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// SPDX-FileCopyrightText: 2021 Nheko Contributors
// SPDX-FileCopyrightText: 2022 Nheko Contributors
//
// SPDX-License-Identifier: GPL-3.0-or-later
#include "RoomDirectoryModel.h"
#include <algorithm>
#include "Cache.h"
#include "ChatPage.h"
#include "Logging.h"
#include "MatrixClient.h"
RoomDirectoryModel::RoomDirectoryModel(QObject *parent, const std::string &server)
: QAbstractListModel(parent)
, server_(server)
{
connect(ChatPage::instance(), &ChatPage::newRoom, this, [this](const QString &roomid) {
auto roomid_ = roomid.toStdString();
int i = 0;
for (const auto &room : publicRoomsData_) {
if (room.room_id == roomid_) {
emit dataChanged(index(i), index(i), {Roles::CanJoin});
break;
}
i++;
}
});
connect(this,
&RoomDirectoryModel::fetchedRoomsBatch,
this,
&RoomDirectoryModel::displayRooms,
Qt::QueuedConnection);
}
QHash<int, QByteArray>
RoomDirectoryModel::roleNames() const
{
return {
{Roles::Name, "name"},
{Roles::Id, "roomid"},
{Roles::AvatarUrl, "avatarUrl"},
{Roles::Topic, "topic"},
{Roles::MemberCount, "numMembers"},
{Roles::Previewable, "canPreview"},
{Roles::CanJoin, "canJoin"},
};
}
void
RoomDirectoryModel::resetDisplayedData()
{
beginResetModel();
prevBatch_ = "";
nextBatch_ = "";
canFetchMore_ = true;
publicRoomsData_.clear();
endResetModel();
}
void
RoomDirectoryModel::setMatrixServer(const QString &s)
{
server_ = s.toStdString();
nhlog::ui()->debug("Received matrix server: {}", server_);
resetDisplayedData();
}
void
RoomDirectoryModel::setSearchTerm(const QString &f)
{
userSearchString_ = f.toStdString();
nhlog::ui()->debug("Received user query: {}", userSearchString_);
resetDisplayedData();
}
bool
RoomDirectoryModel::canJoinRoom(const QString &room) const
{
return !room.isEmpty() && cache::getRoomInfo({room.toStdString()}).empty();
}
std::vector<std::string>
RoomDirectoryModel::getViasForRoom(const std::vector<std::string> &aliases)
{
std::vector<std::string> vias;
vias.reserve(aliases.size());
std::transform(aliases.begin(), aliases.end(), std::back_inserter(vias), [](const auto &alias) {
return alias.substr(alias.find(":") + 1);
});
// When joining a room hosted on a homeserver other than the one the
// account has been registered on, the room's server has to be explicitly
// specified in the "server_name=..." URL parameter of the Matrix Join Room
// request. For more details consult the specs:
// https://matrix.org/docs/spec/client_server/r0.6.1#post-matrix-client-r0-join-roomidoralias
if (!server_.empty()) {
vias.push_back(server_);
}
return vias;
}
void
RoomDirectoryModel::joinRoom(const int &index)
{
if (index >= 0 && static_cast<size_t>(index) < publicRoomsData_.size()) {
const auto &chunk = publicRoomsData_[index];
nhlog::ui()->debug("'Joining room {}", chunk.room_id);
ChatPage::instance()->joinRoomVia(chunk.room_id, getViasForRoom(chunk.aliases));
}
}
QVariant
RoomDirectoryModel::data(const QModelIndex &index, int role) const
{
if (hasIndex(index.row(), index.column(), index.parent())) {
const auto &room_chunk = publicRoomsData_[index.row()];
switch (role) {
case Roles::Name:
return QString::fromStdString(room_chunk.name);
case Roles::Id:
return QString::fromStdString(room_chunk.room_id);
case Roles::AvatarUrl:
return QString::fromStdString(room_chunk.avatar_url);
case Roles::Topic:
return QString::fromStdString(room_chunk.topic);
case Roles::MemberCount:
return QVariant::fromValue(room_chunk.num_joined_members);
case Roles::Previewable:
return QVariant::fromValue(room_chunk.world_readable);
case Roles::CanJoin:
return canJoinRoom(QString::fromStdString(room_chunk.room_id));
}
}
return {};
}
void
RoomDirectoryModel::fetchMore(const QModelIndex &)
{
if (!canFetchMore_)
return;
nhlog::net()->debug("Fetching more rooms from mtxclient...");
mtx::requests::PublicRooms req;
req.limit = limit_;
req.since = prevBatch_;
req.filter.generic_search_term = userSearchString_;
// req.third_party_instance_id = third_party_instance_id;
auto requested_server = server_;
reachedEndOfPagination_ = false;
emit reachedEndOfPaginationChanged();
loadingMoreRooms_ = true;
emit loadingMoreRoomsChanged();
http::client()->post_public_rooms(
req,
[requested_server, this, req](const mtx::responses::PublicRooms &res,
mtx::http::RequestErr err) {
loadingMoreRooms_ = false;
emit loadingMoreRoomsChanged();
if (err) {
nhlog::net()->error("Failed to retrieve rooms from mtxclient - {} - {} - {}",
mtx::errors::to_string(err->matrix_error.errcode),
err->matrix_error.error,
err->parse_error);
} else if (req.filter.generic_search_term == this->userSearchString_ &&
req.since == this->prevBatch_ && requested_server == this->server_) {
nhlog::net()->debug("signalling chunk to GUI thread");
emit fetchedRoomsBatch(res.chunk, res.next_batch);
}
},
requested_server);
}
void
RoomDirectoryModel::displayRooms(std::vector<mtx::responses::PublicRoomsChunk> fetched_rooms,
const std::string &next_batch)
{
nhlog::net()->debug("Prev batch: {} | Next batch: {}", prevBatch_, next_batch);
if (fetched_rooms.empty()) {
nhlog::net()->error("mtxclient helper thread yielded empty chunk!");
return;
}
beginInsertRows(QModelIndex(),
static_cast<int>(publicRoomsData_.size()),
static_cast<int>(publicRoomsData_.size() + fetched_rooms.size()) - 1);
this->publicRoomsData_.insert(
this->publicRoomsData_.end(), fetched_rooms.begin(), fetched_rooms.end());
endInsertRows();
if (next_batch.empty()) {
canFetchMore_ = false;
reachedEndOfPagination_ = true;
emit reachedEndOfPaginationChanged();
}
prevBatch_ = next_batch;
nhlog::ui()->debug("Finished loading rooms");
}
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