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drhanlau/app.js

Last active August 3, 2016 06:09
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Blog system boilerplate
Raw
app.js
var bodyParser = require('body-parser');
var mongoose = require('mongoose');
var app = express();
mongoose.connect('mongodb://localhost/blog_system');
var db = mongoose.connection;
db.on('error', function (err) {
console.log('Connection error: ', err);
});
db.once('open', function (callback) {
console.log('Successfully connected to MongoDB');
});
Raw
app_2.js
var express = require('express');
var path = require('path');
var favicon = require('serve-favicon');
var logger = require('morgan');
var cookieParser = require('cookie-parser');
var bodyParser = require('body-parser');
var mongoose = require('mongoose');
var session = require('express-session');
var flash = require('express-flash');
var methodOverride = require('method-override');
var app = express();
mongoose.connect('mongodb://localhost/blog_system');
var db = mongoose.connection;
db.on('error', function (err) {
console.log('Connection error: ', err);
});
db.once('open', function (callback) {
console.log('Successfully connected to MongoDB');
});
// view engine setup
app.set('views', path.join(__dirname, '../app/views'));
app.set('view engine', 'ejs');
// uncomment after placing your favicon in /public
//app.use(favicon(path.join(__dirname, '../public', 'favicon.ico')));
app.use(logger('dev'));
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: true }));
app.use(cookieParser());
app.use(session({
resave: true,
saveUninitialized: true,
secret: '1w2s1d3g43',
cookie: { maxAge: 60000 }
}));
app.use(flash());
app.use(methodOverride('_method'));
app.use(express.static(path.join(__dirname, '../public')));
app.use('/', require('./routes'));
// catch 404 and forward to error handler
app.use(function(req, res, next) {
var err = new Error('Not Found');
err.status = 404;
next(err);
});
// error handlers
// development error handler
// will print stacktrace
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
});
});
}
// production error handler
// no stacktraces leaked to user
app.use(function(err, req, res, next) {
res.status(err.status || 500);
res.render('error', {
message: err.message,
error: {}
});
});
module.exports = app;
Raw
commentsController.js
exports._index = function(req, res, next){
res.send('GET: /posts/:post_id/comments');
};
exports._new = function(req, res, next){
res.send('GET: /posts/:post_id/comments/new');
};
exports.create = function(req, res, next){
res.send('POST: /posts/:post_id/comments');
};
exports.show = function(req, res, next){
res.send('GET: /posts/:post_id/comments/:comment_id');
};
exports.edit = function(req, res, next){
res.send('GET: /posts/:post_id/comments/:comment_id/edit');
};
exports.update = function(req, res, next){
res.send('PUT: /posts/:post_id/comments/:comment_id');
};
exports.destroy = function(req, res, next){
res.send('DELETE: /posts/:post_id/comments/:comment_id');
};
Raw
edit.ejs
<!DOCTYPE html>
<html>
<head>
<title><%= title %></title>
<link rel='stylesheet' href='/stylesheets/style.css' />
</head>
<body>
<h1>Editing Post</h1>
<form action="/posts/<%= post._id %>?_method=PUT" method="post">
<div class="field">
<label>Title</label><br>
<input type="text" name="post[title]" value="<%= post.title %>">
</div>
<div class="field">
<label>Author</label><br>
<input type="text" name="post[author]" value="<%= post.author %>">
</div>
<div class="actions">
<input type="submit" name="commit" value="Update Post">
</div>
</form>
<a href="/posts/<%= post._id %>">Show</a> |
<a href="/posts">Back</a>
</body>
</html>
Raw
error.ejs
<!DOCTYPE html>
<html>
<head>
<title>Oops!</title>
<link rel='stylesheet' href='/stylesheets/style.css' />
</head>
<body>
<h1>Oops!</h1>
<p>There's an error. <br>Please contact the administrator for more info: <br><%= err %></p>
</body>
</html>
Raw
index.ejs
<!DOCTYPE html>
<html>
<head>
<title><%= title %></title>
<link rel='stylesheet' href='/stylesheets/style.css' />
</head>
<body>
<% if (messages.notice) { %>
<p id="notice"><%= messages.notice %></p>
<% } %>
<h1>Listing Posts</h1>
<table>
<thead>
<tr>
<th>Title</th>
<th>Author</th>
<th>Date</th>
<th colspan="3"></th>
</tr>
</thead>
<tbody>
<% posts.forEach(function(post) { %>
<tr>
<td><%= post.title %></td>
<td><%= post.author %></td>
<td><%= post.date %></td>
<td><a href="/posts/<%= post._id %>">Show</a></td>
<td><a href="/posts/<%= post._id %>/edit">Edit</a></td>
<td><form method="post" action="/posts/<%= post._id %>?_method=delete"><input type="submit" value="Destroy"></form></td>
</tr>
<% }); %>
</tbody>
</table>
<br>
<a href="/posts/new">New Post</a>
</body>
</html>
Raw
new.ejs
<!DOCTYPE html>
<html>
<head>
<title><%= title %></title>
<link rel='stylesheet' href='/stylesheets/style.css' />
</head>
<body>
<h1>New Post</h1>
<form action="/posts" method="post">
<div class="field">
<label>Title</label><br>
<input type="text" name="post[title]" value="<%= post.title %>">
</div>
<div class="field">
<label>Author</label><br>
