public IEnumerable<ISecurity> GetDataAll()
{
string filePath = PathHelper.SecurityFile;
List<SecurityItem> result = new List<SecurityItem>();
if (File.Exists(filePath))
{
var file = new SecurityFile(filePath);
result.AddRange(file.ReadAll().Distinct());
}
return result.Cast<ISecurity>();
}
public IEnumerable<ISecurity> GetData(IEnumerable<string> stockCodes)
{
string filePath = PathHelper.SecurityFile;
if (File.Exists(filePath))
{
var file = new SecurityFile(filePath);
var lstSel = from it in file.ReadAll().Distinct()
where stockCodes.Contains(it.Code)
select it;
return lstSel.Cast<ISecurity>();
}
return null;
}
public ISecurity GetData(string stockCode)
{
string filePath = PathHelper.SecurityFile;
if (File.Exists(filePath))
{
var file = new SecurityFile(filePath);
var lstAll = file.ReadAll().Distinct();
var it = lstAll.SingleOrDefault(x => x.Code == stockCode);
if (string.IsNullOrEmpty(it.Code.Trim()))
return null;
return it;
}
return null;
}