513 lines
18 KiB
JavaScript
513 lines
18 KiB
JavaScript
/**
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* @file js/storage/storage-adapter.js
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* @description
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* 存储适配器 - 支持 localStorage（前端模式）和 Backend API（后端模式）双模式
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*
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* 使用方式:
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* 1. 前端模式（Vercel/静态/直接打开 index.html）: 使用 localStorage + IndexedDB
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* 2. 后端模式（Docker/自建后端）: 使用 Backend API + 数据库
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*/
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// ---------------- 部署模式与后端探测 ----------------
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// 优先级（高→低）：URL 查询参数 ?mode=backend|frontend → window.ENV_DEPLOYMENT_MODE → 自动探测 /api/health → 默认 frontend
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function getQueryModeOverride() {
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try {
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const p = new URLSearchParams(window.location.search);
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const m = (p.get('mode') || '').toLowerCase();
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if (m === 'backend' || m === 'frontend') return m;
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} catch {}
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return null;
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}
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let DEPLOYMENT_MODE = (getQueryModeOverride() || (window.ENV_DEPLOYMENT_MODE && window.ENV_DEPLOYMENT_MODE !== 'auto'
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? window.ENV_DEPLOYMENT_MODE
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: 'frontend'));
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const API_BASE_URL = window.ENV_API_BASE_URL || '/api';
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async function autoDetectBackendAvailability(timeoutMs = 900) {
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// file:// 明确无后端
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if (window.location.protocol === 'file:') return false;
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// 显式覆盖不探测
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if (getQueryModeOverride() || (window.ENV_DEPLOYMENT_MODE && window.ENV_DEPLOYMENT_MODE !== 'auto')) {
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return DEPLOYMENT_MODE === 'backend';
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}
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try {
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const controller = new AbortController();
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const id = setTimeout(() => controller.abort(), timeoutMs);
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const res = await fetch(`${API_BASE_URL}/health`, { signal: controller.signal, cache: 'no-store' });
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clearTimeout(id);
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return res.ok;
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} catch {
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return false;
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}
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}
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// ---------------- 认证 Token 管理 ----------------
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class AuthManager {
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static getToken() {
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return localStorage.getItem('auth_token');
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}
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static setToken(token) {
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localStorage.setItem('auth_token', token);
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}
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static removeToken() {
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localStorage.removeItem('auth_token');
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}
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static isAuthenticated() {
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return !!this.getToken();
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}
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static getHeaders() {
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const token = this.getToken();
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return token
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? { 'Authorization': `Bearer ${token}`, 'Content-Type': 'application/json' }
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: { 'Content-Type': 'application/json' };
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}
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}
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// ---------------- 后端存储实现 ----------------
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class BackendStorage {
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// 回退到本地存储的方法
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_fallbackTo(method, ...args) {
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const localMethod = window[method];
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if (typeof localMethod === 'function') {
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return localMethod.apply(null, args);
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}
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console.warn(`[BackendStorage] No local fallback for ${method}`);
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return Promise.resolve();
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}
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async fetchAPI(endpoint, options = {}) {
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const response = await fetch(`${API_BASE_URL}${endpoint}`, {
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...options,
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headers: {
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...AuthManager.getHeaders(),
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...options.headers
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}
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});
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if (!response.ok) {
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if (response.status === 401) {
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// Token 过期，清除token
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AuthManager.removeToken();
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}
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throw new Error(`API Error: ${response.status}`);
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}
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return response.json();
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}
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// 用户设置
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async loadSettings() {
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try {
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if (!AuthManager.isAuthenticated()) {
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return this._fallbackTo('loadSettings');
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}
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const data = await this.fetchAPI('/user/settings');
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return data;
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} catch (error) {
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console.error('Failed to load settings from backend:', error);
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return this._fallbackTo('loadSettings');
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}
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}
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async saveSettings(settings) {
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try {
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if (!AuthManager.isAuthenticated()) {
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return this._fallbackTo('saveSettings', settings);
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}
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await this.fetchAPI('/user/settings', {
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method: 'PUT',
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body: JSON.stringify(settings)
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});
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} catch (error) {
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console.error('Failed to save settings to backend:', error);
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return this._fallbackTo('saveSettings', settings);
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}
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}
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// API Keys
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async loadModelKeys(provider) {
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try {
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if (!AuthManager.isAuthenticated()) {
