Projektdateien hinzufügen.

Webshop.Domain/Entities/Adress.cs

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+using System;
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace Webshop.Domain.Entities;
+
+/// <summary>
+/// Verwendet für Kundenadressen, Rechnungs- und Lieferadressen von Bestellungen oder Lieferanten.
+/// </summary>
+public class Address
+{
+    [Key]
+    public Guid Id { get; set; }
+
+    [ForeignKey(nameof(Customer))]
+    public Guid? CustomerId { get; set; }
+
+    [MaxLength(50)]
+    public string? AddressType { get; set; } // z.B. "Billing", "Shipping"
+
+    [Required]
+    [MaxLength(255)]
+    public string Street { get; set; }
+
+    [MaxLength(255)]
+    public string? Street2 { get; set; }
+
+    [Required]
+    [MaxLength(100)]
+    public string City { get; set; }
+
+    [MaxLength(100)]
+    public string? State { get; set; }
+
+    [Required]
+    [MaxLength(20)]
+    public string PostalCode { get; set; }
+
+    [Required]
+    [MaxLength(100)]
+    public string Country { get; set; }
+
+    [MaxLength(255)]
+    public string? CompanyName { get; set; }
+
+    [Required]
+    [MaxLength(100)]
+    public string FirstName { get; set; }
+
+    [Required]
+    [MaxLength(100)]
+    public string LastName { get; set; }
+
+    // Navigation Property
+    public virtual Customer? Customer { get; set; }
+}

Webshop.Domain/Entities/Category.cs

@@ -0,0 +1,45 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace Webshop.Domain.Entities;
+
+/// <summary>
+/// Zum Gruppieren und Organisieren von Produkten.
+/// </summary>
+public class Category
+{
+    [Key]
+    public Guid Id { get; set; }
+
+    [Required]
+    [MaxLength(255)]
+    public string Name { get; set; }
+
+    [MaxLength(1000)]
+    public string? Description { get; set; }
+
+    // Unique-Constraint wird typischerweise via Fluent API konfiguriert
+    [Required]
+    [MaxLength(255)]
+    public string Slug { get; set; }
+
+    [ForeignKey(nameof(ParentCategory))]
+    public Guid? ParentCategoryId { get; set; }
+
+    [MaxLength(2000)]
+    public string? ImageUrl { get; set; }
+
+    [Required]
+    public bool IsActive { get; set; }
+
+    [Required]
+    public int DisplayOrder { get; set; }
+
+    // Navigation Properties
+    public virtual Category? ParentCategory { get; set; }
+    public virtual ICollection<Category> SubCategories { get; set; } = new List<Category>();
+    public virtual ICollection<ProductCategory> ProductCategories { get; set; } = new List<ProductCategory>();
+    public virtual ICollection<CategoryDiscount> CategoryDiscounts { get; set; } = new List<CategoryDiscount>();
+}

Webshop.Domain/Entities/CategoryDiscount.cs

@@ -0,0 +1,23 @@
+using System;
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace Webshop.Domain.Entities;
+
+/// <summary>
+/// Verknüpfungstabelle für die Viele-zu-Viele-Beziehung zwischen Category und Discount.
+/// </summary>
+public class CategoryDiscount
+{
+    [Required]
+    [ForeignKey(nameof(Category))]
+    public Guid CategoryId { get; set; }
+
+    [Required]
+    [ForeignKey(nameof(Discount))]
+    public Guid DiscountId { get; set; }
+
+    // Navigation Properties
+    public virtual Category Category { get; set; }
+    public virtual Discount Discount { get; set; }
+}

Webshop.Domain/Entities/Customer.cs

@@ -0,0 +1,50 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+
+namespace Webshop.Domain.Entities;
+
+/// <summary>
+/// Für registrierte Nutzer des Webshops. Dies ist die Schnittstelle zu ASP.NET Core Identity.
+/// </summary>
+public class Customer
+{
+    [Key]
+    public Guid Id { get; set; }
+
+    // Unique-Constraint und Foreign Key werden via Fluent API konfiguriert
+    [Required]
+    [MaxLength(450)]
+    public string AspNetUserId { get; set; }
+
+    [Required]
+    [MaxLength(100)]
+    public string FirstName { get; set; }
+
+    [Required]
+    [MaxLength(100)]
+    public string LastName { get; set; }
+
+    // Unique-Constraint wird von Identity verwaltet
+    [Required]
+    [MaxLength(256)]
+    [EmailAddress]
+    public string Email { get; set; }
+
+    [MaxLength(20)]
+    [Phone]
+    public string? PhoneNumber { get; set; }
+
+    [Required]
+    public DateTimeOffset CreatedDate { get; set; }
+
+    public DateTimeOffset? LastLoginDate { get; set; }
+
+    [Required]
+    public bool IsActive { get; set; }
+
+    // Navigation Properties
+    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/Entities/Discount.cs

