Projektdateien hinzufügen.

Webshop.Domain/Entities/OrderItem.cs

@@ -0,0 +1,47 @@
+using System;
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace Webshop.Domain.Entities;
+
+/// <summary>
+/// Die einzelnen Artikel innerhalb einer Bestellung.
+/// </summary>
+public class OrderItem
+{
+    [Key]
+    public Guid Id { get; set; }
+
+    [Required]
+    [ForeignKey(nameof(Order))]
+    public Guid OrderId { get; set; }
+
+    [ForeignKey(nameof(Product))]
+    public Guid? ProductId { get; set; }
+
+    [ForeignKey(nameof(ProductVariant))]
+    public Guid? ProductVariantId { get; set; }
+
+    [Required]
+    [MaxLength(255)]
+    public string ProductName { get; set; } // Snapshot
+
+    [Required]
+    [MaxLength(50)]
+    public string ProductSKU { get; set; } // Snapshot
+
+    [Required]
+    public int Quantity { get; set; }
+
+    // Precision wird via Fluent API konfiguriert
+    [Required]
+    public decimal UnitPrice { get; set; }
+
+    [Required]
+    public decimal TotalPrice { get; set; }
+
+    // Navigation Properties
+    public virtual Order Order { get; set; }
+    public virtual Product? Product { get; set; }
+    public virtual ProductVariant? ProductVariant { get; set; }
+}