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<?php
/* Copyright (C) 2017 Icinga Development Team <info@icinga.com> */

namespace Icinga\Module\Toplevelview\Monitoring;

use Icinga\Module\Monitoring\Backend\Ido\Query\HostgroupQuery as IcingaHostgroupQuery;

/**
 * Patched version of HostgroupQuery
 */
class HostgroupQuery extends IcingaHostgroupQuery
{
    use IgnoredNotificationPeriods;
    use Options;

    public function __construct($ds, $columns = null, $options = null)
    {
        $this->setOptions($options);
        parent::__construct($ds, $columns);
    }

    public function init()
    {
        if (($periods = $this->getOption('ignored_notification_periods')) !== null) {
            $this->ignoreNotificationPeriods($periods);
        }

        $patchedColumnMap = array(
            'servicestatus'             => array(
                'service_notifications_enabled' => 'ss.notifications_enabled',
                'service_is_flapping'           => 'ss.is_flapping',
                'service_state'                 => '
                    CASE WHEN ss.has_been_checked = 0 OR ss.has_been_checked IS NULL
                        THEN 99
                        ELSE CASE WHEN ss.state_type = 1
                            THEN ss.current_state
                            ELSE ss.last_hard_state
                        END
                    END',
                'service_handled'               => '
                    CASE WHEN (ss.problem_has_been_acknowledged + COALESCE(hs.current_state, 0)) > 0
                        THEN 1
                        ELSE 0
                    END',
                'service_handled_wo_host'       => '
                    CASE WHEN ss.problem_has_been_acknowledged > 0
                        THEN 1 
                        ELSE 0 
                    END',
                'service_in_downtime'           => '
                    CASE WHEN (ss.scheduled_downtime_depth = 0)
                        THEN 0
                        ELSE 1
                    END',
            ),
            'hoststatus'                => array(
                'host_notifications_enabled' => 'hs.notifications_enabled',
                'host_is_flapping'           => 'hs.is_flapping',
                'host_state'                 => '
                    CASE WHEN hs.has_been_checked = 0 OR hs.has_been_checked IS NULL
                        THEN 99
                        ELSE CASE WHEN hs.state_type = 1
                            THEN hs.current_state
                            ELSE hs.last_hard_state 
                        END 
                    END',
                'host_handled'               => '
                    CASE WHEN hs.problem_has_been_acknowledged > 0
                        THEN 1
                        ELSE 0 
                    END',
                'host_in_downtime'           => '
                    CASE WHEN (hs.scheduled_downtime_depth = 0)
                        THEN 0
                        ELSE 1
                    END',
            ),
            'servicenotificationperiod' => array(
                'service_notification_period'    => 'ntpo.name1',
                'service_in_notification_period' => '
                    CASE WHEN ntpo.object_id IS NULL
                        THEN 1 
                        ELSE CASE WHEN ntpr.timeperiod_id IS NOT NULL
                            THEN 1
                            ELSE 0 
                        END 
                    END',
            ),
        );

        foreach ($patchedColumnMap as $table => $columns) {
            foreach ($columns as $k => $v) {
                $this->columnMap[$table][$k] = $v;
            }
        }

        parent::init();
    }

    protected function joinServicenotificationperiod()
    {
        $extraJoinCond = '';

        if ($this->hasIgnoredNotifications()) {
            $extraJoinCond .= $this->db->quoteInto(
                ' AND ntpo.name1 NOT IN (?)',
                $this->getIgnoredNotificationPeriods()
            );
        }

        $this->select->joinLeft(
            ['ntp' => $this->prefix . 'timeperiods'],
            'ntp.timeperiod_object_id = s.notification_timeperiod_object_id'
            . ' AND ntp.config_type = 1 AND ntp.instance_id = s.instance_id',
            []
        );
        $this->select->joinLeft(
            ['ntpo' => $this->prefix . 'objects'],
            'ntpo.object_id = s.notification_timeperiod_object_id' . $extraJoinCond,
            []
        );
        $this->select->joinLeft(
            ['ntpr' => $this->prefix . 'timeperiod_timeranges'],
            "ntpr.timeperiod_id = ntp.timeperiod_id
                AND ntpr.day = DAYOFWEEK(CURRENT_DATE()) - 1
                AND ntpr.start_sec <= UNIX_TIMESTAMP() - UNIX_TIMESTAMP(CURRENT_DATE())
                AND ntpr.end_sec >= UNIX_TIMESTAMP() - UNIX_TIMESTAMP(CURRENT_DATE())
            ",
            []
        );
    }
}