Projektdateien hinzufügen.

Webshop.Domain/Entities/Customer.cs

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+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+
+namespace Webshop.Domain.Entities;
+
+/// <summary>
+/// Für registrierte Nutzer des Webshops. Dies ist die Schnittstelle zu ASP.NET Core Identity.
+/// </summary>
+public class Customer
+{
+    [Key]
+    public Guid Id { get; set; }
+
+    // Unique-Constraint und Foreign Key werden via Fluent API konfiguriert
+    [Required]
+    [MaxLength(450)]
+    public string AspNetUserId { get; set; }
+
+    [Required]
+    [MaxLength(100)]
+    public string FirstName { get; set; }
+
+    [Required]
+    [MaxLength(100)]
+    public string LastName { get; set; }
+
+    // Unique-Constraint wird von Identity verwaltet
+    [Required]
+    [MaxLength(256)]
+    [EmailAddress]
+    public string Email { get; set; }
+
+    [MaxLength(20)]
+    [Phone]
+    public string? PhoneNumber { get; set; }
+
+    [Required]
+    public DateTimeOffset CreatedDate { get; set; }
+
+    public DateTimeOffset? LastLoginDate { get; set; }
+
+    [Required]
+    public bool IsActive { get; set; }
+
+    // Navigation Properties
+    public virtual ICollection<Address> Addresses { get; set; } = new List<Address>();
+    public virtual ICollection<Order> Orders { get; set; } = new List<Order>();
+    public virtual ICollection<Review> Reviews { get; set; } = new List<Review>();
+}