/**
* Update page object
*
* @param string $pageUID Page unique ID
* @param Page $page Page object
* @throws PageException If the page is not valid
* @throws PageException If the page already exists
* @throws PageException If the page does not exists
* @return bool Return true if page updated
*/
public function update($pageUID, $page)
{
$fs = new Files($this->folder);
$pageFile = $pageUID . $this->fileExtension;
if (!$fs->exists($pageFile)) {
throw new PageException('Page `' . $pageUID . '` does not exists');
}
if (!isset($page->title, $page->slug)) {
throw new PageException('Page not valid. Must have at least a `title` and a `slug`');
}
// New slug, need to rename
if ($pageUID !== $page->slug) {
$pageFileNew = $page->slug . $this->fileExtension;
if ($fs->exists($pageFileNew)) {
throw new PageException('Cannot rename, page `' . $page->slug . '` already exists');
}
$fs->rename($pageFile, $pageFileNew);
$pageFile = $pageFileNew;
}
$data = $this->renderer->render($page);
$fs->write($pageFile, $data);
$this->data[$page->slug] = $page;
return true;
}
