<?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' => false, 'dir' => getcwd() ], $config); $this->loadData(); parent::__construct(); } /** * Reload data from file * @return $this */ public function reload() { $this->loadData(true); return $this; } /** * 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 $thisurn $this */ public function delete($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 . $this->config['name']; if (!file_exists($this->db)) { return null; // Rebuild database manage by CMS } else { if ($this->config['backup']) { try { //todo make backup of database copy ($this->config['dir'] . DIRECTORY_SEPARATOR . $this->config['name'], $this->config['dir'] . DIRECTORY_SEPARATOR . $this->config['name'] . '.backup'); } catch (\Exception $e) { } } } $this->data = json_decode(file_get_contents($this->db), true); if (!$this->data === null) { throw new \InvalidArgumentException('Database file ' . $this->db . ' contains invalid json object. Please validate or remove file'); } } return $this->data; } /** * Save database */ public function save() { file_put_contents($this->db, json_encode($this->data, JSON_UNESCAPED_UNICODE|JSON_PRETTY_PRINT|LOCK_EX)); // Multi user get a locker } }