src/store/progress-indicator/progress-indicator-reducer.ts

   1 // Copyright (C) The Arvados Authors. All rights reserved.
   2 //
   3 // SPDX-License-Identifier: AGPL-3.0
   4
   5 import { ProgressIndicatorAction, progressIndicatorActions } from "~/store/progress-indicator/progress-indicator-actions";
   6
   7 export type ProgressIndicatorState = { id: string, working: boolean }[];
   8
   9 const initialState: ProgressIndicatorState = [];
  10
  11 export const progressIndicatorReducer = (state: ProgressIndicatorState = initialState, action: ProgressIndicatorAction) => {
  12     const startWorking = (id: string) => state.find(p => p.working) ? state : state.concat({ id, working: true });
  13     const stopWorking = (id: string) => state.filter(p => p.id !== id);
  14
  15     return progressIndicatorActions.match(action, {
  16         START: id => startWorking(id),
  17         STOP: id => stopWorking(id),
  18         PERSIST_STOP: id => state.map(p => ({
  19             id,
  20             working: p.id === id ? false : p.working
  21         })),
  22         TOGGLE: ({ id, working }) => working ? startWorking(id) : stopWorking(id),
  23         default: () => state,
  24     });
  25 };
  26
  27 export function isSystemWorking(state: ProgressIndicatorState): boolean {
  28     return state.length > 0 && state.reduce((working, p) => working ? true : p.working, false);
  29 }