ANTOOZA-BACKEND/Application/Features/Admin/Store/GameCatalog/Update/Handler.cs

using Application.Abstractions.Data;
using Application.Abstractions.Messaging;
using Microsoft.EntityFrameworkCore;
using SharedKernel.Results;

namespace Application.Features.Admin.Store.GameCatalog.Update;

internal sealed class Handler(IAppDbContext db) : ICommandHandler<Command, Result>
{
    public async Task<Result> Handle(Command request, CancellationToken ct)
    {
        if (request.Price <= 0)
        {
            return Result.Failure(Error.Problem("GameCatalog.PriceInvalid", "정가는 1 이상이어야 합니다."));
        }

        var row = await db.GameProductCatalog.FirstOrDefaultAsync(c => c.ID == request.ID, ct);

        if (row is null)
        {
            return Result.Failure(Error.NotFound("GameCatalog.NotFound", "카탈로그 항목을 찾을 수 없습니다."));
        }

        row.Update(request.Price, request.IsActive);
        await db.SaveChangesAsync(ct);

        return Result.Success();
    }
}