nodeJS_practice_blog/main.js at master · raphy0316/nodeJS_practice_blog · GitHub

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var http = require('http');
var fs = require('fs');
var url = require('url');
var qs = require('querystring');
var template = require('./lib/template.js');


var app = http.createServer(function(request, response) {
  var _url = request.url;
  var queryData = url.parse(_url, true).query;
  var pathname = url.parse(_url, true).pathname;
  console.log(pathname)
  if (pathname === '/') {
    if (queryData.id === undefined) {
      fs.readdir('./data', function(error, filelist) {
        var title = 'Welcome';
        var description = 'Hello, Node.js';

        var list = template.list(filelist);
        var html = template.HTML(title, list,
          `<h2>${title}</h2>${description}`,
          `<a href="/create">create</a>`);
        response.writeHead(200);
        response.end(html);
      })
    } else {
      fs.readdir('./data', function(error, filelist) {
        fs.readFile(`data/${queryData.id}`, 'utf8', function(err, description) {
          var title = queryData.id;
          var list = template.list(filelist)
          var html = template.HTML(title, list,
            `<h2>${title}</h2>${description}`,
            `<a href="/create">create</a>
            <a href="/update?id=${title}">update</a>
            <form action ="delete_process" method="post">
              <input type = "hidden" name = "id" value = "${title}">
              <input type = "submit" value = "delete">
            </form>`
          );
          response.writeHead(200);
          response.end(html);
        });
      });
    }
  } else if (pathname === '/create') {
    fs.readdir('./data', function(error, filelist) {
      var title = 'WEB - create';
      var list = template.list(filelist);
      var html = template.HTML(title, list, `
          <form action="/create_process" 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.writeHead(200);
      response.end(html);
    })
  } else if (pathname === '/create_process') {
    var body = '';
    request.on('data', function(data) {
      body += data;

    });

    request.on('end', function() {
      var post = qs.parse(body);
      var title = post.title;
      var description = post.description;
      fs.writeFile(`data/${title}`, description, 'utf8', function(err) {
        response.writeHead(302, {
          Location: `/?id=${title}`
        });
        response.end('success');
      })
    });


  } else if (pathname === '/update') {
    fs.readdir('./data', function(error, filelist) {
      fs.readFile(`data/${queryData.id}`, 'utf8', function(err, description) {
        var title = queryData.id;
        var list = template.list(filelist)
        var html = template.HTML(title, list,
          `
          <form action="/update_process" method="post">
          <input type="hidden" name="id" value="${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="/create">create</a> <a href="/update?id=${title}">update</a>`);
        response.writeHead(200);
        response.end(html);
      });
    });

  } else if (pathname === '/update_process') {
    var body = '';
    request.on('data', function(data) {
      body += data;

    });

    request.on('end', function() {
      var post = qs.parse(body);
      var title = post.title;
      var id = post.id;
      var description = post.description;
      fs.rename(`data/${id}`, `data/${title}`, function(error) {
        fs.writeFile(`data/${title}`, description, 'utf8', function(err) {
          response.writeHead(302, {
            Location: `/?id=${title}`
          });
          response.end('success');
        })
      })
      console.log(post);
      /**/
    });
  } else if (pathname === '/delete_process') {
    var body = '';
    request.on('data', function(data) {
      body += data;
    });

    request.on('end', function() {
      var post = qs.parse(body);
      var id = post.id;
      fs.unlink(`data/${id}`, function(error) {
        response.writeHead(302, {
          Location: `/`
        });
        response.end();
      })
    })

  } else {
    response.writeHead(404);
    response.end('Not found');
  }
});
app.listen(3000);