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app.js
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var http = require('http')
var express = require('express')
var path = require('path')
var cheerio = require('cheerio')
var $ = cheerio.load('<html></html>')
var app = express()
var port = process.env.port || 1995
var formidable = require('formidable')
var secret = require('./modules/secret.js')
var mongoose = require('mongoose')
var Topic = require('./schemals/topic.js')
var Comment = require('./schemals/comment.js')
var User = require('./schemals/user.js')
var Admin = require('./schemals/admin.js')
var crypto = require('crypto')
var session = require('express-session')
var mongoStore = require('connect-mongo')(session)
app.use(require('cookie-parser')(secret.cookieSecret))
app.use(session({
secret:secret.cookieSecret,
store: new mongoStore({
url:secret.mongo.development.connectionString,
collection:'sessions',
})
}));
app.use(require('body-parser')())
app.set('view engine','jade')
app.set('views','./views')
app.locals.pretty = true;
app.use(express.static(path.join(__dirname,'bower_components')))
// 环境选择及数据库连接
var opts = {
server: {
socketOptions: { keepAlive: 1 }
}
};
switch(app.get('env')){
case 'development':
console.log(secret.mongo.development.connectionString)
mongoose.connect(secret.mongo.development.connectionString,opts);
break;
case 'product':
console.log(secret.mongo.development.connectionString)
mongoose.connect(secret.mongo.development.connectionString,opts);
break;
default:
throw new Error("未知运行环境" + app.get('nev'));
}
// 首页
app.get('/',function(req,res){
Topic.find({available:true})
.populate('publisher')
.exec(function(err, topics){
var context = {
title:"首页",
isLogin:req.session.user==null?false:true,
username:req.session.user,
userId:req.session.userId,
topics: topics.reverse(),
}
res.render('home',context);
})
})
// 话题详情
app.get('/topics/:id',function(req,res){
var _id = req.params.id;
if(req.session.user) {
var status = true;
}
Topic.findOne({available:true,_id:_id})
.populate('publisher comment')
.exec(function(err,topic){
if(err) {
console.log(err)
}
if(topic==null){
res.redirect(303,'/')
}else{
Comment.find({topic:topic._id},function(err,comments){
if (err) {console.log(err)}
if(comments.length === 0){
new Comment({
topic:topic._id,
content:topic.content,
publisher:topic.publisher._id,
launchTime:topic.launchTime,
available:true,
}).save(function(err,cmt){
if (err) console.log(err)
})
}
})
}
})
Topic.findOne({available:true,_id:_id})
.populate('publisher comment')
.exec(function(err,topic){
if (err) {console.log(err)}
res.locals.topic = topic;
// console.log(res.locals.topic)
})
Comment.find({available:true,topic:_id})
.populate('publisher comment reply.from reply.to')
.exec(function(err,comments){
if (err) {console.log(err)}
res.locals.comments=comments;
// console.log(res.locals.comments)
res.render('topic',{
title:"话题详情",
isLogin:status,
userId:req.session.userId,
username:req.session.user,
})
})
})
// 搜索
app.get('/search',function(req,res){
res.render('search',{
title:"搜索",})
})
app.post('/search',function(req,res){
Topic.find({title:new RegExp(req.body.searchText)})
.populate('publisher')
.exec(function(err,topics){
res.send(topics)
})
})
// 发表话题
app.get('/publish',function(req,res){
if (req.session.user) {
var context = {
title:"发表话题",
}
res.render('publish',context)
}else {
res.redirect(303,'/login')
}
})
// 话题发表
app.post('/publish',function(req,res){
if (req.session.user) {
var _topic = req.body.topic;
var newTopic = new Topic(_topic);
newTopic.publisher = req.session.userId;
newTopic.available = true;
newTopic.launchTime = new Date();
newTopic.save(function(err,topic){
if (err){
console.log(err)
}
});
res.redirect(303,'/');
}else {
res.redirect(303,'/login')
}
})
// 提交回复
app.get('/reply',function(req,res){
if (req.session.user) {
var context = {
basic:{
"title":"发表回复",
},
topic:req.query.topic,
floor:req.query.floor,
}
// res.locals.topic = req.query.topic;
// res.locals.floor = req.query.floor;
res.render('comment',context)
}else {
res.redirect(303,'/login')
}
})
// 回复提交处理
app.post('/reply',function(req,res){
var content = req.body.content;
var topicId = req.body.topic;
// reply找到对应的comment就行，comment会绑定topic
var fromId = req.session.userId;
var toId = req.body.toId;
var floorId = req.body.floor;
Comment.findOne({_id:floorId})
.populate('publisher')
.exec(function(err,comment){
if(err){
console.log(err)
}
var reply = {
content:content,
from:fromId,
