import 'dart:async'; import 'package:flutter/material.dart'; import 'package:provider/provider.dart'; import '../../providers/api/BaseProvider.dart'; class APIBuilder extends StatefulWidget { const APIBuilder( {super.key, required this.onLoad, required this.onData, this.interval, this.dto}); final DTO? dto; final Duration? interval; final Widget Function() onLoad; final Widget Function(K t) onData; @override State> createState() => _APIBuilderState(); } class _APIBuilderState extends State> { Timer? timer; @override void didUpdateWidget(APIBuilder oldWidget) { if (oldWidget.dto != widget.dto) { Provider.of(context, listen: false) .loadFuture(context, dto: widget.dto); } super.didUpdateWidget(oldWidget); } @override void initState() { super.initState(); Provider.of(context, listen: false).loadFuture(context, dto: widget.dto); if (widget.interval != null) { timer = Timer.periodic(widget.interval!, (Timer t) { Provider.of(context, listen: false).refresh(context); }); } } @override void dispose() { super.dispose(); timer?.cancel(); } @override Widget build(BuildContext context) { final Future fut = Provider.of(context).data as Future; return FutureBuilder( future: fut, builder: (context, snapshot) { if (snapshot.hasData) { return widget.onData(snapshot.data!); } else { return widget.onLoad(); } }, ); } }