Admin action to list moderation cases.

app/lib/admin/actions/actions.dart

@@ -7,6 +7,7 @@ import 'create_moderation_case.dart';
 import 'create_publisher.dart';
 import 'delete_moderation_case.dart';
 import 'delete_publisher.dart';
+import 'list_moderation_cases.dart';
 import 'merge_moderated_package_into_existing.dart';
 import 'moderate_package.dart';
 import 'moderate_package_versions.dart';
@@ -81,6 +82,7 @@ final class AdminAction {
     createPublisher,
     deleteModerationCase,
     deletePublisher,
+    listModerationCases,
     mergeModeratedPackageIntoExisting,
     moderatePackage,
     moderatePackageVersion,

app/lib/admin/actions/list_moderation_cases.dart

@@ -0,0 +1,39 @@
+// Copyright (c) 2024, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+import 'package:pub_dev/admin/models.dart';
+import 'package:pub_dev/shared/datastore.dart';
+
+import 'actions.dart';
+
+final listModerationCases = AdminAction(
+  name: 'list-moderation-cases',
+  summary: 'List the currently active (or resolved) ModerationCase entities.',
+  description: '''
+List the ModerationCase entities with filter options. 
+''',
+  options: {
+    'sort': 'Sort by the given attribute: `opened` (default), `resolved`.',
+  },
+  invoke: (options) async {
+    final sort = options['sort'] ?? 'opened';
+    final query = dbService.query<ModerationCase>()..limit(20);
+
+    switch (sort) {
+      case 'opened':
+        query.order('-opened');
+        break;
+      case 'resolved':
+        query.order('-resolved');
+        break;
+      default:
+        throw InvalidInputException('invalid sort value');
+    }
+
+    final list = await query.run().toList();
+    return {
+      'cases': list.map((e) => e.toDebugInfo()).toList(),
+    };
+  },
+);

app/test/admin/moderation_case_test.dart

@@ -165,6 +165,16 @@ void main() {
         'appealedCaseId': null,
         'actionLog': {'entries': []}
       });
+
+      final list = await api.adminInvokeAction(
+        'list-moderation-cases',
+        AdminInvokeActionArguments(arguments: {}),
+      );
+      expect(list.output, {
+        'cases': [
+          rs.output,
+        ],
+      });
     });
 
     testWithProfile('no case parameter', fn: () async {