Add class NotificationObjectId.

1 files changed, 71 insertions, 0 deletions

diff --git a/td/telegram/NotificationObjectId.h b/td/telegram/NotificationObjectId.h
new file mode 100644
index 000000000..7f38727de
--- /dev/null
+++ b/td/telegram/NotificationObjectId.h
@@ -0,0 +1,71 @@
+//
+// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2023
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+#pragma once
+
+#include "td/telegram/MessageId.h"
+
+#include "td/utils/common.h"
+
+namespace td {
+
+class NotificationObjectId {
+  int64 id = 0;
+
+ public:
+  NotificationObjectId() = default;
+
+  NotificationObjectId(MessageId message_id) : id(message_id.get()) {
+  }
+
+  static NotificationObjectId max() {
+    return NotificationObjectId(MessageId::max());
+  }
+
+  int64 get() const {
+    return id;
+  }
+
+  bool is_valid() const {
+    return id > 0;
+  }
+
+  bool operator==(const NotificationObjectId &other) const {
+    return id == other.id;
+  }
+
+  bool operator!=(const NotificationObjectId &other) const {
+    return id != other.id;
+  }
+
+  friend bool operator<(const NotificationObjectId &lhs, const NotificationObjectId &rhs) {
+    return lhs.id < rhs.id;
+  }
+
+  friend bool operator>(const NotificationObjectId &lhs, const NotificationObjectId &rhs) {
+    return lhs.id > rhs.id;
+  }
+
+  friend bool operator<=(const NotificationObjectId &lhs, const NotificationObjectId &rhs) {
+    return lhs.id <= rhs.id;
+  }
+
+  friend bool operator>=(const NotificationObjectId &lhs, const NotificationObjectId &rhs) {
+    return lhs.id >= rhs.id;
+  }
+};
+
+struct NotificationObjectIdHash {
+  uint32 operator()(NotificationObjectId notification_object_id) const {
+    return Hash<int64>()(notification_object_id.get());
+  }
+};
+
+inline StringBuilder &operator<<(StringBuilder &string_builder, NotificationObjectId notification_object_id) {
+  return string_builder << "notification object " << notification_object_id.get();
+}
+
+}  // namespace td