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Telegram/SourceFiles/api/api_hash.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 "api/api_hash.h"
+
+#include "data/data_document.h"
+#include "data/data_session.h"
+#include "data/stickers/data_stickers.h"
+#include "main/main_session.h"
+
+namespace Api {
+namespace {
+
+[[nodiscard]] uint64 CountDocumentVectorHash(
+		const QVector<DocumentData*> vector) {
+	auto result = HashInit();
+	for (const auto document : vector) {
+		HashUpdate(result, document->id);
+	}
+	return HashFinalize(result);
+}
+
+[[nodiscard]] uint64 CountSpecialStickerSetHash(
+		not_null<Main::Session*> session,
+		uint64 setId) {
+	const auto &sets = session->data().stickers().sets();
+	const auto it = sets.find(setId);
+	if (it != sets.cend()) {
+		return CountDocumentVectorHash(it->second->stickers);
+	}
+	return 0;
+}
+
+[[nodiscard]] uint64 CountStickersOrderHash(
+		not_null<Main::Session*> session,
+		const Data::StickersSetsOrder &order,
+		bool checkOutdatedInfo) {
+	using Flag = Data::StickersSetFlag;
+	auto result = HashInit();
+	bool foundOutdated = false;
+	const auto &sets = session->data().stickers().sets();
+	for (auto i = order.cbegin(), e = order.cend(); i != e; ++i) {
+		auto it = sets.find(*i);
+		if (it != sets.cend()) {
+			const auto set = it->second.get();
+			if (set->id == Data::Stickers::DefaultSetId) {
+				foundOutdated = true;
+			} else if (!(set->flags & Flag::Special)
+				&& !(set->flags & Flag::Archived)) {
+				HashUpdate(result, set->hash);
+			}
+		}
+	}
+	return (!checkOutdatedInfo || !foundOutdated)
+		? HashFinalize(result)
+		: 0;
+}
+
+[[nodiscard]] uint64 CountFeaturedHash(
+		not_null<Main::Session*> session,
+		const Data::StickersSetsOrder &order) {
+	auto result = HashInit();
+	const auto &sets = session->data().stickers().sets();
+	for (const auto setId : order) {
+		HashUpdate(result, setId);
+
+		const auto it = sets.find(setId);
+		if (it != sets.cend()
+			&& (it->second->flags & Data::StickersSetFlag::Unread)) {
+			HashUpdate(result, 1);
+		}
+	}
+	return HashFinalize(result);
+}
+
+} // namespace
+
+uint64 CountStickersHash(
+		not_null<Main::Session*> session,
+		bool checkOutdatedInfo) {
+	return CountStickersOrderHash(
+		session,
+		session->data().stickers().setsOrder(),
+		checkOutdatedInfo);
+}
+
+uint64 CountMasksHash(
+		not_null<Main::Session*> session,
+		bool checkOutdatedInfo) {
+	return CountStickersOrderHash(
+		session,
+		session->data().stickers().maskSetsOrder(),
+		checkOutdatedInfo);
+}
+
+uint64 CountCustomEmojiHash(
+		not_null<Main::Session*> session,
+		bool checkOutdatedInfo) {
+	return CountStickersOrderHash(
+		session,
+		session->data().stickers().emojiSetsOrder(),
+		checkOutdatedInfo);
+}
+
+uint64 CountRecentStickersHash(
+		not_null<Main::Session*> session,
+		bool attached) {
+	return CountSpecialStickerSetHash(
+		session,
+		attached
+			? Data::Stickers::CloudRecentAttachedSetId
+			: Data::Stickers::CloudRecentSetId);
+}
+
+uint64 CountFavedStickersHash(not_null<Main::Session*> session) {
+	return CountSpecialStickerSetHash(session, Data::Stickers::FavedSetId);
+}
+
+uint64 CountFeaturedStickersHash(not_null<Main::Session*> session) {
+	return CountFeaturedHash(
+		session,
+		session->data().stickers().featuredSetsOrder());
+}
+
+uint64 CountFeaturedEmojiHash(not_null<Main::Session*> session) {
+	return CountFeaturedHash(
+		session,
+		session->data().stickers().featuredEmojiSetsOrder());
+}
+
+uint64 CountSavedGifsHash(not_null<Main::Session*> session) {
+	return CountDocumentVectorHash(session->data().stickers().savedGifs());
+}
+
+} // namespace Api