enhancement: create dedicated preview page (#21965)

* enh: add preview page and navbar

* chore: remove header

* chore: update e2e tests

* chore: remove getDocumentStatus export

* fix: error state

packages/core/admin/admin/src/features/BackButton.tsx

@@ -226,5 +226,5 @@ const BackButton = React.forwardRef<HTMLAnchorElement, BackButtonProps>(({ disab
   );
 });
 
-export { BackButton, HistoryProvider };
+export { BackButton, HistoryProvider, useHistory };
 export type { BackButtonProps, HistoryProviderProps, HistoryContextValue, HistoryState };

packages/core/admin/admin/src/index.ts

@@ -37,6 +37,7 @@ export {
 } from './features/Notifications';
 export { useAppInfo, type AppInfoContextValue } from './features/AppInfo';
 export { type Permission, useAuth, type AuthContextValue } from './features/Auth';
+export { useHistory } from './features/BackButton';
 
 /**
  * Hooks

packages/core/content-manager/admin/src/history/components/VersionHeader.tsx

@@ -14,7 +14,6 @@ import { stringify } from 'qs';
 import { useIntl } from 'react-intl';
 import { NavLink, useNavigate, useParams, type To } from 'react-router-dom';
 
-import { COLLECTION_TYPES } from '../../constants/collections';
 import { PERMISSIONS } from '../../constants/plugin';
 import { useHistoryContext } from '../pages/History';
 import { useRestoreVersionMutation } from '../services/historyVersion';
@@ -48,13 +47,6 @@ export const VersionHeader = ({ headerId }: VersionHeaderProps) => {
   const getNextNavigation = (): To => {
     const pluginsQueryParams = stringify({ plugins: query.plugins }, { encode: false });
 
-    if (collectionType === COLLECTION_TYPES) {
-      return {
-        pathname: '..',
-        search: pluginsQueryParams,
-      };
-    }
-
     return {
       pathname: '..',
       search: pluginsQueryParams,

packages/core/content-manager/admin/src/history/pages/History.tsx

@@ -1,12 +1,6 @@
 import * as React from 'react';
 
-import {
-  useQueryParams,
-  Page,
-  createContext,
-  useRBAC,
-  BackButton,
-} from '@strapi/admin/strapi-admin';
+import { useQueryParams, Page, createContext, useRBAC } from '@strapi/admin/strapi-admin';
 import { Box, Flex, FocusTrap, Main, Portal, Link } from '@strapi/design-system';
 import { stringify } from 'qs';
 import { useIntl } from 'react-intl';

packages/core/content-manager/admin/src/history/routes.tsx

@@ -1,9 +1,9 @@
 /* eslint-disable check-file/filename-naming-convention */
-import { lazy } from 'react';
+import * as React from 'react';
 
 import { type PathRouteProps } from 'react-router-dom';
 
-const ProtectedHistoryPage = lazy(() =>
+const ProtectedHistoryPage = React.lazy(() =>
   import('./pages/History').then((mod) => ({ default: mod.ProtectedHistoryPage }))
 );
 

packages/core/content-manager/admin/src/pages/EditView/EditViewPage.tsx

@@ -149,7 +149,7 @@ const EditViewPage = () => {
 
   return (
     <Main paddingLeft={10} paddingRight={10}>
-      <Page.Title>{`${documentTitle}`}</Page.Title>
+      <Page.Title>{documentTitle}</Page.Title>
       <Form
         disabled={hasDraftAndPublished && status === 'published'}
         initialValues={initialValues}
@@ -228,7 +228,7 @@ const StatusTab = styled(Tabs.Trigger)`
 
 /**
  * @internal
- * @description Returns the status of the document where it's latest state takes priority,
+ * @description Returns the status of the document where its latest state takes priority,
  * this typically will be "published" unless a user has edited their draft in which we should
  * display "modified".
  */

packages/core/content-manager/admin/src/preview/components/PreviewSidePanel.tsx

@@ -1,9 +1,9 @@
 import * as React from 'react';
 
