113 lines
3.4 KiB
PHP
113 lines
3.4 KiB
PHP
<?php
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/**
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; under version 2
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* of the License (non-upgradable).
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* Copyright (c) 2018 (original work) Open Assessment Technologies SA;
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*
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*/
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namespace oat\taoDelivery\model\execution\Counter;
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use oat\oatbox\service\ConfigurableService;
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use oat\taoDelivery\models\classes\execution\event\DeliveryExecutionState;
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use oat\taoDelivery\models\classes\execution\event\DeliveryExecutionCreated;
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/**
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* Class DeliveryExecutionCounterService
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* @author Aleh Hutnikau, <hutnikau@1pt.com>
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*/
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class DeliveryExecutionCounterService extends ConfigurableService implements DeliveryExecutionCounterInterface
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{
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const OPTION_PERSISTENCE = 'persistence';
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//concatenation in constants allowed since php 5.6
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const KEY_PREFIX = self::class . '_';
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/**
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* Get number of delivery executions of given status.
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* @param $statusUri
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* @return integer
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*/
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public function count($statusUri)
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{
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$persistence = $this->getPersistence();
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$key = $this->getStatusKey($statusUri);
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return intval($persistence->get($key));
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}
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/**
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* @param DeliveryExecutionState $event
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*/
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public function executionStateChanged(DeliveryExecutionState $event)
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{
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$fromStatusKey = $this->getStatusKey($event->getPreviousState());
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$toStatusKey = $this->getStatusKey($event->getState());
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$persistence = $this->getPersistence();
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if ($persistence->exists($fromStatusKey) && $persistence->get($fromStatusKey) > 0) {
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$persistence->decr($fromStatusKey);
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}
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if (!$persistence->exists($toStatusKey)) {
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$persistence->set($toStatusKey, 1);
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} else {
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$persistence->incr($toStatusKey);
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}
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}
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/**
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* @param DeliveryExecutionCreated $event
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* @throws \common_exception_NotFound
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*/
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public function executionCreated(DeliveryExecutionCreated $event)
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{
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$persistence = $this->getPersistence();
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$state = $event->getDeliveryExecution()->getState()->getUri();
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$toStatusKey = $this->getStatusKey($state);
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if (!$persistence->exists($toStatusKey)) {
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$persistence->set($toStatusKey, 1);
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} else {
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$persistence->incr($toStatusKey);
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}
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}
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/**
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* @return \common_persistence_KvDriver
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*/
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protected function getPersistence()
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{
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return $this->getServiceLocator()
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->get(\common_persistence_Manager::class)->getPersistenceById($this->getOption(self::OPTION_PERSISTENCE));
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}
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/**
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* @param string $statusUri
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* @return string
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*/
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protected function getStatusKey($statusUri)
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{
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return self::KEY_PREFIX . $statusUri;
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}
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/**
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* @param $statusUri
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*/
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public function refresh($statusUri)
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{
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//this implementation do not support refreshing
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}
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}
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