
+                    viewModel.update { it.copy(blossomServer = text.ifBlank { null }) }
+                    showBlossomDialog = false
+                }) {
+                    Text("Save")
+                }
+            },
+            dismissButton = {
+                TextButton(onClick = { showBlossomDialog = false }) {
+                    Text("Cancel")
+                }
+            }
+        )
+    }
+}
+
+@Composable
+fun OptionDialog(
+    title: String,
+    options: List<String>,
+    selected: String,
+    onSelected: (String) -> Unit,
+    onDismiss: () -> Unit
+) {
+    AlertDialog(
+        onDismissRequest = onDismiss,
+        title = { Text(title) },
+        text = {
+            Column(modifier = Modifier.selectableGroup()) {
+                options.forEach { text ->
+                    Row(
+                        modifier = Modifier
+                            .fillMaxWidth()
+                            .selectable(
+                                selected = (text == selected),
+                                onClick = { onSelected(text) },
+                                role = Role.RadioButton
+                            )
+                            .padding(vertical = 12.dp),
+                        verticalAlignment = Alignment.CenterVertically
+                    ) {
+                        RadioButton(selected = (text == selected), onClick = null)
+                        Spacer(Modifier.size(16.dp))
+                        Text(text = text, style = MaterialTheme.typography.bodyLarge)
+                    }
+                }
+            }
+        },
+        confirmButton = {}
+    )
+}

composeApp/src/androidMain/kotlin/su/reya/coop/screens/chat/ChatMessage.kt

@@ -1,10 +1,5 @@
 package su.reya.coop.screens.chat
 
-import androidx.compose.animation.AnimatedVisibility
-import androidx.compose.animation.expandVertically
-import androidx.compose.animation.fadeIn
-import androidx.compose.animation.fadeOut
-import androidx.compose.animation.shrinkVertically
 import androidx.compose.foundation.combinedClickable
 import androidx.compose.foundation.interaction.MutableInteractionSource
 import androidx.compose.foundation.layout.Arrangement
@@ -43,6 +38,9 @@ import coil3.compose.AsyncImage
 import rust.nostr.sdk.EventId
 import rust.nostr.sdk.PublicKey
 import rust.nostr.sdk.UnsignedEvent
+import su.reya.coop.LocalConnectivity
+import su.reya.coop.LocalSettings
+import su.reya.coop.MediaConfig
 import su.reya.coop.URL_REGEX
 import su.reya.coop.formatAsTime
 import su.reya.coop.isImageUrl
@@ -61,14 +59,27 @@ data class MessageModel(
 
 @Composable
 fun rememberMessageModel(event: UnsignedEvent, currentUser: PublicKey? = null): MessageModel {
-    return remember(event, currentUser) {
+    val settings = LocalSettings.current
+    val isMobileData = LocalConnectivity.current
+
+    return remember(event, currentUser, settings, isMobileData) {
         val id = event.ensureId().id()!!
         val isMine = currentUser == event.author()
         val content = event.content()
         val replyEventIds = event.tags().eventIds()
 
-        val images = URL_REGEX.findAll(content).map { it.value }.filter { it.isImageUrl() }.toList()
-        val cleanedContent = content.removeImageUrls()
+        val showMedia = when (settings.media) {
+            MediaConfig.AlwaysEnabled -> true
+            MediaConfig.Disabled -> false
+            MediaConfig.DisabledForMobileData -> !isMobileData
+        }
+
+        val images = if (showMedia) {
+            URL_REGEX.findAll(content).map { it.value }.filter { it.isImageUrl() }.toList()
+        } else {
+            emptyList()
+        }
+        val cleanedContent = if (showMedia) content.removeImageUrls() else content
 
         val annotatedString = buildAnnotatedString {
             var lastIndex = 0
@@ -177,11 +188,7 @@ fun ChatMessage(
                     )
                 }
             }
-            AnimatedVisibility(
-                visible = isMessageClicked,
-                enter = fadeIn() + expandVertically(),
-                exit = fadeOut() + shrinkVertically()
-            ) {
+            if (isMessageClicked) {
                 Text(
                     text = model.timestamp,
                     style = MaterialTheme.typography.labelSmall,

composeApp/src/androidMain/kotlin/su/reya/coop/screens/chat/ChatScreen.kt

@@ -93,6 +93,7 @@ import org.jetbrains.compose.resources.painterResource
 import rust.nostr.sdk.UnsignedEvent
 import su.reya.coop.LocalNavigator
 import su.reya.coop.LocalProfileCache
+import su.reya.coop.LocalSettings
 import su.reya.coop.LocalSnackbarHostState
 import su.reya.coop.Room
 import su.reya.coop.RoomUiState
@@ -115,6 +116,7 @@ fun ChatScreen(
     val clipboardManager = LocalClipboard.current
     val navigator = LocalNavigator.current
     val profileCache = LocalProfileCache.current
+    val settings = LocalSettings.current
     val scope = rememberCoroutineScope()
     val listState = rememberLazyListState()
 
@@ -146,8 +148,9 @@ fun ChatScreen(
     val groupedMessages =
         remember { derivedStateOf { messages.groupBy { it.createdAt().formatAsGroup() } } }
 
-    val roomState by (room as Room).uiStateFlow(profileCache, currentUser?.publicKey)
-        .collectAsStateWithLifecycle(RoomUiState())
+    val roomState by remember(id, currentUser?.publicKey) {
+        (room as Room).uiStateFlow(profileCache, currentUser?.publicKey)
+    }.collectAsStateWithLifecycle(RoomUiState())
 
     var text by remember { mutableStateOf("") }
     var selectedMessage by remember { mutableStateOf<Pair<MessageModel, Rect>?>(null) }
@@ -264,7 +267,7 @@ fun ChatScreen(
                             .fillMaxSize()
                             .padding(bottom = innerPadding.calculateBottomPadding())
                     ) {
-                        if (requireScreening) {
+                        if (requireScreening && settings.screening) {
                             room?.let { ScreenerCard(accountViewModel, it) }
                         }
 
@@ -295,7 +298,9 @@ fun ChatScreen(
                                                 }
 
                                             Column(
-                                                modifier = Modifier.fillMaxWidth(),
+                                                modifier = Modifier
+                                                    .fillMaxWidth()
+                                                    .animateItem(),
                                                 verticalArrangement = Arrangement.spacedBy(2.dp)
                                             ) {
                                                 replyPreview?.let { ReplyPreview(it, model.isMine) }
@@ -346,7 +351,7 @@ fun ChatScreen(
                             }
                         }
 
