42 lines
1.5 KiB
C#
42 lines
1.5 KiB
C#
using Microsoft.Extensions.Configuration;
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using Microsoft.Extensions.DependencyInjection;
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using TakeoutSaaS.Module.Messaging.Abstractions;
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using TakeoutSaaS.Module.Messaging.Options;
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using TakeoutSaaS.Module.Messaging.Serialization;
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using TakeoutSaaS.Module.Messaging.Services;
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namespace TakeoutSaaS.Module.Messaging.Extensions;
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/// <summary>
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/// 消息队列模块注册扩展。
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/// </summary>
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public static class MessagingServiceCollectionExtensions
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{
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/// <summary>
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/// 注册 RabbitMQ 发布/订阅能力。
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/// </summary>
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public static IServiceCollection AddMessagingModule(this IServiceCollection services, IConfiguration configuration)
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{
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var rabbitMqSection = configuration.GetSection("RabbitMQ");
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if (!rabbitMqSection.Exists())
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{
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services.AddSingleton<IMessagePublisher, NoOpMessagePublisher>();
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services.AddSingleton<IMessageSubscriber, NoOpMessageSubscriber>();
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return services;
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}
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// 1. (空行后) 存在 RabbitMQ 配置时才启用真实 MQ 能力（启动时验证配置完整性）
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services.AddOptions<RabbitMqOptions>()
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.Bind(rabbitMqSection)
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.ValidateDataAnnotations()
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.ValidateOnStart();
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services.AddSingleton<JsonMessageSerializer>();
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services.AddSingleton<RabbitMqConnectionFactory>();
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services.AddSingleton<IMessagePublisher, RabbitMqMessagePublisher>();
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services.AddSingleton<IMessageSubscriber, RabbitMqMessageSubscriber>();
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return services;
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}
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}
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