- /**
- * Change the page's parent to the given entity.
- */
- protected function changeParent(Page $page, Entity $parent)
- {
- $book = ($parent instanceof Book) ? $parent : $parent->book;
- $page->chapter_id = ($parent instanceof Chapter) ? $parent->id : 0;
- $page->save();
-
- if ($page->book->id !== $book->id) {
- $page->changeBook($book->id);
- }
-
- $page->load('book');
- $book->rebuildPermissions();
- }
-
- /**
- * Get a page revision to update for the given page.
- * Checks for an existing revisions before providing a fresh one.
- */
- protected function getPageRevisionToUpdate(Page $page): PageRevision
- {
- $drafts = $this->getUserDraftQuery($page)->get();
- if ($drafts->count() > 0) {
- return $drafts->first();
- }
-
- $draft = new PageRevision();
- $draft->page_id = $page->id;
- $draft->slug = $page->slug;
- $draft->book_slug = $page->book->slug;
- $draft->created_by = user()->id;
- $draft->type = 'update_draft';
- return $draft;
- }
-
- /**
- * Delete old revisions, for the given page, from the system.
- */
- protected function deleteOldRevisions(Page $page)
- {
- $revisionLimit = config('app.revision_limit');
- if ($revisionLimit === false) {
- return;
- }
-
- $revisionsToDelete = PageRevision::query()
- ->where('page_id', '=', $page->id)
- ->orderBy('created_at', 'desc')
- ->skip(intval($revisionLimit))
- ->take(10)
- ->get(['id']);
- if ($revisionsToDelete->count() > 0) {
- PageRevision::query()->whereIn('id', $revisionsToDelete->pluck('id'))->delete();
- }