public TelegramServiceImpl(IOptions <TelegramOptions> options,
IHttpClientFactory clientFactory,
ILogger <TelegramServiceImpl> logger)
{
this.clientFactory = clientFactory;
this.logger = logger;
this.options = options.Value;
this.options.ThrowIfInvalid();
this.sendMessageEndpoint = string.Concat("/bot", this.options.Token, "/sendMessage");
}
public static void AddTelegramClient(this IServiceCollection services, IConfiguration configuration)
{
ConnectionOptions connOptions = ConnectionOptions.FromConfiguration(configuration);
connOptions.ThrowIfInvalid();
services.AddHttpClient(HttpClientFactoryExtensions.ClientName)
.AddTransientHttpErrorPolicy(builder => builder.WaitAndRetryAsync(connOptions.Attempts, i => TimeSpan.FromSeconds(connOptions.Interval)))
.ConfigureHttpClient((di, client) =>
{
TelegramOptions tgramOptions = di.GetRequiredService <IOptions <TelegramOptions> >().Value;
client.Timeout = TimeSpan.FromSeconds(connOptions.Timeout);
client.BaseAddress = tgramOptions.Endpoint;
});
}
public static void AddTelegramService(this IServiceCollection services, IConfiguration configuration)
{
services.Configure <TelegramOptions>(TelegramOptions.From(configuration));
services.AddSingleton <ITelegramService, TelegramServiceImpl>();
services.AddTelegramClient(configuration);
}