1 files changed, 68 insertions, 0 deletions
diff --git a/src/jet/intents/charts-page-redirect-intent-controller.ts b/src/jet/intents/charts-page-redirect-intent-controller.ts
new file mode 100644
index 0000000..06d41ce
--- /dev/null
+++ b/src/jet/intents/charts-page-redirect-intent-controller.ts
@@ -0,0 +1,68 @@
+import type { IntentController } from '@jet/environment/dispatching';
+import type { RouteProvider } from '@jet/environment/routing';
+import type { AppStoreObjectGraph } from '@jet-app/app-store/foundation/runtime/app-store-object-graph';
+import { withActiveIntent } from '@jet-app/app-store/foundation/dependencies/active-intent';
+import { generateRoutes } from '@jet-app/app-store/common/util/generate-routes';
+import { injectWebNavigation } from '@jet-app/app-store/common/web-navigation/inject-web-navigation';
+import { makeChartsPageURL } from '@jet-app/app-store/common/charts/charts-page-url';
+import { makeChartsPageIntent } from '@jet-app/app-store/api/intents/charts-page-intent';
+import { GenericPage } from '@jet-app/app-store/api/models';
+import { isPreviewPlatform } from '@jet-app/app-store/api/models/preview-platform';
+import { notFoundError } from '@jet-app/app-store/foundation/media/network';
+
+const makeIntent = (opts) => ({
+    ...opts,
+    $kind: 'ChartsPageRedirect',
+});
+
+// This will catch URLs like `/charts/iphone`
+const { routes: routesWithoutGenreId } = generateRoutes(
+    makeIntent,
+    '/charts/{platform}',
+);
+
+// This will catch URLs like `/charts/iphone/utilities-apps/6002`
+const { routes: routesWithGenreId } = generateRoutes(
+    makeIntent,
+    '/charts/{platform}/{slug}/{genreId}',
+);
+
+function chartsPageRedirectRoutes(objectGraph: AppStoreObjectGraph) {
+    return [
+        ...routesWithoutGenreId(objectGraph),
+        ...routesWithGenreId(objectGraph),
+    ];
+}
+
+export const ChartsPageRedirectIntentController: IntentController<any> &
+    RouteProvider = {
+    $intentKind: 'ChartsPageRedirect',
+
+    routes: chartsPageRedirectRoutes,
+
+    async perform(intent, objectGraphWithoutActiveIntent: AppStoreObjectGraph) {
+        return await withActiveIntent(
+            objectGraphWithoutActiveIntent,
+            intent,
+            async (objectGraph) => {
+                const page = new GenericPage([]);
+                const chartPageIntent = makeChartsPageIntent(intent);
+
+                if (!isPreviewPlatform(intent.platform)) {
+                    throw notFoundError();
+                }
+
+                // Setting the `canonicalUrl` on the page to normal Charts Page URL (e.g. /{platform}/charts)
+                // will trigger a 301 redirect to the that page.
+                page.canonicalURL = makeChartsPageURL(
+                    objectGraph,
+                    chartPageIntent,
+                );
+
+                injectWebNavigation(objectGraph, page, intent.platform);
+
+                return page;
+            },
+        );
+    },
+};