sozsoft-platform/api/modules/Sozsoft.Sender/Telegram/TelegramHttpClient.cs

using Volo.Abp.Settings;

namespace Sozsoft.Sender.Telegram;

public interface ITelegramHttpClient
{
    Task<TelegramSendResultDto?> SendMessageAsync(string ChatId, string Message);
}

public sealed class TelegramHttpClient : SettingHttpClientBase, ITelegramHttpClient
{
    public TelegramHttpClient(HttpClient httpClient, ISettingProvider settingProvider)
        : base(httpClient, settingProvider)
    {
    }

    public async Task<TelegramSendResultDto?> SendMessageAsync(string ChatId, string Message)
    {
        var url = await GetSettingAsync(TelegramSettingNames.Url);
        var botToken = await GetSettingAsync(TelegramSettingNames.BotToken);
        var parseMode = await GetSettingAsync(TelegramSettingNames.ParseMode);

        // Bot API hatayı 4xx gövdesinde açıklar; durum kodunu fırlatmak açıklamayı kaybettirir.
        return await PostJsonAsync<TelegramSendResultDto>(
            $"{url?.TrimEnd('/')}/bot{botToken}/sendMessage",
            new TelegramPostMessageInput
            {
                chat_id = ChatId,
                text = Message,
                parse_mode = parseMode.IsNullOrWhiteSpace() ? null : parseMode,
                disable_web_page_preview = true
            });
    }
}