var stats = require('../helper/stats.js'); 

module.exports = function (req,mandatoryList,api){

    var err = [];

    for(var i=0;i<mandatoryList.length;i++)

    {

        if(typeof req.query[mandatoryList[i]] === 'undefined')
        {
            var errDes = {

                Param : mandatoryList[i],

                Reason : "Missing"

            }

            err.push(errDes);
        }else
        {

            // invaild
        }
    }

    if(err.length > 0)    

        stats.reciveRequest(api,false);    
    else
        stats.reciveRequest(api,true);

    // console.log(err);
    
    return err;

};