qliberace/Modules/qdr.app.qlbrc.base/Entities/DaoMapper/CurrencyDm.cs

using Microsoft.EntityFrameworkCore;
using Quadarax.Application.QLiberace.Common.Entities.Base.DaoMapper;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Quadarax.Application.QLiberace.Base.Entities.DaoMapper
{
    public class CurrencyDm: TrackedDm<Currency>
    {
        public override void Map(ModelBuilder builder)
        {

            if (builder == null) throw new ArgumentNullException(nameof(builder));

            base.Map(builder);
            builder.Entity<Currency>(entity =>
                {
                    entity.ToTable(Constants.Modules.Base.TblCurrency, Constants.Modules.Base.Schema);

                    // indexes
                    entity.HasIndex(e => e.Code, "IDX_CURRENCY_CODE")
                        .IsUnique();

                    // columns
                    entity.Property(e => e.Code).IsRequired()
                        .HasMaxLength(5)
                        .HasComment("Currency code. Main key to search.");

                    entity.Property(e => e.Name).IsRequired()
                        .HasMaxLength(50)
                        .HasComment("Currency name. Informational value.");

                    entity.Property(e => e.Sign).IsRequired()
                        .HasMaxLength(3)
                        .HasComment("Currency sign chars");


                }
            );
        }
    }
}