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| var mongoose = require('mongoose');
var express = require('express');
var bodyParser = require('body-parser');
const {ObjectID} = require('mongodb');
var _ = require('lodash');
const validator = require('validator');
const jwt = require('jsonwebtoken');
//app
var app = express();
const port = process.env.PORT || 3000;
//express middleware Jonson对象与字符串转换。
app.use(bodyParser.json());
//
mongoose.Promise = global.Promise;
//连接mogodb
mongoose.connect(process.env.MONGODB_URI || 'mongodb://localhost:27017/TodoApp');
//模版
var Todo = mongoose.model('Todo',{
text:{
type:String, //类型
required:true, //必须要有
minlength:1, //最小长度
trim:true //去除空格
},
completed:{
type:Boolean,
default:false //默认值
},
completedAt:{
type:Number,
default:null
}
});
var UserSchema = new mongoose.Schema({
email: {
type: String,
required: true,
trim: true,
minlength: 1,
unique: true,
validate: {
validator: validator.isEmail,
message: '{VALUE} is not a valid email'
}
},
password: {
type: String,
require: true,
minlength: 6
},
tokens: [{
access: {
type: String,
required: true
},
token: {
type: String,
required: true
}
}]
});
UserSchema.methods.toJSON = function () {
var user = this;
var userObject = user.toObject();
return _.pick(userObject, ['_id', 'email']);
};
UserSchema.methods.generateAuthToken = function () {
var user = this;
var access = 'auth';
var token = jwt.sign({_id: user._id.toHexString(), access}, 'abc123').toString();
user.tokens = user.tokens.concat([{access,token}]);
return user.save().then(() => {
return token; //返回token
});
};
var User = mongoose.model('User', UserSchema);
//express route
app.post('/todos',(req,res)=>{
// console.log(req.body);
//建立对象document
var todo = new Todo({
text:req.body.text
});
//保存
todo.save().then((doc)=>{
res.send(doc);
},(e)=>{
res.status(400).send(e);
});
})
//获取所有属性
app.get('/todos', (req, res) => {
Todo.find().then((todos) => {
res.send({todos});
}, (e) => {
res.status(400).send(e);
})
});
//查询id
app.get('/todos/:id', (req, res) => {
var id = req.params.id;
if (!ObjectID.isValid(id)) {
return res.status(404).send();
}
Todo.findById(id).then((todo) => {
if (!todo) {
return res.status(404).send();
}
res.send({todo});
}).catch((e) => {
res.status(400).send();
});
});
//删除
app.delete('/todos/:id', (req, res) => {
var id = req.params.id;
if (!ObjectID.isValid(id)) {
return res.status(404).send();
}
Todo.findByIdAndRemove(id).then((todo) => {
if (!todo) {
return res.status(404).send();
}
res.send({todo});
}).catch((e) => {
res.status(400).send();
});
});
//更新
app.patch('/todos/:id', (req, res) => {
var id = req.params.id;
var body = _.pick(req.body, ['text', 'completed']);
if (!ObjectID.isValid(id)) {
return res.status(404).send();
}
if (_.isBoolean(body.completed) && body.completed) {
body.completedAt = new Date().getTime();
} else {
body.completed = false;
body.completedAt = null;
}
Todo.findByIdAndUpdate(id, {$set: body}, {new: true}).then((todo) => {
if (!todo) {
return res.status(404).send();
}
res.send({todo});
}).catch((e) => {
res.status(400).send();
})
});
// POST /users
app.post('/users', (req, res) => {
var body = _.pick(req.body, ['email', 'password']);
var user = new User(body);
user.save().then(() => {
return user.generateAuthToken(); //调用方法，产生auth token并保存。
}).then((token) => {
res.header('x-auth', token).send(user); //设置了响应头
}).catch((e) => {
res.status(400).send(e);
})
});
//监听
app.listen(port,()=>{
console.log(`Start on port ${port}`);
});
module.exports = {
app,
Todo
}
|
