Cascade different refactorings to eliminate global shared state from app paths

Co-authored-by: Mikko Aspiala <mikko.aspiala@gmail.com>

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

src/renderer/cluster-frame-context/cluster-frame-context.injectable.ts

@@ -0,0 +1,42 @@
+/**
+ * Copyright (c) 2021 OpenLens Authors
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+import { getInjectable, lifecycleEnum } from "@ogre-tools/injectable";
+import { ClusterFrameContext } from "./cluster-frame-context";
+import namespaceStoreInjectable from "../components/+namespaces/namespace-store/namespace-store.injectable";
+import hostedClusterInjectable from "../../common/cluster-store/hosted-cluster/hosted-cluster.injectable";
+
+const clusterFrameContextInjectable = getInjectable({
+  instantiate: (di) => {
+    const cluster = di.inject(hostedClusterInjectable);
+
+    return new ClusterFrameContext(
+      cluster,
+
+      {
+        namespaceStore: di.inject(namespaceStoreInjectable),
+      },
+    );
+  },
+
+  lifecycle: lifecycleEnum.singleton,
+});
+
+export default clusterFrameContextInjectable;

src/renderer/cluster-frame-context/cluster-frame-context.ts

@@ -0,0 +1,62 @@
+/**
+ * Copyright (c) 2021 OpenLens Authors
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+import type { Cluster } from "../../common/cluster/cluster";
+import type { NamespaceStore } from "../components/+namespaces/namespace-store/namespace.store";
+import type { ClusterContext } from "../../common/k8s-api/cluster-context";
+import { computed, makeObservable } from "mobx";
+
+interface Dependencies {
+  namespaceStore: NamespaceStore
+}
+
+export class ClusterFrameContext implements ClusterContext {
+  constructor(public cluster: Cluster, private dependencies: Dependencies) {
+    makeObservable(this);
+  }
+
+  @computed get allNamespaces(): string[] {
+    // user given list of namespaces
+    if (this.cluster.accessibleNamespaces.length) {
+      return this.cluster.accessibleNamespaces;
+    }
+
+    if (this.dependencies.namespaceStore.items.length > 0) {
+      // namespaces from kubernetes api
+      return this.dependencies.namespaceStore.items.map((namespace) => namespace.getName());
+    } else {
+      // fallback to cluster resolved namespaces because we could not load list
+      return this.cluster.allowedNamespaces || [];
+    }
+  }
+
+  @computed get contextNamespaces(): string[] {
+    return this.dependencies.namespaceStore.contextNamespaces;
+  }
+
+  @computed get hasSelectedAll(): boolean {
+    const namespaces = new Set(this.contextNamespaces);
+
+    return this.allNamespaces?.length > 1
+      && this.cluster.accessibleNamespaces.length === 0
+      && this.allNamespaces.every(ns => namespaces.has(ns));
+  }
+}