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Viewing changes to nepomuk/kioslaves/common/timelinetools.cpp

  • Committer: Bazaar Package Importer
  • Author(s): Jonathan Riddell
  • Date: 2010-11-24 11:07:10 UTC
  • mto: (0.8.7 upstream)
  • mto: This revision was merged to the branch mainline in revision 129.
  • Revision ID: james.westby@ubuntu.com-20101124110710-6dbsyw0yh21qvn82
Tags: upstream-4.5.80
Import upstream version 4.5.80

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nepomuk/kioslaves/common/timelinetools.cpp
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   Copyright (C) 2010 Sebastian Trueg <trueg@kde.org>
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   This library is free software; you can redistribute it and/or
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   modify it under the terms of the GNU Library General Public
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   License version 2 as published by the Free Software Foundation.
 
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   modify it under the terms of the GNU Lesser General Public
 
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   License as published by the Free Software Foundation; either
 
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   version 2.1 of the License, or (at your option) version 3, or any
 
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   later version accepted by the membership of KDE e.V. (or its
 
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   successor approved by the membership of KDE e.V.), which shall
 
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   act as a proxy defined in Section 6 of version 3 of the license.
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   This library is distributed in the hope that it will be useful,
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   but WITHOUT ANY WARRANTY; without even the implied warranty of
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   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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   Library General Public License for more details.
 
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   Lesser General Public License for more details.
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   You should have received a copy of the GNU Library General Public License
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   along with this library; see the file COPYING.LIB.  If not, write to
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   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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   Boston, MA 02110-1301, USA.
 
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   You should have received a copy of the GNU Lesser General Public
 
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   License along with this library.  If not, see <http://www.gnu.org/licenses/>.
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 */
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#include "timelinetools.h"
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#include <Soprano/Node>
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#include <Soprano/Vocabulary/XMLSchema>
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#include "nie.h"
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#include "nfo.h"
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#include "nie.h"
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#include "nuao.h"
 
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#include <Nepomuk/Vocabulary/NFO>
 
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#include <Nepomuk/Vocabulary/NIE>
 
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#include <Nepomuk/Vocabulary/NUAO>
 
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#include <Nepomuk/Query/FileQuery>
 
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#include <Nepomuk/Query/AndTerm>
 
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#include <Nepomuk/Query/OrTerm>
 
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#include <Nepomuk/Query/ComparisonTerm>
 
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#include <Nepomuk/Query/LiteralTerm>
 
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#include <Nepomuk/Query/StandardQuery>
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#include <KUrl>
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#include <KCalendarSystem>
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}
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KUrl Nepomuk::buildTimelineQueryUrl( const QDate& date )
 
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Nepomuk::Query::Query Nepomuk::buildTimelineQuery( const QDate& date )
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{
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    static const char* DATEFORMATSTART("yyyy-MM-ddT00:00:00.000Z");
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    static const char* DATEFORMATEND("yyyy-MM-ddT23:59:59.999Z");
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    QString dateFrom = date.toString(DATEFORMATSTART);
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    QString dateTo = date.toString(DATEFORMATEND);
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    QString query = QString("select distinct ?r where { "
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                            "?r a %1 . "
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                            "{ ?r %2 ?date . } "
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                            "UNION "
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                            "{ ?r %3 ?date . } "
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                            "UNION "
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                            "{ ?r %4 ?date . } "
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                            "FILTER(?date > '%5'^^%7 && ?date < '%6'^^%7) . "
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                            "OPTIONAL { ?r2 a %8 . FILTER(?r=?r2) . } . FILTER(!BOUND(?r2)) . "
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                            "}")
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                    .arg( Soprano::Node::resourceToN3(Nepomuk::Vocabulary::NFO::FileDataObject()),
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                          Soprano::Node::resourceToN3(Nepomuk::Vocabulary::NIE::lastModified()),
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                          Soprano::Node::resourceToN3(Nepomuk::Vocabulary::NUAO::lastUsage()),
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                          Soprano::Node::resourceToN3(Nepomuk::Vocabulary::NIE::contentCreated()),
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                          dateFrom,
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                          dateTo,
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                          Soprano::Node::resourceToN3(Soprano::Vocabulary::XMLSchema::dateTime()),
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                          Soprano::Node::resourceToN3(Nepomuk::Vocabulary::NFO::Folder()) );
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    KUrl url("nepomuksearch:/");
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    url.addQueryItem( "sparql", query );
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    return url;
 
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    Nepomuk::Query::FileQuery query = Nepomuk::Query::dateRangeQuery( date, date );
 
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    query.setFileMode( Query::FileQuery::QueryFiles );
 
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    return query;
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}