public List <CCurrencyPair> GetAll()
{
String sqlExpression = "sp_GetAllCurrencyPairs";
List <CCurrencyPair> pairs = new List <CCurrencyPair>();
CCurrencyGateway curInfoGateway = new CCurrencyGateway();
using (SqlConnection conn = CDbConnection.GetConnection())
{
SqlCommand command = new SqlCommand(sqlExpression, conn);
command.CommandType = CommandType.StoredProcedure;
var reader = command.ExecuteReader();
if (reader.HasRows)
{
while (reader.Read())
{
CCurrencyPair pair = new CCurrencyPair();
pair.BaseCurrency = curInfoGateway.Get((Int32)reader["BaseCurrencyID"]);
pair.QuotedCurrency = curInfoGateway.Get((Int32)reader["QuotedCurrencyID"]);
pair.ID = (Int32)reader["ID"];
pairs.Add(pair);
}
}
reader.Close();
}
return(pairs);
}
private void InsertDefaultValues()
{
Dictionary <String, String> currencies = CReadFromFileService.ReadFromFileAsDictionary(_path);
CCurrencyGateway currencyGateway = new CCurrencyGateway();
foreach (var currency in currencies)
{
CurrencyInfo curInfo = new CurrencyInfo();
curInfo.Name = currency.Value;
curInfo.Code = currency.Key;
currencyGateway.Create(curInfo);
}
Upgrade();
}
public CCurrencyPair Get(Int32 id)
{
String sqlExpression = "sp_GetCurrencyPairById";
CCurrencyPair pair = new CCurrencyPair();
CCurrencyGateway curInfoGateway = new CCurrencyGateway();
using (SqlConnection conn = CDbConnection.GetConnection())
{
SqlCommand command = new SqlCommand(sqlExpression, conn)
{
CommandType = CommandType.StoredProcedure
};
SqlParameter idParam = new SqlParameter
{
ParameterName = "@id",
Value = id
};
command.Parameters.Add(idParam);
try
{
var reader = command.ExecuteReader();
if (reader.HasRows)
{
while (reader.Read())
{
pair.BaseCurrency = curInfoGateway.Get((Int32)reader["BaseCurrencyID"]);
pair.QuotedCurrency = curInfoGateway.Get((Int32)reader["QuotedCurrencyID"]);
pair.ID = (Int32)reader["ID"];
}
}
else
{
pair = null;
}
reader.Close();
}
catch (Exception e)
{
throw new Exception(e.Message + e.StackTrace);
}
}
return(pair);
}
