+// Copyright (C) The Arvados Authors. All rights reserved.
+//
+// SPDX-License-Identifier: AGPL-3.0
+
+import { ServiceRepository } from '~/services/services';
+import { MiddlewareAPI, Dispatch } from 'redux';
+import { DataExplorerMiddlewareService, dataExplorerToListParams, listResultsToDataExplorerItemsMeta } from '~/store/data-explorer/data-explorer-middleware-service';
+import { RootState } from '~/store/store';
+import { snackbarActions, SnackbarKind } from '~/store/snackbar/snackbar-actions';
+import { DataExplorer, getDataExplorer } from '~/store/data-explorer/data-explorer-reducer';
+import { updateResources } from '~/store/resources/resources-actions';
+import { getSortColumn } from "~/store/data-explorer/data-explorer-reducer";
+import { computeNodesActions } from '~/store/compute-nodes/compute-nodes-actions';
+import { OrderDirection, OrderBuilder } from '~/services/api/order-builder';
+import { ListResults } from '~/services/common-service/common-service';
+import { NodeResource } from '~/models/node';
+import { SortDirection } from '~/components/data-table/data-column';
+import { ComputeNodePanelColumnNames } from '~/views/compute-node-panel/compute-node-panel-root';
+
+export class ComputeNodeMiddlewareService extends DataExplorerMiddlewareService {
+ constructor(private services: ServiceRepository, id: string) {
+ super(id);
+ }
+
+ async requestItems(api: MiddlewareAPI<Dispatch, RootState>) {
+ const state = api.getState();
+ const dataExplorer = getDataExplorer(state.dataExplorer, this.getId());
+ try {
+ const response = await this.services.nodeService.list(getParams(dataExplorer));
+ api.dispatch(updateResources(response.items));
+ api.dispatch(setItems(response));
+ } catch {
+ api.dispatch(couldNotFetchLinks());
+ }
+ }
+}
+
+export const getParams = (dataExplorer: DataExplorer) => ({
+ ...dataExplorerToListParams(dataExplorer),
+ order: getOrder(dataExplorer)
+});
+
+const getOrder = (dataExplorer: DataExplorer) => {
+ const sortColumn = getSortColumn(dataExplorer);
+ const order = new OrderBuilder<NodeResource>();
+ if (sortColumn) {
+ const sortDirection = sortColumn && sortColumn.sortDirection === SortDirection.ASC
+ ? OrderDirection.ASC
+ : OrderDirection.DESC;
+
+ const columnName = sortColumn && sortColumn.name === ComputeNodePanelColumnNames.UUID ? "uuid" : "modifiedAt";
+ return order
+ .addOrder(sortDirection, columnName)
+ .getOrder();
+ } else {
+ return order.getOrder();
+ }
+};
+
+export const setItems = (listResults: ListResults<NodeResource>) =>
+ computeNodesActions.SET_ITEMS({
+ ...listResultsToDataExplorerItemsMeta(listResults),
+ items: listResults.items.map(resource => resource.uuid),
+ });
+
+const couldNotFetchLinks = () =>
+ snackbarActions.OPEN_SNACKBAR({
+ message: 'Could not fetch compute nodes.',
+ kind: SnackbarKind.ERROR
+ });