Ошибка возникает при сохранении пары объектов.
Код
Класс данных
public class User
{
public Guid Id { get; set; }
public string FirstName { get; set; }
public string LastName { get; set; }
public string Email { get; set; }
public string Password { get; set; }
public bool IsApproved { get; set; }
public bool IsBlock { get; set; }
public bool IsGuest { get; set; }
public string CodeGuest { get; set; }
public Gender Gender { get; set; }
public DateTime? Birth { get; set; }
public virtual ICollection<Role> Roles { get; set; }
public virtual Couple Couple { get; set; }
public User()
{
Id = Guid.NewGuid();
}
}
public class Couple
{
public Guid Id { get; private set; }
public string UrlKeyword { get; set; }
public virtual User Groom { get; set; }
public virtual User Bride { get; set; }
public DateTime? Marriage { get; set; }
public DateTime? Dating { get; set; }
public DateTime? Engagement { get; set; }
public virtual ICollection<User> Users { get; set; }
public Couple()
{
Id = Guid.NewGuid();
}
}
Контекст и конфигурации
public class DataContext : DbContext
{
#region Collections
public DbSet<Role> Roles { get; set; }
public DbSet<User> Users { get; set; }
public DbSet<Couple> Couples { get; set; }
#endregion
public DataContext()
{
Database.SetInitializer(new AndMarriedInitializer());
if (!Database.CreateIfNotExists())
Database.CreateIfNotExists();
}
protected override void OnModelCreating(DbModelBuilder modelBuilder)
{
modelBuilder.Configurations.Add(new UserConfiguration());
base.OnModelCreating(modelBuilder);
}
}
public class UserConfiguration : EntityTypeConfiguration<User>
{
public UserConfiguration()
{
HasKey(p => p.Id).
Property(p => p.Id)
.IsRequired();
Property(p => p.FirstName)
.HasMaxLength(60)
.IsRequired();
Property(p => p.LastName)
.HasMaxLength(120)
.IsRequired();
Property(p => p.Email)
.HasMaxLength(120)
.IsRequired();
Property(p => p.Password)
.HasMaxLength(60);
Property(p => p.CodeGuest)
.HasMaxLength(60);
HasRequired(u => u.Couple).WithRequiredPrincipal();
}
}
public class CoupleConfiguration : EntityTypeConfiguration<Couple>
{
public CoupleConfiguration()
{
HasKey(p => p.Id)
.Property(p => p.Id)
.IsRequired();
Property(p => p.UrlKeyword)
.IsRequired()
.HasMaxLength(25);
HasRequired(p => p.Groom).WithRequiredPrincipal().WillCascadeOnDelete();
HasRequired(p => p.Bride).WithRequiredPrincipal().WillCascadeOnDelete();
}
}
public class AndMarriedInitializer : DropCreateDatabaseIfModelChanges<DataContext>
{
protected override void Seed(DataContext context)
{
context.Roles.Add(new Role
{
Name = Constants.RoleAdmin
});
context.Roles.Add(new Role
{
Name = Constants.RoleCouple
});
context.Roles.Add(new Role
{
Name = Constants.RoleGuest
});
context.SaveChanges();
base.Seed(context);
}
}
Вопрос
Не знаю, правильно ли настроено, но мы относимся к паре с пользователем: 1 к 1.
Не совсем понимаю, какWithRequiredPrincipal и WithRequiredDependent
Ошибка
On SaveChanges () =>
The INSERT statement conflicted with the FOREIGN KEY constraint "User_Couple". The conflict occurred in database "andmarried", table "dbo.Users", column 'Id'.
The statement has been terminated.