-                        when (requireScreening) {
+                        when (requireScreening && settings.screening) {
                             true -> {
                                 Row(
                                     modifier = Modifier
@@ -380,8 +385,10 @@ fun ChatScreen(
                             }
 
                             else -> {
-                                replyingTo?.let {
-                                    ReplyBox(it) { replyingTo = null }
+                                AnimatedVisibility(visible = replyingTo != null) {
+                                    replyingTo?.let {
+                                        ReplyBox(it) { replyingTo = null }
+                                    }
                                 }
                                 ChatInput(
                                     value = text,
@@ -420,7 +427,6 @@ fun ChatScreen(
                 }
             }
         )
-
         AnimatedVisibility(
             visible = selectedMessage != null,
             enter = fadeIn(),

composeApp/src/androidMain/kotlin/su/reya/coop/shared/Avatar.kt

@@ -1,5 +1,6 @@
 package su.reya.coop.shared
 
+import androidx.compose.foundation.Image
 import androidx.compose.foundation.layout.size
 import androidx.compose.foundation.shape.CircleShape
 import androidx.compose.runtime.Composable
@@ -13,6 +14,9 @@ import coil3.compose.AsyncImage
 import coop.composeapp.generated.resources.Res
 import coop.composeapp.generated.resources.avatar
 import org.jetbrains.compose.resources.painterResource
+import su.reya.coop.LocalConnectivity
+import su.reya.coop.LocalSettings
+import su.reya.coop.MediaConfig
 
 @Composable
 fun Avatar(
@@ -22,17 +26,36 @@ fun Avatar(
     size: Dp = 48.dp,
     shape: Shape = CircleShape
 ) {
+    val settings = LocalSettings.current
+    val isMobileData = LocalConnectivity.current
     val placeholder = painterResource(Res.drawable.avatar)
 
-    AsyncImage(
-        model = picture,
-        contentDescription = description,
-        modifier = modifier
-            .size(size)
-            .clip(shape),
-        contentScale = ContentScale.Crop,
-        fallback = placeholder,
-        error = placeholder,
-        placeholder = placeholder
-    )
+    val showMedia = when (settings.media) {
+        MediaConfig.AlwaysEnabled -> true
+        MediaConfig.Disabled -> false
+        MediaConfig.DisabledForMobileData -> !isMobileData
+    }
+
+    if (showMedia) {
+        AsyncImage(
+            model = picture,
+            contentDescription = description,
+            modifier = modifier
+                .size(size)
+                .clip(shape),
+            contentScale = ContentScale.Crop,
+            fallback = placeholder,
+            error = placeholder,
+            placeholder = placeholder
+        )
+    } else {
+        Image(
+            painter = placeholder,
+            contentDescription = description,
+            modifier = modifier
+                .size(size)
+                .clip(shape),
+            contentScale = ContentScale.Crop
+        )
+    }
 }

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

@@ -0,0 +1,7 @@
+package su.reya.coop
+
+import kotlinx.coroutines.flow.StateFlow
+
+interface ConnectivityMonitor {
+    val isMobileData: StateFlow<Boolean>
+}

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

@@ -30,7 +30,8 @@ data class Room(
     val subject: String?,
     val members: Set<PublicKey>,
     val kind: RoomKind = RoomKind.default(),
-    val lastMessage: String? = null
+    val lastMessage: String? = null,
+    val unreadCount: Int = 0
 ) : Comparable<Room> {
     override fun compareTo(other: Room): Int {
         return this.createdAt.asSecs().compareTo(other.createdAt.asSecs())
@@ -112,13 +113,8 @@ fun UnsignedEvent.roomId(): Long {
     val pubkeys: MutableList<PublicKey> = mutableListOf()
     pubkeys.add(this.author())
     pubkeys.addAll(this.tags().publicKeys())
-
-    // Sort and hash the list of public keys
-    val sortedUniqueKeys = pubkeys
-        .distinctBy { it.toBech32() }
-        .sortedBy { it.toBech32() }
-
-    return sortedUniqueKeys.hashCode().toLong()
+    
+    return pubkeys.map { it.toBech32() }.distinct().sorted().hashCode().toLong()
 }
 
 fun Timestamp.formatAsTime(): String {

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

@@ -0,0 +1,22 @@
+package su.reya.coop
+
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class Settings(
+    val theme: Theme = Theme.System,
+    val dynamicColor: Boolean = true,
+    val media: MediaConfig = MediaConfig.AlwaysEnabled,
+    val screening: Boolean = true,
+    val blossomServer: String? = "https://blossom.band",
+)
+
+@Serializable
+enum class Theme {
+    Light, Dark, System
+}
+
+@Serializable
+enum class MediaConfig {
+    Disabled, DisabledForMobileData, AlwaysEnabled
+}

shared/src/commonMain/kotlin/su/reya/coop/nostr/Messaging.kt

@@ -39,12 +39,11 @@ class MessageManager(private val nostr: Nostr) {
     private val client: Client? get() = nostr.client
     private val signer: UniversalSigner get() = nostr.signer
 
-    val sentEvents: MutableMap<EventId, List<RelayUrl>> = mutableMapOf()
-    val rumorMap: MutableMap<EventId, EventId> = mutableMapOf()
-
     private val _messageSyncState = MutableStateFlow(MessageSyncState())
     val messageSyncState = _messageSyncState.asStateFlow()
 
