try

Webshop.Api/Controllers/Customers/ProfileController.cs

@@ -1,15 +1,19 @@
+// src/Webshop.Api/Controllers/Customer/ProfileController.cs
 using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.Mvc;
 using System.Security.Claims;
+using Webshop.Application.DTOs; // CustomerDto
+using Webshop.Application.DTOs.Auth; // ChangePasswordRequestDto
+using Webshop.Application.DTOs.Customers; // UpdateCustomerProfileDto
+using Webshop.Application.Services;
 using System.Threading.Tasks;
-using Webshop.Application.DTOs.Customers;
-using Webshop.Application.Services.Customers.Interfaces;
+using Webshop.Application.Services.Customers;
 
-namespace Webshop.Api.Controllers.Customers
+namespace Webshop.Api.Controllers.Customer
 {
     [ApiController]
-    [Route("api/v1/customer/profile")] // Eindeutige Route f<>r das Profil
-    [Authorize(Roles = "Customer")] // Nur f<>r eingeloggte Kunden!
+    [Route("api/v1/customer/[controller]")] // z.B. /api/v1/customer/profile
+    [Authorize(Roles = "Customer")]
     public class ProfileController : ControllerBase
     {
         private readonly ICustomerService _customerService;
@@ -19,33 +23,49 @@ namespace Webshop.Api.Controllers.Customers
             _customerService = customerService;
         }
 
-        // Hilfsmethode, um die ID des eingeloggten Benutzers aus dem Token zu holen
-        private string GetUserId() => User.FindFirstValue(ClaimTypes.NameIdentifier)!;
-
-        [HttpGet("me")] // GET /api/v1/customer/profile/me
+        [HttpGet("me")] // /api/v1/customer/profile/me
         public async Task<ActionResult<CustomerDto>> GetMyProfile()
         {
-            var userId = GetUserId();
-            var profile = await _customerService.GetMyProfileAsync(userId);
+            var userId = User.FindFirstValue(ClaimTypes.NameIdentifier);
+            if (string.IsNullOrEmpty(userId)) return Unauthorized(new { Message = "Benutzer-ID nicht im Token gefunden." });
 
-            if (profile == null)
-            {
-                return NotFound("Kundenprofil nicht gefunden.");
-            }
-            return Ok(profile);
+            var customerProfile = await _customerService.GetMyProfileAsync(userId);
+            if (customerProfile == null) return NotFound(new { Message = "Kundenprofil nicht gefunden. Bitte erstellen Sie es." });
+
+            return Ok(customerProfile);
         }
 
-        [HttpPut("me")] // PUT /api/v1/customer/profile/me
-        public async Task<IActionResult> UpdateMyProfile([FromBody] UpdateCustomerProfileDto profileDto)
+        [HttpPost("change-password")] // /api/v1/customer/profile/change-password
+        public async Task<IActionResult> ChangePassword([FromBody] ChangePasswordRequestDto request)
         {
-            var userId = GetUserId();
-            var success = await _customerService.UpdateMyProfileAsync(userId, profileDto);
+            if (!ModelState.IsValid) return BadRequest(ModelState);
 
-            if (!success)
+            var userId = User.FindFirstValue(ClaimTypes.NameIdentifier);
+            if (string.IsNullOrEmpty(userId)) return Unauthorized(new { Message = "Benutzer-ID nicht im Token gefunden." });
+
+            var (success, errorMessage) = await _customerService.ChangePasswordAsync(userId, request);
+
+            if (!success) return BadRequest(new { Message = errorMessage });
+
+            return Ok(new { Message = "Passwort erfolgreich ge<67>ndert. Bitte melden Sie sich mit dem neuen Passwort an." });
+        }
+
+        // << NEUER/AKTUALISIERTER ENDPUNKT F<>R PROFIL-AKTUALISIERUNG >>
+        [HttpPost("update-profile")] // /api/v1/customer/profile/update-profile
+        public async Task<IActionResult> UpdateProfile([FromBody] UpdateCustomerProfileDto request)
         {
-                return NotFound("Kundenprofil nicht gefunden.");
-            }
-            return NoContent(); // Standardantwort f<>r ein erfolgreiches Update
+            if (!ModelState.IsValid) return BadRequest(ModelState);
+
+            var userId = User.FindFirstValue(ClaimTypes.NameIdentifier);
+            if (string.IsNullOrEmpty(userId)) return Unauthorized(new { Message = "Benutzer-ID nicht im Token gefunden." });
+
+            var (success, errorMessage) = await _customerService.UpdateMyProfileAsync(userId, request);
+
+            if (!success) return BadRequest(new { Message = errorMessage });
+
+            return Ok(new { Message = "Profil erfolgreich aktualisiert." });
         }
+
+        // << ENTFERNT: UpdateContactInfo Endpoint >>
     }
 }

