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SwiftyAccountKit - Facebook AccountKit Swift Wrapper
//
// SwiftyAccountKit.swift
// SwiftyAccountKit
//
// Created by Maxim on 7/13/17.
// Copyright © 2017 Maxim Bilan. All rights reserved.
//
import AccountKit
final class SwiftyAccountKit: NSObject {
// MARK: - Shared Instance
static let shared = SwiftyAccountKit()
// MARK: - Constants
static let didUserLogoutNotification = "AccountKitManagerDidUserLogout"
// MARK: - Types
typealias Success = ((LoginType) -> Void)?
typealias AccountSuccess = ((String, String?, String?) -> Void)?
typealias Failure = ((Error?) -> Void)?
typealias Cancellation = (() -> Void)?
// MARK: - Enumerations
enum LoginType {
case unknown
case email
case phoneNumber
}
// MARK: - Private properties
private var accountKit: AKFAccountKit!
fileprivate var loginType: LoginType = .unknown
fileprivate var success: Success
fileprivate var failure: Failure
fileprivate var cancellation: Cancellation
// MARK: - Initialization
override private init() {
super.init()
accountKit = AKFAccountKit(responseType: .accessToken)
}
// MARK: - Login
func login(withType type: LoginType, fromController controller: UIViewController, _ success: Success, _ failure: Failure, _ cancellation: Cancellation) {
self.loginType = type
self.success = success
self.failure = failure
self.cancellation = cancellation
let state = UUID().uuidString
var viewController: UIViewController? = nil
switch type {
case .email:
viewController = accountKit.viewControllerForEmailLogin(withEmail: nil, state: state)
case .phoneNumber:
viewController = accountKit.viewControllerForPhoneLogin(with: nil, state: state)
default:
let error = NSError(domain: "AccountKitManager", code: 1, userInfo: ["description": "Unknown login type",
"localizedDescription": "Unknown login type"])
failure?(error)
}
if viewController != nil {
if let akViewController = viewController as? AKFViewController {
akViewController.delegate = self
controller.present(viewController!, animated: true, completion: nil)
}
}
}
// MARK: - Request Account
func requestAccount(_ success: AccountSuccess, _ failure: Failure) {
accountKit.requestAccount { (account, error) in
if error != nil {
failure?(error)
}
else {
if let a = account {
var email: String?
var phone: String?
if let e = a.emailAddress {
email = e
}
if let phoneNumber = a.phoneNumber {
phone = phoneNumber.stringRepresentation()
}
success?(a.accountID, email, phone)
}
else {
failure?(nil)
}
}
}
}
// MARK: - Access Token
func accessToken() -> String? {
guard let accessToken = accountKit.currentAccessToken else {
return nil
}
return accessToken.tokenString
}
func hasAccessToken() -> Bool {
return accountKit.currentAccessToken != nil
}
// MARK: - Logout
func logout() {
NotificationCenter.default.post(name: NSNotification.Name(rawValue: SwiftyAccountKit.didUserLogoutNotification), object: nil)
accountKit.logOut()
}
}
extension SwiftyAccountKit: AKFViewControllerDelegate {
func viewController(_ viewController: UIViewController!, didCompleteLoginWith accessToken: AKFAccessToken!, state: String!) {
success?(loginType)
}
func viewController(_ viewController: UIViewController!, didFailWithError error: Error!) {
failure?(error)
}
func viewControllerDidCancel(_ viewController: UIViewController!) {
cancellation?()
}
}
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