SolarAgent/lib/widgets/notification.dart

import 'package:flutter/material.dart';
import 'package:solaragent/models/notification.dart' as model;
import 'package:solaragent/auth.dart';
import 'package:url_launcher/url_launcher.dart';

class NotificationItem extends StatelessWidget {
  final int index;
  final model.Notification item;
  final void Function()? onDismiss;

  const NotificationItem(
      {super.key, required this.index, required this.item, this.onDismiss});

  bool hasLinks() => item.links != null && item.links!.isNotEmpty;

  void showLinks(BuildContext context) {
    if (!hasLinks()) return;

    showModalBottomSheet<void>(
      context: context,
      builder: (BuildContext context) {
        return ListView.builder(
            padding: const EdgeInsets.all(8),
            itemCount: item.links!.length,
            itemBuilder: (BuildContext context, int index) {
              var element = item.links![index];
              return InkWell(
                borderRadius: const BorderRadius.all(
                  Radius.circular(64),
                ),
                onTap: () async {
                  await launchUrl(Uri.parse(element.url));
                },
                child: ListTile(title: Text(element.label)),
              );
            });
      },
    );
  }

  Future<void> markAsRead(element) async {
    if (authClient.client != null) {
      var id = element['id'];
      var uri = Uri.parse('https://id.solsynth.dev/api/notifications/$id/read');
      await authClient.client!.put(uri);
    }
  }

  @override
  Widget build(BuildContext context) {
    return Dismissible(
      key: Key('notification-$index'),
      onDismissed: (direction) {
        markAsRead(item).then((value) {
          ScaffoldMessenger.of(context).showSnackBar(
            SnackBar(
              content: RichText(
                text: TextSpan(children: [
                  TextSpan(
                    text: item.subject,
                    style: const TextStyle(fontWeight: FontWeight.bold),
                  ),
                  const TextSpan(
                    text: " is marked as read",
                  )
                ]),
              ),
            ),
          );
        });
        if (onDismiss != null) {
          onDismiss!();
        }
      },
      background: Container(
        color: Colors.grey,
      ),
      child: Container(
        padding: const EdgeInsets.only(left: 10),
        child: ListTile(
          title: Text(item.subject),
          subtitle: Text(item.content),
          trailing: hasLinks()
              ? TextButton(
                  onPressed: () => showLinks(context),
                  style: TextButton.styleFrom(shape: const CircleBorder()),
                  child: const Icon(Icons.more_vert),
                )
              : null,
        ),
      ),
    );
  }
}