Differential D166 Diff 451 src/matrix-sticker-pack-list.cpp

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src/matrix-sticker-pack-list.cpp

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	#include <lager/lenses/at.hpp>			#include <lager/lenses/at.hpp>

	#include "matrix-sticker-pack.hpp"			#include "matrix-sticker-pack.hpp"
	#include "matrix-sticker-pack-list.hpp"			#include "matrix-sticker-pack-list.hpp"

	using namespace Kazv;			using namespace Kazv;

	static const std::string accountDataEventType = "im.ponies.user_emotes";			static const std::string accountDataEventType = "im.ponies.user_emotes";
				static const std::string roomStateEventType = "im.ponies.room_emotes";
				static const std::string imagePackRoomsEventType = "im.ponies.emote_rooms";

				using ImagePackRoomMap = immer::map<std::string/* room id /, immer::map<std::string/ */, json>>;

	lager::reader<immer::flex_vector<MatrixStickerPackSource>> getEventsFromClient(Client client)			lager::reader<immer::flex_vector<MatrixStickerPackSource>> getEventsFromClient(Client client)
	{			{
	lager::reader<Event> userEmotes = client.accountData()[accountDataEventType][lager::lenses::or_default];			lager::reader<Event> userEmotes = client.accountData()[accountDataEventType][lager::lenses::or_default];
	return userEmotes.map([](Event e) {			return lager::with(
	return immer::flex_vector<MatrixStickerPackSource>{			userEmotes,
	{MatrixStickerPackSource::AccountData, accountDataEventType, e},			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}]
	});			});
				}
				}

				return res.persistent();
				}).make();
	}			}

	MatrixStickerPackList::MatrixStickerPackList(Client client, QObject *parent)			MatrixStickerPackList::MatrixStickerPackList(Client client, QObject *parent)
	: KazvAbstractListModel(parent)			: KazvAbstractListModel(parent)
	, m_client(client)			, m_client(client)
	, m_events(getEventsFromClient(m_client))			, m_events(getEventsFromClient(m_client))
	{			{
	initCountCursor(m_events.map([](const auto &events) {			initCountCursor(m_events.map([](const auto &events) {
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