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/*
* Copyright (C) 2013 Intel Corporation.
*
* Author: Jussi Kukkonen <jussi.kukkonen@intel.com>
*
* This file is part of Rygel.
*
* Rygel is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Rygel 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
using Rygel;
using Sqlite;
public class Rygel.LMS.ImageYears : Rygel.LMS.CategoryContainer {
private static const string SQL_ALL =
"SELECT DISTINCT(strftime('%Y', images.date, 'unixepoch')) as year " +
"FROM images " +
"LIMIT ? OFFSET ?;";
private static const string SQL_COUNT =
"SELECT COUNT(DISTINCT(strftime('%Y', images.date, 'unixepoch'))) " +
"FROM images;";
/* actually returns multiple times the same result (because no DISTINCT) */
/* Casting the year is a workaround so we can keep using
* Database.find_object() without making the argument a variant or something like it*/
private static const string SQL_FIND_OBJECT =
"SELECT strftime('%Y', images.date, 'unixepoch') as year " +
"FROM images " +
"WHERE year = CAST(? AS TEXT)";
protected override MediaObject? object_from_statement (Statement statement) {
return new LMS.ImageYear (this, statement.column_text (0), this.lms_db);
}
public ImageYears (MediaContainer parent, LMS.Database lms_db) {
base ("years",
parent,
_("Years"),
lms_db,
ImageYears.SQL_ALL,
ImageYears.SQL_FIND_OBJECT,
ImageYears.SQL_COUNT);
}
}
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