public async Task <IActionResult> CreateCurrencyRate([FromBody] Sales.CurrencyRate value)
        {
            _db.Sales_CurrencyRate.Add(value);
            await _db.SaveChangesAsync();

            return(Ok(value));
        }
        public async Task <IActionResult> EditCurrencyRate(int currencyRateID, [FromBody] Sales.CurrencyRate value)
        {
            var existing = await _db.Sales_CurrencyRate.FirstOrDefaultAsync(x => x.CurrencyRateID == currencyRateID);

            if (existing == null)
            {
                return(NotFound());
            }

            existing.CurrencyRateID   = value.CurrencyRateID;
            existing.CurrencyRateDate = value.CurrencyRateDate;
            existing.FromCurrencyCode = value.FromCurrencyCode;
            existing.ToCurrencyCode   = value.ToCurrencyCode;
            existing.AverageRate      = value.AverageRate;
            existing.EndOfDayRate     = value.EndOfDayRate;
            existing.ModifiedDate     = value.ModifiedDate;

            _db.Sales_CurrencyRate.Update(existing);
            await _db.SaveChangesAsync();

            return(NoContent());
        }