history.dart

import 'package:flutter/services.dart';
import 'package:gecko/globals.dart';
import 'package:gecko/models/cesium_plus.dart';
import 'package:gecko/models/queries.dart';
import 'package:gecko/models/wallets_profiles.dart';
import 'package:flutter/material.dart';
import 'package:flutter/foundation.dart';
import 'package:gecko/screens/avatar_fullscreen.dart';
import 'package:gecko/screens/wallet_view.dart';
import 'dart:ui';
import 'package:graphql_flutter/graphql_flutter.dart';
import 'package:intl/intl.dart';
import 'package:provider/provider.dart';

// ignore: must_be_immutable
class HistoryScreen extends StatelessWidget with ChangeNotifier {
  HistoryScreen({@required this.pubkey, this.avatar, this.username, Key key})
      : super(key: key);
  final ScrollController scrollController = ScrollController();
  final double avatarsSize = 80;
  final String pubkey;
  final String username;
  final Image avatar;

  FetchMore fetchMore;
  FetchMoreOptions opts;

  final GlobalKey<ScaffoldState> _scaffoldKey = GlobalKey<ScaffoldState>();

  @override
  Widget build(BuildContext context) {
    SystemChrome.setPreferredOrientations([DeviceOrientation.portraitUp]);
    WalletsProfilesProvider _historyProvider =
        Provider.of<WalletsProfilesProvider>(context, listen: false);
    CesiumPlusProvider _cesiumPlusProvider =
        Provider.of<CesiumPlusProvider>(context, listen: false);
    log.i('Build pubkey : ' + pubkey);
    WidgetsBinding.instance.addPostFrameCallback((_) {});

    _historyProvider.balance = _historyProvider.transBC = null;

    return Scaffold(
        key: _scaffoldKey,
        appBar: AppBar(
          elevation: 0,
          toolbarHeight: 60 * ratio,
          title: const SizedBox(
            height: 22,
            child: Text('Historique des transactions'),
          ),
        ),
        body: Column(children: <Widget>[
          headerProfileView(context, _historyProvider, _cesiumPlusProvider),
          historyQuery(context, _cesiumPlusProvider),
        ]));
  }

  Widget historyQuery(context, CesiumPlusProvider _cesiumPlusProvider) {
    WalletsProfilesProvider _historyProvider =
        Provider.of<WalletsProfilesProvider>(context, listen: true);

    return Expanded(
        child: Column(
      mainAxisAlignment: MainAxisAlignment.start,
      mainAxisSize: MainAxisSize.max,
      children: <Widget>[
        Query(
          options: QueryOptions(
            document: gql(getHistory),
            variables: <String, dynamic>{