private static bool[] GetSelectionMarks(IReadOnlyList <Translation> allTranslations, InlineKeyboardButton[] originMessageButtons)
{
bool[] selectionMarks = new bool[allTranslations.Count];
int i = 0;
foreach (var originMessageButton in originMessageButtons)
{
var data = AddWordHelper.ParseQueryDataOrNull(originMessageButton.CallbackData);
if (data != null)
{
if (allTranslations[i].TranslatedText.Equals(data.Translation) && data.IsSelected)
{
selectionMarks[i] = true;
}
}
i++;
}
return(selectionMarks);
}
public async Task Handle(Update update)
{
var buttonData = AddWordHelper.ParseQueryDataOrNull(update.CallbackQuery.Data);
if (buttonData == null)
{
await Chat.ConfirmCallback(update.CallbackQuery.Id);
return;
}
// last translation is cached.
var cached = _cachedHandlerTranslationOrNull;
if (cached != null && cached.OriginWordText.Equals(buttonData.Origin))
{
// if translation is cached - fall into handler for fast handling
await cached.Handle(buttonData.Translation, update);
return;
}
// word is not cached
// so we need to find already translated items
var allTranslations = await _addWordService.FindInLocalDictionaryWithExamples(buttonData.Origin);
var originMessageButtons = update.CallbackQuery
.Message
?.ReplyMarkup
?.InlineKeyboard
?.SelectMany(i => i)
.ToArray();
if (originMessageButtons == null)
{
await Chat.ConfirmCallback(update.CallbackQuery.Id);
return;
}
if (originMessageButtons.Length < allTranslations.Count)
{
await Chat.ConfirmCallback(update.CallbackQuery.Id);
return;
}
var selectionMarks = GetSelectionMarks(allTranslations, originMessageButtons);
var index = AddWordHelper.FindIndexOf(allTranslations, buttonData.Translation);
if (index == -1)
{
await Chat.ConfirmCallback(update.CallbackQuery.Id);
return;
}
var selectedBefore = selectionMarks[index];
if (!selectedBefore)
{
selectionMarks[index] = true;
await _addWordService.AddTranslationToUser(Chat.User, allTranslations[index].GetEnRu());
await Chat.AnswerCallbackQueryWithTooltip(update.CallbackQuery.Id,
Chat.Texts.MessageAfterTranslationIsSelected(allTranslations[index]));
}
else
{
selectionMarks[index] = false;
await _addWordService.RemoveTranslationFromUser(Chat.User, allTranslations[index].GetEnRu());
await Chat.AnswerCallbackQueryWithTooltip(update.CallbackQuery.Id,
Chat.Texts.MessageAfterTranslationIsDeselected(allTranslations[index]));
}
await Chat.EditMessageButtons(
update.CallbackQuery.Message.MessageId,
allTranslations
.Select((t, i) => AddWordHelper.CreateButtonFor(t, selectionMarks[i]))
.ToArray());
}