123 lines
3.7 KiB
PHP
123 lines
3.7 KiB
PHP
<?php
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namespace CommerceGuys\Intl\Currency;
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use CommerceGuys\Intl\LocaleResolverTrait;
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use CommerceGuys\Intl\Exception\UnknownCurrencyException;
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/**
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* Manages currencies based on JSON definitions.
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*/
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class CurrencyRepository implements CurrencyRepositoryInterface
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{
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use LocaleResolverTrait;
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/**
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* Base currency definitions.
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*
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* Contains data common to all locales, such as the currency numeric
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* code, number of fraction digits.
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*
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* @var array
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*/
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protected $baseDefinitions = array();
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/**
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* Per-locale currency definitions.
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*
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* @var array
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*/
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protected $definitions = array();
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/**
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* Creates a CurrencyRepository instance.
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*
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* @param string $definitionPath The path to the currency definitions.
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* Defaults to 'resources/currency'.
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*/
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public function __construct($definitionPath = null)
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{
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$this->definitionPath = $definitionPath ? $definitionPath : __DIR__ . '/../../resources/currency/';
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}
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/**
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* {@inheritdoc}
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*/
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public function get($currencyCode, $locale = null, $fallbackLocale = null)
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{
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$locale = $this->resolveLocale($locale, $fallbackLocale);
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$definitions = $this->loadDefinitions($locale);
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if (!isset($definitions[$currencyCode])) {
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throw new UnknownCurrencyException($currencyCode);
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}
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return $this->createCurrencyFromDefinition($definitions[$currencyCode], $locale);
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}
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/**
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* {@inheritdoc}
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*/
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public function getAll($locale = null, $fallbackLocale = null)
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{
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$locale = $this->resolveLocale($locale, $fallbackLocale);
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$definitions = $this->loadDefinitions($locale);
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$currencies = array();
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foreach ($definitions as $currencyCode => $definition) {
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$currencies[$currencyCode] = $this->createCurrencyFromDefinition($definition, $locale);
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}
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return $currencies;
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}
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/**
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* Loads the currency definitions for the provided locale.
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*
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* @param string $locale The desired locale.
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*
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* @return array
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*/
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protected function loadDefinitions($locale)
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{
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if (!isset($this->definitions[$locale])) {
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$filename = $this->definitionPath . $locale . '.json';
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$this->definitions[$locale] = json_decode(file_get_contents($filename), true);
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// Make sure the base definitions have been loaded.
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if (empty($this->baseDefinitions)) {
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$this->baseDefinitions = json_decode(file_get_contents($this->definitionPath . 'base.json'), true);
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}
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// Merge-in base definitions.
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foreach ($this->definitions[$locale] as $currencyCode => $definition) {
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$this->definitions[$locale][$currencyCode] += $this->baseDefinitions[$currencyCode];
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}
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}
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return $this->definitions[$locale];
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}
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/**
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* Creates a currency object from the provided definition.
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*
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* @param array $definition The currency definition.
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* @param string $locale The locale of the currency definition.
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*
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* @return Currency
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*/
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protected function createCurrencyFromDefinition(array $definition, $locale)
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{
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if (!isset($definition['fraction_digits'])) {
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$definition['fraction_digits'] = 2;
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}
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$currency = new Currency();
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$currency->setCurrencyCode($definition['code']);
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$currency->setName($definition['name']);
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$currency->setNumericCode($definition['numeric_code']);
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$currency->setFractionDigits($definition['fraction_digits']);
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$currency->setSymbol($definition['symbol']);
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$currency->setLocale($locale);
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return $currency;
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}
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}
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