135 lines
4.4 KiB
JavaScript
135 lines
4.4 KiB
JavaScript
/**
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* 项目导出/导入 — 将所有 localStorage 数据打包为 JSON 文件
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* 支持：章节、设定集、API 配置、聊天会话
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*/
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const PROJECT_FILE_VERSION = 1;
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// 需要导出的所有 localStorage keys
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const STORAGE_KEYS = {
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chapters: 'author-chapters',
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settings: 'author-project-settings',
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settingsNodes: 'author-settings-nodes',
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activeWork: 'author-active-work',
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chatSessions: 'author-chat-sessions',
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};
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// 章节摘要前缀
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const SUMMARY_PREFIX = 'author-chapter-summary-';
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/**
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* 导出整个项目为 JSON 文件并下载
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*/
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export function exportProject() {
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if (typeof window === 'undefined') return;
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const data = {
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_version: PROJECT_FILE_VERSION,
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_exportedAt: new Date().toISOString(),
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_app: 'Author',
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};
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// 收集所有主要数据
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for (const [key, storageKey] of Object.entries(STORAGE_KEYS)) {
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try {
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const raw = localStorage.getItem(storageKey);
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data[key] = raw ? JSON.parse(raw) : null;
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} catch {
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data[key] = null;
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}
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}
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// 收集章节摘要
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const summaries = {};
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for (let i = 0; i < localStorage.length; i++) {
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const k = localStorage.key(i);
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if (k?.startsWith(SUMMARY_PREFIX)) {
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const chapterId = k.slice(SUMMARY_PREFIX.length);
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summaries[chapterId] = localStorage.getItem(k);
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}
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}
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data.chapterSummaries = summaries;
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// 生成文件名
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const now = new Date();
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const dateStr = `${now.getFullYear()}${String(now.getMonth() + 1).padStart(2, '0')}${String(now.getDate()).padStart(2, '0')}_${String(now.getHours()).padStart(2, '0')}${String(now.getMinutes()).padStart(2, '0')}`;
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const fileName = `Author_存档_${dateStr}.json`;
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// 下载
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const blob = new Blob([JSON.stringify(data, null, 2)], { type: 'application/json;charset=utf-8' });
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const url = URL.createObjectURL(blob);
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const a = document.createElement('a');
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a.href = url;
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a.download = fileName;
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document.body.appendChild(a);
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a.click();
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document.body.removeChild(a);
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URL.revokeObjectURL(url);
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return fileName;
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}
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/**
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* 从 JSON 文件导入项目数据
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* @param {File} file - 用户选择的 JSON 文件
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* @returns {Promise<{ success: boolean, message: string }>}
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*/
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export async function importProject(file) {
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if (typeof window === 'undefined') return { success: false, message: '环境不支持' };
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try {
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const text = await file.text();
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const data = JSON.parse(text);
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// 基本校验
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if (!data._app || data._app !== 'Author') {
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return { success: false, message: '文件格式不正确，不是 Author 存档文件' };
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}
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// 恢复主要数据
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for (const [key, storageKey] of Object.entries(STORAGE_KEYS)) {
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if (data[key] !== undefined && data[key] !== null) {
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localStorage.setItem(storageKey, JSON.stringify(data[key]));
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}
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}
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// 恢复章节摘要
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if (data.chapterSummaries && typeof data.chapterSummaries === 'object') {
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for (const [chapterId, summary] of Object.entries(data.chapterSummaries)) {
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if (summary) {
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localStorage.setItem(SUMMARY_PREFIX + chapterId, summary);
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}
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}
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}
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return { success: true, message: `成功导入存档（导出时间：${data._exportedAt || '未知'}）` };
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} catch (err) {
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return { success: false, message: `导入失败：${err.message}` };
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}
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}
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/**
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* 获取当前项目数据的概要信息（用于显示）
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*/
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export function getProjectSummary() {
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if (typeof window === 'undefined') return null;
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try {
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const chaptersRaw = localStorage.getItem(STORAGE_KEYS.chapters);
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const chapters = chaptersRaw ? JSON.parse(chaptersRaw) : [];
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const nodesRaw = localStorage.getItem(STORAGE_KEYS.settingsNodes);
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const nodes = nodesRaw ? JSON.parse(nodesRaw) : [];
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const sessionsRaw = localStorage.getItem(STORAGE_KEYS.chatSessions);
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const sessions = sessionsRaw ? JSON.parse(sessionsRaw) : {};
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return {
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chapterCount: chapters.length,
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settingsNodeCount: nodes.length,
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sessionCount: Object.keys(sessions.sessions || {}).length,
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totalChars: chapters.reduce((sum, ch) => sum + (ch.content?.length || 0), 0),
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};
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} catch {
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return null;
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}
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}
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