public static IConfigurationBuilder AddEntityFameworkValues(this IConfigurationBuilder builder, Action <EfConfgurationOptions> optionsAction = null)
{
//build the configuration up to this point
var connectionStringConfig = builder.Build();
//set the default settings
var efOptions = new EfConfgurationOptions
{
ConnectionStringName = "DefaultConnection",
PollingInterval = 1000
};
//invoke user customized settings
optionsAction?.Invoke(efOptions);
//configure entity framework to use SqlServer
var dbOptions = new DbContextOptionsBuilder <ConfigurationContext>();
var migrationsAssembly = typeof(EfConfigurationExtensions).GetTypeInfo().Assembly.GetName().Name;
dbOptions = dbOptions.UseSqlServer(
connectionStringConfig.GetConnectionString(efOptions.ConnectionStringName),
options => options.MigrationsAssembly(migrationsAssembly)
);
//add our new database source for configuration items
return(builder.Add(new EfConfigurationSource(dbOptions.Options, efOptions)));
}
public EfConfigurationProvider(DbContextOptions <ConfigurationContext> dbOptions, EfConfgurationOptions efOptions)
{
_cancellationToken = new CancellationTokenSource();
_dbOptions = dbOptions;
_efOptions = efOptions;
}
/// <summary>
/// Create a configuration source that returns configuration items from the database
/// </summary>
/// <param name="dbOptions">The Entity Framework Database Configuration</param>
/// <param name="efOptions">The options to use for this source</param>
public EfConfigurationSource(DbContextOptions <ConfigurationContext> dbOptions, EfConfgurationOptions efOptions)
{
_dbOptions = dbOptions;
_efOptions = efOptions;
}