127 lines
4.2 KiB
Swift
127 lines
4.2 KiB
Swift
//
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// ViewController.swift
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// FitKit
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//
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// Created by Ian Fijolek on 1/6/18.
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// Copyright © 2018 iamthefij. All rights reserved.
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//
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import Alamofire
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import HealthKit
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import UIKit
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class ViewController: UIViewController {
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@IBOutlet var loggedIn: UILabel!
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@IBOutlet var outputText: UITextView!
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@IBOutlet var logInButton: UIBarButtonItem!
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let client = FitbitClient()
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override func viewDidLoad() {
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super.viewDidLoad()
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// Do any additional setup after loading the view, typically from a nib.
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updateAuthorizedLabel()
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}
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override func viewDidAppear(_ animated: Bool) {
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ensureAuthorized(callback: self.updateView)
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}
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override func didReceiveMemoryWarning() {
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super.didReceiveMemoryWarning()
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// Dispose of any resources that can be recreated.
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}
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fileprivate func updateAuthorizedLabel() {
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DispatchQueue.main.async {
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if self.client.isAuthorized() {
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self.loggedIn.text = "Logged In"
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self.logInButton.title = "Log Out"
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} else {
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self.loggedIn.text = "Not Logged In"
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self.logInButton.title = "Log In"
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}
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}
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}
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@IBAction func logOut(_ sender: Any) {
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NSLog("Log out!!!")
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self.client.clearCredential()
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self.updateAuthorizedLabel()
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}
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@IBAction func syncNow(_ sender: Any) {
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NSLog("Sync button tapped")
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self.syncWeights()
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}
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/// Ensure that the client is authorized and then continue
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fileprivate func ensureAuthorized(callback: @escaping (Bool) -> Void) {
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// If already authroized, we can short circuit
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if self.client.isAuthorized() {
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callback(true)
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return
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}
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// Authorize the client
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self.client.authorize(viewController: self) {
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scope, error in
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if error != nil {
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NSLog("Error encountered when attempting authorization: \(error.debugDescription)")
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}
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guard let scope = scope else {
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NSLog("Did not retreive any authorized scope")
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callback(false)
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return
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}
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NSLog("Authorized for scope: \(scope). Requesting HealthKit access")
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HealthKitHelper.authorizeHealthKit() {
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result, error in
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// TODO: Enforce that access was provided or display an error
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NSLog("Error authing HealthKit: \(error.debugDescription)")
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callback(result)
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}
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}
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}
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fileprivate func updateView(authSuccess: Bool) {
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self.updateAuthorizedLabel()
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if authSuccess {
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self.syncWeights()
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} else {
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self.outputText.text = "Error connecting to Fitbit or authorizing"
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}
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}
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/// Synchronizes weights from Fitbit to HealthKit
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func syncWeights() {
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let today = Date()
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let lastMonth = Calendar.current.date(byAdding: .day, value: -31, to: today)!
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self.client.getWeight(start: lastMonth, end: today) {
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response in FitbitClient.weightResponseHandler(response: response) {
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fbWeights, error in
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if let error = error {
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NSLog("Unable to get weights: \(error.localizedDescription)")
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if let error = error as? AFError {
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if let suggestion = error.recoverySuggestion {
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NSLog("Suggestion to resolve: \(suggestion)")
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}
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if error.responseCode == 401 {
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NSLog("Unauthorized. Clearing credentials")
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self.client.clearCredential()
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}
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}
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self.outputText.text = "Error getting weights"
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return
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}
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if let fbWeights = fbWeights {
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for fbWeight in fbWeights {
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NSLog("Got Weight with ID: \(fbWeight.logId)")
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HealthKitHelper.maybeSaveSample(fbWeight, callback: {_,_ in})
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}
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self.outputText.text = "Health data is synced"
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}
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}
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}
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}
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}
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