refs #54872 - refactored formatting datetime to local dateformats and add basic unittests

src/Dldb/Helper/DateTime.php

+<?php
+
+namespace BO\Dldb\Helper;
+
+class DateTime extends \DateTimeImmutable
+{
+
+    public static function getFormatedDates(
+        $timestamp,
+        $pattern = 'MMMM',
+        $locale = 'de_DE',
+        $timezone = 'Europe/Berlin'
+    ) {
+        $dateFormatter = new \IntlDateFormatter(
+            $locale,
+            \IntlDateFormatter::MEDIUM,
+            \IntlDateFormatter::MEDIUM,
+            $timezone,
+            \IntlDateFormatter::GREGORIAN,
+            $pattern
+        );
+        return $dateFormatter->format($timestamp);
+    }
+
+    public function __toString()
+    {
+        return $this->format('c');
+    }
+}

src/Dldb/TwigExtension.php

@@ -167,15 +167,25 @@ class TwigExtension extends \Twig_Extension
         return $date;
     }
 
-    public function formatDateTime($datetime)
+    public function formatDateTime($dateString)
     {
-        $formatDate['date']     = strftime('%a, %d. %B %Y', $datetime);
-        $formatDate['fulldate'] = strftime('%A, den %d. %B %Y', $datetime);
-        $formatDate['weekday']  = (date('w', $datetime) == 0) ? date('w', $datetime) + 6 : date('w', $datetime) - 1;
-        $formatDate['time']     = (date('H:i', $datetime) != '00:00') ? strftime('%H:%M Uhr', $datetime): false;
-        $formatDate['dateId']   = date('Y-m-d', $datetime);
-        $formatDate['ym']      = date('Y-m', $datetime);
-        $formatDate['timeId']   = (date('H:i', $datetime) != '00:00') ? date('H:i', $datetime) : false;
+        $dateTime = new \DateTimeImmutable($dateString, new \DateTimezone('Europe/Berlin'));
+        $formatDate['date']     = Helper\DateTime::getFormatedDates($dateTime, "EE, dd. MMMM yyyy");
+        $formatDate['fulldate'] = Helper\DateTime::getFormatedDates($dateTime, "EEEE, 'den' dd. MMMM yyyy");
+        $formatDate['weekday']  = ($dateTime->format('N') == 0) ? 
+            $dateTime->format('N') + 6 : 
+            $dateTime->format('N') - 1;
+        $formatDate['weekdayfull'] = Helper\DateTime::getFormatedDates($dateTime, "EEEE");
+
+        $time = $dateTime->format('H:i');
+        $formatDate['time']     = ($time != '00:00') ? 
+            Helper\DateTime::getFormatedDates($dateTime, "HH:mm 'Uhr'") : 
+            false;
+        $formatDate['timeId']   = ($time != '00:00') ? $time : false;
+        $formatDate['ts']       = $dateTime->getTimestamp();
+        $formatDate['dateId']   = $dateTime->format('Y-m-d');
+        $formatDate['ym']      = $dateTime->format('Y-m');
+        
         return $formatDate;
     }
 

tests/Dldb/DateTimeFormatTest.php

+<?php
+
+namespace BO\Dldb\Tests;
+
+use PHPUnit\Framework\TestCase;
+
+class DateTimeFormatTest extends TestCase
+{
+
+    public function testTwigDateFormat()
+    {
+        $twigExtensionsClass = new \BO\Dldb\TwigExtension();
+        $date = '2016-04-01';
+        $this->assertEquals('2016-04-01', $twigExtensionsClass->formatDateTime($date)['dateId']);
+        $this->assertEquals('Fr., 01. April 2016', $twigExtensionsClass->formatDateTime($date)['date']);
+        $this->assertEquals('Freitag, den 01. April 2016', $twigExtensionsClass->formatDateTime($date)['fulldate']);
+        $this->assertEquals('1459461600', $twigExtensionsClass->formatDateTime($date)['ts']);
+        $this->assertEquals(4, $twigExtensionsClass->formatDateTime($date)['weekday']);
+        $this->assertEquals('Freitag', $twigExtensionsClass->formatDateTime($date)['weekdayfull']);
+        $this->assertEquals('11:55 Uhr', $twigExtensionsClass->formatDateTime($date . ' 11:55:00')['time']);
+        $this->assertEquals('11:55', $twigExtensionsClass->formatDateTime($date . ' 11:55:00')['timeId']);
+    }
+}

tests/Dldb/TwigExtensionTest.php

+<?php
+
+namespace BO\Dldb\Tests;
+
+use PHPUnit\Framework\TestCase;
+
+class TwigExtensionTest extends TestCase
+{
+
+    public function testBasic()
+    {
+        $twigExtensionsClass = new \BO\Dldb\TwigExtension();
+        $this->assertEquals('dldb', $twigExtensionsClass->getName());
+        $this->assertEquals('<pre>unittest</pre>', $twigExtensionsClass->dump('unittest'));
+        $this->assertEquals('Montag', $twigExtensionsClass->convertOpeningTimes('monday'));
+        $this->assertEquals('1459511700', $twigExtensionsClass->dateToTS('2016-04-01 11:55'));
+        $this->assertEquals('2016-04-01', $twigExtensionsClass->tsToDate('1459511700'));
+        $this->assertEquals('ec', $twigExtensionsClass->kindOfPayment(2));
+    }
+}