/**
* Changes the related book for the specified page.
* Changes the book id of any relations to the page that store the book id.
* @param int $bookId
* @param Page $page
* @return Page
*/
public function changeBook($bookId, Page $page)
{
$page->book_id = $bookId;
foreach ($page->activity as $activity) {
$activity->book_id = $bookId;
$activity->save();
}
$page->slug = $this->findSuitableSlug($page->name, $bookId, $page->id);
$page->save();
return $page;
}
/**
* Change the page's parent to the given entity.
* @param Page $page
* @param Entity $parent
*/
public function changePageParent(Page $page, Entity $parent)
{
$book = $parent->isA('book') ? $parent : $parent->book;
$page->chapter_id = $parent->isA('chapter') ? $parent->id : 0;
$page->save();
$page = $this->changeBook($book->id, $page);
$page->load('book');
$this->permissionService->buildJointPermissionsForEntity($book);
}