flutter-crypto-app/lib/ui/screens/home.dart

import 'package:cryptocurrency_app/constants/keys.dart';
import 'package:cryptocurrency_app/provider/crypto_provider.dart';
import 'package:cryptocurrency_app/ui/widgets/favorite_pair.dart';
import 'package:cryptocurrency_app/ui/widgets/pair_tile.dart';
import 'package:flutter/material.dart';
import 'package:hooks_riverpod/hooks_riverpod.dart';
import 'package:easy_localization/easy_localization.dart';
import '../../generated/locale_keys.g.dart';

class HomeScreen extends HookConsumerWidget {
  @override
  Widget build(BuildContext context, WidgetRef ref) {
    final pairs = ref.watch(pairsProvider);
    final favoritePair = ref.watch(favoritePairProvider);
    return Container(
      key: Keys.HOME_SCREEN,
      child: Column(
        children: [
          AppBar(
            toolbarHeight: 65,
            centerTitle: false,
            title: Text(
              LocaleKeys.homeTitle.tr(),
              style: TextStyle(color: Colors.white, fontSize: 25),
            ),
            actions: [
              Container(
                margin: EdgeInsets.all(10),
                decoration: BoxDecoration(
                    color: Colors.white,
                    borderRadius: BorderRadius.circular(50)),
                width: 45,
                child: Icon(
                  Icons.person_outline,
                  size: 30,
                  color: Colors.black,
                ),
              ),
            ],
          ),
          Expanded(
            child: Column(
              children: [
                Container(
                  height: 190,
                  child: favoritePair.when(
                    data: (data) {
                      return FavoritePairWidget(data);
                    },
                    loading: () => Center(
                      child: CircularProgressIndicator(),
                    ),
                    error: (error, e) => Center(
                      child: Text(error.toString().tr()),
                    ),
                  ),
                ),
                Expanded(
                  child: pairs.when(
                    data: (data) {
                      return Container(
                        child: ListView.builder(
                          padding: EdgeInsets.only(top: 0.0),
                          itemCount: data.length,
                          itemBuilder: (ctx, int idx) => ProviderScope(
                            overrides: [
                              currentPair.overrideWithValue(data[idx]),
                            ],
                            child: const PairTile(),
                          ),
                        ),
                      );
                    },
                    loading: () => Center(
                      child: CircularProgressIndicator(),
                    ),
                    error: (error, e) => Center(
                      child: Text(error.toString().tr()),
                    ),
                  ),
                )
              ],
            ),
          ),
        ],
      ),
    );
  }
}