chess/TURN.Services.Chess/DBModel/ModelBaseContext.cs

using Microsoft.EntityFrameworkCore;

namespace TURN.Services.Chess.DBModel
{
    public partial class ModelBaseContext : DbContext
    {
        public ModelBaseContext()
        {
        }

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

        public virtual DbSet<Game> Games { get; set; }

        protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
        {
            try
            {
                _ = !string.IsNullOrEmpty(Environment.GetEnvironmentVariable("DB"))
                    ? optionsBuilder.UseNpgsql(Environment.GetEnvironmentVariable("DB"))
                    : optionsBuilder.UseNpgsql("Server=localhost;Port=5432;Database=TURNChess;UserId=postgres;" +
                        "Password=example;");
            }
            catch (Exception)
            {
                _ = optionsBuilder.UseNpgsql("Server=localhost;Port=5432;Database=TURNChess;UserId=postgres;Password=example;");
            }
        }

        protected override void OnModelCreating(ModelBuilder modelBuilder)
        {
            _ = modelBuilder.Entity<Game>(entity =>
            {
                _ = entity.HasKey(e => e.GameId);
                _ = entity.Property(e => e.GameId)
                    .ValueGeneratedOnAdd()
                    .HasColumnName("GameId");
            });

            OnModelCreatingPartial(modelBuilder);
        }

        partial void OnModelCreatingPartial(ModelBuilder modelBuilder);
    }
}