pics/controllers/EditAsset.php

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<?php
/*****************************************************************************
* EditAsset.php
* Contains the asset management controller
*
* Kabuki CMS (C) 2013-2015, Aaron van Geffen
*****************************************************************************/
class EditAsset extends HTMLController
{
public function __construct()
{
// Ensure it's just admins at this point.
if (!Registry::get('user')->isAdmin())
throw new NotAllowedException();
if (empty($_GET['id']))
throw new Exception('Invalid request.');
$asset = Asset::fromId($_GET['id']);
if (empty($asset))
throw new NotFoundException('Asset not found');
if (isset($_REQUEST['delete']))
throw new Exception('Not implemented.');
if (!empty($_POST))
{
if (isset($_GET['updatethumb']))
{
$image = $asset->getImage();
return $this->updateThumb($image);
}
// Key info
if (isset($_POST['title'], $_POST['date_captured'], $_POST['priority']))
{
$date_captured = !empty($_POST['date_captured']) ? new DateTime($_POST['date_captured']) : null;
$asset->setKeyData(htmlentities($_POST['title']), $date_captured, intval($_POST['priority']));
}
// Handle tags
$new_tags = [];
if (isset($_POST['tag']) && is_array($_POST['tag']))
foreach ($_POST['tag'] as $id_tag => $bool)
if (is_numeric($id_tag))
$new_tags[] = $id_tag;
$current_tags = array_keys($asset->getTags());
$tags_to_unlink = array_diff($current_tags, $new_tags);
$asset->unlinkTags($tags_to_unlink);
$tags_to_link = array_diff($new_tags, $current_tags);
$asset->linkTags($tags_to_link);
// Meta data
if (isset($_POST['meta_key'], $_POST['meta_value']))
{
$new_meta = array_filter(array_combine($_POST['meta_key'], $_POST['meta_value']), function($e) {
return !empty($e);
});
$asset->setMetaData($new_meta);
}
// A replacement file?
if (isset($_FILES['replacement'], $_POST['replacement_target']) && !empty($_FILES['replacement']['tmp_name']))
{
if ($_POST['replacement_target'] === 'full')
{
$asset->replaceFile($_FILES['replacement']['tmp_name']);
if ($asset->isImage())
{
$image = $asset->getImage();
$image->removeAllThumbnails();
}
}
elseif (preg_match('~^thumb_(\d+)x(\d+)(_c[best]?)?$~', $_POST['replacement_target']))
{
$image = $asset->getImage();
if (($replace_result = $image->replaceThumbnail($_POST['replacement_target'], $_FILES['replacement']['tmp_name'])) !== 0)
throw new Exception('Could not replace thumbnail \'' . $_POST['replacement_target'] . '\' with the uploaded file. Error code: ' . $replace_result);
}
}
header('Location: ' . BASEURL . '/editasset/?id=' . $asset->getId());
}
// Get list of thumbnails
$thumbs = $this->getThumbs($asset);
$page = new EditAssetForm($asset, $thumbs);
parent::__construct('Edit asset \'' . $asset->getTitle() . '\' (' . $asset->getFilename() . ') - ' . SITE_TITLE);
$this->page->adopt($page);
}
private function getThumbs(Asset $asset)
{
$path = $asset->getPath();
$thumbs = [];
$metadata = $asset->getMeta();
foreach ($metadata as $key => $meta)
{
if (!preg_match('~^thumb_(?<width>\d+)x(?<height>\d+)(?<suffix>_c(?<method>[best]?))?$~', $key, $thumb))
continue;
$has_crop_boundary = isset($metadata['crop_' . $thumb['width'] . 'x' . $thumb['height']]);
$has_custom_image = isset($metadata['custom_' . $thumb['width'] . 'x' . $thumb['height']]);
$thumbs[] = [
'dimensions' => [(int) $thumb['width'], (int) $thumb['height']],
'cropped' => !$has_custom_image && (!empty($thumb['suffix']) || $has_crop_boundary),
'crop_method' => !$has_custom_image && !empty($thumb['method']) ? $thumb['method'] : (!empty($thumb['suffix']) ? 'c' : null),
'crop_region' => $has_crop_boundary ? $metadata['crop_' . $thumb['width'] . 'x' . $thumb['height']] : null,
'custom_image' => $has_custom_image,
'filename' => $meta,
'full_path' => THUMBSDIR . '/' . $path . '/' . $meta,
'url' => THUMBSURL . '/' . $path . '/' . $meta,
'status' => file_exists(THUMBSDIR . '/' . $path . '/' . $meta),
];
}
return $thumbs;
}
private function updateThumb(Image $image)
{
$data = json_decode($_POST['data']);
$meta = $image->getMeta();
// Set new crop boundary.
$crop_key = 'crop_' . $data->thumb_width . 'x' . $data->thumb_height;
$crop_value = $data->crop_width . ',' . $data->crop_height . ',' . $data->source_x . ',' . $data->source_y;
$meta[$crop_key] = $crop_value;
// If we uploaded a custom thumbnail, stop considering it such.
$custom_key = 'custom_' . $data->thumb_width . 'x' . $data->thumb_height;
if (isset($meta[$custom_key]))
unset($meta[$custom_key]);
// Force a rebuild of related thumbnails.
$thumb_key = 'thumb_' . $data->thumb_width . 'x' . $data->thumb_height;
foreach ($meta as $meta_key => $meta_value)
if ($meta_key === $thumb_key || strpos($meta_key, $thumb_key . '_') !== false)
unset($meta[$meta_key]);
$image->setMetaData($meta);
$payload = [
'key' => $crop_key,
'value' => $crop_value,
'url' => $image->getThumbnailUrl($data->thumb_width, $data->thumb_height, 'exact'),
];
header('Content-Type: text/json; charset=utf-8');
echo json_encode($payload);
exit;
}
}