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<?php |
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namespace App\Service; |
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use App\Entity\Image; |
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use App\Repository\WanderRepository; |
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use App\Utils\ExifHelper; |
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use Deployer\Logger\Logger; |
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use Exception; |
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use Liip\ImagineBundle\Imagine\Cache\CacheManager; |
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use PHPExif\Adapter\Exiftool; |
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use PHPExif\Reader\Reader; |
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use Psr\Log\LoggerInterface; |
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use Symfony\Component\Routing\Generator\UrlGeneratorInterface; |
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use Symfony\Component\Security\Core\Security; |
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use Vich\UploaderBundle\Templating\Helper\UploaderHelper; |
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use App\Utils\ExifHelperInterface; |
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class ImageService { |
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/** @var UploaderHelper */ |
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private $uploaderHelper; |
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/** @var CacheManager */ |
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private $imagineCacheManager; |
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/** @var UrlGeneratorInterface */ |
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private $router; |
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/** @var LoggerInterface */ |
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private $logger; |
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/** @var WanderRepository */ |
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private $wanderRepository; |
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/** @var Reader */ |
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private $reader; |
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/** @var string */ |
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private $imagesDirectory; |
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/** @var LocationService */ |
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private $locationService; |
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/** @var string */ |
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private $exiftoolPath; |
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public function __construct( |
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UploaderHelper $uploaderHelper, |
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CacheManager $imagineCacheManager, |
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UrlGeneratorInterface $router, |
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LoggerInterface $logger, |
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WanderRepository $wanderRepository, |
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LocationService $locationService, |
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string $imagesDirectory, |
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?string $exiftoolPath) |
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{ |
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$this->uploaderHelper = $uploaderHelper; |
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$this->imagineCacheManager = $imagineCacheManager; |
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$this->router = $router; |
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$this->logger = $logger; |
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$this->wanderRepository = $wanderRepository; |
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$this->locationService = $locationService; |
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$this->imagesDirectory = $imagesDirectory; |
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$this->exiftoolPath = $exiftoolPath; |
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if ($exiftoolPath !== null) { |
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// Will throw if path is wrong |
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$adapter = new Exiftool([ |
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'toolpath' => $exiftoolPath |
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]); |
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$this->reader = new Reader($adapter); |
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} else { |
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$this->reader = Reader::factory(Reader::TYPE_EXIFTOOL); |
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} |
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} |
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public function setCalculatedImageUris(Image $image): void |
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{ |
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$image_asset_path = $this->uploaderHelper->asset($image); |
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$image->setImageUri($image_asset_path); |
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$image->setMarkerImageUri($this->imagineCacheManager->getBrowserPath($image_asset_path, 'marker_thumb')); |
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$image->setMediumImageUri($this->imagineCacheManager->getBrowserPath($image_asset_path, 'map_popup_image')); |
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$image->setImageShowUri($this->router->generate('image_show', ['id' => $image->getId()])); |
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} |
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/** |
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* Location was a late addition and we have a Command to update existing ones. We don't want to touch |
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* any other existing data, so this is a special one-off to set Location. |
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*/ |
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public function setLocationFromEXIF(Image $image): void |
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{ |
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if ($image->getMimeType() !== 'image/jpeg') { |
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$this->logger->info('Ignoring non-JPEG file when trying to set properties from EXIT.'); |
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return; |
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} |
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try { |
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$exif = $this->reader->read($this->imagesDirectory . '/' . $image->getName()); |
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/** @var ExifHelperInterface */ |
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$exifHelper = new ExifHelper($exif); |
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// Don't want to overwrite anything we've already set. |
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if ($image->getLocation() === null || $image->getLocation() === '') { |
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$image->setLocation($exifHelper->getLocation()); |
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} |
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} |
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catch(Exception $e) { |
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// We've started to rely on the information gathered here, so I think |
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// this should be a proper error now. |
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throw new Exception('Error getting image Exif information: ' . $e->getMessage(), $e->getCode(), $e); |
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} |
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} |
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public function setPropertiesFromEXIF( |
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Image $image, |
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bool $updateRelatedWander = true |
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): void |
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{ |
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if ($image->getMimeType() !== 'image/jpeg') { |
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$this->logger->info('Ignoring non-JPEG file when trying to set properties from EXIT.'); |
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return; |
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} |
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try { |
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$exif = $this->reader->read($this->imagesDirectory . '/' . $image->getName()); |
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/** @var ExifHelperInterface */ |
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$exifHelper = new ExifHelper($exif); |
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$image->setTitle($exifHelper->getTitle()); |
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$image->setDescription($exifHelper->getDescription()); |
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$image->setLatlng($exifHelper->getGPS()); |
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$image->setTagsText(implode(",", $exifHelper->getKeywords() ?? [])); |
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$image->setRating($exifHelper->getRating()); |
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$neighbourhood = $exifHelper->getLocation(); |
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if ($neighbourhood === null && $image->hasLatlng()) { |
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// If we didn't set the location from the EXIF, this will try setting it |
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// from the GPS co-ordinates. |
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$neighbourhood = $this->locationService->getLocationName($image->getLatitude(), $image->getLongitude()); |
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} |
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if ($neighbourhood !== null) { |
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$image->setLocation($neighbourhood); |
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} |
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$capturedAt = $exifHelper->getCreationDate(); |
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if ($capturedAt instanceof \DateTime) { |
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$image->setCapturedAt($capturedAt); |
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if ($updateRelatedWander) { |
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// Try and find associated wander by looking for |
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// wanders whose timespan includes this image. |
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// TODO: Work out a way of adding some windage so images |
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// shot a little time either side of the track log still |
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// match. |
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$wander = $this->wanderRepository->findFirstWhereIncludesDate($capturedAt); |
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if ($wander !== null) { |
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$image->setWander($wander); |
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} |
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} |
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} |
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} |
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catch(Exception $e) { |
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// We've started to rely on the information gathered here, so I think |
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// this should be a proper error now. |
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throw new Exception('Error getting image Exif information: ' . $e->getMessage(), $e->getCode(), $e); |
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} |
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} |
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} |
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gothick /
omm
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