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<?php
/**
Copyright 2011-2014 Nick Korbel
This file is part of Booked SchedulerBooked SchedulereIt is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later versBooked SchedulerduleIt is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
alBooked SchedulercheduleIt. If not, see <http://www.gnu.org/licenses/>.
*/
require_once(ROOT_DIR . 'Domain/Access/AccessoryRepository.php');
require_once(ROOT_DIR . 'Domain/Access/ReservationRepository.php');
class AccessoryAvailabilityRule implements IReservationValidationRule
{
/**
* @var IReservationViewRepository
*/
protected $reservationRepository;
/**
* @var IAccessoryRepository
*/
protected $accessoryRepository;
/**
* @var string
*/
protected $timezone;
public function __construct(IReservationViewRepository $reservationRepository, IAccessoryRepository $accessoryRepository, $timezone)
{
$this->reservationRepository = $reservationRepository;
$this->accessoryRepository = $accessoryRepository;
$this->timezone = $timezone;
}
/**
* @param ReservationSeries $reservationSeries
* @return ReservationRuleResult
*/
public function Validate($reservationSeries)
{
$conflicts = array();
$reservationAccessories = $reservationSeries->Accessories();
if (count($reservationAccessories) == 0)
{
// no accessories to be reserved, no need to proceed
return new ReservationRuleResult();
}
/** @var AccessoryToCheck[] $accessories */
$accessories = array();
foreach ($reservationAccessories as $accessory)
{
$a = $this->accessoryRepository->LoadById($accessory->AccessoryId);
if (!$a->HasUnlimitedQuantity())
{
$accessories[$a->GetId()] = new AccessoryToCheck($a, $accessory);
}
}
if (count($accessories) == 0)
{
// no accessories with limited quantity to be reserved, no need to proceed
return new ReservationRuleResult();
}
$reservations = $reservationSeries->Instances();
/** @var Reservation $reservation */
foreach ($reservations as $reservation)
{
Log::Debug("Checking for accessory conflicts, reference number %s", $reservation->ReferenceNumber());
$accessoryReservations = $this->reservationRepository->GetAccessoriesWithin($reservation->Duration());
$aggregation = new AccessoryAggregation($accessories, $reservation->Duration());
foreach ($accessoryReservations as $accessoryReservation)
{
if ($reservation->ReferenceNumber() != $accessoryReservation->GetReferenceNumber())
{
$aggregation->Add($accessoryReservation);
}
}
foreach ($accessories as $accessory)
{
$alreadyReserved = $aggregation->GetQuantity($accessory->GetId());
$requested = $accessory->QuantityReserved();
if ($requested + $alreadyReserved > $accessory->QuantityAvailable())
{
Log::Debug("Accessory over limit. Reference Number %s, Date %s, Quantity already reserved %s, Quantity requested: %s",
$reservation->ReferenceNumber(),
$reservation->Duration(),
$alreadyReserved,
$requested);
array_push($conflicts, array('name' => $accessory->GetName(), 'date' => $reservation->StartDate()));
}
}
}
$thereAreConflicts = count($conflicts) > 0;
if ($thereAreConflicts)
{
return new ReservationRuleResult(false, $this->GetErrorString($conflicts));
}
return new ReservationRuleResult();
}
/**
* @param array $conflicts
* @return string
*/
protected function GetErrorString($conflicts)
{
$errorString = new StringBuilder();
$errorString->Append(Resources::GetInstance()->GetString('ConflictingAccessoryDates'));
$errorString->AppendLine();
$format = Resources::GetInstance()->GetDateFormat(ResourceKeys::DATE_GENERAL);
foreach($conflicts as $conflict)
{
$errorString->Append(sprintf('(%s) %s', $conflict['date']->ToTimezone($this->timezone)->Format($format), $conflict['name']));
$errorString->AppendLine();
}
return $errorString->ToString();
}
}
class AccessoryAggregation
{
private $quantities = array();
/**
* @var \DateRange
*/
private $duration;
/**
* @param array|AccessoryToCheck[] $accessories
* @param DateRange $duration
*/
public function __construct($accessories, $duration)
{
foreach ($accessories as $a)
{
$this->quantities[$a->GetId()] = 0;
}
$this->duration = $duration;
}
/**
* @param AccessoryReservation $accessoryReservation
* @return void
*/
public function Add(AccessoryReservation $accessoryReservation)
{
if ($accessoryReservation->GetStartDate()->Equals($this->duration->GetEnd()) || $accessoryReservation->GetEndDate()->Equals($this->duration->GetBegin()))
{
return;
}
$accessoryId = $accessoryReservation->GetAccessoryId();
if (array_key_exists($accessoryId, $this->quantities))
{
$this->quantities[$accessoryId] += $accessoryReservation->QuantityReserved();
}
}
/**
* @param int $accessoryId
* @return int
*/
public function GetQuantity($accessoryId)
{
return $this->quantities[$accessoryId];
}
}
class AccessoryToCheck
{
/**
* @var \Accessory
*/
private $accessory;
/**
* @var \ReservationAccessory
*/
private $reservationAccessory;
/**
* @var int
*/
private $quantityReserved;
public function __construct(Accessory $accessory, ReservationAccessory $reservationAccessory)
{
$this->accessory = $accessory;
$this->reservationAccessory = $reservationAccessory;
$this->quantityReserved = $this->reservationAccessory->QuantityReserved;
}
/**
* @return int
*/
public function GetId()
{
return $this->accessory->GetId();
}
/**
* @return string
*/
public function GetName()
{
return $this->accessory->GetName();
}
/**
* @return int
*/
public function QuantityReserved()
{
return $this->quantityReserved;
}
/**
* @return int
*/
public function QuantityAvailable()
{
return $this->accessory->GetQuantityAvailable();
}
}
?>