public async Task <List <WordSuiteEditModel> > GetTeacherWordSuites(int id)
 {
     if (id <= 0)
     {
         throw new ArgumentNullException("id", "ID can't be negative or 0");
     }
     return(wordSuiteMapper.MapRangeForEdit(await wordSuiteService.GetTeacherWordSuitesAsync(id)));
 }