<?php
namespace BotMan\BotMan\Storages\Drivers;
use BotMan\BotMan\Interfaces\StorageInterface;
use Illuminate\Support\Collection;
class FileStorage implements StorageInterface
{
/** @var string */
private $path;
public function __construct($path = '')
{
$this->path = $path;
}
/**
* @param $key
* @return string
*/
protected function getFilename($key)
{
return $this->path.DIRECTORY_SEPARATOR.$key.'.json';
}
/**
* Save an item in the storage with a specific key and data.
*
* @param array $data
* @param string $key
*/
public function save(array $data, $key)
{
$file = $this->getFilename($key);
$saved = $this->get($key)->merge($data);
if (! is_dir(dirname($file))) {
mkdir(dirname($file), 0777, true);
}
file_put_contents($file, json_encode($saved->all()));
}
/**
* Retrieve an item from the storage by key.
*
* @param string $key
* @return Collection
*/
public function get($key)
{
$file = $this->getFilename($key);
$data = [];
if (file_exists($file)) {
$data = json_decode(file_get_contents($file), true);
}
return Collection::make($data);
}
/**
* Delete a stored item by its key.
*
* @param string $key
*/
public function delete($key)
{
$file = $this->getFilename($key);
if (file_exists($file)) {
unlink($file);
}
}
/**
* Return all stored entries.
*
* @return array
*/
public function all()
{
$keys = glob($this->path.'/*.json');
$data = [];
foreach ($keys as $key) {
$data[] = $this->get(basename($key, '.json'));
}
return $data;
}
}