littleshop/LittleShop.Client/Models/Product.cs
SysAdmin d9efababa6 Feature: Add product variant price override support
Enables individual variants to have their own prices, overriding the base product price.

**Database Changes:**
- Added Price (decimal?, nullable) to ProductVariants table
- Added ProductVariantId to OrderItems table with foreign key relationship
- Created index on OrderItems.ProductVariantId for performance

**API Changes:**
- ProductVariantDto: Added Price field
- CreateProductVariantDto: Added Price field with validation
- UpdateProductVariantDto: Added Price field
- OrderItemDto: Added ProductVariantId and ProductVariantName
- CreateOrderItemDto: Added ProductVariantId

**Business Logic:**
- OrderService: Variant price overrides base price (but multi-buy takes precedence)
- ProductService: All variant CRUD operations support Price field

**Admin UI:**
- CreateVariant: Price input with £ symbol and base price placeholder
- EditVariant: Price editing with £ symbol
- ProductVariants list: Shows variant price or "(base)" indicator

**Client Library:**
- Updated all DTOs to match server-side changes
- Full support for variant pricing in order creation

**Migration:**
- EF Core migration: 20251003173458_AddVariantPricing
- Backward compatible: NULL values supported for existing data

**Use Case:**
Products with size/color variants can now have different prices:
- Small T-shirt: £15.00 (variant override)
- Medium T-shirt: £18.00 (uses base price)
- Large T-shirt: £20.00 (variant override)

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>
2025-10-03 18:35:43 +01:00

54 lines
1.9 KiB
C#

namespace LittleShop.Client.Models;
public class Product
{
public Guid Id { get; set; }
public string Name { get; set; } = string.Empty;
public string? Description { get; set; }
public decimal Price { get; set; }
public decimal Weight { get; set; }
public int WeightUnit { get; set; }
public Guid CategoryId { get; set; }
public string? CategoryName { get; set; }
public bool IsActive { get; set; }
public List<ProductPhoto> Photos { get; set; } = new();
public List<ProductMultiBuy> MultiBuys { get; set; } = new();
public List<ProductVariant> Variants { get; set; } = new();
public DateTime CreatedAt { get; set; }
public DateTime UpdatedAt { get; set; }
}
public class ProductPhoto
{
public Guid Id { get; set; }
public string Url { get; set; } = string.Empty;
public string? AltText { get; set; }
public int SortOrder { get; set; }
}
public class ProductMultiBuy
{
public Guid Id { get; set; }
public Guid ProductId { get; set; }
public string Name { get; set; } = string.Empty;
public string? Description { get; set; }
public int Quantity { get; set; }
public decimal Price { get; set; }
public decimal PricePerUnit { get; set; }
public int SortOrder { get; set; }
public bool IsActive { get; set; }
}
public class ProductVariant
{
public Guid Id { get; set; }
public Guid ProductId { get; set; }
public string Name { get; set; } = string.Empty; // e.g., "Red", "Blue", "Vanilla"
public string VariantType { get; set; } = "Standard"; // e.g., "Color", "Flavor"
public int SortOrder { get; set; }
public int StockLevel { get; set; }
public decimal? Weight { get; set; } // Optional: override product weight
public int? WeightUnit { get; set; } // Optional: override product weight unit
public decimal? Price { get; set; } // Optional: override product price (if null, uses product.Price)
public bool IsActive { get; set; }
}