public async Task WhenIParseTheDetailsOfTheFiles(string filePath)
{
string[] files = { filePath };
var attr = File.GetAttributes(filePath);
if (attr.HasFlag(FileAttributes.Directory))
{
files = Directory.GetFiles(filePath, "*.csv");
}
var readTasks = files.Select(s =>
{
var sourceKind = CsvAccountOperationManager.DetectFileSourceKindFromFileName(s);
var fmd = FileStructureMetadataFactory.CreateDefault(sourceKind);
using (var fs = File.OpenRead(s))
{
return(_context.CsvAccountOperationManager.ReadAsync(fs, fmd)
.ContinueWith(t =>
t.Result.Select(op => _context.Transformer.Apply(op, fmd.GetCultureInfo()))));
}
});
var operationsBatches = await Task.WhenAll(readTasks);
_context.UnifiedOperations =
operationsBatches.SelectMany(operations => operations)
.SortByOperationIdDesc()
.ToList();
}
