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>
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sysadmin
@@ -862,8 +862,8 @@ namespace LittleShop.Migrations
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b.Property<int>("Quantity")
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.HasColumnType("INTEGER");
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b.Property<string>("SelectedVariant")
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.HasMaxLength(100)
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b.Property<string>("SelectedVariants")
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.HasMaxLength(500)
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.HasColumnType("TEXT");
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b.Property<decimal>("TotalPrice")
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@@ -916,6 +916,12 @@ namespace LittleShop.Migrations
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b.Property<DateTime>("UpdatedAt")
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.HasColumnType("TEXT");
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b.Property<Guid?>("VariantCollectionId")
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.HasColumnType("TEXT");
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b.Property<string>("VariantsJson")
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.HasColumnType("TEXT");
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b.Property<decimal>("Weight")
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.HasColumnType("decimal(18,4)");
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@@ -926,6 +932,8 @@ namespace LittleShop.Migrations
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b.HasIndex("CategoryId");
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b.HasIndex("VariantCollectionId");
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b.ToTable("Products");
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});
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@@ -1050,6 +1058,12 @@ namespace LittleShop.Migrations
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.HasMaxLength(50)
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.HasColumnType("TEXT");
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b.Property<decimal?>("Weight")
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.HasColumnType("TEXT");
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b.Property<int?>("WeightUnit")
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.HasColumnType("INTEGER");
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b.HasKey("Id");
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b.HasIndex("IsActive");
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@@ -1190,6 +1204,57 @@ namespace LittleShop.Migrations
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b.ToTable("Reviews");
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});
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modelBuilder.Entity("LittleShop.Models.SalesLedger", b =>
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{
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b.Property<Guid>("Id")
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.ValueGeneratedOnAdd()
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.HasColumnType("TEXT");
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b.Property<string>("Cryptocurrency")
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.HasMaxLength(50)
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.HasColumnType("TEXT");
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b.Property<string>("FiatCurrency")
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.IsRequired()
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.HasMaxLength(3)
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.HasColumnType("TEXT");
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b.Property<Guid>("OrderId")
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.HasColumnType("TEXT");
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b.Property<Guid>("ProductId")
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.HasColumnType("TEXT");
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b.Property<string>("ProductName")
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.IsRequired()
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.HasMaxLength(200)
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.HasColumnType("TEXT");
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b.Property<int>("Quantity")
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.HasColumnType("INTEGER");
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b.Property<decimal?>("SalePriceBTC")
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.HasColumnType("decimal(18,8)");
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b.Property<decimal>("SalePriceFiat")
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.HasColumnType("decimal(18,2)");
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b.Property<DateTime>("SoldAt")
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.HasColumnType("TEXT");
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b.HasKey("Id");
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b.HasIndex("OrderId");
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b.HasIndex("ProductId");
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b.HasIndex("SoldAt");
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b.HasIndex("ProductId", "SoldAt");
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b.ToTable("SalesLedgers");
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});
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modelBuilder.Entity("LittleShop.Models.ShippingRate", b =>
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{
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b.Property<Guid>("Id")
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@@ -1303,6 +1368,39 @@ namespace LittleShop.Migrations
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b.ToTable("Users");
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});
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modelBuilder.Entity("LittleShop.Models.VariantCollection", b =>
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{
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b.Property<Guid>("Id")
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.ValueGeneratedOnAdd()
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.HasColumnType("TEXT");
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b.Property<DateTime>("CreatedAt")
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.HasColumnType("TEXT");
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b.Property<bool>("IsActive")
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.HasColumnType("INTEGER");
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b.Property<string>("Name")
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.IsRequired()
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.HasMaxLength(100)
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.HasColumnType("TEXT");
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b.Property<string>("PropertiesJson")
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.IsRequired()
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.HasColumnType("TEXT");
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b.Property<DateTime>("UpdatedAt")
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.HasColumnType("TEXT");
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b.HasKey("Id");
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b.HasIndex("IsActive");
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b.HasIndex("Name");
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b.ToTable("VariantCollections");
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});
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modelBuilder.Entity("LittleShop.Models.BotActivity", b =>
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{
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b.HasOne("LittleShop.Models.Bot", "Bot")
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@@ -1454,7 +1552,13 @@ namespace LittleShop.Migrations
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.OnDelete(DeleteBehavior.Restrict)
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.IsRequired();
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b.HasOne("LittleShop.Models.VariantCollection", "VariantCollection")
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.WithMany()
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.HasForeignKey("VariantCollectionId");
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b.Navigation("Category");
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b.Navigation("VariantCollection");
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});
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modelBuilder.Entity("LittleShop.Models.ProductMultiBuy", b =>
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@@ -1541,6 +1645,25 @@ namespace LittleShop.Migrations
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b.Navigation("Product");
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});
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modelBuilder.Entity("LittleShop.Models.SalesLedger", b =>
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{
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b.HasOne("LittleShop.Models.Order", "Order")
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.WithMany()
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.HasForeignKey("OrderId")
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.OnDelete(DeleteBehavior.Restrict)
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.IsRequired();
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b.HasOne("LittleShop.Models.Product", "Product")
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.WithMany("SalesLedgers")
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.HasForeignKey("ProductId")
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.OnDelete(DeleteBehavior.Restrict)
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.IsRequired();
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b.Navigation("Order");
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b.Navigation("Product");
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});
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modelBuilder.Entity("LittleShop.Models.Bot", b =>
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{
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b.Navigation("Metrics");
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@@ -1584,6 +1707,8 @@ namespace LittleShop.Migrations
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b.Navigation("Reviews");
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b.Navigation("SalesLedgers");
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b.Navigation("Variants");
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});
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