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<?php
/* Icinga Web 2 | (c) 2016 Icinga Development Team | GPLv2+ */
namespace Icinga\Web\Announcement;
use DateTime;
use Icinga\Data\ConfigObject;
use Icinga\Data\Filter\Filter;
use Icinga\Data\Filter\FilterAnd;
use Icinga\Data\SimpleQuery;
use Icinga\Repository\IniRepository;
use Icinga\Web\Announcement;
/**
* A collection of announcements stored in an INI file
*/
class AnnouncementIniRepository extends IniRepository
{
protected $queryColumns = array('announcement' => array('id', 'author', 'message', 'hash', 'start', 'end'));
protected $triggers = array('announcement');
protected $configs = array('announcement' => array(
'name' => 'announcements',
'keyColumn' => 'id'
));
protected $conversionRules = array('announcement' => array(
'start' => 'timestamp',
'end' => 'timestamp'
));
/**
* Get a DateTime's timestamp
*
* @param DateTime $datetime
*
* @return int|null
*/
protected function persistTimestamp(DateTime $datetime)
{
return $datetime === null ? null : $datetime->getTimestamp();
}
/**
* Before-insert trigger (per row)
*
* @param ConfigObject $new The original data to insert
*
* @return ConfigObject The eventually modified data to insert
*/
protected function onInsertAnnouncement(ConfigObject $new)
{
if (! isset($new->id)) {
$new->id = uniqid();
}
if (! isset($new->hash)) {
$announcement = new Announcement($new->toArray());
$new->hash = $announcement->getHash();
}
return $new;
}
/**
* Before-update trigger (per row)
*
* @param ConfigObject $old The original data as currently stored
* @param ConfigObject $new The original data to update
*
* @return ConfigObject The eventually modified data to update
*/
protected function onUpdateAnnouncement(ConfigObject $old, ConfigObject $new)
{
if ($new->message !== $old->message) {
$announcement = new Announcement($new->toArray());
$new->hash = $announcement->getHash();
}
return $new;
}
/**
* Get the ETag of the announcements.ini file
*
* @return string
*/
public function getEtag()
{
$file = $this->getDataSource('announcement')->getConfigFile();
if (@is_readable($file)) {
$mtime = filemtime($file);
$size = filesize($file);
return hash('crc32', $mtime . $size);
}
return null;
}
/**
* Get the query for all active announcements
*
* @return SimpleQuery
*/
public function findActive()
{
$now = new DateTime();
$query = $this
->select(array('hash', 'message', 'start'))
->setFilter(new FilterAnd(array(
Filter::expression('start', '<=', $now),
Filter::expression('end', '>=', $now)
)))
->order('start');
return $query;
}
/**
* Get the timestamp of the next active announcement
*
* @return int|null
*/
public function findNextActive()
{
$now = new DateTime();
$query = $this
->select(array('start', 'end'))
->setFilter(Filter::matchAny(array(
Filter::expression('start', '>', $now), Filter::expression('end', '>', $now)
)));
$refresh = null;
foreach ($query as $row) {
$min = min($row->start, $row->end);
if ($refresh === null) {
$refresh = $min;
} else {
$refresh = min($refresh, $min);
}
}
return $refresh;
}
}
|