+    val rumorMap: MutableMap<EventId, EventId> = mutableMapOf()
+
     fun updateSyncState(update: (MessageSyncState) -> MessageSyncState) {
         _messageSyncState.update(update)
     }
@@ -73,6 +72,8 @@ class MessageManager(private val nostr: Nostr) {
                 target = ReqTarget.manual(target),
                 id = "gift-wraps"
             )
+        } catch (e: CancellationException) {
+            throw e
         } catch (e: Exception) {
             throw IllegalStateException("Failed to fetch user messages: ${e.message}", e)
         }
@@ -225,6 +226,8 @@ class MessageManager(private val nostr: Nostr) {
                 // Filter out events without public keys (receivers)
                 ?.filter { it.tags().publicKeys().isNotEmpty() }
                 ?.sortedByDescending { it.createdAt().asSecs() } ?: emptyList()
+        } catch (e: CancellationException) {
+            throw e
         } catch (e: Exception) {
             throw IllegalStateException("Failed to get chat room messages: ${e.message}", e)
         }
@@ -248,6 +251,8 @@ class MessageManager(private val nostr: Nostr) {
                     connectMsgRelays(event)
                 }
             }
+        } catch (e: CancellationException) {
+            throw e
         } catch (e: Exception) {
             throw IllegalStateException("Failed to fetch relays: ${e.message}", e)
         }
@@ -327,9 +332,6 @@ class MessageManager(private val nostr: Nostr) {
                 )
 
                 if (output != null) {
-                    // Keep track of sent events
-                    sentEvents[output.id] = emptyList()
-
                     // Keep track of rumor IDs
                     val id = rumor.id() ?: throw IllegalStateException("Rumor ID is null")
                     rumorMap[id] = output.id
@@ -340,6 +342,8 @@ class MessageManager(private val nostr: Nostr) {
                     }
                 }
             }
+        } catch (e: CancellationException) {
+            throw e
         } catch (e: Exception) {
             throw IllegalStateException("Failed to send message: ${e.message}", e)
         }

shared/src/commonMain/kotlin/su/reya/coop/nostr/Nostr.kt

@@ -9,9 +9,9 @@ import kotlinx.coroutines.flow.MutableSharedFlow
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.asSharedFlow
 import kotlinx.coroutines.flow.first
-import kotlinx.coroutines.withTimeoutOrNull
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.supervisorScope
+import kotlinx.coroutines.withTimeoutOrNull
 import rust.nostr.sdk.AsyncNostrSigner
 import rust.nostr.sdk.Client
 import rust.nostr.sdk.ClientBuilder
@@ -108,14 +108,6 @@ class Nostr(
         relays.connectBootstrapRelays()
     }
 
-    suspend fun reconnect() {
-        relays.reconnect()
-    }
-
-    suspend fun disconnect() {
-        relays.disconnect()
-    }
-
     suspend fun prune() {
         try {
             client?.database()?.wipe()
@@ -162,7 +154,10 @@ class Nostr(
 
                 // Trigger new message notification
                 if (rumor != null) {
-                    if (rumor.createdAt().asSecs() >= now.asSecs()) {
+                    val isSelfMessage = rumor.author() == signer.publicKeyFlow.value
+                    val isNew = rumor.createdAt().asSecs() >= now.asSecs()
+
+                    if (isNew && !isSelfMessage) {
                         onNewMessage(rumor)
                     }
                 }
@@ -182,8 +177,6 @@ class Nostr(
 
             when (notification) {
                 is ClientNotification.Message -> {
-                    val relayUrl = notification.relayUrl
-
                     when (val message = notification.message.asEnum()) {
                         is RelayMessageEnum.EventMsg -> {
                             val event = message.event
@@ -237,14 +230,6 @@ class Nostr(
                             }
                         }
 
-                        is RelayMessageEnum.Ok -> {
-                            if (messages.sentEvents.containsKey(message.eventId)) {
-                                val currentRelays =
-                                    messages.sentEvents[message.eventId] ?: emptyList()
-                                messages.sentEvents[message.eventId] = currentRelays + relayUrl
-                            }
-                        }
-
                         else -> {
                             /* Ignore other message types */
                         }

shared/src/commonMain/kotlin/su/reya/coop/nostr/ProfileManager.kt

@@ -27,6 +27,7 @@ import rust.nostr.sdk.ReqTarget
 import rust.nostr.sdk.SendEventTarget
 import rust.nostr.sdk.SubscribeAutoCloseOptions
 import rust.nostr.sdk.Timestamp
+import kotlin.coroutines.cancellation.CancellationException
 import kotlin.time.Duration
 
 class ProfileManager(private val nostr: Nostr) {
@@ -80,6 +81,8 @@ class ProfileManager(private val nostr: Nostr) {
             val opts = SubscribeAutoCloseOptions().exitPolicy(ReqExitPolicy.ExitOnEose)
 
             client?.subscribe(target = target, id = "user-metadata", closeOn = opts)
+        } catch (e: CancellationException) {
+            throw e
         } catch (e: Exception) {
             throw IllegalStateException("Failed to fetch user metadata: ${e.message}", e)
         }
@@ -92,6 +95,8 @@ class ProfileManager(private val nostr: Nostr) {
             val relays = RelayManager.BOOTSTRAP_RELAYS.map { RelayUrl.parse(it) }
 
             client?.sync(filter, relays)
+        } catch (e: CancellationException) {
+            throw e
         } catch (e: Exception) {
             println("Failed to sync mutual contacts: ${e.message}")
         }
@@ -174,6 +179,8 @@ class ProfileManager(private val nostr: Nostr) {
             )
 
             return newMetadata
+        } catch (e: CancellationException) {
+            throw e
         } catch (e: Exception) {
             throw IllegalStateException("Failed to update identity: ${e.message}", e)
         }
@@ -186,6 +193,8 @@ class ProfileManager(private val nostr: Nostr) {
             val event = client?.database()?.query(filter)?.first() ?: return null
 
             Metadata.fromJson(event.content())
+        } catch (e: CancellationException) {
+            throw e
         } catch (e: Exception) {
             println("Failed to get latest metadata: ${e.message}")
             null
@@ -208,6 +217,8 @@ class ProfileManager(private val nostr: Nostr) {
             }
 
             return results
+        } catch (e: CancellationException) {
+            throw e
         } catch (e: Exception) {
             println("Failed to get all cache metadata: ${e.message}")
             return emptyMap()
@@ -232,6 +243,8 @@ class ProfileManager(private val nostr: Nostr) {
             }
 
             client?.subscribe(target = ReqTarget.manual(target), closeOn = opts)
+        } catch (e: CancellationException) {
+            throw e
         } catch (e: Exception) {
             throw IllegalStateException("Failed to fetch metadata batch: ${e.message}", e)
         }
@@ -247,6 +260,8 @@ class ProfileManager(private val nostr: Nostr) {
                 target = SendEventTarget.broadcast(),
                 ackPolicy = AckPolicy.none(),
             )
+        } catch (e: CancellationException) {
+            throw e
         } catch (e: Exception) {
             throw IllegalStateException("Failed to set contact list: ${e.message}", e)
         }
@@ -258,6 +273,8 @@ class ProfileManager(private val nostr: Nostr) {
             val bodyString: String = response.body()
 
