Can't $update or $set ~ "undefined is not a function" ~ AngularFire - angularjs

Question

What I'm trying to do:
Update the status to "TAKEN" when the chat is closed.
Issue:
Can't get $scope.currentChat.$set() or $scope.currentChat.$update() to work when trying to update the status. (See the $scope.close() function.)
What I've tried:
Various methods including $set, $update; I don't know. A lot of things. Been researching this for several hours, and can't find a solution that works.
NOTES:
$scope.currentChat.$set({status:"TAKEN"}); Doesn't work.
$scope.currentChat.$getRecord('status'); Works. Returns:
Object {$value: "OPEN", $id: "status", $priority: null}
So what exactly is going on here? Why can't I seem to set the status to TAKEN?
The issue is currently in the $scope.close() function, when trying to update the status:
// $SCOPE.CLOSE
// - Closes the current ticket.
$scope.close = function() {
// $scope.ticketObject.status = "TAKEN";
// $scope.currentChat.$set({status:"TAKEN"});
console.log("===========================");
console.log("STATUS:");
console.log($scope.currentChat.$getRecord('status'));
console.log($scope.currentChat['status']);
console.log("===========================");
$scope.ticketObject = {};
$scope.ticket = false;
$scope.toggle();
}
Here's my code:
bloop.controller('HomeCtrl', ['$scope', '$firebase', function($scope, $firebase) {
console.log("HomeController!");
var url = 'https://**********.firebaseio.com/tickets/';
var ref = new Firebase(url);
// $SCOPE.CREATETICKET
// - This function makes a connection to Firebase and creates the ticket.
$scope.createTicket = function() {
$scope.tickets = $firebase(ref).$asArray();
$scope.tickets.$add($scope.ticketObject).then(function(r) {
var id = r.name();
$scope.currentFBID = id;
$scope.syncTickets();
console.log("===========================");
console.log("CREATED TICKET: " + $scope.currentFBID);
console.log("URL: " + url + $scope.currentFBID);
console.log("===========================");
});
}
// $SCOPE.SYNCTICKETS
// - This function makes a connection to Firebase and syncs the ticket with the $scope to easily update the tickets.
$scope.syncTickets = function() {
var ticketRefURL = new Firebase(url + $scope.currentFBID);
$scope.currentChat = $firebase(ticketRefURL).$asArray();
$scope.currentChat.$save($scope.ticketObject);
var archiveRefURL = new Firebase(url + $scope.currentFBID + "/archive");
$scope.currentChat.archive = $firebase(archiveRefURL).$asArray();
console.log("===========================");
console.log("SAVED TICKET: " + $scope.currentFBID);
console.log("URL: " + ticketRefURL);
console.log("ARCHIVE URL: " + archiveRefURL);
console.log("===========================");
}
// $SCOPE.POST
// - This function pushes whatever is typed into the chat into the chat archive.
// - $scope.ticketObject.archive (is an array of objects)
$scope.post = function(name) {
// Push to ticketObject.archive array...
$scope.ticketObject.archive.push({
"name" : name,
"text" : $scope.chatText
});
// Logging the array to make sure it exists...
console.log("===========================");
console.log("CHAT ARCHIVE:");
console.log($scope.ticketObject.archive);
console.log("===========================");
$scope.currentChat.archive.$add({
"name" : name,
"text" : $scope.chatText
});
// This resets the text area so it's empty...
$scope.chatText = "";
} // WORKS
// $SCOPE.CLOSE
// - Closes the current ticket.
$scope.close = function() {
// $scope.ticketObject.status = "TAKEN";
// $scope.currentChat.$set({status:"TAKEN"});
console.log("===========================");
console.log("STATUS:");
console.log($scope.currentChat.$getRecord('status'));
console.log($scope.currentChat['status']);
console.log("===========================");
$scope.ticketObject = {};
$scope.ticket = false;
$scope.toggle();
}
// $SCOPE.TOGGLE
// - This function toggles the chat to be either open or closed.
$scope.toggle = function() {
if($scope.toggleState === false) {
$scope.toggleState = true;
$scope.checkTicket();
} else if($scope.toggleState === true) {
$scope.toggleState = false;
}
}
// $SCOPE.CHECKTICKET
// - This function checks to see if there's an existing ticket.
// - If there's not an existing ticket, it creates one.
$scope.checkTicket = function() {
if($scope.ticket === false) {
// Generate New Ticket Data
$scope.ticketObject = newTicket();
// Create the Ticket
$scope.createTicket();
// Ticket now exists.
$scope.ticket = true;
}
}
function newTicket() {
var ticketID = generateTicketID();
var newTicket = {
id: ticketID,
status: "OPEN",
name: "N/A",
email: "N/A",
date: generateDate(),
opID: "Unassigned",
opName: "Unassigned",
archive: [],
notes: []
}
return newTicket;
}
function generateTicketID() {
var chars = "0123456789ABCDEFGHJKLMNPQRSTUVWXYZ";
var result = '';
for(var i=12; i>0; --i) {
result += chars[Math.round(Math.random() * (chars.length - 1))];
}
return result;
}
function generateDate() {
var today = new Date();
var dd = today.getDate();
var mm = today.getMonth() + 1;
var yyyy = today.getFullYear();
if(dd < 10) {
dd = '0' + dd;
}
if(mm < 10) {
dd = '0' + mm;
}
var date = mm + "/" + dd + "/" + yyyy;
return date;
}
}]);

Answer 1

$update and $set are part of the $firebase API. You are attempting to call them on the synchronized array returned by $asArray(), which is a $FirebaseArray instance. That has its own API, which includes neither update nor set.