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Telegram/SourceFiles/data/data_message_reaction_id.cpp

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+/*
+This file is part of Telegram Desktop,
+the official desktop application for the Telegram messaging service.
+
+For license and copyright information please follow this link:
+https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
+*/
+#include "data/data_message_reaction_id.h"
+
+#include "data/stickers/data_custom_emoji.h"
+
+namespace Data {
+
+QString SearchTagToQuery(const ReactionId &tagId) {
+	if (const auto customId = tagId.custom()) {
+		return u"#tag-custom:%1"_q.arg(customId);
+	} else if (!tagId) {
+		return QString();
+	}
+	return u"#tag-emoji:"_q + tagId.emoji();
+}
+
+ReactionId SearchTagFromQuery(const QString &query) {
+	const auto list = query.split(QChar(' '));
+	const auto tag = list.isEmpty() ? QString() : list[0];
+	if (tag.startsWith(u"#tag-custom:"_q)) {
+		return ReactionId{ DocumentId(tag.mid(12).toULongLong()) };
+	} else if (tag.startsWith(u"#tag-emoji:"_q)) {
+		return ReactionId{ tag.mid(11) };
+	}
+	return {};
+}
+
+std::vector<ReactionId> SearchTagsFromQuery(
+		const QString &query) {
+	auto result = std::vector<ReactionId>();
+	if (const auto tag = SearchTagFromQuery(query)) {
+		result.push_back(tag);
+	}
+	return result;
+}
+
+HashtagWithUsername HashtagWithUsernameFromQuery(QStringView query) {
+	const auto match = TextUtilities::RegExpHashtag(true).match(query);
+	if (match.hasMatch()) {
+		const auto username = match.capturedView(2).mid(1).toString();
+		const auto offset = int(match.capturedLength(1));
+		const auto full = int(query.size());
+		const auto length = full
+			- int(username.size())
+			- 1
+			- offset
+			- int(match.capturedLength(3));
+		if (!username.isEmpty() && length > 0 && offset + length <= full) {
+			const auto hashtag = query.mid(offset, length).toString();
+			return { hashtag, username };
+		}
+	}
+	return {};
+}
+
+QString ReactionEntityData(const ReactionId &id) {
+	if (id.empty()) {
+		return {};
+	} else if (const auto custom = id.custom()) {
+		return SerializeCustomEmojiId(custom);
+	}
+	return u"default:"_q + id.emoji();
+}
+
+ReactionId ReactionFromMTP(const MTPReaction &reaction) {
+	return reaction.match([](MTPDreactionEmpty) {
+		return ReactionId{ QString() };
+	}, [](const MTPDreactionEmoji &data) {
+		return ReactionId{ qs(data.vemoticon()) };
+	}, [](const MTPDreactionCustomEmoji &data) {
+		return ReactionId{ DocumentId(data.vdocument_id().v) };
+	}, [](const MTPDreactionPaid &) {
+		return ReactionId::Paid();
+	});
+}
+
+MTPReaction ReactionToMTP(ReactionId id) {
+	if (!id) {
+		return MTP_reactionEmpty();
+	} else if (id.paid()) {
+		return MTP_reactionPaid();
+	} else if (const auto custom = id.custom()) {
+		return MTP_reactionCustomEmoji(MTP_long(custom));
+	} else {
+		return MTP_reactionEmoji(MTP_string(id.emoji()));
+	}
+}
+
+} // namespace Data