✨ feat: 实现配置导出功能

src/features/SideBar/BottomAction.tsx

@@ -13,11 +13,14 @@ import Router from 'next/router';
 import { ReactNode, memo, useMemo } from 'react';
 import { useTranslation } from 'react-i18next';
 
+import { useExportConfig } from '@/hooks/useExportConfig';
+
 import pkg from '../../../package.json';
 
 const BottomAction = memo<{ children: ReactNode }>(({ children }) => {
   const { t } = useTranslation('common');
 
+  const { exportSessions, exportSettings, exportAll, exportAgents } = useExportConfig();
   const items: MenuProps['items'] = useMemo(
     () => [
       {
@@ -30,14 +33,17 @@ const BottomAction = memo<{ children: ReactNode }>(({ children }) => {
           {
             key: 'allAgent',
             label: <div>{t('exportType.allAgent')}</div>,
+            onClick: exportAgents,
           },
           {
             key: 'allAgentWithMessage',
             label: <div>{t('exportType.allAgentWithMessage')}</div>,
+            onClick: exportSessions,
           },
           {
             key: 'globalSetting',
             label: <div>{t('exportType.globalSetting')}</div>,
+            onClick: exportSettings,
           },
           {
             type: 'divider',
@@ -45,6 +51,7 @@ const BottomAction = memo<{ children: ReactNode }>(({ children }) => {
           {
             key: 'all',
             label: <div>{t('exportType.all')}</div>,
+            onClick: exportAll,
           },
         ],
         icon: <Icon icon={FolderOutput} />,

src/hooks/useExportConfig.ts

@@ -0,0 +1,69 @@
+import { transform } from 'lodash-es';
+import { useMemo } from 'react';
+import { shallow } from 'zustand/shallow';
+
+import { Migration } from '@/migrations';
+import { useSessionStore } from '@/store/session';
+import { useSettings } from '@/store/settings';
+import {
+  ConfigFileAgents,
+  ConfigFileAll,
+  ConfigFileSessions,
+  ConfigFileSettings,
+} from '@/types/exportConfig';
+import { exportConfigFile } from '@/utils/config';
+
+export const useExportConfig = () => {
+  const [sessions] = useSessionStore((s) => [s.sessions], shallow);
+
+  const [settings] = useSettings((s) => [s.settings, s.importSettings], shallow);
+
+  const exportAgents = () => {
+    const config: ConfigFileAgents = {
+      exportType: 'agents',
+      state: {
+        sessions: transform(sessions, (result, value, key) => {
+          result[key] = { ...value, chats: {}, topics: {} };
+        }),
+      },
+      version: Migration.targetVersion,
+    };
+
+    exportConfigFile(config, 'agents');
+  };
+
+  const exportSessions = () => {
+    const config: ConfigFileSessions = {
+      exportType: 'sessions',
+      state: { sessions },
+      version: Migration.targetVersion,
+    };
+
+    exportConfigFile(config, 'sessions');
+  };
+
+  const exportSettings = () => {
+    const config: ConfigFileSettings = {
+      exportType: 'settings',
+      state: { settings },
+      version: Migration.targetVersion,
+    };
+
+    exportConfigFile(config, 'settings');
+  };
+
+  const exportAll = () => {
+    // 将 入参转换为 配置文件格式
+    const config: ConfigFileAll = {
+      exportType: 'all',
+      state: { sessions, settings },
+      version: Migration.targetVersion,
+    };
+    exportConfigFile(config, 'config');
+  };
+
+  return useMemo(
+    () => ({ exportAgents, exportAll, exportSessions, exportSettings }),
+    [sessions, settings],
+  );
+};

src/types/exportConfig.ts

@@ -6,10 +6,36 @@ export interface ConfigState {
   settings: GlobalSettings;
 }
 
-export interface ConfigFile {
-  state: ConfigState;
-  /**
-   * 配置文件的版本号
-   */
+export interface SettingsConfigState {
+  settings: GlobalSettings;
+}
+export interface SessionsConfigState {
+  sessions: LobeSessions;
+}
+
+export type ExportType = 'agents' | 'sessions' | 'settings' | 'all';
+
+export type ConfigFile = ConfigFileSettings | ConfigFileSessions | ConfigFileAll | ConfigFileAgents;
+
+export interface ConfigFileSettings {
+  exportType: 'settings';
+  state: SettingsConfigState;
+  version: number;
+}
+export interface ConfigFileSessions {
+  exportType: 'sessions';
+  state: SessionsConfigState;
+  version: number;
+}
+
+export interface ConfigFileAgents {
+  exportType: 'agents';
+  state: SessionsConfigState;
+  version: number;
+}
+
+export interface ConfigFileAll {
+  exportType: 'all';
+  state: ConfigState;
   version: number;
 }

src/utils/config.ts

@@ -0,0 +1,49 @@
+import { notification } from 'antd';
+
+import { CURRENT_CONFIG_VERSION, Migration } from '@/migrations';
+import { ConfigState } from '@/types/exportConfig';
+
+export const exportConfigFile = (config: object, fileName?: string) => {
+  const file = `LobeChat-${fileName || '-config'}-v${CURRENT_CONFIG_VERSION}.json`;
+
+  // 创建一个 Blob 对象
+  const blob = new Blob([JSON.stringify(config)], { type: 'application/json' });
+
+  // 创建一个 URL 对象，用于下载
+  const url = URL.createObjectURL(blob);
+
+  // 创建一个 <a> 元素，设置下载链接和文件名
+  const a = document.createElement('a');
+  a.href = url;
+  a.download = file;
+
+  // 触发 <a> 元素的点击事件，开始下载
+  document.body.append(a);
+  a.click();
+
+  // 下载完成后，清除 URL 对象
+  URL.revokeObjectURL(url);
+  a.remove();
+};
+
+export const handleImport = (info: any, onConfigImport: (config: ConfigState) => void) => {
+  const reader = new FileReader();
+  //读取完文件之后的回调函数
+  reader.onloadend = function (evt) {
+    const fileString = evt.target?.result;
+    const fileJson = fileString as string;
+
+    try {
+      const { state } = Migration.migrate(JSON.parse(fileJson));
+
+      onConfigImport(state);
+    } catch (error) {
+      notification.error({
+        description: `出错原因: ${(error as Error).message}`,
+        message: '导入失败',
+      });
+    }
+  };
+  //@ts-ignore file 类型不明确
+  reader.readAsText(info.file.originFileObj, 'utf8');
+};