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GoogleAnalyticsHttpClient.cs

using System.Text;
using Microsoft.AspNetCore.WebUtilities;
using Newtonsoft.Json;
using Nop.Core;
using Nop.Plugin.Widgets.GoogleAnalytics.Api.Models;

namespace Nop.Plugin.Widgets.GoogleAnalytics.Api;

/// <summary>
/// Represents HTTP client to request Google Analytics 4 services
/// </summary>
public class GoogleAnalyticsHttpClient
{
    #region Fields

    protected readonly HttpClient _httpClient;

    #endregion

    #region Ctor

    public GoogleAnalyticsHttpClient(HttpClient httpClient)
    {
        _httpClient = httpClient;
    }

    #endregion

    #region Methods

    /// <summary>
    /// Request API service
    /// </summary>
    /// <param name="request">Event Request</param>
    /// <param name="googleAnalyticsSettings">Google Analytics settings</param>
    /// <returns>The asynchronous task whose result contains response details</returns>
    public async Task RequestAsync(EventRequest request, GoogleAnalyticsSettings googleAnalyticsSettings)
    {
        //configure client
        try
        {
            var query = new Dictionary<string, string>()
            {
                ["api_secret"] = googleAnalyticsSettings.ApiSecret,
                ["measurement_id"] = googleAnalyticsSettings.GoogleId
            };

            var uri = QueryHelpers.AddQueryString(googleAnalyticsSettings.UseSandbox ? GoogleAnalyticsDefaults.EndPointDebugUrl : GoogleAnalyticsDefaults.EndPointUrl, query);

            _httpClient.BaseAddress = new Uri(uri);
            _httpClient.Timeout = TimeSpan.FromSeconds(10);

            var requestString = JsonConvert.SerializeObject(request);
            var requestContent = new StringContent(requestString, Encoding.Default, MimeTypes.ApplicationJson);
            var requestMessage = new HttpRequestMessage(new HttpMethod(request.Method), null as Uri) { Content = requestContent };
            var httpResponse = await _httpClient.SendAsync(requestMessage);
            httpResponse.EnsureSuccessStatusCode();

            var responseString = await httpResponse.Content.ReadAsStringAsync();
            var result = JsonConvert.DeserializeObject<Response>(responseString);

            if (googleAnalyticsSettings.UseSandbox && (result?.ValidationMessages.Any() ?? false))
                throw new NopException($@"Google Analytics validation error (Measurement Protocol):
                        {responseString}");
        }
        catch (AggregateException exception)
        {
            //rethrow actual exception
            throw exception.InnerException;
        }
    }

    #endregion
}