littleshop/LittleShop/Services/IVariantCollectionService.cs
sysadmin eb87148c63 Add variant collections system and enhance ProductVariant with weight/stock tracking
This commit introduces a comprehensive variant management system and enhances
the existing ProductVariant model with per-variant weight overrides and stock
tracking, integrated across Admin Panel and TeleBot.

Features Added:
- Variant Collections: Reusable variant templates (e.g., "Standard Sizes")
- Admin UI for managing variant collections (CRUD operations)
- Dynamic variant editor with JavaScript-based UI
- Per-variant weight and weight unit overrides
- Per-variant stock level tracking
- SalesLedger model for financial tracking

ProductVariant Enhancements:
- Added Weight (decimal, nullable) field for variant-specific weights
- Added WeightUnit (enum, nullable) field for variant-specific units
- Maintains backward compatibility with product-level weights

TeleBot Integration:
- Enhanced variant selection UI to display stock levels
- Shows weight information with proper unit conversion (µg, g, oz, lb, ml, L)
- Compact button format: "Medium (15 in stock, 350g)"
- Real-time stock availability display

Database Migrations:
- 20250928014850_AddVariantCollectionsAndSalesLedger
- 20250928155814_AddWeightToProductVariants

Technical Changes:
- Updated Product model to support VariantCollectionId and VariantsJson
- Extended ProductService with variant collection operations
- Enhanced OrderService to handle variant-specific pricing and weights
- Updated LittleShop.Client DTOs to match server models
- Added JavaScript dynamic variant form builder

Files Modified: 15
Files Added: 17
Lines Changed: ~2000

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

Co-Authored-By: Claude <noreply@anthropic.com>
2025-09-28 17:03:09 +01:00

12 lines
496 B
C#

using LittleShop.DTOs;
namespace LittleShop.Services;
public interface IVariantCollectionService
{
Task<IEnumerable<VariantCollectionDto>> GetAllVariantCollectionsAsync();
Task<VariantCollectionDto?> GetVariantCollectionByIdAsync(Guid id);
Task<VariantCollectionDto> CreateVariantCollectionAsync(CreateVariantCollectionDto createDto);
Task<bool> UpdateVariantCollectionAsync(Guid id, UpdateVariantCollectionDto updateDto);
Task<bool> DeleteVariantCollectionAsync(Guid id);
}