SUBD_Aleikin/Restaurant/RestaurantDatabaseImplement/RestaurantDatabase.cs

using Microsoft.EntityFrameworkCore;
using RestaurantDatabaseImplement.Models;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace RestaurantDatabaseImplement
{
    public class RestaurantDatabase : DbContext
    {
        protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
        {
            if (optionsBuilder.IsConfigured == false)
            {
                optionsBuilder.UseNpgsql(@"
                    Host=192.168.0.108;
                    Port=5432;
                    Database=RestaurantDatabase;
                    Username=postgres;
                    Password=postgres");
            }
            base.OnConfiguring(optionsBuilder);
        }

        public virtual DbSet<Component> Components { set; get; }
        public virtual DbSet<Product> Products { set; get; }
        public virtual DbSet<ProductComponent> ProductComponents { set; get; }
        public virtual DbSet<Provider> Providers { set; get; }
        public virtual DbSet<ComponentProvider> ComponentProviders { set; get; }
        public virtual DbSet<Order> Orders { set; get; }
        public virtual DbSet<OrderProduct> OrderProducts { set; get; }
        public virtual DbSet<Client> Clients { set; get; }
    }
}