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<?php
/**
* request.php - contains Resources_StatisticsController
*
* 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.
*
* @author Moritz Strohm <strohm@data-quest.de>
* @license http://www.gnu.org/licenses/gpl-2.0.html GPL version 2
* @copyright 2018-2019
* @category Stud.IP
* @since 4.5
*/
/**
* Resources_StatisticsController contains actions to display statistics
* related to the room and resource management system.
*/
class Resources_StatisticsController extends AuthenticatedController
{
public function before_filter(&$action, &$args)
{
parent::before_filter($action, $args);
if (Navigation::hasItem('/room_management/statistics')) {
Navigation::activateItem('/room_management/statistics');
}
}
public function room_load_action()
{
if (Navigation::hasItem('/room_management/statistics/room_load')) {
Navigation::activateItem('/room_management/statistics/room_load');
}
$year_begin = new DateTime();
$year_begin->setDate(intval(date('Y')), 1, 1);
$year_begin->setTime(0,0,0);
$year_end = clone $year_begin;
$year_end = $year_end->add(
new DateInterval('P1Y')
)->sub(
new DateInterval('PT1S')
);
$db = DBManager::get();
$sum_stmt = $db->prepare(
"SELECT SUM(rbi.end - rbi.begin) FROM resource_booking_intervals rbi
INNER JOIN resource_bookings rb
ON rbi.booking_id = rb.id
WHERE
rb.booking_type IN ( :types )
AND
rbi.begin < :end AND rbi.end > :begin"
);
$sum_stmt->execute(
[
'types' => [
ResourceBooking::TYPE_NORMAL,
ResourceBooking::TYPE_RESERVATION,
],
'begin' => $year_begin->getTimestamp(),
'end' => $year_end->getTimestamp()
]
);
$total_booked_time = $sum_stmt->fetchColumn();
$sum_stmt->execute(
[
'types' => [ResourceBooking::TYPE_LOCK],
'begin' => $year_begin->getTimestamp(),
'end' => $year_end->getTimestamp()
]
);
$total_locked_time = $sum_stmt->fetchColumn();
$total_seconds = intval($year_end->getTimestamp()) - intval($year_begin->getTimestamp());
if ($total_seconds > 0) {
$this->booked_share = $total_booked_time / $total_seconds;
$this->locked_share = $total_locked_time / $total_seconds;
$this->unused_share = 1 - $this->booked_share - $this->locked_share;
}
}
}
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