mabibli/MaBibli.Api/Data/MaBibliDbContext.cs

using MaBibli.Shared.Entites;
using Microsoft.EntityFrameworkCore;

namespace MaBibli.Api.Data;

public class MaBibliDbContext(DbContextOptions<MaBibliDbContext> options) : DbContext(options)
{
    public DbSet<Livre> Livres => Set<Livre>();

    public DbSet<Pret> Prets => Set<Pret>();

    protected override void OnModelCreating(ModelBuilder modelBuilder)
    {
        base.OnModelCreating(modelBuilder);

        modelBuilder.Entity<Livre>(livre =>
        {
            livre.Property(l => l.Titre).IsRequired();
            livre.HasIndex(l => l.Isbn);
            livre.HasMany(l => l.Prets)
                 .WithOne(p => p.Livre)
                 .HasForeignKey(p => p.LivreId)
                 .OnDelete(DeleteBehavior.Cascade);
        });

        modelBuilder.Entity<Pret>(pret =>
        {
            pret.Property(p => p.Emprunteur).IsRequired();
            pret.HasIndex(p => p.LivreId);
        });
    }
}