Add URL property to events.

src/pvv/side/event.php

@@ -17,4 +17,6 @@ abstract class Event {
 
 	public abstract function getStop(); /* : DateTimeImmutable */
 
+	public abstract function getURL(); /* : string */
+
 }

src/pvv/side/social/animekveldevent.php

@@ -23,4 +23,8 @@ class AnimekveldEvent extends Event {
 		return "Liang Zhu";
 	}
 
+	public function getURL() /* : string */ {
+		return '/anime/';
+	}
+
 }

src/pvv/side/social/brettspillevent.php

@@ -23,4 +23,8 @@ class BrettspillEvent extends Event {
 		return "PVV";
 	}
 
+	public function getURL() /* : string */ {
+		return '/brettspill/';
+	}
+
 }

src/pvv/side/social/nerdepitsaevent.php

@@ -23,4 +23,8 @@ class NerdepitsaEvent extends Event {
 		return "Anders Christensen";
 	}
 
+	public function getURL() /* : string */ {
+		return '/nerdepitsa/';
+	}
+
 }