@@ -0,0 +1,55 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+
+namespace Webshop.Domain.Entities;
+
+/// <summary>
+/// Verwaltung von Rabatten auf Produkte oder Kategorien.
+/// </summary>
+public class Discount
+{
+    [Key]
+    public Guid Id { get; set; }
+
+    [Required]
+    [MaxLength(255)]
+    public string Name { get; set; }
+
+    [Required]
+    [MaxLength(50)]
+    public string DiscountType { get; set; } // "Percentage", "FixedAmount"
+
+    // Precision wird via Fluent API konfiguriert
+    [Required]
+    public decimal DiscountValue { get; set; }
+
+    [Required]
+    public DateTimeOffset StartDate { get; set; }
+
+    public DateTimeOffset? EndDate { get; set; }
+
+    [Required]
+    public bool IsActive { get; set; }
+
+    [Required]
+    public bool RequiresCouponCode { get; set; }
+
+    // Unique-Constraint wird via Fluent API konfiguriert
+    [MaxLength(50)]
+    public string? CouponCode { get; set; }
+
+    public decimal? MinimumOrderAmount { get; set; }
+
+    public int? MaximumUsageCount { get; set; }
+
+    [Required]
+    public int CurrentUsageCount { get; set; }
+
+    [MaxLength(1000)]
+    public string? Description { get; set; }
+
+    // Navigation Properties
+    public virtual ICollection<ProductDiscount> ProductDiscounts { get; set; } = new List<ProductDiscount>();
+    public virtual ICollection<CategoryDiscount> CategoryDiscounts { get; set; } = new List<CategoryDiscount>();
+}

Webshop.Domain/Entities/Order.cs

@@ -0,0 +1,90 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace Webshop.Domain.Entities;
+
+/// <summary>
+/// Die Details jeder Kundenbestellung, inklusive Gastbestellungen.
+/// </summary>
+public class Order
+{
+    [Key]
+    public Guid Id { get; set; }
+
+    // Unique-Constraint wird via Fluent API konfiguriert
+    [Required]
+    [MaxLength(50)]
+    public string OrderNumber { get; set; }
+
+    [ForeignKey(nameof(Customer))]
+    public Guid? CustomerId { get; set; }
+
+    [MaxLength(256)]
+    [EmailAddress]
+    public string? GuestEmail { get; set; }
+
+    [MaxLength(20)]
+    [Phone]
+    public string? GuestPhoneNumber { get; set; }
+
+    [Required]
+    public DateTimeOffset OrderDate { get; set; }
+
+    [Required]
+    [MaxLength(50)]
+    public string OrderStatus { get; set; }
+
+    // Precision wird via Fluent API konfiguriert
+    [Required]
+    public decimal OrderTotal { get; set; }
+
+    [Required]
+    public decimal ShippingCost { get; set; }
+
+    [Required]
+    public decimal TaxAmount { get; set; }
+
+    [Required]
+    public decimal DiscountAmount { get; set; }
+
+    [Required]
+    [MaxLength(50)]
+    public string PaymentStatus { get; set; }
+
+    [Required]
+    [MaxLength(100)]
+    public string PaymentMethod { get; set; }
+
+    [ForeignKey(nameof(PaymentMethodInfo))]
+    public Guid? PaymentMethodId { get; set; }
+
+    [ForeignKey(nameof(ShippingMethodInfo))]
+    public Guid? ShippingMethodId { get; set; }
+
+    [MaxLength(255)]
+    public string? TransactionId { get; set; }
+
+    [Required]
+    [ForeignKey(nameof(BillingAddress))]
+    public Guid BillingAddressId { get; set; }
+
+    [Required]
+    [ForeignKey(nameof(ShippingAddress))]
+    public Guid ShippingAddressId { get; set; }
+
+    [MaxLength(1000)]
+    public string? CustomerNotes { get; set; }
+
+    [MaxLength(1000)]
+    public string? AdminNotes { get; set; }
+
+    // Navigation Properties
+    public virtual Customer? Customer { get; set; }
+    public virtual Address BillingAddress { get; set; }
+    public virtual Address ShippingAddress { get; set; }
+    public virtual PaymentMethod? PaymentMethodInfo { get; set; }
+    public virtual ShippingMethod? ShippingMethodInfo { get; set; }
+    public virtual ICollection<OrderItem> OrderItems { get; set; } = new List<OrderItem>();
+}

