Implement complete e-commerce functionality with shipping and order management

Features Added:
- Standard e-commerce properties (Price, Weight, shipping fields)
- Order management with Create/Edit views and shipping information
- ShippingRates system for weight-based shipping calculations
- Comprehensive test coverage with JWT authentication tests
- Sample data seeder with 5 orders demonstrating full workflow
- Photo upload functionality for products
- Multi-cryptocurrency payment support (BTC, XMR, USDT, etc.)

Database Changes:
- Added ShippingRates table
- Added shipping fields to Orders (Name, Address, City, PostCode, Country)
- Renamed properties to standard names (BasePrice to Price, ProductWeight to Weight)
- Added UpdatedAt timestamps to models

UI Improvements:
- Added Create/Edit views for Orders
- Added ShippingRates management UI
- Updated navigation menu with Shipping option
- Enhanced Order Details view with shipping information

Sample Data:
- 3 Categories (Electronics, Clothing, Books)
- 5 Products with various prices
- 5 Shipping rates (Royal Mail options)
- 5 Orders in different statuses (Pending to Delivered)
- 3 Crypto payments demonstrating payment flow

Security:
- All API endpoints secured with JWT authentication
- No public endpoints - client apps must authenticate
- Privacy-focused design with minimal data collection

Generated with Claude Code

Co-Authored-By: Claude <noreply@anthropic.com>

LittleShop/DTOs/AuthResponseDto.cs

@@ -0,0 +1,8 @@
+namespace LittleShop.DTOs;
+
+public class AuthResponseDto
+{
+    public string Token { get; set; } = string.Empty;
+    public string Username { get; set; } = string.Empty;
+    public DateTime ExpiresAt { get; set; }
+}

LittleShop/DTOs/CategoryDto.cs

@@ -0,0 +1,34 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace LittleShop.DTOs;
+
+public class CategoryDto
+{
+    public Guid Id { get; set; }
+    public string Name { get; set; } = string.Empty;
+    public string? Description { get; set; }
+    public DateTime CreatedAt { get; set; }
+    public bool IsActive { get; set; }
+    public int ProductCount { get; set; }
+}
+
+public class CreateCategoryDto
+{
+    [Required]
+    [StringLength(100)]
+    public string Name { get; set; } = string.Empty;
+    
+    [StringLength(500)]
+    public string? Description { get; set; }
+}
+
+public class UpdateCategoryDto
+{
+    [StringLength(100)]
+    public string? Name { get; set; }
+    
+    [StringLength(500)]
+    public string? Description { get; set; }
+    
+    public bool? IsActive { get; set; }
+}

LittleShop/DTOs/CryptoPaymentDto.cs

@@ -0,0 +1,30 @@
+using LittleShop.Enums;
+
+namespace LittleShop.DTOs;
+
+public class CryptoPaymentDto
+{
+    public Guid Id { get; set; }
+    public Guid OrderId { get; set; }
+    public CryptoCurrency Currency { get; set; }
+    public string WalletAddress { get; set; } = string.Empty;
+    public decimal RequiredAmount { get; set; }
+    public decimal PaidAmount { get; set; }
+    public PaymentStatus Status { get; set; }
+    public string? BTCPayInvoiceId { get; set; }
+    public string? TransactionHash { get; set; }
+    public DateTime CreatedAt { get; set; }
+    public DateTime? PaidAt { get; set; }
+    public DateTime ExpiresAt { get; set; }
+}
+
+public class PaymentStatusDto
+{
+    public Guid PaymentId { get; set; }
+    public PaymentStatus Status { get; set; }
+    public decimal RequiredAmount { get; set; }
+    public decimal PaidAmount { get; set; }
+    public DateTime? PaidAt { get; set; }
+    public DateTime ExpiresAt { get; set; }
+    public bool IsExpired => DateTime.UtcNow > ExpiresAt;
+}

