engelsystem/includes/view/ShiftCalendarLane.php

76 lines
1.5 KiB
PHP

<?php
namespace Engelsystem;
use Engelsystem\Models\Shifts\Shift;
use Exception;
/**
* Represents a single lane in a shifts calendar.
*/
class ShiftCalendarLane
{
/** @var Shift[] */
private $shifts = [];
/**
* ShiftCalendarLane constructor.
*
* @param string $header
*/
public function __construct(private $header)
{
}
/**
* Adds a shift to the lane, but only if it fits.
* Returns true on success.
*
* @param Shift $shift The shift to add
* @throws Exception if the shift doesn't fit into the lane.
*/
public function addShift(Shift $shift)
{
if ($this->shiftFits($shift)) {
$this->shifts[] = $shift;
return;
}
throw new Exception('Unable to add shift to shift calendar lane.');
}
/**
* Returns true if given shift fits into this lane.
*
* @param Shift $newShift
* @return bool
* @internal param array $shift The shift to fit into this lane
*/
public function shiftFits(Shift $newShift)
{
foreach ($this->shifts as $laneShift) {
if (!($newShift->start >= $laneShift->end || $newShift->end <= $laneShift->start)) {
return false;
}
}
return true;
}
/**
* @return string
*/
public function getHeader()
{
return $this->header;
}
/**
* @return Shift[]
*/
public function getShifts()
{
return $this->shifts;
}
}