From cac0959fe73f74d2d0759e409771d1887b6f5fb9 Mon Sep 17 00:00:00 2001
From: Lorenz Stechauner <lorenz.stechauner@necronda.net>
Date: Wed, 27 Mar 2024 16:04:47 +0100
Subject: [PATCH] Models: Add IDelivery for DeliveryParts

---
 Elwig/Helpers/Utils.cs                | 3 ++-
 Elwig/Models/Entities/DeliveryPart.cs | 2 +-
 Elwig/Models/IDelivery.cs             | 7 +++++++
 3 files changed, 10 insertions(+), 2 deletions(-)
 create mode 100644 Elwig/Models/IDelivery.cs

diff --git a/Elwig/Helpers/Utils.cs b/Elwig/Helpers/Utils.cs
index 2c5fd27..f9a8fe0 100644
--- a/Elwig/Helpers/Utils.cs
+++ b/Elwig/Helpers/Utils.cs
@@ -26,6 +26,7 @@ using MimeKit;
 using System.Windows.Input;
 using LinqKit;
 using System.Linq.Expressions;
+using Elwig.Models;
 
 namespace Elwig.Helpers {
     public static partial class Utils {
@@ -326,7 +327,7 @@ namespace Elwig.Helpers {
                 > 0 => "+",
             };
 
-        public static double AggregateDeliveryPartsKmw(IEnumerable<DeliveryPart> parts)
+        public static double AggregateDeliveryPartsKmw(IEnumerable<IDelivery> parts)
             => parts.Aggregate(
                 (Weight: 0, Kmw: 0.0),
                 (sum, item) => (
diff --git a/Elwig/Models/Entities/DeliveryPart.cs b/Elwig/Models/Entities/DeliveryPart.cs
index 8510ba7..9d7f7b9 100644
--- a/Elwig/Models/Entities/DeliveryPart.cs
+++ b/Elwig/Models/Entities/DeliveryPart.cs
@@ -6,7 +6,7 @@ using System.Linq;
 
 namespace Elwig.Models.Entities {
     [Table("delivery_part"), PrimaryKey("Year", "DId", "DPNr")]
-    public class DeliveryPart {
+    public class DeliveryPart : IDelivery {
         [Column("year")]
         public int Year { get; set; }
 
diff --git a/Elwig/Models/IDelivery.cs b/Elwig/Models/IDelivery.cs
new file mode 100644
index 0000000..a076766
--- /dev/null
+++ b/Elwig/Models/IDelivery.cs
@@ -0,0 +1,7 @@
+namespace Elwig.Models {
+    public interface IDelivery {
+        int Weight { get; }
+        double Kmw { get; }
+        double Oe { get; }
+    }
+}