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; }