<input type="text" name="post[author]" value="<%= post.author %>">
</div>
<div class="actions">
<input type="submit" name="commit" value="Create Post">
</div>
</form>
<a href="/posts">Back</a>
</body>
</html>
Raw
posts.js
var mongoose = require('mongoose');
var Schema = mongoose.Schema;
var CommentSchema = new Schema({
body: String,
email: String,
author: String
});
var PostSchema = new Schema({
author: String,
title: String,
permalink: String,
body: String,
comments: [CommentSchema],
tags: [String],
date: { type: Date, default: Date.now }
});
module.exports = mongoose.model('Post', PostSchema);
Raw
postsController.js
exports._index = function(req, res, next){
res.send('GET: /posts');
};
exports._new = function(req, res, next){
res.send('GET: /posts/new');
};
exports.create = function(req, res, next){
res.send('POST: /posts');
};
exports.show = function(req, res, next){
res.send('GET: /posts/:post_id');
};
exports.edit = function(req, res, next){
res.send('GET: /posts/:post_id/edit');
};
exports.update = function(req, res, next){
res.send('PUT: /posts/:post_id');
};
exports.destroy = function(req, res, next){
res.send('DELETE: /posts/:post_id');
};
Raw
postsController_new.js
var Post = require('../models/post');
exports._index = function(req, res, next){
// call the find function
Post.find(function(err, posts) {
if (err) {
res.render('common/error', { err: err });
} else {
res.render('posts/index', { posts: posts, title: 'View all posts' });
}
});
};
exports._new = function(req, res, next){
res.render('posts/new', { post: new Post({}), title: 'New Post' } );
};
exports.create = function(req, res, next){
var post = new Post(req.body.post);
post.save(function(err) {
if (err) {
res.render('common/error', { err: err });
} else {
// so that the notice message will be re-displayed upon a redirect
req.flash('notice', 'Post was successfully created.');
res.redirect('/posts/' + post._id);
}
});
};
exports.show = function(req, res, next){
Post.findOne({ _id: req.params.post_id }, function(err, post) {
if (err) {
res.render('common/error', { err: err });
} else {
res.render('posts/show', { post: post, title: post.title });
}
});
};
exports.edit = function(req, res, next){
Post.findOne({ _id: req.params.post_id }, function(err, post) {
if (err) {
res.render('common/error', { err: err });
} else {
res.render('posts/edit', { post: post, title: 'Edit Post' } );
}
});
};
exports.update = function(req, res, next){
Post.findOne({ _id: req.params.post_id }, function(err, post) {
if (err) {
res.render('common/error', { err: err });
} else {
for (prop in req.body.post) {
post[prop] = req.body.post[prop];
}
post.save(function(err) {
if (err) {
res.render('common/error', { err: err });
} else {
// so that the notice message will be re-displayed upon a redirect
req.flash('notice', 'Post was successfully updated.');
res.redirect('/posts/' + post._id);
}
});
}
});
};
exports.destroy = function(req, res, next){
Post.remove({ _id: req.params.post_id }, function(err, post) {
if (err) {
res.render('common/error', { err: err });
} else {
// so that the notice message will be re-displayed upon a redirect
req.flash('notice', 'Post was successfully destroyed.');
res.redirect('/posts');
}
});
};
Raw
routes.js
var express = require('express');
var router = express.Router();
var indexController = require('../app/controllers/indexController');
var usersController = require('../app/controllers/usersController');
var postsController = require('../app/controllers/postsController');
var commentsController = require('../app/controllers/commentsController');
router.get('/', indexController.show);
router.get('/users', usersController.show);
router.get('/posts', postsController._index);
router.get('/posts/new', postsController._new);
router.post('/posts', postsController.create);
router.get('/posts/:post_id', postsController.show);
router.get('/posts/:post_id/edit', postsController.edit);
router.put('/posts/:post_id', postsController.update);
router.delete('/posts/:post_id', postsController.destroy);
router.get('/posts/:post_id/comments', commentsController._index);
router.get('/posts/:post_id/comments/new', commentsController._new);
router.post('/posts/:post_id/comments', commentsController.create);
router.get('/posts/:post_id/comments/:comment_id', commentsController.show);
router.get('/posts/:post_id/comments/:comment_id/edit', commentsController.edit);
router.put('/posts/:post_id/comments/:comment_id', commentsController.update);
router.delete('/posts/:post_id/comments/:comment_id', commentsController.destroy);
module.exports = router;
Raw
show.ejs
<!DOCTYPE html>
<html>
<head>
<title><%= title %></title>
<link rel='stylesheet' href='/stylesheets/style.css' />
</head>
<body>
<% if (messages.notice) { %>
<p id="notice"><%= messages.notice %></p>
<% } %>
<p>
<strong>Title:</strong>
<%= post.title %>
</p>
<p>
<strong>Author:</strong>
<%= post.author %>
</p>
<a href="/posts/<%= post._id %>/edit">Edit</a> |
<a href="/posts">Back</a>
</body>
</html>
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