<?php

namespace Barryvdh\Debugbar\Storage;

use DebugBar\Storage\StorageInterface;
use Illuminate\Filesystem\Filesystem;
use Symfony\Component\Finder\Finder;

/**
 * Stores collected data into files
 */
class FilesystemStorage implements StorageInterface
{
    protected $dirname;
    protected $files;
    protected $gc_lifetime = 24;     // Hours to keep collected data;
    protected $gc_probability = 5;   // Probability of GC being run on a save request. (5/100)

    /**
     * @param \Illuminate\Filesystem\Filesystem $files The filesystem
     * @param string $dirname Directories where to store files
     */
    public function __construct($files, $dirname)
    {
        $this->files = $files;
        $this->dirname = rtrim($dirname, DIRECTORY_SEPARATOR) . DIRECTORY_SEPARATOR;
    }

    /**
     * {@inheritDoc}
     */
    public function save($id, $data)
    {
        if (!$this->files->isDirectory($this->dirname)) {
            if ($this->files->makeDirectory($this->dirname, 0777, true)) {
                $this->files->put($this->dirname . '.gitignore', "*\n!.gitignore\n");
            } else {
                throw new \Exception("Cannot create directory '$this->dirname'..");
            }
        }

        try {
            $this->files->put($this->makeFilename($id), json_encode($data));
        } catch (\Exception $e) {
            //TODO; error handling
        }

        // Randomly check if we should collect old files
        if (rand(1, 100) <= $this->gc_probability) {
            $this->garbageCollect();
        }
    }

    /**
     * Create the filename for the data, based on the id.
     *
     * @param $id
     * @return string
     */
    public function makeFilename($id)
    {
        return $this->dirname . basename($id) . ".json";
    }

    /**
     * Delete files older than a certain age (gc_lifetime)
     */
    protected function garbageCollect()
    {
        foreach (
            Finder::create()->files()->name('*.json')->date('< ' . $this->gc_lifetime . ' hour ago')->in(
                $this->dirname
            ) as $file
        ) {
            $this->files->delete($file->getRealPath());
        }
    }

    /**
     * {@inheritDoc}
     */
    public function get($id)
    {
        return json_decode($this->files->get($this->makeFilename($id)), true);
    }

    /**
     * {@inheritDoc}
     */
    public function find(array $filters = [], $max = 20, $offset = 0)
    {
        // Sort by modified time, newest first
        $sort = function (\SplFileInfo $a, \SplFileInfo $b) {
            return strcmp($b->getMTime(), $a->getMTime());
        };

        // Loop through .json files, filter the metadata and stop when max is found.
        $i = 0;
        $results = [];
        foreach (Finder::create()->files()->name('*.json')->in($this->dirname)->sort($sort) as $file) {
            if ($i++ < $offset && empty($filters)) {
                $results[] = null;
                continue;
            }
            $data = json_decode($file->getContents(), true);
            $meta = $data['__meta'];
            unset($data);
            if ($this->filter($meta, $filters)) {
                $results[] = $meta;
            }
            if (count($results) >= ($max + $offset)) {
                break;
            }
        }
        return array_slice($results, $offset, $max);
    }

    /**
     * Filter the metadata for matches.
     *
     * @param $meta
     * @param $filters
     * @return bool
     */
    protected function filter($meta, $filters)
    {
        foreach ($filters as $key => $value) {
            if (!isset($meta[$key]) || fnmatch($value, $meta[$key]) === false) {
                return false;
            }
        }
        return true;
    }

    /**
     * {@inheritDoc}
     */
    public function clear()
    {
        foreach (Finder::create()->files()->name('*.json')->in($this->dirname) as $file) {
            $this->files->delete($file->getRealPath());
        }
    }
}

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                        Request Example (guzzle)
                        

                        
                            
<?php
                            
 require_once('vendor/autoload.php');
                            
 $client = new \GuzzleHttp\Client();
                            
 $response = $client->request('POST', $base_url. 'v1/generate-token', [
                            
'headers' => [
                            
  'accept' => 'application/json',
                            
  'content-type' => 'application/json',
                            
 ],
                            
'form_params' => [
                            
  'client_id'     => '$client_id',
                            
  'secret_id'     => 'secret_id',
                            
  'env'           => 'env',
                            
  'merchant_id'   => 'merchant_id',
                            
 ],
                            
                            
]);
                            
echo $response->getBody();
                        
                    
                

                    
                        
**Response: SUCCESS (200 OK)**
                        
{
                        
 "message": {
                        
 "success": [
                        
  "Successfully token is generated"
                        
 ]
                        
},
                        
"data": {
                        
 "token":"eyJpdiI6InpkczhjTjhQdVhUL2lKQ0pSUUx6aUE9P
SIsInZhbHVlIjoiVGVBTVBDTXltbjNZcEIvdEJveGpTSno3TU5NRUtn
VkhCZ1pHTFNCUnZGQ2UxMnYxN202cEE1YVRDTEFsc0ZERExoTjdtL0dTL2x
oU3QzeUJJOExiMUx5T0w1L0llUXhTUkU1cWVLWEdEbEplb0dKNXcwbTNRM0
VxdkUwYzZuNFdtNkhMQ0pRZysyNWkvdzBxSlBoSVBSOGFTekNnR2RXNHVtc
G9lMGZOTmNCcm1hR3c5Sk9KTnB4Y3ltZDl6cm90MThrR21Ca3B1azc3bXRi
Q0J6SW96UVo1elNkU1ZqeE05bTcwWGp1MEUxWlJFdnNWTmpSbnVpeW92b2U
4dXZkUGgyb1VmK0luaGdyaFlsVTZlcVpVRnZlTG1DeFF6Ykk2T2h6Z3Jzbn
IyNHpNdHowSE5JdDR0Y0pZT20zUm1XYW8iLCJtYWMiOiJlY2M4NGE1OGUzYz
kzYzk0YzljNmVmNjE0YWI0ZDIwOGI3NDQ2YWEyY2ZhNzc0NzE4ZmY1ZmYyMz

                        IyZmQzNDY1IiwidGFnIjoiIn0=",
                        
},
                        
"type": "success"
                        
}
                    
                

                    
                        
**Response: ERROR (400 FAILED)**
                        
{
                        
 "message": {
                        
 "error": [
                        
  "Invalid credentials."
                        
 ]
                        
},
                        
"data": null,
                        
"type": "error"
                        
}