musickgquerytoplistrequest.cpp

Go to the documentation of this file.

#include "musickgquerytoplistrequest.h"

static constexpr const char *KG_TOPLIST_INFO_URL = "b1QrYWx1TlJMWm00UHRMSUF3Ymcram5IWVRML1lXazdIR2I2RXVmZ0VzTUV3MjNEZG1nS003T2ZJV0c2Njl0NA==";

MusicKGQueryToplistRequest::MusicKGQueryToplistRequest(QObject *parent)
    : MusicQueryToplistRequest(parent)
{
    m_pageSize = TTK_PAGE_SIZE_30;
    m_queryServer = QUERY_KG_INTERFACE;
}

void MusicKGQueryToplistRequest::startToPage(int offset)
{
    TTK_INFO_STREAM(metaObject()->className() << __FUNCTION__ << offset);

    deleteAll();
    m_totalSize = 0;
    m_pageIndex = offset;

    QNetworkRequest request;
    request.setUrl(TTK::Algorithm::mdII(KG_TOPLIST_URL, false).arg(m_queryValue).arg(offset).arg(m_pageSize));
    ReqKGInterface::makeRequestRawHeader(&request);

    m_reply = m_manager.get(request);
    connect(m_reply, SIGNAL(finished()), SLOT(downloadFinished()));
    QtNetworkErrorConnect(m_reply, this, replyError, TTK_SLOT);
}

void MusicKGQueryToplistRequest::startToSearch(const QString &value)
{
    MusicQueryToplistRequest::startToSearch(value.isEmpty() ? "6666" : value);
}

void MusicKGQueryToplistRequest::startToQueryResult(TTK::MusicSongInformation *info, int bitrate)
{
    TTK_INFO_STREAM(metaObject()->className() << __FUNCTION__ << info->m_songId << bitrate << "kbps");

    MusicPageQueryRequest::downloadFinished();
    TTK_NETWORK_QUERY_CHECK();
    ReqKGInterface::parseFromSongProperty(info, bitrate);
    TTK_NETWORK_QUERY_CHECK();

    fetchUrlPathSize(&info->m_songProps, info->m_duration);
    MusicQueryToplistRequest::startToQueryResult(info, bitrate);
}

void MusicKGQueryToplistRequest::downloadFinished()
{
    TTK_INFO_STREAM(metaObject()->className() << __FUNCTION__);

    MusicPageQueryRequest::downloadFinished();
    if(m_reply && m_reply->error() == QNetworkReply::NoError)
    {
        QJsonParseError ok;
        const QJsonDocument &json = QJsonDocument::fromJson(m_reply->readAll(), &ok);
        if(QJsonParseError::NoError == ok.error)
        {
            QVariantMap value = json.toVariant().toMap();
            if(value.contains("data"))
            {
                value = value["data"].toMap();
                m_totalSize = value["total"].toInt();

                queryToplistInfo(value);

                const QVariantList &datas = value["info"].toList();
                for(const QVariant &var : qAsConst(datas))
                {
                    if(var.isNull())
                    {
                        continue;
                    }

                    value = var.toMap();
                    TTK_NETWORK_QUERY_CHECK();

                    TTK::MusicSongInformation info;
                    info.m_songId = value["hash"].toString();
                    info.m_songName = TTK::String::charactersReplace(value["songname"].toString());

                    const QVariantList &artistsArray = value["authors"].toList();
                    for(const QVariant &artistValue : qAsConst(artistsArray))
                    {
                        if(artistValue.isNull())
                        {
                            continue;
                        }

                        const QVariantMap &artistObject = artistValue.toMap();
                        if(info.m_artistId.isEmpty())
                        {
                            info.m_artistId = artistObject["author_id"].toString();
                        }

                        info.m_artistName = ReqKGInterface::makeSongArtist(info.m_artistName, artistObject["author_name"].toString());
                    }

                    info.m_albumId = value["album_id"].toString();
                    info.m_albumName = TTK::String::charactersReplace(value["remark"].toString());

                    info.m_coverUrl = value["album_sizable_cover"].toString().replace("{size}", "500");
                    info.m_lrcUrl = TTK::Algorithm::mdII(KG_SONG_LRC_URL, false).arg(info.m_songName, info.m_songId).arg(value["duration"].toInt() * TTK_DN_S2MS);
                    info.m_duration = TTKTime::formatDuration(value["duration"].toInt() * TTK_DN_S2MS);
                    info.m_year = TTKDateTime::format(value["addtime"].toULongLong(), TTK_YEAR_FORMAT);
                    info.m_trackNumber = "0";

                    TTK_NETWORK_QUERY_CHECK();
                    ReqKGInterface::parseFromSongProperty(&info, value);
                    TTK_NETWORK_QUERY_CHECK();

                    Q_EMIT createResultItem({info, serverToString()});
                    m_items << info;
                }
            }
        }
    }

    Q_EMIT downloadDataChanged({});
    deleteAll();
}

void MusicKGQueryToplistRequest::queryToplistInfo(const QVariantMap &input)
{
    Q_UNUSED(input);

    QNetworkRequest request;
    request.setUrl(TTK::Algorithm::mdII(KG_TOPLIST_INFO_URL, false));
    ReqKGInterface::makeRequestRawHeader(&request);

    const QByteArray &bytes = TTK::syncNetworkQueryForGet(&request);
    if(bytes.isEmpty())
    {
        return;
    }

    QJsonParseError ok;
    const QJsonDocument &json = QJsonDocument::fromJson(bytes, &ok);
    if(QJsonParseError::NoError == ok.error)
    {
        QVariantMap value = json.toVariant().toMap();
        if(value.contains("data"))
        {
            value = value["data"].toMap();
            MusicResultDataItem item;
            item.m_time = TTKDateTime::format(value["timestamp"].toLongLong() * TTK_DN_S2MS, TTK_DATE_FORMAT);

            const QVariantList &datas = value["info"].toList();
            for(const QVariant &var : qAsConst(datas))
            {
                if(var.isNull())
                {
                    continue;
                }

                value = var.toMap();
                TTK_NETWORK_QUERY_CHECK();

                if(m_queryValue != value["rankid"])
                {
                    continue;
                }

                item.m_name = value["rankname"].toString();
                item.m_count = value["play_times"].toString();
                item.m_description = value["intro"].toString();
                item.m_coverUrl = value["banner7url"].toString().replace("{size}", "500");
                Q_EMIT createToplistItem(item);
                return;
            }
        }
    }
}