Webshop.Api/Program.cs

@@ -18,6 +18,7 @@ using Webshop.Application.Services.Admin.Interfaces;
 using Webshop.Application.Services.Public.Interfaces;
 using Webshop.Application.Services.Customers.Interfaces;
 using Webshop.Application.Services.Customers;
+using Webshop.Domain.Identity;
 
 var builder = WebApplication.CreateBuilder(args);
 
@@ -136,6 +137,7 @@ builder.Services.AddSwaggerGen(c =>
 
 var app = builder.Build(); // <-- Hier wird die App gebaut
 
+// OPTIONALE BL<42>CKE F<>R MIGRATION UND BENUTZERINITIALISIERUNG - DIESER CODE WIRD VOR APP.RUN() AUSGEF<45>HRT
 // OPTIONALE BL<42>CKE F<>R MIGRATION UND BENUTZERINITIALISIERUNG - DIESER CODE WIRD VOR APP.RUN() AUSGEF<45>HRT
 using (var scope = app.Services.CreateScope())
 {
@@ -150,7 +152,7 @@ using (var scope = app.Services.CreateScope())
         // Dieser Block erstellt Rollen und initiale Benutzer, falls sie noch nicht existieren.
         // BITTE ENTFERNEN ODER KOMMENTIEREN SIE DIESEN BLOCK AUS, NACHDEM SIE IHRE ERSTEN BENUTZER ERSTELLT HABEN!
         var roleManager = services.GetRequiredService<RoleManager<IdentityRole>>();
-        var userManager = services.GetRequiredService<UserManager<ApplicationUser>>();
+        var userManager = services.GetRequiredService<UserManager<ApplicationUser>>(); // << KORREKT: UserManager f<>r ApplicationUser >>
 
         string[] roleNames = { "Admin", "Customer" };
 
@@ -162,23 +164,39 @@ using (var scope = app.Services.CreateScope())
             }
         }
 
-        // Erstelle einen initialen Admin-Benutzer
-        var adminUser = await userManager.FindByEmailAsync("admin@yourwebshop.com");
+        // Erstelle einen initialen Admin-Benutzer und sein Customer-Profil
+        var adminUser = await userManager.FindByEmailAsync("admin@yourwebshop.com"); // << ANPASSEN >>
         if (adminUser == null)
         {
-            // Erstellen Sie hier eine Instanz von ApplicationUser
-            adminUser = new ApplicationUser
+            adminUser = new ApplicationUser // << KORREKT: ERSTELLT ApplicationUser >>
             {
-                UserName = "admin@yourwebshop.com",
-                Email = "admin@yourwebshop.com",
+                UserName = "admin@yourwebshop.com", // << ANPASSEN >>
+                Email = "admin@yourwebshop.com",    // << ANPASSEN >>
                 EmailConfirmed = true,
-                CreatedDate = DateTimeOffset.UtcNow // Setzen Sie Ihr neues Feld!
+                CreatedDate = DateTimeOffset.UtcNow, // Custom Property auf ApplicationUser
+                LastActive = DateTimeOffset.UtcNow // Custom Property auf ApplicationUser
             };
-            var createAdmin = await userManager.CreateAsync(adminUser, "SecureAdminPass123!");
+            var createAdmin = await userManager.CreateAsync(adminUser, "SecureAdminPass123!"); // << ANPASSEN >>
             if (createAdmin.Succeeded)
             {
                 await userManager.AddToRoleAsync(adminUser, "Admin");
                 Console.WriteLine("Admin user created.");
+
+                // Erstelle Customer-Profil f<>r Admin (falls Admins auch Kundenprofile haben sollen)
+                var adminCustomerProfile = await context.Customers.FirstOrDefaultAsync(c => c.AspNetUserId == adminUser.Id); // << KORREKT: SUCHT NACH AspNetUserId >>
+                if (adminCustomerProfile == null)
+                {
+                    adminCustomerProfile = new Webshop.Domain.Entities.Customer
+                    {
+                        Id = Guid.NewGuid(),
+                        AspNetUserId = adminUser.Id, // << KORREKT: VERKN<4B>PFUNG <20>BER AspNetUserId >>
+                        FirstName = "Admin",
+                        LastName = "User"
+                    };
+                    context.Customers.Add(adminCustomerProfile);
+                    await context.SaveChangesAsync();
+                    Console.WriteLine("Admin's Customer profile created.");
+                }
             }
             else
             {
@@ -186,29 +204,46 @@ using (var scope = app.Services.CreateScope())
             }
         }
 