to:toId||comment.publisher,
rpTime:new Date,
}
comment.reply.push(reply);
comment.save(function (err) {
if (err) console.log(err)
res.redirect(303,'/topics/'+topicId);
// 重定向url多出#号
});
})
//日志：push之后需要save()才可以保存数据
})
// 提交评论
app.get('/comment',function(req,res){
if (req.session.user) {
var context = {
basic:{
"title":"发表评论",
},
topic:req.query.topic,
}
// res.locals.topic = req.query.topic;
res.render('comment',context)
}else {
res.redirect(303,'/login')
}
})
// 评论提交处理
app.post('/comment',function(req,res){
var content = req.body.content;
var topicId = req.body.topic;
new Comment({
topic:topicId,
publisher:req.session.userId,
launchTime:new Date(),
content:content,
available:true,
}).save(function(err,comment){
if (err) console.log(err)
res.redirect(303,'/topics/'+topicId);
});
})
// 个人主页
app.get('/homepage/:userId',function(req,res){
var homepageId = req.params.userId;
// 如果登陆，则允许查看
if (req.session.user) {
Topic.find({available:true,publisher:homepageId}, function(err, topics){
if(err) console.log(err)
res.locals.topics = topics.reverse();
})
User.findOne({_id:homepageId}, function(err, user){
if(err){
console.log(err)
}
res.locals._user=user;
// 如果登陆且查看的主页为自己的，则显示最近回复
Comment.find({available:true})
.populate('topic reply.to reply.from')
.exec(
function(err,comments){
if(err) console.log(err)
// 将复合条件的映射至新数组
var rpArr = comments.map(function(cmt){
for (var i = 0; i < cmt.reply.length; i++) {
// console.log(cmt.reply[i].to._id)
// console.log(homepageId)
if(cmt.reply[i].to._id == homepageId){
return {reply:cmt.reply[i],topic:cmt.topic}
}
};
})
// 过滤掉不符合条件的（undefined）
rpArr = rpArr.filter(function(value,index){
return value!=undefined;
})
res.locals.reply = rpArr.reverse();
var title = res.locals._user.username+'的个人主页';
res.render('homepage',{
title:title,
isLogin:req.session.user==null?false:true,
username:req.session.user,
userId:req.session.userId,
});
})
})
}else{
res.redirect(303,'/login')
}
})
// 修改信息
app.get('/editinfo',function(req,res){
var userId = req.query.user||req.session.userId;
User.findOne({_id:userId},function(err,user){
var context = {
title:"修改资料",
user:user,
}
res.render('editinfo',context);
})
})
app.post('/editinfo',function(req,res){
var _user = req.body.user;
User.findOne({_id:req.session.userId},function(err,user){
user.nickname = _user.nickname;
user.sex = _user.sex;
user.age = _user.age;
user.addr = _user.addr;
user.tel = _user.tel;
user.save(function(err,user){
if (err) {console.log(err)}
})
res.redirect('/homepage/'+req.session.userId)
})
})
// 修改密码
app.get('/editpwd',function(req,res){
var context = {
title:"修改密码",
info:{
}
}
res.render('editpwd',context);
})
app.post('/editpwd',function(req,res){
User.findOne({_id:req.session.userId},function(err,user){
if(user.password == req.body.oldpwd){
user.password = req.body.newpwd;
user.save(function(err,user){
if (err) {console.log(err)}
})
res.redirect('/homepage/'+req.session.userId)
}
})
})
// 删除功能(话题及相关回复)
app.get('/delete',function(req,res){
Topic.remove({_id:req.query.topic},function(err,topic){
if (err) console.log(err)
})
Topic.remove({publisher:req.query.user},function(err,topic){
if (err) console.log(err)
})
Comment.remove({topic:req.query.topic},function(err,comment){
if (err) console.log(err)
if (comment.result.n!=0){
res.send('success')
}
})
Comment.remove({_id:req.query.comment},function(err,comment){
if (err) console.log(err)
if (comment.result.n!=0){
res.send('success')
}
})
Comment.remove({publisher:req.query.user},function(err,comment){
if (err) console.log(err)
if (comment.result.n!=0){
res.send('success')
}
})
// Comment.reply.remove({_id:req.query.reply},function(err,reply){
// if (err) console.log(err)
// })
User.remove({_id:req.query.user},function(err,reply){
// 此处reply返回的是一个状态。
// 其中有个参数 result: { ok: 1, n: 0 },
// n代表成功移除的个数。
if (err) console.log(err)
if (reply.result.n!=0){
req.session.userId = null;
req.session.user = null;
res.send('success')
}
})
})
// 注册
app.get('/register',function(req,res){
var context = {
title:"注册",
basic:{
"site":"太原科技大学 移动论坛",
"title":"注册",
"csrf":"隐身术，涨姿势",
}
}
res.render('register',context)
})
// 登录
app.get('/login',function(req,res){
var context = {
title:"登录",
basic:{
"site":"太原科技大学 移动论坛",
"csrf":"隐身术，涨姿势",
}
}
res.render('login',context)
})
// 用户登出
app.get('/logout',function(req,res){
req.session.user = null;
req.session.userId = null;
res.redirect(303,'/')
})
app.get('/thank-you',function(req,res){
res.render('thank-you',{
"title":"感谢注册"
})
})
app.get('/about',function(req,res){
