feat: Implement basic general folder support (#2051)

- Related: #1748

tests/card-controller/actions/actions/download.test.ts

@@ -1,9 +1,17 @@
-import { expect, it } from 'vitest';
+import { expect, it, vi } from 'vitest';
 import { DownloadAction } from '../../../../src/card-controller/actions/actions/download';
-import { createCardAPI } from '../../../test-utils';
+import { QueryResults } from '../../../../src/view/query-results';
+import { createCardAPI, createView, TestViewMedia } from '../../../test-utils';
 
-it('should handle download action', async () => {
+it('should handle download action with selected media', async () => {
   const api = createCardAPI();
+  const selectedMedia = new TestViewMedia();
+  vi.mocked(api.getViewManager().getView).mockReturnValue(
+    createView({
+      queryResults: new QueryResults({ results: [selectedMedia], selectedIndex: 0 }),
+    }),
+  );
+
   const action = new DownloadAction(
     {},
     {
@@ -14,5 +22,22 @@ it('should handle download action', async () => {
 
   await action.execute(api);
 
-  expect(api.getDownloadManager().downloadViewerMedia).toBeCalled();
+  expect(api.getViewItemManager().download).toBeCalledWith(selectedMedia);
+});
+
+it('should handle download action without selected media', async () => {
+  const api = createCardAPI();
+  vi.mocked(api.getViewManager().getView).mockReturnValue(createView());
+
+  const action = new DownloadAction(
+    {},
+    {
+      action: 'fire-dom-event',
+      advanced_camera_card_action: 'download',
+    },
+  );
+
+  await action.execute(api);
+
+  expect(api.getViewItemManager().download).not.toBeCalled();
 });