1 files changed, 124 insertions, 0 deletions
diff --git a/server-v1/source/EpistmoolServer/Protocol/Command.hpp b/server-v1/source/EpistmoolServer/Protocol/Command.hpp
new file mode 100644
index 0000000..9ec9786
--- /dev/null
+++ b/server-v1/source/EpistmoolServer/Protocol/Command.hpp
@@ -0,0 +1,124 @@
+#pragma once
+
+#include "all_fwd.hpp"
+
+#include <QLatin1String>
+#include <QVersionNumber>
+#include <cstddef>
+#include <memory>
+
+class QJsonObject;
+
+namespace Epistmool::Server {
+
+// Note: not all message kinds have a corresponding reply format. In such case the Kind enum is prefixed with 'Notification'.
+class ProtocolMessage
+{
+	Q_GADGET
+
+public:
+	struct KindTrait
+	{
+		bool isC2S;
+		bool hasReply;
+	};
+
+	enum Kind
+	{
+		SessionAuth,
+		SessionDestroy,
+
+		WorkspaceCreate,
+		WorkspaceOpen,
+		WorkspaceFetchIndex,
+
+		WorkspaceFetchKnowledge,
+		WorkspaceUpdateKnowledge,
+		WorkspaceCreateKnowledge,
+		WorkspaceDeleteKnowledge,
+
+		WorkspaceFetchKeyword,
+		WorkspaceUpdateKeyword,
+		WorkspaceCreateKeyword,
+		WorkspaceDeleteKeyword,
+
+		NotificationWorkspaceUpdated,
+		NotificationKnowledgeUpdated,
+
+		KindCOUNT,
+	};
+	Q_ENUM(Kind)
+
+	static std::unique_ptr<ProtocolRequest> createRequest(Kind kind);
+	static std::unique_ptr<ProtocolReply> createReply(Kind kind);
+	static const KindTrait& getKindTrait(Kind kind);
+
+	enum Variant
+	{
+		RequestVariant,
+		ReplyVariant,
+	};
+	Q_ENUM(Variant)
+
+public:
+	Kind kind;
+	Variant variant;
+
+public:
+	ProtocolMessage(Kind kind, Variant variant);
+	virtual ~ProtocolMessage() = default;
+
+protected:
+	virtual void serializeFields(QJsonObject& object) const = 0;
+	virtual void deserializeFields(const QJsonObject& object) = 0;
+};
+
+struct ProtocolRequest : public ProtocolMessage
+{
+	ProtocolRequest(Kind kind);
+	static QJsonObject serialize(const ProtocolRequest& msg);
+	static std::unique_ptr<ProtocolRequest> deserialize(const QJsonObject& object);
+};
+
+struct ProtocolReply : public ProtocolMessage
+{
+	int sequence;
+
+	ProtocolReply(Kind kind);
+	static QJsonObject serialize(const ProtocolReply& msg);
+	static std::unique_ptr<ProtocolReply> deserialize(const QJsonObject& object);
+};
+
+// ===========================
+// Individual messages classes
+
+struct ProtocolRequest_SessionAuth : public ProtocolRequest
+{
+	int theSession;
+	bool createIfInvalid;
+
+	ProtocolRequest_SessionAuth();
+
+protected:
+	virtual void serializeFields(QJsonObject& object) const override;
+	virtual void deserializeFields(const QJsonObject& object) override;
+};
+
+struct ProtocolReply_SessionAuth : public ProtocolReply
+{
+	/// The same value as provided in the request message.
+	/// If \l ProcotolCommandSessionAuth::createIfValid is set and the given session is invalid, a new session is created and written here instead of the original value.
+	int theSession;
+
+	ProtocolReply_SessionAuth();
+
+protected:
+	virtual void serializeFields(QJsonObject& object) const override;
+	virtual void deserializeFields(const QJsonObject& object) override;
+};
+
+struct ProtocolNotification_WorkspaceUpdate : public ProtocolRequest
+{
+};
+
+} // namespace Epistmool::Server