using Microsoft.EntityFrameworkCore; using Microsoft.EntityFrameworkCore.Metadata.Builders; namespace CompanyManagment.EFCore.Mapping; public class FileMapping : IEntityTypeConfiguration { public void Configure(EntityTypeBuilder builder) { builder.ToTable("Files"); builder.HasKey(x => x.id); //TODO //add validations builder.HasMany(x => x.BoardsList).WithOne(x => x.File1).HasForeignKey(x => x.File_Id); builder.HasMany(x => x.PetitionsList).WithOne(x => x.File1).HasForeignKey(x => x.File_Id); builder.HasMany(x => x.FileAlertsList).WithOne(x => x.File).HasForeignKey(x => x.File_Id); } }