session-companion/SessionCompanion/SessionCompanion.Database/ApplicationDbContext.cs

using Microsoft.EntityFrameworkCore;
using SessionCompanion.Database.Tables;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace SessionCompanion.Database
{
    public class ApplicationDbContext : DbContext
    {
        public virtual DbSet<Alignment> Alignments { get; set; }
        public virtual DbSet<Background> Backgrounds { get; set; }
        public virtual DbSet<Biography> Biographies { get; set; }
        public virtual DbSet<Character> Characters { get; set; }
        public virtual DbSet<Class> Classes { get; set; }
        public virtual DbSet<Race> Races { get; set; }
        public virtual DbSet<Statistics> Statistics { get; set; }
        public virtual DbSet<User> Users { get; set; }

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

        protected override void OnModelCreating(ModelBuilder builder)
        {
            base.OnModelCreating(builder);
            builder.Entity<User>().HasData(
                new
                {
                    Id = 1,
                    Nickname = "Morwiec",
                    Password = "123"
                },
                    new
                    {
                        Id = 2,
                        Nickname = "Cichoklepiec",
                        Password = "123"
                    },
                    new
                    {
                        Id = 3,
                        Nickname = "Ruletka",
                        Password = "123"
                    }
                );
        }
    }
}