File indexing completed on 2024-05-12 05:10:10

 /***************************************************************************
     Copyright (C) 2023 Robby Stephenson <robby@periapsis.org>
  ***************************************************************************/
 
 /***************************************************************************
  *                                                                         *
  *   This program is free software; you can redistribute it and/or         *
  *   modify it under the terms of the GNU General Public License as        *
  *   published by the Free Software Foundation; either version 2 of        *
  *   the License or (at your option) version 3 or any later version        *
  *   accepted by the membership of KDE e.V. (or its successor approved     *
  *   by the membership of KDE e.V.), which shall act as a proxy            *
  *   defined in Section 14 of version 3 of the license.                    *
  *                                                                         *
  *   This program is distributed in the hope that it will be useful,       *
  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  *   GNU General Public License for more details.                          *
  *                                                                         *
  *   You should have received a copy of the GNU General Public License     *
  *   along with this program.  If not, see <http://www.gnu.org/licenses/>. *
  *                                                                         *
  ***************************************************************************/
 
 #include "discogsimporter.h"
 #include "../collections/musiccollection.h"
 #include "../images/imagefactory.h"
 #include "../core/filehandler.h"
 #include "../utils/mapvalue.h"
 #include "../tellico_debug.h"
 
 #include <KConfigGroup>
 #include <KLocalizedString>
 
 #include <QLineEdit>
 #include <QVBoxLayout>
 #include <QFormLayout>
 #include <QGroupBox>
 #include <QUrlQuery>
 #include <QJsonDocument>
 #include <QJsonObject>
 #include <QFile>
 
 namespace {
   static const char* DISCOGS_API_URL = "https://api.discogs.com";
 }
 
 using Tellico::Import::DiscogsImporter;
 
 DiscogsImporter::DiscogsImporter() : Import::Importer(), m_widget(nullptr), m_userEdit(nullptr), m_tokenEdit(nullptr) {
 }
 
 void DiscogsImporter::setConfig(KSharedConfig::Ptr config_) {
   m_config = config_;
 }
 
 bool DiscogsImporter::canImport(int type) const {
   return type == Data::Collection::Album;
 }
 
 Tellico::Data::CollPtr DiscogsImporter::collection() {
   if(m_coll) {
     return m_coll;
   }
 
   if(!m_config) {
     m_config = KSharedConfig::openConfig();
   }
 
   KConfigGroup cg(m_config, QStringLiteral("ImportOptions - Discogs"));
   m_user = cg.readEntry("User ID");
   m_token = cg.readEntry("API Key"); // same config name as used in discogsfetcher
 
   if(m_widget) {
     m_user = m_userEdit->text().trimmed();
     m_token = m_tokenEdit->text().trimmed();
   }
 
   if(m_user.isEmpty()) {
     setStatusMessage(i18n("A valid user ID must be entered."));
     return Data::CollPtr();
   }
 
   m_coll = new Data::MusicCollection(true);
   loadPage(1);
   return m_coll;
 }
 
 void DiscogsImporter::loadPage(int page_) {
   QUrl u(QString::fromLatin1(DISCOGS_API_URL));
   u.setPath(QStringLiteral("/users/%1/collection/folders/0/releases").arg(m_user));
   QUrlQuery q;
   q.addQueryItem(QLatin1String("page"), QString::number(page_));
   if(!m_token.isEmpty()) {
     q.addQueryItem(QStringLiteral("token"), m_token);
   }
   u.setQuery(q);
 //  myDebug() << u;
   const QByteArray data = FileHandler::readDataFile(u, true /* quiet */);
 
 #if 0
   myWarning() << "Remove output debug from discogsimporter.cpp";
   QFile f(QLatin1String("/tmp/discogs.json"));
   if(f.open(QIODevice::WriteOnly)) {
     QDataStream t(&f);
     t << data;
   }
   f.close();
 #endif
 