LittleShop/DTOs/LoginDto.cs

@@ -0,0 +1,12 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace LittleShop.DTOs;
+
+public class LoginDto
+{
+    [Required]
+    public string Username { get; set; } = string.Empty;
+    
+    [Required]
+    public string Password { get; set; } = string.Empty;
+}

LittleShop/DTOs/OrderDto.cs

@@ -0,0 +1,78 @@
+using System.ComponentModel.DataAnnotations;
+using LittleShop.Enums;
+
+namespace LittleShop.DTOs;
+
+public class OrderDto
+{
+    public Guid Id { get; set; }
+    public string IdentityReference { get; set; } = string.Empty;
+    public OrderStatus Status { get; set; }
+    public decimal TotalAmount { get; set; }
+    public string Currency { get; set; } = "GBP";
+    public string ShippingName { get; set; } = string.Empty;
+    public string ShippingAddress { get; set; } = string.Empty;
+    public string ShippingCity { get; set; } = string.Empty;
+    public string ShippingPostCode { get; set; } = string.Empty;
+    public string ShippingCountry { get; set; } = string.Empty;
+    public string? Notes { get; set; }
+    public string? TrackingNumber { get; set; }
+    public DateTime CreatedAt { get; set; }
+    public DateTime UpdatedAt { get; set; }
+    public DateTime? PaidAt { get; set; }
+    public DateTime? ShippedAt { get; set; }
+    public List<OrderItemDto> Items { get; set; } = new();
+    public List<CryptoPaymentDto> Payments { get; set; } = new();
+}
+
+public class OrderItemDto
+{
+    public Guid Id { get; set; }
+    public Guid ProductId { get; set; }
+    public string ProductName { get; set; } = string.Empty;
+    public int Quantity { get; set; }
+    public decimal UnitPrice { get; set; }
+    public decimal TotalPrice { get; set; }
+}
+
+public class CreateOrderDto
+{
+    [Required]
+    public string IdentityReference { get; set; } = string.Empty;
+    
+    [Required]
+    public string ShippingName { get; set; } = string.Empty;
+    
+    [Required]
+    public string ShippingAddress { get; set; } = string.Empty;
+    
+    [Required]
+    public string ShippingCity { get; set; } = string.Empty;
+    
+    [Required]
+    public string ShippingPostCode { get; set; } = string.Empty;
+    
+    [Required]
+    public string ShippingCountry { get; set; } = "United Kingdom";
+    
+    [Required]
+    public List<CreateOrderItemDto> Items { get; set; } = new();
+    
+    public string? Notes { get; set; }
+}
+
+public class CreateOrderItemDto
+{
+    [Required]
+    public Guid ProductId { get; set; }
+    
+    [Range(1, int.MaxValue)]
+    public int Quantity { get; set; }
+}
+
+public class UpdateOrderStatusDto
+{
+    public OrderStatus Status { get; set; }
+    public string? TrackingNumber { get; set; }
+    public string? Notes { get; set; }
+}

