diff --git a/spectrum/src/frontends/slack/SlackIdManager.h b/spectrum/src/frontends/slack/SlackIdManager.h
new file mode 100644
index 0000000000000000000000000000000000000000..edcbfd590601734b2c8b3178612c90dd877bfc39
--- /dev/null
+++ b/spectrum/src/frontends/slack/SlackIdManager.h
@@ -0,0 +1,101 @@
+/**
+ * Spectrum 2 Slack Frontend
+ *
+ * Copyright (C) 2015, Jan Kaluza <hanzz.k@gmail.com>
+ *
+ * This program 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 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02111-1301  USA
+ */
+
+#pragma once
+
+#include "SlackAPI.h"
+
+#include "transport/StorageBackend.h"
+#include "rapidjson/document.h"
+
+#include <Swiften/Network/TLSConnectionFactory.h>
+#include <Swiften/Network/HostAddressPort.h>
+#include <Swiften/TLS/PlatformTLSFactories.h>
+#include <Swiften/Network/DomainNameResolveError.h>
+#include <Swiften/Network/DomainNameAddressQuery.h>
+#include <Swiften/Network/DomainNameResolver.h>
+#include <Swiften/Network/HostAddress.h>
+#include <Swiften/Network/Connection.h>
+#include <Swiften/Base/SafeByteArray.h>
+#include "Swiften/Network/Timer.h"
+#include "Swiften/Version.h"
+
+#define HAVE_SWIFTEN_3  (SWIFTEN_VERSION >= 0x030000)
+
+#if HAVE_SWIFTEN_3
+#include <Swiften/TLS/TLSOptions.h>
+#endif
+
+#include <string>
+#include <algorithm>
+#include <map>
+
+#include <boost/signal.hpp>
+
+namespace Transport {
+
+class SlackIdManager {
+	public:
+		SlackIdManager();
+
+		virtual ~SlackIdManager();
+
+		std::map<std::string, SlackUserInfo> &getUsers() {
+			return m_users;
+		}
+
+		std::map<std::string, SlackChannelInfo> &getChannels() {
+			return m_channels;
+		}
+
+		std::map<std::string, SlackImInfo> &getIMs() {
+			return m_ims;
+		}
+
+		const std::string &getName(const std::string &id);
+		const std::string &getId(const std::string &name);
+
+		bool hasMember(const std::string &channelId, const std::string &userId);
+
+		const std::string &getSelfName() {
+			return m_selfName;
+		}
+
+		const std::string &getSelfId() {
+			return m_selfId;
+		}
+
+		void setSelfName(const std::string &name) {
+			m_selfName = name;
+		}
+
+		void setSelfId(const std::string &id) {
+			m_selfId = id;
+		}
+
+	private:
+		std::map<std::string, SlackChannelInfo> m_channels;
+		std::map<std::string, SlackImInfo> m_ims;
+		std::map<std::string, SlackUserInfo> m_users;
+		std::string m_selfName;
+		std::string m_selfId;
+};
+
+}