text: const errorTypes = require('../constants/error-types')
  const service = require('../service/user.service')
  const md5password = require('../utils/password-handle')
  
  const verifyUser = async (ctx,next) => {
    //1、获取用户名和密码
    const { name, password } = ctx.request.body 
  
    console.log(name, password, ctx.request.body)
  
    //2、判断用户名和密码不能为空
    if(!name || !password){
      const error = new Error(errorTypes.NAME_OR_PASSWORD_IS_REQUIRED)
      return ctx.app.emit('error', error, ctx)
    }
  
    //3、判断这次注册的用户名是没有注册过
    const result = await service.getUserByName(name)
    if (result.length) {
      console.log(121)
      const error = new Error(errorTypes.USER_ALREADY_EXISTS)
      return ctx.app.emit('error',error,ctx)
    }
    console.log(111)
    await next()
  }
  
  const handlePassword = async (ctx, next) => {
    const { password } = ctx.request.body
    ctx.request.body.password = md5password(password)
    await next()
  }
  
  module.exports = {
    verifyUser,
    handlePassword
  }
  