FirstAvalonia/AvaloniaExample/Models/UsersContext.cs

using System;
using System.Collections.Generic;
using Microsoft.EntityFrameworkCore;

namespace AvaloniaExample.Models;

public partial class UsersContext : DbContext
{
    public UsersContext()
    {
    }

    public UsersContext(DbContextOptions<UsersContext> options)
        : base(options)
    {
    }

    public virtual DbSet<Login> Logins { get; set; }

    public virtual DbSet<Subject> Subjects { get; set; }

    public virtual DbSet<TeacherSubject> TeacherSubjects { get; set; }

    public virtual DbSet<UsersInfo> UsersInfos { get; set; }

    protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
#warning To protect potentially sensitive information in your connection string, you should move it out of source code. You can avoid scaffolding the connection string by using the Name= syntax to read it from configuration - see https://go.microsoft.com/fwlink/?linkid=2131148. For more guidance on storing connection strings, see http://go.microsoft.com/fwlink/?LinkId=723263.
        => optionsBuilder.UseNpgsql("Host=localhost;Port=5432;Database=Users;Username=postgres;Password=123");

    protected override void OnModelCreating(ModelBuilder modelBuilder)
    {
        modelBuilder
            .HasPostgresEnum("genders", new[] { "мужчина", "женщина" })
            .HasPostgresEnum("roles", new[] { "администратор", "преподаватель", "студент" });

        modelBuilder.Entity<Login>(entity =>
        {
            entity.HasKey(e => e.Id).HasName("logins_pkey");

            entity.ToTable("logins");

            entity.HasIndex(e => e.Value, "login_unique").IsUnique();

            entity.Property(e => e.Id).HasColumnName("id");
            entity.Property(e => e.Role).HasColumnName("role");
            entity.Property(e => e.Value)
                .HasMaxLength(40)
                .HasColumnName("login");
            entity.Property(e => e.Password)
                .HasMaxLength(40)
                .HasColumnName("password");
        });

        modelBuilder.Entity<Subject>(entity =>
        {
            entity.HasKey(e => e.Id).HasName("subjects_pkey");

            entity.ToTable("subjects");

            entity.Property(e => e.Id).HasColumnName("id");
            entity.Property(e => e.Description)
                .HasMaxLength(300)
                .HasColumnName("description");
            entity.Property(e => e.Name)
                .HasMaxLength(60)
                .HasColumnName("name");
        });

        modelBuilder.Entity<TeacherSubject>(entity =>
        {
            entity
                .HasNoKey()
                .ToTable("teacher_subject");

            entity.Property(e => e.Login)
                .HasMaxLength(40)
                .HasColumnName("login");
            entity.Property(e => e.Subject).HasColumnName("subject");

            entity.HasOne(d => d.LoginNavigation).WithMany()
                .HasForeignKey(d => d.Login)
                .HasConstraintName("teacher_subject_login_fkey");

            entity.HasOne(d => d.SubjectNavigation).WithMany()
                .HasForeignKey(d => d.Subject)
                .HasConstraintName("teacher_subject_subject_fkey");
        });

        modelBuilder.Entity<UsersInfo>(entity =>
        {
            entity.HasKey(e => e.Login).HasName("users_info_pkey");

            entity.ToTable("users_info");

            entity.HasIndex(e => e.Mail, "users_info_mail_key").IsUnique();

            entity.HasIndex(e => e.Phone, "users_info_phone_key").IsUnique();

            entity.Property(e => e.Login)
                .HasMaxLength(40)
                .HasColumnName("login");
            entity.Property(e => e.DateBirth).HasColumnName("date_birth");
            entity.Property(e => e.Gender).HasColumnName("gender");
            entity.Property(e => e.Mail)
                .HasMaxLength(60)
                .HasColumnName("mail");
            entity.Property(e => e.Name)
                .HasMaxLength(200)
                .HasColumnName("name");
            entity.Property(e => e.Phone)
                .HasMaxLength(20)
                .HasColumnName("phone");

            entity.HasOne(d => d.LoginNavigation).WithOne(p => p.UsersInfo)
                .HasPrincipalKey<Login>(p => p.Value)
                .HasForeignKey<UsersInfo>(d => d.Login)
                .OnDelete(DeleteBehavior.ClientSetNull)
                .HasConstraintName("users_info_login_fkey");
        });

        OnModelCreatingPartial(modelBuilder);
    }

    partial void OnModelCreatingPartial(ModelBuilder modelBuilder);
}