미들웨어, Router

main.js

const express = require('express')
const app = express()
const port = 3000
var fs = require('fs');
var template = require('./lib/template.js');
var bodyParser = require('body-parser');
var qs = require('querystring');
var compression = require('compression');
var indexRouter = require('./routes/index');
var topicRouter = require('./routes/topic');


app.use(express.static('public'));
app.use(bodyParser.urlencoded({ extended: false }));
app.use(compression())
app.get('*', function (request, response, next) {
  fs.readdir('./data', function (error, filelist) {
    request.list = filelist;
    next();
  });
})

//route
app.use('/', indexRouter);
app.use('/topic', topicRouter);


app.use(function (req, res, next) {
  res.status(404).send('Sorry cant find that!');
});


app.use(function (err, req, res, next) {
  console.log(err);
  console.error(err.stack);
  res.status(500).send('Somesaddasdasthing broke!');
});



app.listen(port, () => {
  console.log(`Example app listening on port ${port}`)
})

 

topic.js

var express = require('express')
var router = express.Router();
var path = require('path');
var sanitizeHtml = require('sanitize-html');
const { filter } = require('compression');
var fs = require('fs');
var template = require('../lib/template.js');



router.get('/create', (req, response) => {
    var title = 'WEB - create';
    var list = template.list(req.list);
    var html = template.HTML(title, list, `
        <form action="/topic/create" method="post">
          <p><input type="text" name="title" placeholder="title"></p>
          <p>
            <textarea name="description" placeholder="description"></textarea>
          </p>
          <p>
            <input type="submit">
          </p>
        </form>
      `, '');
    response.send(html);
});

router.post('/create', (request, response) => {
    var post = request.body;
    var title = post.title;
    var description = post.description;
    fs.writeFile(`data/${title}`, description, 'utf8', function (err) {
        response.redirect(`/topic/${title}`);
    })
})


router.get('/update/:pageId', (request, response) => {
    var filteredId = path.parse(request.params.pageId).base;
    fs.readFile(`data/${filteredId}`, 'utf8', function (err, description) {
        var title = request.params.pageId;
        var list = template.list(request.list);
        var html = template.HTML(title, list,
            `
          <form action="/topic/update" method="post">
            <input type="hidden" name="id" value="${title}">
            <p><input type="text" name="title" placeholder="title" value="${title}"></p>
            <p>
              <textarea name="description" placeholder="description">${description}</textarea>
            </p>
            <p>
              <input type="submit">
            </p>
          </form>
          `,
            `<a href="/topic/create">create</a> <a href="/topic/update/${title}">update</a>`
        );
        response.send(html);
    });
});

router.post('/update', (request, response) => {
    var post = request.body;
    var id = post.id;
    var title = post.title;
    var description = post.description;
    fs.rename(`data/${id}`, `data/${title}`, function (error) {
        fs.writeFile(`data/${title}`, description, 'utf8', function (err) {
            response.redirect(`/topic/${title}`);
        })
    });
});




router.post('/delete_process', (request, response) => {
    var post = request.body;
    var id = post.id;
    var filteredId = path.parse(id).base;
    fs.unlink(`data/${filteredId}`, function (error) {
        response.redirect('/topic/');
    })
});





router.get('/:pageId', (req, response, next) => {
    var filteredId = path.parse(req.params.pageId).base;
    console.log(filteredId);
    fs.readFile(`data/${filteredId}`, 'utf8', function (err, description) {
        if (err) {
            next(err);
            return;
        }
        var title = req.params.pageId;
        var sanitizedTitle = sanitizeHtml(title);
        var sanitizedDescription = sanitizeHtml(description, {
            allowedTags: ['h1']
        });
        var list = template.list(req.list);
        var html = template.HTML(sanitizedTitle, list,
            `<h2>${sanitizedTitle}</h2>${sanitizedDescription}`,
            ` <a href="/topic/create">create</a>
            <a href="/topic/update/${sanitizedTitle}">update</a>
            <form action="/topic/delete_process" method="post">
              <input type="hidden" name="id" value="${sanitizedTitle}">
              <input type="submit" value="delete">
              </form>`
        );
        response.send(html);
        next('route');
    });
});




router.get('/', (request, response) => {
    var title = 'Welcome';
    var description = 'Hello, Node.js';
    var list = template.list(request.list);
    var html = template.HTML(title, list,
        `<h2>${title}</h2>${description}
      <img src="/images/hello.jpg" style="width:300px; display:block; margin-top:20px">
      `,
        `<a href="/topic/create">create</a>`
    );
    response.send(html);
})

module.exports = router;

 

 

 

index.js

const express = require('express');
const router = express.Router();
var template = require('../lib/template.js');


router.get('/', (request, response) => {
    console.log(request.list);
    var title = 'Welcome';
    var description = 'Hello, Node.js';
    var list = template.list(request.list);
    var html = template.HTML(title, list,
        `<h2>${title}</h2>${description}
      <img src="/images/hello.jpg" style="width:300px; display:block; margin-top:20px">
      `,
        `<a href="/topic/create">create</a>`
    );
    response.send(html);
})

module.exports = router;