fix shipping

Webshop.Application/Services/Admin/AdminShippingMethodService.cs

@@ -3,20 +3,24 @@ using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Threading.Tasks;
+using Microsoft.EntityFrameworkCore; // Hinzufügen für .AnyAsync
 using Webshop.Application;
 using Webshop.Application.DTOs.Shipping;
 using Webshop.Domain.Entities;
 using Webshop.Domain.Interfaces;
+using Webshop.Infrastructure.Data; // Hinzufügen für DbContext
 
 namespace Webshop.Application.Services.Admin
 {
     public class AdminShippingMethodService : IAdminShippingMethodService
     {
         private readonly IShippingMethodRepository _shippingMethodRepository;
+        private readonly ApplicationDbContext _context;
 
-        public AdminShippingMethodService(IShippingMethodRepository shippingMethodRepository)
+        public AdminShippingMethodService(IShippingMethodRepository shippingMethodRepository, ApplicationDbContext context)
         {
             _shippingMethodRepository = shippingMethodRepository;
+            _context = context;
         }
 
         public async Task<ServiceResult<IEnumerable<ShippingMethodDto>>> GetAllAsync()
@@ -50,13 +54,16 @@ namespace Webshop.Application.Services.Admin
                 Name = shippingMethodDto.Name,
                 Description = shippingMethodDto.Description,
                 BaseCost = shippingMethodDto.Cost,
-                IsActive = shippingMethodDto.IsActive
+                IsActive = shippingMethodDto.IsActive,
+                // +++ KORREKTUR +++
+                MinDeliveryDays = shippingMethodDto.MinDeliveryDays,
+                MaxDeliveryDays = shippingMethodDto.MaxDeliveryDays
             };
 
             await _shippingMethodRepository.AddAsync(newMethod);
 
-            shippingMethodDto.Id = newMethod.Id;
+            // Verwende MapToDto, um eine konsistente Antwort zu gewährleisten
-            return ServiceResult.Ok(shippingMethodDto);
+            return ServiceResult.Ok(MapToDto(newMethod));
         }
 
         public async Task<ServiceResult> UpdateAsync(ShippingMethodDto shippingMethodDto)
@@ -77,6 +84,9 @@ namespace Webshop.Application.Services.Admin
             existingMethod.Description = shippingMethodDto.Description;
             existingMethod.BaseCost = shippingMethodDto.Cost;
             existingMethod.IsActive = shippingMethodDto.IsActive;
+            // +++ KORREKTUR +++
+            existingMethod.MinDeliveryDays = shippingMethodDto.MinDeliveryDays;
+            existingMethod.MaxDeliveryDays = shippingMethodDto.MaxDeliveryDays;
 
             await _shippingMethodRepository.UpdateAsync(existingMethod);
             return ServiceResult.Ok();
@@ -90,6 +100,12 @@ namespace Webshop.Application.Services.Admin
                 return ServiceResult.Fail(ServiceResultType.NotFound, $"Versandmethode mit ID '{id}' nicht gefunden.");
             }
 
+            var isUsedInOrders = await _context.Orders.AnyAsync(o => o.ShippingMethodId == id);
+            if (isUsedInOrders)
+            {
+                return ServiceResult.Fail(ServiceResultType.Conflict, "Diese Versandmethode kann nicht gelöscht werden, da sie noch in bestehenden Bestellungen verwendet wird.");
+            }
+
             await _shippingMethodRepository.DeleteAsync(id);
             return ServiceResult.Ok();
         }
@@ -102,7 +118,10 @@ namespace Webshop.Application.Services.Admin
                 Name = sm.Name,
                 Description = sm.Description,
                 Cost = sm.BaseCost,
-                IsActive = sm.IsActive
+                IsActive = sm.IsActive,
+                // +++ KORREKTUR +++
+                MinDeliveryDays = sm.MinDeliveryDays,
+                MaxDeliveryDays = sm.MaxDeliveryDays
             };
         }
     }

Webshop.Domain/Entities/ShippingMethod.cs

@@ -32,4 +32,7 @@ public class ShippingMethod
 
     [Required]
     public bool RequiresTracking { get; set; }
+
+    public int MinDeliveryDays { get; set; }
+    public int MaxDeliveryDays { get; set; }
 }