Connected.Logistics/Connected.Logistics.Types/WarehouseLocations/WarehouseLocationProtection.cs

using Connected.Data.DataProtection;
using Connected.Data.EntityProtection;
using Connected.Entities;
using Connected.Middleware;
using Connected.Validation;

namespace Connected.Logistics.Types.WarehouseLocations;
internal class WarehouseLocationProtection : MiddlewareComponent, IEntityProtector<IWarehouseLocation>
{
	public WarehouseLocationProtection(IWarehouseLocationCache cache)
	{
		Cache = cache;
	}

	public IWarehouseLocationCache Cache { get; }

	public async Task Invoke(EntityProtectionArgs<IWarehouseLocation> args)
	{
		if (args.State != State.Deleted)
			return;
		/*
		 * We are protecting the children because warehouse locations support nesting entities.
		 */
		if (args.Entity.ItemCount > 0)
			throw ValidationExceptions.ReferenceExists(args.Entity.GetType(), args.Entity.Id);

		await Task.CompletedTask;
	}
}