matrix-room-list.cpp
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matrix-room-list.cpp
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	/*
	* This file is part of kazv.
	* SPDX-FileCopyrightText: 2020 Tusooa Zhu <tusooa@kazv.moe>
	* SPDX-License-Identifier: AGPL-3.0-or-later
	*/
	#include <libkazv-config.hpp>

	#include <immer/config.hpp> // https://github.com/arximboldi/immer/issues/168

	#include <lager/constant.hpp>
	#include <lager/lenses/optional.hpp>

	#include "matrix-room-list.hpp"
	#include "matrix-room.hpp"

	#include "helper.hpp"

	MatrixRoomList::MatrixRoomList(Kazv::Client client, QObject *parent)
	: QObject(parent)
	, m_client(client)
	, m_roomIds(m_client.roomIds())
	, LAGER_QT(count)(m_roomIds.xform(containerSize))
	, LAGER_QT(roomIds)(m_roomIds.xform(zug::map(
	[](auto container) {
	return zug::into(QStringList{}, strToQt, std::move(container));
	})))
	{
	}

	MatrixRoomList::~MatrixRoomList() = default;

	MatrixRoom *MatrixRoomList::at(int index) const
	{
	qDebug() << "Room at index " << index << " requested";
	return new MatrixRoom(
	m_client.roomByCursor(
	lager::with(m_roomIds, lager::make_constant(index))
	.xform(zug::map([](auto ids, auto i) {
	try {
	return ids.at(i);
	} catch (const std::out_of_range &) {
	return std::string{};
	}
	}))));
	}

	QString MatrixRoomList::roomIdAt(int index) const
	{
	using namespace Kazv::CursorOp;
	return +m_roomIds[index][lager::lenses::or_default].xform(strToQt);
	}

	MatrixRoom *MatrixRoomList::room(QString roomId) const
	{
	return new MatrixRoom(m_client.room(roomId.toStdString()));
	}