mapo-core/MP.AppAuth/AppAuthContext.cs

using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.Configuration;
using MP.AppAuth.Models;
using NLog;
using System;

namespace MP.AppAuth
{
    public partial class AppAuthContext : DbContext
    {
        #region Private Fields

        private static NLog.Logger Log = LogManager.GetCurrentClassLogger();

        private IConfiguration _configuration;

        #endregion Private Fields

        #region Public Constructors

        [Obsolete("This constructor should never be used directly, and is only needed to generate entityframework stuff. Connection string can be adapted as pleased.")]
        public AppAuthContext()
        {
        }

        public AppAuthContext(IConfiguration configuration)
        {
            _configuration = configuration;
            try
            {
                // se non ci fosse... crea o migra!
                Database.Migrate();
            }
            catch (Exception exc)
            {
                Log.Error(exc, "Exception during context initialization 01");
            }
        }

        public AppAuthContext(DbContextOptions<AppAuthContext> options) : base(options)
        {
            try
            {
                // se non ci fosse... crea o migra!
                Database.Migrate();
            }
            catch (Exception exc)
            {
                Log.Error(exc, "Exception during context initialization 02");
            }
        }

        #endregion Public Constructors

        #region Public Properties

        public virtual DbSet<AnagraficaOperatori> DbSetAnagOpr { get; set; }
        public virtual DbSet<UpdMan> DbSetUpdMan { get; set; }
        public virtual DbSet<Vocabolario> DbSetVocabolario { get; set; }

        #endregion Public Properties

        #region Private Methods

        partial void OnModelCreatingPartial(ModelBuilder modelBuilder);

        #endregion Private Methods

        #region Protected Methods

        protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
        {
            if (!optionsBuilder.IsConfigured)
            {
                string connString = _configuration.GetConnectionString("MP.Land");
                if (!string.IsNullOrEmpty(connString))
                {
                    optionsBuilder.UseSqlServer(connString);
                }
                else
                {
                    optionsBuilder.UseSqlServer("Server=SQL2016DEV;Database=MoonPro;Trusted_Connection=True;");
                }
            }
        }

        protected override void OnModelCreating(ModelBuilder modelBuilder)
        {
            modelBuilder.HasAnnotation("Relational:Collation", "SQL_Latin1_General_CP1_CI_AS");

            modelBuilder.Entity<Vocabolario>(entity =>
            {
                entity.HasKey(e => new { e.Lingua, e.Lemma });

                entity.ToTable("Vocabolario");

                entity.Property(e => e.Lingua).HasMaxLength(3);

                entity.Property(e => e.Lemma).HasMaxLength(50);

                entity.Property(e => e.Traduzione)
                    .IsRequired()
                    .HasMaxLength(500);
            });

            //
            modelBuilder.Seed();

            OnModelCreatingPartial(modelBuilder);
        }

        #endregion Protected Methods
    }
}