   QJsonDocument doc = QJsonDocument::fromJson(data);
   const QVariantMap resultMap = doc.object().toVariantMap();
   if(resultMap.contains(QStringLiteral("message")) && mapValue(resultMap, "id").isEmpty()) {
     const auto& msg = mapValue(resultMap, "message");
     myLog() << "DiscogsFetcher -" << msg;
   }
   const int totalPages = mapValue(resultMap, "pagination", "pages").toInt();
 //  myDebug() << "total pages:" << totalPages << "current:" << page_;
   foreach(const QVariant& release, resultMap.value(QLatin1String("releases")).toList()) {
     Data::EntryPtr entry(new Data::Entry(m_coll));
     const auto releaseMap = release.toMap();
     populateEntry(entry, releaseMap.value(QLatin1String("basic_information")).toMap());
 
     const QString rating = mapValue(releaseMap, "rating");
     if(!rating.isEmpty() && rating != QLatin1String("0")) {
       entry->setField(QStringLiteral("rating"), rating);
     }
     entry->setField(QStringLiteral("comments"), mapValue(releaseMap, "notes", "value"));
     m_coll->addEntries(entry);
   }
 
   if(totalPages > page_) {
     loadPage(page_+1);
   }
 }
 
 void DiscogsImporter::populateEntry(Data::EntryPtr entry_, const QVariantMap& releaseMap_) {
   entry_->setField(QStringLiteral("title"), mapValue(releaseMap_, "title"));
   const QString year = mapValue(releaseMap_, "year");
   if(year != QLatin1String("0")) {
     entry_->setField(QStringLiteral("year"), year);
   }
   // the styles value seems more like genres than the actual genres value
   entry_->setField(QStringLiteral("genre"),  mapValue(releaseMap_, "styles"));
 
   QStringList labels;
   foreach(const QVariant& label, releaseMap_.value(QLatin1String("labels")).toList()) {
     labels << mapValue(label.toMap(), "name");
   }
   entry_->setField(QStringLiteral("label"), labels.join(FieldFormat::delimiterString()));
 
   QStringList artists;
   foreach(const QVariant& artist, releaseMap_.value(QLatin1String("artists")).toList()) {
     artists << mapValue(artist.toMap(), "name");
   }
   artists.removeDuplicates(); // sometimes the same value is repeated
   entry_->setField(QStringLiteral("artist"), artists.join(FieldFormat::delimiterString()));
 
   foreach(const QVariant& format, releaseMap_.value(QLatin1String("formats")).toList()) {
     const QString formatName = mapValue(format.toMap(), "name");
     if(formatName == QLatin1String("CD")) {
       entry_->setField(QStringLiteral("medium"), i18n("Compact Disc"));
     } else if(formatName == QLatin1String("Vinyl")) {
       entry_->setField(QStringLiteral("medium"), i18n("Vinyl"));
     } else if(formatName == QLatin1String("Cassette")) {
       entry_->setField(QStringLiteral("medium"), i18n("Cassette"));
     } else if(formatName == QLatin1String("DVD")) {
       // sometimes a CD and DVD both are included. If we're using the CD, ignore the DVD
       entry_->setField(QStringLiteral("medium"), i18n("DVD"));
     }
   }
 
   QString coverUrl = mapValue(releaseMap_, "cover_image");
   if(coverUrl.isEmpty()) {
     coverUrl = mapValue(releaseMap_, "thumb");
   }
   if(!coverUrl.isEmpty()) {
     const QString id = ImageFactory::addImage(QUrl::fromUserInput(coverUrl), true /* quiet */);
     // empty image ID is ok
     entry_->setField(QStringLiteral("cover"), id);
   }
 }
 
 QWidget* DiscogsImporter::widget(QWidget* parent_) {
   if(m_widget) {
     return m_widget;
   }
   m_widget = new QWidget(parent_);
   QVBoxLayout* l = new QVBoxLayout(m_widget);
 
   QGroupBox* gbox = new QGroupBox(i18n("Discogs Options"), m_widget);
   QFormLayout* lay = new QFormLayout(gbox);
 
   m_userEdit = new QLineEdit(gbox);
   m_userEdit->setText(m_user);
   m_tokenEdit = new QLineEdit(gbox);
   m_tokenEdit->setText(m_token);
 
   lay->addRow(i18n("User ID:"), m_userEdit);
   lay->addRow(i18n("User token:"), m_tokenEdit);
 
   l->addWidget(gbox);
   l->addStretch(1);
 
   return m_widget;
 }