littleshop/LittleShop/Areas/Admin/Controllers/VariantCollectionsController.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

88 lines
2.3 KiB
C#

using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using LittleShop.Services;
using LittleShop.DTOs;
namespace LittleShop.Areas.Admin.Controllers;
[Area("Admin")]
[Authorize(Policy = "AdminOnly")]
public class VariantCollectionsController : Controller
{
private readonly IVariantCollectionService _variantCollectionService;
public VariantCollectionsController(IVariantCollectionService variantCollectionService)
{
_variantCollectionService = variantCollectionService;
}
public async Task<IActionResult> Index()
{
var collections = await _variantCollectionService.GetAllVariantCollectionsAsync();
return View(collections);
}
public IActionResult Create()
{
return View(new CreateVariantCollectionDto());
}
[HttpPost]
[ValidateAntiForgeryToken]
public async Task<IActionResult> Create(CreateVariantCollectionDto model)
{
if (!ModelState.IsValid)
{
return View(model);
}
await _variantCollectionService.CreateVariantCollectionAsync(model);
return RedirectToAction(nameof(Index));
}
public async Task<IActionResult> Edit(Guid id)
{
var collection = await _variantCollectionService.GetVariantCollectionByIdAsync(id);
if (collection == null)
{
return NotFound();
}
var model = new UpdateVariantCollectionDto
{
Name = collection.Name,
PropertiesJson = collection.PropertiesJson,
IsActive = collection.IsActive
};
ViewData["CollectionId"] = id;
return View(model);
}
[HttpPost]
[ValidateAntiForgeryToken]
public async Task<IActionResult> Edit(Guid id, UpdateVariantCollectionDto model)
{
if (!ModelState.IsValid)
{
ViewData["CollectionId"] = id;
return View(model);
}
var success = await _variantCollectionService.UpdateVariantCollectionAsync(id, model);
if (!success)
{
return NotFound();
}
return RedirectToAction(nameof(Index));
}
[HttpPost]
[ValidateAntiForgeryToken]
public async Task<IActionResult> Delete(Guid id)
{
await _variantCollectionService.DeleteVariantCollectionAsync(id);
return RedirectToAction(nameof(Index));
}
}