Current File : //www/varak.net/nextcloud.varak.net/apps_old/apps/cospend/lib/Activity/ActivityManager.php
<?php
/**
* @copyright Copyright (c) 2019 Julien Veyssier <julien-nc@posteo.net>
*
* @author Julien Veyssier <julien-nc@posteo.net>
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
namespace OCA\Cospend\Activity;
use Exception;
use InvalidArgumentException;
use OCA\Cospend\Db\Bill;
use OCA\Cospend\Db\BillMapper;
use OCA\Cospend\Db\Project;
use OCA\Cospend\Db\ProjectMapper;
use OCA\Cospend\Service\UserService;
use OCP\Activity\IEvent;
use OCP\Activity\IManager;
use OCP\AppFramework\Db\DoesNotExistException;
use OCP\AppFramework\Db\Entity;
use OCP\AppFramework\Db\MultipleObjectsReturnedException;
use OCP\IL10N;
use Psr\Log\LoggerInterface;
use function get_class;
class ActivityManager {
public const COSPEND_OBJECT_BILL = 'cospend_bill';
public const COSPEND_OBJECT_PROJECT = 'cospend_project';
public const SUBJECT_BILL_CREATE = 'bill_create';
public const SUBJECT_BILL_UPDATE = 'bill_update';
public const SUBJECT_BILL_DELETE = 'bill_delete';
public const SUBJECT_PROJECT_SHARE = 'project_share';
public const SUBJECT_PROJECT_UNSHARE = 'project_unshare';
public function __construct(
private IManager $manager,
private UserService $userService,
private ProjectMapper $projectMapper,
private BillMapper $billMapper,
private IL10N $l10n,
private LoggerInterface $logger,
private ?string $userId,
) {
}
/**
* @param string $subjectIdentifier
* @param array $subjectParams
* @param bool $ownActivity
* @return string
*/
public function getActivityFormat(string $subjectIdentifier, array $subjectParams = [], bool $ownActivity = false): string {
$subject = '';
switch ($subjectIdentifier) {
case self::SUBJECT_BILL_CREATE:
$subject = $ownActivity ? $this->l10n->t('You have created a new bill {bill} in project {project}'): $this->l10n->t('{user} has created a new bill {bill} in project {project}');
break;
case self::SUBJECT_BILL_DELETE:
$subject = $ownActivity ? $this->l10n->t('You have deleted the bill {bill} of project {project}') : $this->l10n->t('{user} has deleted the bill {bill} of project {project}');
break;
case self::SUBJECT_PROJECT_SHARE:
$subject = $ownActivity ? $this->l10n->t('You have shared the project {project} with {who}') : $this->l10n->t('{user} has shared the project {project} with {who}');
break;
case self::SUBJECT_PROJECT_UNSHARE:
$subject = $ownActivity ? $this->l10n->t('You have removed {who} from the project {project}') : $this->l10n->t('{user} has removed {who} from the project {project}');
break;
case self::SUBJECT_BILL_UPDATE:
$subject = $ownActivity ? $this->l10n->t('You have updated the bill {bill} of project {project}') : $this->l10n->t('{user} has updated the bill {bill} of project {project}');
break;
default:
break;
}
return $subject;
}
/**
* @param string $objectType
* @param Entity $entity
* @param string $subject
* @param array $additionalParams
* @param string|null $author
*/
public function triggerEvent(string $objectType, Entity $entity, string $subject, array $additionalParams = [], ?string $author = null) {
try {
$event = $this->createEvent($objectType, $entity, $subject, $additionalParams, $author);
if ($event !== null) {
$this->sendToUsers($event);
}
} catch (Exception $e) {
// Ignore exception for undefined activities on update events
}
}
/**
* @param string $objectType
* @param Entity $entity
* @param string $subject
* @param array $additionalParams
* @param string|null $author
* @return IEvent|null
* @throws Exception
*/
private function createEvent(string $objectType, Entity $entity, string $subject, array $additionalParams = [], ?string $author = null): ?IEvent {
if ($subject === self::SUBJECT_BILL_DELETE) {
$object = $entity;
} else {
try {
$object = $this->findObjectForEntity($objectType, $entity);
} catch (DoesNotExistException $e) {