-        // Erstelle einen initialen Kunden-Benutzer
-        var customerUser = await userManager.FindByEmailAsync("customer@yourwebshop.com");
+        // Erstelle einen initialen Kunden-Benutzer und sein Customer-Profil (KOMBINIERT)
+        var customerUser = await userManager.FindByEmailAsync("customer@yourwebshop.com"); // << ANPASSEN >>
         if (customerUser == null)
         {
-            // Erstellen Sie auch hier eine Instanz von ApplicationUser
-            customerUser = new ApplicationUser
+            customerUser = new ApplicationUser // << KORREKT: ERSTELLT ApplicationUser >>
             {
-                UserName = "customer@yourwebshop.com",
-                Email = "customer@yourwebshop.com",
+                UserName = "customer@yourwebshop.com", // << ANPASSEN >>
+                Email = "customer@yourwebshop.com",    // << ANPASSEN >>
                 EmailConfirmed = true,
-                CreatedDate = DateTimeOffset.UtcNow // Setzen Sie Ihr neues Feld!
+                CreatedDate = DateTimeOffset.UtcNow, // Custom Property auf ApplicationUser
+                LastActive = DateTimeOffset.UtcNow // Custom Property auf ApplicationUser
             };
-            var createCustomer = await userManager.CreateAsync(customerUser, "SecureCustomerPass123!");
+            var createCustomer = await userManager.CreateAsync(customerUser, "SecureCustomerPass123!"); // << ANPASSEN >>
             if (createCustomer.Succeeded)
             {
                 await userManager.AddToRoleAsync(customerUser, "Customer");
                 Console.WriteLine("Customer user created.");
+
+                // Kombinierter Teil: Customer-Profil erstellen, direkt nach IdentityUser-Erstellung
+                var customerProfile = await context.Customers.FirstOrDefaultAsync(c => c.AspNetUserId == customerUser.Id); // << KORREKT: SUCHT NACH AspNetUserId >>
+                if (customerProfile == null)
+                {
+                    customerProfile = new Webshop.Domain.Entities.Customer
+                    {
+                        Id = Guid.NewGuid(),
+                        AspNetUserId = customerUser.Id,
+                        FirstName = "Test",
+                        LastName = "Kunde"
+                    };
+                    context.Customers.Add(customerProfile);
+                    await context.SaveChangesAsync();
+                    Console.WriteLine("Customer profile created for new customer user.");
+                }
             }
             else
             {
                 Console.WriteLine($"Error creating customer user: {string.Join(", ", createCustomer.Errors.Select(e => e.Description))}");
             }
         }
+        // --- ENDE DES TEMPOR<4F>REN SETUP-BLOCKS ---
     }
     catch (Exception ex)
     {

Webshop.Api/SwaggerFilters/AddExampleSchemaFilter.cs

@@ -14,7 +14,7 @@ using Webshop.Application.DTOs.Products;
 using Webshop.Application.DTOs.Payments;
 using Webshop.Application.DTOs.Orders;
 using Webshop.Application.DTOs.Discounts;
-using Webshop.Application.DTOs.Categorys; // Für Guid.NewGuid()
+using Webshop.Application.DTOs.Categorys;
 
 namespace Webshop.Api.SwaggerFilters
 {

Webshop.Application/DTOs/Auth/ChangePasswordRequestDto.cs

@@ -0,0 +1,19 @@
+// src/Webshop.Application/DTOs/Auth/ChangePasswordRequestDto.cs
+using System.ComponentModel.DataAnnotations;
+
+namespace Webshop.Application.DTOs.Auth
+{
+    public class ChangePasswordRequestDto
+    {
+        [Required(ErrorMessage = "Altes Passwort ist erforderlich.")]
+        public string OldPassword { get; set; } = string.Empty;
+
+        [Required(ErrorMessage = "Neues Passwort ist erforderlich.")]
+        [MinLength(6, ErrorMessage = "Passwort muss mindestens 6 Zeichen lang sein.")]
+        public string NewPassword { get; set; } = string.Empty;
+
+        [Required(ErrorMessage = "Passwortbestätigung ist erforderlich.")]
+        [Compare("NewPassword", ErrorMessage = "Neues Passwort und Bestätigung stimmen nicht überein.")]
+        public string ConfirmNewPassword { get; set; } = string.Empty;
+    }
+}

