Send poll solution with entities.

Telegram/SourceFiles/apiwrap.cpp

@@ -5754,16 +5754,6 @@ void ApiWrap::createPoll(
 	if (action.options.scheduled) {
 		sendFlags |= MTPmessages_SendMedia::Flag::f_schedule_date;
 	}
-
-	const auto inputFlags = data.quiz()
-		? MTPDinputMediaPoll::Flag::f_correct_answers
-		: MTPDinputMediaPoll::Flag(0);
-	auto correct = QVector<MTPbytes>();
-	for (const auto &answer : data.answers) {
-		if (answer.correct) {
-			correct.push_back(MTP_bytes(answer.option));
-		}
-	}
 	auto &histories = history->owner().histories();
 	const auto requestType = Data::Histories::RequestType::Send;
 	histories.sendRequest(history, requestType, [=](Fn<void()> finish) {
@@ -5772,12 +5762,7 @@ void ApiWrap::createPoll(
 			MTP_flags(sendFlags),
 			peer->input,
 			MTP_int(replyTo),
-			MTP_inputMediaPoll(
-				MTP_flags(inputFlags),
-				PollDataToMTP(&data),
-				MTP_vector<MTPbytes>(correct),
-				MTPstring(), // #TODO polls solution
-				MTPvector<MTPMessageEntity>()),
+			PollDataToInputMedia(&data),
 			MTP_string(),
 			MTP_long(rand_value<uint64>()),
 			MTPReplyMarkup(),
@@ -5854,27 +5839,12 @@ void ApiWrap::closePoll(not_null<HistoryItem*> item) {
 	if (!poll) {
 		return;
 	}
-
-	const auto inputFlags = poll->quiz()
-		? MTPDinputMediaPoll::Flag::f_correct_answers
-		: MTPDinputMediaPoll::Flag(0);
-	auto correct = QVector<MTPbytes>();
-	for (const auto &answer : poll->answers) {
-		if (answer.correct) {
-			correct.push_back(MTP_bytes(answer.option));
-		}
-	}
 	const auto requestId = request(MTPmessages_EditMessage(
 		MTP_flags(MTPmessages_EditMessage::Flag::f_media),
 		item->history()->peer->input,
 		MTP_int(item->id),
 		MTPstring(),
-		MTP_inputMediaPoll(
-			MTP_flags(inputFlags),
-			PollDataToMTP(poll, true),
-			MTP_vector<MTPbytes>(correct),
-			MTPstring(), // #TODO polls solution
-			MTPvector<MTPMessageEntity>()),
+		PollDataToInputMedia(poll, true),
 		MTPReplyMarkup(),
 		MTPVector<MTPMessageEntity>(),
 		MTP_int(0) // schedule_date

Telegram/SourceFiles/boxes/create_poll_box.cpp

@@ -38,6 +38,7 @@ constexpr auto kMaxOptionsCount = PollData::kMaxOptions;
 constexpr auto kOptionLimit = 100;
 constexpr auto kWarnQuestionLimit = 80;
 constexpr auto kWarnOptionLimit = 30;
+constexpr auto kSolutionLimit = 400;
 constexpr auto kErrorLimit = 99;
 
 class Options {
@@ -816,7 +817,13 @@ not_null<Ui::InputField*> CreatePollBox::setupSolution(
 			tr::lng_polls_solution_placeholder()),
 		st::createPollFieldPadding);
 	InitField(getDelegate()->outerContainer(), solution, _session);
-	solution->setMaxLength(kQuestionLimit + kErrorLimit);
+	solution->setMaxLength(kSolutionLimit + kErrorLimit);
+	solution->setInstantReplaces(Ui::InstantReplaces::Default());
+	solution->setInstantReplacesEnabled(
+		_session->settings().replaceEmojiValue());
+	solution->setMarkdownReplacesEnabled(rpl::single(true));
+	solution->setEditLinkCallback(
+		DefaultEditLinkCallback(_session, solution));
 
 	inner->add(
 		object_ptr<Ui::FlatLabel>(
@@ -901,7 +908,7 @@ object_ptr<Ui::RpWidget> CreatePollBox::setupContent() {
 			st::defaultCheckbox),
 		st::createPollCheckboxMargin);
 
-	const auto explanation = setupSolution(
+	const auto solution = setupSolution(
 		container,
 		rpl::single(quiz->checked()) | rpl::then(quiz->checkedChanges()));
 
