feat: add app download

src/module/download/install.ts

@@ -0,0 +1,128 @@
+import path from 'path';
+import fs from 'fs';
+
+type DownloadTask = {
+  downloadPath: string;
+  downloadUrl: string;
+  user: string;
+  key: string;
+  version: string;
+};
+export type Package = {
+  id: string;
+  name?: string;
+  version?: string;
+  description?: string;
+  title?: string;
+  user?: string;
+  key?: string;
+  [key: string]: any;
+};
+type InstallAppOpts = {
+  appDir?: string;
+  kevisualUrl?: string;
+  /**
+   * 是否是客户端, 下载到 assistant-config的下面
+   */
+  isClient?: boolean;
+};
+export const installApp = async (app: Package, opts: InstallAppOpts = {}) => {
+  // const _app = demoData;
+  const { appDir = '', kevisualUrl = 'https://kevisual.cn' } = opts;
+  const _app = app;
+  try {
+    let files = _app.data.files || [];
+    const version = _app.version;
+    const user = _app.user;
+    const key = _app.key;
+
+    const downFiles = files.map((file: any) => {
+      const noVersionPath = file.path.replace(`/${version}`, '');
+      return {
+        ...file,
+        downloadPath: path.join(appDir, noVersionPath),
+        downloadUrl: `${kevisualUrl}/${noVersionPath}`,
+      };
+    });
+    const downloadTasks: DownloadTask[] = downFiles as any;
+    for (const file of downloadTasks) {
+      const downloadPath = file.downloadPath;
+      const downloadUrl = file.downloadUrl;
+      const dir = path.dirname(downloadPath);
+      if (!fs.existsSync(dir)) {
+        fs.mkdirSync(dir, { recursive: true });
+      }
+      const res = await fetch(downloadUrl);
+      const blob = await res.blob();
+      fs.writeFileSync(downloadPath, Buffer.from(await blob.arrayBuffer()));
+    }
+    let indexHtml = files.find((file: any) => file.name === 'index.html');
+    if (!indexHtml) {
+      files.push({
+        name: 'index.html',
+        path: `${user}/${key}/index.html`,
+      });
+      fs.writeFileSync(path.join(appDir, `${user}/${key}/index.html`), JSON.stringify(app, null, 2));
+    }
+    _app.data.files = files;
+    return {
+      code: 200,
+      data: _app,
+      message: 'Install app success',
+    };
+  } catch (error) {
+    console.error(error);
+    return {
+      code: 500,
+      message: 'Install app failed',
+    };
+  }
+};
+export const checkAppDir = (appDir: string) => {
+  const files = fs.readdirSync(appDir);
+  if (files.length === 0) {
+    fs.rmSync(appDir, { recursive: true });
+  }
+};
+export const checkFileExists = (path: string) => {
+  try {
+    fs.accessSync(path);
+    return true;
+  } catch (error) {
+    return false;
+  }
+};
+type UninstallAppOpts = {
+  appDir?: string;
+};
+export const uninstallApp = async (app: Partial<Package>, opts: UninstallAppOpts = {}) => {
+  const { appDir = '' } = opts;
+  try {
+    const { user, key } = app;
+    const keyDir = path.join(appDir, user, key);
+    const parentDir = path.join(appDir, user);
+    if (!checkFileExists(appDir) || !checkFileExists(keyDir)) {
+      return {
+        code: 200,
+        message: 'uninstall app success',
+      };
+    }
+    try {
+      // 删除appDir和文件
+      fs.rmSync(keyDir, { recursive: true });
+    } catch (error) {
+      console.error(error);
+    }
+    checkAppDir(parentDir);
+    return {
+      code: 200,
+      message: 'Uninstall app success',
+    };
+  } catch (error) {
+    console.error(error);
+    return {
+      code: 500,
+      message: 'Uninstall app failed',
+    };
+  }
+};