             return Nip05Profile.fromJson(address, bodyString)
+        } catch (e: CancellationException) {
+            throw e
         } catch (e: Exception) {
             throw IllegalStateException("Failed to fetch profile from address: ${e.message}", e)
         }
@@ -269,6 +286,8 @@ class ProfileManager(private val nostr: Nostr) {
             val profile = profileFromAddress(httpClient, address)
 
             return profile.publicKey()
+        } catch (e: CancellationException) {
+            throw e
         } catch (e: Exception) {
             throw IllegalStateException("Failed to search address: ${e.message}", e)
         }
@@ -304,6 +323,8 @@ class ProfileManager(private val nostr: Nostr) {
             }
 
             return results
+        } catch (e: CancellationException) {
+            throw e
         } catch (e: Exception) {
             throw IllegalStateException("Failed to search nostr: ${e.message}", e)
         }
@@ -323,6 +344,8 @@ class ProfileManager(private val nostr: Nostr) {
             )
 
             return events?.first()?.createdAt()
+        } catch (e: CancellationException) {
+            throw e
         } catch (e: Exception) {
             throw IllegalStateException("Failed to get latest activity: ${e.message}", e)
         }
@@ -340,6 +363,8 @@ class ProfileManager(private val nostr: Nostr) {
             val pubkeys = events?.first()?.tags()?.publicKeys() ?: listOf()
 
             return pubkeys.contains(pubkey)
+        } catch (e: CancellationException) {
+            throw e
         } catch (e: Exception) {
             throw IllegalStateException("Failed to get mutual contacts: ${e.message}", e)
         }
@@ -361,6 +386,8 @@ class ProfileManager(private val nostr: Nostr) {
             }
 
             return contacts.toSet()
+        } catch (e: CancellationException) {
+            throw e
         } catch (e: Exception) {
             throw IllegalStateException("Failed to get mutual contacts: ${e.message}", e)
         }

shared/src/commonMain/kotlin/su/reya/coop/nostr/RelayManager.kt

@@ -130,7 +130,7 @@ class RelayManager(private val nostr: Nostr) {
         }
     }
 
-    suspend fun setRelaylist(relays: Map<RelayUrl, RelayMetadata?>) {
+    suspend fun setRelayList(relays: Map<RelayUrl, RelayMetadata?>) {
         try {
             val event = EventBuilder.relayList(relays).finalizeAsync(signer)
 
@@ -143,7 +143,7 @@ class RelayManager(private val nostr: Nostr) {
             throw IllegalStateException("Failed to set msg relays: ${e.message}", e)
         }
     }
-    
+
     suspend fun setMsgRelays(urls: List<RelayUrl>) {
         try {
             val event = EventBuilder.nip17RelayList(urls).finalizeAsync(signer)

shared/src/commonMain/kotlin/su/reya/coop/repository/AccountRepository.kt

@@ -47,13 +47,17 @@ data class AccountState(
     val signerRequired: Boolean? = null,
     val isNotificationBannerDismissed: Boolean = false,
     val isImporting: Boolean = false,
-    val importError: String? = null,
+    val isRelayListEmpty: Boolean = false,
+    val contactList: Set<PublicKey> = emptySet(),
+    val userRelayList: Map<RelayUrl, RelayMetadata?> = emptyMap(),
+    val userMsgRelayList: List<RelayUrl> = emptyList(),
 )
 
 class AccountRepository(
     private val nostr: Nostr,
     private val storage: AppStorage,
     private val mediaRepository: MediaRepository,
+    private val settingsRepository: SettingsRepository,
     private val scope: CoroutineScope,
     private val externalSignerHandler: ExternalSignerHandler? = null,
     private val defaultDispatcher: CoroutineDispatcher = Dispatchers.Default,
@@ -72,23 +76,9 @@ class AccountRepository(
 
     @OptIn(ExperimentalCoroutinesApi::class)
     val currentUserProfile: StateFlow<Profile?> = nostr.signer.publicKeyFlow
-        .flatMapLatest { pubkey ->
-            if (pubkey != null) currentUserProfileFlow(pubkey) else flowOf(null)
-        }
+        .flatMapLatest { if (it != null) currentUserProfileFlow(it) else flowOf(null) }
         .stateIn(scope, SharingStarted.WhileSubscribed(5000), null)
 
-    private val _contactList = MutableStateFlow<Set<PublicKey>>(emptySet())
-    val contactList: StateFlow<Set<PublicKey>> = _contactList.asStateFlow()
-
-    private val _isRelayListEmpty = MutableStateFlow(false)
-    val isRelayListEmpty: StateFlow<Boolean> = _isRelayListEmpty.asStateFlow()
-
-    private val _userRelayList = MutableStateFlow<Map<RelayUrl, RelayMetadata?>>(emptyMap())
-    val userRelayList: StateFlow<Map<RelayUrl, RelayMetadata?>> = _userRelayList.asStateFlow()
-
-    private val _userMsgRelayList = MutableStateFlow<List<RelayUrl>>(emptyList())
-    val userMsgRelayList: StateFlow<List<RelayUrl>> = _userMsgRelayList.asStateFlow()
-
     init {
         checkNotificationBannerDismissedStatus()
         login()
@@ -116,7 +106,7 @@ class AccountRepository(
                     } ?: emptyList()
 
                     // Automatically update the warning state
-                    _isRelayListEmpty.value = relays.isEmpty()
+                    _state.update { it.copy(isRelayListEmpty = relays.isEmpty()) }
                 }
         }
     }
@@ -229,7 +219,7 @@ class AccountRepository(
 
     fun importIdentity(secret: String, password: String? = null) {
         scope.launch {
-            _state.update { it.copy(isImporting = true, importError = null) }
+            _state.update { it.copy(isImporting = true) }
             try {
                 val (signer, decryptedSecret) = createSigner(secret, password)
 