Webshop.Domain/Entities/OrderItem.cs

@@ -0,0 +1,47 @@
+using System;
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace Webshop.Domain.Entities;
+
+/// <summary>
+/// Die einzelnen Artikel innerhalb einer Bestellung.
+/// </summary>
+public class OrderItem
+{
+    [Key]
+    public Guid Id { get; set; }
+
+    [Required]
+    [ForeignKey(nameof(Order))]
+    public Guid OrderId { get; set; }
+
+    [ForeignKey(nameof(Product))]
+    public Guid? ProductId { get; set; }
+
+    [ForeignKey(nameof(ProductVariant))]
+    public Guid? ProductVariantId { get; set; }
+
+    [Required]
+    [MaxLength(255)]
+    public string ProductName { get; set; } // Snapshot
+
+    [Required]
+    [MaxLength(50)]
+    public string ProductSKU { get; set; } // Snapshot
+
+    [Required]
+    public int Quantity { get; set; }
+
+    // Precision wird via Fluent API konfiguriert
+    [Required]
+    public decimal UnitPrice { get; set; }
+
+    [Required]
+    public decimal TotalPrice { get; set; }
+
+    // Navigation Properties
+    public virtual Order Order { get; set; }
+    public virtual Product? Product { get; set; }
+    public virtual ProductVariant? ProductVariant { get; set; }
+}

Webshop.Domain/Entities/PaymentMethod.cs

@@ -0,0 +1,29 @@
+using System;
+using System.ComponentModel.DataAnnotations;
+
+namespace Webshop.Domain.Entities;
+
+/// <summary>
+/// Konfigurierbare Zahlungsoptionen für den Checkout.
+/// </summary>
+public class PaymentMethod
+{
+    [Key]
+    public Guid Id { get; set; }
+
+    [Required]
+    [MaxLength(100)]
+    public string Name { get; set; }
+
+    [MaxLength(500)]
+    public string? Description { get; set; }
+
+    [Required]
+    public bool IsActive { get; set; }
+
+    [Required]
+    [MaxLength(50)]
+    public string PaymentGatewayType { get; set; } // "Stripe", "PayPal", etc.
+
+    public decimal? ProcessingFee { get; set; }
+}

