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/*
* This file is part of the ICanBoogie package.
*
* (c) Olivier Laviale <olivier.laviale@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace ICanBoogie\CLDR;
use ICanBoogie\Accessor\AccessorTrait;
use ICanBoogie\OffsetNotDefined;
/**
* A currency collection.
*
* ```php
* <?php
*
* $collection = new CurrencyCollection($repository);
*
* isset($collection['EUR']); // true
* isset($collection['USD']); // true
* isset($collection['ABC']); // false
*
* echo get_class($collection['EUR']); // ICanBoogie\CLDR\Currency
* echo $collection['EUR']->code; // EUR
* ```
*/
class CurrencyCollection implements \ArrayAccess
{
use AccessorTrait;
use RepositoryPropertyTrait;
use CollectionTrait;
/**
* @var Currency[]
*/
private $collection = [];
/**
* @param Repository $repository
*/
public function __construct(Repository $repository)
{
$this->repository = $repository;
}
/**
* Check if a currency is defined.
*
* @param string $currency_code
*
* @return bool `true` if the currency is defined, `false' otherwise.
*/
public function offsetExists($currency_code)
{
$data = $this->repository->supplemental['currencyData']['region'];
foreach ($data as $territory_code => $currencies)
{
foreach ($currencies as $currency_info)
{
$code = key($currency_info);
if ($code == $currency_code)
{
return true;
}
}
}
return false;
}
/**
* Return a currency.
*
* @param string $currency_code
*
* @throw OffsetNotDefined in attempt to obtain a currency that is not defined.
*
* @return Currency
*/
public function offsetGet($currency_code)
{
if (isset($this->collection[$currency_code]))
{
return $this->collection[$currency_code];
}
if (!$this->offsetExists($currency_code))
{
throw new OffsetNotDefined([ $currency_code, $this ]);
}
return $this->collection[$currency_code] = new Currency($this->repository, $currency_code);
}
}