1 files changed, 33 insertions, 0 deletions
diff --git a/xbmc/pvr/addons/PVRClientUID.cpp b/xbmc/pvr/addons/PVRClientUID.cpp
new file mode 100644
index 0000000..8788385
--- /dev/null
+++ b/xbmc/pvr/addons/PVRClientUID.cpp
@@ -0,0 +1,33 @@
+/*
+ *  Copyright (C) 2012-2022 Team Kodi
+ *  This file is part of Kodi - https://kodi.tv
+ *
+ *  SPDX-License-Identifier: GPL-2.0-or-later
+ *  See LICENSES/README.md for more information.
+ */
+
+#include "PVRClientUID.h"
+
+#include <functional>
+
+using namespace PVR;
+
+int CPVRClientUID::GetUID() const
+{
+  if (!m_uidCreated)
+  {
+    std::hash<std::string> hasher;
+
+    // Note: For database backwards compatibility reasons the hash of the first instance
+    // must be calculated just from the addonId, not from addonId and instanceId.
+    m_uid = static_cast<int>(hasher(
+        (m_instanceID > ADDON::ADDON_FIRST_INSTANCE_ID ? std::to_string(m_instanceID) + "@" : "") +
+        m_addonID));
+    if (m_uid < 0)
+      m_uid = -m_uid;
+
+    m_uidCreated = true;
+  }
+
+  return m_uid;
+}