mws.backend.dotnet/infrastructure/Persistence/Configuration/DocumentConfiguration.cs

using Microsoft.EntityFrameworkCore;
using Microsoft.EntityFrameworkCore.Metadata.Builders;
using mws.backend.dotnet.domain.Documents;

namespace mws.backend.dotnet.infrastructure.Persistence.Configuration;

public class DocumentConfiguration : IEntityTypeConfiguration<Document>
{
    public void Configure(EntityTypeBuilder<Document> e)
    {
        e.ToTable("documents");
        e.HasKey(d => d.Id);
        e.Property(d => d.Title).HasMaxLength(300).IsRequired();
        e.Property(d => d.Type).HasConversion<string>().HasMaxLength(20);
        e.Property(d => d.Content).HasColumnType("text");

        e.HasIndex(d => new { d.ProjectId, d.ParentId });
        e.HasIndex(d => d.ParentId);

        e.HasOne(d => d.Parent)
            .WithMany(d => d.Children)
            .HasForeignKey(d => d.ParentId)
            .OnDelete(DeleteBehavior.Restrict);
    }
}