Node.js - MySQL

저자 삭제 기능 구현

강의

 

 

 

소스코드

main.js

var http = require('http');
var url = require('url');
var topic = require('./lib/topic');
var author = require('./lib/author');

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;
    if(pathname === '/'){
      if(queryData.id === undefined){
        topic.home(request, response);
      } else {
        topic.page(request, response);
      }
    } else if(pathname === '/create'){
      topic.create(request, response);
    } else if(pathname === '/create_process'){
      topic.create_process(request, response);
    } else if(pathname === '/update'){
      topic.update(request, response);
    } else if(pathname === '/update_process'){
      topic.update_process(request, response);
    } else if(pathname === '/delete_process'){
      topic.delete_process(request, response);
    } else if(pathname === '/author'){
      author.home(request, response);
    } else if(pathname === '/author/create_process'){
      author.create_process(request, response);
    } else if(pathname === '/author/update'){
      author.update(request, response);
    } else if(pathname === '/author/update_process'){
      author.update_process(request, response);
    } else if(pathname === '/author/delete_process'){
      author.delete_process(request, response);
    } else {
      response.writeHead(404);
      response.end('Not found');
    }
});
app.listen(3000); 

 

lib/author.js


var db = require('./db');
var template = require('./template.js');
var qs = require('querystring');
var url = require('url');

exports.home = function(request, response){
    db.query(`SELECT * FROM topic`, function(error,topics){
        db.query(`SELECT * FROM author`, function(error2,authors){
            var title = 'author';
            var list = template.list(topics);
            var html = template.HTML(title, list,
            `
            ${template.authorTable(authors)}
            <style>
                table{
                    border-collapse: collapse;
                }
                td{
                    border:1px solid black;
                }
            </style>
            <form action="/author/create_process" method="post">
                <p>
                    <input type="text" name="name" placeholder="name">
                </p>
                <p>
                    <textarea name="profile" placeholder="description"></textarea>
                </p>
                <p>
                    <input type="submit"  value="create">
                </p>
            </form>
            `,
            ``
            );
            response.writeHead(200);
            response.end(html);
        });
    });
}

exports.create_process = function(request, response){
    var body = '';
      request.on('data', function(data){
          body = body + data;
      });
      request.on('end', function(){
          var post = qs.parse(body);
          db.query(`
            INSERT INTO author (name, profile) 
              VALUES(?, ?)`,
            [post.name, post.profile], 
            function(error, result){
              if(error){
                throw error;
              }
              response.writeHead(302, {Location: `/author`});
              response.end();
            }
          )
      });
}

exports.update = function(request, response){
    db.query(`SELECT * FROM topic`, function(error,topics){
        db.query(`SELECT * FROM author`, function(error2,authors){
            var _url = request.url;
            var queryData = url.parse(_url, true).query;
            db.query(`SELECT * FROM author WHERE id=?`,[queryData.id], function(error3,author){
                var title = 'author';
                var list = template.list(topics);
                var html = template.HTML(title, list,
                `
                ${template.authorTable(authors)}
                <style>
                    table{
                        border-collapse: collapse;
                    }
                    td{
                        border:1px solid black;
                    }
                </style>
                <form action="/author/update_process" method="post">
                    <p>
                        <input type="hidden" name="id" value="${queryData.id}">
                    </p>
                    <p>
                        <input type="text" name="name" value="${author[0].name}" placeholder="name">
                    </p>
                    <p>
                        <textarea name="profile" placeholder="description">${author[0].profile}</textarea>
                    </p>
                    <p>
                        <input type="submit" value="update">
                    </p>
                </form>
                `,
                ``
                );
                response.writeHead(200);
                response.end(html);
            });
            
        });
    });
}

exports.update_process = function(request, response){
    var body = '';
      request.on('data', function(data){
          body = body + data;
      });
      request.on('end', function(){
          var post = qs.parse(body);
          db.query(`
            UPDATE author SET name=?, profile=? WHERE id=?`,
            [post.name, post.profile, post.id], 
            function(error, result){
              if(error){
                throw error;
              }
              response.writeHead(302, {Location: `/author`});
              response.end();
            }
          )
      });
}

exports.delete_process = function(request, response){
    var body = '';
      request.on('data', function(data){
          body = body + data;
      });
      request.on('end', function(){
          var post = qs.parse(body);
          db.query(
            `DELETE FROM topic WHERE author_id=?`,
            [post.id], 
            function(error1, result1){
                if(error1){
                    throw error1;
                }
                db.query(`
                    DELETE FROM author WHERE id=?`,
                    [post.id], 
                    function(error2, result2){
                        if(error2){
                            throw error2;
                        }
                        response.writeHead(302, {Location: `/author`});
                        response.end();
                    }
                )
            }
        );
      });
}

 

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비밀번호
  1. jo_onc
    CRUD!
    강의 감사합니다!
  2. 누누
    강의를 안보고 그냥 혼자서 구현을 했더니, 선생님의 코드와 차이가 많이 나버렸네요...
    그래서 부랴부랴 author 모듈도 만들고, url도 조금더 깔끔하게 다듬고 오는 길입니다ㅠㅠ
    아무튼 좋은강의 감사합니다!
  3. 연수아빠
    수강완료!!
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