Webshop.Domain/Entities/Product.cs

@@ -0,0 +1,86 @@
+using System.ComponentModel.DataAnnotations.Schema;
+
+using System.ComponentModel.DataAnnotations;
+
+namespace Webshop.Domain.Entities;
+
+/// <summary>
+/// 1. Das zentrale Modell für deine Verkaufsartikel.
+/// </summary>
+public class Product
+{
+    [Key]
+    public Guid Id { get; set; }
+
+    [Required]
+    [MaxLength(255)]
+    public string Name { get; set; }
+
+    [MaxLength(4000)]
+    public string? Description { get; set; }
+
+    [MaxLength(500)]
+    public string? ShortDescription { get; set; }
+
+    // Unique-Constraint wird typischerweise via Fluent API konfiguriert:
+    // modelBuilder.Entity<Product>().HasIndex(p => p.SKU).IsUnique();
+    [Required]
+    [MaxLength(50)]
+    public string SKU { get; set; }
+
+    // Precision wird typischerweise via Fluent API konfiguriert:
+    // modelBuilder.Entity<Product>().Property(p => p.Price).HasPrecision(18, 2);
+    [Required]
+    public decimal Price { get; set; }
+
+    // modelBuilder.Entity<Product>().Property(p => p.OldPrice).HasPrecision(18, 2);
+    public decimal? OldPrice { get; set; }
+
+    [Required]
+    public bool IsActive { get; set; }
+
+    [Required]
+    public bool IsInStock { get; set; }
+
+    [Required]
+    public int StockQuantity { get; set; }
+
+    // modelBuilder.Entity<Product>().Property(p => p.Weight).HasPrecision(18, 3);
+    public decimal? Weight { get; set; }
+
+    // modelBuilder.Entity<Product>().Property(p => p.Width).HasPrecision(18, 2);
+    public decimal? Width { get; set; }
+
+    // modelBuilder.Entity<Product>().Property(p => p.Height).HasPrecision(18, 2);
+    public decimal? Height { get; set; }
+
+    // modelBuilder.Entity<Product>().Property(p => p.Length).HasPrecision(18, 2);
+    public decimal? Length { get; set; }
+
+    [MaxLength(2000)]
+    public string? ImageUrl { get; set; }
+
+    // Unique-Constraint wird typischerweise via Fluent API konfiguriert:
+    // modelBuilder.Entity<Product>().HasIndex(p => p.Slug).IsUnique();
+    [Required]
+    [MaxLength(255)]
+    public string Slug { get; set; }
+
+    [Required]
+    public DateTimeOffset CreatedDate { get; set; }
+
+    public DateTimeOffset? LastModifiedDate { get; set; }
+
+    [ForeignKey(nameof(Supplier))]
+    public Guid? SupplierId { get; set; }
+
+    // modelBuilder.Entity<Product>().Property(p => p.PurchasePrice).HasPrecision(18, 2);
+    public decimal? PurchasePrice { get; set; }
+
+    // Navigation Properties
+    public virtual Supplier? Supplier { get; set; }
+    public virtual ICollection<ProductVariant> Variants { get; set; } = new List<ProductVariant>();
+    public virtual ICollection<Review> Reviews { get; set; } = new List<Review>();
+    public virtual ICollection<ProductDiscount> ProductDiscounts { get; set; } = new List<ProductDiscount>();
+    public virtual ICollection<ProductCategory> ProductCategories { get; set; } = new List<ProductCategory>();
+}

Webshop.Domain/Entities/ProductCategory.cs

@@ -0,0 +1,24 @@
+using System;
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace Webshop.Domain.Entities;
+
+/// <summary>
+/// Verknüpfungstabelle für die Viele-zu-Viele-Beziehung zwischen Category und Discount.
+/// </summary>
+public class ProductCategory
+{
+    // Composite Primary Key wird via Fluent API in Ihrem DbContext konfiguriert:
+    // modelBuilder.Entity<ProductCategory>().HasKey(pc => new { pc.ProductId, pc.CategoryId });
+
+    [ForeignKey(nameof(Product))]
+    public Guid ProductId { get; set; }
+
+    [ForeignKey(nameof(Category))]
+    public Guid CategoryId { get; set; }
+
+    // Navigation Properties
+    public virtual Product Product { get; set; }
+    public virtual Category Category { get; set; }
+}

Webshop.Domain/Entities/ProductDiscount.cs

@@ -0,0 +1,23 @@
+using System;
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace Webshop.Domain.Entities;
+
+/// <summary>
+/// Verknüpfungstabelle für die Viele-zu-Viele-Beziehung zwischen Product und Discount.
+/// </summary>
+public class ProductDiscount
+{
+    [Required]
+    [ForeignKey(nameof(Product))]
+    public Guid ProductId { get; set; }
+
+    [Required]
+    [ForeignKey(nameof(Discount))]
+    public Guid DiscountId { get; set; }
+
+    // Navigation Properties
+    public virtual Product Product { get; set; }
+    public virtual Discount Discount { get; set; }
+}

Webshop.Domain/Entities/ProductVariant.cs

@@ -0,0 +1,46 @@
+using System;
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace Webshop.Domain.Entities;
+
+/// <summary>
+/// Für Produkte mit unterschiedlichen Attributen (z.B. Größe, Farbe) und eigenem Lagerbestand.
+/// </summary>
+public class ProductVariant
+{
+    [Key]
+    public Guid Id { get; set; }
+
+    [Required]
+    [ForeignKey(nameof(Product))]
+    public Guid ProductId { get; set; }
+
+    [Required]
+    [MaxLength(100)]
+    public string Name { get; set; } // z.B. "Farbe", "Größe"
+
+    [Required]
+    [MaxLength(100)]
+    public string Value { get; set; } // z.B. "Rot", "XL"
+
+    // Unique-Constraint wird typischerweise via Fluent API konfiguriert
+    [MaxLength(50)]
+    public string? SKU { get; set; }
+
+    // Precision wird via Fluent API konfiguriert
+    [Required]
+    public decimal PriceAdjustment { get; set; }
+
+    [Required]
+    public int StockQuantity { get; set; }
+
+    [MaxLength(2000)]
+    public string? ImageUrl { get; set; }
+
+    [Required]
+    public bool IsActive { get; set; }
+
+    // Navigation Property
+    public virtual Product Product { get; set; }
+}

