X-Git-Url: https://git.rapsys.eu/packbundle/blobdiff_plain/ca42f395bd7fadae6aa2db553d88a5b9385238f6..7a884a8cd503031c762e830044dbfce09aeddf5e:/Util/IntlUtil.php

diff --git a/Util/IntlUtil.php b/Util/IntlUtil.php
index eb7711f..80b9530 100644
--- a/Util/IntlUtil.php
+++ b/Util/IntlUtil.php
@@ -18,6 +18,17 @@ use Twig\Environment;
  * Manages intl conversions
  */
 class IntlUtil {
+	/**
+	 * Format currency
+	 */
+	public function currency(int|float $number, string $currency, ?string $locale = null) {
+		//Get formatter
+		$formatter = $this->getNumberFormatter($locale, 'currency');
+
+		//Return formatted currency
+		return $formatter->formatCurrency($number, $currency);
+	}
+
 	/**
 	 * Format date
 	 */
@@ -49,39 +60,43 @@ class IntlUtil {
 	}
 
 	/**
-	 * Format number
+	 * Compute eastern for selected year
+	 *
+	 * @param string $year The eastern year
+	 *
+	 * @return DateTime The eastern date
 	 */
-	public function number(int|float $number, $style = 'decimal', $type = 'default', ?string $locale = null) {
-		//Set types
-		static $types = [
-			'default' => NumberFormatter::TYPE_DEFAULT,
-			'int32' => NumberFormatter::TYPE_INT32,
-			'int64' => NumberFormatter::TYPE_INT64,
-			'double' => NumberFormatter::TYPE_DOUBLE,
-			'currency' => NumberFormatter::TYPE_CURRENCY,
-		];
+	public function getEastern(string $year): \DateTime {
+		//Set static results
+		static $results = [];
+
+		//Check if already computed
+		if (isset($results[$year])) {
+			//Return computed eastern
+			return $results[$year];
+		}
 
-		//Get formatter
-		$formatter = $this->getNumberFormatter($locale, $style);
+		$d = (19 * ($year % 19) + 24) % 30;
 
-		//Without type
-		if (!isset($types[$type])) {
-			throw new SyntaxError(sprintf('The type "%s" does not exist. Known types are: "%s"', $type, implode('", "', array_keys($types))));
-		}
+		$e = (2 * ($year % 4) + 4 * ($year % 7) + 6 * $d + 5) % 7;
 
-		//Return formatted number
-		return $formatter->format($number, $types[$type]);
-	}
+		$day = 22 + $d + $e;
 
-	/**
-	 * Format currency
-	 */
-	public function currency(int|float $number, string $currency, ?string $locale = null) {
-		//Get formatter
-		$formatter = $this->getNumberFormatter($locale, 'currency');
+		$month = 3;
 
-		//Return formatted currency
-		return $formatter->formatCurrency($number, $currency);
+		if ($day > 31) {
+			$day = $d + $e - 9;
+			$month = 4;
+		} elseif ($d == 29 && $e == 6) {
+			$day = 10;
+			$month = 4;
+		} elseif ($d == 28 && $e == 6) {
+			$day = 18;
+			$month = 4;
+		}
+
+		//Store eastern in data
+		return ($results[$year] = new \DateTime(sprintf('%04d-%02d-%02d', $year, $month, $day)));
 	}
 
 	/**
@@ -97,7 +112,7 @@ class IntlUtil {
 		static $formatters = [];
 
 		//Set locale
-		$locale = null !== $locale ? $locale : Locale::getDefault();
+		$locale = null !== $locale ? $locale : \Locale::getDefault();
 
 		//With existing formatter
 		if (isset($formatters[$locale][$style])) {
@@ -113,7 +128,7 @@ class IntlUtil {
 			'scientific' => \NumberFormatter::SCIENTIFIC,
 			'spellout' => \NumberFormatter::SPELLOUT,
 			'ordinal' => \NumberFormatter::ORDINAL,
-			'duration' => \NumberFormatter::DURATION,
+			'duration' => \NumberFormatter::DURATION
 		];
 
 		//Without styles
@@ -124,4 +139,29 @@ class IntlUtil {
 		//Return number formatter
 		return ($formatters[$locale][$style] = \NumberFormatter::create($locale, $styles[$style]));
 	}
+
+	/**
+	 * Format number
+	 */
+	public function number(int|float $number, $style = 'decimal', $type = 'default', ?string $locale = null) {
+		//Set types
+		static $types = [
+			'default' => \NumberFormatter::TYPE_DEFAULT,
+			'int32' => \NumberFormatter::TYPE_INT32,
+			'int64' => \NumberFormatter::TYPE_INT64,
+			'double' => \NumberFormatter::TYPE_DOUBLE,
+			'currency' => \NumberFormatter::TYPE_CURRENCY
+		];
+
+		//Get formatter
+		$formatter = $this->getNumberFormatter($locale, $style);
+
+		//Without type
+		if (!isset($types[$type])) {
+			throw new SyntaxError(sprintf('The type "%s" does not exist. Known types are: "%s"', $type, implode('", "', array_keys($types))));
+		}
+
+		//Return formatted number
+		return $formatter->format($number, $types[$type]);
+	}
 }