flutter_app/lib/model.dart

import 'dart:convert';

import 'package:flutter/cupertino.dart';
import 'dart:async';
import 'dart:collection';

import 'cwtch/cwtch.dart';

////////////////////
///   UI State   ///
////////////////////

//todo: delete
class ProfileModel {
  String onion;
  String nickname;
  String creationDate;
  String imagePath;
  HashMap<String, ContactModel> contacts;
}

//todo: delete
class ContactModel {
  String onion;
  String nickname;
  bool isGroup;
  bool isInvitation;
  bool isBlocked;
  String status;
  String imagePath;

  ContactModel({this.onion, this.nickname, this.status, this.isInvitation, this.isBlocked, this.imagePath});
}

//todo: delete
class DanMessageModel {
  // ignore: non_constant_identifier_names
  String Timestamp;
  // ignore: non_constant_identifier_names
  bool Acknowledged;
  // ignore: non_constant_identifier_names
  String Message;
}

class ChatMessage {
  final int o;
  final String d;

  ChatMessage({this.o, this.d});

  ChatMessage.fromJson(Map<String, dynamic> json)
      : o = json['o'],
        d = json['d'];

  Map<String, dynamic> toJson() => {
        'o': o,
        'd': d,
      };
}

///////////////////
///  Providers  ///
///////////////////

class ProfileListState extends ChangeNotifier {
  List<ProfileInfoState> _profiles = [];
  int get num => _profiles.length;

  void addAll(Iterable<ProfileInfoState> newProfiles) {
    _profiles.addAll(newProfiles);
    notifyListeners();
  }

  void add(ProfileInfoState newProfile) {
    print("ProfileListState: adding " + newProfile.onion + " and notifying");
    _profiles.add(newProfile);
    notifyListeners();
  }

  List<ProfileInfoState> get profiles => _profiles.sublist(0); //todo: copy?? dont want caller able to bypass changenotifier

  ProfileInfoState getProfile(String onion) {
    int idx = _profiles.indexWhere((element) => element.onion == onion);
    return idx >= 0 ? _profiles[idx] : null;
  }
}

class ContactListState extends ChangeNotifier {
  List<ContactInfoState> _contacts = [];
  int get num => _contacts.length;

  void addAll(Iterable<ContactInfoState> newContacts) {
    _contacts.addAll(newContacts);
    notifyListeners();
  }

  void add(ContactInfoState newContact) {
    _contacts.add(newContact);
    notifyListeners();
  }

  void updateUnreadMessages(String forOnion, int newVal) {
    _contacts.sort((ContactInfoState a, ContactInfoState b) {
      return b.unreadMessages - a.unreadMessages;
    });
    //<todo> if(changed) {
    notifyListeners();
    //} </todo>
  }

  List<ContactInfoState> get contacts => _contacts.sublist(0); //todo: copy?? dont want caller able to bypass changenotifier

  ContactInfoState getContact(String onion) {
    int idx = _contacts.indexWhere((element) => element.onion == onion);
    return idx >= 0 ? _contacts[idx] : null;
  }
}

class ProfileInfoState extends ChangeNotifier {
  ContactListState _contacts = ContactListState();
  final String onion;
  String _nickname = "";
  String _imagePath = "";
  int _unreadMessages = 0;

  ProfileInfoState({
    this.onion,
    nickname = "",
    imagePath = "",
    unreadMessages = 0,
    contactsJson = "",
  }) {
    this._nickname = nickname;
    this._imagePath = imagePath;
    this._unreadMessages = unreadMessages;

    if (contactsJson != null && contactsJson != "" && contactsJson != "null") {
      print("decoding " + contactsJson);
      List<dynamic> contacts = jsonDecode(contactsJson);
      this._contacts.addAll(contacts.map((contact) {
        return ContactInfoState(
          profileOnion: this.onion,
          onion: contact["onion"],
          nickname: contact["name"],
          status: contact["status"],
          imagePath: contact["picture"],
          numMessages: contact["numMessages"],
          numUnread: contact["numUnread"],
        );
      }));
    }
  }

  String get nickname => this._nickname;
  set nickname(String newValue) {
    this._nickname = newValue;
    notifyListeners();
  }

  String get imagePath => this._imagePath;
  set imagePath(String newVal) {
    this._imagePath = newVal;
    notifyListeners();
  }

  int get unreadMessages => this._unreadMessages;
  set unreadMessages(int newVal) {
    this._unreadMessages = newVal;
    notifyListeners();
  }

  ContactListState get contactList => this._contacts;

  @override
  void dispose() {
    super.dispose();
    print("profileinfostate.dispose()");
  }
}

class ContactInfoState extends ChangeNotifier {
  final String profileOnion;
  final String onion;
  String _nickname;
  bool _isGroup;
  bool _isInvitation;
  bool _isBlocked;
  String _status;
  String _imagePath;
  int _totalMessages = 0;
  int _unreadMessages = 0;

  ContactInfoState({
    this.profileOnion,
    this.onion,
    nickname = "",
    isGroup = false,
    isInvitation = false,
    isBlocked = false,
    status = "",
    imagePath = "",
    numMessages = 0,
    numUnread = 0,
  }) {
    this._nickname = nickname;
    this._isGroup = isGroup;
    this._isInvitation = isInvitation;
    this._isBlocked = isBlocked;
    this._status = status;
    this._imagePath = imagePath;
    this._totalMessages = numMessages;
    this._unreadMessages = numUnread;
  }

  get nickname => this._nickname;
  set nickname(String newVal) {
    this._nickname = newVal;
    notifyListeners();
  }

  get isInvitation => this._isInvitation;
  set isInvitation(bool newVal) {
    this._isInvitation = newVal;
    notifyListeners();
  }

  get status => this._status;
  set status(String newVal) {
    this._status = newVal;
    notifyListeners();
  }

  get unreadMessages => this._unreadMessages;
  set unreadMessages(int newVal) {
    this._unreadMessages = newVal;
    notifyListeners();
  }

  get totalMessages => this._totalMessages;
  set totalMessages(int newVal) {
    this._totalMessages = newVal;
    notifyListeners();
  }

  get imagePath => this._imagePath;
  set imagePath(String newVal) {
    this._imagePath = newVal;
    notifyListeners();
  }
}

/////////////
///  ACN  ///
/////////////

class AppModel {
  final Cwtch cwtch;
  AppModel({this.cwtch});

  Stream<String> contactEvents() async* {
    while (true) {
      String event = await cwtch.ContactEvents();
      if (event != "") {
        print(event);
        yield event;
      } else {
        print("TEST TEST FAIL TEST FAIL 123");
        await Future.delayed(Duration(seconds: 1));
      }
    }
  }

  Stream<String> torStatus() async* {
    while (true) {
      String event = await cwtch.ACNEvents();
      if (event != "") {
        yield event;
      } else {
        print("TOR TEST TEST FAIL TEST FAIL 123");
        await Future.delayed(Duration(seconds: 1));
      }
    }
  }
}