-import { useClipboard, useNotification, useTracking } from '@strapi/admin/strapi-admin';
-import { Button, Flex, IconButton } from '@strapi/design-system';
-import { Link as LinkIcon } from '@strapi/icons';
+import { useQueryParams, useTracking } from '@strapi/admin/strapi-admin';
+import { Button, Flex } from '@strapi/design-system';
 import { UID } from '@strapi/types';
+import { stringify } from 'qs';
 import { useIntl } from 'react-intl';
 import { Link } from 'react-router-dom';
 
@@ -13,9 +13,14 @@ import type { PanelComponent } from '@strapi/content-manager/strapi-admin';
 
 const PreviewSidePanel: PanelComponent = ({ model, documentId, document }) => {
   const { formatMessage } = useIntl();
-  const { toggleNotification } = useNotification();
-  const { copy } = useClipboard();
   const { trackUsage } = useTracking();
+  const [{ query }] = useQueryParams();
+
+  /**
+   * The preview URL isn't used in this component, we just fetch it to know if preview is enabled
+   * for the content type. If it's not, the panel is not displayed. If it is, we display a link to
+   * /preview, and the URL will already be loaded in the RTK query cache.
+   */
   const { data, error } = useGetPreviewUrlQuery({
     params: {
       contentType: model as UID.ContentType,
@@ -31,20 +36,8 @@ const PreviewSidePanel: PanelComponent = ({ model, documentId, document }) => {
     return null;
   }
 
-  const { url } = data.data;
-
-  const handleCopyLink = () => {
-    copy(url);
-    toggleNotification({
-      message: formatMessage({
-        id: 'content-manager.preview.copy.success',
-        defaultMessage: 'Copied preview link',
-      }),
-      type: 'success',
-    });
-  };
-
   const handleClick = () => {
+    // TODO: delete this event and use willNavigate instead
     trackUsage('willOpenPreview');
   };
 
@@ -55,9 +48,8 @@ const PreviewSidePanel: PanelComponent = ({ model, documentId, document }) => {
         <Button
           variant="tertiary"
           tag={Link}
-          to={url}
+          to={{ pathname: 'preview', search: stringify(query, { encode: false }) }}
           onClick={handleClick}
-          target="_blank"
           flex="auto"
         >
           {formatMessage({
@@ -65,16 +57,6 @@ const PreviewSidePanel: PanelComponent = ({ model, documentId, document }) => {
             defaultMessage: 'Open preview',
           })}
         </Button>
-        <IconButton
-          type="button"
-          label={formatMessage({
-            id: 'preview.copy.label',
-            defaultMessage: 'Copy preview link',
-          })}
-          onClick={handleCopyLink}
-        >
-          <LinkIcon />
-        </IconButton>
       </Flex>
     ),
   };

