supplier und migration

Webshop.Application/DTOs/SupplierDto.cs

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+// src/Webshop.Application/DTOs/SupplierDto.cs
+namespace Webshop.Application.DTOs
+{
+    public class SupplierDto
+    {
+        public Guid Id { get; set; } = Guid.NewGuid(); // Für PUT/GET, bei POST optional
+        public string Name { get; set; } = string.Empty;
+        public string? ContactPerson { get; set; }
+        public string? Email { get; set; }
+        public string? PhoneNumber { get; set; }
+        public Guid? AddressId { get; set; } // Wenn Sie Adressen haben, sonst null
+        public string? Notes { get; set; }
+    }
+}

Webshop.Application/Services/Admin/AdminSupplierService.cs

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+// src/Webshop.Application/Services/Admin/AdminSupplierService.cs
+using Webshop.Application.DTOs; // SupplierDto
+using Webshop.Domain.Entities;
+using Webshop.Domain.Interfaces;
+using System.Collections.Generic; // Für IEnumerable
+
+namespace Webshop.Application.Services.Admin
+{
+    public class AdminSupplierService
+    {
+        private readonly ISupplierRepository _supplierRepository;
+
+        public AdminSupplierService(ISupplierRepository supplierRepository)
+        {
+            _supplierRepository = supplierRepository;
+        }
+
+        public async Task<IEnumerable<SupplierDto>> GetAllSuppliersAsync()
+        {
+            var suppliers = await _supplierRepository.GetAllSuppliersAsync();
+            return suppliers.Select(s => new SupplierDto
+            {
+                Id = s.Id,
+                Name = s.Name,
+                ContactPerson = s.ContactPerson,
+                Email = s.Email,
+                PhoneNumber = s.PhoneNumber,
+                AddressId = s.AddressId,
+                Notes = s.Notes
+            }).ToList();
+        }
+
+        public async Task<SupplierDto?> GetSupplierByIdAsync(Guid id)
+        {
+            var supplier = await _supplierRepository.GetSupplierByIdAsync(id);
+            if (supplier == null) return null;
+            return new SupplierDto
+            {
+                Id = supplier.Id,
+                Name = supplier.Name,
+                ContactPerson = supplier.ContactPerson,
+                Email = supplier.Email,
+                PhoneNumber = supplier.PhoneNumber,
+                AddressId = supplier.AddressId,
+                Notes = supplier.Notes
+            };
+        }
+
+        public async Task<SupplierDto> CreateSupplierAsync(SupplierDto supplierDto)
+        {
+            var newSupplier = new Supplier
+            {
+                Id = Guid.NewGuid(), // API generiert die ID
+                Name = supplierDto.Name,
+                ContactPerson = supplierDto.ContactPerson,
+                Email = supplierDto.Email,
+                PhoneNumber = supplierDto.PhoneNumber,
+                AddressId = supplierDto.AddressId,
+                Notes = supplierDto.Notes
+            };
+            await _supplierRepository.AddSupplierAsync(newSupplier);
+            supplierDto.Id = newSupplier.Id; // ID zurückschreiben
+            return supplierDto;
+        }
+
+        // TODO: UpdateSupplierAsync, DeleteSupplierAsync
+    }
+}