/// <summary>
/// 将 <see cref="IWechatApiService"/> 依赖项的默认实现注入到给定的依赖服务集中。
/// </summary>
/// <param name="services">依赖服务集。</param>
/// <returns></returns>
/// <exception cref="ArgumentNullException">
/// <paramref name="services"/>为null
/// 或
/// <paramref name="options"/>为null
/// </exception>
/// <exception cref="InvalidOperationException">用于访问微信 API 的 AppID 或 AppSecret 未配置。</exception>
public static IServiceCollection AddDefaultWechatApiService(this IServiceCollection services,
Action <WechatApiServiceOptions> options)
{
if (services == null)
{
throw new ArgumentNullException(nameof(services));
}
if (options == null)
{
throw new ArgumentNullException(nameof(options));
}
var optionObject = new WechatApiServiceOptions();
options(optionObject);
if (optionObject.AppId == null || optionObject.AppSecret == null)
{
throw new InvalidOperationException("用于访问微信 API 的 AppID 或 AppSecret 未配置。");
}
return(services.AddSingleton <IWechatApiService, DefaultWechatApiService>(
serviceProvider => new DefaultWechatApiService(
optionObject,
serviceProvider.GetService <IHttpClientFactory>(),
serviceProvider.GetService <ILogger <DefaultWechatApiService> >())));
}
/// <summary>
/// 初始化 <see cref="DefaultWechatApiService"/> 类的新实例。
/// </summary>
/// <param name="options">服务配置对象。</param>
/// <param name="httpClientFactory">HTTP客户端工厂对象。</param>
/// <param name="logger"></param>
/// <exception cref="ArgumentNullException"><paramref name="httpClientFactory"/>为null。</exception>
public DefaultWechatApiService(WechatApiServiceOptions options,
IHttpClientFactory httpClientFactory,
ILogger <DefaultWechatApiService> logger)
{
_options = options ?? throw new ArgumentNullException(nameof(options));
_httpClientFactory = httpClientFactory ?? throw new ArgumentNullException(nameof(httpClientFactory));
_logger = logger ?? throw new ArgumentNullException(nameof(logger));
}
