Connected.Logistics/Logistics.Types/Packaging/PackingValidation.cs

using Connected.Middleware;
using Connected.Validation;

namespace Logistics.Types.Packaging;
internal sealed class InsertPackingValidator : MiddlewareComponent, IValidator<InsertPackingArgs>
{
	public InsertPackingValidator(IPackingService packingService)
	{
		PackingService = packingService;
	}

	public IPackingService PackingService { get; }

	public async Task Validate(InsertPackingArgs args)
	{
		if (await PackingService.Select(new SelectPackingArgs
		{
			Ean = args.Ean
		}) is not null)
		{
			throw ValidationExceptions.ValueExists(nameof(args.Ean), args.Ean);
		}
	}
}

internal sealed class UpdatePackingValidator : MiddlewareComponent, IValidator<UpdatePackingArgs>
{
	public UpdatePackingValidator(IPackingService packingService)
	{
		PackingService = packingService;
	}

	public IPackingService PackingService { get; }

	public async Task Validate(UpdatePackingArgs args)
	{
		if (await PackingService.Select(new SelectPackingArgs
		{
			Ean = args.Ean
		}) is Packing entity && entity.Id != args.Id)
		{
			throw ValidationExceptions.ValueExists(nameof(args.Ean), args.Ean);
		}
	}
}