private List <Word> ChooseByLevel(User user, List <Word> words)
{
int hardLevel = _random.Next(0, 101);
List <Word> result = new List <Word>();
int currentLevel = user.LevelId;
foreach (var word in words)
{
var level = _levelService.GetByWord(user.Id, word.Id);
if (level == null)
{
continue;
}
if (hardLevel >= 0 && hardLevel < 15)
{
if (level.Id < currentLevel)
{
result.Add(word);
}
}
if (hardLevel >= 15 && hardLevel < 85)
{
if (level.Id == currentLevel)
{
result.Add(word);
}
}
if (hardLevel >= 85 && hardLevel <= 100)
{
if (level.Id > currentLevel)
{
result.Add(word);
}
}
}
return(result);
}
