using System;
using System.Linq;
using System.Threading.Tasks;
using Intellenum.Examples.Types;
using Microsoft.Data.Sqlite;
using Microsoft.EntityFrameworkCore;
namespace Intellenum.Examples.SerializationAndConversion
{
public class EfCoreExamples : IScenario
{
public Task Run()
{
EfCoreValueConverterUsesValueConverter();
return Task.CompletedTask;
}
private static void EfCoreValueConverterUsesValueConverter()
{
var connection = new SqliteConnection("DataSource=:memory:");
connection.Open();
var options = new DbContextOptionsBuilder<TestDbContext>()
.UseSqlite(connection)
.Options;
var original = new TestEntity { Id = EfCoreStringEnum.Item1 };
using (var context = new TestDbContext(options))
{
context.Database.EnsureCreated();
context.Entities.Add(original);
context.SaveChanges();
}
using (var context = new TestDbContext(options))
{
var all = context.Entities.ToList();
var retrieved = all.Single();
Console.WriteLine(retrieved);
}
}
public class TestDbContext : DbContext
{
public DbSet<TestEntity> Entities { get; set; }
public TestDbContext(DbContextOptions options) : base(options)
{
}
protected override void OnModelCreating(ModelBuilder modelBuilder)
{
modelBuilder
.Entity<TestEntity>(builder =>
{
builder
.Property(x => x.Id)
.HasConversion(new EfCoreStringEnum.EfCoreValueConverter())
.ValueGeneratedNever();
});
}
}
public class TestEntity
{
public EfCoreStringEnum Id { get; set; }
}
}
}
