<?php

class AgaviRbacConfigHandler extends AgaviConfigHandler
{
	public function execute($config, $context = null)
	{
		$user = AgaviContext::getInstance($context)->getUser();

		if($context == null) {
			$context = '';
		}

		$configurations = $this->orderConfigurations(AgaviConfigCache::parseConfig($config, true, $this->getValidationFile())->configurations, AgaviConfig::get('core.environment'), $context);

		$data = array();


		foreach($configurations as $cfg)
		{
			if(isset($cfg->roles) )
			{
				$this->parseHierarchy($user, $cfg->roles);
			}
		}

		$code = '$this->importHierarchy(' . var_export($user->exportHierarchy(), true) . ');';

		// compile data
		$retval = "<?php\n" .
				  "// auto-generated by ".__CLASS__."\n" .
				  "// date: %s GMT\n%s\n?>";
		$retval = sprintf($retval, gmdate('m/d/Y H:i:s'), $code);


		return $retval;

	}

	protected function parseHierarchy($user, $roles, $parent = null)
	{
		foreach($roles as $role)
		{
			$name = $role->getAttribute('name');

			$opts = array();

			if($role->hasAttribute('description') )		$opts['description']	= $role->getAttribute('description');
			if($role->hasAttribute('global_access') )	$opts['global_access']	= $this->literalize($role->getAttribute('global_access') );

			$permissions = array();

			if($role->hasChildren('permissions') )
			{
				foreach($role->permissions as $permission)
				{
					$permissions[$permission->getAttribute('name')] = true;
				}
			}

			$user->addHierarchy($name, $permissions, $opts, $parent);

			if($role->hasChildren('roles') )
			{
				$this->parseHierarchy($user, $role->roles, $name);
			}
		}
	}
}


?>