public void Test()
{
DateTime dateAdded = DateTime.UtcNow.AddDays(-100);
DateTime dateRepeated1 = dateAdded + new TimeSpan(1, 0, 0, 0);
DateTime dateForgotten = dateAdded + new TimeSpan(2, 0, 0, 0);
DateTime dateRepeated2 = dateAdded + new TimeSpan(2, 0, 1, 0);
DateTime dateRepeated3 = dateAdded + new TimeSpan(3, 0, 0, 0);
DateTime dateLearned = dateAdded + new TimeSpan(4, 0, 0, 0);
DateTime dateVerified = dateAdded + new TimeSpan(10, 0, 0, 0);
Word word = new Word();
word.Name = "name";
word.Description = "descr";
word.Tags = "tag1, tag2";
word.Events.Add(new WordEvent(dateAdded, WordEventType.Added));
word.Events.Add(new WordEvent(dateRepeated1, WordEventType.Remembered));
word.Events.Add(new WordEvent(dateForgotten, WordEventType.Forgotten));
word.Events.Add(new WordEvent(dateRepeated2, WordEventType.Remembered));
WordList wordList = new WordList();
wordList.Populate(new List <Word> {
word
});
WordInfo wordInfo = WordInfo.Create(wordList, word);
Assert.That(wordInfo.LastEvent.LastStateChange, Is.EqualTo(dateForgotten));
Assert.That(wordInfo.State, Is.EqualTo(WordState.Studied));
Assert.That(wordInfo.IsStudied);
Assert.That(!wordInfo.IsLearned);
Assert.That(!wordInfo.IsVerified);
word.Events.Add(new WordEvent(dateRepeated3, WordEventType.Remembered));
wordInfo.Update();
Assert.That(wordInfo.LastEvent.LastStateChange, Is.EqualTo(dateRepeated3));
Assert.That(wordInfo.State, Is.EqualTo(WordState.Repeated));
Assert.That(wordInfo.IsStudied);
Assert.That(!wordInfo.IsLearned);
Assert.That(!wordInfo.IsVerified);
word.Events.Add(new WordEvent(dateLearned, WordEventType.Remembered));
wordInfo.Update();
Assert.That(wordInfo.LastEvent.LastStateChange, Is.EqualTo(dateLearned));
Assert.That(wordInfo.State, Is.EqualTo(WordState.Learned));
Assert.That(wordInfo.IsStudied);
Assert.That(wordInfo.IsLearned);
Assert.That(!wordInfo.IsVerified);
word.Events.Add(new WordEvent(dateVerified, WordEventType.Remembered));
wordInfo.Update();
Assert.That(wordInfo.LastEvent.LastStateChange, Is.EqualTo(dateVerified));
Assert.That(wordInfo.State, Is.EqualTo(WordState.Verified));
Assert.That(wordInfo.IsStudied);
Assert.That(wordInfo.IsLearned);
Assert.That(wordInfo.IsVerified);
}
public WordFilter(string[] words)
{
_trie = new Trie <WordInfo>();
_trieOfReversed = new Trie <WordInfo>();
for (int i = 0; i < words.Length; ++i)
{
Func <string, WordInfo> getNodeInfo = s => WordInfo.Create(words[i], i);
_trie.Insert(words[i], getNodeInfo);
var reversedWord = new string(words[i].Reverse().ToArray());
_trieOfReversed.Insert(reversedWord, getNodeInfo);
}
}
