idrocap/idrocap_mobile_app/lib/private/organisations.dart

import 'dart:convert';

import 'package:flutter/material.dart';
import 'package:flutter_easyloading/flutter_easyloading.dart';
import 'package:hexcolor/hexcolor.dart';
import 'package:http/http.dart' as http;
import 'package:idrocap/private/notifiche.dart';
import 'package:idrocap/private/profile_organisations.dart';
import 'package:idrocap/utility/utility.dart';

import 'constant/globals.dart' as globals;
import 'model/organizzazioni.dart';
import 'widget/menu.dart';

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

  @override
  _OrganisationsState createState() => _OrganisationsState();
}

class _OrganisationsState extends State<Organisations> {
  late Future<List<Organizzazioni>> shows;
  String searchString = "";

  @override
  void initState() {
    super.initState();
    shows = fetchShows();
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        iconTheme: IconThemeData(color: Colors.white),
        backgroundColor: HexColor(globals.colorAppbar),
        title: Center(child: Text("Organizzazioni", style: TextStyle(color: Colors.white))),
        actions: [
          IconButton(
            onPressed: () {
              Navigator.push(context, MaterialPageRoute(builder: (context) => Notifiche()));
            },
            icon: Icon(Icons.notifications),
          )
        ],
      ),
      drawer: Menu(),
      body: SingleChildScrollView(
        child: Column(
          children: [
            Padding(
              padding: const EdgeInsets.symmetric(horizontal: 20, vertical: 10),
              child: TextField(
                onChanged: (value) {
                  setState(() {
                    searchString = value.toLowerCase();
                  });
                },
                decoration: InputDecoration(labelText: 'Cerca Organizzazione', suffixIcon: Icon(Icons.search)),
              ),
            ),
            FutureBuilder<List<Organizzazioni>>(
              future: shows,
              builder: (context, snapshot) {
                if (snapshot.connectionState != ConnectionState.done) {
                  return Center(child: CircularProgressIndicator());
                }

                if (snapshot.hasData) {
                  return ListView.separated(
                    physics: NeverScrollableScrollPhysics(),
                    shrinkWrap: true,
                    itemCount: snapshot.data!.length,
                    itemBuilder: (BuildContext context, int index) {
                      var organizzazione = snapshot.data![index];
                      if (organizzazione.actor.description.toLowerCase().contains(searchString)) {
                        return GestureDetector(
                          onTap: () {
                            Navigator.push(
                              context,
                              MaterialPageRoute(
                                builder: (context) => ProfileOrganisations(organizzazioni: organizzazione),
                              ),
                            );
                          },
                          child: ListTile(
                            leading: Icon(Icons.account_circle_outlined, size: 40, color: Colors.blue),
                            title: Text(organizzazione.actor.description.toString()),
                          ),
                        );
                      } else {
                        return Container();
                      }
                    },
                    separatorBuilder: (BuildContext context, int index) {
                      var organizzazione = snapshot.data![index];
                      return organizzazione.actor.description.toLowerCase().contains(searchString) ? Divider() : Container();
                    },
                  );
                } else if (snapshot.hasError) {
                  return Center(child: Text('Organizzazione non trovata'));
                }

                return Center(child: CircularProgressIndicator());
              },
            ),
          ],
        ),
      ),
      floatingActionButtonLocation: FloatingActionButtonLocation.miniEndFloat,
      floatingActionButton: FloatingActionButton(
        onPressed: () {
          setState(() {
            shows = fetchShows();
          });
        },
        tooltip: 'refresh',
        child: Icon(Icons.refresh, color: HexColor(globals.colorAppbar)),
        backgroundColor: Colors.white,
      ),
    );
  }

  Future<List<Organizzazioni>> fetchShows() async {
    try {
      var url = Uri.parse(globals.url_endpoint + globals.organizzazioni);
      var response = await http.get(url, headers: globals.headers);
      var data = json.decode(utf8.decode(response.bodyBytes));

      if (response.statusCode == 200) {
        var organizzazioniJson = data['organisations'] as List;
        return organizzazioniJson.map((org) => Organizzazioni.fromJson(org)).toList();
      } else if (response.statusCode == 401) {
        Utility().dialogAlert(context);
      } else {
        ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text(data['result'].toString())));
      }
    } catch (e) {
      EasyLoading.dismiss();
      throw Exception('Problemi nel caricare i dati');
    }
    EasyLoading.dismiss();
    return []; // In caso di errore, ritorna una lista vuota
  }
}