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Telegram/SourceFiles/data/data_channel_admins.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_channel_admins.h"
+
+#include "history/history.h"
+#include "data/data_channel.h"
+#include "data/data_session.h"
+#include "main/main_session.h"
+
+namespace Data {
+
+ChannelAdminChanges::ChannelAdminChanges(not_null<ChannelData*> channel)
+: _channel(channel)
+, _admins(_channel->mgInfo->admins) {
+}
+
+void ChannelAdminChanges::add(UserId userId, const QString &rank) {
+	const auto i = _admins.find(userId);
+	if (i == end(_admins) || i->second != rank) {
+		_admins[userId] = rank;
+		_changes.emplace(userId);
+	}
+}
+
+void ChannelAdminChanges::remove(UserId userId) {
+	if (_admins.contains(userId)) {
+		_admins.remove(userId);
+		_changes.emplace(userId);
+	}
+}
+
+ChannelAdminChanges::~ChannelAdminChanges() {
+	if (_changes.size() > 1
+		|| (!_changes.empty()
+			&& _changes.front() != _channel->session().userId())) {
+		if (const auto history = _channel->owner().historyLoaded(_channel)) {
+			history->applyGroupAdminChanges(_changes);
+		}
+	}
+}
+
+} // namespace Data