songquanpeng
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+.idea
+node_modules
+.vs
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+## Notice
++ This is a toy project that attemps to provide online editing service
++ The project urgently needs refactoring
+
+## Screenshot
+![online_code_editor_screenshot](annex/online_code_editor_screenshot.png)
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+'use strict';
+const debug = require('debug');
+const express = require('express');
+const path = require('path');
+const favicon = require('serve-favicon');
+const logger = require('morgan');
+const cookieParser = require('cookie-parser');
+const bodyParser = require('body-parser');
+const fs = require('fs');
+
+const routes = require('./routes/index');
+const users = require('./routes/users');
+
+const app = express();
+
+
+app.use(logger('dev'));
+app.use(bodyParser.json());
+app.use(bodyParser.urlencoded({extended: false}));
+app.use(cookieParser());
+app.use(express.static(path.join(__dirname, 'public')));
+
+
+app.get("/existingFile", function (req, res) {
+    var responceText = '';
+    const targetDir = process.cwd() + '/public/data';
+    console.log("Taregt dir: " + targetDir);
+    fs.readdir(targetDir, (err, files) => {
+        files.forEach(file => {
+            const temp = file + '\n';
+            responceText += temp;
+        });
+        res.send(responceText);
+    });
+});
+
+
+app.post('/getFile', function (req, res) {
+    const targetDir = process.cwd() + '/public/data/';
+    const targetFile = targetDir + req.body.filename;
+    fs.readFile(targetFile, 'utf-8', function (err, data) {
+        if (err) {
+        } else {
+            res.send(data);
+        }
+    })
+});
+
+
+app.use('/', routes);
+app.use('/users', users);
+
+// catch 404 and forward to error handler
+app.use(function (req, res, next) {
+    const err = new Error('Not Found');
+    err.status = 404;
+    next(err);
+});
+
+if (app.get('env') === 'development') {
+    app.use(function (err, req, res, next) {
+        res.status(err.status || 500);
+        res.render('error', {
+            message: err.message,
+            error: err
+        });
+    });
+}
+
+
+app.use(function (err, req, res, next) {
+    res.status(err.status || 500);
+    res.render('error', {
+        message: err.message,
+        error: {}
+    });
+});
+
+
+app.set('port', process.env.PORT || 3001);
+
+
+const server = app.listen(app.get('port'), function () {
+    debug('Express server listening on port ' + server.address().port);
+});
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+<!DOCTYPE html>
+<html>
+<head>
+    <meta charset="utf-8">
+    <title>Sublime Text 3</title>
+    <link rel="stylesheet" href="stylesheets/code_editor.css" type="text/css" />
+    <!--<link rel="icon" href="images/sublimetext.svg" type="image/svg" />-->
+    <link rel="icon" href="images/sublimetext.ico" type="image/x-icon" />
+    <script src="https://apps.bdimg.com/libs/jquery/2.1.4/jquery.min.js"></script>
+    <script src="javascripts/code_editor.js" type="text/javascript"></script>
+</head>
+<body>
+    <!--<form method="post">-->
+    <div>
+        <textarea rows="24" cols="100" class="input" id='code' name='code' autofocus required wrap="soft"></textarea>
+        <br>
+        <div id='panel'>
+            <select class="button" id="existingFileName" onchange="loadFile()"></select>
+            <button class="button" onclick="loadExistingFileName()">Load</button>
+            <input class="input" id="filename" type="text" name="filename" placeholder="Input filename:" required />
+            <input class="input" id="folder" type="text" name="folder" placeholder="Input folder name:" hidden />
+            <!--<input class="button" type="submit" value="Submit">-->
+            <button class="button" onclick="submitCode()">Submit</button>
+            <button class="button" id='danger' onclick="clearCode()">Clear</button>
+        </div>
+    </div>
+    <!--</form>-->
+</body>
+</html>