public List <Word> ImportTo(DatabaseManagement manager)
{
string fileType = GetFileType();
// create a list to contain words that not existed in database
// used to add its to datagridview but not reload all words from database
List <Word> addedList = new List <Word>();
List <Word> dataList = new List <Word>();
if (fileType.Equals(".xlsx"))
{
ExcelManagement exl = new ExcelManagement(path);
// the dataList is the list which contains words readed from file
dataList = exl.ReadFile();
exl.Close();
}
else if (fileType.Equals(".csv"))
{
CsvFileManagement csv = new CsvFileManagement(path);
dataList = csv.ReadFile();
}
for (int i = 0; i < dataList.Count; i++)
{
try
{
// if the words has already existed in database, it will throw a exception
manager.AddWord(dataList[i].word_o, dataList[i].type_id, dataList[i].word_m);
addedList.Add(dataList[i]);
}
catch (Exception)
{
continue;
}
}
return(addedList);
}
private void WriteToCsvFile(string path, List <Word> list)
{
CsvFileManagement csv = new CsvFileManagement(path);
csv.WriteFile(list);
}