nostr_console/bin/nostr_console.dart

import 'dart:io';
import 'package:nostr_console/nostr_console_ds.dart';
import 'package:nostr_console/relays.dart';
import 'package:args/args.dart';


var    userPublickey = "3235036bd0957dfb27ccda02d452d7c763be40c91a1ac082ba6983b25238388c"; // vishalxl
// var    userPublickey = "32e1827635450ebb3c5a7d12c1f8e7b2b514439ac10a67eef3d9fd9c5c68e245"; // jb55
// var    userPublickey = "3bf0c63fcb93463407af97a5e5ee64fa883d107ef9e558472c4eb9aaaefa459d"; // fiatjaf

const request = "request";

void printEventsAsTree(events) {
      if( events.length == 0) {
        print("events length = 0");
        return;
      }
      events.removeWhere( (item) => item.eventData.kind != 1 );  
      // remove duplicate events
      final ids = Set();
      events.retainWhere((x) => ids.add(x.eventData.id));

      // create tree from events
      Tree node = Tree.fromEvents(events);

      // print all the events in tree form  
      node.printTree(0, true);

      print('\nnumber of all events: ${events.length}');

}

Future<void> main(List<String> arguments) async {
  List<Event>  events = [];
  int numEvents = 6;

  final parser = ArgParser()..addOption(request, abbr: 'r');
  ArgResults argResults = parser.parse(arguments);

  if( argResults[request] != null) {
    stdout.write("got argument request ${argResults[request]}");
    sendRequest("wss://nostr-pub.wellorder.net", argResults[request], events);
    Future.delayed(const Duration(milliseconds: 6000), () {
        printEventsAsTree(events);
        exit(0);      
    });
    return;
  }


  // the default in case no arguments are given is:
  // get a user's events, then from its type 3 event, gets events of its follows,
  // then get the events of user-id's mentioned in p-tags of received events
  // then display them all
  getUserEvents(defaultServerUrl, userPublickey, events, numEvents);
  
  print('waiting for user events to come in');
  Future.delayed(const Duration(milliseconds: 2000), () {

    for( int i = 0; i < events.length; i++) {
      var e = events[i];
      if( e.eventData.kind == 3) {
        print('calling getfeed');
        getFeed(e.eventData.contactList, events, 20);
      }
    }

    print('waiting for feed to come in');
    Future.delayed(const Duration(milliseconds: 4000), () {
      
      print('====================all events =================');
      
      List<String> pTags = getpTags(events);
      print("Total number of pTags = ${pTags.length}\n");

      for(int i = 0; i < pTags.length; i++) {
        getUserEvents( defaultServerUrl, pTags[i], events, 10);
      }

      Future.delayed(const Duration(milliseconds: 4000), () {
        printEventsAsTree(events);
        exit(0);
      });
    });
  });
}