open config file without dependency injection
public class AppSettings
{
private static AppSettings _appSettings;
public string AppConnection { get; set; }
public AppSettings(IConfiguration config)
{
this.AppConnection = config.GetValue<string>("AppConnection");
// Now set Current
_appSettings = this;
}
public static AppSettings Current
{
get
{
if(_appSettings == null)
{
_appSettings = GetCurrentSettings();
}
return _appSettings;
}
}
public static AppSettings GetCurrentSettings()
{
var builder = new ConfigurationBuilder()
.SetBasePath(Directory.GetCurrentDirectory())
.AddJsonFile("appsettings.json", optional: false, reloadOnChange: true)
.AddEnvironmentVariables();
IConfigurationRoot configuration = builder.Build();
var settings = new AppSettings(configuration.GetSection("AppSettings"));
return settings;
}
}