add event pagination

app/Controllers/EventController.php

@@ -32,5 +32,16 @@ class EventController {
     public function getAllEvents() {
         return $this->eventModel->getAllEvents();
     }
+    
+    public function paginateEvents($page=1,$pagesize=10,$events) {
+        $maxpage = ceil(count($events)/$pagesize);
+        if ($page > $maxpage) {
+            $page = $maxpage;
+        }
+        $offset = $pagesize * ($page-1);
+        $selectedEvents = array_slice($events, $offset, $pagesize);
+
+        return $selectedEvents;
+    }
 }
 ?>
\ No newline at end of file