X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/71b7de8657caf1776c082a350e1a55cbe01bf21d..273119605b7f33940a5ef9b1422eb1ff152d6764:/src/store/data-explorer/data-explorer-middleware-service.ts

diff --git a/src/store/data-explorer/data-explorer-middleware-service.ts b/src/store/data-explorer/data-explorer-middleware-service.ts
index 444e74006b..01964fa48a 100644
--- a/src/store/data-explorer/data-explorer-middleware-service.ts
+++ b/src/store/data-explorer/data-explorer-middleware-service.ts
@@ -2,21 +2,76 @@
 //
 // SPDX-License-Identifier: AGPL-3.0
 
-import { getDataExplorer } from "./data-explorer-reducer";
-import { MiddlewareAPI } from "../../../node_modules/redux";
-import { DataColumns } from "../../components/data-table/data-table";
+import { Dispatch, MiddlewareAPI } from 'redux';
+import { RootState } from '../store';
+import { DataColumns } from 'components/data-table/data-table';
+import { DataExplorer, getSortColumn } from './data-explorer-reducer';
+import { ListResults } from 'services/common-service/common-service';
+import { createTree } from 'models/tree';
+import { DataTableFilters } from 'components/data-table-filters/data-table-filters-tree';
+import { OrderBuilder, OrderDirection } from 'services/api/order-builder';
+import { SortDirection } from 'components/data-table/data-column';
+import { Resource } from 'models/resource';
 
 export abstract class DataExplorerMiddlewareService {
+    protected readonly id: string;
 
-    abstract get Id(): string;
-    abstract get Columns(): DataColumns<any>;
-    abstract requestItems (api: MiddlewareAPI): void;
-    
-    protected api: MiddlewareAPI;
-    set Api(value: MiddlewareAPI) {
-        this.api = value;
+    protected constructor(id: string) {
+        this.id = id;
     }
-    get DataExplorer () {
-        return getDataExplorer(this.api.getState(), this.Id);
+
+    public getId() {
+        return this.id;
+    }
+
+    public getColumnFilters<T>(
+        columns: DataColumns<T, any>,
+        columnName: string
+    ): DataTableFilters {
+        return getDataExplorerColumnFilters(columns, columnName);
+    }
+
+    abstract requestItems(
+        api: MiddlewareAPI<Dispatch, RootState>,
+        criteriaChanged?: boolean
+    ): Promise<void>;
+}
+
+export const getDataExplorerColumnFilters = <T>(
+    columns: DataColumns<T, any>,
+    columnName: string
+): DataTableFilters => {
+    const column = columns.find((c) => c.name === columnName);
+    return column ? column.filters : createTree();
+};
+
+export const dataExplorerToListParams = (dataExplorer: DataExplorer) => ({
+    limit: dataExplorer.rowsPerPage,
+    offset: dataExplorer.page * dataExplorer.rowsPerPage,
+});
+
+export const getOrder = <T extends Resource = Resource>(dataExplorer: DataExplorer) => {
+    const sortColumn = getSortColumn<T>(dataExplorer);
+    const order = new OrderBuilder<T>();
+    if (sortColumn && sortColumn.sort) {
+        const sortDirection = sortColumn.sort.direction === SortDirection.ASC
+            ? OrderDirection.ASC
+            : OrderDirection.DESC;
+
+        return order
+            .addOrder(sortDirection, sortColumn.sort.field)
+            .getOrder();
+    } else {
+        return order.getOrder();
     }
-}
\ No newline at end of file
+};
+
+export const listResultsToDataExplorerItemsMeta = <R>({
+    itemsAvailable,
+    offset,
+    limit,
+}: ListResults<R>) => ({
+    itemsAvailable,
+    page: Math.floor(offset / limit),
+    rowsPerPage: limit,
+});