Part-DB-server/src/Services/ImportExportSystem/PartKeeprImporter/PKImportHelperTrait.php

238 lines
10 KiB
PHP

<?php
declare(strict_types=1);
/*
* This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
*
* Copyright (C) 2019 - 2023 Jan Böhmer (https://github.com/jbtronics)
*
* 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 <https://www.gnu.org/licenses/>.
*/
namespace App\Services\ImportExportSystem\PartKeeprImporter;
use Doctrine\ORM\Id\AssignedGenerator;
use App\Entity\Attachments\Attachment;
use App\Entity\Attachments\AttachmentContainingDBElement;
use App\Entity\Attachments\AttachmentType;
use App\Entity\Base\AbstractDBElement;
use App\Entity\Base\AbstractStructuralDBElement;
use App\Entity\Contracts\TimeStampableInterface;
use Doctrine\ORM\EntityManagerInterface;
use Doctrine\ORM\Mapping\ClassMetadataInfo;
use Symfony\Component\PropertyAccess\PropertyAccessorInterface;
/**
* This trait contains helper functions for the PartKeeprImporter.
*/
trait PKImportHelperTrait
{
protected EntityManagerInterface $em;
protected PropertyAccessorInterface $propertyAccessor;
private ?AttachmentType $import_attachment_type = null;
/**
* Converts a PartKeepr attachment/image row to an Attachment entity.
* @param array $attachment_row The attachment row from the PartKeepr database
* @param string $target_class The target class for the attachment
* @param string $type The type of the attachment (attachment or image)
* @throws \Exception
*/
protected function convertAttachmentDataToEntity(array $attachment_row, string $target_class, string $type): Attachment
{
//By default, we use the cached version
if (!$this->import_attachment_type) {
//Get the import attachment type
$this->import_attachment_type = $this->em->getRepository(AttachmentType::class)->findOneBy([
'name' => 'PartKeepr Attachment'
]);
if (!$this->import_attachment_type) { //If not existing in DB create it
$this->import_attachment_type = new AttachmentType();
$this->import_attachment_type->setName('PartKeepr Attachment');
$this->em->persist($this->import_attachment_type);
}
}
if (!in_array($type, ['attachment', 'image'], true)) {
throw new \InvalidArgumentException(sprintf('The type %s is not a valid attachment type', $type));
}
if (!is_a($target_class, Attachment::class, true)) {
throw new \InvalidArgumentException(sprintf('The target class %s is not a subclass of %s', $target_class, Attachment::class));
}
/** @var Attachment $attachment */
$attachment = new $target_class();
if (!empty($attachment_row['description'])) {
$attachment->setName($attachment_row['description']);
} else {
$attachment->setName($attachment_row['originalname']);
}
$attachment->setFilename($attachment_row['originalname']);
$attachment->setAttachmentType($this->import_attachment_type);
$this->setCreationDate($attachment, $attachment_row['created']);
//Determine file extension (if the extension is empty, we use the original extension)
if (empty($attachment_row['extension'])) {
//Use mime type to determine the extension like PartKeepr does in legacy implementation (just use the second part of the mime type)
//See UploadedFile.php:291 in PartKeepr (https://github.com/partkeepr/PartKeepr/blob/f6176c3354b24fa39ac8bc4328ee0df91de3d5b6/src/PartKeepr/UploadedFileBundle/Entity/UploadedFile.php#L291)
if (!empty ($attachment_row['mimetype'])) {
$attachment_row['extension'] = explode('/', (string) $attachment_row['mimetype'])[1];
} else {
//If the mime type is empty, we use the original extension
$attachment_row['extension'] = pathinfo((string) $attachment_row['originalname'], PATHINFO_EXTENSION);
}
}
//Determine file path
//Images are stored in the (public) media folder, attachments in the (private) uploads/ folder
$path = $type === 'attachment' ? '%SECURE%' : '%MEDIA%';
//The folder is the type of the attachment from the PartKeepr database
$path .= '/'.$attachment_row['type'];
//Next comes the filename plus extension
$path .= '/'.$attachment_row['filename'].'.'.$attachment_row['extension'];
$attachment->setPath($path);
return $attachment;
}
/**
* Imports the attachments from the given data
* @param array $data The PartKeepr database
* @param string $table_name The table name for the attachments (if it contains "image", it will be treated as an image)
