initial commit

Features/Inventory/Scrapping/Cqrs/UpdateScrappingItemHandler.cs

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+using Indotalent.Infrastructure.Database;
+using MediatR;
+using Microsoft.EntityFrameworkCore;
+
+namespace Indotalent.Features.Inventory.Scrapping.Cqrs;
+
+public class UpdateScrappingItemRequest
+{
+    public string? Id { get; set; }
+    public string? ProductId { get; set; }
+    public double? Movement { get; set; }
+}
+
+public record UpdateScrappingItemCommand(UpdateScrappingItemRequest Data) : IRequest<bool>;
+
+public class UpdateScrappingItemHandler : IRequestHandler<UpdateScrappingItemCommand, bool>
+{
+    private readonly AppDbContext _context;
+    public UpdateScrappingItemHandler(AppDbContext context) => _context = context;
+
+    public async Task<bool> Handle(UpdateScrappingItemCommand request, CancellationToken cancellationToken)
+    {
+        var entity = await _context.InventoryTransaction
+            .FirstOrDefaultAsync(x => x.Id == request.Data.Id, cancellationToken);
+
+        if (entity == null) return false;
+
+        entity.ProductId = request.Data.ProductId;
+        entity.Movement = Math.Abs(request.Data.Movement ?? 0);
+
+        _context.CalculateInvenTrans(entity);
+        await _context.SaveChangesAsync(cancellationToken);
+
+        return true;
+    }
+}