X-Git-Url: https://git.arvados.org/arvados-workbench2.git/blobdiff_plain/c16bd80e93d4f5613f4c0a8ef973502932c62486..38e6956f75e723cf5c442188c0e570e282d04395:/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 14be4ea7..71a6ee6a 100644
--- a/src/store/data-explorer/data-explorer-middleware-service.ts
+++ b/src/store/data-explorer/data-explorer-middleware-service.ts
@@ -4,6 +4,11 @@
 
 import { Dispatch, MiddlewareAPI } from "redux";
 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;
@@ -16,5 +21,25 @@ export abstract class DataExplorerMiddlewareService {
         return this.id;
     }
 
-    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): Promise<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
+});