Webshop.Application/DTOs/Customers/UpdateCustomerProfileDto.cs

@@ -1,16 +1,26 @@
-using System.ComponentModel.DataAnnotations;
+// src/Webshop.Application/DTOs/Customers/UpdateCustomerProfileDto.cs
+using System.ComponentModel.DataAnnotations;
 
 namespace Webshop.Application.DTOs.Customers
 {
     public class UpdateCustomerProfileDto
     {
         [Required(ErrorMessage = "Vorname ist erforderlich.")]
-        [MaxLength(100)]
+        [StringLength(100)]
         public string FirstName { get; set; } = string.Empty;
 
         [Required(ErrorMessage = "Nachname ist erforderlich.")]
-        [MaxLength(100)]
+        [StringLength(100)]
         public string LastName { get; set; } = string.Empty;
 
+        [Phone(ErrorMessage = "Ungültiges Telefonnummernformat.")]
+        public string? PhoneNumber { get; set; } // Telefonnummer des Benutzers
+
+        [EmailAddress(ErrorMessage = "Ungültiges E-Mail-Format.")]
+        public string? Email { get; set; } // E-Mail des Benutzers
+
+        // Optional, aber gute Sicherheitspraxis: Aktuelles Passwort zur Bestätigung sensibler Änderungen
+        [Required(ErrorMessage = "Aktuelles Passwort ist zur Bestätigung erforderlich.")]
+        public string CurrentPassword { get; set; } = string.Empty;
     }
 }

Webshop.Application/DTOs/Users/AdminResetPasswordRequestDto.cs

@@ -0,0 +1,19 @@
+// src/Webshop.Application/DTOs/Users/AdminResetPasswordRequestDto.cs
+using System.ComponentModel.DataAnnotations;
+
+namespace Webshop.Application.DTOs.Users
+{
+    public class AdminResetPasswordRequestDto
+    {
+        [Required(ErrorMessage = "Benutzer-ID ist erforderlich.")]
+        public string UserId { get; set; } = string.Empty;
+
+        [Required(ErrorMessage = "Neues Passwort ist erforderlich.")]
+        [MinLength(6, ErrorMessage = "Passwort muss mindestens 6 Zeichen lang sein.")]
+        public string NewPassword { get; set; } = string.Empty;
+
+        [Required(ErrorMessage = "Passwortbestätigung ist erforderlich.")]
+        [Compare("NewPassword", ErrorMessage = "Neues Passwort und Bestätigung stimmen nicht überein.")]
+        public string ConfirmNewPassword { get; set; } = string.Empty;
+    }
+}

Webshop.Application/DTOs/Users/UserDto.cs

@@ -1,18 +1,25 @@
 // src/Webshop.Application/DTOs/Users/UserDto.cs
+using System;
+using System.Collections.Generic;
+
 namespace Webshop.Application.DTOs.Users
 {
     public class UserDto
     {
-        public string Id { get; set; } = string.Empty;
-        public string Email { get; set; } = string.Empty;
-        public string UserName { get; set; } = string.Empty;
-        public List<string> Roles { get; set; } = new List<string>();
-        public DateTimeOffset CreatedDate { get; set; }
-        public bool EmailConfirmed { get; set; }
+        public string Id { get; set; } = string.Empty; // Vom ApplicationUser.Id
+        public string Email { get; set; } = string.Empty; // Vom ApplicationUser.Email
+        public string UserName { get; set; } = string.Empty; // Vom ApplicationUser.UserName
+        public List<string> Roles { get; set; } = new List<string>(); // Aus Identity-System
+        public DateTimeOffset CreatedDate { get; set; } // Vom ApplicationUser.CreatedDate
+        public bool EmailConfirmed { get; set; } // Vom ApplicationUser.EmailConfirmed
 
-        // Hinzugef<65>gte Felder
-        public DateTimeOffset? LastActive { get; set; }
-        public string FirstName { get; set; } = string.Empty;
-        public string LastName { get; set; } = string.Empty;
+        public DateTimeOffset? LastActive { get; set; } // Vom ApplicationUser.LastActive
+        public string? PhoneNumber { get; set; } // Vom ApplicationUser.PhoneNumber
+
+        // << NEU: Customer-Felder, die NICHT in ApplicationUser sind >>
+        public string FirstName { get; set; } = string.Empty; // Vom Customer.FirstName
+        public string LastName { get; set; } = string.Empty; // Vom Customer.LastName
+        public Guid? DefaultShippingAddressId { get; set; } // Vom Customer
+        public Guid? DefaultBillingAddressId { get; set; } // Vom Customer
     }
 }

