/// <summary>Get available currencies</summary>
/// <cardinality>Many</cardinality>
public List <GetAvailableCurrenciesData> GetAvailableCurrencies(
Guid financialCurrencyId,
DateTime currencyDateTime
)
{
var ret = new List <GetAvailableCurrenciesData>();
string sql = @"
select top 50
fc.financial_currency_against_financial_currency_type_rcd
,fctr.financial_currency_type_name
,fc.amount
,fc.equals_amount
,fc.decimal_count
,fc.financial_currency_id
from financial_currency as fc
inner join financial_currency_type_ref as fctr on fctr.financial_currency_type_rcd = financial_currency_against_financial_currency_type_rcd
where fc.valid_from_date_time <= @currency_date_time and (fc.valid_until_date_time is null or @currency_date_time <= fc.valid_until_date_time)
";
if (financialCurrencyId != Guid.Empty)
{
sql += @" and fc.financial_currency_type_rcd = (
select fc2.financial_currency_type_rcd
from financial_currency as fc2
where fc2.financial_currency_id = @financial_currency_id
)" ;
}
else
{
sql += @" and fc.amount = fc.equals_amount";
}
using (var conn = new SqlConnection(Conn.ConnectionString)) {
conn.Open();
conn.BeginTransaction(IsolationLevel.ReadUncommitted).Commit();
using (var command = new SqlCommand(sql, conn)) {
command.Parameters.Add("@financial_currency_id", SqlDbType.UniqueIdentifier).Value = financialCurrencyId;
command.Parameters.Add("@currency_date_time", SqlDbType.DateTime).Value = currencyDateTime;
Logging log = Logging.PerformanceTimeStart("SolutionNorSolutionPort.DataAccessLayer.FinancialSearch.GetAvailableCurrencies");
IDataReader reader = command.ExecuteReader(CommandBehavior.SingleResult);
log.PerformanceTimeStop(sql, command);
var ordinals = new GetAvailableCurrenciesDataOrdinals(reader);
while (reader.Read())
{
var data = new GetAvailableCurrenciesData();
data.Populate(reader, ordinals);
ret.Add(data);
}
reader.Close();
}
return(ret);
}
}
// use ordinals to speed up access to DataReader
// links:
// crud definition: https://en.wikipedia.org/wiki/Create,_read,_update_and_delete
// docLink: http://sql2x.org/documentationLink/327451c3-64a8-4de8-b359-76742d634497
// parameters:
// reader: IDataReader from SQLClient
public void Populate(IDataReader reader, GetAvailableCurrenciesDataOrdinals ordinals)
{
if (!reader.IsDBNull(ordinals.FinancialCurrencyAgainstFinancialCurrencyTypeRcd))
{
FinancialCurrencyAgainstFinancialCurrencyTypeRcd = reader.GetString(ordinals.FinancialCurrencyAgainstFinancialCurrencyTypeRcd);
}
if (!reader.IsDBNull(ordinals.FinancialCurrencyTypeName))
{
FinancialCurrencyTypeName = reader.GetString(ordinals.FinancialCurrencyTypeName);
}
if (!reader.IsDBNull(ordinals.Amount))
{
Amount = reader.GetDecimal(ordinals.Amount);
}
if (!reader.IsDBNull(ordinals.EqualsAmount))
{
EqualsAmount = reader.GetDecimal(ordinals.EqualsAmount);
}
if (!reader.IsDBNull(ordinals.DecimalCount))
{
DecimalCount = reader.GetInt32(ordinals.DecimalCount);
}
if (!reader.IsDBNull(ordinals.FinancialCurrencyId))
{
FinancialCurrencyId = reader.GetGuid(ordinals.FinancialCurrencyId);
}
}