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const mongoose = require('mongoose');

const CommentSchema  = new mongoose.Schema({
    comment:{
        type:String,
        trim: true
    },
    author:{
        type: mongoose.Schema.Types.ObjectId,
        required:true,

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const express     = require('express');
const router      =  new express.Router()
const User        = require('../models/user')
const {ObjectID}  = require('mongodb')

module.exports = router

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const express     = require('express');
const router      =  new express.Router()
const Post        = require('../models/post')
const {ObjectID}  = require('mongodb')

module.exports = router

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const express     = require('express')
require('./db/mongoose');
const userRoutes = require('./router/user')
const PostRoutes = require('./router/post')

const app   = express();
const port  =  process.env.PORT || 3005

app.use(express.json())

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router.post('/users', async (req,res) => {
    const user = new User(req.body);
    try{
        const token = await user.newAuthToken()
        res.status(201).send({user, token})
    }catch(e){
        res.status(400).send(e)
    }
})

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UserSchema.methods.newAuthToken = async function(){
    const user  = this
    const token =  jwt.sign({ _id: user.id.toString() },'thisismynewblog', {expiresIn: "7 days"})
    user.tokens = user.tokens.concat({ token })
    await user.save()
    return token
}

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UserSchema.pre('save', async function(next){
    const user = this
    if(user.isModified('password')){
        user.password = await bcrypt.hash(user.password, 8)
    }
    next()
})

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router.post('/users/login', async (req, res) => {
    try {
        const user  = await User.checkValidCredentials(req.body.email, req.body.password)
        const token = await user.newAuthToken()
        res.send({ user, token})
    } catch (error) {
        res.status(400).send()        
    }
})

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router.post('/users/logout', auth, async (req, res) => {
    try {
        req.user.tokens = req.user.tokens.filter((token) =>{
         return token.token !== req.token 
        })
        await req.user.save()
        res.send()
    } catch (error) {
        res.status(500).send()
    }

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router.post('/users/login', async (req, res) => {
    try {
        const user  = await User.checkValidCredentials(req.body.email, req.body.password)
        const token = await user.newAuthToken()
        res.send({ user, token})
    } catch (error) {
        res.status(400).send()        
    }
})