support: Replaced PageList with SWR (#4498)

packages/app/src/components/PageList.jsx

@@ -8,39 +8,33 @@ import { withUnstatedContainers } from './UnstatedUtils';
 import AppContainer from '~/client/services/AppContainer';
 import PageContainer from '~/client/services/PageContainer';
 
+import { toastError } from '~/client/util/apiNotification';
+import { useSWRxPageList } from '~/stores/page';
+
 import PaginationWrapper from './PaginationWrapper';
 
 
 const PageList = (props) => {
   const { appContainer, pageContainer, t } = props;
   const { path } = pageContainer.state;
-  const [pages, setPages] = useState(null);
-  const [isLoading, setIsLoading] = useState(true);
 
   const [activePage, setActivePage] = useState(1);
-  const [totalPages, setTotalPages] = useState(0);
-  const [limit, setLimit] = useState(Infinity);
+
+  const { data: pagesListData, error } = useSWRxPageList(path, activePage);
 
   function setPageNumber(selectedPageNumber) {
     setActivePage(selectedPageNumber);
   }
 
-  const updatePageList = useCallback(async() => {
-    const page = activePage;
-    const res = await appContainer.apiv3Get('/pages/list', { path, page });
-
-    setPages(res.data.pages);
-    setIsLoading(false);
-    setTotalPages(res.data.totalCount);
-    setLimit(res.data.limit);
-  }, [appContainer, path, activePage]);
-
-  useEffect(() => {
-    updatePageList();
-  }, [updatePageList]);
 
+  // TODO: To be implemented in #79549
+  if (error != null) {
+    // toastError(error, 'Error occurred in PageList');
+    // eslint-disable-next-line no-console
+    console.log(error, 'Error occurred in PageList');
+  }
 
-  if (isLoading) {
+  if (pagesListData == null) {
     return (
       <div className="wiki">
         <div className="text-muted text-center">
@@ -51,7 +45,7 @@ const PageList = (props) => {
   }
 
   const liClasses = props.liClasses.join(' ');
-  const pageList = pages.map(page => (
+  const pageList = pagesListData.items.map(page => (
     <li key={page._id} className={liClasses}>
       <Page page={page} />
     </li>
@@ -81,14 +75,12 @@ const PageList = (props) => {
       <PaginationWrapper
         activePage={activePage}
         changePage={setPageNumber}
-        totalItemsCount={totalPages}
-        pagingLimit={limit}
+        totalItemsCount={pagesListData.totalCount}
+        pagingLimit={pagesListData.limit}
         align="center"
       />
     </div>
   );
-
-
 };
 
 const PageListWrapper = withUnstatedContainers(PageList, [AppContainer, PageContainer]);

packages/app/src/interfaces/paging-result.ts

@@ -0,0 +1,5 @@
+export type IPagingResult<T> = {
+  items: T[],
+  totalCount: number,
+  limit: number,
+}

packages/app/src/stores/page.tsx

@@ -3,6 +3,8 @@ import useSWR, { SWRResponse } from 'swr';
 import { apiv3Get } from '~/client/util/apiv3-client';
 
 import { IPage } from '~/interfaces/page';
+import { IPagingResult } from '~/interfaces/paging-result';
+
 
 // eslint-disable-next-line @typescript-eslint/no-unused-vars
 export const useSWRxRecentlyUpdated = <Data, Error>(): SWRResponse<IPage[], Error> => {
@@ -11,3 +13,21 @@ export const useSWRxRecentlyUpdated = <Data, Error>(): SWRResponse<IPage[], Erro
     endpoint => apiv3Get<{ pages: IPage[] }>(endpoint).then(response => response.data?.pages),
   );
 };
+
+// eslint-disable-next-line @typescript-eslint/no-unused-vars
+export const useSWRxPageList = (
+    path: string,
+    pageNumber?: number,
+): SWRResponse<IPagingResult<IPage>, Error> => {
+  const page = pageNumber || 1;
+  return useSWR(
+    `/pages/list?path=${path}&page=${page}`,
+    endpoint => apiv3Get<{pages: IPage[], totalCount: number, limit: number}>(endpoint).then((response) => {
+      return {
+        items: response.data.pages,
+        totalCount: response.data.totalCount,
+        limit: response.data.limit,
+      };
+    }),
+  );
+};