printed notifications for channels too at start

so all three notifications get printed now at start

lib/console_ui.dart

@@ -501,7 +501,7 @@ Future<void> channelMenuUI(Store node) async {
 
     //await processNotifications(node); // this takes 300 ms
     if( !justShowedChannels) {
-      node.printAllChannelsInfo(20);
+      node.printAllChannelsInfo(20, selectorShowAllRooms);
       justShowedChannels = true;
     }
 
@@ -512,7 +512,7 @@ Future<void> channelMenuUI(Store node) async {
     print('You picked: $option');
     switch(option) {
       case 1:
-        node.printAllChannelsInfo(1000);
+        node.printAllChannelsInfo(1000, selectorShowAllRooms);
         justShowedChannels = true;
         break;
       case 2:
@@ -587,12 +587,13 @@ Future<void> PrivateMenuUI(Store node) async {
 //    bool fromClient (Tree t) => t.fromClientSelector(clientName);
 //    node.printTree(0, DateTime.now().subtract(Duration(days:gNumLastDays)), fromClient); // search for last gNumLastDays only
 
-    bool showAllRooms (DirectMessageRoom room) => selectorShowAllDirectRooms(room);
+    bool showAllRooms (ScrollableMessages room) => selectorShowAllRooms(room);
     node.printDirectRoomInfo(showAllRooms);
 
 
     int option = showMenu([ 
                             'Reply or Send a direct message',
+                            'Create hub group chat',
                             'Go back to main menu'],          // 3
                           "Private Message Menu"); // name of menu
     print('You picked: $option');
@@ -654,6 +655,9 @@ Future<void> PrivateMenuUI(Store node) async {
         break;
 
       case 2:
+
+
+      case 3:
         continueChatMenu = false;
         break;
 
@@ -672,9 +676,11 @@ Future<void> mainMenuUi(Store node) async {
     bool hasRepliesAndLikes (Tree t) => t.hasRepliesAndLikes(userPublicKey);
     node.printTree(0, DateTime.now().subtract(Duration(days:gNumLastDays)), hasRepliesAndLikes);
 
-    bool showNotifications (DirectMessageRoom room) => room.selectorNotifications();
+    bool showNotifications (ScrollableMessages room) => room.selectorNotifications();
     node.printDirectRoomInfo(showNotifications);
 
+    node.printAllChannelsInfo(20, showNotifications);
+
 
     bool userContinue = true;
     while(userContinue) {

lib/event_ds.dart

@@ -214,6 +214,13 @@ class EventData {
       String? decrypted = decryptContent();
       if( decrypted != null) {
         evaluatedContent = decrypted;
+
+        // hubgroup can have two types of messages
+        // 1. sent by self, declaring the pub/pri keys of the new group chat and its N members (not including user themselve). Its len is (64) * (2 + N) and spaces 
+        //                hub grp pubkey, hub grp prikey, participant1, participant2, .. participantN 
+        // 2. Messages from users that are to be broadcast to others
+        //                hub grp pubkey, <message> 
+        //    
       }
       break;
     } // end switch

lib/tree_ds.dart

@@ -5,7 +5,7 @@ import 'package:nostr_console/event_ds.dart';
 import 'package:nostr_console/settings.dart';
 
 typedef fTreeSelector = bool Function(Tree a);
-typedef fDirectRoomSelector = bool Function(DirectMessageRoom room);
+typedef fRoomSelector = bool Function(ScrollableMessages room);
 
 Store? gStore = null;
 
@@ -13,7 +13,7 @@ bool selectorShowAllTrees(Tree t) {
   return true;
 }
 
-bool selectorShowAllDirectRooms(DirectMessageRoom room) {
+bool selectorShowAllRooms(ScrollableMessages room) {
   return true;
 }
 
@@ -772,7 +772,7 @@ class Store {
                   allChildEventsMap[parentId]?.children.add(newTree);
                 } else {
                   // create top unknown parent and then add it
-                  Event dummy = Event("","",  EventData(parentId, gDummyAccountPubkey, newTree.event.eventData.createdAt, 1, "Unknown parent event", [], [], [], [[]], {}), [""], "[json]");
+                  Event dummy = Event("","",  EventData(parentId, gDummyAccountPubkey, newTree.event.eventData.createdAt, 1, "Event not loaded", [], [], [], [[]], {}), [""], "[json]");
                   Tree dummyTopNode = Tree.withoutStore(dummy, []);
                   dummyTopNode.children.add(newTree);
                   topPosts.add(dummyTopNode);
@@ -970,7 +970,22 @@ class Store {
   /**
    * @printAllChennelsInfo Print one line information about all channels, which are type 40 events ( class ChatRoom)
    */
-  void printAllChannelsInfo(int numToPrint) {
+  void printAllChannelsInfo(int numToPrint, fRoomSelector selector) {
+
+    int numRoomsSelected = 0;
+    for( int j = 0; j < channels.length; j++) {
+      if( selector(channels[j]))
+        numRoomsSelected++;
+    }
+
+    if( numRoomsSelected == 0) {
+      return;
+    }
+
+    // if selected rooms is less, then print only that
+    if( numRoomsSelected < numToPrint)
+      numToPrint = numRoomsSelected;
+
     channels.sort(scrollableCompareTo);
     print("");
     if( numToPrint < channels.length) {
@@ -1066,7 +1081,7 @@ class Store {
   /**
    * @printDirectRoomInfo Print one line information about chat rooms
    */
-  void printDirectRoomInfo(fDirectRoomSelector roomSelector) { 
+  void printDirectRoomInfo(fRoomSelector roomSelector) { 
     directRooms.sort(scrollableCompareTo);
 
     int numNotificationRooms = 0;