112 lines
3.7 KiB
Plaintext
112 lines
3.7 KiB
Plaintext
import 'package:flutter/material.dart';
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import 'package:http/http.dart' as http;
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import 'package:flutter_project/bars/app_bar';
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import 'package:flutter_project/bars/bottom_bar';
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import 'package:html/parser.dart' as htmlParser;
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class NoticiasPage extends StatefulWidget {
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const NoticiasPage({Key? key}) : super(key: key);
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@override
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_NoticiasPageState createState() => _NoticiasPageState();
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}
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class _NoticiasPageState extends State<NoticiasPage> {
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Map<String, List<String>> noticiasPorTitulo = {};
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@override
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void initState() {
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super.initState();
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obtenerDatos();
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}
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Future<void> obtenerDatos() async {
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final response = await http.get(Uri.parse('http://www.crcivan.com/escaparate/noticias.cgi?idpadre=92776&idempresa=31637'));
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if (response.statusCode == 200) {
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var document = htmlParser.parse(response.body);
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var dataElements = document.querySelectorAll('html > body > div > center > table > tbody > tr > td > div > center > table > tbody > tr > td > table > tbody > tr > td > font');
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var tituloElements = document.querySelectorAll('html > body > div > center > table > tbody > tr > td > div > center > table > tbody > tr > td > table > tbody > tr > td > b > a');
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for (int i = 0; i < tituloElements.length; i++) {
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String titulo = tituloElements[i].text.trim();
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String noticia = dataElements[i].text.trim();
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if (!noticiasPorTitulo.containsKey(titulo)) {
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noticiasPorTitulo[titulo] = [];
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}
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noticiasPorTitulo[titulo]?.add(noticia);
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}
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setState(() {});
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} else {
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throw Exception('fallo al cargar noticias');
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}
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}
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//Función para desplegar noticias desde los contenedores
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/*Future<void> obtenerDatosNoticias() async {
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var linkElements = document.querySelectorAll('html > body > div > center > table > tbody > tr > td > div > center > table > tbody > tr > td > table > tbody > tr > td > a');
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String? link = linkElements[i].attributes['href'];
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if (response.statusCode == 200) {
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for (int i = 0; i < tituloElements.length; i++) {
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String titulo = tituloElements[i].text.trim();
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String noticia = dataElements[i].text.trim();
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if (!noticiasPorTitulo.containsKey(titulo)) {
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noticiasPorTitulo[titulo] = [];
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}
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noticiasPorTitulo[titulo]?.add(noticia);
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}
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setState(() {});
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} else {
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throw Exception('fallo al cargar noticias');
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}
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}*/
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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appBar: const CustomAppBar(),
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body: Stack(
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children: [
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Positioned.fill(
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child: Image(
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image: AssetImage('assets/logo-fondo.png'),
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fit: BoxFit.cover,
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),
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),
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ListView.builder(
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itemCount: noticiasPorTitulo.length,
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itemBuilder: (context, index) {
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String titulo = noticiasPorTitulo.keys.elementAt(index);
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List<String>? noticias = noticiasPorTitulo[titulo];
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return ExpansionTile(
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title: Text(
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titulo,
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style: TextStyle(fontWeight: FontWeight.bold),
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),
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children: noticias != null
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? noticias.map((noticia) {
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return Padding(
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padding: const EdgeInsets.all(8.0),
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child: Text(
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noticia,
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style: TextStyle(fontSize: 16.0),
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),
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);
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}).toList()
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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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bottomNavigationBar: const CustomBottomBar(),
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);
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}
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}
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