From 40d411e516efee5531404725b45ab89d97172ce8 Mon Sep 17 00:00:00 2001
From: Vitaly Takmazov
Date: Fri, 28 Oct 2022 00:14:01 +0300
Subject: Initial SSR

---
 vnext/server/bootstrap.js           | 11 +++++++++
 vnext/server/index.js               | 32 +++++++++++++++++++++++++
 vnext/server/middleware/renderer.js | 48 +++++++++++++++++++++++++++++++++++++
 vnext/server/sape.js                | 38 +++++++++++++++++++++++++++++
 4 files changed, 129 insertions(+)
 create mode 100644 vnext/server/bootstrap.js
 create mode 100644 vnext/server/index.js
 create mode 100644 vnext/server/middleware/renderer.js
 create mode 100644 vnext/server/sape.js

(limited to 'vnext/server')

diff --git a/vnext/server/bootstrap.js b/vnext/server/bootstrap.js
new file mode 100644
index 00000000..0f920886
--- /dev/null
+++ b/vnext/server/bootstrap.js
@@ -0,0 +1,11 @@
+require('ignore-styles');
+require('url-loader');
+require('file-loader');
+require('@babel/register')({
+    ignore: [/(node_modules)/],
+    presets: [
+        '@babel/preset-env',
+        ['@babel/preset-react', { 'runtime': 'automatic' }]
+    ]
+});
+require('./index');
diff --git a/vnext/server/index.js b/vnext/server/index.js
new file mode 100644
index 00000000..2b696977
--- /dev/null
+++ b/vnext/server/index.js
@@ -0,0 +1,32 @@
+import express from 'express';
+
+// we'll talk about this in a minute:
+import serverRenderer from './middleware/renderer';
+
+const PORT = 3000;
+const path = require('path');
+
+// initialize the application and create the routes
+const app = express();
+const router = express.Router();
+
+router.use('^/$', serverRenderer);
+
+// other static resources should just be served as they are
+router.use(express.static(
+    path.resolve(__dirname, '..', 'dist'),
+    { maxAge: '30d' },
+));
+
+router.use('*', serverRenderer);
+
+app.use(router);
+
+// start the app
+app.listen(PORT, (error) => {
+    if (error) {
+        return console.log('something bad happened', error);
+    }
+
+    console.log('listening on ' + PORT + '...');
+});
diff --git a/vnext/server/middleware/renderer.js b/vnext/server/middleware/renderer.js
new file mode 100644
index 00000000..8edb5f57
--- /dev/null
+++ b/vnext/server/middleware/renderer.js
@@ -0,0 +1,48 @@
+import ReactDOMServer from 'react-dom/server';
+import cookie from 'cookie';
+
+// import our main App component
+import App from '../../src/App';
+
+import { getLinks } from '../sape';
+import { StaticRouter } from 'react-router-dom';
+
+const path = require('path');
+const fs = require('fs');
+
+const serverRenderer = async (req, res, next) => {
+
+    // point to the html file created by CRA's build tool
+    const filePath = path.resolve(__dirname, '..', '..', 'dist', 'index.html');
+
+    // links
+    const cookies = cookie.parse(req.headers.cookie || '');
+
+    const links = await getLinks(req.originalUrl, cookies['sape_cookie']);
+    console.log(`URL: ${req.originalUrl} LINKS: ${links.join(' ')}`);
+    fs.readFile(filePath, 'utf8', (err, htmlData) => {
+        if (err) {
+            console.error('err', err);
+            return res.status(404).end();
+        }
+
+        const routerContext = {};
+
+        // render the app as a string
+        const html = ReactDOMServer.renderToString(
+            <StaticRouter location={req.baseUrl} context={routerContext}>
+                <App footer={links.join(' ')}/>
+            </StaticRouter>
+        );
+
+        // inject the rendered app into our html and send it
+        return res.send(
+            htmlData.replace(
+                '<div id="app"></div>',
+                `<div id="app">${html}</div>`
+            )
+        );
+    });
+};
+
+export default serverRenderer;
diff --git a/vnext/server/sape.js b/vnext/server/sape.js
new file mode 100644
index 00000000..d8c9e2ed
--- /dev/null
+++ b/vnext/server/sape.js
@@ -0,0 +1,38 @@
+import { parseStringPromise } from 'xml2js';
+import axios from 'axios';
+import { setupCache } from 'axios-cache-interceptor';
+
+const token = process.env.SAPE_TOKEN;
+
+/** @external Promise */
+
+/**
+ * @param { string } uri
+ * @param { string } sapeCookie
+ * @returns { Promise<string[]>} links
+ */
+export const getLinks = async (uri, sapeCookie) => {
+    if (!token) {
+        console.warn('Sape is not configured');
+        return [];
+    }
+    const response = await sape.get(`http://dispencer-01.sape.ru/code.php?user=${token}&host=juick.com&charset=UTF-8&as_xml=true`);
+    const data = await parseStringPromise(response.data);
+    const showCode = token === sapeCookie;
+    const requestURI = showCode ? '*' : uri;
+    const page = data.sape.page.filter(page => {
+        const uri = page['$']['uri'];
+        return uri === requestURI;
+    });
+    return page.length > 0 ? showCode ? [page[0]._] : page[0].link : [];
+};
+
+/** @type { import('axios-cache-interceptor').AxiosCacheInstance } */
+let sape = setupCache(
+    axios.create({
+        headers: {
+            'User-Agent': 'SAPE_Client PHP 1.0.3'
+        }
+    }),
+    { ttl: 3600 * 1000 }
+);
-- 
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