using Microsoft.EntityFrameworkCore; using Demo.Data.RemoteData.RemoteDataBase.DAO; using System; using System.Collections.Generic; using System.Linq; using System.Security.Cryptography.X509Certificates; using System.Text; using System.Text.RegularExpressions; using System.Threading.Tasks; namespace Demo.Data.RemoteData.RemoteDataBase { public class RemoteDatabaseContext: DbContext { public DbSet Groups { get; set; } public DbSet Users { get; set; } public DbSet PresenceDaos { get; set; } protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder) { optionsBuilder.UseNpgsql("Host=localhost;Port=5432;Database=postgres;Username=postgres;Password=123"); } protected override void OnModelCreating(ModelBuilder modelBuilder) { modelBuilder.Entity().HasKey(group=>group.Id); modelBuilder.Entity().Property(group => group.Id).ValueGeneratedOnAdd(); modelBuilder.Entity().HasKey(user=>user.UserId); modelBuilder.Entity().Property(user=>user.UserId).ValueGeneratedOnAdd(); modelBuilder.Entity().HasKey(presence => new { presence.UserId, presence.Date, presence.IsAttedance, presence.LessonNumber }); } } }