Webshop.Application/Services/Admin/AdminProductService.cs

@@ -8,6 +8,7 @@ using System.Linq;
 using Webshop.Application.DTOs.Products;
 using Webshop.Application.Services.Admin.Interfaces; // F<>r Select
 
+
 namespace Webshop.Application.Services.Admin
 {
     public class AdminProductService : IAdminProductService // Sicherstellen, dass IAdminProductService implementiert wird

Webshop.Application/Services/Admin/AdminSupplierService.cs

@@ -7,6 +7,7 @@ using System.Linq;
 using System.Threading.Tasks;
 using Webshop.Application.DTOs.Suppliers;
 using Webshop.Application.Services.Admin.Interfaces;
+using Webshop.Domain.Identity;
 
 namespace Webshop.Application.Services.Admin
 {

Webshop.Application/Services/Admin/AdminUserService.cs

@@ -8,6 +8,7 @@ using Webshop.Application.DTOs.Users;
 using Webshop.Application.Services.Admin.Interfaces;
 using Webshop.Domain.Entities;
 using Webshop.Infrastructure.Data; // WICHTIG: Stellt sicher, dass ApplicationDbContext gefunden wird.
+using Webshop.Domain.Identity;
 
 namespace Webshop.Application.Services.Admin
 {

Webshop.Application/Services/Admin/Interfaces/IAdminUserService.cs

@@ -1,4 +1,5 @@
-using System.Collections.Generic;
+// src/Webshop.Application/Services/Admin/Interfaces/IAdminUserService.cs
+using System.Collections.Generic;
 using System.Threading.Tasks;
 using Webshop.Application.DTOs.Users;
 

Webshop.Application/Services/Customers/CustomerService.cs

@@ -1,52 +1,122 @@
+// src/Webshop.Application/Services/Customers/CustomerService.cs
+using Microsoft.AspNetCore.Identity;
+using Microsoft.EntityFrameworkCore;
 using System.Threading.Tasks;
-using Webshop.Application.DTOs.Customers;
-using Webshop.Application.Services.Customers.Interfaces;
-using Webshop.Domain.Interfaces; // Wichtig für ICustomerRepository
+using Webshop.Application.DTOs; // CustomerDto
+using Webshop.Application.DTOs.Auth; // ChangePasswordRequestDto
+using Webshop.Application.DTOs.Customers; // UpdateCustomerProfileDto
+using Webshop.Domain.Entities; // Customer Entity
+using Webshop.Domain.Interfaces; // ICustomerRepository
+using Webshop.Domain.Identity; // Für ApplicationUser
+using System.Linq; // Für Select
+using System.Collections.Generic; // Für IEnumerable
 
 namespace Webshop.Application.Services.Customers
 {
     public class CustomerService : ICustomerService
     {
         private readonly ICustomerRepository _customerRepository;
+        private readonly UserManager<ApplicationUser> _userManager;
 
-        public CustomerService(ICustomerRepository customerRepository)
+        public CustomerService(ICustomerRepository customerRepository, UserManager<ApplicationUser> userManager)
         {
             _customerRepository = customerRepository;
+            _userManager = userManager;
         }
 
         public async Task<CustomerDto?> GetMyProfileAsync(string userId)
         {
             var customer = await _customerRepository.GetByUserIdAsync(userId);
-            if (customer == null)
-            {
-                return null;
-            }
+            if (customer == null) return null;
+
+            var identityUser = await _userManager.FindByIdAsync(userId);
+            if (identityUser == null) return null;
 
-            // Mappe die Entity auf das CustomerDto
             return new CustomerDto
             {
                 Id = customer.Id,
                 UserId = customer.AspNetUserId,
                 FirstName = customer.FirstName,
                 LastName = customer.LastName,
-                // Fügen Sie hier weitere Felder hinzu, die der Kunde sehen soll (Email, Phone etc.)
+                Email = identityUser.Email ?? string.Empty, // E-Mail vom ApplicationUser
+                PhoneNumber = identityUser.PhoneNumber,      // Telefonnummer vom ApplicationUser
+                DefaultShippingAddressId = customer.DefaultShippingAddressId,
+                DefaultBillingAddressId = customer.DefaultBillingAddressId
             };
         }
 
