RepositoryModel implemented

H_PLUS_Sports/Contracts/IOrderRepository.cs

@@ -0,0 +1,21 @@
+using H_Plus_Sports.Models;
+using System.Collections.Generic;
+using System.Threading.Tasks;
+
+namespace H_Plus_Sports.Contracts
+{
+    public interface IOrderRepository
+    {
+        Task<Order> Add(Order item);
+
+        IEnumerable<Order> GetAll();
+
+        Task<Order> Find(int id);
+
+        Task<Order> Remove(int id);
+
+        Task<Order> Update(Order item);
+
+        Task<bool> Exists(int id);
+    }
+}