File indexing completed on 2024-06-02 05:09:30

 /***************************************************************************
  *   SPDX-License-Identifier: GPL-2.0-or-later
  *                                                                         *
  *   SPDX-FileCopyrightText: 2004-2019 Thomas Fischer <fischer@unix-ag.uni-kl.de>
  *   SPDX-FileCopyrightText: 2013 Yngve I. Levinsen <yngve.inntjore.levinsen@cern.ch>
  *                                                                         *
  *   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) any later version.                                   *
  *                                                                         *
  *   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 <https://www.gnu.org/licenses/>. *
  ***************************************************************************/
 
 #include "onlinesearchcernds.h"
 
 #include <QUrlQuery>
 
 #include <KLocalizedString>
 
 #include "logging_networking.h"
 
 OnlineSearchCERNDS::OnlineSearchCERNDS(QObject *parent)
         : OnlineSearchSimpleBibTeXDownload(parent)
 {
     /// nothing
 }
 
 QString OnlineSearchCERNDS::label() const
 {
     return i18n("CERN Document Server");
 }
 
 QUrl OnlineSearchCERNDS::homepage() const
 {
     return QUrl(QStringLiteral("https://cds.cern.ch/"));
 }
 
 QUrl OnlineSearchCERNDS::buildQueryUrl(const QMap<QueryKey, QString> &query, int numResults)
 {
     /// Example for a search URL:
     /// https://cds.cern.ch/search?action_search=Search&sf=&so=d&rm=&sc=0&of=hx&f=&rg=10&ln=en&as=1&m1=a&p1=stone&f1=title&op1=a&m2=a&p2=smith&f2=author&op2=a&m3=a&p3=&f3=
 
     /// of=hx  asks for BibTeX results
     /// rg=10  asks for 10 results
     /// c=CERN+Document+Server or c=Articles+%26+Preprints   to limit scope
     /// Search search argument (X={1,2,3,...}):
     ///   pX   search text
     ///   mX   a=all words; o=any; e=exact phrase; p=partial phrase; r=regular expression
     ///   opX  a=AND; o=OR; n=AND NOT
     ///   fX   ""=any field; title; author; reportnumber; year; fulltext
 
     /// Build URL
     QUrl url = QUrl(QStringLiteral("https://cds.cern.ch/search?ln=en&action_search=Search&c=Articles+%26+Preprints&as=1&sf=&so=d&rm=&sc=0&of=hx&f="));
     QUrlQuery q(url);
     /// Set number of expected results
     q.addQueryItem(QStringLiteral("rg"), QString::number(numResults));
 
     /// Number search arguments
     int argumentCount = 0;
 
     /// add words from "free text" field
     const QStringList freeTextWords = splitRespectingQuotationMarks(query[QueryKey::FreeText]);
     for (const QString &word : freeTextWords) {
         ++argumentCount;
         q.addQueryItem(QString(QStringLiteral("p%1")).arg(argumentCount), word);
         q.addQueryItem(QString(QStringLiteral("m%1")).arg(argumentCount), QStringLiteral("a"));
         q.addQueryItem(QString(QStringLiteral("op%1")).arg(argumentCount), QStringLiteral("a"));
         q.addQueryItem(QString(QStringLiteral("f%1")).arg(argumentCount), QString());
     }
 
     /// add words from "author" field
     const QStringList authorWords = splitRespectingQuotationMarks(query[QueryKey::Author]);
     for (const QString &word : authorWords) {
         ++argumentCount;
         q.addQueryItem(QString(QStringLiteral("p%1")).arg(argumentCount), word);
         q.addQueryItem(QString(QStringLiteral("m%1")).arg(argumentCount), QStringLiteral("a"));
         q.addQueryItem(QString(QStringLiteral("op%1")).arg(argumentCount), QStringLiteral("a"));
         q.addQueryItem(QString(QStringLiteral("f%1")).arg(argumentCount), QStringLiteral("author"));
     }
 
     /// add words from "title" field
     const QStringList titleWords = splitRespectingQuotationMarks(query[QueryKey::Title]);
     for (const QString &word : titleWords) {
         ++argumentCount;
         q.addQueryItem(QString(QStringLiteral("p%1")).arg(argumentCount), word);
         q.addQueryItem(QString(QStringLiteral("m%1")).arg(argumentCount), QStringLiteral("a"));
         q.addQueryItem(QString(QStringLiteral("op%1")).arg(argumentCount), QStringLiteral("a"));
         q.addQueryItem(QString(QStringLiteral("f%1")).arg(argumentCount), QStringLiteral("title"));
     }
 
     /// add words from "title" field
     const QString year = query[QueryKey::Year];
     if (!year.isEmpty()) {
         ++argumentCount;
         q.addQueryItem(QString(QStringLiteral("p%1")).arg(argumentCount), year);
         q.addQueryItem(QString(QStringLiteral("m%1")).arg(argumentCount), QStringLiteral("a"));
         q.addQueryItem(QString(QStringLiteral("op%1")).arg(argumentCount), QStringLiteral("a"));
         q.addQueryItem(QString(QStringLiteral("f%1")).arg(argumentCount), QStringLiteral("year"));
     }
 
     url.setQuery(q);
     return url;
 }