isAdmin())
throw new NotAllowedException();
$id_tag = isset($_GET['id']) ? (int) $_GET['id'] : 0;
if (empty($id_tag) && !isset($_GET['add']) && $_GET['action'] !== 'addalbum')
throw new UnexpectedValueException('Requested album not found or not requesting a new album.');
if (!empty($id_tag))
$album = Tag::fromId($id_tag);
// Adding an album?
if (isset($_GET['add']) || $_GET['action'] === 'addalbum')
{
parent::__construct('Add a new album');
$form_title = 'Add a new album';
$this->page->addClass('editalbum');
}
// Deleting one?
elseif (isset($_GET['delete']))
{
// So far so good?
if (Session::validateSession('get') && $album->kind === 'Album' && $album->delete())
{
header('Location: ' . BASEURL . '/managealbums/');
exit;
}
else
trigger_error('Cannot delete album: an error occured while processing the request.', E_USER_ERROR);
}
// Editing one, then, surely.
else
{
if ($album->kind !== 'Album')
trigger_error('Cannot edit album: not an album.', E_USER_ERROR);
parent::__construct('Edit album \'' . $album->tag . '\'');
$form_title = 'Edit album \'' . $album->tag . '\'';
$this->page->addClass('editalbum');
}
// Session checking!
if (empty($_POST))
Session::resetSessionToken();
else
Session::validateSession();
if ($id_tag)
$after_form = 'Delete album';
elseif (!$id_tag)
$after_form = '';
// Gather possible parents for this album to be filed into
$parentChoices = [0 => '-root-'];
foreach (PhotoAlbum::getHierarchy('tag', 'up') as $parent)
{
if (!empty($id_tag) && $parent['id_tag'] == $id_tag)
continue;
$parentChoices[$parent['id_tag']] = $parent['tag'];
}
$fields = [
'id_parent' => [
'type' => 'select',
'label' => 'Parent album',
'options' => $parentChoices,
],
'id_asset_thumb' => [
'type' => 'numeric',
'label' => 'Thumbnail asset ID',
'is_optional' => true,
],
'tag' => [
'type' => 'text',
'label' => 'Album title',
'size' => 50,
'maxlength' => 255,
],
'slug' => [
'type' => 'text',
'label' => 'URL slug',
'size' => 50,
'maxlength' => 255,
],
'description' => [
'type' => 'textbox',
'label' => 'Description',
'size' => 50,
'maxlength' => 255,
'is_optional' => true,
],
];
// Fetch image assets for this album
if (!empty($id_tag))
{
list($assets, $num_assets) = AssetIterator::getByOptions([
'direction' => 'desc',
'limit' => 500,
'id_tag' => $id_tag,
], true);
if ($num_assets > 0)
unset($fields['id_asset_thumb']);
}
$this->form = new Form([
'request_url' => BASEURL . '/editalbum/?' . ($id_tag ? 'id=' . $id_tag : 'add'),
'content_below' => $after_form,
'fields' => $fields,
]);
// Add defaults for album if none present
if (empty($_POST) && isset($_GET['tag']))
{
$parentTag = Tag::fromId($_GET['tag']);
if ($parentTag->kind === 'Album')
{
$formDefaults = [
'id_parent' => $parentTag->id_tag,
'tag' => 'New Album Title Here',
'slug' => ($parentTag->slug ? $parentTag->slug . '/' : '') . 'NEW_ALBUM_SLUG_HERE',
];
}
}
elseif (empty($_POST) && count($parentChoices) > 1)
{
// Choose the first non-root album as the default parent
reset($parentChoices);
next($parentChoices);
$formDefaults = ['id_parent' => key($parentChoices)];
}
if (!isset($formDefaults))
$formDefaults = isset($album) ? get_object_vars($album) : $_POST;
// Create the form, add in default values.
$this->form->setData($formDefaults);
$this->formview = new FormView($this->form, $form_title ?? '');
$this->page->adopt($this->formview);
// If we have asset images, show the thumbnail manager
if (!empty($id_tag) && $num_assets > 0)
$this->page->adopt(new FeaturedThumbnailManager($assets, $id_tag ? $album->id_asset_thumb : 0));
if (isset($_POST['changeThumbnail']))
$this->processThumbnail($album);
elseif (!empty($_POST))
$this->processTagDetails($id_tag, $album ?? null);
}
private function processThumbnail($tag)
{
if (empty($_POST))
return;
$tag->id_asset_thumb = $_POST['featuredThumbnail'];
$tag->save();
header('Location: ' . BASEURL . '/editalbum/?id=' . $tag->id_tag);
exit;
}
private function processTagDetails($id_tag, $album)
{
if (!empty($_POST))
{
$this->form->verify($_POST);
// Anything missing?
if (!empty($this->form->getMissing()))
return $this->formview->adopt(new Alert('Some data missing', 'Please fill out the following fields: ' . implode(', ', $this->form->getMissing()), 'danger'));
$data = $this->form->getData();
// Sanity check: don't let an album be its own parent
if ($data['id_parent'] == $id_tag)
{
return $this->formview->adopt(new Alert('Invalid parent', 'An album cannot be its own parent.', 'danger'));
}
// Quick stripping.
$data['tag'] = htmlspecialchars($data['tag']);
$data['description'] = htmlspecialchars($data['description']);
$data['slug'] = strtr($data['slug'], [' ' => '-', '--' => '-', '&' => 'and', '=>' => '', "'" => "", ":"=> "", '\\' => '-']);
// TODO: when updating slug, update slug for all photos in this album.
// Creating a new album?
if (!$id_tag)
{
$data['kind'] = 'Album';
$newTag = Tag::createNew($data);
if ($newTag === false)
return $this->formview->adopt(new Alert('Cannot create this album', 'Something went wrong while creating the album...', 'danger'));
if (isset($_POST['submit_and_new']))
{
header('Location: ' . BASEURL . '/editalbum/?add&tag=' . $data['id_parent']);
exit;
}
}
// Just updating?
else
{
foreach ($data as $key => $value)
$album->$key = $value;
$album->save();
}
// Redirect to the album management page.
header('Location: ' . BASEURL . '/managealbums/');
exit;
}
}
}