Add status command (#145)

* Show vault status.

The status is shown as 'unauthenticated', 'locked', or 'unlocked'.

* Add more status command fields.

Added `serverUrl`, `lastSync`, `userEmail`, and `userId`.

* Add status help text.

src/commands/status.command.ts

@@ -0,0 +1,56 @@
+import * as program from 'commander';
+
+import { EnvironmentService, SyncService, UserService, VaultTimeoutService } from 'jslib/abstractions';
+import { Response } from 'jslib/cli/models/response';
+import { TemplateResponse } from '../models/response/templateResponse';
+
+export class StatusCommand {
+    constructor(
+        private envService: EnvironmentService,
+        private syncService: SyncService,
+        private userService: UserService,
+        private vaultTimeoutService: VaultTimeoutService) {
+    }
+
+    async run(cmd: program.Command): Promise<Response> {
+        try {
+            const baseUrl = this.baseUrl();
+            const status = await this.status();
+            const lastSync = await this.syncService.getLastSync();
+            const userId = await this.userService.getUserId();
+            const email = await this.userService.getEmail();
+
+            return Response.success(new TemplateResponse({
+                serverUrl: baseUrl,
+                lastSync: lastSync,
+                userEmail: email,
+                userId: userId,
+                status: status,
+            }));
+        } catch (e) {
+            return Response.error(e);
+        }
+    }
+
+    private baseUrl(): string {
+        let url = this.envService.baseUrl;
+        if (url == null) {
+            url = 'https://bitwarden.com';
+        }
+        return url;
+    }
+
+    private async status(): Promise<string> {
+        const isAuthed = await this.userService.isAuthenticated();
+        if (!isAuthed) {
+            return 'unauthenticated';
+        }
+
+        const isLocked = await this.vaultTimeoutService.isLocked();
+        if (isLocked) {
+            return 'locked';
+        } else {
+            return 'unlocked';
+        }
+    }
+}