Listviews of Products and users

AdventureWorks.ViewModelLayer/ViewModelClasses/ProductViewModel.cs

@@ -0,0 +1,91 @@
+using AdventureWorks.EntityLayer;
+using Common.Library;
+using System.Collections.ObjectModel;
+
+namespace AdventureWorks.ViewModelLayer.ViewModelClasses;
+
+public class ProductViewModel : ViewModelBase
+{
+    #region Constructors
+    public ProductViewModel() : base()
+    {
+    }
+    public ProductViewModel(IRepository<Product> repo) : base()
+    {
+        Repository = repo;
+    }
+    #endregion
+
+    #region Private Variables
+    private Product? _ProductObject = new();
+    private ObservableCollection<Product> _ProductList = new();
+    private readonly IRepository<Product>? Repository;
+    #endregion
+
+    #region Public Properties
+    public Product? ProductObject
+    {
+        get { return _ProductObject; }
+        set
+        {
+            _ProductObject = value;
+            RaisePropertyChanged(nameof(ProductObject));
+        }
+    }
+    public ObservableCollection<Product> ProductList
+    {
+        get { return _ProductList; }
+        set
+        {
+            _ProductList = value;
+            RaisePropertyChanged(nameof(ProductList));
+        }
+    }
+    #endregion
+
+    public ObservableCollection<Product> Get()
+    {
+        if (Repository != null)
+        {
+            ProductList = new ObservableCollection<Product>(Repository.Get());
+        }
+        return ProductList;
+    }
+
+    public Product Get(int id)
+    {
+        try
+        {
+            if (Repository != null)
+            {
+                ProductObject = Repository.Get(id);
+            }
+            else
+            {
+                ProductObject = new Product
+                {
+                    ProductID = id,
+                    Name = "A new product",
+                    Color = "Black",
+                    StandardCost = 10,
+                    ListPrice = 20,
+                    SellStartDate = Convert.ToDateTime("2020-10-15"),
+                    Size = "LG"
+                };
+            }
+
+        }
+        catch (Exception)
+        {
+
+            throw;
+        }
+        return ProductObject;
+    }
+
+    public bool Save()
+    {
+        throw new NotImplementedException("Save method is not implemented yet.");
+    }
+
+}