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<?php
namespace Courseware\BlockTypes;
/**
* This class represents the content of a Courseware gallery block.
*
* @author Ron Lucke <lucke@elan-ev.de>
* @license GPL2 or any later version
*
* @since Stud.IP 5.0
*/
class Gallery extends BlockType
{
public static function getType(): string
{
return 'gallery';
}
public static function getTitle(): string
{
return _('Galerie');
}
public static function getDescription(): string
{
return _('Bilder aus einem Ordner im Dateibereich zeigen.');
}
/**
* Returns the decoded payload of the block associated with this instance.
*
* @return mixed the decoded payload
*/
public function getPayload()
{
$user = \User::findCurrent();
$payload = $this->decodePayloadString($this->block['payload']);
$folder = \Folder::find($payload['folder_id']);
$payload['folder-type'] = null;
$payload['files'] = [];
if ($folder) {
$typedFolder = $folder->getTypedFolder();
if ($typedFolder->folder_type === 'HiddenFolder' && !$typedFolder->download_allowed) {
return $payload;
}
$payload['folder-type'] = $typedFolder->folder_type;
foreach ($typedFolder->getFiles() as $folderFile) {
$fileRef = $folderFile->getFileRef();
$file = [];
$file['id'] = $folderFile->id;
$file['attributes'] = [
'name' => $folderFile->name,
'mime-type' => $folderFile->mime_type,
'filesize' => (int) $folderFile->size,
'description' => $fileRef->description,
'mkdate' => date('c', $folderFile->mkdate),
];
$file['relationships'] = [
'owner' => [
'data' => ['type' => 'users', 'id' => $folderFile->user_id],
'meta' => ['name' => $fileRef->getAuthorName()]
]
];
$file['meta'] = [
'download-url' => $folderFile->getDownloadURL(),
];
if ($this->filePermission($typedFolder, $file, $user) && $fileRef->isImage()) {
array_push($payload['files'], $file);
}
}
}
return $payload;
}
private function filePermission($typedFolder, $file, $user): bool
{
return $typedFolder->folder_type !== 'HomeworkFolder' || $user->id === $file['relationships']['owner']['data']['id'] || $typedFolder->isReadable($user->id);
}
public function initialPayload(): array
{
return [
'folder_id' => '',
'layout' => 'carousel',
'autoplay' => 'false',
'autoplay_timer' => '2',
'nav' => 'true',
'height' => '620',
'cols' => '25',
'show_filenames' => 'true',
'show_description' => 'false',
'mouseover_filenames' => 'false',
];
}
/**
* get all files related to this bloc.
*
* @return \FileRef[] list of file references realted to this block
*/
public function getFiles(): array
{
$payload = $this->getPayload();
if (!$payload['folder_id']) {
return [];
}
$files = [];
if ($fileRefs = \FileRef::findByFolder_id($payload['folder_id'])) {
$files = $fileRefs;
}
return $files;
}
public function copyPayload(string $rangeId = ''): array
{
$payload = $this->getPayload();
if ('' != $payload['folder_id']) {
$payload['folder_id'] = $this->copyFolderById($payload['folder_id'], $rangeId);
}
return $payload;
}
public static function getJsonSchema(): string
{
$schemaFile = __DIR__.'/Gallery.json';
return file_get_contents($schemaFile);
}
public static function getCategories(): array
{
return ['multimedia'];
}
public static function getContentTypes(): array
{
return ['image'];
}
public static function getFileTypes(): array
{
return ['image'];
}
public static function getTags(): array
{
return [
_('Bild'), _('Gestaltung'), _('Galerie'), _('Bilderkarussell'), _('Illustration'),
_('Foto'), 'jpg', 'png', 'gif', _('Abbildung'), _('Slideshow'),
_('Diashow'), _('Slider'), _('blättern'), _('Veranschaulichung'), _('Visualisierung')
];
}
}
|
