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<?php
/**
* Created by PhpStorm.
* User: Andrey Mistulov
* Company: Aristos
* Date: 14.03.2017
* Time: 15:25
*/
namespace Prowebcraft;
/**
* Class Data
* @package Aristos
*/
class JsonDb extends \Prowebcraft\Dot
{
protected $db = '';
protected $data = null;
protected $config = [];
public function __construct($config = [])
{
$this->config = array_merge([
'name' => 'data.json',
'backup' => 5,
'dir' => getcwd(),
'template' => getcwd() . DIRECTORY_SEPARATOR . 'data.template.json'
], $config);
$this->loadData();
parent::__construct();
}
/**
* Set value or array of values to path
*
* @param mixed $key Path or array of paths and values
* @param mixed|null $value Value to set if path is not an array
* @param bool $save Save data to database
* @return $this
*/
public function set($key, $value = null, $save = true)
{
parent::set($key, $value);
if ($save) $this->save();
return $this;
}
/**
* Add value or array of values to path
*
* @param mixed $key Path or array of paths and values
* @param mixed|null $value Value to set if path is not an array
* @param boolean $pop Helper to pop out last key if value is an array
* @param bool $save Save data to database
* @return $this
*/
public function add($key, $value = null, $pop = false, $save = true)
{
parent::add($key, $value, $pop);
if ($save) $this->save();
return $this;
}
/**
* Delete path or array of paths
*
* @param mixed $key Path or array of paths to delete
* @param bool $save Save data to database
* @return $this
*/
public function delete($key, $save = true)
{
parent::delete($key);
if ($save) $this->save();
return $this;
}
/**
* Delete all data, data from path or array of paths and
* optionally format path if it doesn't exist
*
* @param mixed|null $key Path or array of paths to clean
* @param boolean $format Format option
* @param bool $save Save data to database
* @return $this
*/
public function clear($key = null, $format = false, $save = true)
{
parent::clear($key, $format);
if ($save) $this->save();
return $this;
}
/**
* Local database upload
* @param bool $reload Reboot data?
* @return array|mixed|null
*/
protected function loadData($reload = false) {
if ($this->data === null || $reload) {
// $this->db = $this->config['dir'] . DIRECTORY_SEPARATOR . $this->config['name'];
$this->db = $this->config['dir'] . $this->config['name'];
if (!file_exists($this->db)) {
return null;
} else {
$this->data = json_decode(file_get_contents($this->db), true);
if (!$this->data === null) {
throw new \InvalidArgumentException('Erreur de lecture du fichier de données ' . $this->db);
}
}
}
return $this->data;
}
/**
* Saving to local database
*/
public function save() {
// 3 essais
for($i = 0; $i < 4; $i++) {
if(file_put_contents($this->db, json_encode($this->data, JSON_UNESCAPED_UNICODE|JSON_PRETTY_PRINT|LOCK_EX)) !== false) {
break;
}
// Pause de 10 millisecondes
usleep(10000);
if ($i === 4) {
throw new \InvalidArgumentException('Erreur d\'écriture du fichier de données ' . $this->db);
}
}
}
}