src/views/project-panel/project-panel-middleware.ts

   1 // Copyright (C) The Arvados Authors. All rights reserved.
   2 //
   3 // SPDX-License-Identifier: AGPL-3.0
   4
   5 import { Middleware } from "redux";
   6 import actions from "../../store/data-explorer/data-explorer-action";
   7 import { PROJECT_PANEL_ID, columns } from "./project-panel";
   8 import { groupsService } from "../../services/services";
   9 import { RootState } from "../../store/store";
  10 import { getDataExplorer } from "../../store/data-explorer/data-explorer-reducer";
  11 import { resourceToDataItem } from "./project-panel-item";
  12
  13 export const projectPanelMiddleware: Middleware = store => next => {
  14     next(actions.SET_COLUMNS({ id: PROJECT_PANEL_ID, columns }));
  15
  16     return action => {
  17
  18         const handleProjectPanelAction = <T extends { id: string }>(handler: (data: T) => void) =>
  19             (data: T) => {
  20                 next(action);
  21                 if (data.id === PROJECT_PANEL_ID) {
  22                     handler(data);
  23                 }
  24             };
  25
  26         actions.match(action, {
  27             SET_PAGE: handleProjectPanelAction(() => {
  28                 store.dispatch(actions.REQUEST_ITEMS({ id: PROJECT_PANEL_ID }));
  29             }),
  30             SET_ROWS_PER_PAGE: handleProjectPanelAction(() => {
  31                 store.dispatch(actions.REQUEST_ITEMS({ id: PROJECT_PANEL_ID }));
  32             }),
  33             REQUEST_ITEMS: handleProjectPanelAction(() => {
  34                 const state = store.getState() as RootState;
  35                 const dataExplorer = getDataExplorer(state.dataExplorer, PROJECT_PANEL_ID);
  36                 groupsService
  37                     .contents(state.projects.currentItemId, {
  38                         limit: dataExplorer.rowsPerPage,
  39                         offset: dataExplorer.page * dataExplorer.rowsPerPage,
  40                     })
  41                     .then(response => {
  42                         store.dispatch(actions.SET_ITEMS({
  43                             id: PROJECT_PANEL_ID,
  44                             items: response.items.map(resourceToDataItem),
  45                             itemsAvailable: response.itemsAvailable,
  46                             page: Math.floor(response.offset / response.limit),
  47                             rowsPerPage: response.limit
  48                         }));
  49                     });
  50
  51             }),
  52             default: () => next(action)
  53         });
  54     };
  55 };