| | | 1 | | using Microsoft.Extensions.Configuration; |
| | | 2 | | using Microsoft.Extensions.DependencyInjection.Extensions; |
| | | 3 | | |
| | | 4 | | namespace Microsoft.Extensions.DependencyInjection; |
| | | 5 | | |
| | | 6 | | internal delegate void SimpleOptionValid(); |
| | | 7 | | public static class ExtensionMethods |
| | | 8 | | { |
| | | 9 | | public static IServiceCollection AddSimpleOptions<T>(this IServiceCollection services, |
| | | 10 | | string key, |
| | | 11 | | Func<T, IServiceProvider, T>? post = null, |
| | | 12 | | Action<T, IServiceProvider> validate = null |
| | | 13 | | ) where T : class |
| | 2 | 14 | | { |
| | 4 | 15 | | post ??= (v, _) => v; |
| | 4 | 16 | | validate ??= (_, _) => { }; |
| | | 17 | | |
| | 2 | 18 | | services.TryAddKeyedSingleton<T>(key, (sp, _) => |
| | 2 | 19 | | { |
| | 2 | 20 | | var configuration = sp.GetRequiredService<IConfiguration>(); |
| | 2 | 21 | | |
| | 2 | 22 | | var v = configuration.GetSection(key).Get<T>(option => |
| | 2 | 23 | | { |
| | 2 | 24 | | option.BindNonPublicProperties = true; |
| | 4 | 25 | | }); |
| | 2 | 26 | | |
| | 2 | 27 | | return post.Invoke(v, sp); |
| | 4 | 28 | | }); |
| | | 29 | | |
| | 2 | 30 | | services.AddTransient<SimpleOptionValid>(sp => |
| | 2 | 31 | | { |
| | 2 | 32 | | var v = sp.GetRequiredKeyedService<T>(key); |
| | 4 | 33 | | return () => validate.Invoke(v, sp); |
| | 4 | 34 | | }); |
| | | 35 | | |
| | 2 | 36 | | services.AddHostedService<ValidatorHostedService>(); |
| | | 37 | | |
| | 2 | 38 | | return services; |
| | 2 | 39 | | } |
| | | 40 | | |
| | | 41 | | |
| | | 42 | | } |
| | | 43 | | |
| | | 44 | | |