zsjz-ai/ai-electron/electron/service/setting/localSettings.js

'use strict';

import { getDataDir } from 'ee-core/ps';
import { logger } from 'ee-core/log';
import path from 'node:path';
import fs from 'node:fs';

/**
 * 本机（客户端）设置：落盘在应用数据目录下的 local-settings.json。
 *
 * <p>与后端 {@code QingJian/conf/c5e503ad.json} 无关：这些是「这台机器上的客户端」的偏好，
 * 例如离线地图目录 —— 后端可能部署在别的机器上，服务端路径对客户端没有意义。
 */
class LocalSettingsService {
  get filePath() {
    return path.join(getDataDir(), 'local-settings.json');
  }

  readAll() {
    try {
      const file = this.filePath;
      if (!fs.existsSync(file)) return {};
      const parsed = JSON.parse(fs.readFileSync(file, 'utf8'));
      return parsed && typeof parsed === 'object' && !Array.isArray(parsed) ? parsed : {};
    } catch (e) {
      logger.warn('[localSettings] 读取失败:', e instanceof Error ? e.message : String(e));
      return {};
    }
  }

  /** 读一个字符串设置；没有或类型不对返回空串 */
  get(key) {
    const value = this.readAll()[key];
    return typeof value === 'string' ? value : '';
  }

  /** 写一个设置；传空则删除该键 */
  set(key, value) {
    const all = this.readAll();
    const text = typeof value === 'string' ? value.trim() : '';
    if (text) {
      all[key] = text;
    } else {
      delete all[key];
    }
    const file = this.filePath;
    fs.mkdirSync(path.dirname(file), { recursive: true });
    fs.writeFileSync(file, `${JSON.stringify(all, null, 2)}\n`, 'utf8');
    return text;
  }
}

export const localSettingsService = new LocalSettingsService();