protected virtual void InsertRate(CurrencyRateInfo currencyRateInfo)
{
Entity rateEntity = CurrencyRateSchema.CreateEntity(UserConnection);
rateEntity.SetDefColumnValues();
SetColumnsValueToInvertRate(currencyRateInfo, rateEntity);
rateEntity.Save(false);
}
protected virtual void SetColumnsValueToInvertRate(CurrencyRateInfo currencyRateInfo, Entity rateEntity)
{
var currentDate = UserConnection.CurrentUser.GetCurrentDateTime();
rateEntity.SetColumnValue("Id", Guid.NewGuid());
rateEntity.SetColumnValue("StartDate", currentDate);
rateEntity.SetColumnValue("CurrencyId", currencyRateInfo.CurrencyId);
rateEntity.SetColumnValue("Rate", currencyRateInfo.Rate);
rateEntity.SetColumnValue("RateMantissa", currencyRateInfo.RateMantissa);
}
protected decimal GetConvertedAmount(decimal amount, CurrencyRateInfo currentCurrencyRateInfo,
CurrencyRateInfo targetCurrencyRateInfo)
{
currentCurrencyRateInfo.CheckArgumentNull(nameof(currentCurrencyRateInfo));
targetCurrencyRateInfo.CheckArgumentNull(nameof(targetCurrencyRateInfo));
ValidateRateAndDivicion(currentCurrencyRateInfo);
ValidateRateAndDivicion(targetCurrencyRateInfo);
return((amount * currentCurrencyRateInfo.Division * targetCurrencyRateInfo.Rate) /
(targetCurrencyRateInfo.Division * currentCurrencyRateInfo.Rate));
}
private CurrencyRateInfo GetCurrencyRateInfo(Guid currencyId, IEnumerable <CurrencyRateInfo> currenciesRate)
{
CurrencyRateInfo currencyRateInfo = currenciesRate.FirstOrDefault(a => a.CurrencyId == currencyId);
if (currencyRateInfo == null)
{
throw new CurrencyNotFoundException(ResourceStorage, currencyId);
}
return(currencyRateInfo);
}
private List <CurrencyRateInfo> GetCurrencyRateInfosFromDb(IEnumerable <Guid> currenciesId, DateTime date)
{
Select query = GetCurrencyRatesSelect(currenciesId, date);
var rates = new List <CurrencyRateInfo>();
query.ExecuteReader((reader) => {
CurrencyRateInfo rate = GetCurrencyRateInfo(reader);
rates.Add(rate);
});
return(rates);
}
/// <summary>
/// Returns converted amount to currency.
/// </summary>
/// <param name="currentCurrencyRateInfo">Current currency rate information.</param>
/// <param name="targetCurrencyRateInfo">Target currency rate information.</param>
/// <param name="amount">Amount.</param>
/// <returns>Converted amount.</returns>
public decimal GetConvertedAmountToCurrency(CurrencyRateInfo currentCurrencyRateInfo,
CurrencyRateInfo targetCurrencyRateInfo, decimal amount)
{
if (amount == 0)
{
return(amount);
}
currentCurrencyRateInfo.CheckArgumentNull(nameof(currentCurrencyRateInfo));
targetCurrencyRateInfo.CheckArgumentNull(nameof(targetCurrencyRateInfo));
decimal convertedValue = GetConvertedAmount(amount, currentCurrencyRateInfo, targetCurrencyRateInfo);
return(convertedValue);
}
/// <summary>
/// Returns converted amount to currency.
/// </summary>
/// <param name="currentCurrencyRateInfo">Current currency rate information.</param>
/// <param name="targetCurrencyId">Target currency identifier.</param>
/// <param name="amount">Amount.</param>
/// <param name="dateTime">Date of rate.</param>
/// <returns>Converted amount.</returns>
public decimal GetConvertedAmountToCurrency(CurrencyRateInfo currentCurrencyRateInfo,
Guid targetCurrencyId, decimal amount, DateTime dateTime)
{
if (amount == 0)
{
return(amount);
}
targetCurrencyId.CheckArgumentEmpty(nameof(targetCurrencyId));
IEnumerable <CurrencyRateInfo> currenciesRate = CurrenciesRateStorage
.GetCurrenciesRate(new[] { targetCurrencyId }, dateTime);
CurrencyRateInfo targetCurrencyRateInfo = GetCurrencyRateInfo(targetCurrencyId, currenciesRate);
decimal convertedValue = GetConvertedAmountToCurrency(currentCurrencyRateInfo, targetCurrencyRateInfo,
amount);
return(convertedValue);
}
/// <summary>
/// Calculates the amount in primary currency.
/// </summary>
/// <param name="entity">The entity to calculate</param>
/// <returns></returns>
public virtual void CalculatePrimaryAmount(Entity entity)
{
var amount = entity.GetTypedColumnValue <decimal>("Amount");
var primaryAmount = entity.GetTypedColumnValue <decimal>("PrimaryAmount");
var currencyId = entity.GetTypedColumnValue <Guid>("CurrencyId");
var currencyRate = entity.GetTypedColumnValue <decimal>("CurrencyRate");
if (currencyId == Guid.Empty)
{
return;
}
CurrencyRateInfo currencyInfo = null;
if (currencyRate == 0)
{
currencyInfo = GetCurrencyInfo(currencyId);
if (currencyInfo == null)
{
return;
}
currencyRate = currencyInfo.Rate;
entity.SetColumnValue("CurrencyRate", currencyRate);
}
if (primaryAmount == 0 && amount != 0)
{
if (currencyInfo == null)
{
currencyInfo = GetCurrencyInfo(currencyId);
}
if (currencyInfo == null)
{
return;
}
var currencyDivision = currencyInfo.Division;
if (currencyDivision != 0)
{
primaryAmount = amount / currencyRate * currencyDivision;
entity.SetColumnValue("PrimaryAmount", primaryAmount);
}
}
}
public virtual void OnCurrencySavedHandler()
{
Store.Cache[CacheLevel.Application].ExpireGroup("Currency");
var currRateSchema = UserConnection.EntitySchemaManager.GetInstanceByName("CurrencyRate");
var currencyRateStorage = Terrasoft.Core.Factories.ClassFactory.Get <Terrasoft.Configuration.CurrencyRateStorage>(
new Terrasoft.Core.Factories.ConstructorArgument("userConnection", UserConnection),
new Terrasoft.Core.Factories.ConstructorArgument("schema", currRateSchema));
List <CurrencyRateInfo> rates = currencyRateStorage.GetActualCurrencyRates(Entity.PrimaryColumnValue);
CurrencyRateInfo currentCurrenyRate = rates.FirstOrDefault();
if (currentCurrenyRate != null)
{
OldCurrencyRate = CurrencyRateHelper.SetMantissaToRate(currentCurrenyRate.Rate, currentCurrenyRate.RateMantissa);
}
if (CurrencyRate > 0.00m && OldCurrencyRate != CurrencyRate)
{
currencyRateStorage.SaveRates(new CurrencyRateInfo()
{
CurrencyId = Entity.PrimaryColumnValue,
Rate = CurrencyRate
});
}
}
private void ValidateRateAndDivicion(CurrencyRateInfo currencyRateInfo)
{
ValidateValueLessOrEqualsZero(currencyRateInfo.Rate, "Rate", currencyRateInfo.CurrencyId);
ValidateValueLessOrEqualsZero(currencyRateInfo.Division, "Division", currencyRateInfo.CurrencyId);
}
