public bool TryAdd(IToBeLearnedItem item)
{
//Check if an item with this question already exists (don't want duplicates!)
var itemQuestion = item.GetQuestion();
if (_loadedItems.Any(m => string.Compare(m.GetTheQuestion(), itemQuestion, true) == 0))
{
return(false);
}
//Generate a new statistics item for this
var wordStats = new WordStatistics
{
DateLearned = DateTime.Now,
NumberOfTimesAnsweredCorrectly = 0,
NumberOfTimesAsked = 0,
UniqueId = item.UniqueId,
};
_loadedItems.Add(new MemorisableItem(item, wordStats));
_wordSerialiser.AddItemForSerialisation(item);
//Probably shouldn't rewrite the whole thing after every new item added, but works for now
WriteWordsToStorage();
WriteStatsToStorage();
return(true);
}
public void AddItemForSerialisation(IToBeLearnedItem item)
{
switch (item)
{
case NounWord n:
_fileData.LearnedNouns.Add(ConvertToDataRecord(n));
break;
case AdjectiveWord a:
_fileData.LearnedAdjectives.Add(ConvertToDataRecord(a));
break;
case VerbWord v:
_fileData.LearnedVerbs.Add(ConvertToDataRecord(v));
break;
default:
throw new InvalidOperationException("Attempted serializing unsupported type: " + item.GetType());
}
}
public MemorisableItem(IToBeLearnedItem toBeLearnedItem, WordStatistics stats)
{
_toBeLearned = toBeLearnedItem;
statistics = stats;
}
