fixed votes!

gistfile1.txt

firebase.initializeApp(config);
var messageAppReference = firebase.database();


$(document).ready(function(){
  $('#message-form').submit(function(event){
    event.preventDefault();
    console.log("ALLO??!?!")
    var message = $('#message').val();
    $('#message').val('');

    //create section for messages in db
    var messageReference = messageAppReference.ref('messages');
    messageReference.push({
      message: message,
      votes: 0
    });
  });

 messageClass.getPosts();
});

var messageClass = (function(){

  function getPosts(){
    messageAppReference.ref('messages').on('value', function(results) {
      var $messageBoard = $('.message-board');
      var messages = [];
      var allMsgs = results.val();

      for (var msg in allMsgs) {
        var message = allMsgs[msg].message;
        var votes = allMsgs[msg].votes;
        var $messageListElement = $('<li>');

        var $deleteElement = $('<i class="fa fa-trash pull-right delete"></i>');
        $deleteElement.on('click', function(e){
          var id = $(e.target.parentNode).data('id');
          deleteMessage(id);
        });

        var $upVoteElement = $('<i class="fa fa-thumbs-up pull-right"></i>');
        $upVoteElement.on('click', function(e){
          var id = $(e.target.parentNode).data('id');
          updateMessage(id, ++allMsgs[id].votes); //votes variable stores value independent of node id. this change targets the id.
        });

        var $downVoteElement = $('<i class="fa fa-thumbs-down pull-right"></i>');
        $downVoteElement.on('click', function(e){
          var id = $(e.target.parentNode).data('id');
          updateMessage(id, --allMsgs[id].votes);
        });

        $messageListElement.attr('data-id', msg);
        $messageListElement.html(message);
        $messageListElement.append($deleteElement);
        $messageListElement.append($upVoteElement);
        $messageListElement.append($downVoteElement);
        $messageListElement.append('<div class="pull-right">' +votes+ '</div>');
        messages.push($messageListElement);
      }
      $messageBoard.empty();
      for (var i in messages) {
      $messageBoard.append(messages[i]);
      }
    });
  }

  function updateMessage(id, votes) {
    var messageReference = messageAppReference.ref('messages').child(id);
    messageReference.update({
      votes: votes
    });
  }
  function deleteMessage(id){
    var messageReference = messageAppReference.ref('messages').child(id);
    messageReference.remove();
  }
  return {
    getPosts: getPosts
  };

})();