Added option to filter by date the visits list

module/Common/src/Util/DateRange.php

@@ -0,0 +1,36 @@
+<?php
+namespace Shlinkio\Shlink\Common\Util;
+
+class DateRange
+{
+    /**
+     * @var \DateTimeInterface
+     */
+    private $startDate;
+    /**
+     * @var \DateTimeInterface
+     */
+    private $endDate;
+
+    public function __construct(\DateTimeInterface $startDate = null, \DateTimeInterface $endDate = null)
+    {
+        $this->startDate = $startDate;
+        $this->endDate = $endDate;
+    }
+
+    /**
+     * @return \DateTimeInterface
+     */
+    public function getStartDate()
+    {
+        return $this->startDate;
+    }
+
+    /**
+     * @return \DateTimeInterface
+     */
+    public function getEndDate()
+    {
+        return $this->endDate;
+    }
+}