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<?php namespace VojtaSvoboda\Reservations\Classes; |
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use Carbon\Carbon; |
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use Config; |
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use Illuminate\Database\Eloquent\Collection; |
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/** |
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* Class DatesResolver transform reservations to booked time slots, grouped by date. |
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* |
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* @package VojtaSvoboda\Reservations\Classes |
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*/ |
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class DatesResolver |
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{ |
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/** |
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* Returns reserved time slots from non cancelled reservations. |
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* |
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* If you have reservations at 13.10.2016 at 11:00 and also at 13:00, both with 2 hours lenght, this method return |
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* all booked slots - from 09:15 to 14:45 (when you have 15 minutes slot lenght). |
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* |
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* ------------ 11:00 ------------- 13:00 -------------- |
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* |
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* Because nearest reservation can be done at 09:00 with 2 hours lenghts and next reservation at 15:00. |
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* |
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* @param Collection $reservations |
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* |
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* @return array |
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*/ |
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public function getDatesFromReservations(Collection $reservations) |
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{ |
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// init |
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$interval = $this->getInterval(); |
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$length = $this->getLength(); |
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$dateFormat = $this->getDateFormat(); |
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$timeFormat = $this->getTimeFormat(); |
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// sort reservations by date and count time slots before reservation and during the reservation |
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$dates = []; |
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foreach ($reservations as $reservation) { |
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// init dates |
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$startDate = $this->getStartDate($reservation, $length, $interval); |
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$endDate = $this->getEndDate($reservation, $length); |
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$reservationDay = $reservation->date->format($dateFormat); |
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// save each booked interval |
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while ($startDate < $endDate) { |
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$time = $startDate->format($timeFormat); |
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$dates[$reservationDay][$time] = $time; |
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$startDate->modify('+' . $interval . ' minutes'); |
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} |
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} |
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return $dates; |
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} |
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/** |
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* Get booked interval around the given date. |
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* |
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* @param Carbon $date |
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* |
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* @return array |
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*/ |
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public function getBoundaryDates(Carbon $date) |
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{ |
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// reservation length |
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$length = $this->getLength(); |
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// boundary dates before and after |
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$startDatetime = $this->getBoundaryBefore($date, $length); |
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$endDatetime = $this->getBoundaryAfter($date, $length); |
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return [$startDatetime, $endDatetime]; |
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} |
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/** |
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* Get boundary date before reservation date. |
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* |
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* @param Carbon $date |
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* @param string $length |
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* |
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* @return mixed |
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*/ |
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private function getBoundaryBefore(Carbon $date, $length) |
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{ |
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$startDatetime = clone $date; |
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$startDatetime->modify('-' . $length); |
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$startDatetime->modify('+1 second'); |
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return $startDatetime; |
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} |
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/** |
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* Get boundary date after reservation date. |
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* |
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* @param Carbon $date |
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* @param string $length |
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* |
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* @return mixed |
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*/ |
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private function getBoundaryAfter(Carbon $date, $length) |
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{ |
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$endDatetime = clone $date; |
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$endDatetime->modify('+' . $length); |
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$endDatetime->modify('-1 second'); |
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return $endDatetime; |
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} |
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/** |
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* Get reservation imaginary start date. |
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* |
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* @param $reservation |
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* @param $length |
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* @param $interval |
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* |
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* @return mixed |
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*/ |
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protected function getStartDate($reservation, $length, $interval) |
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{ |
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$startDate = $reservation->date; |
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$startDate->modify('-' . $length); |
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$startDate->modify('+' . $interval . ' minutes'); |
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return $startDate; |
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} |
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/** |
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* Get reservation imaginary end date. |
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* |
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* @param $reservation |
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* @param $length |
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* |
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* @return mixed |
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*/ |
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protected function getEndDate($reservation, $length) |
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{ |
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$endDate = clone $reservation->date; |
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$endDate->modify('+' . $length); |
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return $endDate; |
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} |
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protected function getDateFormat() |
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{ |
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return Config::get('vojtasvoboda.reservations::config.formats.date', 'd/m/Y'); |
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} |
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protected function getTimeFormat() |
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{ |
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return Config::get('vojtasvoboda.reservations::config.formats.time', 'H:i'); |
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} |
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protected function getInterval() |
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{ |
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return Config::get('vojtasvoboda.reservations::config.reservation.interval', 15); |
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} |
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protected function getLength() |
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{ |
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return Config::get('vojtasvoboda.reservations::config.reservation.length', '2 hours'); |
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} |
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} |
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vojtasvoboda /
oc-reservations-plugin
