156 lines
4.5 KiB
PHP
Executable File
156 lines
4.5 KiB
PHP
Executable File
<?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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//'template' => getcwd() . DIRECTORY_SEPARATOR . 'data.template.json'
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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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* 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) $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) $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 $this
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*/
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public function delete($key, $save = true)
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{
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parent::delete($key);
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if ($save) $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) $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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if ($this->data === null || $reload) {
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// $this->db = $this->config['dir'] . DIRECTORY_SEPARATOR . $this->config['name'];
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$this->db = $this->config['dir'] . $this->config['name'];
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if (!file_exists($this->db)) {
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return null;
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} else {
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// 3 essais
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for($i = 0; $i <3; $i++) {
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if ($this->data = json_decode(@file_get_contents($this->db), true) ) {
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break;
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}
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// Pause de 10 millisecondes
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usleep(10000);
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}
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// Gestion de l'erreur
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if (!$this->data === null) {
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exit ('JsonDB : Erreur de lecture du fichier de données ' . $this->db .'. Aucune donnée lisible, essayez dans quelques instants ou vérifiez le système de fichiers.');
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}
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}
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}
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return $this->data;
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}
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/**
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* Saving to local database
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*/
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public function save() {
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// Fichier inexistant, le créer
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if ( !file_exists($this->db) ) {
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touch($this->db);
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}
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// Backup file
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if ($this->config['backup']) {
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copy ($this->db, $this->db . '.back');
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}
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if ( is_writable($this->db) ) {
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// 3 essais
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for($i = 0; $i < 3; $i++) {
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if( @file_put_contents($this->db, json_encode($this->data, JSON_UNESCAPED_UNICODE|JSON_PRETTY_PRINT|LOCK_EX)) !== false) {
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break;
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}
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// Pause de 10 millisecondes
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usleep(10000);
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}
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if ($i === 2) {
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exit ('Jsondb : Erreur d\'écriture dans le fichier de données ' . $this->db . '. Vérifiez le système de fichiers.' );
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}
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} else {
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exit ('Jsondb : Écriture interdite dans le fichier de données ' . $this->db .'. Vérifiez les permissions.' );
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}
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}
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}
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