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());
}
private async Task <string?> EnterSingleWordAsync(string?word = null)
{
if (string.IsNullOrWhiteSpace(word))
{
await Chat.SendMessageAsync($"{Emojis.Translate} {Chat.Texts.EnterWordOrStart}");
word = await Chat.WaitUserTextInputAsync();
}
Chat.User.OnAnyActivity();
// Search translations in local dictionary
UserWordModel alreadyExistUserWord = null;
if (!word.IsRussian())
{
alreadyExistUserWord = await _addWordService.GetWordNullByEngWord(Chat.User, word);
}
var translations = await _addWordService.FindInLocalDictionaryWithExamples(word);
if (!translations.Any()) // if not, search it in Ya dictionary
{
translations = await _addWordService.TranslateAndAddToDictionary(word);
}
if (translations?.Any() != true)
{
await Chat.SendMessageAsync(Chat.Texts.NoTranslationsFound);
return(null);
}
// get button selection marks. It works only for english words!
bool[] selectionMarks = GetSelectionMarks(translations, alreadyExistUserWord);
if (!selectionMarks[0])
{
// Automaticly select first translation if it was not selected before
await _addWordService.AddTranslationToUser(Chat.User, translations[0].GetEnRu());
selectionMarks[0] = true;
}
// getting first transcription
var transcription = translations.FirstOrDefault(t => !string.IsNullOrWhiteSpace(t.EnTranscription))
?.EnTranscription;
var handler = new LastTranslationHandler(
translations: translations,
chat: Chat,
addWordService: _addWordService);
_translationSelectedUpdateHook.SetLastTranslationHandler(handler);
await handler.SendTranslationMessage(word, transcription, selectionMarks);
if (word.IsRussian())
{
Chat.User.OnRussianWordTranslationRequest();
}
else
{
Chat.User.OnEnglishWordTranslationRequest();
}
try
{
// user request next word
var res = await Chat.WaitUserTextInputAsync();
// notify handler, that we leave the flow
return(res);
}
finally
{
handler.OnNextTranslationRequest();
}
}