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return this._fallbackTo('loadModelKeys', provider);
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}
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const keys = await this.fetchAPI(`/user/api-keys?provider=${provider}`);
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return keys;
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} catch (error) {
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console.error('Failed to load API keys:', error);
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return this._fallbackTo('loadModelKeys', provider);
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}
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}
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async saveModelKeys(provider, keys) {
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try {
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if (!AuthManager.isAuthenticated()) {
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return this._fallbackTo('saveModelKeys', provider, keys);
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}
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await this.fetchAPI('/user/api-keys', {
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method: 'POST',
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body: JSON.stringify({ provider, keys })
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});
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} catch (error) {
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console.error('Failed to save API keys:', error);
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return this._fallbackTo('saveModelKeys', provider, keys);
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}
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}
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// 文档历史
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async saveResultToDB(document) {
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try {
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if (!AuthManager.isAuthenticated()) {
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return this._fallbackTo('saveResultToDB', document);
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}
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await this.fetchAPI('/documents', { method: 'POST', body: JSON.stringify(document) });
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} catch (error) {
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console.error('Failed to save document to backend, falling back to local:', error);
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return this._fallbackTo('saveResultToDB', document);
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}
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}
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async getAllResultsFromDB() {
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try {
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if (!AuthManager.isAuthenticated()) {
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return this._fallbackTo('getAllResultsFromDB');
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}
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const data = await this.fetchAPI('/documents');
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return data.documents || [];
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} catch (error) {
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console.error('Failed to load documents from backend, falling back to local:', error);
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return this._fallbackTo('getAllResultsFromDB');
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}
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}
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async getResultFromDB(id) {
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try {
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if (!AuthManager.isAuthenticated()) {
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return this._fallbackTo('getResultFromDB', id);
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}
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return await this.fetchAPI(`/documents/${id}`);
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} catch (error) {
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console.error('Failed to load document from backend, falling back to local:', error);
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return this._fallbackTo('getResultFromDB', id);
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}
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}
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async deleteResultFromDB(id) {
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try {
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if (!AuthManager.isAuthenticated()) {
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return this._fallbackTo('deleteResultFromDB', id);
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}
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await this.fetchAPI(`/documents/${id}`, { method: 'DELETE' });
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} catch (error) {
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console.error('Failed to delete document from backend, falling back to local:', error);
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return this._fallbackTo('deleteResultFromDB', id);
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}
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}
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async clearAllResultsFromDB() {
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try {
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if (!AuthManager.isAuthenticated()) {
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return this._fallbackTo('clearAllResultsFromDB');
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}
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// 后端没有批量删除接口，逐个删除
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const docs = await this.getAllResultsFromDB();
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for (const doc of docs) {
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await this.fetchAPI(`/documents/${doc.id}`, { method: 'DELETE' });
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}
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} catch (error) {
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console.error('Failed to clear all documents from backend, falling back to local:', error);
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return this._fallbackTo('clearAllResultsFromDB');
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}
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}
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// 术语库
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async loadGlossarySets() {
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try {
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if (!AuthManager.isAuthenticated()) {
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return this._fallbackTo('loadGlossarySets');
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}
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const glossaries = await this.fetchAPI('/user/glossaries');
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const sets = {};
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glossaries.forEach(g => { sets[g.id] = g; });
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return sets;
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} catch (error) {
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console.error('Failed to load glossaries:', error);
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return this._fallbackTo('loadGlossarySets');
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}
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}
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async saveGlossarySets(sets) {
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try {
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if (!AuthManager.isAuthenticated()) {
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return this._fallbackTo('saveGlossarySets', sets);
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}
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// 批量保存（简化实现）
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for (const [id, set] of Object.entries(sets)) {
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if (set._isNew) {
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await this.fetchAPI('/user/glossaries', { method: 'POST', body: JSON.stringify(set) });
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} else {
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await this.fetchAPI(`/user/glossaries/${id}`, { method: 'PUT', body: JSON.stringify(set) });
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}
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}
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} catch (error) {
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console.error('Failed to save glossaries:', error);
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return this._fallbackTo('saveGlossarySets', sets);
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}
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}
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// 标注
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async saveAnnotationToDB(annotation) {
