/**
* handle the view layer
*
* @param string $class current requested controller class
* @param string $method current requested controller method or action
* @param array $data array containing all data to be assigned to view
* @param \Alchemy\Annotation\Annotation $annotation object containing information about view object
* @throws \Exception
* @return \Alchemy\Mvc\ViewInterface $view The create view object
*/
protected function handleView($class, $method, $data, $annotation)
{
// check if a @view definition exists on method's annotations
if (empty($annotation)) {
return null;
// no @view annotation found, just return to break view handling
}
$annotation->prepare();
$template = $annotation->template;
// check if template filename is empty
if (empty($template)) {
// that means the annotation "@view" was not set
// Then we compose a template filename using controller class and method names but
// removing ...Controller & ..Action suffixes from those names
$nsSepPos = strrpos($class, '\\');
$class = preg_replace('/([A-Z])/', '_$1', substr($class, $nsSepPos + 1, -10));
$class = strtolower(ltrim($class, "_"));
$method = substr($method, 0, -6);
$template = $class . DS . $method;
}
$view = $this->createView($template, $data, $annotation->engine);
$registeredVars = array();
// for javascript annotated
if ($registerAnnotation = $this->annotationReader->getAnnotation('RegisterJavascript')) {
$registeredVars = $registerAnnotation->all();
$publicBasePath = $this->config->get('app.public_dir') . DS;
$sourceBasePath = $this->config->get('app.view_scripts_javascript_dir') . DS;
$jsBaseUrl = 'assets/cache/';
foreach ($registeredVars as $i => $jsFile) {
if (!file_exists($sourceBasePath . $jsFile)) {
throw new \Exception(sprintf("File Not Found Error: File %s doesn't exist!.", $jsFile));
}
$jsPath = substr($jsFile, 0, strrpos($jsFile, DS));
$fileSum = md5_file($sourceBasePath . $jsFile);
$jsCacheFile = rtrim($jsFile, '.js') . '-' . $fileSum . '.js';
// verify if the source file was modified since last cache generated version
if (!is_file($publicBasePath . $jsBaseUrl . $jsCacheFile)) {
if (!is_dir($publicBasePath . $jsBaseUrl . $jsPath)) {
self::createDir($publicBasePath . $jsBaseUrl . $jsPath);
}
// clean up -! Remove old cache file
$oldCacheFiles = glob($publicBasePath . $jsBaseUrl . rtrim($jsFile, '.js') . '-*');
if (count($oldCacheFiles) > 0) {
foreach ($oldCacheFiles as $oldCacheFile) {
@unlink($oldCacheFile);
}
}
// TODO copy a minified version instead a normal copy, it depends if it is a debug env.
copy($sourceBasePath . $jsFile, $publicBasePath . $jsBaseUrl . $jsCacheFile);
}
// adding the new js file path to assign as variable to view object
$registeredVars[$i] = $jsBaseUrl . $jsCacheFile;
}
}
// end javascript registration
// registering variables
$view->assign('javascript', $registeredVars);
return $view;
}