Hide calls to Incredis in the Storage class.

This should allow me to write some decent
simulation tests.

src/tawashi/storage.hpp

@@ -0,0 +1,61 @@
+/* Copyright 2017, Michele Santullo
+ * This file is part of "tawashi".
+ *
+ * "tawashi" 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.
+ *
+ * "tawashi" 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 "tawashi".  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#include "kakoune/safe_ptr.hh"
+#include "error_reasons.hpp"
+#include <memory>
+#include <cstdint>
+#include <boost/utility/string_ref.hpp>
+#include <boost/optional.hpp>
+#include <string>
+
+namespace redis {
+	class IncRedis;
+} //namespace redis
+
+namespace tawashi {
+	class SettingsBag;
+
+	class Storage {
+	public:
+		struct SubmissionResult {
+			std::string token;
+			boost::optional<ErrorReasons> error;
+		};
+
+		explicit Storage (const Kakoune::SafePtr<SettingsBag>& parSettings);
+		~Storage();
+
+		void connect_async();
+		bool is_connected() const;
+		void finalize_connection();
+		SubmissionResult submit_pastie (
+			const boost::string_ref& parText,
+			uint32_t parExpiry,
+			const boost::string_ref& parLang,
+			const std::string& parRemoteIP
+		) const;
+
+		boost::optional<std::string> retrieve_pastie (const boost::string_ref& parToken) const;
+
+	private:
+		std::unique_ptr<redis::IncRedis> m_redis;
+		Kakoune::SafePtr<SettingsBag> m_settings;
+	};
+} //namespace tawashi