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path: root/library/intl/src/NumberFormat/NumberFormatRepository.php
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<?php

namespace CommerceGuys\Intl\NumberFormat;

use CommerceGuys\Intl\LocaleResolverTrait;

/**
 * Repository for number formats based on JSON definitions.
 */
class NumberFormatRepository implements NumberFormatRepositoryInterface
{
    use LocaleResolverTrait;

    /**
     * Number format definitions.
     *
     * @var array
     */
    protected $definitions = array();

    /**
     * Creates a NumberFormatRepository instance.
     *
     * @param string $definitionPath The path to the number format definitions.
     *                               Defaults to 'resources/number_format'.
     */
    public function __construct($definitionPath = null)
    {
        $this->definitionPath = $definitionPath ? $definitionPath : __DIR__ . '/../../resources/number_format/';
    }

    /**
     * {@inheritdoc}
     */
    public function get($locale, $fallbackLocale = null)
    {
        $locale = $this->resolveLocale($locale, $fallbackLocale);
        if (!isset($this->definitions[$locale])) {
            $filename = $this->definitionPath . $locale . '.json';
            $this->definitions[$locale] = json_decode(file_get_contents($filename), true);
        }

        return $this->createNumberFormatFromDefinition($this->definitions[$locale], $locale);
    }

    /**
     * Creates a number format object from the provided definition.
     *
     * @param array  $definition The number format definition.
     * @param string $locale     The locale of the number format definition.
     *
     * @return NumberFormat
     */
    protected function createNumberFormatFromDefinition(array $definition, $locale)
    {
        if (!isset($definition['decimal_separator'])) {
            $definition['decimal_separator'] = '.';
        }
        if (!isset($definition['grouping_separator'])) {
            $definition['grouping_separator'] = ',';
        }
        if (!isset($definition['plus_sign'])) {
            $definition['plus_sign'] = '+';
        }
        if (!isset($definition['minus_sign'])) {
            $definition['minus_sign'] = '-';
        }
        if (!isset($definition['percent_sign'])) {
            $definition['percent_sign'] = '%';
        }

        $numberFormat = new NumberFormat();
        $numberFormat->setLocale($locale);
        $numberFormat->setNumberingSystem($definition['numbering_system']);
        $numberFormat->setDecimalSeparator($definition['decimal_separator']);
        $numberFormat->setGroupingSeparator($definition['grouping_separator']);
        $numberFormat->setPlusSign($definition['plus_sign']);
        $numberFormat->setMinusSign($definition['minus_sign']);
        $numberFormat->setPercentSign($definition['percent_sign']);
        $numberFormat->setDecimalPattern($definition['decimal_pattern']);
        $numberFormat->setPercentPattern($definition['percent_pattern']);
        $numberFormat->setCurrencyPattern($definition['currency_pattern']);
        $numberFormat->setAccountingCurrencyPattern($definition['accounting_currency_pattern']);

        return $numberFormat;
    }
}