gecko/lib/screens/search_result.dart

import 'package:flutter/services.dart';
import 'package:gecko/globals.dart';
import 'package:flutter/material.dart';
import 'package:gecko/providers/cesium_plus.dart';
import 'package:gecko/models/g1_wallets_list.dart';
import 'package:gecko/providers/substrate_sdk.dart';
import 'package:gecko/providers/wallet_options.dart';
import 'package:gecko/providers/wallets_profiles.dart';
import 'package:gecko/providers/search.dart';
import 'package:gecko/screens/wallet_view.dart';
import 'package:provider/provider.dart';

class SearchResultScreen extends StatelessWidget {
  const SearchResultScreen({Key? key}) : super(key: key);

  @override
  Widget build(BuildContext context) {
    SystemChrome.setPreferredOrientations([DeviceOrientation.portraitUp]);
    SearchProvider _searchProvider =
        Provider.of<SearchProvider>(context, listen: false);
    CesiumPlusProvider _cesiumPlusProvider =
        Provider.of<CesiumPlusProvider>(context, listen: false);
    WalletsProfilesProvider _walletsProfilesClass =
        Provider.of<WalletsProfilesProvider>(context, listen: false);

    int keyID = 0;
    double _avatarSize = 55;

    return Scaffold(
      appBar: AppBar(
        toolbarHeight: 60 * ratio,
        title: const SizedBox(
          height: 22,
          child: Text('Résultats de votre recherche'),
        ),
      ),
      body: SafeArea(
        child: Padding(
          padding: const EdgeInsets.symmetric(horizontal: 20),
          child:
              Column(crossAxisAlignment: CrossAxisAlignment.start, children: <
                  Widget>[
            const SizedBox(height: 30),
            RichText(
              text: TextSpan(
                style: TextStyle(
                  fontSize: 18,
                  color: Colors.grey[700],
                ),
                children: <TextSpan>[
                  const TextSpan(
                    text: "Résultats pour ",
                  ),
                  TextSpan(
                    text: '"${_searchProvider.searchController.text}"',
                    style: const TextStyle(fontStyle: FontStyle.italic),
                  ),
                ],
              ),
            ),
            const SizedBox(height: 40),
            Text(
              'Dans la blockchain $currencyName',
              style: const TextStyle(fontSize: 20),
            ),
            const SizedBox(height: 20),
            FutureBuilder(
              future: _searchProvider.searchBlockchain(),
              builder: (context, AsyncSnapshot<List?> snapshot) {
                if (snapshot.connectionState == ConnectionState.done) {
                  return Expanded(
                    child: ListView(children: <Widget>[
                      for (G1WalletsList g1Wallet in snapshot.data ?? [])
                        Padding(
                          padding: const EdgeInsets.symmetric(horizontal: 5),
                          child: ListTile(
                              key: Key('searchResult${keyID++}'),
                              horizontalTitleGap: 40,
                              contentPadding: const EdgeInsets.all(5),
                              leading: g1WalletsBox
                                          .get(g1Wallet.pubkey)
                                          ?.avatar !=
                                      null
                                  ? ClipOval(
                                      child: g1WalletsBox
                                          .get(g1Wallet.pubkey)!
                                          .avatar)
                                  : FutureBuilder(
                                      future: _cesiumPlusProvider.getAvatar(
                                          g1Wallet.pubkey, _avatarSize),
                                      builder: (BuildContext context,
                                          AsyncSnapshot<Image?> _avatar) {
                                        if (_avatar.connectionState !=
                                                ConnectionState.done ||
                                            _avatar.hasError) {
                                          return Stack(children: [
                                            _cesiumPlusProvider
                                                .defaultAvatar(_avatarSize),
                                            Positioned(
                                              top: 8,
                                              right: 0,
                                              width: 12,
                                              height: 12,
                                              child: CircularProgressIndicator(
                                                strokeWidth: 1,
                                                color: orangeC,
                                              ),
                                            ),
                                          ]);
                                        }
                                        if (_avatar.hasData) {
                                          final _w =
                                              g1WalletsBox.get(g1Wallet.pubkey);
                                          if (_w != null) {
                                            _w.avatar = _avatar.data;
                                          }
                                          return ClipOval(child: _avatar.data);
                                        } else {
                                          g1WalletsBox
                                                  .get(g1Wallet.pubkey)!
                                                  .avatar =
                                              _cesiumPlusProvider
                                                  .defaultAvatar(_avatarSize);
                                          return _cesiumPlusProvider
                                              .defaultAvatar(_avatarSize);
                                        }
                                      }),
                              title: Row(children: <Widget>[
                                Text(
                                    
                                        getShortPubkey(g1Wallet.pubkey!),
                                    style: const TextStyle(
                                        fontSize: 18,
                                        fontFamily: 'Monospace',
                                        fontWeight: FontWeight.w500),
                                    textAlign: TextAlign.center),
                              ]),
                              trailing: Column(
                                  mainAxisAlignment: MainAxisAlignment.center,
                                  children: [
                                    balance(context, g1Wallet.pubkey!, 16)
                                  ]),
                              subtitle: Row(children: <Widget>[
                                Text(g1Wallet.id?.username ?? '',
                                    style: const TextStyle(
                                        fontSize: 18,
                                        fontWeight: FontWeight.w500),
                                    textAlign: TextAlign.center),
                              ]),
                              dense: false,
                              isThreeLine: false,
                              onTap: () {
                                Navigator.push(
                                  context,
                                  MaterialPageRoute(builder: (context) {
                                    _walletsProfilesClass.pubkey =
                                        g1Wallet.pubkey;
                                    return WalletViewScreen(
                                      pubkey: g1Wallet.pubkey,
                                      username: g1WalletsBox
                                          .get(g1Wallet.pubkey)
                                          ?.id
                                          ?.username,
                                      avatar: g1WalletsBox
                                          .get(g1Wallet.pubkey)
                                          ?.avatar,
                                    );
                                  }),
                                );
                              }),
                        ),
                    ]),
                  );
                }
                return Center(
                  heightFactor: 5,
                  child: CircularProgressIndicator(
                    strokeWidth: 3,
                    backgroundColor: yellowC,
                    color: orangeC,
                  ),
                );
              },
            ),
            // Text(
            //   _searchProvider.searchResult.toString(),
            // )
          ]),
        ),
      ),
    );
  }
}