src/analytics/info.ts

// Copyright 2024 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

// Manages information needed by analytics (e.g. UUID, OS and arch)

import * as vscode from 'vscode';
import * as os from 'os';
import * as PersistentStatus from './persistent_status';

import { isInternalUser } from './internal';

export class AnalyticsInfo {
  private static instanceInternal: AnalyticsInfo;

  private uuidInternal?: string;
  private isRunInProductionModeInternal = false;
  private extensionVersionInternal?: string;
  private osInternal?: string;
  private archInternal?: string;
  private isInternalUserInternal = false;

  private constructor() {
    // Singleton
  }

  private static get instance() {
    if (!AnalyticsInfo.instanceInternal) {
      AnalyticsInfo.instanceInternal = new AnalyticsInfo();
    }

    return AnalyticsInfo.instanceInternal;
  }

  /* Exposed info */
  static get uuid() {
    return AnalyticsInfo.instance.uuidInternal;
  }

  static get isRunInProductionMode() {
    return AnalyticsInfo.instance.isRunInProductionModeInternal;
  }

  static get extensionVersion() {
    return AnalyticsInfo.instance.extensionVersionInternal;
  }

  static get os() {
    return AnalyticsInfo.instance.osInternal;
  }

  static get arch() {
    return AnalyticsInfo.instance.archInternal;
  }

  static get isInternalUser() {
    return AnalyticsInfo.instance.isInternalUserInternal;
  }

  static init(context: vscode.ExtensionContext): void {
    AnalyticsInfo.instance.initInternal(context);
  }

  private initInternal(context: vscode.ExtensionContext): void {
    const packageJson = context.extension.packageJSON as { version: string };
    this.extensionVersionInternal = packageJson.version;
    this.osInternal = os.type();
    this.archInternal = os.machine();
    this.isRunInProductionModeInternal =
      (context.extensionMode === vscode.ExtensionMode.Production);
    this.isInternalUserInternal = isInternalUser();
  }

  static async readUuid(): Promise<void> {
    AnalyticsInfo.instance.uuidInternal = await PersistentStatus.getUuid();
  }
}