NestedFolderPicker: Allow for excluding certain uids (grafana#72019)

* exclude some uids from nested folder picker so you can't move a folder to itself

* rename excludedUids to excludeUIDs

Author: ashharrison90

public/app/core/components/NestedFolderPicker/NestedFolderPicker.tsx

@@ -33,11 +33,12 @@ interface NestedFolderPickerProps {
   // TODO: think properly (and pragmatically) about how to communicate moving to general folder,
   // vs removing selection (if possible?)
   onChange?: (folder: FolderChange) => void;
+  excludeUIDs?: string[];
 }
 
 const EXCLUDED_KINDS = ['empty-folder' as const, 'dashboard' as const];
 
-export function NestedFolderPicker({ value, onChange }: NestedFolderPickerProps) {
+export function NestedFolderPicker({ value, onChange, excludeUIDs = [] }: NestedFolderPickerProps) {
   const styles = useStyles2(getStyles);
   const dispatch = useDispatch();
   const selectedFolder = useGetFolderQuery(value || skipToken);
@@ -136,10 +137,18 @@ export function NestedFolderPicker({ value, onChange }: NestedFolderPickerProps)
         items: searchResults.items ?? [],
       };
 
-      return createFlatTree(undefined, searchCollection, childrenCollections, {}, 0, EXCLUDED_KINDS);
+      return createFlatTree(undefined, searchCollection, childrenCollections, {}, 0, EXCLUDED_KINDS, excludeUIDs);
     }
 
-    let flatTree = createFlatTree(undefined, rootCollection, childrenCollections, folderOpenState, 0, EXCLUDED_KINDS);
+    let flatTree = createFlatTree(
+      undefined,
+      rootCollection,
+      childrenCollections,
+      folderOpenState,
+      0,
+      EXCLUDED_KINDS,
+      excludeUIDs
+    );
 
     // Increase the level of each item to 'make way' for the fake root Dashboards item
     for (const item of flatTree) {
@@ -162,7 +171,7 @@ export function NestedFolderPicker({ value, onChange }: NestedFolderPickerProps)
     }
 
     return flatTree;
-  }, [search, searchState.value, rootCollection, childrenCollections, folderOpenState]);
+  }, [search, searchState.value, rootCollection, childrenCollections, folderOpenState, excludeUIDs]);
 
   const isItemLoaded = useCallback(
     (itemIndex: number) => {

public/app/features/browse-dashboards/components/BrowseActions/MoveModal.tsx

@@ -61,7 +61,7 @@ export const MoveModal = ({ onConfirm, onDismiss, selectedItems, ...props }: Pro
 
       <Field label={t('browse-dashboards.action.move-modal-field-label', 'Folder name')}>
         {config.featureToggles.nestedFolderPicker ? (
-          <NestedFolderPicker value={moveTarget} onChange={handleFolderChange} />
+          <NestedFolderPicker value={moveTarget} onChange={handleFolderChange} excludeUIDs={selectedFolders} />
         ) : (
           <FolderPicker allowEmpty onChange={handleFolderChange} />
         )}

public/app/features/browse-dashboards/state/hooks.ts

@@ -144,10 +144,11 @@ export function createFlatTree(
   childrenByUID: BrowseDashboardsState['childrenByParentUID'],
   openFolders: Record<string, boolean>,
   level = 0,
-  excludeKinds: Array<DashboardViewItemWithUIItems['kind'] | UIDashboardViewItem['uiKind']> = []
+  excludeKinds: Array<DashboardViewItemWithUIItems['kind'] | UIDashboardViewItem['uiKind']> = [],
+  excludeUIDs: string[] = []
 ): DashboardsTreeItem[] {
   function mapItem(item: DashboardViewItem, parentUID: string | undefined, level: number): DashboardsTreeItem[] {
-    if (excludeKinds.includes(item.kind)) {
+    if (excludeKinds.includes(item.kind) || excludeUIDs.includes(item.uid)) {
       return [];
     }
 
@@ -157,7 +158,8 @@ export function createFlatTree(
       childrenByUID,
       openFolders,
       level + 1,
-      excludeKinds
+      excludeKinds,
+      excludeUIDs
     );
 
     const isOpen = Boolean(openFolders[item.uid]);