pics/controllers/ViewPhoto.php

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<?php
/*****************************************************************************
* ViewPhoto.php
* Contains the view photo controller
*
* Kabuki CMS (C) 2013-2016, Aaron van Geffen
*****************************************************************************/
class ViewPhoto extends HTMLController
{
public function __construct()
{
// Ensure we're logged in at this point.
if (!Registry::get('user')->isLoggedIn())
throw new NotAllowedException();
$photo = Asset::fromSlug($_GET['slug']);
if (empty($photo))
throw new NotFoundException();
if (!empty($_POST))
$this->handleTagging($photo->getImage());
parent::__construct($photo->getTitle() . ' - ' . SITE_TITLE);
$page = new PhotoPage($photo->getImage());
// Exif data?
$exif = EXIF::fromFile($photo->getFullPath());
if ($exif)
$page->setExif($exif);
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// What tag are we browsing?
$tag = isset($_GET['in']) ? Tag::fromId($_GET['in']) : null;
$id_tag = isset($tag) ? $tag->id_tag : null;
// Find previous photo in set.
$previous_url = $photo->getUrlForPreviousInSet($id_tag);
if ($previous_url)
$page->setPreviousPhotoUrl($previous_url);
// ... and the next photo, too.
$next_url = $photo->getUrlForNextInSet($id_tag);
if ($next_url)
$page->setNextPhotoUrl($next_url);
$user = Registry::get('user');
$author = $photo->getAuthor();
if ($user->isAdmin() || $user->getUserId() === $author->getUserId())
$page->setIsAssetOwner(true);
$this->page->adopt($page);
$this->page->setCanonicalUrl($photo->getPageUrl());
// Add an edit button to the admin bar.
if (Registry::get('user')->isAdmin())
$this->admin_bar->appendItem(BASEURL . '/editasset/?id=' . $photo->getId(), 'Edit this photo');
}
private function handleTagging(Image $photo)
{
header('Content-Type: text/json; charset=utf-8');
// Are we tagging a photo?
if (!isset($_POST['id_tag']))
{
echo json_encode(['error' => true, 'msg' => 'Invalid tag request.']);
exit;
}
// We are!
$photo->linkTags([(int) $_POST['id_tag']]);
echo json_encode(['success' => true]);
exit;
}
}