<?php
namespace CommerceGuys\Intl\Country;
use CommerceGuys\Intl\LocaleResolverTrait;
use CommerceGuys\Intl\Exception\UnknownCountryException;
/**
* Manages countries based on JSON definitions.
*/
class CountryRepository implements CountryRepositoryInterface
{
use LocaleResolverTrait;
/**
* Base country definitions.
*
* Contains data common to all locales, such as the country numeric,
* three-letter, currency codes.
*
* @var array
*/
protected $baseDefinitions = [];
/**
* Per-locale country definitions.
*
* @var array
*/
protected $definitions = [];
/**
* Creates a CountryRepository instance.
*
* @param string $definitionPath The path to the country definitions.
* Defaults to 'resources/country'.
*/
public function __construct($definitionPath = null)
{
$this->definitionPath = $definitionPath ? $definitionPath : __DIR__ . '/../../resources/country/';
}
/**
* {@inheritdoc}
*/
public function get($countryCode, $locale = null, $fallbackLocale = null)
{
$locale = $this->resolveLocale($locale, $fallbackLocale);
$definitions = $this->loadDefinitions($locale);
if (!isset($definitions[$countryCode])) {
throw new UnknownCountryException($countryCode);
}
return $this->createCountryFromDefinition($countryCode, $definitions[$countryCode], $locale);
}
/**
* {@inheritdoc}
*/
public function getAll($locale = null, $fallbackLocale = null)
{
$locale = $this->resolveLocale($locale, $fallbackLocale);
$definitions = $this->loadDefinitions($locale);
$countries = [];
foreach ($definitions as $countryCode => $definition) {
$countries[$countryCode] = $this->createCountryFromDefinition($countryCode, $definition, $locale);
}
return $countries;
}
/**
* {@inheritdoc}
*/
public function getList($locale = null, $fallbackLocale = null)
{
$locale = $this->resolveLocale($locale, $fallbackLocale);
$definitions = $this->loadDefinitions($locale);
$list = [];
foreach ($definitions as $countryCode => $definition) {
$list[$countryCode] = $definition['name'];
}
return $list;
}
/**
* Loads the country definitions for the provided locale.
*
* @param string $locale The desired locale.
*
* @return array
*/
protected function loadDefinitions($locale)
{
if (!isset($this->definitions[$locale])) {
$filename = $this->definitionPath . $locale . '.json';
$this->definitions[$locale] = json_decode(file_get_contents($filename), true);
// Make sure the base definitions have been loaded.
if (empty($this->baseDefinitions)) {
$this->baseDefinitions = json_decode(file_get_contents($this->definitionPath . 'base.json'), true);
}
// Merge-in base definitions.
foreach ($this->definitions[$locale] as $countryCode => $definition) {
$this->definitions[$locale][$countryCode] += $this->baseDefinitions[$countryCode];
}
}
return $this->definitions[$locale];
}
/**
* Creates a country object from the provided definition.
*
* @param string $countryCode The country code.
* @param array $definition The country definition.
* @param string $locale The locale of the country definition.
*
* @return Country
*/
protected function createCountryFromDefinition($countryCode, array $definition, $locale)
{
$country = new Country();
$setValues = \Closure::bind(function ($countryCode, $definition, $locale) {
$this->countryCode = $countryCode;
$this->name = $definition['name'];
$this->locale = $locale;
if (isset($definition['three_letter_code'])) {
$this->threeLetterCode = $definition['three_letter_code'];
}
if (isset($definition['numeric_code'])) {
$this->numericCode = $definition['numeric_code'];
}
if (isset($definition['currency_code'])) {
$this->currencyCode = $definition['currency_code'];
}
}, $country, '\CommerceGuys\Intl\Country\Country');
$setValues($countryCode, $definition, $locale);
return $country;
}
}