gdev_annuaire/lib/main.dart

// ignore_for_file: avoid_print

import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:gdev_annuaire/queries.dart';
import 'package:graphql_flutter/graphql_flutter.dart';
// import 'package:hive_flutter/hive_flutter.dart';
import 'package:qr_flutter/qr_flutter.dart';
import 'package:truncate/truncate.dart';

// late Box addressBox;
bool canAdd = false;
List profiles = [];
bool showAll = false;

Future<void> main() async {
  WidgetsFlutterBinding.ensureInitialized();

  const indexerEndpoint = "https://duniter-indexer.coinduf.eu/v1/graphql";

  // await Hive.initFlutter();

  // addressBox = await Hive.openBox("addressBox");
  // await addressBox.clear();

  runApp(const MyApp(indexerEndpoint));
}

class MyApp extends StatelessWidget {
  const MyApp(this.indexerEndpoint, {Key? key}) : super(key: key);
  final String? indexerEndpoint;

  @override
  Widget build(BuildContext context) {
    final httpLink = HttpLink(
      indexerEndpoint!,
    );

    final client = ValueNotifier(
      GraphQLClient(
        cache: GraphQLCache(),
        link: httpLink,
      ),
    );

    return GraphQLProvider(
      client: client,
      child: MaterialApp(
        title: 'ĞDev annuaire',
        theme: ThemeData(
          primarySwatch: Colors.blue,
        ),
        home: const MyHomePage(title: 'ĞDev annuaire'),
      ),
    );
  }
}

class MyHomePage extends StatefulWidget {
  const MyHomePage({Key? key, required this.title}) : super(key: key);

  final String title;

  @override
  State<MyHomePage> createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  refresh() {
    setState(() {});
  }

  @override
  void initState() {
    // showAll = false;
    super.initState();
  }

  @override
  Widget build(BuildContext context) {
    // profiles.clear();
    // addressBox.toMap().forEach((key, value) {
    //   profiles.add(value);
    // });

    return Scaffold(
      backgroundColor: yellowC,
      body: profileTiles(context, refresh),
    );
  }
}

Widget profileTiles(BuildContext context, refresh) {
  final double screenWidth = MediaQuery.of(context).size.width;
  int nbrColumn = 9;
  if (screenWidth <= 600) {
    nbrColumn = 1;
  } else if (screenWidth <= 900) {
    nbrColumn = 2;
  } else if (screenWidth <= 1200) {
    nbrColumn = 3;
  } else if (screenWidth <= 1500) {
    nbrColumn = 4;
  } else if (screenWidth <= 1800) {
    nbrColumn = 5;
  } else if (screenWidth <= 2100) {
    nbrColumn = 6;
  } else if (screenWidth <= 2400) {
    nbrColumn = 7;
  } else if (screenWidth <= 2700) {
    nbrColumn = 8;
  }

  return Query(
      options: QueryOptions(
        document: gql(showAll ? getAllAccountsQ : getAllIdentitiesQ),
        // pollInterval: const Duration(seconds: 10),
      ),
      builder: (QueryResult resultQ,
          {VoidCallback? refetch, FetchMore? fetchMore}) {
        if (resultQ.hasException) {
          return Text(resultQ.exception.toString());
        }

        if (resultQ.isLoading) {
          return const Text('Loading');
        }

        final List listProfiles = resultQ.data?['account'] ?? [];

        return CustomScrollView(
          slivers: <Widget>[
            const SliverToBoxAdapter(child: SizedBox(height: 15)),
            SliverToBoxAdapter(
              child: InkWell(
                onTap: () {
                  showAll = !showAll;
                  refresh();
                },
                child: Row(children: [
                  const SizedBox(width: 10),
                  Icon(
                    showAll ? Icons.check_box : Icons.check_box_outline_blank,
                    color: orangeC,
                  ),
                  const SizedBox(width: 8),
                  Text(
                    'Afficher tous les comptes existants',
                    style: TextStyle(fontSize: 16, color: Colors.grey[700]),
                  ),
                ]),
              ),
            ),
            const SliverToBoxAdapter(child: SizedBox(height: 15)),
            SliverGrid.count(
              key: const Key('listWallets'),
              crossAxisCount: nbrColumn,
              childAspectRatio: 1,
              crossAxisSpacing: 0,
              mainAxisSpacing: 0,
              children: <Widget>[
                for (Map profile in listProfiles)
                  Container(
                    color: yellowC,
                    child: Padding(
                      padding: const EdgeInsets.all(0),
                      child: Container(
                        // color: Colors.orange[100],
                        decoration: BoxDecoration(
                          // shape: BoxShape.circle,
                          gradient: RadialGradient(
                            radius: 1.3,
                            colors: [
                              // yellowC,
                              Colors.white,
                              Colors.orange[300]!,
                            ],
                          ),
                        ),
                        child: Padding(
                          padding: const EdgeInsets.all(10),
                          child: tile(
                              context,
                              profile['id'],
                              profile['identity']?['name'] ?? '',
                              profile['identity']?['validated_at'] == null
                                  ? false
                                  : true),
                        ),
                      ),
                    ),
                  ),
              ],
            ),
          ],
        );
      });
}

Widget tile(BuildContext context, String address, String name, bool isMember) {
  return Container(
    decoration: BoxDecoration(
      color: Colors.orange[50],
      shape: BoxShape.circle,
    ),
    child: Padding(
        padding: const EdgeInsets.symmetric(horizontal: 10, vertical: 10),
        child: Column(
          crossAxisAlignment: CrossAxisAlignment.center,
          children: [
            GestureDetector(
              onTap: () {},
              child: Text(
                name,
                style: TextStyle(
                    fontWeight: FontWeight.w600,
                    fontSize: 17,
                    color: isMember ? orangeC : Colors.black),
              ),
            ),
            const SizedBox(height: 3),
            InkWell(
              onTap: () => snackCopyKey(context, address),
              child: Text(
                getShortPubkey(address),
                style:
                    const TextStyle(fontWeight: FontWeight.w500, fontSize: 17),
              ),
            ),
            QrImageWidget(
              // gapless: false,
              data: address,
              version: QrVersions.auto,
              size: 200,
            ),
          ],
        )),
  );
}

String getShortPubkey(String pubkey) {
  String pubkeyShort = truncate(pubkey, 7,
          omission: String.fromCharCode(0x2026),
          position: TruncatePosition.end) +
      truncate(pubkey, 6, omission: "", position: TruncatePosition.start);
  return pubkeyShort;
}

snackCopyKey(BuildContext context, String address) {
  // _copyToClipboardHack(address);
  Clipboard.setData(ClipboardData(text: address));

  const snackBar = SnackBar(
      padding: EdgeInsets.all(20),
      content: Text("Cette adresse a été copié dans votre presse-papier.",
          style: TextStyle(fontSize: 16)),
      duration: Duration(seconds: 2));
  ScaffoldMessenger.of(context).showSnackBar(snackBar);
}

Future<List> getDbData() async {
  return profiles;
}

bool isAddress(address) {
  final RegExp regExp = RegExp(
    r'^[a-zA-Z0-9]+$',
    caseSensitive: false,
    multiLine: false,
  );

  if (regExp.hasMatch(address) == true &&
      address.length > 45 &&
      address.length < 52) {
    // canAdd = true;

    return true;
  } else {
    // canAdd = false;
    return false;
  }
}

// Colors
Color orangeC = const Color(0xffd07316);
Color yellowC = const Color(0xffFFD68E);
Color floattingYellow = const Color(0xffEFEFBF);
Color backgroundColor = const Color(0xFFF5F5F5);