avoid_duplicate.js

exports.addNewClass = async (req, reply) => {
  try {
    let classname = new class_name(req.body)
    const className = req.body
    console.log(className.class_name)
    const duplicateData = await class_name.findOne({"class_name":className.class_name})
    console.log("duplicateData:"+duplicateData)
    if(!duplicateData){
      let newclass = await classname.save()
      return newclass
    }else{
      return "Duplicated class_name!"
    }
    
    
  } catch (err) {
    throw boom.boomify(err)
  }
}