generated password history page

src/App/Pages/Generator/GeneratorHistoryPageViewModel.cs

@@ -0,0 +1,58 @@
+using Bit.App.Resources;
+using Bit.Core.Abstractions;
+using Bit.Core.Models.Domain;
+using Bit.Core.Utilities;
+using System.Collections.Generic;
+using System.Threading.Tasks;
+using Xamarin.Forms;
+
+namespace Bit.App.Pages
+{
+    public class GeneratorHistoryPageViewModel : BaseViewModel
+    {
+        private readonly IPlatformUtilsService _platformUtilsService;
+        private readonly IPasswordGenerationService _passwordGenerationService;
+
+        private bool _showNoData;
+
+        public GeneratorHistoryPageViewModel()
+        {
+            _platformUtilsService = ServiceContainer.Resolve<IPlatformUtilsService>("platformUtilsService");
+            _passwordGenerationService = ServiceContainer.Resolve<IPasswordGenerationService>(
+                "passwordGenerationService");
+
+            PageTitle = AppResources.PasswordHistory;
+            History = new ExtendedObservableCollection<GeneratedPasswordHistory>();
+            CopyCommand = new Command<GeneratedPasswordHistory>(CopyAsync);
+        }
+
+        public Command CopyCommand { get; set; }
+        public ExtendedObservableCollection<GeneratedPasswordHistory> History { get; set; }
+
+        public bool ShowNoData
+        {
+            get => _showNoData;
+            set => SetProperty(ref _showNoData, value);
+        }
+
+        public async Task InitAsync()
+        {
+            var history = await _passwordGenerationService.GetHistoryAsync();
+            History.ResetWithRange(history ?? new List<GeneratedPasswordHistory>());
+            ShowNoData = History.Count == 0;
+        }
+
+        public async Task ClearAsync()
+        {
+            History.ResetWithRange(new List<GeneratedPasswordHistory>());
+            await _passwordGenerationService.ClearAsync();
+        }
+
+        private async void CopyAsync(GeneratedPasswordHistory ph)
+        {
+            await _platformUtilsService.CopyToClipboardAsync(ph.Password);
+            _platformUtilsService.ShowToast("info", null,
+                string.Format(AppResources.ValueHasBeenCopied, AppResources.Password));
+        }
+    }
+}