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<?php
namespace OCA\Carnet\Misc;
use OCP\IDBConnection;
use OCA\Carnet\Misc\NoteUtils;
class CacheManager{
private $db;
private $carnetFolder;
public function __construct(IDBConnection $db, $carnetFolder) {
$this->db = $db;
$this->carnetFolder = $carnetFolder;
}
public function addToCache($relativePath, $metadata, $lastmodfile, $text){
$this->addToCacheFullPath($this->carnetFolder->getFullPath($relativePath), $metadata, $lastmodfile, $text);
}
public function addToCacheFullPath($fullPath, $metadata, $lastmodfile, $text){
if(isset($metadata['text']))
unset($metadata['text']);
$low_case_text = strtolower(NoteUtils::removeAccents($text));
$sql = 'INSERT into `*PREFIX*carnet_metadata` VALUES(?, ?, ?, ?)';
$stmt = $this->db->prepare($sql);
$stmt->bindParam(1, $fullPath, \PDO::PARAM_STR);
if(!is_string($metadata))
$metadata = json_encode($metadata);
$stmt->bindParam(2, $metadata, \PDO::PARAM_STR);
$stmt->bindParam(3, $lastmodfile, \PDO::PARAM_INT);
$stmt->bindParam(4, $low_case_text, \PDO::PARAM_STR);
try{
$stmt->execute();
}
catch(\Doctrine\DBAL\Exception\UniqueConstraintViolationException $ex){
$sql = 'UPDATE `*PREFIX*carnet_metadata` SET `metadata` = ?, `last_modification_file` = ?, `low_case_text` = ? WHERE `path` = ?';
$stmt = $this->db->prepare($sql);
$stmt->bindParam(1, $metadata, \PDO::PARAM_STR);
$stmt->bindParam(2, $lastmodfile, \PDO::PARAM_INT);
$stmt->bindParam(3, $low_case_text, \PDO::PARAM_STR);
$stmt->bindParam(4, $fullPath, \PDO::PARAM_STR);
$stmt->execute();
}
}
public function buildCache($config, $appName, $rootFolder, $users){
$arrayFolder = array();
$sql = 'SELECT path, last_modification_file FROM `*PREFIX*carnet_metadata`';
$stmt = $this->db->prepare($sql);
$stmt->execute();
$cache = array();
$fetched = $stmt->fetchAll();
foreach ($fetched as $row){
$cache[$row['path']] = $row['last_modification_file'];
}
$stmt->closeCursor();
foreach($users as $user){
$notePath = $config->getUserValue($user, $appName, "note_folder");
if(empty($notePath))
$notePath= NoteUtils::$defaultCarnetNotePath;
try {
echo $notePath."pet";
$carnetFolder = $rootFolder->getUserFolder($user)->get($notePath);
$this->recursiveAddToCache($carnetFolder, $carnetFolder, $cache);
} catch(\OCP\Files\NotFoundException $e) {
}
}
}
private function recursiveAddToCache($carnetFolder, $node, $cache){
if($node instanceof \OCP\Files\Folder){
foreach($node->getDirectoryListing() as $inNode){
echo $inNode->getPath()."\n";
$this->recursiveAddToCache($carnetFolder, $inNode, $cache);
}
} else if(substr($node->getName(), -3) === "sqd"){
$inf = $node->getFileInfo();
if($cache[$node->getPath()] != null && $inf->getMtime() == $cache[$node->getPath()]){
return;
}
$utils = new NoteUtils();
try{
$relativePath = substr($node->getPath(), strlen($carnetFolder->getPath()));
if(substr($relativePath, 0, 1) === "/")
$relativePath = substr($relativePath, 1);
$meta = $utils->getMetadata($carnetFolder, $relativePath);
$text = $meta['text'];
$this->addToCacheFullPath($node->getPath(), $meta, $meta['lastmodfile'], $text);
} catch(\PhpZip\Exception\ZipException $e){
} catch(\OCP\Encryption\Exceptions\GenericEncryptionException $e){
}
}
}
public function deleteFromCache($relativePath){
$sql = 'DELETE FROM `*PREFIX*carnet_metadata` WHERE `path` = ?';
$stmt = $this->db->prepare($sql);
$param = $this->carnetFolder->getFullPath($relativePath);
$stmt->bindParam(1, $param, \PDO::PARAM_STR);
$stmt->execute();
}
public function getFromCache($arrayRelativePath){
return $this->getFromCache2($arrayRelativePath, false);
}
public function getFromCache2($arrayRelativePath, $withLowCaseText){
$total = 0;
$array = array();
while($total < sizeof($arrayRelativePath)){
$arrayFullPath = array();
$sql = 'SELECT * FROM `*PREFIX*carnet_metadata` ' .
'WHERE ';
for($i = $total; $i < sizeof($arrayRelativePath); $i++){
$sql .= "`path` = ? ";
array_push($arrayFullPath, $this->carnetFolder->getFullPath($arrayRelativePath[$i]));
if($i < sizeof($arrayRelativePath)-1 && $i - $total < 100)
$sql .= "OR ";
if($i - $total == 100)
break;
}
$total = $total + 100;
$stmt = $this->db->prepare($sql);
$stmt->execute($arrayFullPath);
$fetched = $stmt->fetchAll();
foreach ($fetched as $row){
$metadata = json_decode($row['metadata'], true);
$item = array();
if(!$withLowCaseText){
$item = $metadata;
} else {
$item['metadata'] = $metadata;
$item['low_case_text'] = $row['low_case_text'];
}
$array[substr($row['path'], strlen($this->carnetFolder->getPath())+1)] = $item;
}
$stmt->closeCursor();
}
return $array;
}
public function search($query){
$arrayFullPath = array();
$sql = 'SELECT * FROM `*PREFIX*carnet_metadata` ' .
'WHERE path LIKE ? AND (metadata LIKE ? OR low_case_text LIKE ?)';
$args = array();
array_push($args, $this->carnetFolder->getPath()."/%");
array_push($args, "%".$query."%");
array_push($args, "%".$query."%");
$stmt = $this->db->prepare($sql);
$stmt->execute($args);
$array = array();
$fetched = $stmt->fetchAll();
foreach ($fetched as $row){
$array[substr($row['path'], strlen($this->carnetFolder->getPath())+1)] = json_decode($row['last_modification_file']);
}
$stmt->closeCursor();
return $array;
}
}
?>
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