X-Git-Url: https://git.arvados.org/arvados-workbench2.git/blobdiff_plain/711d39ce13e6662e7823485f13a6e94a748cecf8..ff073f6450dc3f6551586aab015583e39abb0a41:/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 e47824c1..57fd0b59 100644
--- a/src/store/data-explorer/data-explorer-middleware-service.ts
+++ b/src/store/data-explorer/data-explorer-middleware-service.ts
@@ -3,8 +3,12 @@
 // SPDX-License-Identifier: AGPL-3.0
 
 import { Dispatch, MiddlewareAPI } from "redux";
-import { DataColumns } from "../../components/data-table/data-table";
 import { RootState } from "../store";
+import { DataColumns } from "~/components/data-table/data-table";
+import { DataExplorer } 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";
 
 export abstract class DataExplorerMiddlewareService {
     protected readonly id: string;
@@ -17,6 +21,25 @@ export abstract class DataExplorerMiddlewareService {
         return this.id;
     }
 
-    abstract getColumns(): DataColumns<any>;
-    abstract requestItems(api: MiddlewareAPI<Dispatch, RootState>): void;
+    public getColumnFilters<T>(columns: DataColumns<T>, columnName: string): DataTableFilters {
+        return getDataExplorerColumnFilters(columns, columnName);
+    }
+
+    abstract requestItems(api: MiddlewareAPI<Dispatch, RootState>, criteriaChanged?: boolean): void;
 }
+
+export const getDataExplorerColumnFilters = <T>(columns: DataColumns<T>, 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 listResultsToDataExplorerItemsMeta = <R>({ itemsAvailable, offset, limit }: ListResults<R>) => ({
+    itemsAvailable,
+    page: Math.floor(offset / limit),
+    rowsPerPage: limit
+});