Add user timetables

1 files changed, 194 insertions, 0 deletions

diff --git a/app/Model/Timetable.php b/app/Model/Timetable.php
new file mode 100644
index 00000000..eb37cefd
--- /dev/null
+++ b/app/Model/Timetable.php
@@ -0,0 +1,194 @@
+<?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();
+    }
+}