111 lines
2.2 KiB
PHP
111 lines
2.2 KiB
PHP
<?php
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namespace Appwrite\Storage;
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use Exception;
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class Storage
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{
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/**
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* Devices.
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*
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* List of all available storage devices
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*
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* @var array
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*/
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public static $devices = array();
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/**
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* Set Device.
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*
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* Add device by name
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*
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* @param string $name
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* @param Device $device
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*
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* @throws Exception
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*/
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public static function setDevice($name, Device $device)
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{
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self::$devices[$name] = $device;
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}
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/**
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* Get Device.
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*
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* Get device by name
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*
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* @param string $name
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*
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* @return Device
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*
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* @throws Exception
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*/
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public static function getDevice($name)
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{
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if (!\array_key_exists($name, self::$devices)) {
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throw new Exception('The device "'.$name.'" is not listed');
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}
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return self::$devices[$name];
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}
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/**
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* Exists.
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*
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* Checks if given storage name is registered or not
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*
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* @param string $name
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*
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* @return bool
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*/
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public static function exists($name)
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{
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return (bool) \array_key_exists($name, self::$devices);
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}
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/**
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* Human readable data size format from bytes input.
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*
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* Based on: https://stackoverflow.com/a/38659168/2299554
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*
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* @param int $bytes
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* @param int $decimals
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* @param string $system
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*
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* @return string
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*/
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public static function human(int $bytes, $decimals = 2, $system = 'metric')
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{
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$mod = ($system === 'binary') ? 1024 : 1000;
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$units = array(
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'binary' => array(
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'B',
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'KiB',
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'MiB',
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'GiB',
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'TiB',
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'PiB',
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'EiB',
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'ZiB',
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'YiB',
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),
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'metric' => array(
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'B',
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'kB',
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'MB',
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'GB',
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'TB',
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'PB',
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'EB',
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'ZB',
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'YB',
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),
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);
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$factor = floor((strlen($bytes) - 1) / 3);
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return sprintf("%.{$decimals}f%s", $bytes / pow($mod, $factor), $units[$system][$factor]);
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}
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} |