$this->logger->error('Could not create activity entry for ' . $subject . '. Entity not found.', (array)$entity);
return null;
} catch (MultipleObjectsReturnedException $e) {
$this->logger->error('Could not create activity entry for ' . $subject . '. Entity not found.', (array)$entity);
return null;
}
}
/**
* Automatically fetch related details for subject parameters
* depending on the subject
*/
$eventType = 'cospend';
$subjectParams = [];
$message = null;
$objectName = null;
switch ($subject) {
// No need to enhance parameters since entity already contains the required data
case self::SUBJECT_BILL_CREATE:
case self::SUBJECT_BILL_UPDATE:
case self::SUBJECT_BILL_DELETE:
$subjectParams = $this->findDetailsForBill($object);
/** @var Bill $object */
$objectName = $object->getWhat();
$eventType = 'cospend_bill_event';
break;
case self::SUBJECT_PROJECT_SHARE:
case self::SUBJECT_PROJECT_UNSHARE:
$subjectParams = $this->findDetailsForProject((string) $entity->getId());
$objectName = $object->getId();
break;
default:
throw new Exception('Unknown subject for activity.');
}
$subjectParams['author'] = $this->l10n->t('A guest user');
$event = $this->manager->generateEvent();
$event->setApp('cospend')
->setType($eventType)
->setAuthor($author === null ? $this->userId ?? '' : $author)
->setObject($objectType, (int)$object->getId(), (string) $objectName)
->setSubject($subject, array_merge($subjectParams, $additionalParams))
->setTimestamp(time());
/*
if ($message !== null) {
$event->setMessage($message);
}
*/
return $event;
}
/**
* Publish activity to all users that are part of the project of a given object
*
* @param IEvent $event
*/
private function sendToUsers(IEvent $event) {
$projectId = '';
switch ($event->getObjectType()) {
case self::COSPEND_OBJECT_BILL:
$projectId = $event->getSubjectParameters()['project']['id'];
break;
case self::COSPEND_OBJECT_PROJECT:
$projectId = $event->getObjectName();
break;
}
foreach ($this->userService->findUsers($projectId) as $user) {
$event->setAffectedUser($user);
/** @noinspection DisconnectedForeachInstructionInspection */
$this->manager->publish($event);
}
}
/**
* @param $objectType
* @param $entity
* @return Entity
*/
private function findObjectForEntity($objectType, $entity): Entity {
$className = get_class($entity);
if ($objectType === self::COSPEND_OBJECT_BILL) {
switch ($className) {
case Bill::class:
$objectId = $entity->getId();
break;
default:
throw new InvalidArgumentException('No entity relation present for '. $className . ' to ' . $objectType);
}
return $this->billMapper->find($objectId);
}
if ($objectType === self::COSPEND_OBJECT_PROJECT) {
switch ($className) {
case Project::class:
$objectId = $entity->getId();
break;
default:
throw new InvalidArgumentException('No entity relation present for '. $className . ' to ' . $objectType);
}
$dbProject = $this->projectMapper->find($objectId);
if ($dbProject === null) {
throw new InvalidArgumentException('No entity relation present for '. $className . ' to ' . $objectType);
}
return $dbProject;
}
throw new InvalidArgumentException('No entity relation present for '. $className . ' to ' . $objectType);
}
/**
* @param object $bill
* @return array[]
*/
private function findDetailsForBill(object $bill): array {
$project = $this->projectMapper->find($bill->getProjectid());
$bill = [
'id' => $bill->getId(),
'name' => $bill->getWhat(),
'amount' => $bill->getAmount()
];
$project = [
'id' => $project->getId(),
'name' => $project->getName()
];
return [
'bill' => $bill,
'project' => $project
];
}
/**
* @param string $projectId
* @return array[]
*/
private function findDetailsForProject(string $projectId): array {
$project = $this->projectMapper->find($projectId);
$project = [
'id' => $project->getId(),
'name' => $project->getName()
];
return [
'project' => $project
];
}
}
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