1 files changed, 90 insertions, 0 deletions
diff --git a/include/erebos/message.h b/include/erebos/message.h
new file mode 100644
index 0000000..6415f92
--- /dev/null
+++ b/include/erebos/message.h
@@ -0,0 +1,90 @@
+#pragma once
+
+#include <erebos/service.h>
+
+#include <chrono>
+#include <functional>
+#include <optional>
+#include <string>
+
+namespace erebos {
+
+class Identity;
+
+class DirectMessage
+{
+public:
+	const Identity & from() const;
+	const ZonedTime & time() const;
+	const std::string & text() const;
+
+private:
+	friend class DirectMessageThread;
+	friend class DirectMessageService;
+	struct Priv;
+	DirectMessage(Priv *);
+	std::shared_ptr<Priv> p;
+};
+
+class DirectMessageThread
+{
+public:
+	class Iterator
+	{
+		struct Priv;
+		Iterator(Priv *);
+	public:
+		using iterator_category = std::forward_iterator_tag;
+		using value_type = DirectMessage;
+		using difference_type = ssize_t;
+		using pointer = const DirectMessage *;
+		using reference = const DirectMessage &;
+
+		Iterator(const Iterator &);
+		~Iterator();
+		Iterator & operator=(const Iterator &);
+		Iterator & operator++();
+		value_type operator*() const;
+		bool operator==(const Iterator &) const;
+		bool operator!=(const Iterator &) const;
+
+	private:
+		friend DirectMessageThread;
+		std::unique_ptr<Priv> p;
+	};
+
+	Iterator begin() const;
+	Iterator end() const;
+
+	size_t size() const;
+	DirectMessage at(size_t) const;
+
+	const Identity & peer() const;
+
+private:
+	friend class DirectMessageService;
+	struct Priv;
+	DirectMessageThread(Priv *);
+	std::shared_ptr<Priv> p;
+};
+
+class DirectMessageService : public Service
+{
+public:
+	DirectMessageService();
+	virtual ~DirectMessageService();
+
+	UUID uuid() const override;
+	void handle(Context &) const override;
+
+	typedef std::function<void(const DirectMessageThread &, ssize_t, ssize_t)> ThreadWatcher;
+	static void onUpdate(ThreadWatcher);
+	static DirectMessageThread thread(const Identity &);
+
+	static DirectMessage send(const Identity &, const Peer &, const std::string &);
+
+private:
+	struct Priv;
+};
+
+}