imagefile endpunkt

Webshop.Api/Controllers/Admin/FileUploadController.cs

@@ -0,0 +1,47 @@
+// src/Webshop.Api/Controllers/Admin/FileUploadController.cs
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.Mvc;
+using System.IO;
+using System.Threading.Tasks;
+using Webshop.Application.DTOs;
+using Webshop.Domain.Interfaces;
+
+namespace Webshop.Api.Controllers.Admin
+{
+    [ApiController]
+    [Route("api/v1/admin/files")]
+    [Authorize(Roles = "Admin")]
+    public class FileUploadController : ControllerBase
+    {
+        private readonly IFileStorageService _fileStorageService;
+
+        public FileUploadController(IFileStorageService fileStorageService)
+        {
+            _fileStorageService = fileStorageService;
+        }
+
+        [HttpPost("upload")]
+        public async Task<ActionResult<FileUploadResultDto>> UploadImage(IFormFile file)
+        {
+            if (file == null || file.Length == 0)
+            {
+                return BadRequest(new { Message = "Es wurde keine Datei hochgeladen." });
+            }
+
+            // Optional: Validierung des Dateityps
+            if (!file.ContentType.StartsWith("image/"))
+            {
+                return BadRequest(new { Message = "Nur Bilddateien sind erlaubt." });
+            }
+
+            // Öffne einen Stream aus der hochgeladenen Datei
+            await using var stream = file.OpenReadStream();
+
+            // Speichere die Datei mit dem Service und erhalte die URL
+            var fileUrl = await _fileStorageService.SaveFileAsync(stream, file.FileName, file.ContentType);
+
+            return Ok(new FileUploadResultDto { Url = fileUrl });
+        }
+    }
+}

Webshop.Api/Program.cs

@@ -74,6 +74,8 @@ builder.Services.AddAuthentication(options =>
 });
 builder.Services.AddAuthorization();
 
+builder.Services.AddHttpContextAccessor();
+
 // Repositories
 builder.Services.AddScoped<IProductRepository, ProductRepository>();
 builder.Services.AddScoped<ISupplierRepository, SupplierRepository>();
@@ -106,6 +108,7 @@ builder.Services.AddScoped<IOrderService, OrderService>();
 builder.Services.AddScoped<IAddressService, AddressService>();
 builder.Services.AddScoped<ICheckoutService, CheckoutService>();
 builder.Services.AddScoped<IReviewService, ReviewService>();
+builder.Services.AddScoped<IFileStorageService, LocalFileStorageService>();
 
 // Externe Dienste (Resend)
 builder.Services.AddHttpClient<ResendClient>();
@@ -286,6 +289,9 @@ app.UseForwardedHeaders(new ForwardedHeadersOptions
     ForwardedHeaders = ForwardedHeaders.XForwardedFor | ForwardedHeaders.XForwardedProto
 });
 
+// << NEU: Statische Dateien aus wwwroot bereitstellen (z.B. /uploads/xyz.jpg) >>
+app.UseStaticFiles();
+
 // Swagger/SwaggerUI f<>r API-Dokumentation aktivieren
 //if (app.Environment.IsDevelopment())
 //{

Webshop.Application/DTOs/Images/FileUploadResultDto.cs

@@ -0,0 +1,8 @@
+// src/Webshop.Application/DTOs/Images/FileUploadResultDto.cs
+namespace Webshop.Application.DTOs
+{
+    public class FileUploadResultDto
+    {
+        public string Url { get; set; } = string.Empty;
+    }
+}

Webshop.Domain/Interfaces/IFileStorageService.cs

@@ -0,0 +1,18 @@
+// src/Webshop.Domain/Interfaces/IFileStorageService.cs
+using System.IO;
+using System.Threading.Tasks;
+
+namespace Webshop.Domain.Interfaces
+{
+    public interface IFileStorageService
+    {
+        /// <summary>
+        /// Speichert eine Datei und gibt die öffentlich zugängliche URL zurück.
+        /// </summary>
+        /// <param name="fileStream">Der Stream der Datei.</param>
+        /// <param name="fileName">Der ursprüngliche Dateiname (zur Ermittlung der Erweiterung).</param>
+        /// <param name="contentType">Der MIME-Typ der Datei.</param>
+        /// <returns>Die öffentliche URL der gespeicherten Datei.</returns>
+        Task<string> SaveFileAsync(Stream fileStream, string fileName, string contentType);
+    }
+}

Webshop.Infrastructure/Services/LocalFileStorageService.cs

@@ -0,0 +1,51 @@
+// src/Webshop.Infrastructure/Services/LocalFileStorageService.cs
+using Microsoft.AspNetCore.Hosting;
+using Microsoft.AspNetCore.Http;
+using System;
+using System.IO;
+using System.Threading.Tasks;
+using Webshop.Domain.Interfaces;
+
+namespace Webshop.Infrastructure.Services
+{
+    public class LocalFileStorageService : IFileStorageService
+    {
+        private readonly IWebHostEnvironment _env;
+        private readonly IHttpContextAccessor _httpContextAccessor;
+
+        public LocalFileStorageService(IWebHostEnvironment env, IHttpContextAccessor httpContextAccessor)
+        {
+            _env = env;
+            _httpContextAccessor = httpContextAccessor;
+        }
+
+        public async Task<string> SaveFileAsync(Stream fileStream, string fileName, string contentType)
+        {
+            // Erstelle einen eindeutigen Dateinamen, um Kollisionen zu vermeiden
+            var fileExtension = Path.GetExtension(fileName);
+            var uniqueFileName = $"{Guid.NewGuid()}{fileExtension}";
+
+            // Definiere den Speicherort im wwwroot-Ordner
+            var uploadsFolderPath = Path.Combine(_env.WebRootPath, "uploads");
+            if (!Directory.Exists(uploadsFolderPath))
+            {
+                Directory.CreateDirectory(uploadsFolderPath);
+            }
+
+            var filePath = Path.Combine(uploadsFolderPath, uniqueFileName);
+
+            // Speichere den Stream in die Datei
+            await using (var outputStream = new FileStream(filePath, FileMode.Create))
+            {
+                await fileStream.CopyToAsync(outputStream);
+            }
+
+            // Erstelle die öffentliche URL
+            var request = _httpContextAccessor.HttpContext.Request;
+            var baseUrl = $"{request.Scheme}://{request.Host}";
+            var fileUrl = $"{baseUrl}/uploads/{uniqueFileName}";
+
+            return fileUrl;
+        }
+    }
+}