Update TimeClock Page and PageModel to finish page functionality

Author: LetsCreateSeries

TimeTrackerTutorial/PageModels/Base/PageModelLocator.cs

@@ -29,7 +29,7 @@ static PageModelLocator()
 
             // Register Services (registerd as Singletons by default)
             _container.Register<INavigationService, NavigationService>();
-            _container.Register<IAccountService, AccountService>();
+            _container.Register<IAccountService, MockAccountService>();
         }
 
         /// <summary>

TimeTrackerTutorial/PageModels/TimeClockPageModel.cs

@@ -3,8 +3,10 @@
 using System.Collections.ObjectModel;
 using System.Text;
 using System.Threading.Tasks;
+using System.Timers;
 using TimeTrackerTutorial.Models;
 using TimeTrackerTutorial.PageModels.Base;
+using TimeTrackerTutorial.Services.Account;
 using TimeTrackerTutorial.ViewModels.Buttons;
 
 namespace TimeTrackerTutorial.PageModels
@@ -32,7 +34,6 @@ public DateTime CurrentStartTime
             set => SetProperty(ref _currentStartTime, value);
         }
 
-        ObservableCollection<WorkItem> _workItems;
         public ObservableCollection<WorkItem> WorkItems
         {
             get => _workItems;
@@ -53,22 +54,41 @@ public ButtonModel ClockInOutButtonModel
             set => SetProperty(ref _clockInOutButtonModel, value);
         }
 
-        public TimeClockPageModel()
+        private Timer _timer;
+        private ObservableCollection<WorkItem> _workItems;
+        private IAccountService _accountService;
+        private double _hourlyRate;
+
+        public TimeClockPageModel(IAccountService accountService)
         {
+            _accountService = accountService;
             WorkItems = new ObservableCollection<WorkItem>();
             ClockInOutButtonModel = new ButtonModel("Clock In", OnClockInOutAction);
+            _timer = new Timer();
+            _timer.Interval = 1000;
+            _timer.Enabled = false;
+            _timer.Elapsed += _timer_Elapsed;
+        }
+
+        private void _timer_Elapsed(object sender, ElapsedEventArgs e)
+        {
+            RunningTotal += TimeSpan.FromSeconds(1);
         }
 
-        public override Task InitializeAsync(object navigationData)
+        public override async Task InitializeAsync(object navigationData)
         {
             RunningTotal = new TimeSpan();
-            return base.InitializeAsync(navigationData);
+            _hourlyRate = await _accountService.GetCurrentPayRateAsync();
+            await base.InitializeAsync(navigationData);
         }
 
         private void OnClockInOutAction()
         {
             if (IsClockedIn)
             {
+                _timer.Enabled = false;
+                TodaysEarnings += _hourlyRate * RunningTotal.TotalHours;
+                RunningTotal = TimeSpan.Zero;
                 ClockInOutButtonModel.Text = "Clock In";
                 WorkItems.Insert(0, new WorkItem
                 {
@@ -79,6 +99,7 @@ private void OnClockInOutAction()
             else
             {
                 CurrentStartTime = DateTime.Now;
+                _timer.Enabled = true;
                 ClockInOutButtonModel.Text = "Clock Out";
             }
             IsClockedIn = !IsClockedIn;

TimeTrackerTutorial/Pages/TimeClockPage.xaml

@@ -51,7 +51,7 @@
 
             <StackLayout BackgroundColor="{StaticResource PrimaryHeaderColor}"
                     Padding="10">
-                <Label Text="{Binding TodaysEarnings, StringFormat='Earnings Today: {0}'}"
+                <Label Text="{Binding TodaysEarnings, StringFormat='Earnings Today: {0:C}'}"
                         HorizontalOptions="Center" TextColor="White" />
             </StackLayout>
         </StackLayout>

TimeTrackerTutorial/Services/Account/IAccountService.cs

@@ -8,6 +8,6 @@ namespace TimeTrackerTutorial.Services.Account
     public interface IAccountService
     {
         Task<bool> LoginAsync(string username, string password);
-
+        Task<double> GetCurrentPayRateAsync();
     }
 }

TimeTrackerTutorial/Services/Account/AccountService.cs renamed to TimeTrackerTutorial/Services/Account/MockAccountService.cs

@@ -5,8 +5,13 @@
 
 namespace TimeTrackerTutorial.Services.Account
 {
-    public class AccountService : IAccountService
+    public class MockAccountService : IAccountService
     {
+        public Task<double> GetCurrentPayRateAsync()
+        {
+            return Task.FromResult(10.0);
+        }
+
         public Task<bool> LoginAsync(string username, string password)
         {
             if (string.IsNullOrWhiteSpace(username) || string.IsNullOrWhiteSpace(password))