Test project for media files management.
<?php
namespace Illuminate\Cache;
use Illuminate\Contracts\Cache\Store;
class TagSet
{
/**
* The cache store implementation.
*
* @var \Illuminate\Contracts\Cache\Store
*/
protected $store;
/**
* The tag names.
*
* @var array
*/
protected $names = [];
/**
* Create a new TagSet instance.
*
* @param \Illuminate\Contracts\Cache\Store $store
* @param array $names
* @return void
*/
public function __construct(Store $store, array $names = [])
{
$this->store = $store;
$this->names = $names;
}
/**
* Reset all tags in the set.
*
* @return void
*/
public function reset()
{
array_walk($this->names, [$this, 'resetTag']);
}
/**
* Reset the tag and return the new tag identifier.
*
* @param string $name
* @return string
*/
public function resetTag($name)
{
$this->store->forever($this->tagKey($name), $id = str_replace('.', '', uniqid('', true)));
return $id;
}
/**
* Flush all the tags in the set.
*
* @return void
*/
public function flush()
{
array_walk($this->names, [$this, 'flushTag']);
}
/**
* Flush the tag from the cache.
*
* @param string $name
*/
public function flushTag($name)
{
$this->store->forget($this->tagKey($name));
}
/**
* Get a unique namespace that changes when any of the tags are flushed.
*
* @return string
*/
public function getNamespace()
{
return implode('|', $this->tagIds());
}
/**
* Get an array of tag identifiers for all of the tags in the set.
*
* @return array
*/
protected function tagIds()
{
return array_map([$this, 'tagId'], $this->names);
}
/**
* Get the unique tag identifier for a given tag.
*
* @param string $name
* @return string
*/
public function tagId($name)
{
return $this->store->get($this->tagKey($name)) ?: $this->resetTag($name);
}
/**
* Get the tag identifier key for a given tag.
*
* @param string $name
* @return string
*/
public function tagKey($name)
{
return 'tag:'.$name.':key';
}
/**
* Get all of the tag names in the set.
*
* @return array
*/
public function getNames()
{
return $this->names;
}
}