Joseph Doherty
54 lines
2.6 KiB
C#
54 lines
2.6 KiB
C#
using Microsoft.Extensions.DependencyInjection;
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using Microsoft.Extensions.DependencyInjection.Extensions;
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using Microsoft.Extensions.Options;
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using ZB.MOM.WW.ScadaBridge.NotificationService.Ews;
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namespace ZB.MOM.WW.ScadaBridge.NotificationService;
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public static class ServiceCollectionExtensions
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{
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/// <summary>
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/// Registers the shared email delivery primitives consumed by the central Notification
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/// Outbox's <c>EmailNotificationDeliveryAdapter</c>: <see cref="NotificationOptions"/>,
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/// <see cref="OAuth2TokenService"/>, the <see cref="ISmtpClientWrapper"/> factory, and —
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/// for the EWS transport — <see cref="IEwsMailSender"/> with its named HTTP client.
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/// Central-only — sites no longer deliver notifications (see
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/// <c>Component-NotificationService.md</c>), and the orphaned site-shaped
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/// <c>NotificationDeliveryService</c> + <c>INotificationDeliveryService</c> contract
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/// was removed. Notification dispatch lives in <c>ZB.MOM.WW.ScadaBridge.NotificationOutbox</c>.
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/// </summary>
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/// <param name="services">The service collection to register into.</param>
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/// <returns>The same <paramref name="services"/> collection, for chaining.</returns>
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public static IServiceCollection AddNotificationService(this IServiceCollection services)
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{
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services.AddOptions<NotificationOptions>()
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.BindConfiguration("ScadaBridge:Notification")
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.ValidateOnStart();
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services.TryAddEnumerable(
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ServiceDescriptor.Singleton<IValidateOptions<NotificationOptions>,
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NotificationOptionsValidator>());
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services.AddHttpClient();
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services.AddSingleton<OAuth2TokenService>();
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services.AddSingleton<Func<ISmtpClientWrapper>>(_ => () => new MailKitSmtpClientWrapper());
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// EWS transport: a named client so the EWS calls get their own handler pool, and a
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// stateless singleton sender (credentials travel per request, never on the client).
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services.AddHttpClient(EwsSoapMailSender.HttpClientName);
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services.TryAddSingleton<IEwsMailSender, EwsSoapMailSender>();
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return services;
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}
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/// <summary>
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/// Registers Akka.NET actors for the notification service (placeholder for actor registration).
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/// </summary>
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/// <param name="services">The service collection to register into.</param>
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/// <returns>The same <paramref name="services"/> collection, for chaining.</returns>
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public static IServiceCollection AddNotificationServiceActors(this IServiceCollection services)
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{
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// Actor registration happens in AkkaHostedService.
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return services;
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}
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}
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