diff options
Diffstat (limited to 'src/fetch/bibsonomyfetcher.cpp')
| -rw-r--r-- | src/fetch/bibsonomyfetcher.cpp | 209 |
1 files changed, 209 insertions, 0 deletions
diff --git a/src/fetch/bibsonomyfetcher.cpp b/src/fetch/bibsonomyfetcher.cpp new file mode 100644 index 0000000..faa48a4 --- /dev/null +++ b/src/fetch/bibsonomyfetcher.cpp @@ -0,0 +1,209 @@ +/*************************************************************************** + copyright : (C) 2007 by Robby Stephenson + email : robby@periapsis.org + ***************************************************************************/ + +/*************************************************************************** + * * + * This program is free software; you can redistribute it and/or modify * + * it under the terms of version 2 of the GNU General Public License as * + * published by the Free Software Foundation; * + * * + ***************************************************************************/ + +#include "bibsonomyfetcher.h" +#include "messagehandler.h" +#include "../translators/bibteximporter.h" +#include "../tellico_kernel.h" +#include "../tellico_utils.h" +#include "../collection.h" +#include "../entry.h" +#include "../core/netaccess.h" +#include "../filehandler.h" +#include "../tellico_debug.h" + +#include <klocale.h> + +#include <qlabel.h> +#include <qlayout.h> + +namespace { + // always bibtex + static const char* BIBSONOMY_BASE_URL = "http://bibsonomy.org"; + static const int BIBSONOMY_MAX_RESULTS = 20; +} + +using Tellico::Fetch::BibsonomyFetcher; + +BibsonomyFetcher::BibsonomyFetcher(QObject* parent_) + : Fetcher(parent_), m_job(0), m_started(false) { +} + +BibsonomyFetcher::~BibsonomyFetcher() { +} + +QString BibsonomyFetcher::defaultName() { + return QString::fromLatin1("Bibsonomy"); +} + +QString BibsonomyFetcher::source() const { + return m_name.isEmpty() ? defaultName() : m_name; +} + +bool BibsonomyFetcher::canFetch(int type) const { + return type == Data::Collection::Bibtex; +} + +void BibsonomyFetcher::readConfigHook(const KConfigGroup&) { +} + +void BibsonomyFetcher::search(FetchKey key_, const QString& value_) { + m_key = key_; + m_value = value_.stripWhiteSpace(); + m_started = true; + + if(!canFetch(Kernel::self()->collectionType())) { + message(i18n("%1 does not allow searching for this collection type.").arg(source()), MessageHandler::Warning); + stop(); + return; + } + + m_data.truncate(0); + +// myDebug() << "BibsonomyFetcher::search() - value = " << value_ << endl; + + KURL u = searchURL(m_key, m_value); + if(u.isEmpty()) { + stop(); + return; + } + + m_job = KIO::get(u, false, false); + connect(m_job, SIGNAL(data(KIO::Job*, const QByteArray&)), + SLOT(slotData(KIO::Job*, const QByteArray&))); + connect(m_job, SIGNAL(result(KIO::Job*)), + SLOT(slotComplete(KIO::Job*))); +} + +void BibsonomyFetcher::stop() { + if(!m_started) { + return; + } +// myDebug() << "BibsonomyFetcher::stop()" << endl; + if(m_job) { + m_job->kill(); + m_job = 0; + } + m_data.truncate(0); + m_started = false; + emit signalDone(this); +} + +void BibsonomyFetcher::slotData(KIO::Job*, const QByteArray& data_) { + QDataStream stream(m_data, IO_WriteOnly | IO_Append); + stream.writeRawBytes(data_.data(), data_.size()); +} + +void BibsonomyFetcher::slotComplete(KIO::Job* job_) { +// myDebug() << "BibsonomyFetcher::slotComplete()" << endl; + // since the fetch is done, don't worry about holding the job pointer + m_job = 0; + + if(job_->error()) { + job_->showErrorDialog(Kernel::self()->widget()); + stop(); + return; + } + + if(m_data.isEmpty()) { + myDebug() << "BibsonomyFetcher::slotComplete() - no data" << endl; + stop(); + return; + } + + Import::BibtexImporter imp(QString::fromUtf8(m_data, m_data.size())); + Data::CollPtr coll = imp.collection(); + + if(!coll) { + myDebug() << "BibsonomyFetcher::slotComplete() - no valid result" << endl; + stop(); + return; + } + + Data::EntryVec entries = coll->entries(); + for(Data::EntryVec::Iterator entry = entries.begin(); entry != entries.end(); ++entry) { + if(!m_started) { + // might get aborted + break; + } + QString desc = entry->field(QString::fromLatin1("author")) + + QChar('/') + entry->field(QString::fromLatin1("publisher")); + if(!entry->field(QString::fromLatin1("year")).isEmpty()) { + desc += QChar('/') + entry->field(QString::fromLatin1("year")); + } + + SearchResult* r = new SearchResult(this, entry->title(), desc, entry->field(QString::fromLatin1("isbn"))); + m_entries.insert(r->uid, Data::EntryPtr(entry)); + emit signalResultFound(r); + } + + stop(); // required +} + +Tellico::Data::EntryPtr BibsonomyFetcher::fetchEntry(uint uid_) { + return m_entries[uid_]; +} + +KURL BibsonomyFetcher::searchURL(FetchKey key_, const QString& value_) const { + KURL u(QString::fromLatin1(BIBSONOMY_BASE_URL)); + u.setPath(QString::fromLatin1("/bib/")); + + switch(key_) { + case Person: + u.addPath(QString::fromLatin1("author/%1").arg(value_)); + break; + + case Keyword: + u.addPath(QString::fromLatin1("search/%1").arg(value_)); + break; + + default: + kdWarning() << "BibsonomyFetcher::search() - key not recognized: " << m_key << endl; + return KURL(); + } + + u.addQueryItem(QString::fromLatin1("items"), QString::number(BIBSONOMY_MAX_RESULTS)); + myDebug() << "BibsonomyFetcher::search() - url: " << u.url() << endl; + return u; +} + +void BibsonomyFetcher::updateEntry(Data::EntryPtr entry_) { + QString title = entry_->field(QString::fromLatin1("title")); + if(!title.isEmpty()) { + search(Fetch::Keyword, title); + return; + } + + myDebug() << "BibsonomyFetcher::updateEntry() - insufficient info to search" << endl; + emit signalDone(this); // always need to emit this if not continuing with the search +} + +Tellico::Fetch::ConfigWidget* BibsonomyFetcher::configWidget(QWidget* parent_) const { + return new BibsonomyFetcher::ConfigWidget(parent_, this); +} + +BibsonomyFetcher::ConfigWidget::ConfigWidget(QWidget* parent_, const BibsonomyFetcher*) + : Fetch::ConfigWidget(parent_) { + QVBoxLayout* l = new QVBoxLayout(optionsWidget()); + l->addWidget(new QLabel(i18n("This source has no options."), optionsWidget())); + l->addStretch(); +} + +void BibsonomyFetcher::ConfigWidget::saveConfig(KConfigGroup&) { +} + +QString BibsonomyFetcher::ConfigWidget::preferredName() const { + return BibsonomyFetcher::defaultName(); +} + +#include "bibsonomyfetcher.moc" |