posts.js
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var express = require('express');
var router = express.Router();
var Post = require('../models/Post');
var util = require('../util');
// Post home
router.get('/', async function(req, res){
// Paging 기능 추가
var page = Math.max(1, parseInt(req.query.page));
var limit = Math.max(1, parseInt(req.query.limit));
page = !isNaN(page)?page:1;
limit = !isNaN(limit)?limit:10;
var skip = (page-1)*limit;
var count = await Post.countDocuments({});
var maxPage = Math.ceil(count/limit);
var posts = await Post.find({})
.populate('author')
.sort('-createdAt')
.skip(skip)
.limit(limit)
.exec();
res.render('posts/index', {
posts:posts,
currentPage:page,
maxPage:maxPage,
limit:limit
});
});
// Post new
router.get('/new', util.isLoggedin, function(req, res){
var post = req.flash('post')[0] || {};
var errors = req.flash('errors')[0] || {};
res.render('posts/new', {post:post, errors:errors});
})
// Post create
router.post('/', util.isLoggedin, function(req, res){
req.body.author = req.user._id;
Post.create(req.body, function(err, post){
if(err){
req.flash('post', req.body);
req.flash('errors', util.parseError(err));
return res.redirect('/posts/new');
};
res.redirect('/posts');
});
});
// Post show
router.get('/:id', util.isLoggedin, function(req, res){
Post.findOne({_id:req.params.id})
.populate('author')
.exec(function(err,post){
if(err){return res.json(err)};
res.render('posts/show', {post:post});
});
});
// Post edit
router.get('/:id/edit', util.isLoggedin, checkPermission, function(req, res){
var post = req.flash('post')[0];
var errors = req.flash('errors')[0] || {};
if(!post){
Post.findOne({_id:req.params.id}, function(err, post){
if(err){return res.json(err)};
res.render('posts/edit', {post:post, errors:errors});
});
}
else{
post._id = req.params.id;
res.render('posts/edit', {post:post, errors:errors});
}
});
// Post update
router.put('/:id', util.isLoggedin, checkPermission, function(req, res){
req.body.updatedAt = Date.now();
Post.findOneAndUpdate({_id:req.params.id}, req.body, {runValidators:true}, function(err, post){
if(err){
req.flash('post', req.body),
req.flash('errors', util.parseError(err));
return res.redirect('/posts/'+ req.params.id + '/edit');
};
res.redirect('/posts/' + req.params.id);
});
});
// Post delete
router.delete('/:id', util.isLoggedin, checkPermission, function(req, res){
Post.deleteOne({_id:req.params.id}, function(err){
if(err){return res.join(err)};
res.redirect('/posts');
});
});
function checkPermission(req, res, next){
Post.findOne({_id:req.params.id}, function(err, post){
if(err){return res.json(err)};
if(post.author != req.user.id){return util.noPermission(req,res)};
next();
});
}
// Export module
module.exports = router;