UI for sending announcements to all identities

Applications/AdminUi/apps/admin_ui/lib/home/announcements_overview/announcements_overview.dart

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+import 'package:admin_api_sdk/admin_api_sdk.dart';
+import 'package:admin_api_types/admin_api_types.dart';
+import 'package:data_table_2/data_table_2.dart';
+import 'package:flutter/material.dart';
+import 'package:get_it/get_it.dart';
+import 'package:intl/intl.dart';
+
+import '/core/core.dart';
+import 'modals/create_announcement_dialog.dart';
+import 'modals/show_announcement_details_dialog.dart';
+
+class AnnouncementsOverview extends StatefulWidget {
+  const AnnouncementsOverview({super.key});
+
+  @override
+  State<AnnouncementsOverview> createState() => _AnnouncementsOverviewState();
+}
+
+class _AnnouncementsOverviewState extends State<AnnouncementsOverview> {
+  List<AnnouncementOverview> _announcements = [];
+
+  @override
+  void initState() {
+    super.initState();
+
+    _reloadAnnouncements();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(title: Text(context.l10n.announcementsOverview_title)),
+      body: Card(
+        child: Padding(
+          padding: const EdgeInsets.all(8),
+          child: Column(
+            mainAxisSize: MainAxisSize.min,
+            children: [
+              Row(
+                crossAxisAlignment: CrossAxisAlignment.end,
+                mainAxisAlignment: MainAxisAlignment.end,
+                children: [
+                  if (kIsDesktop)
+                    IconButton(
+                      icon: const Icon(Icons.refresh),
+                      onPressed: () async => _reloadAnnouncements(),
+                      tooltip: context.l10n.reload,
+                    ),
+                  IconButton.filled(
+                    icon: const Icon(Icons.add),
+                    onPressed: () => showCreateAnnouncementDialog(context: context, onAnnouncementCreated: () {}),
+                  ),
+                ],
+              ),
+              Expanded(
+                child: DataTable2(
+                  empty: Text(context.l10n.announcementsOverview_noAnnouncementsFound),
+                  columns: <DataColumn2>[
+                    DataColumn2(label: Text(context.l10n.title)),
+                    DataColumn2(label: Text(context.l10n.createdAt)),
+                    DataColumn2(label: Text(context.l10n.expiresAt)),
+                    DataColumn2(label: Text(context.l10n.announcementsOverview_severity)),
+                  ],
+                  rows: _announcements
+                      .map(
+                        (announcement) => DataRow2(
+                          onTap: () => showAnnouncementDetailsDialog(context: context, announcementTexts: announcement.texts),
+                          cells: [
+                            DataCell(Text(announcement.texts.firstWhere((t) => t.language == 'en').title)), // TODO: find a better way
+                            DataCell(
+                              Tooltip(
+                                message:
+                                    '${DateFormat.yMd(Localizations.localeOf(context).languageCode).format(announcement.createdAt)} ${DateFormat.Hms().format(announcement.createdAt)}',
+                                child: Text(DateFormat.yMd(Localizations.localeOf(context).languageCode).format(announcement.createdAt)),
+                              ),
+                            ),
+                            DataCell(
+                              Tooltip(
+                                message: announcement.expiresAt != null
+                                    ? '${DateFormat.yMd(Localizations.localeOf(context).languageCode).format(announcement.expiresAt!)} ${DateFormat.Hms().format(announcement.expiresAt!)}'
+                                    : '',
+                                child: Text(
+                                  announcement.expiresAt != null
+                                      ? DateFormat.yMd(Localizations.localeOf(context).languageCode).format(announcement.expiresAt!)
+                                      : '',
+                                ),
+                              ),
+                            ),
+                            DataCell(Text(announcement.severity)),
+                          ],
+                        ),
+                      )
+                      .toList(),
+                ),
+              ),
+            ],
+          ),
+        ),
+      ),
+    );
+  }
+
+  Future<void> _reloadAnnouncements() async {
+    final response = await GetIt.I.get<AdminApiClient>().announcements.getAnnouncements();
+    final announcements = response.data..sort((a, b) => a.createdAt.compareTo(b.createdAt));
+
+    setState(() {
+      _announcements = announcements;
+    });
+  }
+}