Move changelogs from ApiWrap to a separate module.

Telegram/SourceFiles/core/changelogs.cpp

@@ -0,0 +1,179 @@
+/*
+This file is part of Telegram Desktop,
+the official desktop version of Telegram messaging app, see https://telegram.org
+
+Telegram Desktop is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+It is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+In addition, as a special exception, the copyright holders give permission
+to link the code of portions of this program with the OpenSSL library.
+
+Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
+Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
+*/
+#include "core/changelogs.h"
+
+#include "storage/localstorage.h"
+#include "lang/lang_keys.h"
+#include "mainwindow.h"
+#include "apiwrap.h"
+
+namespace Core {
+namespace {
+
+std::map<int, const char*> AlphaLogs() {
+	return {
+	{
+		1001024,
+		"\xE2\x80\x94 Radically improved navigation. "
+		"New side panel on the right with quick access to "
+		"shared media and group members.\n"
+
+		"\xE2\x80\x94 Pinned Messages. If you are a channel admin, "
+		"pin messages to focus your subscribers\xE2\x80\x99 attention "
+		"on important announcements.\n"
+
+		"\xE2\x80\x94 Also supported clearing history in supergroups "
+		"and added a host of minor improvements."
+	},
+	{
+		1001026,
+		"\xE2\x80\x94 Admin badges in supergroup messages.\n"
+		"\xE2\x80\x94 Fix crashing on launch in OS X 10.6.\n"
+		"\xE2\x80\x94 Bug fixes and other minor improvements."
+	},
+	{
+		1001027,
+		"\xE2\x80\x94 Saved Messages. Bookmark messages by forwarding them "
+		"to \xE2\x80\x9C""Saved Messages\xE2\x80\x9D. "
+		"Access them from the Chats list or from the side menu."
+	},
+	{
+		1002002,
+		"\xE2\x80\x94 Grouped photos and videos are displayed as albums."
+	},
+	{
+		1002004,
+		"\xE2\x80\x94 Group media into an album "
+		"when sharing multiple photos and videos.\n"
+
+		"\xE2\x80\x94 Bug fixes and other minor improvements."
+	}
+	};
+}
+
+QString FormatVersionDisplay(int version) {
+	return QString::number(version / 1000000)
+		+ '.' + QString::number((version % 1000000) / 1000)
+		+ ((version % 1000)
+			? ('.' + QString::number(version % 1000))
+			: QString());
+}
+
+QString FormatVersionPrecise(int version) {
+	return QString::number(version / 1000000)
+		+ '.' + QString::number((version % 1000000) / 1000)
+		+ '.' + QString::number(version % 1000);
+}
+
+} // namespace
+
+Changelogs::Changelogs(not_null<AuthSession*> session, int oldVersion)
+: _session(session)
+, _oldVersion(oldVersion) {
+	_chatsSubscription = subscribe(
+		_session->data().moreChatsLoaded(),
+		[this] { requestCloudLogs(); });
+}
+
+std::unique_ptr<Changelogs> Changelogs::Create(
+		not_null<AuthSession*> session) {
+	const auto oldVersion = Local::oldMapVersion();
+	return (oldVersion > 0 && oldVersion < AppVersion)
+		? std::make_unique<Changelogs>(session, oldVersion)
+		: nullptr;
+}
+
+void Changelogs::requestCloudLogs() {
+	unsubscribe(base::take(_chatsSubscription));
+
+	const auto callback = [this](const MTPUpdates &result) {
+		_session->api().applyUpdates(result);
+
+		auto resultEmpty = true;
+		switch (result.type()) {
+		case mtpc_updateShortMessage:
+		case mtpc_updateShortChatMessage:
+		case mtpc_updateShort:
+			resultEmpty = false;
+			break;
+		case mtpc_updatesCombined:
+			resultEmpty = result.c_updatesCombined().vupdates.v.isEmpty();
+			break;
+		case mtpc_updates:
+			resultEmpty = result.c_updates().vupdates.v.isEmpty();
+			break;
+		case mtpc_updatesTooLong:
+		case mtpc_updateShortSentMessage:
+			LOG(("API Error: Bad updates type in app changelog."));
+			break;
+		}
+		if (resultEmpty) {
+			addLocalLogs();
+		}
+	};
+	_session->api().requestChangelog(
+		FormatVersionPrecise(_oldVersion),
+		base::lambda_guarded(this, callback));
+}
+
+void Changelogs::addLocalLogs() {
+	if (cAlphaVersion() || cBetaVersion()) {
+		addAlphaLogs();
+	}
+	if (!_addedSomeLocal) {
+		const auto text = lng_new_version_wrap(
+			lt_version,
+			str_const_toString(AppVersionStr),
+			lt_changes,
+			lang(lng_new_version_minor),
+			lt_link,
+			qsl("https://desktop.telegram.org/changelog"));
+		addLocalLog(text.trimmed());
+	}
+}
+
+void Changelogs::addLocalLog(const QString &text) {
+	auto textWithEntities = TextWithEntities{ text };
+	TextUtilities::ParseEntities(textWithEntities, TextParseLinks);
+	App::wnd()->serviceNotification(
+		textWithEntities,
+		MTP_messageMediaEmpty(),
+		unixtime());
+	_addedSomeLocal = true;
+};
+
+void Changelogs::addAlphaLogs() {
+	for (const auto[version, changes] : AlphaLogs()) {
+		addAlphaLog(version, changes);
+	}
+}
+
+void Changelogs::addAlphaLog(int changeVersion, const char *changes) {
+	if (_oldVersion >= changeVersion) {
+		return;
+	}
+	const auto version = FormatVersionDisplay(changeVersion);
+	const auto text = qsl("New in version %1:\n\n").arg(version)
+		+ QString::fromUtf8(changes).trimmed();
+	addLocalLog(text);
+}
+
+} // namespace Core