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<?php
namespace Model;
use DateTime;
use DateInterval;
/**
* Timetable
*
* @package model
* @author Frederic Guillot
*/
class Timetable extends Base
{
/**
* User time slots
*
* @access private
* @var array
*/
private $day;
private $week;
private $overtime;
private $timeoff;
/**
* Get the timetable for a user for a given date range
*
* @access public
* @param integer $user_id
* @param \DateTime $start
* @param \DateTime $end
* @return array
*/
public function calculate($user_id, DateTime $start, DateTime $end)
{
$timetable = array();
$this->day = $this->timetableDay->getByUser($user_id);
$this->week = $this->timetableWeek->getByUser($user_id);
$this->overtime = $this->timetableExtra->getByUserAndDate($user_id, $start->format('Y-m-d'), $end->format('Y-m-d'));
$this->timeoff = $this->timetableOff->getByUserAndDate($user_id, $start->format('Y-m-d'), $end->format('Y-m-d'));
for ($today = clone($start); $today <= $end; $today->add(new DateInterval('P1D'))) {
$week_day = $today->format('N');
$timetable = array_merge($timetable, $this->getWeekSlots($today, $week_day));
$timetable = array_merge($timetable, $this->getOvertimeSlots($today, $week_day));
}
return $timetable;
}
/**
* Return worked time slots for the given day
*
* @access public
* @param \DateTime $today
* @param string $week_day
* @return array
*/
public function getWeekSlots(DateTime $today, $week_day)
{
$slots = array();
$dayoff = $this->getDayOff($today);
if (! empty($dayoff) && $dayoff['all_day'] == 1) {
return array();
}
foreach ($this->week as $slot) {
if ($week_day == $slot['day']) {
$slots = array_merge($slots, $this->getDayWorkSlots($slot, $dayoff, $today));
}
}
return $slots;
}
/**
* Get the overtime time slots for the given day
*
* @access public
* @param \DateTime $today
* @param string $week_day
* @return array
*/
public function getOvertimeSlots(DateTime $today, $week_day)
{
$slots = array();
foreach ($this->overtime as $slot) {
$day = new DateTime($slot['date']);
if ($week_day == $day->format('N')) {
if ($slot['all_day'] == 1) {
$slots = array_merge($slots, $this->getDaySlots($today));
}
else {
$slots[] = $this->getTimeSlot($slot, $day);
}
}
}
return $slots;
}
/**
* Get worked time slots and remove time off
*
* @access public
* @param array $slot
* @param array $dayoff
* @param \DateTime $today
* @return array
*/
public function getDayWorkSlots(array $slot, array $dayoff, DateTime $today)
{
$slots = array();
if (! empty($dayoff) && $dayoff['start'] < $slot['end']) {
if ($dayoff['start'] > $slot['start']) {
$slots[] = $this->getTimeSlot(array('end' => $dayoff['start']) + $slot, $today);
}
if ($dayoff['end'] < $slot['end']) {
$slots[] = $this->getTimeSlot(array('start' => $dayoff['end']) + $slot, $today);
}
}
else {
$slots[] = $this->getTimeSlot($slot, $today);
}
return $slots;
}
/**
* Get regular day work time slots
*
* @access public
* @param \DateTime $today
* @return array
*/
public function getDaySlots(DateTime $today)
{
$slots = array();
foreach ($this->day as $day) {
$slots[] = $this->getTimeSlot($day, $today);
}
return $slots;
}
/**
* Get the start and end time slot for a given day
*
* @access public
* @param array $slot
* @param \DateTime $today
* @return array
*/
public function getTimeSlot(array $slot, DateTime $today)
{
$date = $today->format('Y-m-d');
return array(
new DateTime($date.' '.$slot['start']),
new DateTime($date.' '.$slot['end']),
);
}
/**
* Return day off time slot
*
* @access public
* @param \DateTime $today
* @return array
*/
public function getDayOff(DateTime $today)
{
foreach ($this->timeoff as $day) {
if ($day['date'] === $today->format('Y-m-d')) {
return $day;
}
}
return array();
}
}
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