forked from Public/pics
128 lines
3.1 KiB
PHP
128 lines
3.1 KiB
PHP
<?php
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/*****************************************************************************
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* ViewPhoto.php
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* Contains the view photo controller
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*
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* Kabuki CMS (C) 2013-2016, Aaron van Geffen
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*****************************************************************************/
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class ViewPhoto extends HTMLController
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{
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private Image $photo;
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public function __construct()
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{
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// Ensure we're logged in at this point.
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$user = Registry::get('user');
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if (!$user->isLoggedIn())
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throw new NotAllowedException();
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$photo = Asset::fromSlug($_GET['slug']);
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if (empty($photo))
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throw new NotFoundException();
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$this->photo = $photo->getImage();
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Session::resetSessionToken();
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parent::__construct($this->photo->getTitle() . ' - ' . SITE_TITLE);
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if (!empty($_POST))
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$this->handleTagging();
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else
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$this->handleViewPhoto();
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}
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private function handleViewPhoto()
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{
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$page = new PhotoPage($this->photo);
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// Any (EXIF) meta data?
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$metaData = $this->prepareMetaData();
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$page->setMetaData($metaData);
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// What tag are we browsing?
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$tag = isset($_GET['in']) ? Tag::fromId($_GET['in']) : null;
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if (isset($tag))
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$page->setTag($tag);
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// Keeping tabs on a filter?
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if (isset($_GET['by']))
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{
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// Let's first verify that the filter is valid
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$contributors = array_filter($tag->getContributorList(), fn($el) => $el['slug'] === $_GET['by']);
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if (count($contributors) !== 1)
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throw new UnexpectedValueException('Invalid filter for this album or tag.');
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// Alright, let's run with it then
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$filter = reset($contributors);
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$page->setActiveFilter($filter['slug']);
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}
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$this->page->adopt($page);
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$this->page->setCanonicalUrl($this->photo->getPageUrl());
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}
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private function handleTagging()
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{
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header('Content-Type: text/json; charset=utf-8');
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// Are we tagging a photo?
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if (!isset($_POST['id_tag']))
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{
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echo json_encode(['error' => true, 'msg' => 'Invalid tag request.']);
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exit;
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}
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// We are!
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if (!isset($_POST['delete']))
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{
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$this->photo->linkTags([(int) $_POST['id_tag']]);
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echo json_encode(['success' => true]);
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exit;
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}
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// ... deleting, that is.
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else
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{
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$this->photo->unlinkTags([(int) $_POST['id_tag']]);
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echo json_encode(['success' => true]);
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exit;
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}
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}
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private function prepareMetaData()
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{
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if (!($exif = EXIF::fromFile($this->photo->getFullPath())))
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throw new UnexpectedValueException('Photo file not found!');
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$metaData = [];
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if (!empty($exif->created_timestamp))
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$metaData['Date Taken'] = date("j M Y, H:i:s", $exif->created_timestamp);
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if ($author = $this->photo->getAuthor())
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$metaData['Uploaded by'] = $author->getfullName();
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if (!empty($exif->camera))
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$metaData['Camera Model'] = $exif->camera;
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if (!empty($exif->shutter_speed))
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$metaData['Shutter Speed'] = $exif->shutterSpeedFraction();
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if (!empty($exif->aperture))
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$metaData['Aperture'] = 'f/' . number_format($exif->aperture, 1);
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if (!empty($exif->focal_length))
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$metaData['Focal Length'] = $exif->focal_length . ' mm';
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if (!empty($exif->iso))
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$metaData['ISO Speed'] = $exif->iso;
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if (!empty($exif->software))
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$metaData['Software'] = $exif->software;
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return $metaData;
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}
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}
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