161 lines
4.3 KiB
PHP
161 lines
4.3 KiB
PHP
<?php
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/**
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* Created by PhpStorm.
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* User: Andrey Mistulov
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* Company: Aristos
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* Date: 14.03.2017
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* Time: 15:25
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*/
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namespace Prowebcraft;
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/**
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* Class Data
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* @package Aristos
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*/
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class JsonDb extends \Prowebcraft\Dot
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{
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protected $db = '';
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protected $data = null;
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protected $config = [];
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public function __construct($config = [])
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{
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$this->config = array_merge([
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'name' => 'data.json',
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'backup' => false,
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'dir' => getcwd()
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], $config);
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$this->loadData();
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parent::__construct();
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}
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/**
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* Reload data from file
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* @return $this
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*/
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public function reload()
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{
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$this->loadData(true);
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return $this;
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}
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/**
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* Set value or array of values to path
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*
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* @param mixed $key Path or array of paths and values
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* @param mixed|null $value Value to set if path is not an array
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* @param bool $save Save data to database
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* @return $this
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*/
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public function set($key, $value = null, $save = true)
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{
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parent::set($key, $value);
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if ($save)
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$this->save();
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return $this;
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}
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/**
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* Add value or array of values to path
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*
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* @param mixed $key Path or array of paths and values
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* @param mixed|null $value Value to set if path is not an array
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* @param boolean $pop Helper to pop out last key if value is an array
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* @param bool $save Save data to database
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* @return $this
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*/
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public function add($key, $value = null, $pop = false, $save = true)
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{
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parent::add($key, $value, $pop);
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if ($save)
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$this->save();
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return $this;
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}
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/**
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* Delete path or array of paths
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*
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* @param mixed $key Path or array of paths to delete
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* @param bool $save Save data to database
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* @return $thisurn $this
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*/
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public function delete($key, $save = true)
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{
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parent::delete($key);
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if ($save)
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$this->save();
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return $this;
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}
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/**
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* Delete all data, data from path or array of paths and
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* optionally format path if it doesn't exist
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*
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* @param mixed|null $key Path or array of paths to clean
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* @param boolean $format Format option
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* @param bool $save Save data to database
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* @return $this
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*/
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public function clear($key = null, $format = false, $save = true)
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{
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parent::clear($key, $format);
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if ($save)
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$this->save();
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return $this;
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}
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/**
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* Local database upload
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* @param bool $reload Reboot data?
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* @return array|mixed|null
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*/
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protected function loadData($reload = false)
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{
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if ($this->data === null || $reload) {
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$this->db = $this->config['dir'] . $this->config['name'];
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if (!file_exists($this->db)) {
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return null; // Rebuild database manage by CMS
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} else {
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if ($this->config['backup']) {
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try {
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//todo make backup of database
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copy($this->config['dir'] . DIRECTORY_SEPARATOR . $this->config['name'], $this->config['dir'] . DIRECTORY_SEPARATOR . $this->config['name'] . '.backup');
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} catch (\Exception $e) {
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}
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}
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}
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$this->data = json_decode(file_get_contents($this->db), true);
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if (!$this->data === null && json_last_error() !== JSON_ERROR_NONE) {
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throw new \InvalidArgumentException('Database file ' . $this->db
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. ' contains invalid json object. Please validate or remove file');
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}
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}
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return $this->data;
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}
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/**
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* Save database
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*/
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public function save()
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{
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$v = json_encode($this->data, JSON_UNESCAPED_UNICODE | JSON_FORCE_OBJECT);
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$l = strlen($v);
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$t = 0;
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while ($t < 5) {
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$w = file_put_contents($this->db, $v); // Multi user get a locker
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if ($w == $l) {
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break;
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}
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$t++;
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}
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if ($w !== $l) {
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error_log('Erreur d\'écriture, les données n\'ont pas été sauvegardées.');
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exit('Erreur d\'écriture, les données n\'ont pas été sauvegardées.');
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}
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}
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} |