musicsongrecommendrequest.cpp

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#include "musicsongrecommendrequest.h"

namespace ReqLQInterface
{
    static constexpr const char *LQ_BASE_URL = "VzJWczlXM2hMeCtTZzhLRFJvZWxUUTVmZUVBLzlMWmo=";
    static constexpr const char *LQ_RECOMMEND_URL = "NDhiOGZ6dUJWNTBvN3R5OHNOQmkyQVVwOXdWbDNBOG14MmVXWVJxWlVXRkxuNUxxdzdYTEpUYVZRNVE9";

    static void parseFromSongProperty(TTK::MusicSongInformation *info, const QVariantMap &key);
    static void parseFromSongProperty(TTK::MusicSongInformation *info, const QString &key, int length, int bitrate);

}

void ReqLQInterface::parseFromSongProperty(TTK::MusicSongInformation *info, const QVariantMap &key)
{
    const int length = key["length"].toInt();

    parseFromSongProperty(info, key["lqUrl"].toString(), length, TTK_BN_128);
    parseFromSongProperty(info, key["hqUrl"].toString(), length, TTK_BN_192);
    parseFromSongProperty(info, key["sqUrl"].toString(), length, TTK_BN_320);
    parseFromSongProperty(info, key["apeUrl"].toString(), length, TTK_BN_750);
    parseFromSongProperty(info, key["flacUrl"].toString(), length, TTK_BN_1000);

    if(info->m_songProps.isEmpty())
    {
        parseFromSongProperty(info, key["copyUrl"].toString(), length, TTK_BN_320);
    }
}

void ReqLQInterface::parseFromSongProperty(TTK::MusicSongInformation *info, const QString &key, int length, int bitrate)
{
    if(key.isEmpty())
    {
        return;
    }

    TTK::MusicSongProperty prop;
    prop.m_url = TTK::Algorithm::mdII(ReqLQInterface::LQ_BASE_URL, false) + key;
    prop.m_size = TTK::Number::sizeByteToLabel(length * 1000 * bitrate / 8);
    prop.m_bitrate = bitrate;

    switch(bitrate)
    {
        case TTK_BN_128: prop.m_format = MP3_FILE_SUFFIX; break;
        case TTK_BN_192: prop.m_format = MP3_FILE_SUFFIX; break;
        case TTK_BN_320: prop.m_format = MP3_FILE_SUFFIX; break;
        case TTK_BN_750: prop.m_format = APE_FILE_SUFFIX; break;
        case TTK_BN_1000: prop.m_format = FLAC_FILE_SUFFIX; break;
        default: prop.m_format = MP3_FILE_SUFFIX; break;
    }
    info->m_songProps.append(prop);
}



MusicSongRecommendRequest::MusicSongRecommendRequest(QObject *parent)
    : MusicAbstractQueryRequest(parent)
{
    m_totalSize = SONG_PAGE_SIZE * 2;
}

void MusicSongRecommendRequest::startToSearch(const QString &value)
{
    TTK_INFO_STREAM(className() << __FUNCTION__ << value);

    deleteAll();

    QNetworkRequest request;
    request.setUrl(TTK::Algorithm::mdII(ReqLQInterface::LQ_RECOMMEND_URL, false));
    TTK::setSslConfiguration(&request);
    TTK::makeContentTypeHeader(&request);

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

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

    MusicPageQueryRequest::downLoadFinished();
    for(const TTK::MusicSongInformation &var : qAsConst(m_items))
    {
        if(info->m_songId == var.m_songId)
        {
            info->m_songProps = var.m_songProps;
            break;
        }
    }
}

void MusicSongRecommendRequest::downLoadFinished()
{
    TTK_INFO_STREAM(className() << __FUNCTION__);

    MusicAbstractQueryRequest::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)
        {
            const QVariantList &datas = json.toVariant().toList();
            for(const QVariant &var : qAsConst(datas))
            {
                if(var.isNull())
                {
                    continue;
                }

                if(m_items.count() >= m_totalSize)
                {
                    break;
                }

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

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

                const QVariantList &artistsArray = value["artistInfo"].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["id"].toString();
                    }

                    const QString &artistName = TTK::String::charactersReplace(artistObject["name"].toString());
                    info.m_artistName = info.m_artistName.isEmpty() ? artistName : (info.m_artistName + ";" + artistName);
                }

                const QVariantMap &albumObject = value["albumInfo"].toMap();
                info.m_albumId = albumObject["id"].toString();
                info.m_albumName = TTK::String::charactersReplace(albumObject["name"].toString());

                info.m_coverUrl = value["picUrl"].toString();
                info.m_lrcUrl = TTK::Algorithm::mdII(ReqLQInterface::LQ_BASE_URL, false) + value["lrcUrl"].toString();
                info.m_duration = value["songLength"].toString();
                info.m_year = value["year"].toString();
                info.m_trackNumber = value["trackNum"].toString();

                TTK_NETWORK_QUERY_CHECK();
                ReqLQInterface::parseFromSongProperty(&info, value);
                fetchUrlPathSize(&info.m_songProps, info.m_duration);
                TTK_NETWORK_QUERY_CHECK();

                if(info.m_songProps.isEmpty())
                {
                    continue;
                }

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

    Q_EMIT downLoadDataChanged({});
    deleteAll();
}