PhysiGo/app/lib/challenges/challenge_page.dart

import 'package:cloud_firestore/cloud_firestore.dart';
import 'package:flutter/material.dart';
import 'package:physigo/challenges/challenges_utils.dart';
import 'package:physigo/challenges/challenge.dart';

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

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: FutureBuilder<DocumentSnapshot<Map<String, dynamic>>>(
        future: ChallengesUtils.getChallenge(),
        builder: (context, snapshot) {
          switch (snapshot.connectionState) {
            case ConnectionState.waiting:
              return const Center(
                child: Text('Getting challenges...'),
              );
            case ConnectionState.done:
              if (snapshot.hasError) {
                return const Text('Error occurred');
              }
              if (snapshot.hasData) {
                return buildChallenge(snapshot.data!, context);
              }
              return const Text('No data');
            default:
              return const Text('Dunno');
          }
        },
      ),
    );
  }
}