/**
* Persists the given model on the backend.
*
* Creates a language dir if not presented, and writes a file into it.
* Filename is the page alias.
*
* @param Default_Model_Page $page Page model to save
* @return bool true
* @throws Light_Exception_InvalidParameter
* If language or alias not presented in the model
*/
public function save(Default_Model_Page $page)
{
if ("" == $page->getLanguage()) {
require_once 'Light/Exception/InvalidParameter.php';
throw new Light_Exception_InvalidParameter("Language not provided");
}
if ("" == $page->getAlias()) {
require_once 'Light/Exception/InvalidParameter.php';
throw new Light_Exception_InvalidParameter("Alias not provided");
}
$fileUri = $this->getDirectoryRoot() . DIRECTORY_SEPARATOR . $page->getLanguage() . DIRECTORY_SEPARATOR . $page->getAlias();
$fileContent = $this->_contentFromTitleAndContent($page->getTitle(), $page->getContent());
$this->_createDirIfNeeded($page->getLanguage());
file_put_contents($fileUri, $fileContent);
return true;
}