system-praktyk-api/src/InternshipSystem.Repository/InternshipDbContext.cs

using Microsoft.EntityFrameworkCore;
using InternshipSystem.Core;

namespace InternshipSystem.Repository
{
    public class InternshipDbContext : DbContext
    {
        public DbSet<Internship> Internships { get; set; }
        public DbSet<Company> Companies { get; set; }
        public DbSet<Edition> Editions { get; set; }
        public DbSet<Report> Reports { get; set; }
        public DbSet<Intern> Interns { get; set; }
        public DbSet<InternshipType> InternshipTypes { get; set; }
        public InternshipDbContext(DbContextOptions<InternshipDbContext> options)
            : base(options)
        {          
        }

        protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder) =>
            optionsBuilder
                .UseSnakeCaseNamingConvention();

        protected override void OnModelCreating(ModelBuilder modelBuilder) {
            modelBuilder
                .Entity<Internship>(ie => {
                    ie.OwnsOne(i => i.DeanAcceptance);
                    ie.OwnsOne(i => i.Insurance);
                    ie.OwnsOne(i => i.Mentor);
                });
            
            modelBuilder
                .Entity<Company>()
                .HasKey(c => c.Nip);
            
            modelBuilder
                .Entity<BranchOffice>()
                .OwnsOne(b => b.Address);

            modelBuilder
                .Entity<Intern>()
                .HasKey(i => i.AlbumNumber);
        }
    }
}