AdminShopInfo

Webshop.Api/Controllers/Admin/AdminShopInfoController.cs

@@ -1,7 +1,9 @@
 // src/Webshop.Api/Controllers/Admin/AdminShopInfoController.cs
 using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Http;
 using Microsoft.AspNetCore.Mvc;
 using System.Threading.Tasks;
+using Webshop.Application;
 using Webshop.Application.DTOs.Shop;
 using Webshop.Application.Services.Admin;
 
@@ -29,10 +31,13 @@ namespace Webshop.Api.Controllers.Admin
         /// Diese Daten werden typischerweise in einem "Stammdaten"- oder "Shop-Einstellungen"-Formular im Admin-Dashboard angezeigt.
         /// </remarks>
         [HttpGet]
-        public async Task<ActionResult<AdminShopInfoDto>> GetShopInfo()
+        [ProducesResponseType(typeof(AdminShopInfoDto), StatusCodes.Status200OK)]
+        public async Task<IActionResult> GetShopInfo()
         {
-            var info = await _shopInfoService.GetShopInfoAsync();
+            var result = await _shopInfoService.GetShopInfoAsync();
-            return Ok(info);
+            // GetShopInfoAsync erstellt einen Standardeintrag, wenn keiner vorhanden ist,
+            // daher sollte es im Normalbetrieb immer erfolgreich sein.
+            return Ok(result.Value);
         }
 
         /// <summary>
@@ -43,14 +48,24 @@ namespace Webshop.Api.Controllers.Admin
         /// </remarks>
         /// <param name="shopInfoDto">Das Datenobjekt mit den neuen Shop-Informationen.</param>
         [HttpPut]
+        [ProducesResponseType(StatusCodes.Status204NoContent)]
+        [ProducesResponseType(typeof(ValidationProblemDetails), StatusCodes.Status400BadRequest)]
+        [ProducesResponseType(typeof(ProblemDetails), StatusCodes.Status404NotFound)]
         public async Task<IActionResult> UpdateShopInfo([FromBody] AdminShopInfoDto shopInfoDto)
         {
             if (!ModelState.IsValid)
             {
                 return BadRequest(ModelState);
             }
-            await _shopInfoService.UpdateShopInfoAsync(shopInfoDto);
+
-            return NoContent();
+            var result = await _shopInfoService.UpdateShopInfoAsync(shopInfoDto);
+
+            return result.Type switch
+            {
+                ServiceResultType.Success => NoContent(),
+                ServiceResultType.NotFound => NotFound(new { Message = result.ErrorMessage }),
+                _ => StatusCode(StatusCodes.Status500InternalServerError, new { Message = result.ErrorMessage ?? "Ein unerwarteter Fehler ist aufgetreten." })
+            };
         }
     }
 }

Webshop.Application/Services/Admin/AdminShopInfoService.cs

@@ -1,6 +1,7 @@
 // src/Webshop.Application/Services/Admin/AdminShopInfoService.cs
 using System;
 using System.Threading.Tasks;
+using Webshop.Application;
 using Webshop.Application.DTOs.Shop;
 using Webshop.Domain.Entities;
 using Webshop.Domain.Interfaces;
@@ -16,7 +17,7 @@ namespace Webshop.Application.Services.Admin
             _shopInfoRepository = shopInfoRepository;
         }
 
-        public async Task<AdminShopInfoDto> GetShopInfoAsync()
+        public async Task<ServiceResult<AdminShopInfoDto>> GetShopInfoAsync()
         {
             var shopInfo = await _shopInfoRepository.GetAsync();
 
@@ -27,7 +28,7 @@ namespace Webshop.Application.Services.Admin
                 await _shopInfoRepository.AddAsync(shopInfo);
             }
 
-            return new AdminShopInfoDto
+            var dto = new AdminShopInfoDto
             {
                 ShopName = shopInfo.ShopName,
                 Slogan = shopInfo.Slogan,
@@ -43,14 +44,18 @@ namespace Webshop.Application.Services.Admin
                 InstagramUrl = shopInfo.InstagramUrl,
                 TwitterUrl = shopInfo.TwitterUrl
             };
+
+            return ServiceResult.Ok(dto);
         }
 
-        public async Task UpdateShopInfoAsync(AdminShopInfoDto shopInfoDto)
+        public async Task<ServiceResult> UpdateShopInfoAsync(AdminShopInfoDto shopInfoDto)
         {
             var shopInfo = await _shopInfoRepository.GetAsync();
             if (shopInfo == null)
             {
-                throw new InvalidOperationException("ShopInfo entity does not exist and cannot be updated.");
+                // Dieser Fall sollte theoretisch nie eintreten, da GetShopInfoAsync die Entität erstellt.
+                // Zur Sicherheit fangen wir ihn trotzdem ab.
+                return ServiceResult.Fail(ServiceResultType.NotFound, "ShopInfo-Entität existiert nicht und kann nicht aktualisiert werden.");
             }
 
             // Mappe die Werte vom DTO auf die Entität
@@ -69,6 +74,7 @@ namespace Webshop.Application.Services.Admin
             shopInfo.TwitterUrl = shopInfoDto.TwitterUrl;
 
             await _shopInfoRepository.UpdateAsync(shopInfo);
+            return ServiceResult.Ok();
         }
     }
 }

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

@@ -1,12 +1,13 @@
 // src/Webshop.Application/Services/Admin/IAdminShopInfoService.cs
 using System.Threading.Tasks;
+using Webshop.Application;
 using Webshop.Application.DTOs.Shop;
 
 namespace Webshop.Application.Services.Admin
 {
     public interface IAdminShopInfoService
     {
-        Task<AdminShopInfoDto> GetShopInfoAsync();
+        Task<ServiceResult<AdminShopInfoDto>> GetShopInfoAsync();
-        Task UpdateShopInfoAsync(AdminShopInfoDto shopInfoDto);
+        Task<ServiceResult> UpdateShopInfoAsync(AdminShopInfoDto shopInfoDto);
     }
 }