Issue-827: Enhancement to bring back last active cluster view

This enhancement will store the last active cluster used in a workspace. If you then switch to a different
workspace and switch back the cluster view will be restored

Signed-off-by: Steve Richards <srichards@mirantis.com>

src/common/workspace-store.ts

@@ -3,8 +3,10 @@ import { BaseStore } from "./base-store";
 import { clusterStore } from "./cluster-store"
 import { landingURL } from "../renderer/components/+landing-page/landing-page.route";
 import { navigate } from "../renderer/navigation";
+import { clusterViewURL } from "../renderer/components/cluster-manager/cluster-view.route";
 
 export type WorkspaceId = string;
+export type ClusterId = string;
 
 export interface WorkspaceStoreModel {
   currentWorkspace?: WorkspaceId;
@@ -15,6 +17,7 @@ export interface Workspace {
   id: WorkspaceId;
   name: string;
   description?: string;
+  lastActiveClusterId?: ClusterId; 
 }
 
 export class WorkspaceStore extends BaseStore<WorkspaceStoreModel> {
@@ -31,7 +34,8 @@ export class WorkspaceStore extends BaseStore<WorkspaceStoreModel> {
   @observable workspaces = observable.map<WorkspaceId, Workspace>({
     [WorkspaceStore.defaultId]: {
       id: WorkspaceStore.defaultId,
-      name: "default"
+      name: "default",
+      lastActiveClusterId: "" 
     }
   });
 
@@ -55,18 +59,36 @@ export class WorkspaceStore extends BaseStore<WorkspaceStoreModel> {
     return this.workspacesList.find(workspace => workspace.name === name);
   }
 
+  @action
+  setLastActiveClusterId(id: WorkspaceId, clusterId: ClusterId) {
+    if (clusterId != null) {
+      this.getById(id).lastActiveClusterId = clusterId;
+    }
+  }
+
   @action
   setActive(id = WorkspaceStore.defaultId, { redirectToLanding = true, resetActiveCluster = true } = {}) {
+    this.setLastActiveClusterId(this.currentWorkspaceId, clusterStore.activeClusterId) 
+
     if (id === this.currentWorkspaceId) return;
-    if (!this.getById(id)) {
+    const workspaceToUse = this.getById(id); 
+  
+    if (!workspaceToUse) {
       throw new Error(`workspace ${id} doesn't exist`);
     }
-    this.currentWorkspaceId = id;
+
+    this.currentWorkspaceId = workspaceToUse.id;
+    const clusterId = workspaceToUse.lastActiveClusterId; 
     if (resetActiveCluster) {
-      clusterStore.setActive(null)
-    }
-    if (redirectToLanding) {
-      navigate(landingURL())
+      if (clusterId) {
+        clusterStore.setActive(clusterId)
+        navigate(clusterViewURL({ params: { clusterId } }));
+      } else {
+        clusterStore.setActive(null) 
+        if (redirectToLanding) {
+          navigate(landingURL())
+        }
+      }      
     }
   }
 

src/renderer/components/+add-cluster/add-cluster.tsx

@@ -146,7 +146,9 @@ export class AddCluster extends React.Component {
         clusterStore.addCluster(...newClusters);
         if (newClusters.length === 1) {
           const clusterId = newClusters[0].id;
+          const wsId = workspaceStore.currentWorkspace.id;
           clusterStore.setActive(clusterId);
+          workspaceStore.setLastActiveClusterId(wsId, clusterStore.activeClusterId);
           navigate(clusterViewURL({ params: { clusterId } }));
         } else {
           Notifications.ok(

src/renderer/components/+workspaces/workspace-menu.tsx

@@ -7,8 +7,9 @@ import { Trans } from "@lingui/macro";
 import { Menu, MenuItem, MenuProps } from "../menu";
 import { Icon } from "../icon";
 import { observable } from "mobx";
-import { workspaceStore } from "../../../common/workspace-store";
+import { workspaceStore, WorkspaceId } from "../../../common/workspace-store";
 import { cssNames } from "../../utils";
+import { clusterStore } from "../../../common/cluster-store";
 
 interface Props extends Partial<MenuProps> {
 }
@@ -17,6 +18,13 @@ interface Props extends Partial<MenuProps> {
 export class WorkspaceMenu extends React.Component<Props> {
   @observable menuVisible = false;
 
+  activateWorkspace = (id: WorkspaceId) => {
+    if (clusterStore.activeClusterId) {
+      workspaceStore.setLastActiveClusterId(workspaceStore.currentWorkspace.id, clusterStore.activeClusterId);
+    }
+    workspaceStore.setActive(id);
+  }
+
   render() {
     const { className, ...menuProps } = this.props;
     const { workspacesList, currentWorkspace } = workspaceStore;
@@ -38,7 +46,7 @@ export class WorkspaceMenu extends React.Component<Props> {
               key={workspaceId}
               title={description}
               active={workspaceId === currentWorkspace.id}
-              onClick={() => workspaceStore.setActive(workspaceId)}
+              onClick={() => this.activateWorkspace(workspaceId)}
             >
               <Icon small material="layers"/>
               <span className="workspace">{name}</span>

src/renderer/components/+workspaces/workspaces.tsx

@@ -54,6 +54,7 @@ export class Workspaces extends React.Component {
       id: workspaceId,
       name: "",
       description: "",
+      lastActiveClusterId: ""
     })
   }
 

src/renderer/components/cluster-manager/clusters-menu.tsx

@@ -29,6 +29,10 @@ interface Props {
 @observer
 export class ClustersMenu extends React.Component<Props> {
   showCluster = (clusterId: ClusterId) => {
+    const wsId = workspaceStore.currentWorkspace.id;
+    if(clusterId) { 
+      workspaceStore.setLastActiveClusterId(wsId, clusterId);
+    }
     clusterStore.setActive(clusterId);
     navigate(clusterViewURL({ params: { clusterId } }));
   }
@@ -57,7 +61,12 @@ export class ClustersMenu extends React.Component<Props> {
       menu.append(new MenuItem({
         label: _i18n._(t`Disconnect`),
         click: async () => {
+          const wsId = workspaceStore.currentWorkspace.id;
+          const wsLastActiveClusterId = workspaceStore.currentWorkspace.lastActiveClusterId
           if (clusterStore.isActive(cluster.id)) {
+            if (wsLastActiveClusterId === cluster.id) {
+              workspaceStore.setLastActiveClusterId(wsId, "");
+            }            
             navigate(landingURL());
             clusterStore.setActive(null);
           }
@@ -75,6 +84,12 @@ export class ClustersMenu extends React.Component<Props> {
             label: _i18n._(t`Remove`),
           },
           ok: () => {
+            const wsId = workspaceStore.currentWorkspace.id;
+            const wsLastActiveClusterId = workspaceStore.currentWorkspace.lastActiveClusterId 
+            
+            if (wsLastActiveClusterId === cluster.id) {
+              workspaceStore.setLastActiveClusterId(wsId, "");
+            }
             if (clusterStore.activeClusterId === cluster.id) {
               navigate(landingURL());
             }