packages/core/content-manager/admin/src/preview/pages/Preview.tsx

@@ -0,0 +1,200 @@
+import * as React from 'react';
+
+import { Page, useQueryParams, useRBAC, createContext } from '@strapi/admin/strapi-admin';
+import { Box, FocusTrap, Portal, Typography } from '@strapi/design-system';
+import { useIntl } from 'react-intl';
+import { useParams } from 'react-router-dom';
+
+import { GetPreviewUrl } from '../../../../shared/contracts/preview';
+import { COLLECTION_TYPES } from '../../constants/collections';
+import { DocumentRBAC } from '../../features/DocumentRBAC';
+import { type UseDocument, useDocument } from '../../hooks/useDocument';
+import { useDocumentLayout } from '../../hooks/useDocumentLayout';
+import { buildValidParams } from '../../utils/api';
+import { useGetPreviewUrlQuery } from '../services/preview';
+
+import type { UID } from '@strapi/types';
+
+/* -------------------------------------------------------------------------------------------------
+ * PreviewProvider
+ * -----------------------------------------------------------------------------------------------*/
+
+interface PreviewContextValue {
+  url: string;
+  mainField: string;
+  document: NonNullable<ReturnType<UseDocument>['document']>;
+  meta: NonNullable<ReturnType<UseDocument>['meta']>;
+  schema: NonNullable<ReturnType<UseDocument>['schema']>;
+}
+
+const [PreviewProvider, usePreviewContext] = createContext<PreviewContextValue>('PreviewPage');
+
+/* -------------------------------------------------------------------------------------------------
+ * PreviewPage
+ * -----------------------------------------------------------------------------------------------*/
+
+const PreviewPage = () => {
+  const { formatMessage } = useIntl();
+
+  // Read all the necessary data from the URL to find the right preview URL
+  const {
+    slug: model,
+    id: documentId,
+    collectionType,
+  } = useParams<{
+    slug: UID.ContentType;
+    id: string;
+    collectionType: string;
+  }>();
+  const [{ query }] = useQueryParams<{
+    plugins?: Record<string, unknown>;
+  }>();
+  const params = React.useMemo(() => buildValidParams(query), [query]);
+
+  if (!collectionType) {
+    throw new Error('Could not find collectionType in url params');
+  }
+
+  if (!model) {
+    throw new Error('Could not find model in url params');
+  }
+
+  // Only collection types must have a documentId
+  if (collectionType === COLLECTION_TYPES && !documentId) {
+    throw new Error('Could not find documentId in url params');
+  }
+
+  const previewUrlResponse = useGetPreviewUrlQuery({
+    params: {
+      contentType: model,
+    },
+    query: {
+      documentId,
+      locale: params.locale,
+      status: params.status as GetPreviewUrl.Request['query']['status'],
+    },
+  });
+
+  const documentResponse = useDocument({
+    model,
+    collectionType,
+    documentId,
+    params,
+  });
+
+  const documentLayoutResponse = useDocumentLayout(model);
+
+  if (
+    documentResponse.isLoading ||
+    previewUrlResponse.isLoading ||
+    documentLayoutResponse.isLoading
+  ) {
+    return <Page.Loading />;
+  }
+
+  if (
+    previewUrlResponse.error ||
+    documentLayoutResponse.error ||
+    !documentResponse.document ||
+    !documentResponse.meta ||
+    !documentResponse.schema
+  ) {
+    return <Page.Error />;
+  }
+
+  if (!previewUrlResponse.data?.data?.url) {
+    return <Page.NoData />;
+  }
+
+  return (
+    <>
+      <Page.Title>
+        {formatMessage(
+          {
+            id: 'content-manager.preview.page-title',
+            defaultMessage: '{contentType} preview',
+          },
+          {
+            contentType: documentLayoutResponse.edit.settings.displayName,
+          }
+        )}
+      </Page.Title>
+      <PreviewProvider
+        url={previewUrlResponse.data.data.url}
+        mainField={documentLayoutResponse.edit.settings.mainField}
+        document={documentResponse.document}
+        meta={documentResponse.meta}
+        schema={documentResponse.schema}
+      >
+        <Typography>Preview will go here!</Typography>
+      </PreviewProvider>
+    </>
+  );
+};
+
+/* -------------------------------------------------------------------------------------------------
+ * ProtectedPreviewPage
+ * -----------------------------------------------------------------------------------------------*/
+
+const ProtectedPreviewPageImpl = () => {
+  const { slug: model } = useParams<{
+    slug: string;
+  }>();
+  const {
+    permissions = [],
+    isLoading,
+    error,
+  } = useRBAC([{ action: 'plugin::content-manager.explorer.read', subject: model }]);
+
+  if (isLoading) {
+    return <Page.Loading />;
+  }
+
+  if (error || !model) {
+    return (
+      <Box
+        height="100vh"
+        width="100vw"
+        position="fixed"
+        top={0}
+        left={0}
+        zIndex={2}
+        background="neutral0"
+      >
+        <Page.Error />
+      </Box>
+    );
+  }
+
+  return (
+    <Box
+      height="100vh"
+      width="100vw"
+      position="fixed"
+      top={0}
+      left={0}
+      zIndex={2}
+      background="neutral0"
+    >
+      <Page.Protect permissions={permissions}>
+        {({ permissions }) => (
+          <DocumentRBAC permissions={permissions}>
+            <PreviewPage />
+          </DocumentRBAC>
+        )}
+      </Page.Protect>
+    </Box>
+  );
+};
+
+const ProtectedPreviewPage = () => {
+  return (
+    <Portal>
+      <FocusTrap>
+        <ProtectedPreviewPageImpl />
+      </FocusTrap>
+    </Portal>
+  );
+};
+
+export { ProtectedPreviewPage, usePreviewContext };