@@ -239,14 +229,14 @@ class AccountRepository(
                 _state.update { it.copy(signerRequired = false, isImporting = false) }
             } catch (e: Exception) {
                 showError("Import failed: ${e.message}")
-                _state.update { it.copy(isImporting = false, importError = e.message) }
+                _state.update { it.copy(isImporting = false) }
             }
         }
     }
 
     fun connectExternalSigner() {
         scope.launch {
-            _state.update { it.copy(isImporting = true, importError = null) }
+            _state.update { it.copy(isImporting = true) }
             try {
                 val handler =
                     externalSignerHandler ?: throw IllegalStateException("Signer not available")
@@ -276,7 +266,7 @@ class AccountRepository(
                 _state.update { it.copy(signerRequired = false, isImporting = false) }
             } catch (e: Exception) {
                 showError("External signer connection failed: ${e.message}")
-                _state.update { it.copy(isImporting = false, importError = e.message) }
+                _state.update { it.copy(isImporting = false) }
             }
         }
     }
@@ -288,7 +278,7 @@ class AccountRepository(
         contentType: String? = null
     ) {
         scope.launch {
-            _state.update { it.copy(isImporting = true, importError = null) }
+            _state.update { it.copy(isImporting = true) }
             try {
                 val keys = Keys.generate()
                 val secret = keys.secretKey().toBech32()
@@ -307,7 +297,7 @@ class AccountRepository(
                 _state.update { it.copy(signerRequired = false, isImporting = false) }
             } catch (e: Exception) {
                 showError("Identity creation failed: ${e.message}")
-                _state.update { it.copy(isImporting = false, importError = e.message) }
+                _state.update { it.copy(isImporting = false) }
             }
         }
     }
@@ -355,14 +345,13 @@ class AccountRepository(
         scope.launch {
             nostr.waitUntilInitialized()
             nostr.profiles.contactListUpdates.collect { contacts ->
-                _contactList.value = contacts.toSet()
+                _state.update { it.copy(contactList = contacts.toSet()) }
             }
         }
     }
 
     fun resetInternalState() {
-        _contactList.value = emptySet()
-        _isRelayListEmpty.value = false
+        _state.update { it.copy(contactList = emptySet(), isRelayListEmpty = false) }
     }
 
     fun addContact(address: String) {
@@ -378,12 +367,12 @@ class AccountRepository(
                 return@launch
             }
 
-            if (pubkey in _contactList.value) return@launch
+            if (pubkey in _state.value.contactList) return@launch
 
             try {
-                val updated = _contactList.value + pubkey
+                val updated = _state.value.contactList + pubkey
                 nostr.profiles.setContactList(updated.toList())
-                _contactList.update { it + pubkey }
+                _state.update { it.copy(contactList = it.contactList + pubkey) }
             } catch (e: Exception) {
                 showError("Error: ${e.message}")
             }
@@ -392,12 +381,12 @@ class AccountRepository(
 
     fun removeContact(publicKey: PublicKey) {
         scope.launch {
-            if (publicKey !in _contactList.value) return@launch
+            if (publicKey !in _state.value.contactList) return@launch
 
             try {
-                val updated = _contactList.value - publicKey
+                val updated = _state.value.contactList - publicKey
                 nostr.profiles.setContactList(updated.toList())
-                _contactList.update { it - publicKey }
+                _state.update { it.copy(contactList = it.contactList - publicKey) }
             } catch (e: Exception) {
                 showError("Error: ${e.message}")
             }
@@ -460,7 +449,7 @@ class AccountRepository(
     }
 
     fun dismissRelayWarning() {
-        _isRelayListEmpty.value = false
+        _state.update { it.copy(isRelayListEmpty = false) }
     }
 
     fun refetchMsgRelays() {
@@ -487,7 +476,8 @@ class AccountRepository(
         scope.launch {
             try {
                 val user = nostr.signer.getPublicKeyAsync() ?: throw Exception("User not found")
-                _userRelayList.value = nostr.relays.getRelayList(user)
+                val relayList = nostr.relays.getRelayList(user)
+                _state.update { it.copy(userRelayList = relayList) }
             } catch (e: Exception) {
                 showError("Error: ${e.message}")
             }
@@ -511,7 +501,7 @@ class AccountRepository(
                 val relays = currentUserRelayListInternal().toMutableMap()
                 relays[relayUrl] = RelayMetadata.WRITE
 
-                nostr.relays.setRelaylist(relays)
+                nostr.relays.setRelayList(relays)
             } catch (e: Exception) {
                 showError("Error: ${e.message}")
             }
@@ -525,7 +515,7 @@ class AccountRepository(
                 val relays = currentUserRelayListInternal().toMutableMap()
                 relays[relayUrl] = RelayMetadata.READ
 
-                nostr.relays.setRelaylist(relays)
+                nostr.relays.setRelayList(relays)
             } catch (e: Exception) {
                 showError("Error: ${e.message}")
             }
@@ -539,7 +529,7 @@ class AccountRepository(
                 val relays = currentUserRelayListInternal().toMutableMap()
                 relays.remove(relayUrl)
 
-                nostr.relays.setRelaylist(relays)
+                nostr.relays.setRelayList(relays)
             } catch (e: Exception) {
                 showError("Error: ${e.message}")
             }
@@ -550,7 +540,8 @@ class AccountRepository(
         scope.launch {
             try {
                 val user = nostr.signer.getPublicKeyAsync() ?: throw Exception("User not found")
-                _userMsgRelayList.value = nostr.relays.getMsgRelays(user)
+                val msgRelays = nostr.relays.getMsgRelays(user)
+                _state.update { it.copy(userMsgRelayList = msgRelays) }
             } catch (e: Exception) {
                 showError("Error: ${e.message}")
             }

shared/src/commonMain/kotlin/su/reya/coop/repository/ChatRepository.kt

@@ -9,6 +9,7 @@ import kotlinx.coroutines.flow.MutableSharedFlow
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.SharingStarted
 import kotlinx.coroutines.flow.asSharedFlow
+import kotlinx.coroutines.flow.asStateFlow
 import kotlinx.coroutines.flow.map
 import kotlinx.coroutines.flow.stateIn
 import kotlinx.coroutines.flow.update
@@ -21,6 +22,7 @@ import rust.nostr.sdk.PublicKey
 import rust.nostr.sdk.Tag
 import rust.nostr.sdk.UnsignedEvent
 import su.reya.coop.Room
+import su.reya.coop.RoomKind
 import su.reya.coop.nostr.Nostr
 import su.reya.coop.roomId
 import su.reya.coop.viewmodel.ErrorHost
@@ -34,15 +36,12 @@ data class ChatState(
 class ChatRepository(
     private val nostr: Nostr,
     private val mediaRepository: MediaRepository,
+    private val settingsRepository: SettingsRepository,
     private val scope: CoroutineScope,
     private val defaultDispatcher: CoroutineDispatcher = Dispatchers.Default,
 ) : ErrorHost by createErrorHost() {
     private val _state = MutableStateFlow(ChatState())
-    val state = _state.stateIn(
-        scope,
-        SharingStarted.WhileSubscribed(5000),
-        ChatState()
-    )
+    val state = _state.asStateFlow()
 
     private val _newEvents = MutableSharedFlow<UnsignedEvent>(
         replay = 0,
@@ -51,13 +50,16 @@ class ChatRepository(
     )
     val newEvents = _newEvents.asSharedFlow()
 
