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matrix-sticker-pack-list.cpp
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matrix-sticker-pack-list.cpp
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/*
* This file is part of kazv.
* SPDX-FileCopyrightText: 2024 tusooa <tusooa@kazv.moe>
* SPDX-License-Identifier: AGPL-3.0-or-later
*/
#include <kazv-defs.hpp>
#include <lager/lenses/optional.hpp>
#include <lager/lenses/at.hpp>
#include "matrix-sticker-pack.hpp"
#include "matrix-sticker-pack-list.hpp"
#include "matrix-sticker-pack-list-p.hpp"
using namespace Kazv;
using ImagePackRoomMap = immer::map<std::string/* room id */, immer::map<std::string/* */, json>>;
lager::reader<immer::flex_vector<MatrixStickerPackSource>> getEventsFromClient(Client client)
{
lager::reader<Event> userEmotes = client.accountData()[accountDataEventType][lager::lenses::or_default];
return lager::with(
userEmotes,
client.accountData()[imagePackRoomsEventType][lager::lenses::or_default]
// The following jsonAtOr performs the validation for us:
// if the content does not conform to the string-to-string-to-anything map, return an empty one
.xform(eventContent | jsonAtOr("rooms", ImagePackRoomMap{})),
client.rooms()).map([](
const Event &userEmotes,
const ImagePackRoomMap &emoteRooms,
const immer::map<std::string, RoomModel> &rooms) {
// This transformation function takes O(|room sticker packs specified in account data|).
auto res = immer::flex_vector<MatrixStickerPackSource>{
{MatrixStickerPackSource::AccountData, accountDataEventType, userEmotes, "", ""}
}.transient();
for (const auto &[roomId, stateKeyMap] : emoteRooms) {
for (const auto &[stateKey, _] : stateKeyMap) {
res.push_back(MatrixStickerPackSource{
MatrixStickerPackSource::RoomState,
roomStateEventType,
rooms[roomId].stateEvents[KeyOfState{roomStateEventType, stateKey}],
roomId,
stateKey,
});
}
}
return res.persistent();
}).make();
}
lager::reader<immer::flex_vector<MatrixStickerPackSource>> getEventsFromRoom(Room room)
{
return lager::with(room.roomId(), room.stateEvents())
.map([](const auto &roomId, const auto &state) {
return intoImmer(
immer::flex_vector<MatrixStickerPackSource>{},
zug::filter([](const auto &pair) {
return pair.first.type == roomStateEventType;
})
| zug::map([roomId](const auto &pair) {
return MatrixStickerPackSource{
MatrixStickerPackSource::RoomState,
roomStateEventType,
pair.second,
roomId,
pair.first.stateKey,
};
}),
state
);
});
}
MatrixStickerPackList::MatrixStickerPackList(Client client, QObject *parent)
: KazvAbstractListModel(parent)
, m_events(getEventsFromClient(client))
{
initCountCursor(m_events.map([](const auto &events) {
return static_cast<int>(events.size());
}));
}
MatrixStickerPackList::MatrixStickerPackList(Room room, QObject *parent)
: KazvAbstractListModel(parent)
, m_events(getEventsFromRoom(room))
{
initCountCursor(m_events.map([](const auto &events) {
return static_cast<int>(events.size());
}));
}
MatrixStickerPackList::~MatrixStickerPackList() = default;
MatrixStickerPack *MatrixStickerPackList::at(int index) const
{
return new MatrixStickerPack(m_events.map([index](const auto &events) {
if (events.size() > std::size_t(index)) {
return events[index];
} else {
return MatrixStickerPackSource{
MatrixStickerPackSource::AccountData,
accountDataEventType,
Event(),
"",
"",
};
}
}));
}

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