AliceClass/php/library/json-db.class.php

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2024-08-06 10:42:22 -03:00
<?php
/***
* DB
* A simple json db class
*/
class DB
{
private $path = '';
private $db = [];
/**
* CONSTRUCTOR
*
* @param $path: string (default 'db.json')
*/
public function __construct($path = "db.json"){
$this->path = $path;
if(!file_exists($path)){
// If the .json extension is not provided, append it
if(strpos($path, '.json') === false){ $path .= '.json'; }
$fp = fopen($path,"wb");
fwrite($fp, "{}");
fclose($fp);
}
// Get the contect of the current path
$this->db = json_decode(file_get_contents($path), false, 512, JSON_UNESCAPED_UNICODE);
}
/**
* SAVE
* Save the new db
*/
private function save(){
$json = ($this->db === "{}") ? $this->db : json_encode($this->db, JSON_UNESCAPED_UNICODE);
file_put_contents($this->path, $json);
}
/**
* INSERT
*
* @param $data: array
* @param $key: string (optional)
*
* @return DB
*/
public function insert($data, $key = ""){
if($key !== "")
$this->db[$key] = $data;
else
$this->db[] = $data;
$this->save();
return $this;
}
/**
* UPDATE
*
* @param $data: array
* @param $key: string
*
* @return DB
*/
public function update($data, $key){
if($key !== "")
$update = array_merge($this->db[$key], $data);
$this->db[$key] = $update;
$this->save();
return $this;
}
/**
* DELETE
*
* @param $key: string
*
* @return DB
*/
public function delete($key){
unset($this->db[$key]);
$this->save();
return $this;
}
/**
* GET SINGLE
*
* @param $key: string
*
* @return array
*/
public function getSingle($key){
return $this->db[$key] ?? null;
}
/**
* GET LIST
*
* @param $conditions: array (optional)
* @param $orderBy: array (optional)
*
* @return array
*/
public function getList($conditions = [], $orderBy = []){
$result = [];
if(empty($conditions)){
$result = $this->db;
}else{
foreach($this->db as $key => $value){
$requirements = true;
foreach($conditions as $k => $v){
if($value[$k] !== $v){
$requirements = false;
}
}
if($requirements) $result[$key] = $value;
}
}
if($orderBy['on'] !== '' && $orderBy['order'] !== ''){
usort($result, function($first, $second) use($orderBy){
if($orderBy['order'] === "ASC"){
return strcmp($first[$orderBy['on']], $second[$orderBy['on']]) > 0;
}else{
return strcmp($first[$orderBy['on']], $second[$orderBy['on']]) < 0;
}
});
}
return $result;
}
/**
* CLEAR
*
* @return DB
*/
public function clear(){
$this->db = "{}";
$this->save();
return $this;
}
}
?>