-    val chatRooms = state.map { it.rooms.values.sortedByDescending { it.createdAt.asSecs() } }
+    val chatRooms = state
+        .map { it.rooms.values.sortedByDescending { it.createdAt.asSecs() } }
         .stateIn(scope, SharingStarted.WhileSubscribed(5000), emptyList())
 
-    val isSyncing = nostr.messages.messageSyncState.map { it.isSyncing }
+    val isSyncing = nostr.messages.messageSyncState
+        .map { it.isSyncing }
         .stateIn(scope, SharingStarted.WhileSubscribed(5000), false)
 
-    val isPartialProcessedGiftWrap = state.map { it.isPartialProcessedGiftWrap }
+    val isPartialProcessedGiftWrap = state
+        .map { it.isPartialProcessedGiftWrap }
         .stateIn(scope, SharingStarted.WhileSubscribed(5000), false)
 
     init {
@@ -82,18 +84,7 @@ class ChatRepository(
             // Observe new messages
             launch {
                 nostr.newEvents.collect { event ->
-                    val roomId = event.roomId()
-                    val existingRoom = _state.value.rooms[roomId]
-
-                    if (existingRoom == null) {
-                        val currentUser = nostr.signer.getPublicKeyAsync() ?: return@collect
-                        val newRoom = Room.new(event, currentUser)
-                        _state.update { it.copy(rooms = it.rooms + (newRoom.id to newRoom)) }
-                    } else {
-                        updateRoomList(roomId, event)
-                    }
-
-                    _newEvents.tryEmit(event)
+                    updateRoomState(event)
                 }
             }
         }
@@ -139,13 +130,39 @@ class ChatRepository(
         return _state.value.rooms[id]
     }
 
+    fun markAsRead(roomId: Long) {
+        _state.update { currentState ->
+            val rooms = currentState.rooms.toMutableMap()
+            val room = rooms[roomId]
+            if (room != null && room.unreadCount > 0) {
+                rooms[roomId] = room.copy(unreadCount = 0)
+                currentState.copy(rooms = rooms)
+            } else {
+                currentState
+            }
+        }
+    }
+
     fun refreshChatRooms() {
         scope.launch(defaultDispatcher) {
             try {
-                val rooms = nostr.messages.getChatRooms() ?: emptySet()
+                val dbRooms = nostr.messages.getChatRooms() ?: emptySet()
                 _state.update { currentState ->
                     val newMap = currentState.rooms.toMutableMap()
-                    rooms.forEach { room -> newMap[room.id] = room }
+                    dbRooms.forEach { dbRoom ->
+                        val existing = newMap[dbRoom.id]
+                        // Only update if the database version is newer or equal
+                        if (existing == null || dbRoom.createdAt.asSecs() >= existing.createdAt.asSecs()) {
+                            // Preserve Ongoing kind and unreadCount status if already marked as such in memory
+                            val mergedKind =
+                                if (existing?.kind == RoomKind.Ongoing) RoomKind.Ongoing else dbRoom.kind
+                            val mergedUnreadCount = existing?.unreadCount ?: 0
+                            newMap[dbRoom.id] = dbRoom.copy(
+                                kind = mergedKind,
+                                unreadCount = mergedUnreadCount
+                            )
+                        }
+                    }
                     currentState.copy(rooms = newMap)
                 }
             } catch (e: CancellationException) {
@@ -194,9 +211,10 @@ class ChatRepository(
                     content = message,
                     subject = room.subject,
                     replies = replies,
-                    onRumorCreated = { event ->
-                        updateRoomList(roomId, event)
-                        scope.launch(defaultDispatcher) { _newEvents.tryEmit(event) }
+                    onRumorCreated = {
+                        scope.launch(defaultDispatcher) {
+                            updateRoomState(it, roomId)
+                        }
                     },
                 )
             } catch (e: Exception) {
@@ -223,26 +241,44 @@ class ChatRepository(
         }
     }
 
-    fun isMessageSent(id: EventId): Boolean {
-        val giftWrapId = nostr.messages.rumorMap[id]
+    private suspend fun updateRoomState(event: UnsignedEvent, roomId: Long = event.roomId()) {
+        val currentUser = nostr.signer.getPublicKeyAsync() ?: return
 
-        if (giftWrapId != null) {
-            val isSent = nostr.messages.sentEvents[giftWrapId]?.isNotEmpty() ?: false
-            return isSent
-        } else {
-            return false
-        }
-    }
-
-    private fun updateRoomList(roomId: Long, newMessage: UnsignedEvent) {
         _state.update { currentState ->
-            val room = currentState.rooms[roomId] ?: return@update currentState
-            val updatedRoom = room.copy(
-                lastMessage = newMessage.content(),
-                createdAt = newMessage.createdAt()
-            )
-            currentState.copy(rooms = currentState.rooms + (roomId to updatedRoom))
+            val rooms = currentState.rooms.toMutableMap()
+            val existingRoom = rooms[roomId]
+
+            val isFromMe = event.author() == currentUser
+            val newKind =
+                if (isFromMe) RoomKind.Ongoing else (existingRoom?.kind ?: RoomKind.Request)
+
+            if (existingRoom == null) {
+                // New room discovery
+                val newRoom = Room.new(event, currentUser, roomId).copy(
+                    kind = newKind,
+                    unreadCount = if (isFromMe) 0 else 1
+                )
+                rooms[newRoom.id] = newRoom
+            } else if (event.createdAt().asSecs() >= existingRoom.createdAt.asSecs()) {
+                // Only update preview if message is newer (handles sync/late arrivals)
+                rooms[roomId] = existingRoom.copy(
+                    lastMessage = event.content(),
+                    createdAt = event.createdAt(),
+                    kind = newKind,
+                    unreadCount = if (isFromMe) existingRoom.unreadCount else existingRoom.unreadCount + 1
+                )
+            } else if (isFromMe && existingRoom.kind != RoomKind.Ongoing) {
+                // Even if it's an older message, if it's from me, the room is ongoing
+                rooms[roomId] = existingRoom.copy(kind = RoomKind.Ongoing)
+            } else {
+                // Don't update the room list state for older messages
+                return@update currentState
+            }
+            currentState.copy(rooms = rooms)
         }
+
+        // Notify subscribers about the new event (for the active chat screen)
+        _newEvents.tryEmit(event)
     }
 
