public void Add(string tranId, string item)
{
if (_dict.ContainsKey(tranId) == false)
{
_dict[tranId] = new ShoppingRecord2();
}
_dict[tranId].Add(item);
}
public ShoppingRecords2 GetFilter(Dictionary <string, int> filter)
{
var result = new ShoppingRecords2();
foreach (var kvp in _dict)
{
ShoppingRecord2 record = kvp.Value;
foreach (string item in record.Items)
{
if (filter.ContainsKey(item) == false)
{
continue;
}
// todo: need sort
result.Add(kvp.Key, item);
}
}
return(result);
}
