bitforum-backend/Infrastructure/Persistence/Configurations/Crypto/CoinCategoryMapConfiguration.cs

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

namespace Infrastructure.Persistence.Configurations.Crypto;

public sealed class CoinCategoryMapConfiguration : IEntityTypeConfiguration<CoinCategoryMap>
{
    public void Configure(EntityTypeBuilder<CoinCategoryMap> builder)
    {
        builder.HasIndex(x => new { x.CoinID, x.CategoryID }).IsUnique();
        builder.HasIndex(x => x.CategoryID);

        builder.HasOne(x => x.CoinCategory).WithMany(x => x.CoinCategoryMap).HasForeignKey(x => x.CategoryID).OnDelete(DeleteBehavior.Restrict);

        builder.ToTable(nameof(CoinCategoryMap), t => t.HasComment("코인-카테고리 연결"));
        builder.HasKey(x => x.ID);
        builder.Property(x => x.ID).ValueGeneratedOnAdd().HasComment("PK");
        builder.Property(x => x.CoinID).IsRequired().HasComment("코인 ID");
        builder.Property(x => x.CategoryID).IsRequired().HasComment("카테고리 ID");
    }
}