Lens app source code (#119)

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

dashboard/client/components/+apps-helm-charts/helm-chart.store.ts

@@ -0,0 +1,67 @@
+import { observable } from "mobx";
+import { autobind } from "../../utils";
+import { HelmChart, helmChartsApi } from "../../api/endpoints/helm-charts.api";
+import { ItemStore } from "../../item.store";
+import flatten from "lodash/flatten"
+
+export interface IChartVersion {
+  repo: string;
+  version: string;
+}
+
+@autobind()
+export class HelmChartStore extends ItemStore<HelmChart> {
+  @observable versions = observable.map<string, IChartVersion[]>();
+
+  loadAll() {
+    return this.loadItems(() => helmChartsApi.list());
+  }
+
+  getByName(name: string, repo: string) {
+    return this.items.find(chart => chart.getName() === name && chart.getRepository() === repo);
+  }
+
+  protected sortVersions = (versions: IChartVersion[]) => {
+    return versions.sort((first, second) => {
+      const firstVersion = first.version.replace(/[^\d.]/g, "").split(".").map(Number);
+      const secondVersion = second.version.replace(/[^\d.]/g, "").split(".").map(Number);
+      return firstVersion.every((version, index) => {
+        return version > secondVersion[index];
+      }) ? -1 : 0;
+    });
+  };
+
+  async getVersions(chartName: string, force?: boolean): Promise<IChartVersion[]> {
+    let versions = this.versions.get(chartName);
+    if (versions && !force) {
+      return versions;
+    }
+    const loadVersions = (repo: string) => {
+      return helmChartsApi.get(repo, chartName).then(({ versions }) => {
+        return versions.map(chart => ({
+          repo: repo,
+          version: chart.getVersion()
+        }))
+      })
+    };
+    if (!this.isLoaded) {
+      await this.loadAll();
+    }
+    const repos = this.items
+      .filter(chart => chart.getName() === chartName)
+      .map(chart => chart.getRepository());
+    versions = await Promise.all(repos.map(loadVersions))
+      .then(flatten)
+      .then(this.sortVersions);
+
+    this.versions.set(chartName, versions);
+    return versions;
+  }
+
+  reset() {
+    super.reset();
+    this.versions.clear();
+  }
+}
+
+export const helmChartStore = new HelmChartStore();