* @param string $target_class The target class (e.g. Part)
* @param string $target_id_field The field name where the target ID is stored
* @param string $attachment_class The attachment class (e.g. PartAttachment)
*/
protected function importAttachments(array $data, string $table_name, string $target_class, string $target_id_field, string $attachment_class): void
{
//Determine if we have an image or an attachment
$type = str_contains($table_name, 'image') || str_contains($table_name, 'iclogo') ? 'image' : 'attachment';
if (!isset($data[$table_name])) {
throw new \RuntimeException(sprintf('The table %s does not exist in the PartKeepr database', $table_name));
}
if (!is_a($target_class, AttachmentContainingDBElement::class, true)) {
throw new \InvalidArgumentException(sprintf('The target class %s is not a subclass of %s', $target_class, AttachmentContainingDBElement::class));
}
if (!is_a($attachment_class, Attachment::class, true)) {
throw new \InvalidArgumentException(sprintf('The attachment class %s is not a subclass of %s', $attachment_class, Attachment::class));
}
//Get the table data
$table_data = $data[$table_name];
foreach($table_data as $attachment_row) {
$attachment = $this->convertAttachmentDataToEntity($attachment_row, $attachment_class, $type);
//Retrieve the target entity
$target_id = (int) $attachment_row[$target_id_field];
/** @var AttachmentContainingDBElement $target */
$target = $this->em->find($target_class, $target_id);
if (!$target) {
throw new \RuntimeException(sprintf('Could not find target entity with ID %s', $target_id));
}
$target->addAttachment($attachment);
$this->em->persist($attachment);
}
$this->em->flush();
}
/**
* Assigns the parent to the given entity, using the numerical IDs from the imported data.
* @return AbstractStructuralDBElement The structural element that was modified (with $element_id)
*/
protected function setParent(string $class, int|string $element_id, int|string $parent_id): AbstractStructuralDBElement
{
$element = $this->em->find($class, (int) $element_id);
if (!$element) {
throw new \RuntimeException(sprintf('Could not find element with ID %s', $element_id));
}
//If the parent is null, we're done
if (!$parent_id) {
return $element;
}
$parent = $this->em->find($class, (int) $parent_id);
if (!$parent) {
throw new \RuntimeException(sprintf('Could not find parent with ID %s', $parent_id));
}
$element->setParent($parent);
return $element;
}
/**
* Sets the given field of the given entity to the entity with the given ID.
*/
protected function setAssociationField(AbstractDBElement $element, string $field, string $other_class, $other_id): AbstractDBElement
{
//If the parent is null, set the field to null and we're done
if (!$other_id) {
$this->propertyAccessor->setValue($element, $field, null);
return $element;
}
$parent = $this->em->find($other_class, (int) $other_id);
if (!$parent) {
throw new \RuntimeException(sprintf('Could not find other_class with ID %s', $other_id));
}
$this->propertyAccessor->setValue($element, $field, $parent);
return $element;
}
/**
* Set the ID of an entity to a specific value. Must be called before persisting the entity, but before flushing.
*/
protected function setIDOfEntity(AbstractDBElement $element, int|string $id): void
{
if (!is_int($id) && !is_string($id)) {
throw new \InvalidArgumentException('ID must be an integer or string');
}
$id = (int) $id;
$metadata = $this->em->getClassMetadata($element::class);
$metadata->setIdGeneratorType(ClassMetadataInfo::GENERATOR_TYPE_NONE);
$metadata->setIdGenerator(new AssignedGenerator());
$metadata->setIdentifierValues($element, ['id' => $id]);
}
/**
* Sets the creation date of an entity to a specific value.
* @return void
* @throws \Exception
*/
protected function setCreationDate(TimeStampableInterface $entity, ?string $datetime_str)
{
if ($datetime_str !== null && $datetime_str !== '' && $datetime_str !== '0000-00-00 00:00:00') {
$date = new \DateTime($datetime_str);
} else {
$date = null; //Null means "now" at persist time
}
$reflectionClass = new \ReflectionClass($entity);
$property = $reflectionClass->getProperty('addedDate');
$property->setAccessible(true);
$property->setValue($entity, $date);
}
}