Raid_Manager/app/lib/disk_page.dart

import 'package:flutter/material.dart';
import 'package:provider/provider.dart';
import 'package:raid_manager/api/request.dart';
import 'package:raid_manager/breadcrumb_page/breadcrumb_page.dart';
import 'package:raid_manager/types/disk.dart';
import 'package:raid_manager/utils/disk_info_page.dart';
import 'package:raid_manager/utils/file_formatter.dart';

import 'breadcrumb_controller.dart';

class DiskPage extends StatefulWidget {
  const DiskPage({Key? key}) : super(key: key);

  @override
  State<DiskPage> createState() => _DiskPageState();
}

class _DiskPageState extends State<DiskPage> {
  Future<List<Disk>> fetchDisks() async {
    return ((await getJson('/api/disks')) as List)
        .map((e) => Disk.fromJson(e))
        .toList(growable: false);
  }

  @override
  void initState() {
    super.initState();
    myFetch = fetchDisks();
  }

  late Future<List<Disk>> myFetch;

  Widget _buildMainPage() {
    return Expanded(
      child: FutureBuilder(
        future: myFetch,
        builder: (context, snapshot) {
          if (snapshot.connectionState != ConnectionState.done) {
            return const CircularProgressIndicator();
          }

          if (snapshot.hasError) {
            print(snapshot.error);
            return const Text("errored");
          } else if (snapshot.hasData) {
            final data = snapshot.data!;
            return ListView.builder(
              itemCount: data.length,
              physics: const AlwaysScrollableScrollPhysics(),
              itemBuilder: (context, idx) {
                return ListTile(
                  title: Text(
                    data[idx].name,
                    style: Theme.of(context).textTheme.headlineMedium,
                  ),
                  subtitle: Text(
                    data[idx].size.readableFileSize(),
                    style: Theme.of(context).textTheme.labelMedium,
                  ),
                  onTap: () {
                    Provider.of<BreadCrumbController>(context, listen: false)
                        .pushPage(const DiskInfoPage(), data[idx].name);
                  },
                );
              },
            );
          } else {
            return const Text("loading...");
          }
        },
      ),
    );
  }

  @override
  Widget build(BuildContext context) {
    return BreadCrumbPage(
      mainPage: _buildMainPage(),
      rootName: "Disks",
    );
  }
}