     fun resetInternalState() {

shared/src/commonMain/kotlin/su/reya/coop/repository/MediaRepository.kt

@@ -8,7 +8,9 @@ import kotlinx.serialization.json.Json
 import rust.nostr.sdk.AsyncNostrSigner
 import su.reya.coop.blossom.BlossomClient
 
-class MediaRepository {
+class MediaRepository(
+    private val settingsRepository: SettingsRepository
+) {
     private val httpClient = HttpClient {
         install(ContentNegotiation) {
             json(Json {
@@ -25,12 +27,9 @@ class MediaRepository {
         contentType: String? = "image/jpeg"
     ): String? {
         return try {
-            val blossom = BlossomClient(url = "https://blossom.band", client = httpClient)
-            val descriptor = blossom.upload(
-                file = file,
-                contentType = contentType,
-                signer = signer,
-            )
+            val url = settingsRepository.settings.value.blossomServer ?: "https://blossom.band"
+            val blossom = BlossomClient(url, httpClient)
+            val descriptor = blossom.upload(file = file, contentType = contentType, signer = signer)
             descriptor?.url
         } catch (e: CancellationException) {
             throw e

shared/src/commonMain/kotlin/su/reya/coop/repository/SettingsRepository.kt

@@ -0,0 +1,61 @@
+package su.reya.coop.repository
+
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.flow.asStateFlow
+import kotlinx.coroutines.flow.update
+import kotlinx.coroutines.launch
+import kotlinx.serialization.encodeToString
+import kotlinx.serialization.json.Json
+import su.reya.coop.AppStorage
+import su.reya.coop.Settings
+
+class SettingsRepository(
+    private val storage: AppStorage,
+    private val scope: CoroutineScope
+) {
+    companion object {
+        private const val KEY_SETTINGS = "app_settings"
+    }
+
+    private val json = Json {
+        ignoreUnknownKeys = true
+        encodeDefaults = true
+    }
+
+    private val _settings = MutableStateFlow(Settings())
+    val settings: StateFlow<Settings> = _settings.asStateFlow()
+
+    init {
+        scope.launch {
+            _settings.value = load()
+        }
+    }
+
+    fun update(transform: (Settings) -> Settings) {
+        scope.launch {
+            val newSettings = transform(_settings.value)
+            _settings.value = newSettings
+            save(newSettings)
+        }
+    }
+
+    private suspend fun save(settings: Settings) {
+        val jsonString = json.encodeToString(settings)
+        storage.set(KEY_SETTINGS, jsonString)
+    }
+
+    private suspend fun load(): Settings {
+        val jsonString = storage.get(KEY_SETTINGS)
+        return if (jsonString != null) {
+            try {
+                json.decodeFromString<Settings>(jsonString)
+            } catch (_: Exception) {
+                Settings()
+            }
+        } else {
+            Settings()
+        }
+    }
+}

shared/src/commonMain/kotlin/su/reya/coop/viewmodel/AccountViewModel.kt

@@ -3,8 +3,6 @@ package su.reya.coop.viewmodel
 import androidx.lifecycle.ViewModel
 import kotlinx.coroutines.flow.StateFlow
 import rust.nostr.sdk.PublicKey
-import rust.nostr.sdk.RelayMetadata
-import rust.nostr.sdk.RelayUrl
 import rust.nostr.sdk.Timestamp
 import su.reya.coop.Profile
 import su.reya.coop.repository.AccountRepository
@@ -13,14 +11,9 @@ import su.reya.coop.repository.AccountState
 class AccountViewModel(
     private val repository: AccountRepository,
 ) : ViewModel(), ErrorHost by repository {
-
     val state: StateFlow<AccountState> = repository.state
     val isUpdatingProfile: StateFlow<Boolean> = repository.isUpdatingProfile
     val currentUserProfile: StateFlow<Profile?> = repository.currentUserProfile
-    val contactList: StateFlow<Set<PublicKey>> = repository.contactList
-    val isRelayListEmpty: StateFlow<Boolean> = repository.isRelayListEmpty
-    val userRelayList: StateFlow<Map<RelayUrl, RelayMetadata?>> = repository.userRelayList
-    val userMsgRelayList: StateFlow<List<RelayUrl>> = repository.userMsgRelayList
 
     fun logout(onLogout: () -> Unit = {}) = repository.logout(onLogout)
     fun dismissNotificationBanner() = repository.dismissNotificationBanner()

shared/src/commonMain/kotlin/su/reya/coop/viewmodel/ChatScreenViewModel.kt

@@ -42,6 +42,8 @@ class ChatScreenViewModel(
             messages.clear()
             messages.addAll(initialMessages.distinctBy { it.id() })
             loading = false
+            // Mark the room as read once messages are loaded
+            chatRepository.markAsRead(id)
         }
     }
 
