Added tutorial 6

DuckModel/DecoyDuck.cs

@@ -6,14 +6,14 @@ using System.Threading.Tasks;
 
 namespace DuckModel
 {
-    class DecoyDuck : DuckBehaviour
+    public class DecoyDuck : DuckBehaviour
     {
         public override void Display()
         {
-            Console.WriteLine("drew a decoy duck");
+            Console.WriteLine("I am a decoy duck");
         }
 
-        DecoyDuck()
+        public DecoyDuck()
         {
             base.SetFlyBehaviour(new NoFly());
             base.SetQuackBehaviour(new MuteQuack());

DuckModel/DuckBehaviours.cs

@@ -8,12 +8,12 @@ namespace DuckModel
 {
     public interface IFlyBehaviour
     {
-        void Fly();
+        string Fly();
     }
     
     public interface IQuackBehaviour
     {
-        void Quack();
+        string Quack();
     }
     public abstract class DuckBehaviour
     {
@@ -27,14 +27,14 @@ namespace DuckModel
 
         public abstract void Display();
 
-        void PerformQuack()
+        public string PerformQuack()
         {
-            _quackBehaviour.Quack();
+            return _quackBehaviour.Quack();
         }
 
-        void PerformFly()
+        public string PerformFly()
         {
-            _flyBehaviour.Fly();
+            return _flyBehaviour.Fly();
         }
 
         protected void SetFlyBehaviour(IFlyBehaviour flyBehaviour)
@@ -50,41 +50,41 @@ namespace DuckModel
 
     class Quack : IQuackBehaviour
     {
-        void IQuackBehaviour.Quack()
+        string IQuackBehaviour.Quack()
         {
-            Console.WriteLine("The duck quacks");
+            return "The duck quacks";
         }
     }
 
     class Squeak : IQuackBehaviour
     {
-        void IQuackBehaviour.Quack()
+        string IQuackBehaviour.Quack()
         {
-            Console.WriteLine("The duck squeaks");
+            return "The duck squeaks";
         }
     }
 
     class MuteQuack : IQuackBehaviour
     {
-        void IQuackBehaviour.Quack()
+        string IQuackBehaviour.Quack()
         {
-            Console.WriteLine("The duck makes no sound");
+            return "The duck makes no sound";
         }
     }
 
     class FlyWithWings : IFlyBehaviour
     {
-        public void Fly()
+        public string Fly()
         {
-            Console.WriteLine("The duck flies away");
+            return "I can fly with my wings";
         }
     }
 
     class NoFly : IFlyBehaviour
     {
-        public void Fly()
+        public string Fly()
         {
-            Console.WriteLine("The duck cannot fly");
+            return  "I cannot fly";
         }
     }
 }

DuckModel/DuckModel.csproj

@@ -41,6 +41,7 @@
     <Reference Include="System.Xml" />
   </ItemGroup>
   <ItemGroup>
+    <Compile Include="DuckTypes.cs" />
     <Compile Include="DuckBehaviours.cs" />
     <Compile Include="DecoyDuck.cs" />
     <Compile Include="RubberDucky.cs" />

DuckModel/DuckTypes.cs

@@ -0,0 +1,17 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DuckModel
+{
+    public enum DuckTypes
+    {
+        Mallard,
+        Redhead,
+        Rubber,
+        Decoy,
+        Default
+    }
+}

DuckModel/MallardDuck.cs

@@ -6,14 +6,14 @@ using System.Threading.Tasks;
 
 namespace DuckModel
 {
-    class MallardDuck : DuckBehaviour
+    public class MallardDuck : DuckBehaviour
     {
         public override void Display()
         {
-            Console.WriteLine("drew a Mallard duck");
+            Console.WriteLine("I am a Mallard duck");
         }
 
-        MallardDuck()
+        public MallardDuck()
         {
             base.SetFlyBehaviour(new FlyWithWings());
             base.SetQuackBehaviour(new Quack());

DuckModel/RedheadDuck.cs

@@ -6,14 +6,14 @@ using System.Threading.Tasks;
 
 namespace DuckModel
 {
-    class RedheadDuck : DuckBehaviour
+    public class RedheadDuck : DuckBehaviour
     {
         public override void Display()
         {
-            Console.WriteLine("drew a Redhead duck");
+            Console.WriteLine("I am a Redhead duck");
         }
 
-        RedheadDuck()
+        public RedheadDuck()
         {
             base.SetFlyBehaviour(new FlyWithWings());
             base.SetQuackBehaviour(new Quack());

DuckModel/RubberDucky.cs

@@ -6,14 +6,14 @@ using System.Threading.Tasks;
 
 namespace DuckModel
 {
-    class RubberDucky : DuckBehaviour
+    public class RubberDucky : DuckBehaviour
     {
         public override void Display()
         {
-            Console.WriteLine("drew a Rubber ducky");
+            Console.WriteLine("I am a Rubber ducky");
         }
 
-        RubberDucky()
+        public RubberDucky()
         {
             base.SetFlyBehaviour(new NoFly());
             base.SetQuackBehaviour(new Squeak());