Make routes in back-end comply to Open Closed Principle (#4859)

* Make registration of back-end routes happen using injectable

Signed-off-by: Janne Savolainen <janne.savolainen@live.fi>

* Switch to using injectable to setup route for list charts

Signed-off-by: Janne Savolainen <janne.savolainen@live.fi>

* Switch to using injectable to setup route for get chart

Signed-off-by: Janne Savolainen <janne.savolainen@live.fi>

* Switch to using injectable to setup route for get chart values

Signed-off-by: Janne Savolainen <janne.savolainen@live.fi>

* Switch to using injectable to setup route for installing chart

Signed-off-by: Janne Savolainen <janne.savolainen@live.fi>

* Switch to using injectable to setup route for updating release

Signed-off-by: Janne Savolainen <janne.savolainen@live.fi>

* Switch to using injectable to setup route for rollbacking release

Signed-off-by: Janne Savolainen <janne.savolainen@live.fi>

* Switch to using injectable to setup route for listing releases

Signed-off-by: Janne Savolainen <janne.savolainen@live.fi>

* Switch to using injectable to setup route for getting release

Signed-off-by: Janne Savolainen <janne.savolainen@live.fi>

* Switch to using injectable to setup route for getting release values

Signed-off-by: Janne Savolainen <janne.savolainen@live.fi>

* Switch to using injectable to setup route for getting release history

Signed-off-by: Janne Savolainen <janne.savolainen@live.fi>

* Switch to using injectable to setup route for deleting release

Signed-off-by: Janne Savolainen <janne.savolainen@live.fi>

* Remove HelmRoute for not being used anymore

Signed-off-by: Janne Savolainen <janne.savolainen@live.fi>

* Switch to using injectable to setup route for applying resource

Signed-off-by: Janne Savolainen <janne.savolainen@live.fi>

* Switch to using injectable to setup route for patching resource

Signed-off-by: Janne Savolainen <janne.savolainen@live.fi>

* Switch to using injectable to setup route for stopping current port forward

Signed-off-by: Janne Savolainen <janne.savolainen@live.fi>

* Switch to using injectable to setup route for getting current port forward

Signed-off-by: Janne Savolainen <janne.savolainen@live.fi>

* Consolidate start port forward route to use injection token for registering route

Signed-off-by: Janne Savolainen <janne.savolainen@live.fi>

* Switch to using injectable to setup route for metrics

Signed-off-by: Janne Savolainen <janne.savolainen@live.fi>

* Switch to using injectable to setup route for getting service account

Signed-off-by: Janne Savolainen <janne.savolainen@live.fi>

* Switch to using injectable to setup route for getting version

Signed-off-by: Janne Savolainen <janne.savolainen@live.fi>

* Add global override for reading file to make it not required where not interesting

Signed-off-by: Janne Savolainen <janne.savolainen@live.fi>

* Switch to using injectable to setup route for serving static files

Signed-off-by: Janne Savolainen <janne.savolainen@live.fi>

* Make adding routes private for router

Signed-off-by: Janne Savolainen <janne.savolainen@live.fi>

* Make routes wait until all asynchronous stuff are done

Signed-off-by: Janne Savolainen <janne.savolainen@live.fi>

* Introduce healthy abstraction between back-end routes and route handlers

Signed-off-by: Janne Savolainen <janne.savolainen@live.fi>

* Make response of route typed

Signed-off-by: Janne Savolainen <janne.savolainen@live.fi>

* Fix incorrect return value of updateRelease

Signed-off-by: Janne Savolainen <janne.savolainen@live.fi>

* Make typing of routes support synchronous values

Signed-off-by: Janne Savolainen <janne.savolainen@live.fi>

* Make code cleaner

Signed-off-by: Janne Savolainen <janne.savolainen@live.fi>

* Rename test for accuracy

Signed-off-by: Janne Savolainen <janne.savolainen@live.fi>

* Add test for throwing route handler

Signed-off-by: Janne Savolainen <janne.savolainen@live.fi>

* Remove duplicate license header

Signed-off-by: Janne Savolainen <janne.savolainen@live.fi>

* Make mechanism of creating HTTP response an implementation detail

Signed-off-by: Janne Savolainen <janne.savolainen@live.fi>

* Remove not needed properties from test

Signed-off-by: Janne Savolainen <janne.savolainen@live.fi>

* Fix code style

Signed-off-by: Janne Savolainen <janne.savolainen@live.fi>

* Fix typing and codestyle

Signed-off-by: Janne Savolainen <janne.savolainen@live.fi>

* Fix typing error

Signed-off-by: Janne Savolainen <janne.savolainen@live.fi>

* Fix merge conflicts

Signed-off-by: Janne Savolainen <janne.savolainen@live.fi>

* Organize all router related files under directory

Signed-off-by: Janne Savolainen <janne.savolainen@live.fi>

src/main/routes/helm/releases/list-releases-route.injectable.ts

@@ -0,0 +1,30 @@
+/**
+ * Copyright (c) OpenLens Authors. All rights reserved.
+ * Licensed under MIT License. See LICENSE in root directory for more information.
+ */
+import { apiPrefix } from "../../../../common/vars";
+import type { Route } from "../../../router/router";
+import { helmService } from "../../../helm/helm-service";
+import { routeInjectionToken } from "../../../router/router.injectable";
+import { getInjectable } from "@ogre-tools/injectable";
+
+const listReleasesRouteInjectable = getInjectable({
+  id: "list-releases-route",
+
+  instantiate: (): Route<Record<string, any>> => ({
+    method: "get",
+    path: `${apiPrefix}/v2/releases/{namespace?}`,
+
+    handler: async (request) => {
+      const { cluster, params } = request;
+
+      return {
+        response: await helmService.listReleases(cluster, params.namespace),
+      };
+    },
+  }),
+
+  injectionToken: routeInjectionToken,
+});
+
+export default listReleasesRouteInjectable;