reload space hierarchy on invite update (#3949)

lib/pangea/course_chats/course_chats_page.dart

@@ -759,8 +759,11 @@ class CourseChatsController extends State<CourseChats> {
   /// space so that the view can be auto-reloaded in the room subscription
   bool _hasHierarchyUpdate(SyncUpdate update) {
     final joinUpdate = update.rooms?.join;
+    final inviteUpdate = update.rooms?.invite;
     final leaveUpdate = update.rooms?.leave;
-    if (joinUpdate == null && leaveUpdate == null) return false;
+    if (joinUpdate == null && leaveUpdate == null && inviteUpdate == null) {
+      return false;
+    }
 
     final joinedRooms = joinUpdate?.entries
         .where(
@@ -769,6 +772,13 @@ class CourseChatsController extends State<CourseChats> {
         .map((e) => e.value.timeline?.events)
         .whereType<List<MatrixEvent>>();
 
+    final invitedRooms = inviteUpdate?.entries
+        .where(
+          (e) => childrenIds.contains(e.key),
+        )
+        .map((e) => e.value.inviteState)
+        .whereType<List<StrippedStateEvent>>();
+
     final leftRooms = leaveUpdate?.entries
         .where(
           (e) => childrenIds.contains(e.key),
@@ -794,7 +804,7 @@ class CourseChatsController extends State<CourseChats> {
         ) ??
         false;
 
-    if (hasJoinedRoom || hasLeftRoom) {
+    if (hasJoinedRoom || hasLeftRoom || (invitedRooms?.isNotEmpty ?? false)) {
       return true;
     }
 

lib/pangea/course_plans/course_activity_repo.dart

@@ -126,6 +126,10 @@ class CourseActivityRepo {
     );
 
     final mediaIds = activityToMediaId.keys.whereType<String>().toList();
+    if (mediaIds.isEmpty) {
+      return {};
+    }
+
     final where = {
       "id": {"in": mediaIds.join(",")},
     };

lib/pangea/payload_client/payload_client.dart

@@ -124,6 +124,13 @@ class PayloadClient {
     final endpoint =
         '$basePath/$collection${queryParams.isNotEmpty ? '?${queryStringify(queryParams)}' : ''}';
     final response = await get(endpoint);
+
+    if (response.statusCode != 200) {
+      throw Exception(
+        'Failed to load documents: ${response.statusCode} ${response.body}',
+      );
+    }
+
     final json = jsonDecode(response.body) as Map<String, dynamic>;
 
     return PayloadPaginatedResponse.fromJson(json, fromJson);