ref(omemo): bundle separate, add db

qomemo/database.h

@@ -0,0 +1,40 @@
+/*
+ * Created by victoria on 2021-05-13.
+ */
+
+#pragma once
+
+#include <QBuffer>
+#include <QString>
+#include <lmdb.h>
+
+namespace QXmpp::Omemo {
+
+class Database {
+public:
+  explicit Database(QString jid);
+  ~Database();
+  Database(const Database &) = delete;
+  Database(Database &&) = delete;
+  Database &operator=(const Database &) = delete;
+
+  QBuffer loadIdentityKey();
+  bool saveIdentityKey(const QBuffer &identityKey);
+
+  int loadActiveDeviceId();
+  bool saveActiveDeviceId(int deviceId);
+
+  QBuffer loadIdentityKeySecret(int deviceId);
+  bool saveIdentityKeySecret(int deviceId, const QBuffer &identityKeySecret);
+
+  const QString jid;
+
+private:
+  MDB_env *env{};
+  MDB_dbi dbiDevices{};
+  MDB_dbi dbiKeys{};
+  MDB_dbi dbiPreKeys{};
+  MDB_dbi dbiIdentityKeys{};
+};
+
+} // namespace QXmpp::Omemo