public async Task GetTaxPercent()

in src/Modules/SimplCommerce.Module.Tax/Services/TaxService.cs [18:41]

21 lines of code
8 McCabe index (conditional complexity)


        public async Task<decimal> GetTaxPercent(long? taxClassId, string countryId, long stateOrProvinceId, string zipCode)
        {
            if (!taxClassId.HasValue)
            {
                return 0;
            }

            var query = _taxRateRepository.Query()
                           .Where(x => x.CountryId == countryId
                           && (x.StateOrProvinceId == stateOrProvinceId || x.StateOrProvinceId == null)
                           && x.TaxClassId == taxClassId.Value);
            if (!string.IsNullOrEmpty(zipCode))
            {
                query = query.Where(x => x.ZipCode == zipCode || string.IsNullOrWhiteSpace(x.ZipCode));
            }

            var taxRate = await query.FirstOrDefaultAsync();
            if (taxRate != null)
            {
                return taxRate.Rate;
            }

            return 0;
        }