From 8989e866f7ba949de31856943049d6f908fdc46d Mon Sep 17 00:00:00 2001
From: =?utf8?q?Rapha=C3=ABl=20Gertz?= <git@rapsys.eu>
Date: Tue, 7 Sep 2021 04:12:50 +0200
Subject: [PATCH] Add twig intl date, number and currency filters

---
 Util/IntlUtil.php | 113 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 113 insertions(+)
 create mode 100644 Util/IntlUtil.php

diff --git a/Util/IntlUtil.php b/Util/IntlUtil.php
new file mode 100644
index 0000000..7556838
--- /dev/null
+++ b/Util/IntlUtil.php
@@ -0,0 +1,113 @@
+<?php declare(strict_types=1);
+
+/*
+ * This file is part of the Rapsys PackBundle package.
+ *
+ * (c) Raphaël Gertz <symfony@rapsys.eu>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Rapsys\PackBundle\Util;
+
+use Twig\Error\SyntaxError;
+use Twig\Environment;
+
+/**
+ * Helps manage intl conversions
+ */
+class IntlUtil {
+	/**
+	 * Construct intl util
+	 */
+	public function __construct() {
+	}
+
+	public function date(Environment $env, $date, $dateFormat = 'medium', $timeFormat = 'medium', $locale = null, $timezone = null, $format = null, $calendar = 'gregorian') {
+		$date = twig_date_converter($env, $date, $timezone);
+
+		$formatValues = array(
+			'none' => IntlDateFormatter::NONE,
+			'short' => IntlDateFormatter::SHORT,
+			'medium' => IntlDateFormatter::MEDIUM,
+			'long' => IntlDateFormatter::LONG,
+			'full' => IntlDateFormatter::FULL,
+		);
+
+		$formatter = IntlDateFormatter::create(
+			$locale,
+			$formatValues[$dateFormat],
+			$formatValues[$timeFormat],
+			IntlTimeZone::createTimeZone($date->getTimezone()->getName()),
+			'gregorian' === $calendar ? IntlDateFormatter::GREGORIAN : IntlDateFormatter::TRADITIONAL,
+			$format
+		);
+
+		return $formatter->format($date->getTimestamp());
+	}
+
+	public function number($number, $style = 'decimal', $type = 'default', $locale = null) {
+		static $typeValues = array(
+			'default' => NumberFormatter::TYPE_DEFAULT,
+			'int32' => NumberFormatter::TYPE_INT32,
+			'int64' => NumberFormatter::TYPE_INT64,
+			'double' => NumberFormatter::TYPE_DOUBLE,
+			'currency' => NumberFormatter::TYPE_CURRENCY,
+		);
+
+		$formatter = $this->getNumberFormatter($locale, $style);
+
+		if (!isset($typeValues[$type])) {
+			throw new SyntaxError(sprintf('The type "%s" does not exist. Known types are: "%s"', $type, implode('", "', array_keys($typeValues))));
+		}
+
+		return $formatter->format($number, $typeValues[$type]);
+	}
+
+	public function currency($number, $currency = null, $locale = null) {
+		$formatter = $this->getNumberFormatter($locale, 'currency');
+
+		return $formatter->formatCurrency($number, $currency);
+	}
+
+	/**
+	 * Gets a number formatter instance according to given locale and formatter.
+	 *
+	 * @param string $locale Locale in which the number would be formatted
+	 * @param int    $style  Style of the formatting
+	 *
+	 * @return NumberFormatter A NumberFormatter instance
+	 */
+	protected function getNumberFormatter($locale, $style): NumberFormatter {
+		static $formatter, $currentStyle;
+
+		$locale = null !== $locale ? $locale : Locale::getDefault();
+
+		if ($formatter && $formatter->getLocale() === $locale && $currentStyle === $style) {
+			// Return same instance of NumberFormatter if parameters are the same
+			// to those in previous call
+			return $formatter;
+		}
+
+		static $styleValues = array(
+			'decimal' => NumberFormatter::DECIMAL,
+			'currency' => NumberFormatter::CURRENCY,
+			'percent' => NumberFormatter::PERCENT,
+			'scientific' => NumberFormatter::SCIENTIFIC,
+			'spellout' => NumberFormatter::SPELLOUT,
+			'ordinal' => NumberFormatter::ORDINAL,
+			'duration' => NumberFormatter::DURATION,
+		);
+
+		if (!isset($styleValues[$style])) {
+			throw new SyntaxError(sprintf('The style "%s" does not exist. Known styles are: "%s"', $style, implode('", "', array_keys($styleValues))));
+		}
+
+		$currentStyle = $style;
+
+		$formatter = NumberFormatter::create($locale, $styleValues[$style]);
+
+		return $formatter;
+	}
+}
-- 
2.41.1