protected override void OnModelCreating(ModelBuilder modelBuilder)
{
UserEntity.Configure(modelBuilder.Entity <UserEntity>());
BookEntity.Configure(modelBuilder.Entity <BookEntity>());
OrderEntity.Configure(modelBuilder.Entity <OrderEntity>());
PostEntity.Configure(modelBuilder.Entity <PostEntity>());
CommentEntity.Congifure(modelBuilder.Entity <CommentEntity>());
RewardEntity.Configure(modelBuilder.Entity <RewardEntity>());
ShoppingCartEntity.Configure(modelBuilder.Entity <ShoppingCartEntity>());
}