LittleShop/DTOs/ProductDto.cs

@@ -0,0 +1,81 @@
+using System.ComponentModel.DataAnnotations;
+using LittleShop.Enums;
+
+namespace LittleShop.DTOs;
+
+public class ProductDto
+{
+    public Guid Id { get; set; }
+    public string Name { get; set; } = string.Empty;
+    public string Description { get; set; } = string.Empty;
+    public decimal Price { get; set; }
+    public decimal Weight { get; set; }
+    public ProductWeightUnit WeightUnit { get; set; }
+    public Guid CategoryId { get; set; }
+    public string CategoryName { get; set; } = string.Empty;
+    public DateTime CreatedAt { get; set; }
+    public DateTime UpdatedAt { get; set; }
+    public bool IsActive { get; set; }
+    public List<ProductPhotoDto> Photos { get; set; } = new();
+}
+
+public class ProductPhotoDto
+{
+    public Guid Id { get; set; }
+    public string FileName { get; set; } = string.Empty;
+    public string FilePath { get; set; } = string.Empty;
+    public string? AltText { get; set; }
+    public int SortOrder { get; set; }
+}
+
+public class CreateProductDto
+{
+    [Required]
+    [StringLength(200)]
+    public string Name { get; set; } = string.Empty;
+    
+    [Required]
+    public string Description { get; set; } = string.Empty;
+    
+    [Range(0.01, double.MaxValue)]
+    public decimal Price { get; set; }
+    
+    public decimal Weight { get; set; }
+    
+    public ProductWeightUnit WeightUnit { get; set; }
+    
+    [Required]
+    public Guid CategoryId { get; set; }
+}
+
+public class UpdateProductDto
+{
+    [StringLength(200)]
+    public string? Name { get; set; }
+    
+    public string? Description { get; set; }
+    
+    [Range(0.01, double.MaxValue)]
+    public decimal? Price { get; set; }
+    
+    public decimal? Weight { get; set; }
+    
+    public ProductWeightUnit? WeightUnit { get; set; }
+    
+    public Guid? CategoryId { get; set; }
+    
+    public bool? IsActive { get; set; }
+}
+
+public class CreateProductPhotoDto
+{
+    [Required]
+    public Guid ProductId { get; set; }
+    
+    [Required]
+    public string PhotoUrl { get; set; } = string.Empty;
+    
+    public string? AltText { get; set; }
+    
+    public int DisplayOrder { get; set; }
+}

LittleShop/DTOs/ShippingRateDto.cs

@@ -0,0 +1,59 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace LittleShop.DTOs;
+
+public class ShippingRateDto
+{
+    public Guid Id { get; set; }
+    public string Name { get; set; } = string.Empty;
+    public string? Description { get; set; }
+    public string Country { get; set; } = string.Empty;
+    public decimal MinWeight { get; set; }
+    public decimal MaxWeight { get; set; }
+    public decimal Price { get; set; }
+    public int MinDeliveryDays { get; set; }
+    public int MaxDeliveryDays { get; set; }
+    public bool IsActive { get; set; }
+    public DateTime CreatedAt { get; set; }
+    public DateTime UpdatedAt { get; set; }
+}
+
+public class CreateShippingRateDto
+{
+    [Required]
+    [StringLength(100)]
+    public string Name { get; set; } = string.Empty;
+    
+    [StringLength(500)]
+    public string? Description { get; set; }
+    
+    [Required]
+    [StringLength(100)]
+    public string Country { get; set; } = "United Kingdom";
+    
+    [Required]
+    [Range(0, double.MaxValue)]
+    public decimal MinWeight { get; set; }
+    
+    [Required]
+    [Range(0, double.MaxValue)]
+    public decimal MaxWeight { get; set; }
+    
+    [Required]
+    [Range(0, double.MaxValue)]
+    public decimal Price { get; set; }
+    
+    [Required]
+    [Range(1, 365)]
+    public int MinDeliveryDays { get; set; } = 1;
+    
+    [Required]
+    [Range(1, 365)]
+    public int MaxDeliveryDays { get; set; } = 3;
+    
+    public bool IsActive { get; set; } = true;
+}
+
+public class UpdateShippingRateDto : CreateShippingRateDto
+{
+}

LittleShop/DTOs/UserDto.cs

@@ -0,0 +1,22 @@
+namespace LittleShop.DTOs;
+
+public class UserDto
+{
+    public Guid Id { get; set; }
+    public string Username { get; set; } = string.Empty;
+    public DateTime CreatedAt { get; set; }
+    public bool IsActive { get; set; }
+}
+
+public class CreateUserDto
+{
+    public string Username { get; set; } = string.Empty;
+    public string Password { get; set; } = string.Empty;
+}
+
+public class UpdateUserDto
+{
+    public string? Username { get; set; }
+    public string? Password { get; set; }
+    public bool? IsActive { get; set; }
+}