public static IConfiguration SetValue <T>([NotNull] this IConfiguration config, [NotNull] Expression <Func <T> > expression, [CanBeNull] T value, [CanBeNull] string instance = null)
{
if (config == null)
{
throw new ArgumentNullException(nameof(config));
}
if (expression == null)
{
throw new ArgumentNullException(nameof(expression));
}
var settingInfo = SettingMetadata.FromExpression(expression, false);
var query = ValueQueryFactory.CreateSetValueQuery(settingInfo, value, instance);
//var settingValue = config.GetValue(settingInfo.SettingName, typeof(T), settingInfo.ProviderName) ?? settingInfo.DefaultValue;
//var settingValue = //settingInfo.GetValue();
settingInfo
.Validations
.Validate(query.SettingName, value);
config.SetValue(query);
return(config);
}
private static T GetValue <T>([NotNull] this IConfiguration config, [NotNull] LambdaExpression expression, [CanBeNull] string instanceName = null)
{
if (config == null)
{
throw new ArgumentNullException(nameof(config));
}
if (expression == null)
{
throw new ArgumentNullException(nameof(expression));
}
var settingMetadata = SettingMetadata.FromExpression(expression, false);
var query = ValueQueryFactory.CreateGetValueQuery(settingMetadata, instanceName);
var settingValue = config.GetValue(query) ?? settingMetadata.DefaultValue;
settingMetadata
.Validations
.Validate(query.SettingName, settingValue);
return((T)settingValue);
}