memories/lib/Db/LivePhoto.php

99 lines
3.3 KiB
PHP

<?php
declare(strict_types=1);
namespace OCA\Memories\Db;
use OCP\DB\QueryBuilder\IQueryBuilder;
use OCP\Files\File;
use OCP\IDBConnection;
class LivePhoto
{
protected IDBConnection $connection;
public function __construct(IDBConnection $connection)
{
$this->connection = $connection;
}
/** Check if a given Exif data is the video part of a live photo */
public function isVideoPart(array &$exif)
{
return \array_key_exists('MIMEType', $exif)
&& 'video/quicktime' === $exif['MIMEType']
&& \array_key_exists('ContentIdentifier', $exif);
}
/** Get liveid from photo part */
public function getLivePhotoId(array &$exif)
{
// Apple JPEG (MOV has ContentIdentifier)
if (\array_key_exists('MediaGroupUUID', $exif)) {
return $exif['MediaGroupUUID'];
}
// Samsung JPEG
if (\array_key_exists('EmbeddedVideoType', $exif) && str_contains($exif['EmbeddedVideoType'], 'MotionPhoto')) {
return 'self__embeddedvideo';
}
// Google JPEG and Samsung HEIC (Apple?)
if (\array_key_exists('MotionPhoto', $exif)) {
if ('image/jpeg' === $exif['MIMEType']) {
// Google JPEG -- image should hopefully be in trailer
return 'self__trailer';
}
if ('image/heic' === $exif['MIMEType']) {
// Samsung HEIC -- no way to get this out yet
return '';
}
}
return '';
}
public function processVideoPart(File &$file, array &$exif)
{
$fileId = $file->getId();
$mtime = $file->getMTime();
$liveid = $exif['ContentIdentifier'];
if (empty($liveid)) {
return;
}
$query = $this->connection->getQueryBuilder();
$query->select('fileid')
->from('memories_livephoto')
->where($query->expr()->eq('fileid', $query->createNamedParameter($fileId, IQueryBuilder::PARAM_INT)))
;
$cursor = $query->executeQuery();
$prevRow = $cursor->fetch();
$cursor->closeCursor();
if ($prevRow) {
// Update existing row
$query->update('memories_livephoto')
->set('liveid', $query->createNamedParameter($liveid, IQueryBuilder::PARAM_STR))
->set('mtime', $query->createNamedParameter($mtime, IQueryBuilder::PARAM_INT))
->where($query->expr()->eq('fileid', $query->createNamedParameter($fileId, IQueryBuilder::PARAM_INT)))
;
$query->executeStatement();
} else {
// Try to create new row
try {
$query->insert('memories_livephoto')
->values([
'liveid' => $query->createNamedParameter($liveid, IQueryBuilder::PARAM_STR),
'mtime' => $query->createNamedParameter($mtime, IQueryBuilder::PARAM_INT),
'fileid' => $query->createNamedParameter($fileId, IQueryBuilder::PARAM_INT),
])
;
$query->executeStatement();
} catch (\Exception $ex) {
error_log('Failed to create memories_livephoto record: '.$ex->getMessage());
}
}
}
}