From 2767521c504e5a43cfdcf86781f94ce2bcfc81e4 Mon Sep 17 00:00:00 2001
From: Michal Klobukowski <michal.klobukowski@contractors.roche.com>
Date: Wed, 4 Jul 2018 12:23:23 +0200
Subject: [PATCH] Improve pagination actions in data explorer

Feature #13703

Arvados-DCO-1.1-Signed-off-by: Michal Klobukowski <michal.klobukowski@contractors.roche.com>
---
 .../data-explorer/data-explorer-action.ts     | 20 ++++++++++---------
 .../data-explorer/data-explorer-reducer.ts    |  9 +++++++--
 2 files changed, 18 insertions(+), 11 deletions(-)

diff --git a/src/store/data-explorer/data-explorer-action.ts b/src/store/data-explorer/data-explorer-action.ts
index fd3a7afe..2c161c2c 100644
--- a/src/store/data-explorer/data-explorer-action.ts
+++ b/src/store/data-explorer/data-explorer-action.ts
@@ -4,17 +4,19 @@
 
 import { default as unionize, ofType, UnionOf } from "unionize";
 import { DataTableFilterItem } from "../../components/data-table-filters/data-table-filters";
-import { DataColumns } from "../../components/data-table/data-table";
+import { DataColumns, DataItem } from "../../components/data-table/data-table";
 
 const actions = unionize({
-    SET_COLUMNS: ofType<{id: string, columns: DataColumns<any> }>(),
-    SET_FILTERS: ofType<{id: string,columnName: string, filters: DataTableFilterItem[]}>(),
-    SET_ITEMS: ofType<{id: string,items: any[]}>(),
-    SET_PAGE: ofType<{id: string,page: number}>(),
-    SET_ROWS_PER_PAGE: ofType<{id: string,rowsPerPage: number}>(),
-    TOGGLE_COLUMN: ofType<{id: string, columnName: string }>(),
-    TOGGLE_SORT: ofType<{id: string, columnName: string }>(),
-    SET_SEARCH_VALUE: ofType<{id: string,searchValue: string}>()
+    RESET_PAGINATION: ofType<{ id: string }>(),
+    REQUEST_ITEMS: ofType<{ id: string }>(),
+    SET_COLUMNS: ofType<{ id: string, columns: DataColumns<any> }>(),
+    SET_FILTERS: ofType<{ id: string, columnName: string, filters: DataTableFilterItem[] }>(),
+    SET_ITEMS: ofType<{ id: string, items: DataItem[], page: number, rowsPerPage: number, itemsAvailable: number }>(),
+    SET_PAGE: ofType<{ id: string, page: number }>(),
+    SET_ROWS_PER_PAGE: ofType<{ id: string, rowsPerPage: number }>(),
+    TOGGLE_COLUMN: ofType<{ id: string, columnName: string }>(),
+    TOGGLE_SORT: ofType<{ id: string, columnName: string }>(),
+    SET_SEARCH_VALUE: ofType<{ id: string, searchValue: string }>(),
 }, { tag: "type", value: "payload" });
 
 export type DataExplorerAction = UnionOf<typeof actions>;
diff --git a/src/store/data-explorer/data-explorer-reducer.ts b/src/store/data-explorer/data-explorer-reducer.ts
index efb45da8..0622f0ff 100644
--- a/src/store/data-explorer/data-explorer-reducer.ts
+++ b/src/store/data-explorer/data-explorer-reducer.ts
@@ -10,6 +10,7 @@ import { DataColumns } from "../../components/data-table/data-table";
 interface DataExplorer {
     columns: DataColumns<any>;
     items: any[];
+    itemsAvailable: number;
     page: number;
     rowsPerPage: number;
     rowsPerPageOptions?: number[];
@@ -19,6 +20,7 @@ interface DataExplorer {
 export const initialDataExplorer: DataExplorer = {
     columns: [],
     items: [],
+    itemsAvailable: 0,
     page: 0,
     rowsPerPage: 10,
     rowsPerPageOptions: [5, 10, 25, 50],
@@ -29,14 +31,17 @@ export type DataExplorerState = Record<string, DataExplorer | undefined>;
 
 const dataExplorerReducer = (state: DataExplorerState = {}, action: DataExplorerAction) =>
     actions.match(action, {
+        RESET_PAGINATION: ({ id }) =>
+            update(state, id, explorer => ({ ...explorer, page: 0 })),
+
         SET_COLUMNS: ({ id, columns }) =>
             update(state, id, setColumns(columns)),
 
         SET_FILTERS: ({ id, columnName, filters }) =>
             update(state, id, mapColumns(setFilters(columnName, filters))),
 
-        SET_ITEMS: ({ id, items }) =>
-            update(state, id, explorer => ({ ...explorer, items })),
+        SET_ITEMS: ({ id, items, itemsAvailable, page, rowsPerPage }) =>
+            update(state, id, explorer => ({ ...explorer, items, itemsAvailable, page, rowsPerPage })),
 
         SET_PAGE: ({ id, page }) =>
             update(state, id, explorer => ({ ...explorer, page })),
-- 
2.30.2