/**
*
* @return waInstallerRequirements
*/
private static function getInstance()
{
if (!self::$instance) {
self::$instance = new self();
}
return self::$instance;
}
/**
*
* @param $requirements
* @param $update_config
* @return boolean
*/
public static function checkRequirements(&$requirements, $update_config = false, $action = false)
{
if (is_null($requirements)) {
$requirements = self::getRequirements('wa-installer/lib/config/requirements.php', 'installer');
}
$passed = true;
$config = array();
$actions = array(self::ACTION_CRITICAL_UPDATE, self::ACTION_UPDATE, self::ACTION_INSTALL);
$update = $action && in_array($action, $actions);
foreach ($requirements as $subject => &$requirement) {
$requirement['passed'] = false;
$requirement['note'] = null;
$requirement['warning'] = false;
$requirement['update'] = $update;
waInstallerRequirements::test($subject, $requirement);
$passed = $requirement['passed'] && $passed;
if ($update_config && isset($requirement['config'])) {
$config[$requirement['config']] = $requirement['value'];
}
if ($requirement['note'] && isset($requirement['allow_skip']) && $requirement['allow_skip']) {
unset($requirement);
unset($requirements[$subject]);
} else {
unset($requirement);
}
}
if ($update_config) {
try {
self::updateGenericConfig($config);
} catch (Exception $e) {
$requirements[] = array('name' => '', 'passed' => false, 'warning' => $e->getMessage(), 'description' => '', 'note' => '');
$passed = false;
}
}
return $passed;
}
