PM-3349 PM-3350 MAUI Migration Initial

src/Core/Pages/Vault/CipherSelectionPageViewModel.cs

@@ -0,0 +1,169 @@
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using System.Windows.Input;
+using Bit.App.Abstractions;
+using Bit.App.Controls;
+using Bit.App.Models;
+using Bit.Core.Resources.Localization;
+using Bit.App.Utilities;
+using Bit.Core;
+using Bit.Core.Abstractions;
+using Bit.Core.Models.View;
+using Bit.Core.Utilities;
+
+using Microsoft.Maui.Controls;
+using Microsoft.Maui;
+
+namespace Bit.App.Pages
+{
+    public abstract class CipherSelectionPageViewModel : BaseViewModel
+    {
+        protected readonly IPlatformUtilsService _platformUtilsService;
+        protected readonly IDeviceActionService _deviceActionService;
+        protected readonly IAutofillHandler _autofillHandler;
+        protected readonly ICipherService _cipherService;
+        protected readonly IStateService _stateService;
+        protected readonly IPasswordRepromptService _passwordRepromptService;
+        protected readonly IMessagingService _messagingService;
+        protected readonly ILogger _logger;
+
+        protected bool _showNoData;
+        protected bool _showList;
+        protected string _noDataText;
+        protected bool _websiteIconsEnabled;
+
+        public CipherSelectionPageViewModel()
+        {
+            _platformUtilsService = ServiceContainer.Resolve<IPlatformUtilsService>();
+            _cipherService = ServiceContainer.Resolve<ICipherService>();
+            _deviceActionService = ServiceContainer.Resolve<IDeviceActionService>();
+            _autofillHandler = ServiceContainer.Resolve<IAutofillHandler>();
+            _stateService = ServiceContainer.Resolve<IStateService>();
+            _passwordRepromptService = ServiceContainer.Resolve<IPasswordRepromptService>();
+            _messagingService = ServiceContainer.Resolve<IMessagingService>();
+            _logger = ServiceContainer.Resolve<ILogger>();
+
+            GroupedItems = new ObservableRangeCollection<IGroupingsPageListItem>();
+            CipherOptionsCommand = new AsyncCommand<CipherView>(cipher => AppHelpers.CipherListOptions(Page, cipher, _passwordRepromptService),
+                onException: ex => HandleException(ex),
+                allowsMultipleExecutions: false);
+            SelectCipherCommand = new AsyncCommand<IGroupingsPageListItem>(SelectCipherAsync,
+                onException: ex => HandleException(ex),
+                allowsMultipleExecutions: false);
+            AddCipherCommand = new AsyncCommand(AddCipherAsync,
+                onException: ex => HandleException(ex),
+                allowsMultipleExecutions: false);
+
+            AccountSwitchingOverlayViewModel = new AccountSwitchingOverlayViewModel(_stateService, _messagingService, _logger)
+            {
+                AllowAddAccountRow = false
+            };
+        }
+
+        public string Name { get; set; }
+        public bool LoadedOnce { get; set; }
+        public ObservableRangeCollection<IGroupingsPageListItem> GroupedItems { get; set; }
+        public AccountSwitchingOverlayViewModel AccountSwitchingOverlayViewModel { get; }
+
+        public ICommand CipherOptionsCommand { get; set; }
+        public ICommand SelectCipherCommand { get; set; }
+        public ICommand AddCipherCommand { get; set; }
+
+        public bool ShowNoData
+        {
+            get => _showNoData;
+            set => SetProperty(ref _showNoData, value, additionalPropertyNames: new string[] { nameof(ShowCallout) });
+        }
+
+        public bool ShowList
+        {
+            get => _showList;
+            set => SetProperty(ref _showList, value);
+        }
+
+        public string NoDataText
+        {
+            get => _noDataText;
+            set => SetProperty(ref _noDataText, value);
+        }
+
+        public bool WebsiteIconsEnabled
+        {
+            get => _websiteIconsEnabled;
+            set => SetProperty(ref _websiteIconsEnabled, value);
+        }
+
+        public virtual bool ShowCallout => false;
+
+        public abstract void Init(Models.AppOptions options);
+
+        public async Task LoadAsync()
+        {
+            LoadedOnce = true;
+            ShowList = false;
+            ShowNoData = false;
+            WebsiteIconsEnabled = !(await _stateService.GetDisableFaviconAsync()).GetValueOrDefault();
+
+            var groupedItems = await LoadGroupedItemsAsync();
+
+            // TODO: refactor this
+            // TODO Xamarin.Forms.Device.RuntimePlatform is no longer supported. Use Microsoft.Maui.Devices.DeviceInfo.Platform instead. For more details see https://learn.microsoft.com/en-us/dotnet/maui/migration/forms-projects#device-changes
+                        if (Device.RuntimePlatform == Device.Android
+                ||
+                GroupedItems.Any())
+            {
+                var items = new List<IGroupingsPageListItem>();
+                foreach (var itemGroup in groupedItems)
+                {
+                    items.Add(new GroupingsPageHeaderListItem(itemGroup.Name, itemGroup.ItemCount));
+                    items.AddRange(itemGroup);
+                }
+
+                GroupedItems.ReplaceRange(items);
+            }
+            else
+            {
+                // HACK: we need this on iOS, so that it doesn't crash when adding coming from an empty list
+                var first = true;
+                var items = new List<IGroupingsPageListItem>();
+                foreach (var itemGroup in groupedItems)
+                {
+                    if (!first)
+                    {
+                        items.Add(new GroupingsPageHeaderListItem(itemGroup.Name, itemGroup.ItemCount));
+                    }
+                    else
+                    {
+                        first = false;
+                    }
+                    items.AddRange(itemGroup);
+                }
+
+                await Device.InvokeOnMainThreadAsync(() =>
+                {
+                    if (groupedItems.Any())
+                    {
+                        GroupedItems.ReplaceRange(new List<IGroupingsPageListItem> { new GroupingsPageHeaderListItem(groupedItems[0].Name, groupedItems[0].ItemCount) });
+                        GroupedItems.AddRange(items);
+                    }
+                    else
+                    {
+                        GroupedItems.Clear();
+                    }
+                });
+            }
+            await Device.InvokeOnMainThreadAsync(() =>
+            {
+                ShowList = groupedItems.Any();
+                ShowNoData = !ShowList;
+            });
+        }
+
+        protected abstract Task<List<GroupingsPageListGroup>> LoadGroupedItemsAsync();
+
+        protected abstract Task SelectCipherAsync(IGroupingsPageListItem item);
+
+        protected abstract Task AddCipherAsync();
+    }
+}