uidGen.js

var UID_GEN = {
  stringBuilder: function (projNum, sowNum, uid) {
    var id = (uid) ? uid.toUpperCase() : "";
    return id + "-" + projNum + "." + sowNum;
},
  generateUID: function (projNum, sowNum, exisitngId) {
    var pNum, sNum;
    projNum ? pNum = projNum : pNum = "01";
    sowNum ? sNum = sowNum : sNum = "01";
    if (exisitngId) return this.stringBuilder(pNum, sNum, exisitngId);
    var uid          = '';
    var characters       = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789';
    var charactersLength = characters.length;
    for ( var i = 0; i < 6; i++ ) {
      uid += characters.charAt(Math.floor(Math.random() * charactersLength));
    }
     //Write persitence layer to S3 and call verification
    return this.stringBuilder(pNum, sNum, uid);
  }
}