res.render('about',{
"title":"关于我们",
"name":"唐文豪",
"tel":"18335101878",
"age":21
})
})
Date.prototype.output = function(){
var now = new Date();
var out = this;
var outString = '';
if (out.getFullYear()!=now.getFullYear()) {
outString+=out.getFullYear()+" ";
}
var outMonth = checkIt(out.getMonth()+1),
outDay = checkIt(out.getDate()),
outHour = checkIt(out.getHours()),
outMin = out.getMinutes();
outString += outMonth+" "+outDay+" "+outHour+":"+outMin;
return outString;
function checkIt(t){
if(t<10){
t="0"+t;
}
return t;
}
}
// 注册表单处理
// 注册用户和管理员添加需分开
app.post('/register',function(req,res){
var _user = req.body.user;
User.findOne({username:_user.username},function(err,user){
if(err) {
console.log(err)
}
if(user) {
req.session.flash='用户已存在！';
res.locals.flash = req.session.flash;
delete req.session.flash;
res.redirect(303,'/register')
}
else {
var photoArr = ["1.jpg","2.jpg","3.jpg","4.jpg"];
var newUser = new User(_user);
newUser.photo = photoArr[Math.floor(Math.random()*photoArr.length)];
newUser.save(function(err,user){
if (err){
console.log(err)
}
req.session.user = _user.username;
req.session.userId = _user._id;
res.redirect(303,'/thank-you');
});
}
})
})
// 管理员添加用户
app.post('/adduser',function(req,res){
var _user = req.body.user;
User.findOne({username:_user.username},function(err,user){
if(err) {
console.log(err)
}
if(user) {
// res.locals.err = "用户已存在！";
req.session.flash='用户已存在！';
res.locals.flash = req.session.flash;
delete req.session.flash;
res.redirect(303,'/admin/');
}
else {
var photoArr = ["1.jpg","2.jpg","3.jpg","4.jpg"];
var newUser = new User(_user);
newUser.photo = photoArr[Math.floor(Math.random()*photoArr.length)];
newUser.save(function(err,user){
if (err){
console.log(err)
}
res.redirect(303,'/admin/')
});
}
})
})
// 登陆处理
app.post('/login',function(req,res){
var _user = req.body.user;
var username = _user.username;
var password = _user.password;
User.findOne({username:username},function(err,user){
if (err) {
console.log(err)
}
if(!user) {
return res.redirect(303,'/login')
}
else if(password == user.password){
req.session.user=username;
req.session.userId = user._id;
console.log('欢迎'+username)
res.redirect(303,'/')
}
else {
return res.redirect(303,'/login')
}
})
})
app.get('/contest/photo',function(req,res){
var now = new Date();
res.render('contest/photo',{
year:now.getFullYear(),month:now.getMonth()
})
})
// 通过formidable中间件来接受复合类型表单。
app.post('/contest/photo/:year/:month',function(req,res){
var form = new formidable.IncomingForm();
form.parse(req,function(err,fields,files){
if(err) return res.redirect(303,'/error')
console.log('received fields:')
console.log(fields)
console.log('received files')
console.log(files)
res.redirect(303,'/thank-you')
})
})
// 管理后台
app.get('/admin/',function(req,res){
if (req.session.admin) {
User.find(function(err,users){
res.locals.users = users;
})
Topic.find({available:true})
.populate('publisher')
.exec(
function(err,topics){
res.locals.topics = topics;
})
Comment.find({available:true})
.populate('publisher topic reply.to reply.from')
.exec(
function(err,comments){
if(err) console.log(err)
// 将回复映射至新数组
var rpArr = comments.map(function(cmt){
for (var i = 0; i < cmt.reply.length; i++) {
return {reply:cmt.reply[i],topic:cmt.topic}
};
})
// 过滤掉不符合条件的（undefined）
rpArr = rpArr.filter(function(value,index){
return value!=undefined;
})
res.locals.reply = rpArr.reverse();
res.locals.comments = comments;
res.render('admin/admin',{
title:'太原科技大学移动论坛',
admin:req.session.admin,
})
// render须在最后一次查寻中，且关联查询放最后一次，res.locals才能成功
})
}else{
res.redirect(303,'/admin/login')
}
})
// 管理员登录页面
app.get('/admin/login',function(req,res){
res.render('admin/login',{
title:'移动论坛——管理员登陆'
})
})
app.post('/admin/login',function(req,res){
var admin = req.body.admin;
Admin.findOne({available:true,adminname:admin.adminname},function(err,am){
if(err) console.log(err)
if (admin.password == am.password) {
req.session.adminId = am._id;
req.session.admin = am.adminname;
res.redirect(303,'/admin/')
} else {
res.redirect(303,'/admin/login')
}
})
})
// 管理员登出
app.get('/admin/logout',function(req,res){
req.session.admin = null;
req.session.adminId = null;
res.redirect(303,'/admin')
})
// 定制404s
app.use(function(req,res,next){
res.status(404)
// .send('找不到此页面')
.render(404)
})
// 定制500
app.use(function(err,req,res,next){
console.error(err.stack)
res.type('text/plain')
res.status(500)
// .send("服务器出错")
.render(505)
})
app.listen(port,
function(){
console.log("启动啦~~~~"+port)
})