Implement missing weblink add/remove (#3092)

* implement weblink add/remove

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

* cleanup

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

* refactor

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

* css fix

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

* fix tests

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

src/main/catalog-sources/index.ts

@@ -19,4 +19,5 @@
  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  */
 
+export { initializeWeblinks } from "./weblinks";
 export { KubeconfigSyncManager } from "./kubeconfig-sync";

src/main/catalog-sources/weblinks.ts

@@ -0,0 +1,102 @@
+/**
+ * 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 { observable, reaction } from "mobx";
+import { WeblinkStore } from "../../common/weblink-store";
+import { WebLink } from "../../common/catalog-entities";
+import { catalogEntityRegistry } from "../catalog";
+import got from "got";
+import logger from "../logger";
+import { docsUrl, slackUrl } from "../../common/vars";
+
+const defaultLinks = [
+  { title: "Lens Website", url: "https://k8slens.dev" },
+  { title: "Lens Documentation", url: docsUrl },
+  { title: "Lens Community Slack", url: slackUrl },
+  { title: "Kubernetes Documentation", url: "https://kubernetes.io/docs/home/" },
+  { title: "Lens on Twitter", url: "https://twitter.com/k8slens" },
+  { title: "Lens Official Blog", url: "https://medium.com/k8slens" }
+].map((link) => (
+  new WebLink({
+    metadata: {
+      uid: link.url,
+      name: link.title,
+      source: "app",
+      labels: {}
+    },
+    spec: {
+      url: link.url
+    },
+    status: {
+      phase: "available",
+      active: true
+    }
+  })
+));
+
+async function validateLink(link: WebLink) {
+  try {
+    const response = await got.get(link.spec.url, {
+      throwHttpErrors: false
+    });
+
+    if (response.statusCode >= 200 && response.statusCode < 500) {
+      link.status.phase = "available";
+    } else {
+      link.status.phase = "unavailable";
+    }
+  } catch(error) {
+    link.status.phase = "unavailable";
+  }
+}
+
+
+export function initializeWeblinks() {
+  const weblinkStore = WeblinkStore.getInstance();
+  const weblinks = observable.array(defaultLinks);
+
+  reaction(() => weblinkStore.weblinks, (links) => {
+    weblinks.replace(links.map((data) => new WebLink({
+      metadata: {
+        uid: data.id,
+        name: data.name,
+        source: "local",
+        labels: {}
+      },
+      spec: {
+        url: data.url
+      },
+      status: {
+        phase: "available",
+        active: true
+      }
+    })));
+    weblinks.push(...defaultLinks);
+
+    for (const link of weblinks) {
+      validateLink(link).catch((error) => {
+        logger.error(`failed to validate link ${link.spec.url}: %s`, error);
+      });
+    }
+  }, {fireImmediately: true});
+
+  catalogEntityRegistry.addObservableSource("weblinks", weblinks);
+}