<?php
declare(strict_types=1);
namespace frdlweb\Api\Rpc;
use Opis\JsonSchema\Loaders\File;
use Opis\JsonSchema\Schema;
class SchemaLoader extends File
{
/** @var string[] */
protected $dirs;
/** @var string */
protected $prefix;
/** @var int */
protected $prefixLength;
protected $cacheDir;
/**
* File constructor.
* @param string $prefix
* @param string[] $dirs
*/
public function __construct(string $prefix = '', array $dirs,string $cacheDir = null)
{
$this->dirs = $dirs;
$this->prefix = $prefix;
$this->prefixLength = strlen($prefix);
if(!$cacheDir){
$cacheDir = sys_get_temp_dir() . \DIRECTORY_SEPARATOR . get_current_user(). \DIRECTORY_SEPARATOR . 'json-schema-store' . \DIRECTORY_SEPARATOR;
}
$this->cacheDir = $cacheDir;
}
public function prueCache(int $limit = 86400, $removeDir = false, $skipDotFiles = true){
return \webfan\hps\patch\Fs::pruneDir($this->cacheDir, $limit, $skipDotFiles, $removeDir);
}
public function filepath($uri){
$path = str_replace(['http://', 'https://', '/'], ['','',\DIRECTORY_SEPARATOR], $uri);
return rtrim($this->cacheDir, \DIRECTORY_SEPARATOR.'/ ').\DIRECTORY_SEPARATOR.$path;
}
/**
* @inheritDoc
*/
public function loadSchema(string $uri)
{
if (isset($this->schemas[$uri])) {
return $this->schemas[$uri];
}
if ($this->prefixLength !== 0 && strpos($uri, $this->prefix) !== 0) {
return null;
}
$path = substr($uri, $this->prefixLength);
$schema = null;
$cacheFile = $this->filepath($uri);
if(file_exists($cacheFile) && is_file($cacheFile)){
$schema = json_decode(file_get_contents($cacheFile), false);
$schema = new Schema($schema, $uri);
}
if(null === $schema){
foreach ($this->dirs as $dir) {
if (file_exists($dir . $path)) {
$schema = json_decode(file_get_contents($dir . $path), false);
$schema = new Schema($schema, $uri);
break;
}
}
}
if(null === $schema){
$c = file_get_contents($uri);
if(false!==$c){
if(!is_dir(dirname($cacheFile))){
mkdir($cacheFile, 0755, true);
}
file_put_contents($cacheFile, $c);
$schema = json_decode($c, false);
$schema = new Schema($schema, $uri);
}
}
$this->schemas[$uri] = $schema;
return $schema;
}
}
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