/**
* @param array $indexManagers The list of index managers defined
* @param DocumentLocator $documentLocator For finding documents.
* @param DocumentParser $parser For reading document annotations.
* @param Cache $cache For caching documents metadata
* @param bool $debug
*/
public function __construct(array $indexManagers, DocumentLocator $documentLocator, DocumentParser $parser, Cache $cache, $debug = false)
{
$this->indexManagers = $indexManagers;
$this->documentLocator = $documentLocator;
$this->parser = $parser;
$this->cache = $cache;
$this->debug = (bool) $debug;
// Gets the time when the documents' folders were last modified
$documentDirs = $this->documentLocator->getAllDocumentDirs();
foreach ($documentDirs as $dir) {
$this->documentsLastModifiedTime = max($this->documentsLastModifiedTime, filemtime($dir));
}
$this->metadata = $this->cache->fetch(self::DOCUMENTS_CACHE_KEY);
// If there was metadata in the cache
if (false !== $this->metadata) {
// If in debug mode and the cache has expired, don't use it
if ($this->debug && !$this->isDocumentsCacheFresh()) {
$this->metadata = false;
}
}
// If there was no cached metadata, retrieve it now
if (false === $this->metadata) {
$this->fetchDocumentsMetadata();
}
}
/**
* Returns true if metadata cache is up to date
*
* @return bool
*/
private function isCacheFresh()
{
$documentDirs = $this->documentLocator->getAllDocumentDirs();
foreach ($documentDirs as $dir) {
$isFresh = $this->cache->fetch('[C]' . self::CACHE_KEY) >= filemtime($dir);
if (!$isFresh) {
return false;
}
}
return true;
}
/**
* Tests getAllDocumentDirs
*/
public function testGetAllDocumentDirs()
{
$this->assertEquals(2, count($this->locator->getAllDocumentDirs()));
}
