sozsoft-platform/api/modules/Sozsoft.Sender/WhatsApp/WhatsAppHttpClient.cs

using System.Net.Http.Headers;
using Volo.Abp.Settings;

namespace Sozsoft.Sender.WhatsApp;

public interface IWhatsAppHttpClient
{
    Task<WhatsAppSendResultDto?> SendMessageAsync(string To, string Message, string LanguageCode = "tr");
}

public sealed class WhatsAppHttpClient : SettingHttpClientBase, IWhatsAppHttpClient
{
    public WhatsAppHttpClient(HttpClient httpClient, ISettingProvider settingProvider)
        : base(httpClient, settingProvider)
    {
    }

    public async Task<WhatsAppSendResultDto?> SendMessageAsync(string To, string Message, string LanguageCode = "tr")
    {
        var url = await GetSettingAsync(WhatsAppSettingNames.Url);
        var templateName = await GetSettingAsync(WhatsAppSettingNames.TemplateName);
        var token = await GetSettingAsync(WhatsAppSettingNames.Token);
        var phoneId = await GetSettingAsync(WhatsAppSettingNames.PhoneNumberId);

        return await PostJsonAsync<WhatsAppSendResultDto>(
            $"{url}/{phoneId}/messages",
            new WhatsAppPostMessageInput
            {
                messaging_product = "whatsapp",
                to = To,
                type = "template",
                template = new WhatsAppPostMessageInput.Template
                {
                    name = templateName,
                    language = new WhatsAppPostMessageInput.Template.Language
                    {
                        code = LanguageCode
                    },
                    components =
                    [
                        new WhatsAppPostMessageInput.Template.Component
                        {
                            type = "body",
                            parameters =
                            [
                                new WhatsAppPostMessageInput.Template.Component.Parameter
                                {
                                    type = "text",
                                    text = Message
                                }
                            ]
                        }
                    ]
                }
            },
            request => request.Headers.Authorization = new AuthenticationHeaderValue("Bearer", token));
    }
}