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, ProjectPanelFilter } from "./project-panel";
   8 import { groupsService } from "../../services/services";
   9 import { RootState } from "../../store/store";
  10 import { getDataExplorer, DataExplorerState } from "../../store/data-explorer/data-explorer-reducer";
  11 import { resourceToDataItem, ProjectPanelItem } from "./project-panel-item";
  12 import FilterBuilder from "../../common/api/filter-builder";
  13 import { DataColumns } from "../../components/data-table/data-table";
  14
  15 export const projectPanelMiddleware: Middleware = store => next => {
  16     next(actions.SET_COLUMNS({ id: PROJECT_PANEL_ID, columns }));
  17
  18     return action => {
  19
  20         const handleProjectPanelAction = <T extends { id: string }>(handler: (data: T) => void) =>
  21             (data: T) => {
  22                 next(action);
  23                 if (data.id === PROJECT_PANEL_ID) {
  24                     handler(data);
  25                 }
  26             };
  27
  28         actions.match(action, {
  29             SET_PAGE: handleProjectPanelAction(() => {
  30                 store.dispatch(actions.REQUEST_ITEMS({ id: PROJECT_PANEL_ID }));
  31             }),
  32             SET_ROWS_PER_PAGE: handleProjectPanelAction(() => {
  33                 store.dispatch(actions.REQUEST_ITEMS({ id: PROJECT_PANEL_ID }));
  34             }),
  35             SET_FILTERS: handleProjectPanelAction(() => {
  36                 store.dispatch(actions.REQUEST_ITEMS({ id: PROJECT_PANEL_ID }));
  37             }),
  38             REQUEST_ITEMS: handleProjectPanelAction(() => {
  39                 const state = store.getState() as RootState;
  40                 const dataExplorer = getDataExplorer(state.dataExplorer, PROJECT_PANEL_ID);
  41                 const typeColumn = columns.find(c => c.name === "Type");
  42                 const typeFilters = getSelectedTypeFilters(dataExplorer.columns as DataColumns<ProjectPanelItem, ProjectPanelFilter>);
  43                 if (typeFilters.length > 0) {
  44                     groupsService
  45                         .contents(state.projects.currentItemId, {
  46                             limit: dataExplorer.rowsPerPage,
  47                             offset: dataExplorer.page * dataExplorer.rowsPerPage,
  48                             filters: FilterBuilder.create().addIsA("uuid", typeFilters.map(f => f.type))
  49                         })
  50                         .then(response => {
  51                             store.dispatch(actions.SET_ITEMS({
  52                                 id: PROJECT_PANEL_ID,
  53                                 items: response.items.map(resourceToDataItem),
  54                                 itemsAvailable: response.itemsAvailable,
  55                                 page: Math.floor(response.offset / response.limit),
  56                                 rowsPerPage: response.limit
  57                             }));
  58                         });
  59                 } else {
  60                     store.dispatch(actions.SET_ITEMS({
  61                         id: PROJECT_PANEL_ID,
  62                         items: [],
  63                         itemsAvailable: 0,
  64                         page: 0,
  65                         rowsPerPage: dataExplorer.rowsPerPage
  66                     }));
  67                 }
  68             }),
  69             default: () => next(action)
  70         });
  71     };
  72 };
  73
  74 const getSelectedTypeFilters = (columns: DataColumns<ProjectPanelItem, ProjectPanelFilter>) => {
  75     const typeColumn = columns.find(c => c.name === "Type");
  76     return typeColumn && typeColumn.filters ? typeColumn.filters.filter(f => f.selected) : [];
  77 };
  78