ANTOOZA-BACKEND/Infrastructure/Persistence/Configurations/Store/OrderItemConfiguration.cs

using Domain.Entities.Store;
using Microsoft.EntityFrameworkCore;
using Microsoft.EntityFrameworkCore.Metadata.Builders;

namespace Infrastructure.Persistence.Configurations.Store;

public sealed class OrderItemConfiguration : IEntityTypeConfiguration<OrderItem>
{
    public void Configure(EntityTypeBuilder<OrderItem> builder)
    {
        builder.ToTable(nameof(OrderItem), t => t.HasComment("주문 라인"));
        builder.HasKey(x => x.ID);

        builder.HasOne(x => x.Product).WithMany().HasForeignKey(x => x.ProductID).OnDelete(DeleteBehavior.Restrict);
        builder.HasOne(x => x.IssuedCouponCode).WithMany().HasForeignKey(x => x.IssuedCouponCodeID).OnDelete(DeleteBehavior.NoAction);

        builder.Property(x => x.OrderID).IsRequired();
        builder.Property(x => x.ProductID).IsRequired();
        builder.Property(x => x.Quantity).IsRequired();
        builder.Property(x => x.UnitPrice).IsRequired().HasComment("주문 시점 상품 단가 스냅샷");
        builder.Property(x => x.IssuedCouponCodeID).HasComment("Digital 상품 발급 쿠폰 코드");
        builder.Property(x => x.CreatedAt).IsRequired();

        builder.HasIndex(x => x.OrderID);
        builder.HasIndex(x => x.ProductID);
    }
}