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-rw-r--r--app/Model/Timetable.php358
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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 a set of events by using the intersection between the timetable and the time tracking data
+ *
+ * @access public
+ * @param integer $user_id
+ * @param array $events Time tracking data
+ * @param string $start ISO8601 date
+ * @param string $end ISO8601 date
+ * @return array
+ */
+ public function calculateEventsIntersect($user_id, array $events, $start, $end)
+ {
+ $start_dt = new DateTime($start);
+ $start_dt->setTime(0, 0);
+
+ $end_dt = new DateTime($end);
+ $end_dt->setTime(23, 59);
+
+ $timetable = $this->calculate($user_id, $start_dt, $end_dt);
+
+ // The user has no timetable
+ if (empty($this->week)) {
+ return $events;
+ }
+
+ $results = array();
+
+ foreach ($events as $event) {
+ $results = array_merge($results, $this->calculateEventIntersect($event, $timetable));
+ }
+
+ return $results;
+ }
+
+ /**
+ * Get a serie of events based on the timetable and the provided event
+ *
+ * @access public
+ * @param integer $user_id
+ * @param array $events Time tracking data
+ * @param string $start ISO8601 date
+ * @param string $end ISO8601 date
+ * @return array
+ */
+ public function calculateEventIntersect(array $event, array $timetable)
+ {
+ $events = array();
+
+ foreach ($timetable as $slot) {
+
+ $start_ts = $slot[0]->getTimestamp();
+ $end_ts = $slot[1]->getTimestamp();
+
+ if ($start_ts > $event['end']) {
+ break;
+ }
+
+ if ($event['start'] <= $start_ts) {
+ $event['start'] = $start_ts;
+ }
+
+ if ($event['start'] >= $start_ts && $event['start'] <= $end_ts) {
+
+ if ($event['end'] >= $end_ts) {
+ $events[] = array_merge($event, array('end' => $end_ts));
+ }
+ else {
+ $events[] = $event;
+ break;
+ }
+ }
+ }
+
+ return $events;
+ }
+
+ /**
+ * Calculate effective worked hours by taking into consideration the timetable
+ *
+ * @access public
+ * @param integer $user_id
+ * @param \DateTime $start
+ * @param \DateTime $end
+ * @return float
+ */
+ public function calculateEffectiveDuration($user_id, DateTime $start, DateTime $end)
+ {
+ $end_timetable = clone($end);
+ $end_timetable->setTime(23, 59);
+
+ $timetable = $this->calculate($user_id, $start, $end_timetable);
+ $found_start = false;
+ $hours = 0;
+
+ // The user has no timetable
+ if (empty($this->week)) {
+ return $this->dateParser->getHours($start, $end);
+ }
+
+ foreach ($timetable as $slot) {
+
+ $isStartSlot = $this->dateParser->withinDateRange($start, $slot[0], $slot[1]);
+ $isEndSlot = $this->dateParser->withinDateRange($end, $slot[0], $slot[1]);
+
+ // Start and end are within the same time slot
+ if ($isStartSlot && $isEndSlot) {
+ return $this->dateParser->getHours($start, $end);
+ }
+
+ // We found the start slot
+ if (! $found_start && $isStartSlot) {
+ $found_start = true;
+ $hours = $this->dateParser->getHours($start, $slot[1]);
+ }
+ else if ($found_start) {
+
+ // We found the end slot
+ if ($isEndSlot) {
+ $hours += $this->dateParser->getHours($slot[0], $end);
+ break;
+ }
+ else {
+
+ // Sum hours of the intermediate time slots
+ $hours += $this->dateParser->getHours($slot[0], $slot[1]);
+ }
+ }
+ }
+
+ // The start date was not found in regular hours so we get the nearest time slot
+ if (! empty($timetable) && ! $found_start) {
+ $slot = $this->findClosestTimeSlot($start, $timetable);
+
+ if ($start < $slot[0]) {
+ return $this->calculateEffectiveDuration($user_id, $slot[0], $end);
+ }
+ }
+
+ return $hours;
+ }
+
+ /**
+ * Find the nearest time slot
+ *
+ * @access public
+ * @param DateTime $date
+ * @param array $timetable
+ * @return array
+ */
+ public function findClosestTimeSlot(DateTime $date, array $timetable)
+ {
+ $values = array();
+
+ foreach ($timetable as $slot) {
+ $t1 = abs($slot[0]->getTimestamp() - $date->getTimestamp());
+ $t2 = abs($slot[1]->getTimestamp() - $date->getTimestamp());
+
+ $values[] = min($t1, $t2);
+ }
+
+ asort($values);
+ return $timetable[key($values)];
+ }
+
+ /**
+ * 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();
+ }
+}