Duplicate views: Redirect from Calypso to WP Admin (Posts, Testimonials, Portfolio)

client/controller/index.node.js

@@ -93,3 +93,5 @@ export const render = ( context ) => {};
 export const ProviderWrappedLayout = () => null;
 export const notFound = () => null;
 export const setSelectedSiteIdByOrigin = () => {};
+// eslint-disable-next-line no-unused-vars
+export const redirectIfDuplicatedView = ( wpAdminPath ) => () => {};

client/controller/index.web.js

@@ -16,6 +16,7 @@ import MomentProvider from 'calypso/components/localized-moment/provider';
 import { RouteProvider } from 'calypso/components/route';
 import Layout from 'calypso/layout';
 import LayoutLoggedOut from 'calypso/layout/logged-out';
+import { loadExperimentAssignment } from 'calypso/lib/explat';
 import { navigate } from 'calypso/lib/navigate';
 import { createAccountUrl, login } from 'calypso/lib/paths';
 import { CalypsoReactQueryDevtools } from 'calypso/lib/react-query-devtools-helper';
@@ -32,7 +33,7 @@ import {
 import { canCurrentUser } from 'calypso/state/selectors/can-current-user';
 import { getSiteAdminUrl, getSiteHomeUrl, getSiteOption } from 'calypso/state/sites/selectors';
 import { setSelectedSiteId } from 'calypso/state/ui/actions/set-sites.js';
-import { getSelectedSite } from 'calypso/state/ui/selectors';
+import { getSelectedSite, getSelectedSiteId } from 'calypso/state/ui/selectors';
 import { makeLayoutMiddleware } from './shared.js';
 import { hydrate, render } from './web-util.js';
 
@@ -390,3 +391,19 @@ export const setSelectedSiteIdByOrigin = ( context, next ) => {
 export const ssrSetupLocale = ( _context, next ) => {
 	next();
 };
+
+export const redirectIfDuplicatedView = ( wpAdminPath ) => async ( context, next ) => {
+	const duplicateViewsExperimentAssignment = await loadExperimentAssignment(
+		'calypso_duplicate_views_placeholder'
+	);
+	if ( duplicateViewsExperimentAssignment.variationName === 'treatment' ) {
+		const state = context.store.getState();
+		const siteId = getSelectedSiteId( state );
+		const wpAdminUrl = getSiteAdminUrl( state, siteId, wpAdminPath );
+		if ( wpAdminUrl ) {
+			window.location = wpAdminUrl;
+			return;
+		}
+	}
+	next();
+};

client/my-sites/posts/index.js

@@ -1,5 +1,5 @@
 import page from '@automattic/calypso-router';
-import { makeLayout, render as clientRender } from 'calypso/controller';
+import { makeLayout, render as clientRender, redirectIfDuplicatedView } from 'calypso/controller';
 import { getSiteFragment } from 'calypso/lib/route';
 import { navigation, siteSelection } from 'calypso/my-sites/controller';
 import postsController from './controller';
@@ -8,6 +8,7 @@ export default function () {
 	page(
 		'/posts/:author(my)?/:status(published|drafts|scheduled|trashed)?/:domain?',
 		siteSelection,
+		redirectIfDuplicatedView( 'edit.php' ),
 		navigation,
 		postsController.posts,
 		makeLayout,

client/my-sites/site-settings/settings-writing/index.js

@@ -1,9 +1,20 @@
 import page from '@automattic/calypso-router';
-import { makeLayout, render as clientRender } from 'calypso/controller';
+import {
+	makeLayout,
+	render as clientRender,
+	redirectIfDuplicatedView as _redirectIfDuplicatedView,
+} from 'calypso/controller';
 import { navigation, siteSelection, sites } from 'calypso/my-sites/controller';
 import { setScroll, siteSettings } from 'calypso/my-sites/site-settings/settings-controller';
 import { taxonomies, writing } from './controller';
 
+const redirectIfDuplicatedView = ( context, next ) => {
+	_redirectIfDuplicatedView( `edit-tags.php?taxonomy=${ context.params.taxonomy }` )(
+		context,
+		next
+	);
+};
+
 export default function () {
 	page(
 		'/settings/writing/:site_id',
@@ -20,6 +31,7 @@ export default function () {
 	page(
 		'/settings/taxonomies/:taxonomy/:site_id',
 		siteSelection,
+		redirectIfDuplicatedView,
 		navigation,
 		setScroll,
 		taxonomies,

client/my-sites/types/index.js

@@ -1,9 +1,23 @@
-import { makeLayout } from 'calypso/controller';
+import {
+	makeLayout,
+	redirectIfDuplicatedView as _redirectIfDuplicatedView,
+} from 'calypso/controller';
 import { siteSelection, navigation, sites } from 'calypso/my-sites/controller';
 import { list } from './controller';
 
+const redirectIfDuplicatedView = ( context, next ) => {
+	_redirectIfDuplicatedView( `edit.php?post_type=${ context.params.type }` )( context, next );
+};
+
 export default function ( router ) {
-	router( '/types/:type/:status?/:site', siteSelection, navigation, list, makeLayout );
-	router( '/types/:type', siteSelection, sites, makeLayout );
+	router(
+		'/types/:type/:status?/:site',
+		siteSelection,
+		redirectIfDuplicatedView,
+		navigation,
+		list,
+		makeLayout
+	);
+	router( '/types/:type', siteSelection, redirectIfDuplicatedView, sites, makeLayout );
 	router( '/types', '/posts' );
 }