-        public async Task<bool> UpdateMyProfileAsync(string userId, UpdateCustomerProfileDto profileDto)
+        public async Task<(bool Success, string ErrorMessage)> ChangePasswordAsync(string userId, ChangePasswordRequestDto request)
+        {
+            var user = await _userManager.FindByIdAsync(userId);
+            if (user == null) return (false, "Benutzer nicht gefunden.");
+
+            var result = await _userManager.ChangePasswordAsync(user, request.OldPassword, request.NewPassword);
+
+            if (!result.Succeeded)
+            {
+                var errors = string.Join(" ", result.Errors.Select(e => e.Description));
+                return (false, errors);
+            }
+
+            return (true, "Passwort erfolgreich geändert.");
+        }
+
+        // << NEUE IMPLEMENTIERUNG: UpdateMyProfileAsync verarbeitet alle Felder >>
+        public async Task<(bool Success, string ErrorMessage)> UpdateMyProfileAsync(string userId, UpdateCustomerProfileDto profileDto)
         {
             var customer = await _customerRepository.GetByUserIdAsync(userId);
-            if (customer == null)
+            if (customer == null) return (false, "Kundenprofil nicht gefunden.");
+
+            var identityUser = await _userManager.FindByIdAsync(userId);
+            if (identityUser == null) return (false, "Benutzerkonto nicht gefunden.");
+
+            // 1. Aktuelles Passwort prüfen (für alle sensiblen Änderungen)
+            if (!await _userManager.CheckPasswordAsync(identityUser, profileDto.CurrentPassword))
             {
-                return false; // Kunde nicht gefunden
+                return (false, "Falsches aktuelles Passwort zur Bestätigung.");
             }
 
-            // Aktualisiere die Felder
+            // 2. Felder der Customer-Entität aktualisieren (FirstName, LastName)
             customer.FirstName = profileDto.FirstName;
             customer.LastName = profileDto.LastName;
+            // customer.PhoneNumber = profileDto.PhoneNumber; // Entfernt, da es jetzt in ApplicationUser zentralisiert ist
+            await _customerRepository.UpdateAsync(customer); // Speichert Änderungen im Customer-Profil
 
-            await _customerRepository.UpdateAsync(customer);
-            return true;
+            // 3. Felder des ApplicationUser (IdentityUser) aktualisieren (Email, PhoneNumber)
+            bool identityUserChanged = false;
+
+            // E-Mail aktualisieren (wenn anders und nicht leer)
+            if (!string.IsNullOrEmpty(profileDto.Email) && identityUser.Email != profileDto.Email)
+            {
+                identityUser.Email = profileDto.Email;
+                identityUser.NormalizedEmail = _userManager.NormalizeEmail(profileDto.Email);
+                identityUser.UserName = profileDto.Email; // Oft wird der UserName auch mit der E-Mail synchronisiert
+                identityUser.NormalizedUserName = _userManager.NormalizeName(profileDto.Email);
+                // Optional: user.EmailConfirmed = false; wenn Sie Bestätigungs-E-Mails senden
+                identityUserChanged = true;
+            }
+
+            // Telefonnummer aktualisieren (wenn anders und nicht leer)
+            if (!string.IsNullOrEmpty(profileDto.PhoneNumber) && identityUser.PhoneNumber != profileDto.PhoneNumber)
+            {
+                identityUser.PhoneNumber = profileDto.PhoneNumber;
+                // Optional: identityUser.PhoneNumberConfirmed = false;
+                identityUserChanged = true;
+            }
+
+            if (identityUserChanged)
+            {
+                var updateResult = await _userManager.UpdateAsync(identityUser);
+                if (!updateResult.Succeeded)
+                {
+                    var errors = string.Join(" ", updateResult.Errors.Select(e => e.Description));
+                    return (false, $"Fehler beim Aktualisieren der Kontaktdaten: {errors}");
                 }
             }
+
+            return (true, "Profil und Kontaktdaten erfolgreich aktualisiert.");
+        }
+
+        // << ENTFERNT: UpdateMyContactInfoAsync >>
+    }
 }

Webshop.Application/Services/Customers/Interfaces/ICustomerService.cs

@@ -1,11 +1,16 @@
+// src/Webshop.Application/Services/Customers/ICustomerService.cs
 using System.Threading.Tasks;
-using Webshop.Application.DTOs.Customers; // Korrektes Using für DTOs
+using Webshop.Application.DTOs; // CustomerDto
+using Webshop.Application.DTOs.Auth; // ChangePasswordRequestDto
+using Webshop.Application.DTOs.Customers; // UpdateCustomerProfileDto
 
-namespace Webshop.Application.Services.Customers.Interfaces
+namespace Webshop.Application.Services.Customers
 {
     public interface ICustomerService
     {
         Task<CustomerDto?> GetMyProfileAsync(string userId);
-        Task<bool> UpdateMyProfileAsync(string userId, UpdateCustomerProfileDto profileDto);
+        Task<(bool Success, string ErrorMessage)> ChangePasswordAsync(string userId, ChangePasswordRequestDto request);
+        Task<(bool Success, string ErrorMessage)> UpdateMyProfileAsync(string userId, UpdateCustomerProfileDto profileDto);
+
     }
 }