@@ -950,6 +957,13 @@ object_ptr<Ui::RpWidget> CreatePollBox::setupContent() {
 		auto result = PollData(&_session->data(), id);
 		result.question = question->getLastText().trimmed();
 		result.answers = options->toPollAnswers();
+		const auto solutionWithTags = quiz->checked()
+			? solution->getTextWithAppliedMarkdown()
+			: TextWithTags();
+		result.solution = TextWithEntities{
+			solutionWithTags.text,
+			TextUtilities::ConvertTextTagsToEntities(solutionWithTags.tags)
+		};
 		const auto publicVotes = (anonymous && !anonymous->checked());
 		const auto multiChoice = (multiple && multiple->checked());
 		result.setFlags(Flag(0)

Telegram/SourceFiles/data/data_poll.cpp

@@ -11,6 +11,8 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "data/data_user.h"
 #include "data/data_session.h"
 #include "main/main_session.h"
+#include "api/api_text_entities.h"
+#include "ui/text_options.h"
 
 namespace {
 
@@ -123,6 +125,15 @@ bool PollData::applyResults(const MTPPollResults &results) {
 				}) | ranges::to_vector;
 			}
 		}
+		auto newSolution = TextWithEntities{
+			results.vsolution().value_or_empty(),
+			Api::EntitiesFromMTP(
+				results.vsolution_entities().value_or_empty())
+		};
+		if (solution != newSolution) {
+			solution = std::move(newSolution);
+			changed = true;
+		}
 		if (!changed) {
 			return false;
 		}
@@ -226,12 +237,48 @@ MTPPoll PollDataToMTP(not_null<const PollData*> poll, bool close) {
 	const auto flags = ((poll->closed() || close) ? Flag::f_closed : Flag(0))
 		| (poll->multiChoice() ? Flag::f_multiple_choice : Flag(0))
 		| (poll->publicVotes() ? Flag::f_public_voters : Flag(0))
-		| (poll->quiz() ? Flag::f_quiz : Flag(0));
+		| (poll->quiz() ? Flag::f_quiz : Flag(0))
+		| (poll->closePeriod > 0 ? Flag::f_close_period : Flag(0));
 	return MTP_poll(
 		MTP_long(poll->id),
 		MTP_flags(flags),
 		MTP_string(poll->question),
 		MTP_vector<MTPPollAnswer>(answers),
-		MTPint(), // #TODO polls close_period
-		MTPint());
+		MTP_int(poll->closePeriod),
+		MTP_int(poll->closeDate));
+}
+
+MTPInputMedia PollDataToInputMedia(
+		not_null<const PollData*> poll,
+		bool close) {
+	auto inputFlags = MTPDinputMediaPoll::Flag(0)
+		| (poll->quiz()
+			? MTPDinputMediaPoll::Flag::f_correct_answers
+			: MTPDinputMediaPoll::Flag(0));
+	auto correct = QVector<MTPbytes>();
+	for (const auto &answer : poll->answers) {
+		if (answer.correct) {
+			correct.push_back(MTP_bytes(answer.option));
+		}
+	}
+
+	auto solution = poll->solution;
+	const auto prepareFlags = Ui::ItemTextDefaultOptions().flags;
+	TextUtilities::PrepareForSending(solution, prepareFlags);
+	TextUtilities::Trim(solution);
+	const auto sentEntities = Api::EntitiesToMTP(
+		solution.entities,
+		Api::ConvertOption::SkipLocal);
+	if (!solution.text.isEmpty()) {
+		inputFlags |= MTPDinputMediaPoll::Flag::f_solution;
+	}
+	if (!sentEntities.v.isEmpty()) {
+		inputFlags |= MTPDinputMediaPoll::Flag::f_solution_entities;
+	}
+	return MTP_inputMediaPoll(
+		MTP_flags(inputFlags),
+		PollDataToMTP(poll, close),
+		MTP_vector<MTPbytes>(correct),
+		MTP_string(solution.text),
+		sentEntities);
 }

Telegram/SourceFiles/data/data_poll.h

@@ -60,10 +60,12 @@ struct PollData {
 	QString question;
 	std::vector<PollAnswer> answers;
 	std::vector<not_null<UserData*>> recentVoters;
-	int totalVoters = 0;
 	std::vector<QByteArray> sendingVotes;
 	crl::time lastResultsUpdate = 0;
-
+	TextWithEntities solution;
+	TimeId closePeriod = -1;
+	TimeId closeDate = -1;
+	int totalVoters = 0;
 	int version = 0;
 
 	static constexpr auto kMaxOptions = 10;
@@ -78,4 +80,9 @@ private:
 
 };
 
-MTPPoll PollDataToMTP(not_null<const PollData*> poll, bool close = false);
+[[nodiscard]] MTPPoll PollDataToMTP(
+	not_null<const PollData*> poll,
+	bool close = false);
+[[nodiscard]] MTPInputMedia PollDataToInputMedia(
+	not_null<const PollData*> poll,
+	bool close = false);