public static void RegisterConfigurationsWithAppConfigValues(this ContainerBuilder builder,
Microsoft.Extensions.Configuration.IConfiguration configuration,
params Assembly[] assemblies)
{
Validate.NotNull(assemblies, nameof(assemblies));
RegisterAndInitializeConfigTypes(builder, configuration, assemblies);
}
private static void SetValueIfSome(PropertyInfo propertyInfo,
object configInstance,
string appsettingsKey,
Microsoft.Extensions.Configuration.IConfiguration configuration)
{
var valueOption = GetSettingsValue(appsettingsKey, configuration);
if (valueOption.IsSome)
{
propertyInfo.SetValue(configInstance, Convert(valueOption.Value, propertyInfo.PropertyType));
}
}
private static Option <object> GetSettingsValue(string settingsKey, Microsoft.Extensions.Configuration.IConfiguration configuration)
{
var keyLower = settingsKey.ToLowerInvariant();
if (configuration.AsEnumerable().Any(config => config.Key.ToLowerInvariant() == keyLower))
{
var value = configuration[settingsKey];
return(Option <object> .Some(value));
}
Console.WriteLine($"Key {settingsKey} not available");
return(Option <object> .None());
}
private static void SetupValues(IActivatingEventArgs <object> args, Microsoft.Extensions.Configuration.IConfiguration configuration)
{
var configInstance = args.Instance;
var properties = configInstance.GetType().GetProperties();
foreach (var propertyInfo in properties)
{
var settingKey = propertyInfo.GetCustomAttributes <SettingsKeyAttribute>().SingleOrDefault();
if (settingKey != null)
{
SetValueIfSome(propertyInfo, configInstance, settingKey.AppSettingsKey, configuration);
continue;
}
SetValueIfSome(propertyInfo, configInstance, propertyInfo.Name, configuration);
}
}
private static void RegisterAndInitializeConfigTypes(ContainerBuilder builder, Microsoft.Extensions.Configuration.IConfiguration configuration, params Assembly[] assemblies)
{
builder.RegisterAssemblyTypes(assemblies)
.Where(t => t.GetTypeInfo().IsAssignableTo <IConfiguration>())
.AsSelf()
.OnActivating(args => SetupValues(args, configuration));
}
