Diplom_B/DB/MainDB.cs

using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.ComponentModel.DataAnnotations.Schema;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Microsoft.EntityFrameworkCore;

namespace Diplom_B.DB
{
	public class MainDB : DbContext
	{
		public DbSet<User> Users { get; set; }
		public DbSet<Status> Statusy { get; set; }
		public DbSet<Dogovor> Dogovory { get; set; }
		public DbSet<Izdelie> Izdeliya { get; set; }
		public DbSet<DogIzd> DogIzds { get; set; }
		public DbSet<Zakazchik> Zakazchiki { get; set; }
		public DbSet<Document> Documenty { get; set; }
		public DbSet<Izveschenie> Izvescheniya { get; set; }
		public DbSet<DocIzv> DocIzvs { get; set; }
		public DbSet<Postavka> Postavki { get; set; }
		public DbSet<Oplata> Oplaty { get; set; }
		

		public MainDB() {
			//Database.Migrate();
			Database.EnsureCreated();
		}

		protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
		{
			optionsBuilder.UseSqlite("Data Source=" + Directory.GetCurrentDirectory() + Path.DirectorySeparatorChar + "Diplom_B.db;");
		}
		protected override void OnModelCreating(ModelBuilder modelBuilder) { }

	}
	public class User
	{
		[Key, DatabaseGenerated(DatabaseGeneratedOption.Identity)]
		public int Id { get; set; }
		public string Name { get; set; }
		public string Pass { get; set; }
		public int Dog { get; set; }
		public int Doc { get; set; }
		public int Izv { get; set; }
		public int Post { get; set; }
		public int Izd { get; set; }
		public int Zak { get; set; }
		public int Set { get; set; }
		public int Default { get; set; }
	}
	public class Status
	{
		[Key, DatabaseGenerated(DatabaseGeneratedOption.Identity)]
		public int Id { get; set; }
		public string Stat { get; set; }
	}
	public class Dogovor
	{
		[Key, DatabaseGenerated(DatabaseGeneratedOption.Identity)]
		public int Id { get; set; }
		public string DogNum { get; set; }
		public List<DogIzd> DogIzds { get; set; }

		[ForeignKey("Zakazchik")]
		public int ZakazchikId { get; set; }
		public Zakazchik Zakazchik { get; set; }

		public DateTime DataPostavky { get; set; }
		public string Garantiy { get; set; }
		public string PrikazZapusk { get; set; }
		public double Avans { get; set; }
		public List<Oplata> Platejy { get; set; }
		public string Primechanie { get; set; }
	}
	public class Izdelie
	{
		[Key, DatabaseGenerated(DatabaseGeneratedOption.Identity)]
		public int Id { get; set; }
		public string Name { get; set; }
		public string DecNum { get; set; }
		public string Shifr { get; set; }
		public string Litera { get; set; }
		public double Cena { get; set; }
		public int OtdelRazrab { get; set; }
		public string Ved { get; set; }
		public string GlavKonstr { get; set; }
		public List<Postavka> Postavky { get; set; }
		public List<DogIzd> DogIzds { get; set; }
	}
	public class DogIzd
	{
		[Key, DatabaseGenerated(DatabaseGeneratedOption.Identity)]
		public int Id { get; set; }
		public int Kolvo { get; set; }
		
		[ForeignKey("Dogovor")]
		public int DogovorId { get; set; }
		public Dogovor Dogovor { get; set; }

		[ForeignKey("Izdelie")]
		public int IzdelieId { get; set; }
		public Izdelie Izdelie { get; set; }
	}
	public class Zakazchik
	{
		[Key, DatabaseGenerated(DatabaseGeneratedOption.Identity)]
		public int Id { get; set; }
		public string Name { get; set; }
		public string Adress { get; set; }
		public string Phone { get; set; }
		public string Email { get; set; }
		public List<Dogovor> Dogovory { get; set; }
	}
	public class Document
	{
		[Key, DatabaseGenerated(DatabaseGeneratedOption.Identity)]
		public int Id { get; set; }
		public string InvNum { get; set; }
		public string DecNum { get; set; }
		public string Name { get; set; }
		public string FileName { get; set; }
		public byte[] FileStruct { get; set; }
		public string Primechanie { get; set; }
		public List<DocIzv> DocIzvs { get; set; }
	}
	public class Izveschenie
	{
		[Key, DatabaseGenerated(DatabaseGeneratedOption.Identity)]
		public int Id { get; set; }
		public string IzvNum { get; set; }
		public int InvNum { get; set; }
		public int IzmNum { get; set; }
		public string UkazZad { get; set; }
		public string UkazVnedr { get; set; }
		public string FileName { get; set; }
		public byte[] FileStruct { get; set; }
		public List<DocIzv> DocIzvs { get; set; }
	}
	public class DocIzv
	{
		[Key, DatabaseGenerated(DatabaseGeneratedOption.Identity)]
		public int Id { get; set; }

		[ForeignKey("Document")]
		public int DocumentId { get; set; }
		public Document Document { get; set; }

		[ForeignKey("Izveschenie")]
		public int IzveschenieId { get; set; }
		public Izveschenie Izveschenie { get; set; }
	}
	public class Postavka
	{
		[Key, DatabaseGenerated(DatabaseGeneratedOption.Identity)]
		public int Id { get; set; }
		public string ZavNum { get; set; }

		[ForeignKey("Dogovor")]
		public int? DogovorId { get; set; }
		public Dogovor Dogovor { get; set; }

		[ForeignKey("Status")]
		public int StatusId { get; set; }
		public Status Status { get; set; }

		public DateTime DataPostavki { get; set; }
		public string Primechanie { get; set; }

		[ForeignKey("Izdelie")]
		public int? IzdelieId { get; set; }
		public Izdelie Izdelie { get; set; }
	}
	public class Oplata
	{
		[Key, DatabaseGenerated(DatabaseGeneratedOption.Identity)]
		public int Id { get; set; }
		public double Summa { get; set; }

		[ForeignKey("Dogovor")]
		public int DogovorId { get; set; }
		public Dogovor Dogovor { get; set; }
	}



}