prs/prs.stores/BillStore.cs

using Comal.Classes;
using InABox.Core;
using System;

namespace Comal.Stores;

internal class BillStore : BaseStore<Bill>
{
    protected override void BeforeSave(Bill entity)
    {
        base.BeforeSave(entity);

        if(entity.HasOriginalValue(x => x.Number) || entity.SupplierLink.HasOriginalValue(x => x.ID))
        {
            var existing = Provider.Query<Bill>(
                new Filter<Bill>(x => x.Number).IsEqualTo(entity.Number)
                    .And(x => x.SupplierLink.ID).IsEqualTo(entity.SupplierLink.ID)
                    .And(x => x.ID).IsNotEqualTo(entity.ID),
                Columns.None<Bill>().Add(x => x.ID));
            if(existing.Rows.Count > 0)
            {
                throw new DuplicateCodeException(typeof(Bill), new Dictionary<string, object> {{ nameof(Bill.Number), entity.Number }});
            }
        }
        //UpdateAggregate<Supplier>(entity, entity.SupplierLink, Sum<Supplier>(b => b.Balance, s => s.Balance));
    }

    protected override void BeforeDelete(Bill entity)
    {
        base.BeforeDelete(entity);

        entity.SupplierLink.ID = Guid.Empty;
        //UpdateAggregate<Supplier>(entity, entity.SupplierLink, Sum<Supplier>(b => b.Balance, s => s.Balance));
    }
}