private static IEnumerable <BPostData> GetPreviouslyImportedData()
{
var importedFiles = Directory.GetFiles(_importPath, "*.csv");
var latestFile = string.Empty;
var latestImport = DateTimeOffset.MinValue;
foreach (var importedFile in importedFiles)
{
var fileName = Path.GetFileNameWithoutExtension(importedFile);
var timeStamp = DateTimeOffset.ParseExact(fileName, FileDateFormat, CultureInfo.InvariantCulture);
// If the file date is smaller than our last import, we skip it
if (timeStamp <= latestImport)
{
continue;
}
latestImport = timeStamp;
latestFile = importedFile;
}
return(string.IsNullOrEmpty(latestFile)
? new List <BPostData>()
: CsvReaderHelper.ReadBPostData(latestFile));
}
