Announcements: Show snackbar on event and enhanced comment notification messages

lib/providers/announcements_provider.dart

@@ -207,15 +207,17 @@ class AnnouncementsController {
 
     // Notify announcement author + previous commenters
     try {
-      // Get the announcement author
+      // Get the announcement author and title
       final announcement = await _client
           .from('announcements')
-          .select('author_id')
+          .select('author_id, title')
           .eq('id', announcementId)
           .maybeSingle();
       if (announcement == null) return;
 
       final announcementAuthorId = announcement['author_id'] as String;
+      final announcementTitle =
+          announcement['title'] as String? ?? 'an announcement';
 
       // Get all unique commenters on this announcement
       final comments = await _client
@@ -233,13 +235,22 @@ class AnnouncementsController {
 
       if (notifyIds.isEmpty) return;
 
+      // Fetch commenter's display name for a human-readable push body
+      final commenterData = await _client
+          .from('profiles')
+          .select('full_name')
+          .eq('id', authorId)
+          .maybeSingle();
+      final commenterName =
+          commenterData?['full_name'] as String? ?? 'Someone';
+
       await _notifCtrl.createNotification(
         userIds: notifyIds,
         type: 'announcement_comment',
         actorId: authorId,
         fields: {'announcement_id': announcementId},
         pushTitle: 'New Comment',
-        pushBody: body.length > 100 ? '${body.substring(0, 100)}...' : body,
+        pushBody: '$commenterName commented on "$announcementTitle"',
         pushData: {
           'announcement_id': announcementId,
           'navigate_to': '/announcements',
@@ -251,6 +262,46 @@ class AnnouncementsController {
     }
   }
 
+  /// Re-sends push notifications for an existing announcement.
+  /// Intended for use by admins or the announcement author.
+  Future<void> resendAnnouncementNotification(
+      Announcement announcement) async {
+    final actorId = _client.auth.currentUser?.id;
+    if (actorId == null) return;
+    if (announcement.visibleRoles.isEmpty) return;
+
+    try {
+      final profiles = await _client
+          .from('profiles')
+          .select('id')
+          .inFilter('role', announcement.visibleRoles);
+      final userIds = (profiles as List)
+          .map((p) => p['id'] as String)
+          .where((id) => id != actorId)
+          .toList();
+
+      if (userIds.isEmpty) return;
+
+      await _notifCtrl.createNotification(
+        userIds: userIds,
+        type: 'announcement',
+        actorId: actorId,
+        fields: {'announcement_id': announcement.id},
+        pushTitle: 'Announcement',
+        pushBody: announcement.title.length > 100
+            ? '${announcement.title.substring(0, 100)}...'
+            : announcement.title,
+        pushData: {
+          'announcement_id': announcement.id,
+          'navigate_to': '/announcements',
+        },
+      );
+    } catch (e) {
+      debugPrint('AnnouncementsController: resend notification error: $e');
+      throw AnnouncementNotificationException(e.toString());
+    }
+  }
+
   /// Delete a comment.
   Future<void> deleteComment(String id) async {
     await _client.from('announcement_comments').delete().eq('id', id);