vault groupings page list view stubbed

src/App/Pages/VaultGroupingsPageViewModel.cs

@@ -1,14 +1,93 @@
-using System;
+using Bit.Core.Models.View;
+using Bit.Core.Utilities;
 using System.Collections.Generic;
-using System.Text;
+using System.Threading.Tasks;
+using Xamarin.Forms;
 
 namespace Bit.App.Pages
 {
     public class VaultGroupingsPageViewModel : BaseViewModel
     {
+        private bool _loading = false;
+
         public VaultGroupingsPageViewModel()
         {
             PageTitle = "My Vault";
+            Items = new ExtendedObservableCollection<VaultGroupingsPageListItem>();
+            LoadCommand = new Command(async () => await LoadAsync());
+        }
+
+        public bool Loading
+        {
+            get => _loading;
+            set => SetProperty(ref _loading, value);
+        }
+        public ExtendedObservableCollection<VaultGroupingsPageListItem> Items { get; set; }
+        public Command LoadCommand { get; set; }
+
+        public Task LoadAsync()
+        {
+            if(Loading)
+            {
+                return Task.FromResult(0);
+            }
+            Loading = true;
+
+            try
+            {
+                Items.ResetWithRange(new List<VaultGroupingsPageListItem>
+                {
+                    new VaultGroupingsPageListItem
+                    {
+                        Cipher = new CipherView { Name = "Cipher 1" }
+                    },
+                    new VaultGroupingsPageListItem
+                    {
+                        Cipher = new CipherView { Name = "Cipher 2" }
+                    },
+                    new VaultGroupingsPageListItem
+                    {
+                        Cipher = new CipherView { Name = "Cipher 3" }
+                    },
+                    new VaultGroupingsPageListItem
+                    {
+                        Cipher = new CipherView { Name = "Cipher 4" }
+                    },
+                    new VaultGroupingsPageListItem
+                    {
+                        Folder = new FolderView { Name = "Folder 1" }
+                    },
+                    new VaultGroupingsPageListItem
+                    {
+                        Folder = new FolderView { Name = "Folder 2" }
+                    },
+                    new VaultGroupingsPageListItem
+                    {
+                        Folder = new FolderView { Name = "Folder 3" }
+                    },
+                    new VaultGroupingsPageListItem
+                    {
+                        Collection = new Core.Models.View.CollectionView { Name = "Collection 1" }
+                    },
+                    new VaultGroupingsPageListItem
+                    {
+                        Collection = new Core.Models.View.CollectionView { Name = "Collection 2" }
+                    },
+                });
+            }
+            finally
+            {
+                Loading = false;
+            }
+
+            return Task.FromResult(0);
         }
     }
+
+    public class VaultGroupingsPageListItem
+    {
+        public FolderView Folder { get; set; }
+        public Core.Models.View.CollectionView Collection { get; set; }
+        public CipherView Cipher { get; set; }
+    }
 }