Add chapter 10 sample project

Chapter10/TemplateStudioSampleApp.Core/Models/SampleCompany.cs

@@ -0,0 +1,60 @@
+namespace TemplateStudioSampleApp.Core.Models;
+
+// Model for the SampleDataService. Replace with your own model.
+public class SampleCompany
+{
+    public string CompanyID
+    {
+        get; set;
+    }
+
+    public string CompanyName
+    {
+        get; set;
+    }
+
+    public string ContactName
+    {
+        get; set;
+    }
+
+    public string ContactTitle
+    {
+        get; set;
+    }
+
+    public string Address
+    {
+        get; set;
+    }
+
+    public string City
+    {
+        get; set;
+    }
+
+    public string PostalCode
+    {
+        get; set;
+    }
+
+    public string Country
+    {
+        get; set;
+    }
+
+    public string Phone
+    {
+        get; set;
+    }
+
+    public string Fax
+    {
+        get; set;
+    }
+
+    public ICollection<SampleOrder> Orders
+    {
+        get; set;
+    }
+}

Chapter10/TemplateStudioSampleApp.Core/Models/SampleOrder.cs

@@ -0,0 +1,81 @@
+namespace TemplateStudioSampleApp.Core.Models;
+
+// Model for the SampleDataService. Replace with your own model.
+public class SampleOrder
+{
+    public long OrderID
+    {
+        get; set;
+    }
+
+    public DateTime OrderDate
+    {
+        get; set;
+    }
+
+    public DateTime RequiredDate
+    {
+        get; set;
+    }
+
+    public DateTime ShippedDate
+    {
+        get; set;
+    }
+
+    public string ShipperName
+    {
+        get; set;
+    }
+
+    public string ShipperPhone
+    {
+        get; set;
+    }
+
+    public double Freight
+    {
+        get; set;
+    }
+
+    public string Company
+    {
+        get; set;
+    }
+
+    public string ShipTo
+    {
+        get; set;
+    }
+
+    public double OrderTotal
+    {
+        get; set;
+    }
+
+    public string Status
+    {
+        get; set;
+    }
+
+    public int SymbolCode
+    {
+        get; set;
+    }
+
+    public string SymbolName
+    {
+        get; set;
+    }
+
+    public char Symbol => (char)SymbolCode;
+
+    public ICollection<SampleOrderDetail> Details
+    {
+        get; set;
+    }
+
+    public string ShortDescription => $"Order ID: {OrderID}";
+
+    public override string ToString() => $"{Company} {Status}";
+}

Chapter10/TemplateStudioSampleApp.Core/Models/SampleOrderDetail.cs

@@ -0,0 +1,52 @@
+namespace TemplateStudioSampleApp.Core.Models;
+
+// Model for the SampleDataService. Replace with your own model.
+public class SampleOrderDetail
+{
+    public long ProductID
+    {
+        get; set;
+    }
+
+    public string ProductName
+    {
+        get; set;
+    }
+
+    public int Quantity
+    {
+        get; set;
+    }
+
+    public double Discount
+    {
+        get; set;
+    }
+
+    public string QuantityPerUnit
+    {
+        get; set;
+    }
+
+    public double UnitPrice
+    {
+        get; set;
+    }
+
+    public string CategoryName
+    {
+        get; set;
+    }
+
+    public string CategoryDescription
+    {
+        get; set;
+    }
+
+    public double Total
+    {
+        get; set;
+    }
+
+    public string ShortDescription => $"Product ID: {ProductID} - {ProductName}";
+}