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

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

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

public class UserRoleConfiguration : IEntityTypeConfiguration<UserRole>
{
    public void Configure(EntityTypeBuilder<UserRole> e)
    {
        e.ToTable("user_roles");
        e.HasKey(ur => new { ur.UserId, ur.RoleId });

        e.HasOne(ur => ur.User)
            .WithMany(u => u.UserRoles)
            .HasForeignKey(ur => ur.UserId)
            .OnDelete(DeleteBehavior.Cascade);

        e.HasOne(ur => ur.Role)
            .WithMany(r => r.UserRoles)
            .HasForeignKey(ur => ur.RoleId)
            .OnDelete(DeleteBehavior.Cascade);
    }
}