225 lines
10 KiB
Dart
225 lines
10 KiB
Dart
import 'dart:convert';
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import 'package:meincantor/networking.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter_markdown/flutter_markdown.dart';
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import 'package:http/http.dart' as http;
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import 'package:material_design_icons_flutter/material_design_icons_flutter.dart';
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import 'package:shared_preferences/shared_preferences.dart';
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Future<List> getNewsRead() async {
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SharedPreferences prefs = await SharedPreferences.getInstance();
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String? newsReadString = prefs.getString("newsRead");
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List<dynamic> newsRead;
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if (newsReadString == null ||
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(jsonDecode(newsReadString) as List<dynamic>).isEmpty) {
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newsRead = [];
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} else {
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newsRead = jsonDecode(newsReadString) as List<dynamic>;
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}
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return newsRead;
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}
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class News extends StatefulWidget {
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const News({Key? key}) : super(key: key);
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@override
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State<StatefulWidget> createState() => _NewsState();
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}
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class _NewsState extends State<News> {
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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appBar: AppBar(
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title: const Text("Aktuelles"),
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centerTitle: true,
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),
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body: FutureBuilder<http.Response>(
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future: getNews(),
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builder: (context, snapshot) {
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if (snapshot.hasData) {
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int statusCode = snapshot.data!.statusCode;
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if (statusCode == 200) {
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String data = utf8.decode(snapshot.data!.bodyBytes);
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List articles = jsonDecode(data);
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List<Widget> articleTiles = [];
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for (var element in articles) {
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Color color = Colors.white70;
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Widget card = FutureBuilder(
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future: getNewsRead(),
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builder: (context, snapshot) {
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if (snapshot.hasData) {
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List<dynamic> readList = snapshot.data! as List<dynamic>;
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if (!readList.contains(element["id"])) {
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return GestureDetector(
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onTap: () async {
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SharedPreferences prefs =
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await SharedPreferences.getInstance();
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Navigator.push(
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context,
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MaterialPageRoute(
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builder: (context) => Article.fromData(
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element["title"],
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element["content"],
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element["author"],
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element["published_at"])
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.widget),
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);
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readList.add(element["id"]);
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prefs.setString("newsRead", jsonEncode(readList));
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setState(() {
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color = Colors.transparent;
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});
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},
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child: Card(
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color: color,
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child: Padding(
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padding:
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const EdgeInsets.fromLTRB(10, 10, 10, 10),
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child: FutureBuilder(
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future: Future.delayed(
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const Duration(seconds: 0)),
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builder: (context, snapshot) {
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if (element["summary"] != null &&
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(element["summary"] as String)
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.isNotEmpty) {
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return ListTile(
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title: Text(element["title"],
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style: const TextStyle(
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fontWeight: FontWeight.bold)),
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subtitle: Text(
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element["summary"],
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overflow: TextOverflow.ellipsis,
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maxLines: 2,
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softWrap: true,
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),
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trailing: Text(
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"${DateTime.parse(element["published_at"]).day.toString()}.${DateTime.parse(element["published_at"]).month.toString()}.${DateTime.parse(element["published_at"]).year.toString()}"),
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);
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} else {
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return ListTile(
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title: Text(element["title"],
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style: const TextStyle(
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fontWeight: FontWeight.bold)),
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trailing: Text(
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"${DateTime.parse(element["published_at"]).day.toString()}.${DateTime.parse(element["published_at"]).month.toString()}.${DateTime.parse(element["published_at"]).year.toString()}"),
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);
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}
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},
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)),
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(15),
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)),
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);
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} else {
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return GestureDetector(
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onTap: () {
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Navigator.push(
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context,
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MaterialPageRoute(
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builder: (context) => Article.fromData(
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element["title"],
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element["content"],
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element["author"],
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element["published_at"])
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.widget),
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);
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},
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child: Card(
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child: Padding(
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padding:
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const EdgeInsets.fromLTRB(10, 10, 10, 10),
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child: FutureBuilder(
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future: Future.delayed(
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const Duration(seconds: 0)),
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builder: (context, snapshot) {
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if (element["summary"] != null &&
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(element["summary"] as String)
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.isNotEmpty) {
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return ListTile(
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title: Text(element["title"],
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style: const TextStyle(
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fontWeight: FontWeight.bold)),
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subtitle: Text(
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element["summary"],
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overflow: TextOverflow.ellipsis,
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maxLines: 2,
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softWrap: true,
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),
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trailing: Text(
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"${DateTime.parse(element["published_at"]).day.toString()}.${DateTime.parse(element["published_at"]).month.toString()}.${DateTime.parse(element["published_at"]).year.toString()}"),
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);
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} else {
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return ListTile(
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title: Text(element["title"],
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style: const TextStyle(
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fontWeight: FontWeight.bold)
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),
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trailing: Text(
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"${DateTime.parse(element["published_at"]).day.toString()}.${DateTime.parse(element["published_at"]).month.toString()}.${DateTime.parse(element["published_at"]).year.toString()}"),
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);
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}
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},
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)),
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(15),
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)),
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);
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}
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} else {
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return const LinearProgressIndicator();
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}
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},
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);
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articleTiles.add(card);
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}
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return ListView(
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children: articleTiles.reversed.toList(),
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);
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} else {
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return (const Center(
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child: Text("Uups... Irgendwas ist schief gelaufen")));
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}
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} else {
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return (const Center(child: CircularProgressIndicator()));
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}
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},
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),
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);
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}
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}
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class Article {
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Widget widget;
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//const Article({Key? key}) : super(key: key);
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Article({required this.widget});
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factory Article.fromData(
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String title, String content, String author, String publishDate) {
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return Article(
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widget: Scaffold(
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appBar: AppBar(
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title: SingleChildScrollView(
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scrollDirection: Axis.vertical,
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child: SingleChildScrollView(
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scrollDirection: Axis.horizontal, child: Text(title)),
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),
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centerTitle: true,
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),
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body: ListView(
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padding: const EdgeInsets.fromLTRB(15, 15, 15, 15),
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children: [
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ListTile(
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leading: const Icon(MdiIcons.accountOutline),
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title: Text(author),
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),
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ListTile(
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leading: const Icon(MdiIcons.calendarOutline),
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title: Text(
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"${DateTime.parse(publishDate).day.toString()}.${DateTime.parse(publishDate).month.toString()}.${DateTime.parse(publishDate).year.toString()}"),
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),
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MarkdownBody(data: content)
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],
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)));
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}
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}
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