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Telegram/SourceFiles/data/data_peer_bot_commands.cpp

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+/*
+This file is part of Telegram Desktop,
+the official desktop application for the Telegram messaging service.
+
+For license and copyright information please follow this link:
+https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
+*/
+#include "data/data_peer_bot_commands.h"
+
+namespace Data {
+
+ChatBotCommands::Changed ChatBotCommands::update(
+		const std::vector<BotCommands> &list) {
+	auto changed = false;
+	if (list.empty()) {
+		changed = (list.empty() != empty());
+		clear();
+	} else {
+		for (const auto &commands : list) {
+			if (commands.commands.empty()) {
+				changed |= remove(commands.userId);
+			} else {
+				auto &value = operator[](commands.userId);
+				const auto isEqual = ranges::equal(value, commands.commands);
+				changed |= !isEqual;
+				if (!isEqual) {
+					value = commands.commands;
+				}
+			}
+		}
+	}
+	return changed;
+}
+
+BotCommands BotCommandsFromTL(const MTPBotInfo &result) {
+	return result.match([](const MTPDbotInfo &data) {
+		const auto userId = data.vuser_id()
+			? UserId(*data.vuser_id())
+			: UserId();
+		if (!data.vcommands()) {
+			return BotCommands{ .userId = userId };
+		}
+		auto commands = ranges::views::all(
+			data.vcommands()->v
+		) | ranges::views::transform(BotCommandFromTL) | ranges::to_vector;
+		return BotCommands{
+			.userId = userId,
+			.commands = std::move(commands),
+		};
+	});
+}
+
+} // namespace Data