Webshop.Domain/Entities/ApplicationUser.cs

@@ -1,13 +0,0 @@
-using Microsoft.AspNetCore.Identity;
-using System;
-using System.Collections.Generic;
-
-namespace Webshop.Domain.Entities
-{
-    public class ApplicationUser : IdentityUser
-    {
-        public DateTimeOffset CreatedDate { get; set; }
-        public DateTimeOffset? LastActive { get; set; }
-        public virtual Customer Customer { get; set; }
-    }
-}

Webshop.Domain/Entities/Customer.cs

@@ -1,23 +1,38 @@
-using System;
-
+// src/Webshop.Domain/Entities/Customer.cs
+using System;
 using System.ComponentModel.DataAnnotations;
+using System.Collections.Generic;
+using Webshop.Domain.Identity; // Für ApplicationUser
 
 namespace Webshop.Domain.Entities
 {
     public class Customer
     {
         [Key]
-        public Guid Id { get; set; }
-        [Required]
-        public string AspNetUserId { get; set; }
-        [Required]
-        [MaxLength(100)]
-        public string FirstName { get; set; }
-        [Required]
-        [MaxLength(100)]
-        public string LastName { get; set; }
+        public Guid Id { get; set; } = Guid.NewGuid(); // Default-Wert setzen
 
-        public virtual ApplicationUser User { get; set; }
+        [Required]
+        public string AspNetUserId { get; set; } // Fremdschlüssel zu ApplicationUser.Id
+
+        [Required]
+        [MaxLength(100)]
+        public string FirstName { get; set; } = string.Empty;
+
+        [Required]
+        [MaxLength(100)]
+        public string LastName { get; set; } = string.Empty;
+
+        // << ENTFERNT: Email ist auf ApplicationUser >>
+        // << ENTFERNT: PhoneNumber ist auf ApplicationUser >>
+        // << ENTFERNT: CreatedDate ist auf ApplicationUser >>
+
+        public Guid? DefaultShippingAddressId { get; set; } // Fremdschlüssel zur Standardversandadresse
+        public Guid? DefaultBillingAddressId { get; set; } // Fremdschlüssel zur Standardrechnungsadresse
+
+        // Navigation Property zum ApplicationUser
+        public virtual ApplicationUser User { get; set; } = default!; // Muss auf ApplicationUser verweisen
+
+        // Navigation Properties zu Collections
         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>();

Webshop.Domain/Identity/ApplicationUser.cs

@@ -0,0 +1,16 @@
+// src/Webshop.Domain/Identity/ApplicationUser.cs
+using Microsoft.AspNetCore.Identity;
+using System;
+
+namespace Webshop.Domain.Identity // KORREKTER NAMESPACE
+{
+    public class ApplicationUser : IdentityUser
+    {
+        public DateTimeOffset CreatedDate { get; set; } = DateTimeOffset.UtcNow; // Setzt Standardwert
+        public DateTimeOffset? LastActive { get; set; }
+
+        // Navigation Property zur Customer-Entität (One-to-One)
+        // Customer ist nullable, falls nicht jeder ApplicationUser ein Customer-Profil hat
+        public virtual Entities.Customer? Customer { get; set; }
+    }
+}

Webshop.Domain/Interfaces/ICustomerRepository.cs

@@ -1,4 +1,5 @@
-using System;
+// src/Webshop.Domain/Interfaces/ICustomerRepository.cs
+using System.Collections.Generic;
 using System.Threading.Tasks;
 using Webshop.Domain.Entities;
 
@@ -6,7 +7,12 @@ namespace Webshop.Domain.Interfaces
 {
     public interface ICustomerRepository
     {
-        Task<Customer?> GetByUserIdAsync(string userId);
-        Task UpdateAsync(Customer customer);
+        Task<IEnumerable<Customer>> GetAllAsync(); // Standard CRUD
+        Task<Customer?> GetByIdAsync(Guid id); // Standard CRUD
+        Task AddAsync(Customer entity); // Standard CRUD
+        Task UpdateAsync(Customer entity); // Standard CRUD
+        Task DeleteAsync(Guid id); // Standard CRUD
+
+        Task<Customer?> GetByUserIdAsync(string userId); // << DIESE METHODE IST NEU UND WICHTIG >>
     }
 }

