rd-android-app/lib/screens/announment/announment_screen.dart
2024-10-16 19:04:06 +05:30

131 lines
4.7 KiB
Dart

import 'package:cheminova/widgets/my_drawer.dart';
import 'package:flutter/material.dart';
import 'package:flutter_svg/flutter_svg.dart';
import 'package:get/get.dart';
import 'package:intl/intl.dart';
import '../../controller/announcement_controller.dart';
import '../../models/announcement_response.dart';
import '../../widgets/comman_background.dart';
import '../../widgets/common_appbar.dart';
class AnnouncementScreen extends StatelessWidget {
final AnnouncementController controller = Get.put(AnnouncementController());
AnnouncementScreen({super.key});
@override
Widget build(BuildContext context) {
return CommonBackground(
child: Scaffold(
backgroundColor: Colors.transparent,
appBar: CommonAppBar(
title: const Text('Announcements',
style: TextStyle(
fontSize: 20,
color: Colors.black,
fontWeight: FontWeight.w400,
fontFamily: 'Anek')),
backgroundColor: Colors.transparent,
elevation: 0,
actions: [
IconButton(
onPressed: () => Navigator.pop(context),
icon: SvgPicture.asset('assets/svg/back_arrow.svg'),
padding: const EdgeInsets.only(right: 20))
],
),
drawer: const MyDrawer(),
body: Obx(() => controller.isLoading.value
? const Center(child: CircularProgressIndicator())
: NotificationListener<ScrollNotification>(
onNotification: (ScrollNotification scrollInfo) {
// Load more announcements when reaching the bottom of the list
if (!controller.isLoading.value &&
scrollInfo.metrics.pixels == scrollInfo.metrics.maxScrollExtent) {
controller.loadMoreAnnouncements();
}
return true;
},
child: MyListView(announcementList: controller.announcementsList),
)),
),
);
}
}
class MyListView extends StatelessWidget {
final List<Announcements> announcementList;
const MyListView({super.key, required this.announcementList});
@override
Widget build(BuildContext context) {
Map<DateTime, List<Announcements>> groupedAnnouncements = {};
for (var announcement in announcementList) {
DateTime date = DateUtils.dateOnly(
DateFormat("yyyy-MM-dd'T'HH:mm:ss.SSS'Z'").parse(announcement.createdAt!));
if (!groupedAnnouncements.containsKey(date)) {
groupedAnnouncements[date] = [];
}
groupedAnnouncements[date]!.add(announcement);
}
// Sort the dates in descending order (latest first)
List<DateTime> sortedDates = groupedAnnouncements.keys.toList()
..sort((a, b) => b.compareTo(a));
return ListView.builder(
padding: const EdgeInsets.only(top: 15),
itemCount: sortedDates.length,
itemBuilder: (context, index) {
DateTime date = sortedDates[index];
String formattedDate = DateFormat("dd MMM yyyy").format(date);
List<Announcements> announcementsForDate = groupedAnnouncements[date]!;
return Padding(
padding: const EdgeInsets.only(bottom: 10, left: 10, right: 10),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Padding(
padding: const EdgeInsets.only(bottom: 8.0),
child: Text(
formattedDate,
style: const TextStyle(fontSize: 16, fontWeight: FontWeight.bold),
),
),
...announcementsForDate.map((item) => Padding(
padding: const EdgeInsets.only(bottom: 10),
child: ExpansionTile(
collapsedBackgroundColor: Colors.white,
backgroundColor: Colors.white,
trailing: const SizedBox.shrink(),
title: const Text(
'New Announcement',
style: TextStyle(fontSize: 17, fontWeight: FontWeight.w500),
),
subtitle: Text(item.message ?? ''),
children: [
Padding(
padding: const EdgeInsets.all(16.0),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text('Sent to: ${item.sentTo?.join(", ")}'),
const SizedBox(height: 8),
Text('Unique ID: ${item.uniqueId}'),
],
),
),
],
),
)),
],
),
);
},
);
}
}