services/workbench2/src/store/link-panel/link-panel-middleware-service.ts

   1 // Copyright (C) The Arvados Authors. All rights reserved.
   2 //
   3 // SPDX-License-Identifier: AGPL-3.0
   4
   5 import { ServiceRepository } from 'services/services';
   6 import { MiddlewareAPI, Dispatch } from 'redux';
   7 import { DataExplorerMiddlewareService, dataExplorerToListParams, getOrder, listResultsToDataExplorerItemsMeta } from 'store/data-explorer/data-explorer-middleware-service';
   8 import { RootState } from 'store/store';
   9 import { snackbarActions, SnackbarKind } from 'store/snackbar/snackbar-actions';
  10 import { DataExplorer, getDataExplorer } from 'store/data-explorer/data-explorer-reducer';
  11 import { updateResources } from 'store/resources/resources-actions';
  12 import { ListArguments, ListResults } from 'services/common-service/common-service';
  13 import { LinkResource } from 'models/link';
  14 import { linkPanelActions } from 'store/link-panel/link-panel-actions';
  15 import { progressIndicatorActions } from "store/progress-indicator/progress-indicator-actions";
  16 import { couldNotFetchItemsAvailable } from 'store/data-explorer/data-explorer-action';
  17
  18 export class LinkMiddlewareService extends DataExplorerMiddlewareService {
  19     constructor(private services: ServiceRepository, id: string) {
  20         super(id);
  21     }
  22
  23     async requestItems(api: MiddlewareAPI<Dispatch, RootState>, criteriaChanged?: boolean, background?: boolean) {
  24         const state = api.getState();
  25         const dataExplorer = getDataExplorer(state.dataExplorer, this.getId());
  26         try {
  27             if (!background) { api.dispatch(progressIndicatorActions.START_WORKING(this.getId())); }
  28             const response = await this.services.linkService.list(getParams(dataExplorer));
  29             api.dispatch(updateResources(response.items));
  30             api.dispatch(setItems(response));
  31         } catch {
  32             api.dispatch(couldNotFetchLinks());
  33         } finally {
  34             api.dispatch(progressIndicatorActions.STOP_WORKING(this.getId()));
  35         }
  36     }
  37
  38     async requestCount(api: MiddlewareAPI<Dispatch, RootState>, criteriaChanged?: boolean, background?: boolean) {
  39         if (criteriaChanged) {
  40             // Get itemsAvailable
  41             return this.services.linkService.list(getCountParams())
  42                 .then((results: ListResults<LinkResource>) => {
  43                     if (results.itemsAvailable !== undefined) {
  44                         api.dispatch<any>(linkPanelActions.SET_ITEMS_AVAILABLE(results.itemsAvailable));
  45                     } else {
  46                         couldNotFetchItemsAvailable();
  47                     }
  48                 });
  49         }
  50     }
  51 }
  52
  53 export const getParams = (dataExplorer: DataExplorer): ListArguments => ({
  54     ...dataExplorerToListParams(dataExplorer),
  55     order: getOrder<LinkResource>(dataExplorer),
  56     count: 'none',
  57 });
  58
  59 const getCountParams = (): ListArguments => ({
  60     limit: 0,
  61     count: 'exact',
  62 });
  63
  64 export const setItems = (listResults: ListResults<LinkResource>) =>
  65     linkPanelActions.SET_ITEMS({
  66         ...listResultsToDataExplorerItemsMeta(listResults),
  67         items: listResults.items.map(resource => resource.uuid),
  68     });
  69
  70 const couldNotFetchLinks = () =>
  71     snackbarActions.OPEN_SNACKBAR({
  72         message: 'Could not fetch links.',
  73         kind: SnackbarKind.ERROR
  74     });