Refactor CatalogEntityRegistry from common to main (#2824)

* refactor CatalogEntityRegistry from common to main

Signed-off-by: Jari Kolehmainen <jari.kolehmainen@gmail.com>

* test fix

Signed-off-by: Jari Kolehmainen <jari.kolehmainen@gmail.com>

src/main/catalog/catalog-entity-registry.ts

@@ -0,0 +1,56 @@
+/**
+ * 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 { action, computed, observable, IComputedValue, IObservableArray } from "mobx";
+import { CatalogCategoryRegistry, catalogCategoryRegistry, CatalogEntity } from "../../common/catalog";
+import { iter } from "../../common/utils";
+
+export class CatalogEntityRegistry {
+  protected sources = observable.map<string, IComputedValue<CatalogEntity[]>>([], { deep: true });
+
+  constructor(private categoryRegistry: CatalogCategoryRegistry) {}
+
+  @action addObservableSource(id: string, source: IObservableArray<CatalogEntity>) {
+    this.sources.set(id, computed(() => source));
+  }
+
+  @action addComputedSource(id: string, source: IComputedValue<CatalogEntity[]>) {
+    this.sources.set(id, source);
+  }
+
+  @action removeSource(id: string) {
+    this.sources.delete(id);
+  }
+
+  @computed get items(): CatalogEntity[] {
+    const allItems = Array.from(iter.flatMap(this.sources.values(), source => source.get()));
+
+    return allItems.filter((entity) => this.categoryRegistry.getCategoryForEntity(entity) !== undefined);
+  }
+
+  getItemsForApiKind<T extends CatalogEntity>(apiVersion: string, kind: string): T[] {
+    const items = this.items.filter((item) => item.apiVersion === apiVersion && item.kind === kind);
+
+    return items as T[];
+  }
+}
+
+export const catalogEntityRegistry = new CatalogEntityRegistry(catalogCategoryRegistry);