Cancelled and queued registrations in admin screen

lib/api/api_repository.dart

@@ -105,14 +105,15 @@ abstract class ApiRepository {
   /// total number of registrations that can be returned.
   /// Use `search` to filter on name, `ordering` to order with values in
   /// {'date', 'date_cancelled', 'queue_position', '-date', '-date_cancelled',
-  /// '-queue_position'}, and `cancelled` to filter on cancelled registrations.
+  /// '-queue_position'}, `cancelled` to filter on cancelled registrations, and `queued` to filter on queued registrations.
   Future<ListResponse<AdminEventRegistration>> getAdminEventRegistrations({
     required int pk,
     int? limit,
     int? offset,
     String? search,
     String? ordering,
     bool? cancelled,
+    bool? queued,
   });
 
   /// Mark the user's registration for [Event] `pk` as present, using `token`.

lib/api/concrexit_api_repository.dart

@@ -417,6 +417,7 @@ class ConcrexitApiRepository implements ApiRepository {
     String? search,
     String? ordering,
     bool? cancelled,
+    bool? queued,
   }) async {
     assert(
       ordering == null ||
@@ -439,6 +440,7 @@ class ConcrexitApiRepository implements ApiRepository {
           if (ordering != null) 'ordering': ordering,
           if (search != null) 'search': search,
           if (cancelled != null) 'cancelled': cancelled.toString(),
+          if (queued != null) 'queued': queued.toString(),
         },
       );
       final response = await _handleExceptions(() => _client.get(uri));

lib/blocs/event_admin_cubit.dart

@@ -14,6 +14,8 @@ class EventAdminState extends Equatable {
 
   /// These may be outdated when [isLoading] is true.
   final List<AdminEventRegistration> registrations;
+  final List<AdminEventRegistration> cancelledRegistrations;
+  final List<AdminEventRegistration> queuedRegistrations;
 
   final String? message;
   final bool isLoading;
@@ -24,6 +26,8 @@ class EventAdminState extends Equatable {
   const EventAdminState({
     required this.event,
     required this.registrations,
+    required this.cancelledRegistrations,
+    required this.queuedRegistrations,
     required this.isLoading,
     required this.message,
   }) : assert(
@@ -32,33 +36,53 @@ class EventAdminState extends Equatable {
         );
 
   @override
-  List<Object?> get props => [event, registrations, message, isLoading];
+  List<Object?> get props => [
+        event,
+        registrations,
+        cancelledRegistrations,
+        queuedRegistrations,
+        message,
+        isLoading
+      ];
 
   EventAdminState copyWith({
     AdminEvent? event,
     List<AdminEventRegistration>? registrations,
+    List<AdminEventRegistration>? cancelledRegistrations,
+    List<AdminEventRegistration>? queuedRegistrations,
     bool? isLoading,
     String? message,
   }) =>
       EventAdminState(
         event: event ?? this.event,
         registrations: registrations ?? this.registrations,
+        cancelledRegistrations:
+            cancelledRegistrations ?? this.cancelledRegistrations,
+        queuedRegistrations: queuedRegistrations ?? this.queuedRegistrations,
         isLoading: isLoading ?? this.isLoading,
         message: message ?? this.message,
       );
 
-  const EventAdminState.result({
-    required AdminEvent this.event,
-    required this.registrations,
-  })  : message = null,
+  const EventAdminState.result(
+      {required AdminEvent this.event,
+      required this.registrations,
+      required this.cancelledRegistrations,
+      required this.queuedRegistrations})
+      : message = null,
         isLoading = false;
 
-  const EventAdminState.loading({this.event, required this.registrations})
+  const EventAdminState.loading(
+      {this.event,
+      required this.registrations,
+      required this.cancelledRegistrations,
+      required this.queuedRegistrations})
       : message = null,
         isLoading = true;
 
   const EventAdminState.failure({required String this.message, this.event})
       : registrations = const [],
+        cancelledRegistrations = const [],
+        queuedRegistrations = const [],
         isLoading = false;
 }
 
