Passing an object between controller Swift - ios

Question

I have a storyboard which start with a login page. And I have a User class like this
class User {
// Properties
var firmCode : String
var firmId : String
var userId : String
// Default Initializer
init() {
self.firmCode = ""
self.firmId = ""
self.userId = ""
}
// Defult Initializer with prams
init(firmCode: String, firmId: String, userId: String) {
self.firmCode = firmCode
self.firmId = firmId
self.userId = userId
}
}
I am generating some values in login page, and I can create my User object with these values.
Now I want to make this object global and use this user object in all scene.
How to pass this object to other scenes? For example I want to pass this values with my object to an embed static table view controller like this
Note: Does it matter, the embed controller has a tab bar controller? I guess I need to use my delegate file?
EDIT:
Now I have created my global object like this:
// test value
let firmId = "Company Id"
// Creating user object without user class declaration
NSUserDefaults.standardUserDefaults().setObject(firmId, forKey: "testFirmId")
And trying to get my object like this:
// Creating user variable in other scene by globally
let getValue : AnyObject? = NSUserDefaults.standardUserDefaults().objectForKey("testFirmId")
// checking
println(getValue!)
AND done, return my value on termanal. All work until here.
But now the value return to me as AnyObject, I need the convert it String to apply like this:
someLabel.text = getValue!

Answer 1

You can use NSUserDefaults for that like you can store your object this way:
NSUserDefaults.standardUserDefaults().setObject(YourObject, forKey: "YouKey")
After that you can access it in any scene like:
let yourObject: AnyObject? = NSUserDefaults.standardUserDefaults().objectForKey("YouKey")
Hope It will help you.
EDIT:
NSUserDefaults is limited in the types it can handle: NSData, NSString, NSNumber, NSDate, NSArray, and NSDictionary. Thus no Swift objects or structs can be saved.
From the Apple NSUserDefaults Docs:
A default object must be a property list, that is, an instance of (or
for collections a combination of instances of): NSData, NSString,
NSNumber, NSDate, NSArray, or NSDictionary. If you want to store any
other type of object, you should typically archive it to create an
instance of NSData.
And if you are using NSUserDefaults then you can directly store your instance like shown below:
NSUserDefaults.standardUserDefaults().setObject(test, forKey: "firmCode")
NSUserDefaults.standardUserDefaults().setObject(test, forKey: "firmId")
NSUserDefaults.standardUserDefaults().setObject(test, forKey: "userId")
You Don't need model class for that.

Answer 2

var user = User()
self.user.firmCode = 1
//Assign value to other variables
//Save User object in NSUserDefaults as like this
User.saveUserObject(user)
//Function For Save User
class func saveUserObject(user : User){
let userKey = "UserData \(user.userID)"
NSUserDefaults.standardUserDefaults().setObject(data, forKey: userKey)
}
//Get User Object from NSUserDefaults
class func getUserObject(userIDValue : NSNumber) -> User? {
let userKey = "UserData \(userIDValue)"
if let data = NSUserDefaults.standardUserDefaults().objectForKey(userKey) as? NSData {
return data as? User
}
return nil
}