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try {
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if (!AuthManager.isAuthenticated()) {
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return this._fallbackTo('saveAnnotationToDB', annotation);
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}
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await this.fetchAPI(`/documents/${annotation.documentId}/annotations`, { method: 'POST', body: JSON.stringify(annotation) });
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} catch (error) {
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console.error('Failed to save annotation:', error);
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return this._fallbackTo('saveAnnotationToDB', annotation);
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}
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}
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async getAnnotationsForDocFromDB(docId) {
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try {
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if (!AuthManager.isAuthenticated()) {
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return this._fallbackTo('getAnnotationsForDocFromDB', docId);
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}
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return await this.fetchAPI(`/documents/${docId}/annotations`);
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} catch (error) {
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console.error('Failed to load annotations:', error);
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return this._fallbackTo('getAnnotationsForDocFromDB', docId);
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}
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}
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// 聊天历史
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async loadChatHistory(docId) {
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try {
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if (!AuthManager.isAuthenticated()) {
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// 聊天历史在本地存储中没有对应方法，返回空数组
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return [];
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}
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const data = await this.fetchAPI(`/chat/${docId}/history`);
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return data.messages || [];
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} catch (error) {
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console.error('Failed to load chat history:', error);
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return [];
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}
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}
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async saveChatMessage(docId, message) {
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try {
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if (!AuthManager.isAuthenticated()) {
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// 聊天历史在本地存储中没有对应方法
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return;
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}
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await this.fetchAPI(`/chat/${docId}/history`, {
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method: 'POST',
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body: JSON.stringify(message)
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});
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} catch (error) {
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console.error('Failed to save chat message:', error);
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}
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}
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async clearChatHistory(docId) {
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try {
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if (!AuthManager.isAuthenticated()) {
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return;
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}
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await this.fetchAPI(`/chat/${docId}/history`, { method: 'DELETE' });
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} catch (error) {
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console.error('Failed to clear chat history:', error);
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}
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}
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// 文献引用
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async loadReferences(docId) {
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try {
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if (!AuthManager.isAuthenticated()) {
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return this._fallbackTo('loadReferences', docId) || [];
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}
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return await this.fetchAPI(`/references/${docId}/references`);
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} catch (error) {
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console.error('Failed to load references:', error);
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return this._fallbackTo('loadReferences', docId) || [];
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}
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}
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async saveReference(docId, reference) {
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try {
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if (!AuthManager.isAuthenticated()) {
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return this._fallbackTo('saveReference', docId, reference);
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}
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await this.fetchAPI(`/references/${docId}/references`, {
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method: 'POST',
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body: JSON.stringify(reference)
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});
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} catch (error) {
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console.error('Failed to save reference:', error);
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return this._fallbackTo('saveReference', docId, reference);
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}
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}
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async deleteReference(docId, refId) {
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try {
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if (!AuthManager.isAuthenticated()) {
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return this._fallbackTo('deleteReference', docId, refId);
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}
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await this.fetchAPI(`/references/${docId}/references/${refId}`, { method: 'DELETE' });
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} catch (error) {
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console.error('Failed to delete reference:', error);
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return this._fallbackTo('deleteReference', docId, refId);
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}
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}
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// Prompt Pool
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async loadPromptPool() {
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try {
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if (!AuthManager.isAuthenticated()) {
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return this._fallbackTo('loadPromptPool');
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}
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return await this.fetchAPI('/prompt-pool');
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} catch (error) {
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console.error('Failed to load prompt pool:', error);
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return this._fallbackTo('loadPromptPool');
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}
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}
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async savePromptPool(data) {
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try {
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if (!AuthManager.isAuthenticated()) {
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return this._fallbackTo('savePromptPool', data);
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}
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await this.fetchAPI('/prompt-pool', {
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method: 'PUT',
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body: JSON.stringify(data)
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});
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} catch (error) {
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console.error('Failed to save prompt pool:', error);
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return this._fallbackTo('savePromptPool', data);
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}
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}