@@ -78,7 +102,10 @@ class EventAdminCubit extends Cubit<EventAdminState> {
   EventAdminCubit(
     this.api, {
     required this.eventPk,
-  }) : super(const EventAdminState.loading(registrations: []));
+  }) : super(const EventAdminState.loading(
+            registrations: [],
+            cancelledRegistrations: [],
+            queuedRegistrations: []));
 
   Future<void> load() async {
     emit(state.copyWith(isLoading: true));
@@ -90,6 +117,21 @@ class EventAdminCubit extends Cubit<EventAdminState> {
         search: query,
         limit: 999999999,
         cancelled: false,
+        queued: false,
+      );
+      final cancelledRegistrations = await api.getAdminEventRegistrations(
+        pk: eventPk,
+        search: query,
+        limit: 999999999,
+        cancelled: true,
+        ordering: '-date_cancelled',
+      );
+      final queuedRegistrations = await api.getAdminEventRegistrations(
+        pk: eventPk,
+        search: query,
+        limit: 999999999,
+        queued: true,
+        ordering: 'queue_position',
       );
 
       // Discard result if _searchQuery has
@@ -114,6 +156,8 @@ class EventAdminCubit extends Cubit<EventAdminState> {
         emit(EventAdminState.result(
           event: event,
           registrations: registrations.results,
+          cancelledRegistrations: cancelledRegistrations.results,
+          queuedRegistrations: queuedRegistrations.results,
         ));
       }
     } on ApiException catch (exception) {
@@ -134,6 +178,21 @@ class EventAdminCubit extends Cubit<EventAdminState> {
           search: query,
           limit: 999999999,
           cancelled: false,
+          queued: false,
+        );
+        final cancelledRegistrations = await api.getAdminEventRegistrations(
+          pk: eventPk,
+          search: query,
+          limit: 999999999,
+          cancelled: true,
+          ordering: '-date_cancelled',
+        );
+        final queuedRegistrations = await api.getAdminEventRegistrations(
+          pk: eventPk,
+          search: query,
+          limit: 999999999,
+          queued: true,
+          ordering: 'queue_position',
         );
 
         // Discard result if _searchQuery has
@@ -156,6 +215,8 @@ class EventAdminCubit extends Cubit<EventAdminState> {
           emit(EventAdminState.result(
             event: event,
             registrations: registrations.results,
+            cancelledRegistrations: cancelledRegistrations.results,
+            queuedRegistrations: queuedRegistrations.results,
           ));
         }
       } on ApiException catch (exception) {
@@ -180,6 +241,8 @@ class EventAdminCubit extends Cubit<EventAdminState> {
         emit(EventAdminState.loading(
           event: state.event,
           registrations: const [],
+          cancelledRegistrations: const [],
+          queuedRegistrations: const [],
         ));
       } else {
         _searchDebounceTimer = Timer(

lib/models/event_registration.dart

@@ -76,6 +76,7 @@ class AdminEventRegistration implements EventRegistration {
   final bool present;
   final int? queuePosition;
   final DateTime date;
+  final DateTime? dateCancelled;
   final Payment? payment;
 
   bool get isInQueue => queuePosition != null;
@@ -89,6 +90,7 @@ class AdminEventRegistration implements EventRegistration {
     this.present,
     this.queuePosition,
     this.date,
+    this.dateCancelled,
     this.payment,
   ) : assert(
           member != null || name != null,
@@ -103,6 +105,7 @@ class AdminEventRegistration implements EventRegistration {
         newPresent,
         queuePosition,
         date,
+        dateCancelled,
         payment,
       );
 
@@ -114,6 +117,7 @@ class AdminEventRegistration implements EventRegistration {
         present,
         queuePosition,
         date,
+        dateCancelled,
         newPayment,
       );