Projektdateien hinzufügen.

Webshop.Domain/Entities/Discount.cs

@@ -0,0 +1,55 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+
+namespace Webshop.Domain.Entities;
+
+/// <summary>
+/// Verwaltung von Rabatten auf Produkte oder Kategorien.
+/// </summary>
+public class Discount
+{
+    [Key]
+    public Guid Id { get; set; }
+
+    [Required]
+    [MaxLength(255)]
+    public string Name { get; set; }
+
+    [Required]
+    [MaxLength(50)]
+    public string DiscountType { get; set; } // "Percentage", "FixedAmount"
+
+    // Precision wird via Fluent API konfiguriert
+    [Required]
+    public decimal DiscountValue { get; set; }
+
+    [Required]
+    public DateTimeOffset StartDate { get; set; }
+
+    public DateTimeOffset? EndDate { get; set; }
+
+    [Required]
+    public bool IsActive { get; set; }
+
+    [Required]
+    public bool RequiresCouponCode { get; set; }
+
+    // Unique-Constraint wird via Fluent API konfiguriert
+    [MaxLength(50)]
+    public string? CouponCode { get; set; }
+
+    public decimal? MinimumOrderAmount { get; set; }
+
+    public int? MaximumUsageCount { get; set; }
+
+    [Required]
+    public int CurrentUsageCount { get; set; }
+
+    [MaxLength(1000)]
+    public string? Description { get; set; }
+
+    // Navigation Properties
+    public virtual ICollection<ProductDiscount> ProductDiscounts { get; set; } = new List<ProductDiscount>();
+    public virtual ICollection<CategoryDiscount> CategoryDiscounts { get; set; } = new List<CategoryDiscount>();
+}