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

 /***************************************************************************
     Copyright (C) 2005-2009 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.                          *
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  *   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 <config.h>
 
 #include "filelistingimporter.h"
 #include "filereader.h"
 #include "filereaderbook.h"
 #include "filereadervideo.h"
 #include "../collections/bookcollection.h"
 #include "../collections/videocollection.h"
 #include "../collections/filecatalog.h"
 #include "../entry.h"
 #include "../gui/collectiontypecombo.h"
 #include "../utils/guiproxy.h"
 #include "../progressmanager.h"
 #include "../tellico_debug.h"
 
 #include <KLocalizedString>
 #include <KJobWidgets/KJobWidgets>
 #include <KIO/Job>
 
 #include <QDate>
 #include <QDir>
 #include <QCheckBox>
 #include <QGroupBox>
 #include <QFile>
 #include <QFileInfo>
 #include <QVBoxLayout>
 #include <QApplication>
 
 using Tellico::Import::FileListingImporter;
 
 FileListingImporter::FileListingImporter(const QUrl& url_) : Importer(url_), m_coll(nullptr), m_widget(nullptr),
     m_recursive(nullptr), m_filePreview(nullptr), m_job(nullptr), m_useFilePreview(false), m_cancelled(false) {
 }
 
 bool FileListingImporter::canImport(int type) const {
   return type == Data::Collection::Book ||
       type == Data::Collection::Video ||
       type == Data::Collection::File;
 }
 
 Tellico::Data::CollPtr FileListingImporter::collection() {
   if(m_coll) {
     return m_coll;
   }
 
   ProgressItem& item = ProgressManager::self()->newProgressItem(this, i18n("Scanning files..."), true);
   item.setTotalSteps(100);
   connect(&item, &Tellico::ProgressItem::signalCancelled, this, &FileListingImporter::slotCancel);
   ProgressItem::Done done(this);
 
   // the importer might be running without a gui/widget
   m_job = (m_widget && m_recursive->isChecked())
           ? KIO::listRecursive(url(), KIO::DefaultFlags, false /* include hidden */)
           : KIO::listDir(url(), KIO::DefaultFlags, false /* include hidden */);
   KJobWidgets::setWindow(m_job, GUI::Proxy::widget());
   void (KIO::ListJob::* jobEntries)(KIO::Job*, const KIO::UDSEntryList&) = &KIO::ListJob::entries;
   connect(static_cast<KIO::ListJob*>(m_job.data()), jobEntries, this, &FileListingImporter::slotEntries);
 
   if(!m_job->exec() || m_cancelled) {
     myDebug() << "did not run job:" << m_job->errorString();
     return Data::CollPtr();
   }
 
   int collType = Data::Collection::File;
   if(m_widget) {
     m_useFilePreview = m_filePreview->isChecked();
     collType = m_collCombo->currentType();
   }
 
   const uint stepSize = qMax(1, m_files.count()/100);
   const bool showProgress = options() & ImportProgress;
   item.setTotalSteps(m_files.count());
 
   std::unique_ptr<AbstractFileReader> reader;
   switch(collType) {
     case(Data::Collection::Book):
       m_coll = new Data::BookCollection(true);
       {
         auto ptr = new FileReaderBook(url());
         ptr->setUseFilePreview(m_useFilePreview);
         reader.reset(ptr);
       }
       break;
 
     case(Data::Collection::Video):
       m_coll = new Data::VideoCollection(true);
       {
         auto ptr = new FileReaderVideo(url());
         ptr->setUseFilePreview(m_useFilePreview);
         reader.reset(ptr);
       }
       break;
 
     case(Data::Collection::File):
       m_coll = new Data::FileCatalog(true);
       {
         auto ptr = new FileReaderFile(url());
         ptr->setUseFilePreview(m_useFilePreview);
         reader.reset(ptr);
       }
       break;
   }
   Data::EntryList entries;
   uint j = 0;
   foreach(const KFileItem& item, m_files) {
     if(m_cancelled) {
       break;
     }
 
     Data::EntryPtr entry(new Data::Entry(m_coll));
     if(reader->populate(entry, item)) {
       entries += entry;
     }
 
     if(showProgress && j%stepSize == 0) {
       ProgressManager::self()->setProgress(this, j);
       qApp->processEvents();
     }
     ++j;
   }
   m_coll->addEntries(entries);
 
   if(m_cancelled) {
     m_coll = Data::CollPtr();
     return m_coll;
   }
 
   return m_coll;
 }
 
 QWidget* FileListingImporter::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("File Listing Options"), m_widget);
   QVBoxLayout* vlay = new QVBoxLayout(gbox);
 
   m_recursive = new QCheckBox(i18n("Recursive folder search"), gbox);
   m_recursive->setWhatsThis(i18n("If checked, folders are recursively searched for all files."));
   // by default, make it checked
   m_recursive->setChecked(true);
 
   m_filePreview = new QCheckBox(i18n("Generate file previews"), gbox);
   m_filePreview->setWhatsThis(i18n("If checked, previews of the file contents are generated, which can slow down "
                                    "the folder listing."));
   // by default, make it no previews
   m_filePreview->setChecked(false);
 
   QList<int> collTypes;
   collTypes << Data::Collection::Book << Data::Collection::Video << Data::Collection::File;
   m_collCombo = new GUI::CollectionTypeCombo(gbox);
   m_collCombo->setIncludedTypes(collTypes);
   // default to file catalog
   m_collCombo->setCurrentData(Data::Collection::File);
 
   vlay->addWidget(m_recursive);
   vlay->addWidget(m_filePreview);
   vlay->addWidget(m_collCombo);
 
   l->addWidget(gbox);
   l->addStretch(1);
   return m_widget;
 }
 
 void FileListingImporter::slotEntries(KIO::Job* job_, const KIO::UDSEntryList& list_) {
   if(m_cancelled) {
     job_->kill();
     m_job = nullptr;
     return;
   }
 
   for(KIO::UDSEntryList::ConstIterator it = list_.begin(); it != list_.end(); ++it) {
     KFileItem item(*it, url(), false, true);
     if(item.isFile()) {
       m_files.append(item);
     }
   }
 }
 
 void FileListingImporter::slotCancel() {
   m_cancelled = true;
   if(m_job) {
     m_job->kill();
   }
 }