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<?php
use Engelsystem\Database\Db;
/**
* Returns the number of angels currently working.
*/
function stats_currently_working()
{
$result = Db::selectOne("
SELECT SUM(
(SELECT COUNT(*) FROM `ShiftEntry` WHERE `ShiftEntry`.`SID`=`Shifts`.`SID` AND `freeloaded`=0)
) as `count`
FROM `Shifts`
WHERE (`end` >= ? AND `start` <= ?)", [
time(),
time()
]);
if (empty($result['count'])) {
return '-';
}
return $result['count'];
}
/**
* Return the number of hours still to work.
*/
function stats_hours_to_work()
{
$result = Db::selectOne("
SELECT ROUND(SUM(
(SELECT SUM(`count`) FROM `NeededAngelTypes` WHERE `NeededAngelTypes`.`shift_id`=`Shifts`.`SID`)
* (`Shifts`.`end` - `Shifts`.`start`)/3600
)) as `count`
FROM `Shifts`
WHERE `end` >= ?", [
time()
]);
if (empty($result['count'])) {
return '-';
}
return $result['count'];
}
/**
* Returns the number of needed angels in the next 3 hours
*/
function stats_angels_needed_three_hours()
{
$now = time();
$in3hours = $now + 3 * 60 * 60;
$result = Db::selectOne("
SELECT SUM(
(SELECT SUM(`count`) FROM `NeededAngelTypes` WHERE `NeededAngelTypes`.`shift_id`=`Shifts`.`SID`)
- (SELECT COUNT(*) FROM `ShiftEntry` WHERE `ShiftEntry`.`SID`=`Shifts`.`SID` AND `freeloaded`=0)
) as `count`
FROM `Shifts`
WHERE ((`end` > ? AND `end` < ?) OR (`start` > ? AND `start` < ?))", [
$now,
$in3hours,
$now,
$in3hours
]);
if (empty($result['count'])) {
return '-';
}
return $result['count'];
}
/**
* Returns the number of needed angels for nightshifts (between 2 and 8)
*/
function stats_angels_needed_for_nightshifts()
{
$night_start = parse_date('Y-m-d H:i', date('Y-m-d', time() + 12 * 60 * 60) . ' 02:00');
$night_end = $night_start + 6 * 60 * 60;
$result = Db::selectOne("
SELECT SUM(
(SELECT SUM(`count`) FROM `NeededAngelTypes` WHERE `NeededAngelTypes`.`shift_id`=`Shifts`.`SID`)
- (SELECT COUNT(*) FROM `ShiftEntry` WHERE `ShiftEntry`.`SID`=`Shifts`.`SID` AND `freeloaded`=0)
) as `count`
FROM `Shifts`
WHERE ((`end` > ? AND `end` < ?) OR (`start` > ? AND `start` < ?))", [
$night_start,
$night_end,
$night_start,
$night_end
]);
if (empty($result['count'])) {
return '-';
}
return $result['count'];
}
?>
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