play with storing valueobjects

PracticeCalendar.Domain/Entities/Product/Product.cs

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+using PracticeCalendar.Domain.Common;
+using PracticeCalendar.Domain.Common.Interfaces;
+using PracticeCalendar.Domain.ValueObjects;
+
+namespace PracticeCalendar.Domain.Entities.Product
+{
+    public class Product : EntityBase, IAggregateRoot
+    {
+        public string Name { get; set; } = string.Empty;
+        public string Category { get; set; } = string.Empty;
+        public Price UnitPrice { get; set; } = Price.Empty;
+    }
+}

PracticeCalendar.Domain/Entities/Product/Specifications/AllProductsSpecification.cs

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+using Ardalis.Specification;
+
+namespace PracticeCalendar.Domain.Entities.Product.Specifications
+{
+    public class AllProductsSpecification : Specification<Product>
+    {
+        public AllProductsSpecification()
+        {
+            Query.AsNoTracking();
+        }
+    }
+}