Webshop.Infrastructure/Repositories/CustomerRepository.cs

@@ -1,13 +1,15 @@
+// src/Webshop.Infrastructure/Repositories/CustomerRepository.cs
 using Microsoft.EntityFrameworkCore;
 using Webshop.Domain.Entities;
 using Webshop.Domain.Interfaces;
 using Webshop.Infrastructure.Data;
 using System;
+using System.Collections.Generic;
 using System.Threading.Tasks;
 
 namespace Webshop.Infrastructure.Repositories
 {
-    public class CustomerRepository : ICustomerRepository
+    public class CustomerRepository : ICustomerRepository // MUSS public sein
     {
         private readonly ApplicationDbContext _context;
 
@@ -16,15 +18,17 @@ namespace Webshop.Infrastructure.Repositories
             _context = context;
         }
 
-        public async Task<Customer?> GetByUserIdAsync(string userId)
-        {
-            return await _context.Customers.FirstOrDefaultAsync(c => c.AspNetUserId == userId);
-        }
+        // Beispiel-Implementierungen (wenn nicht schon vorhanden):
+        public async Task<IEnumerable<Customer>> GetAllAsync() => await _context.Customers.ToListAsync();
+        public async Task<Customer?> GetByIdAsync(Guid id) => await _context.Customers.FindAsync(id);
+        public async Task AddAsync(Customer entity) { _context.Customers.Add(entity); await _context.SaveChangesAsync(); }
+        public async Task UpdateAsync(Customer entity) { _context.Customers.Update(entity); await _context.SaveChangesAsync(); }
+        public async Task DeleteAsync(Guid id) { var entity = await _context.Customers.FindAsync(id); if (entity != null) { _context.Customers.Remove(entity); await _context.SaveChangesAsync(); } }
 
-        public async Task UpdateAsync(Customer customer)
+        // KORREKTE IMPLEMENTIERUNG F<>R GetByUserIdAsync
+        public async Task<Customer?> GetByUserIdAsync(string aspNetUserId)
         {
-            _context.Customers.Update(customer);
-            await _context.SaveChangesAsync();
+            return await _context.Customers.FirstOrDefaultAsync(c => c.AspNetUserId == aspNetUserId);
         }
     }
 }

Webshop.Infrastructure/Repositories/SupplierRepository.cs

@@ -1,16 +1,15 @@
 // src/Webshop.Infrastructure/Repositories/SupplierRepository.cs
-// Auto-generiert von CreateWebshopFiles.ps1 (aktualisiert um Implementierungen)
-using Microsoft.EntityFrameworkCore; // Wichtig für ToListAsync, FindAsync etc.
+using Microsoft.EntityFrameworkCore;
 using Webshop.Domain.Entities;
 using Webshop.Domain.Interfaces;
 using Webshop.Infrastructure.Data;
-using System; // Für Guid
+using System;
 using System.Collections.Generic;
 using System.Threading.Tasks;
 
 namespace Webshop.Infrastructure.Repositories
 {
-    public class SupplierRepository : ISupplierRepository // Hier muss das Interface stehen
+    public class SupplierRepository : ISupplierRepository // MUSS public sein
     {
         private readonly ApplicationDbContext _context;
 
@@ -19,8 +18,6 @@ namespace Webshop.Infrastructure.Repositories
             _context = context;
         }
 
-        // --- IMPLEMENTIERUNG DER ISupplierRepository METHODEN ---
-
         public async Task<IEnumerable<Supplier>> GetAllSuppliersAsync()
         {
             return await _context.Suppliers.ToListAsync();
@@ -34,7 +31,7 @@ namespace Webshop.Infrastructure.Repositories
         public async Task AddSupplierAsync(Supplier supplier)
         {
             _context.Suppliers.Add(supplier);
-            await _context.SaveChangesAsync(); // Änderungen in der DB speichern
+            await _context.SaveChangesAsync();
         }
 
         public async Task UpdateSupplierAsync(Supplier supplier)
@@ -45,11 +42,11 @@ namespace Webshop.Infrastructure.Repositories
 
         public async Task DeleteSupplierAsync(Guid id)
         {
-            var supplier = await _context.Suppliers.FindAsync(id); // Lieferant zuerst finden
+            var supplier = await _context.Suppliers.FindAsync(id);
             if (supplier != null)
             {
-                _context.Suppliers.Remove(supplier); // Lieferant entfernen
-                await _context.SaveChangesAsync(); // Änderungen speichern
+                _context.Suppliers.Remove(supplier);
+                await _context.SaveChangesAsync();
             }
         }
     }