Webshop.Domain/Entities/Review.cs

@@ -0,0 +1,41 @@
+using System;
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace Webshop.Domain.Entities;
+
+/// <summary>
+/// Kundenbewertungen für Produkte.
+/// </summary>
+public class Review
+{
+    [Key]
+    public Guid Id { get; set; }
+
+    [Required]
+    [ForeignKey(nameof(Product))]
+    public Guid ProductId { get; set; }
+
+    [ForeignKey(nameof(Customer))]
+    public Guid? CustomerId { get; set; }
+
+    [Required]
+    [Range(1, 5)]
+    public int Rating { get; set; }
+
+    [MaxLength(100)]
+    public string? Title { get; set; }
+
+    [MaxLength(2000)]
+    public string? Comment { get; set; }
+
+    [Required]
+    public DateTimeOffset ReviewDate { get; set; }
+
+    [Required]
+    public bool IsApproved { get; set; }
+
+    // Navigation Properties
+    public virtual Product Product { get; set; }
+    public virtual Customer? Customer { get; set; }
+}

Webshop.Domain/Entities/Setting.cs

@@ -0,0 +1,30 @@
+using System;
+using System.ComponentModel.DataAnnotations;
+
+namespace Webshop.Domain.Entities;
+
+/// <summary>
+/// Generische Tabelle für flexible Shop-Einstellungen.
+/// </summary>
+public class Setting
+{
+    [Key]
+    public Guid Id { get; set; }
+
+    // Unique-Constraint wird via Fluent API konfiguriert
+    [Required]
+    [MaxLength(255)]
+    public string Key { get; set; }
+
+    [MaxLength(2000)]
+    public string? Value { get; set; }
+
+    [MaxLength(500)]
+    public string? Description { get; set; }
+
+    [Required]
+    public bool IsActive { get; set; }
+
+    [MaxLength(100)]
+    public string? Group { get; set; } // "Shipping", "Order Processing", etc.
+}

Webshop.Domain/Entities/ShippingMethod.cs

@@ -0,0 +1,35 @@
+using System;
+using System.ComponentModel.DataAnnotations;
+
+namespace Webshop.Domain.Entities;
+
+/// <summary>
+/// Konfigurierbare Versandoptionen für den Checkout.
+/// </summary>
+public class ShippingMethod
+{
+    [Key]
+    public Guid Id { get; set; }
+
+    [Required]
+    [MaxLength(100)]
+    public string Name { get; set; }
+
+    [MaxLength(500)]
+    public string? Description { get; set; }
+
+    // Precision wird via Fluent API konfiguriert
+    [Required]
+    public decimal BaseCost { get; set; }
+
+    public decimal? MinimumOrderAmount { get; set; }
+
+    [Required]
+    public bool IsActive { get; set; }
+
+    [MaxLength(100)]
+    public string? EstimatedDeliveryTime { get; set; }
+
+    [Required]
+    public bool RequiresTracking { get; set; }
+}

Webshop.Domain/Entities/Supplier.cs

@@ -0,0 +1,40 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace Webshop.Domain.Entities;
+
+/// <summary>
+/// Details zu den Produktlieferanten.
+/// </summary>
+public class Supplier
+{
+    [Key]
+    public Guid Id { get; set; }
+
+    [Required]
+    [MaxLength(255)]
+    public string Name { get; set; }
+
+    [MaxLength(255)]
+    public string? ContactPerson { get; set; }
+
+    [MaxLength(256)]
+    [EmailAddress]
+    public string? Email { get; set; }
+
+    [MaxLength(50)]
+    [Phone]
+    public string? PhoneNumber { get; set; }
+
+    [ForeignKey(nameof(Address))]
+    public Guid? AddressId { get; set; }
+
+    [MaxLength(1000)]
+    public string? Notes { get; set; }
+
+    // Navigation Properties
+    public virtual Address? Address { get; set; }
+    public virtual ICollection<Product> Products { get; set; } = new List<Product>();
+}