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_getDefaultSettings() {
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return {
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maxTokensPerChunk: 2000,
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skipProcessedFiles: false,
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selectedTranslationModel: 'none',
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concurrencyLevel: 1,
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translationConcurrencyLevel: 15,
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targetLanguage: 'chinese',
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customTargetLanguageName: '',
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enableGlossary: false,
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batchModeEnabled: false,
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batchModeTemplate: '{original_name}_{output_language}_{processing_time:YYYYMMDD-HHmmss}.{original_type}',
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batchModeFormats: ['original', 'markdown'],
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batchModeZipEnabled: false
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};
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}
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}
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// ---------------- 存储适配器工厂 ----------------
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class StorageAdapterFactory {
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static create(mode) {
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if (mode === 'backend') {
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console.log('[Storage] Using Backend Storage Mode');
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const instance = new BackendStorage();
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instance.isFrontendMode = false; // 供其他模块探测
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return instance;
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}
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console.log('[Storage] Using Local Storage Mode');
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// 返回 storage.js 中的函数包装（保持现有调用不变）
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const adapter = {
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loadSettings: window.loadSettings,
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saveSettings: window.saveSettings,
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loadModelKeys: window.loadModelKeys,
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saveModelKeys: window.saveModelKeys,
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saveResultToDB: window.saveResultToDB,
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getAllResultsFromDB: window.getAllResultsFromDB,
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getResultFromDB: window.getResultFromDB,
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deleteResultFromDB: window.deleteResultFromDB,
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clearAllResultsFromDB: window.clearAllResultsFromDB,
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loadGlossarySets: window.loadGlossarySets,
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saveGlossarySets: window.saveGlossarySets,
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saveAnnotationToDB: window.saveAnnotationToDB,
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getAnnotationsForDocFromDB: window.getAnnotationsForDocFromDB,
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updateAnnotationInDB: window.updateAnnotationInDB,
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deleteAnnotationFromDB: window.deleteAnnotationFromDB,
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loadProcessedFilesRecord: window.loadProcessedFilesRecord,
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saveProcessedFilesRecord: window.saveProcessedFilesRecord,
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// Prompt Pool（前端模式：落地到 localStorage，键与 process/prompt-pool.js 一致）
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loadPromptPool: async function () {
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try {
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const prompts = JSON.parse(localStorage.getItem('paperBurnerPromptPool') || '[]');
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const healthConfig = JSON.parse(localStorage.getItem('paperBurnerPromptHealthConfig') || 'null');
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return { prompts, healthConfig };
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} catch (e) {
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console.warn('[StorageAdapter] loadPromptPool(local) 失败，返回空集合:', e);
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return { prompts: [], healthConfig: null };
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}
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},
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savePromptPool: async function (data) {
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try {
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if (!data || typeof data !== 'object') return;
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if (Array.isArray(data.prompts)) {
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localStorage.setItem('paperBurnerPromptPool', JSON.stringify(data.prompts));
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}
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if (data.healthConfig) {
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localStorage.setItem('paperBurnerPromptHealthConfig', JSON.stringify(data.healthConfig));
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}
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} catch (e) {
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console.warn('[StorageAdapter] savePromptPool(local) 失败:', e);
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}
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}
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};
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adapter.isFrontendMode = true; // 供其他模块探测
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return adapter;
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}
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}
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// ---------------- 初始化与自动切换 ----------------
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function printBanner() {
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const infoStyle = 'font-size: 14px; color: #10b981;';
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const modeStyle = 'font-size: 14px; font-weight: bold; color: #f59e0b;';
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const borderStyle = 'color: #6366f1;';
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const linkStyle = 'font-size: 13px; color: #06b6d4; text-decoration: underline;';
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const mode = DEPLOYMENT_MODE === 'backend' ? '后端模式 (Backend Mode)' : '前端模式 (Frontend Mode)';
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const storage = DEPLOYMENT_MODE === 'backend' ? 'Backend API + PostgreSQL' : 'localStorage + IndexedDB';
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const auth = DEPLOYMENT_MODE === 'backend' ? 'JWT Authentication' : 'No Authentication';
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console.log('%c╔════════════════════════════════════════════════════════════╗', borderStyle);
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console.log('%c║ 系统信息 / System Info ║', borderStyle);
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console.log('%c╠════════════════════════════════════════════════════════════╣', borderStyle);
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console.log('%c║ %c运行模式: ' + mode + ' %c║', borderStyle, modeStyle, borderStyle);
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console.log('%c║ %c存储方式: ' + storage + ' %c║', borderStyle, infoStyle, borderStyle);
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console.log('%c║ %c认证方式: ' + auth + ' %c║', borderStyle, infoStyle, borderStyle);
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console.log('%c╚════════════════════════════════════════════════════════════╝', borderStyle);
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console.log('%c\n🚀 Paper Burner X 已就绪！Ready to burn papers!\n', 'font-size: 14px; color: #8b5cf6; font-weight: bold;');
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console.log('%c→ GitHub: %chttps://github.com/Feather-2/paper-burner-x', 'font-size: 13px; color: #64748b;', linkStyle);
|
||
}
|
||
|
||
// 初始实例（默认前端/显式覆盖），随后可能自动切换为 backend
|
||
window.storageAdapter = StorageAdapterFactory.create(DEPLOYMENT_MODE);
|
||
window.AuthManager = AuthManager;
|
||
window.DEPLOYMENT_MODE = DEPLOYMENT_MODE;
|
||
printBanner();
|
||
|
||
// 自动探测，有后端则无缝切换（不阻塞静态模式渲染）
|
||
autoDetectBackendAvailability().then((hasBackend) => {
|
||
if (hasBackend && DEPLOYMENT_MODE !== 'backend') {
|
||
DEPLOYMENT_MODE = 'backend';
|
||
window.DEPLOYMENT_MODE = DEPLOYMENT_MODE;
|
||
window.storageAdapter = StorageAdapterFactory.create('backend');
|
||
try { window.dispatchEvent(new CustomEvent('pb:storage-mode-changed', { detail: { mode: 'backend' } })); } catch {}
|
||
console.log('[Storage] Auto-switched to Backend mode (health check passed)');
|
||
}
|
||
}).catch(() => {/* ignore */});
|