packages/core/content-manager/admin/src/preview/routes.tsx

@@ -0,0 +1,21 @@
+/* eslint-disable check-file/filename-naming-convention */
+import * as React from 'react';
+
+import type { PathRouteProps } from 'react-router-dom';
+
+const ProtectedPreviewPage = React.lazy(() =>
+  import('./pages/Preview').then((mod) => ({ default: mod.ProtectedPreviewPage }))
+);
+
+const routes: PathRouteProps[] = [
+  {
+    path: ':collectionType/:slug/:id/preview',
+    Component: ProtectedPreviewPage,
+  },
+  {
+    path: ':collectionType/:slug/preview',
+    Component: ProtectedPreviewPage,
+  },
+];
+
+export { routes };

packages/core/content-manager/admin/src/router.tsx

@@ -5,6 +5,7 @@ import { Navigate, PathRouteProps, useParams } from 'react-router-dom';
 
 import { COLLECTION_TYPES, SINGLE_TYPES } from './constants/collections';
 import { routes as historyRoutes } from './history/routes';
+import { routes as previewRoutes } from './preview/routes';
 
 const ProtectedEditViewPage = lazy(() =>
   import('./pages/EditView/EditViewPage').then((mod) => ({ default: mod.ProtectedEditViewPage }))
@@ -90,6 +91,7 @@ const routes: PathRouteProps[] = [
     Component: NoContentType,
   },
   ...historyRoutes,
+  ...previewRoutes,
 ];
 
 export { routes, CLONE_PATH, LIST_PATH };

packages/core/content-manager/admin/src/translations/en.json

@@ -233,6 +233,8 @@
   "popover.display-relations.label": "Display relations",
   "preview.panel.title": "Preview",
   "preview.panel.button": "Open preview",
+  "preview.page-title": "{contentType} preview",
+  "preview.header.close": "Close preview",
   "preview.copy.label": "Copy preview link",
   "preview.copy.success": "Copied preview link",
   "relation.add": "Add relation",

tests/e2e/tests/content-manager/preview.spec.ts

@@ -16,36 +16,15 @@ describeOnCondition(edition === 'EE')('Preview', () => {
     await page.waitForURL('/admin');
   });
 
-  test('Preview button should appear for configured content types', async ({
-    page,
-    context,
-    browser,
-  }) => {
+  test('Preview button should appear for configured content types', async ({ page, context }) => {
     // Open an edit view for a content type that has preview
     await clickAndWait(page, page.getByRole('link', { name: 'Content Manager' }));
     await clickAndWait(page, page.getByRole('link', { name: 'Article' }));
     await clickAndWait(page, page.getByRole('gridcell', { name: /west ham post match/i }));
 
-    // Copy the preview link
-    await page.getByRole('button', { name: /copy preview link/i }).click();
-    await findAndClose(page, 'Copied preview link');
-
-    // Check that preview opens in a new tab
-    const newTabPromiseDraft = page.waitForEvent('popup');
-    await page.getByRole('link', { name: /open preview/i }).click();
-    const newTab = await newTabPromiseDraft;
-    expect(newTab.url()).toMatch(/^https:\/\/strapi\.io\/preview\/api::article\.article.*\/draft$/);
-
-    // Check that preview link reflects the publication status
-    await page.getByRole('button', { name: /publish/i }).click();
-    await findAndClose(page, 'Published document');
-    await page.getByRole('tab', { name: /published/i }).click();
-    const newTabPromisePublished = page.waitForEvent('popup');
-    await page.getByRole('link', { name: /open preview/i }).click();
-    const newTab2 = await newTabPromisePublished;
-    expect(newTab2.url()).toMatch(
-      /^https:\/\/strapi\.io\/preview\/api::article\.article.*\/published$/
-    );
+    // Check that preview opens in its own page
+    await clickAndWait(page, page.getByRole('link', { name: /open preview/i }));
+    await expect(page.getByText('Preview will go here!')).toBeVisible();
   });
 
   test('Preview button should not appear for content types without preview config', async ({