From 08e1467bb14be30bbc93d3ae404f3b7c22d84b98 Mon Sep 17 00:00:00 2001
From: Kacper Donat <kadet1090@gmail.com>
Date: Sat, 14 Nov 2020 22:38:39 +0100
Subject: [PATCH] Bulk deletion of pages

---
 src/helpers.ts                  |  5 +++--
 src/management/api/page.ts      |  7 +++++--
 src/management/page/list.tsx    | 28 ++++++++++++++++++++++------
 translations/management.pl.yaml |  2 ++
 4 files changed, 32 insertions(+), 10 deletions(-)

diff --git a/src/helpers.ts b/src/helpers.ts
index a37de8c..1d66767 100644
--- a/src/helpers.ts
+++ b/src/helpers.ts
@@ -2,6 +2,7 @@ export type Nullable<T> = { [P in keyof T]: T[P] | null }
 
 export type Subset<T> = { [K in keyof T]?: Subset<T[K]> }
 export type Dictionary<T> = { [key: string]: T };
+export type OneOrMany<T> = T | T[];
 
 export type Index = string | symbol | number;
 
@@ -27,7 +28,7 @@ export function throttle<TArgs extends any[]>(decorated: (...args: TArgs) => voi
     }
 }
 
-export function encapsulate<T>(value: T|T[]): T[] {
+export function encapsulate<T>(value: OneOrMany<T>): T[] {
     if (value instanceof Array) {
         return value;
     }
@@ -35,7 +36,7 @@ export function encapsulate<T>(value: T|T[]): T[] {
     return [ value ];
 }
 
-export function one<T>(value: T|T[]): T {
+export function one<T>(value: OneOrMany<T>): T {
     if (value instanceof Array) {
         return value[0];
     }
diff --git a/src/management/api/page.ts b/src/management/api/page.ts
index c615845..aa0ce1e 100644
--- a/src/management/api/page.ts
+++ b/src/management/api/page.ts
@@ -3,6 +3,7 @@ import pageDtoTransformer, { PageDTO } from "@/api/dto/page";
 import { axios } from "@/api";
 import { STATIC_PAGE_ENDPOINT } from "@/api/page";
 import { prepare } from "@/routing";
+import { encapsulate, OneOrMany } from "@/helpers";
 
 const STATIC_PAGE_INDEX_ENDPOINT = "/staticPage";
 
@@ -13,8 +14,10 @@ export async function all(): Promise<Page[]> {
     return response.data.map(dto => pageDtoTransformer.transform(dto));
 }
 
-export async function remove(page: Pick<Page, "slug">): Promise<void> {
-    await axios.delete(prepare(STATIC_PAGE_ENDPOINT, { slug: page.slug }));
+export async function remove(page: OneOrMany<Pick<Page, "slug">>): Promise<void> {
+    const pages = encapsulate(page);
+
+    await Promise.all(pages.map(page => axios.delete(prepare(STATIC_PAGE_ENDPOINT, { slug: page.slug }))));
 }
 
 export async function save(page: Page): Promise<Page> {
diff --git a/src/management/page/list.tsx b/src/management/page/list.tsx
index 4eaf524..2a00a83 100644
--- a/src/management/page/list.tsx
+++ b/src/management/page/list.tsx
@@ -9,7 +9,7 @@ import { Async } from "@/components/async";
 import MaterialTable, { Action, Column } from "material-table";
 import { default as StaticPage } from "@/data/page";
 import { Delete, FileFind, Pencil, Refresh } from "mdi-material-ui";
-import { encapsulate, one } from "@/helpers";
+import { encapsulate, one, OneOrMany } from "@/helpers";
 import { Actions } from "@/components";
 import { useSpacing } from "@/styles";
 import { useHistory } from "react-router-dom";
@@ -21,6 +21,7 @@ import { Confirm } from "@/components/confirm";
 export const StaticPageManagement = () => {
     const { t } = useTranslation("management");
     const [ result, setPagesPromise ] = useAsyncState<StaticPage[]>();
+    const [ selected, setSelected ] = useState<StaticPage[]>([]);
     const spacing = useSpacing(2);
 
     const updatePageList = () => {
@@ -67,20 +68,28 @@ export const StaticPageManagement = () => {
         </>
     }
 
-    const DeleteStaticPageAction = ({ page }: { page: StaticPage }) => {
+    const DeleteStaticPageAction = ({ page, children }: { page: OneOrMany<StaticPage>, children?: (action: any) => React.ReactNode }) => {
         const handlePageDeletion = async () => {
             await api.page.remove(page);
             updatePageList();
         }
 
         const confirmation = <>
-            <Trans i18nKey="page.confirm.delete">
-                Czy na pewno chcesz usunąć stronę <strong>{ page.title.pl }</strong>?
-            </Trans>
+            { !Array.isArray(page)
+                ? <Trans i18nKey="page.confirm.delete">
+                    Czy na pewno chcesz usunąć stronę <strong>{ page.title.pl }</strong>?
+                </Trans>
+                : <>
+                    { t("page.confirm.bulk-delete") }
+                    <ul>
+                        { page.map(page => <li key={ page.slug }>{ page.title.pl }</li>) }
+                    </ul>
+                </>
+            }
         </>;
 
         return <Confirm onConfirm={ handlePageDeletion } content={ confirmation }>
-            { action => <Tooltip title={ t("actions.delete") as string }><IconButton onClick={ action }><Delete /></IconButton></Tooltip> }
+            { action => children ? children(action) : <Tooltip title={ t("actions.delete") as string }><IconButton onClick={ action }><Delete /></IconButton></Tooltip> }
         </Confirm>;
     }
 
@@ -143,12 +152,19 @@ export const StaticPageManagement = () => {
                 <CreateStaticPageAction />
                 <Button onClick={ updatePageList } startIcon={ <Refresh /> }>{ t("refresh") }</Button>
             </Actions>
+            { selected.length > 0 && <Actions>
+                <DeleteStaticPageAction page={ selected }>
+                    { action => <Button startIcon={ <Delete /> } onClick={ action }>{ t("actions.delete") }</Button> }
+                </DeleteStaticPageAction>
+            </Actions> }
             <Async async={ result } keepValue>{
                 pages => <MaterialTable
                     title={ <div style={{ display: "flex", alignItems: "center" }}>{ t("page.index.title") } { result.isLoading && <CircularProgress size="1.5rem" style={{ marginLeft: "1rem" }}/> }</div> }
                     columns={ columns }
                     data={ pages }
                     detailPanel={ page => <PagePreview page={ page } /> }
+                    onSelectionChange={ pages => setSelected(pages) }
+                    options={{ selection: true }}
                 />
             }</Async>
         </Container>
diff --git a/translations/management.pl.yaml b/translations/management.pl.yaml
index 1b9e4ac..1ebd647 100644
--- a/translations/management.pl.yaml
+++ b/translations/management.pl.yaml
@@ -31,3 +31,5 @@ page:
     title: Utwórz stronę statyczną
   edit:
     title: Zmień stronę statyczną
+  confirm:
+    bulk-delete: Czy na pewno chcesz usunąć wszystkie wybrane strony?