Added a moon phase display

Signed-off-by: Gergely Polonkai <polesz@w00d5t0ck.info>

src/KekRozsak/FrontBundle/Resources/public/css/statuslines.css

@@ -58,3 +58,8 @@
     background-color: transparent;
     color: #c4d3ff;
 }
+
+#moonphase {
+    float: right;
+    width: 30px;
+}

src/KekRozsak/FrontBundle/Resources/views/Default/main_template.html.twig

@@ -52,6 +52,9 @@
                     <button type="submit">Keresés</button>
                 </div>
 #}
+                <div id="moonphase">
+                    <img src="{{ asset('bundles/kekrozsakfront/images/moonphase/' ~ moonphase.phaseNum ~ '_small.png') }}" alt="{{ moonphase.percent }}" />
+                </div>
             </div>
             <div id="top-line-padding"></div>
         </div>

src/KekRozsak/FrontBundle/Twig/TwigMoonphaseExtension.php

@@ -0,0 +1,62 @@
+<?php
+namespace KekRozsak\FrontBundle\Twig;
+
+use Symfony\Component\DependencyInjection\ContainerInterface;
+use JMS\DiExtraBundle\Annotation as DI;
+
+/**
+ * @DI\Service
+ * @DI\Tag("twig.extension")
+ *
+ */
+class TwigMoonphaseExtension extends \Twig_Extension
+{
+    const SYNODIC = 29.53058867;
+    const SECPERDAY = 86400.0;
+
+    private $container;
+
+    /**
+     * @DI\InjectParams({
+     *     "container" = @DI\Inject("service_container")
+     * })
+     * @param \Symfony\Component\DependencyInjection\ContainerInterface $container
+     */
+    public function __construct(ContainerInterface $container)
+    {
+        $this->container = $container;
+    }
+
+    public function getGlobals()
+    {
+        $globals = parent::getGlobals();
+
+        $gds = new \DateTime('now');
+
+        $baseDate = new \DateTime();
+        $baseDate->setTimezone(new \DateTimeZone('UTC'));
+        $baseDate->setDate(2005, 4, 8);
+        $baseDate->setTime(8, 48, 0);
+
+        $diff = abs($gds->getTimestamp() - $baseDate->getTimestamp());
+        $origPhasePercent = $diff / (self::SYNODIC * self::SECPERDAY);
+        $phasePercent = fmod(($origPhasePercent) * 100.0, 100.0);
+        if ($phasePercent < 0) {
+            $phasePercent += 100;
+        }
+        $phase = round($phasePercent * 0.279);
+        $realPercent = (50.0 - abs($phasePercent - 50.0)) * 2.0;
+
+        $globals['moonphase'] = array(
+            'phaseNum' => $phase,
+            'percent'  => $realPercent,
+        );
+
+        return $globals;
+    }
+
+    public function getName()
+    {
+        return 'twig_moonphase';
+    }
+}