private static WordEventInfo CreateEventInfo(Word word, WordEventInfo prevEventInfo, WordEvent wordEvent)
{
if (prevEventInfo == null || wordEvent.EventType != WordEventType.Remembered)
{
return(new WordEventInfo(word, wordEvent, WordState.Studied, wordEvent.EventDate));
}
TimeSpan timeSinceLastStateChange = wordEvent.EventDate - prevEventInfo.LastStateChange;
if (prevEventInfo.WordState == WordState.Studied && timeSinceLastStateChange >= WordInfo.TimeToMarkRepeated)
{
return(new WordEventInfo(word, wordEvent, WordState.Repeated, wordEvent.EventDate));
}
if (prevEventInfo.WordState == WordState.Repeated && timeSinceLastStateChange >= WordInfo.TimeToMarkLearned)
{
return(new WordEventInfo(word, wordEvent, WordState.Learned, wordEvent.EventDate));
}
if (prevEventInfo.WordState == WordState.Learned && timeSinceLastStateChange >= WordInfo.TimeToMarkVerified)
{
return(new WordEventInfo(word, wordEvent, WordState.Verified, wordEvent.EventDate));
}
return(new WordEventInfo(word, wordEvent, prevEventInfo.WordState, prevEventInfo.LastStateChange));
}
private void UpdateEvents()
{
WordState lastState = WordState.Unknown;
DateTime lastStateChange = DateTime.MinValue;
List <WordEventInfo> eventInfos = new List <WordEventInfo>();
foreach (WordInfo wordInfo in words)
{
WordEventInfo lastEventInfo = null;
foreach (WordEvent wordEvent in wordInfo.Word.Events)
{
if (wordEvent.EventType == WordEventType.Added || wordEvent.Translation == Translation)
{
lastEventInfo = CreateEventInfo(wordInfo.Word, lastEventInfo, wordEvent);
eventInfos.Add(lastEventInfo);
}
}
if (lastEventInfo != null && (lastState == WordState.Unknown || lastEventInfo.WordState < lastState))
{
lastState = lastEventInfo.WordState;
lastStateChange = lastEventInfo.LastStateChange;
}
}
State = lastState;
LastStateChange = lastStateChange;
eventInfos.Reverse();
eventInfos = eventInfos.OrderByDescending(e => e.WordEvent.EventDate).ToList();
Events.Clear();
foreach (WordEventInfo eventInfo in eventInfos)
{
Events.Add(eventInfo);
}
}
private void UpdateEvents()
{
WordEventInfo lastEventInfo = null;
List <WordEventInfo> eventInfos = new List <WordEventInfo>();
foreach (WordEvent wordEvent in word.Events)
{
if (wordEvent.Translation == null)
{
lastEventInfo = CreateEventInfo(word, lastEventInfo, wordEvent);
eventInfos.Add(lastEventInfo);
}
}
eventInfos.Reverse();
LastEvent = eventInfos.FirstOrDefault();
Events.Clear();
foreach (WordEventInfo eventInfo in eventInfos)
{
Events.Add(eventInfo);
}
}
private static WordEventInfo CreateEventInfo(Word word, WordEventInfo prevEventInfo, WordEvent wordEvent)
{
if (prevEventInfo == null || wordEvent.EventType != WordEventType.Remembered)
{
return new WordEventInfo(word, wordEvent, WordState.Studied, wordEvent.EventDate);
}
TimeSpan timeSinceLastStateChange = wordEvent.EventDate - prevEventInfo.LastStateChange;
if (prevEventInfo.WordState == WordState.Studied && timeSinceLastStateChange >= WordInfo.TimeToMarkRepeated)
{
return new WordEventInfo(word, wordEvent, WordState.Repeated, wordEvent.EventDate);
}
if (prevEventInfo.WordState == WordState.Repeated && timeSinceLastStateChange >= WordInfo.TimeToMarkLearned)
{
return new WordEventInfo(word, wordEvent, WordState.Learned, wordEvent.EventDate);
}
if (prevEventInfo.WordState == WordState.Learned && timeSinceLastStateChange >= WordInfo.TimeToMarkVerified)
{
return new WordEventInfo(word, wordEvent, WordState.Verified, wordEvent.EventDate);
}
return new WordEventInfo(word, wordEvent, prevEventInfo.WordState, prevEventInfo.LastStateChange);
}
