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UpdateExchangeRateTask.cs

using Nop.Core.Domain.Directory;
using Nop.Services.ScheduleTasks;

namespace Nop.Services.Directory;

/// 
/// Represents a task for updating exchange rates
/// 
public partial class UpdateExchangeRateTask : IScheduleTask
{
    #region Fields

    protected readonly CurrencySettings _currencySettings;
    protected readonly ICurrencyService _currencyService;

    #endregion

    #region Ctor

    public UpdateExchangeRateTask(CurrencySettings currencySettings,
        ICurrencyService currencyService)
    {
        _currencySettings = currencySettings;
        _currencyService = currencyService;
    }

    #endregion

    #region Methods

    /// 
    /// Executes a task
    /// 
    public async System.Threading.Tasks.Task ExecuteAsync()
    {
        if (!_currencySettings.AutoUpdateEnabled)
            return;

        var exchangeRates = await _currencyService.GetCurrencyLiveRatesAsync();
        foreach (var exchangeRate in exchangeRates)
        {
            var currency = await _currencyService.GetCurrencyByCodeAsync(exchangeRate.CurrencyCode);
            if (currency == null)
                continue;

            currency.Rate = exchangeRate.Rate;
            currency.UpdatedOnUtc = DateTime.UtcNow;
            await _currencyService.UpdateCurrencyAsync(currency);
        }
    }

    #endregion
}