Restructuring the invalidateFeed events to happen quicker when users click the navigation row or when the app comes back from sleep.

app/src/main/java/com/vitorpamplona/amethyst/model/LocalCache.kt

@@ -798,7 +798,7 @@ class LocalCacheLiveData(val cache: LocalCache): LiveData<LocalCacheState>(Local
     val scope = CoroutineScope(Job() + Dispatchers.Main)
     scope.launch {
       try {
-        delay(500)
+        delay(50)
         refresh()
       } finally {
         withContext(NonCancellable) {

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

@@ -129,7 +129,7 @@ open class CardFeedViewModel(val dataSource: FeedFilter<Note>): ViewModel() {
 
     var handlerWaiting = AtomicBoolean()
 
-    private fun invalidateData() {
+    fun invalidateData() {
         if (handlerWaiting.getAndSet(true)) return
 
         val scope = CoroutineScope(Job() + Dispatchers.Default)

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

@@ -95,7 +95,9 @@ abstract class FeedViewModel(val localFilter: FeedFilter<Note>): ViewModel() {
         scope.launch {
             try {
                 delay(50)
-                refresh()
+                // adds the time to perform the refresh into this delay
+                // holding off new updates in case of heavy refresh routines.
+                refreshSuspended()
             } finally {
                 withContext(NonCancellable) {
                     handlerWaiting.set(false)

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

@@ -94,6 +94,21 @@ fun TabKnown(accountViewModel: AccountViewModel, navController: NavController) {
         feedViewModel.invalidateData()
     }
 
+    val lifeCycleOwner = LocalLifecycleOwner.current
+    DisposableEffect(accountViewModel) {
+        val observer = LifecycleEventObserver { source, event ->
+            if (event == Lifecycle.Event.ON_RESUME) {
+                NostrChatroomListDataSource.resetFilters()
+                feedViewModel.invalidateData()
+            }
+        }
+
+        lifeCycleOwner.lifecycle.addObserver(observer)
+        onDispose {
+            lifeCycleOwner.lifecycle.removeObserver(observer)
+        }
+    }
+
     Column(Modifier.fillMaxHeight()) {
         Column(
             modifier = Modifier.padding(vertical = 0.dp)

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

@@ -27,6 +27,7 @@ import com.google.accompanist.pager.HorizontalPager
 import com.google.accompanist.pager.pagerTabIndicatorOffset
 import com.google.accompanist.pager.rememberPagerState
 import com.vitorpamplona.amethyst.R
+import com.vitorpamplona.amethyst.service.NostrChatroomListDataSource
 import com.vitorpamplona.amethyst.service.NostrHomeDataSource
 import com.vitorpamplona.amethyst.ui.dal.HomeConversationsFeedFilter
 import com.vitorpamplona.amethyst.ui.dal.HomeNewThreadFeedFilter
@@ -58,6 +59,22 @@ fun HomeScreen(accountViewModel: AccountViewModel, navController: NavController)
         feedViewModelReplies.invalidateData()
     }
 
+    val lifeCycleOwner = LocalLifecycleOwner.current
+    DisposableEffect(accountViewModel) {
+        val observer = LifecycleEventObserver { source, event ->
+            if (event == Lifecycle.Event.ON_RESUME) {
+                NostrHomeDataSource.resetFilters()
+                feedViewModel.invalidateData()
+                feedViewModelReplies.invalidateData()
+            }
+        }
+
+        lifeCycleOwner.lifecycle.addObserver(observer)
+        onDispose {
+            lifeCycleOwner.lifecycle.removeObserver(observer)
+        }
+    }
+
     Column(Modifier.fillMaxHeight()) {
         Column(
             modifier = Modifier.padding(vertical = 0.dp)

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

@@ -4,11 +4,15 @@ import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.fillMaxHeight
 import androidx.compose.foundation.layout.padding
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.DisposableEffect
 import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.livedata.observeAsState
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.platform.LocalLifecycleOwner
 import androidx.compose.ui.unit.dp
+import androidx.lifecycle.Lifecycle
+import androidx.lifecycle.LifecycleEventObserver
 import androidx.lifecycle.viewmodel.compose.viewModel
 import androidx.navigation.NavController
 import com.vitorpamplona.amethyst.ui.dal.NotificationFeedFilter
@@ -28,6 +32,20 @@ fun NotificationScreen(accountViewModel: AccountViewModel, navController: NavCon
         feedViewModel.refresh()
     }
 
+    val lifeCycleOwner = LocalLifecycleOwner.current
+    DisposableEffect(accountViewModel) {
+        val observer = LifecycleEventObserver { source, event ->
+            if (event == Lifecycle.Event.ON_RESUME) {
+                feedViewModel.invalidateData()
+            }
+        }
+
+        lifeCycleOwner.lifecycle.addObserver(observer)
+        onDispose {
+            lifeCycleOwner.lifecycle.removeObserver(observer)
+        }
+    }
+
     Column(Modifier.fillMaxHeight()) {
         Column(
             modifier = Modifier.padding(vertical = 0.dp)