import { SystemConfig } from '../types/index.js';
import { JsonFileBaseDao } from './base/JsonFileBaseDao.js';
/**
* System Configuration DAO interface
*/
export interface SystemConfigDao {
/**
* Get system configuration
*/
get(): Promise<SystemConfig>;
/**
* Update system configuration
*/
update(config: Partial<SystemConfig>): Promise<SystemConfig>;
/**
* Reset system configuration to defaults
*/
reset(): Promise<SystemConfig>;
/**
* Get specific configuration section
*/
getSection<K extends keyof SystemConfig>(section: K): Promise<SystemConfig[K] | undefined>;
/**
* Update specific configuration section
*/
updateSection<K extends keyof SystemConfig>(section: K, value: SystemConfig[K]): Promise<boolean>;
}
/**
* JSON file-based System Configuration DAO implementation
*/
export class SystemConfigDaoImpl extends JsonFileBaseDao implements SystemConfigDao {
async get(): Promise<SystemConfig> {
const settings = await this.loadSettings();
return settings.systemConfig || {};
}
async update(config: Partial<SystemConfig>): Promise<SystemConfig> {
const settings = await this.loadSettings();
const currentConfig = settings.systemConfig || {};
// Deep merge configuration
const updatedConfig = this.deepMerge(currentConfig, config);
settings.systemConfig = updatedConfig;
await this.saveSettings(settings);
return updatedConfig;
}
async reset(): Promise<SystemConfig> {
const settings = await this.loadSettings();
const defaultConfig: SystemConfig = {};
settings.systemConfig = defaultConfig;
await this.saveSettings(settings);
return defaultConfig;
}
async getSection<K extends keyof SystemConfig>(section: K): Promise<SystemConfig[K] | undefined> {
const config = await this.get();
return config[section];
}
async updateSection<K extends keyof SystemConfig>(
section: K,
value: SystemConfig[K],
): Promise<boolean> {
try {
await this.update({ [section]: value } as Partial<SystemConfig>);
return true;
} catch {
return false;
}
}
/**
* Deep merge two objects
*/
private deepMerge(target: any, source: any): any {
const result = { ...target };
for (const key in source) {
if (source[key] && typeof source[key] === 'object' && !Array.isArray(source[key])) {
result[key] = this.deepMerge(target[key] || {}, source[key]);
} else {
result[key] = source[key];
}
}
return result;
}
}