@@ -55,6 +57,7 @@ class ChatScreenViewModel(
                 if (event.roomId() == id) {
                     if (messages.none { it.id() == event.id() }) {
                         messages.add(0, event)
+                        chatRepository.markAsRead(id)
                     }
                 } else {
                     newOtherMessages++

shared/src/commonMain/kotlin/su/reya/coop/viewmodel/ProfileCache.kt

@@ -1,16 +1,15 @@
 package su.reya.coop.viewmodel
 
+import kotlinx.coroutines.CoroutineDispatcher
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.SupervisorJob
 import kotlinx.coroutines.channels.Channel
-import kotlinx.coroutines.coroutineScope
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.StateFlow
 import kotlinx.coroutines.flow.asStateFlow
+import kotlinx.coroutines.flow.update
 import kotlinx.coroutines.launch
-import kotlinx.coroutines.sync.Mutex
-import kotlinx.coroutines.sync.withLock
 import kotlinx.coroutines.withTimeoutOrNull
 import rust.nostr.sdk.PublicKey
 import su.reya.coop.Profile
@@ -19,27 +18,41 @@ import kotlin.time.Duration.Companion.milliseconds
 
 class ProfileCache(
     private val nostr: Nostr,
+    defaultDispatcher: CoroutineDispatcher = Dispatchers.Default,
 ) : ErrorHost by createErrorHost() {
-    private val scope = CoroutineScope(SupervisorJob() + Dispatchers.Default)
-    private val profilesMutex = Mutex()
-    private val profiles = mutableMapOf<PublicKey, MutableStateFlow<Profile?>>()
+    private val scope = CoroutineScope(SupervisorJob() + defaultDispatcher)
+    private val profiles = MutableStateFlow<Map<PublicKey, MutableStateFlow<Profile?>>>(emptyMap())
+    private val seenPublicKeys = MutableStateFlow<Set<PublicKey>>(emptySet())
     private val metadataRequestChannel = Channel<PublicKey>(Channel.UNLIMITED)
-    private val seenPublicKeys = mutableSetOf<PublicKey>()
 
     init {
-        scope.launch { runObserver() }
-        scope.launch { runMetadataBatching() }
         scope.launch {
-            nostr.waitUntilInitialized()
-            loadCacheMetadata()
+            try {
+                runObserver()
+            } catch (e: Exception) {
+                showError("Metadata observer failed: ${e.message}")
+            }
+        }
+        scope.launch {
+            try {
+                runMetadataBatching()
+            } catch (e: Exception) {
+                showError("Metadata batching failed: ${e.message}")
+            }
+        }
+        scope.launch {
+            try {
+                nostr.waitUntilInitialized()
+                getCachedMetadata()
+            } catch (e: Exception) {
+                showError("Failed to load initial cache: ${e.message}")
+            }
         }
     }
 
-    private suspend fun runObserver() = coroutineScope {
-        launch {
-            nostr.profiles.metadataUpdates.collect { (pubkey, metadata) ->
-                updateMetadata(pubkey, Profile(pubkey, metadata))
-            }
+    private suspend fun runObserver() {
+        nostr.profiles.metadataUpdates.collect { (pubkey, metadata) ->
+            updateMetadata(pubkey, Profile(pubkey, metadata))
         }
     }
 
@@ -57,37 +70,69 @@ class ProfileCache(
                 batch.add(nextKey)
             }
 
-            nostr.profiles.fetchMetadataBatch(batch.toList())
-        }
-    }
-
-    private suspend fun loadCacheMetadata() {
-        val cache = nostr.profiles.getAllCacheMetadata()
-
-        profilesMutex.withLock {
-            cache.forEach { (pubkey, metadata) ->
-                val profile = Profile(pubkey, metadata)
-                profiles.getOrPut(pubkey) { MutableStateFlow(null) }.value = profile
-                seenPublicKeys.add(pubkey)
+            try {
+                nostr.profiles.fetchMetadataBatch(batch.toList())
+            } catch (e: Exception) {
+                // Allow these keys to be requested again since the fetch failed
+                seenPublicKeys.update { it - batch }
+                println("Failed to fetch metadata batch: ${e.message}")
             }
         }
     }
 
-    private fun requestMetadata(pubkey: PublicKey) {
-        if (seenPublicKeys.add(pubkey)) {
-            metadataRequestChannel.trySend(pubkey)
+    private suspend fun getCachedMetadata() {
+        val cache = nostr.profiles.getAllCacheMetadata()
+        cache.forEach { (pubkey, metadata) ->
+            updateMetadata(pubkey, Profile(pubkey, metadata))
         }
     }
 
-    private suspend fun updateMetadata(pubkey: PublicKey, profile: Profile) {
-        profilesMutex.withLock {
-            profiles.getOrPut(pubkey) { MutableStateFlow(null) }.value = profile
+    private fun requestMetadata(pubkey: PublicKey) {
+        var added = false
+        seenPublicKeys.update { current ->
+            if (current.contains(pubkey)) {
+                added = false
+                current
+            } else {
+                added = true
+                current + pubkey
+            }
         }
+        if (added) metadataRequestChannel.trySend(pubkey)
+    }
+
+    private fun updateMetadata(pubkey: PublicKey, profile: Profile) {
+        profiles.update { current ->
+            val flow = current[pubkey] ?: MutableStateFlow<Profile?>(null)
+            flow.value = profile
+            if (current.containsKey(pubkey)) current else current + (pubkey to flow)
+        }
+        seenPublicKeys.update { it + pubkey }
     }
 
     fun getMetadata(pubkey: PublicKey): StateFlow<Profile?> {
-        val flow = profiles.getOrPut(pubkey) { MutableStateFlow(null) }
-        if (flow.value == null) requestMetadata(pubkey)
-        return flow.asStateFlow()
+        val currentMap = profiles.value
+        val existingFlow = currentMap[pubkey]
+
+        if (existingFlow != null) {
+            if (existingFlow.value == null) requestMetadata(pubkey)
+            return existingFlow.asStateFlow()
+        }
+
+        val newFlow = MutableStateFlow<Profile?>(null)
+        var resultFlow = newFlow
+
+        profiles.update { prev ->
+            if (prev.containsKey(pubkey)) {
+                resultFlow = prev[pubkey]!!
+                prev
+            } else {
+                prev + (pubkey to newFlow)
+            }
+        }
+
+        if (resultFlow.value == null) requestMetadata(pubkey)
+
+        return resultFlow.asStateFlow()
     }
 }

shared/src/commonMain/kotlin/su/reya/coop/viewmodel/SettingsViewModel.kt

@@ -0,0 +1,16 @@
+package su.reya.coop.viewmodel
+
+import androidx.lifecycle.ViewModel
+import kotlinx.coroutines.flow.StateFlow
+import su.reya.coop.Settings
+import su.reya.coop.repository.SettingsRepository
+
+class SettingsViewModel(
+    private val repository: SettingsRepository
+) : ViewModel() {
+    val settings: StateFlow<Settings> = repository.settings
+
+    fun update(transform: (Settings) -> Settings) {
+        repository.update(transform)
+    }
+}