Implemented rest endpoint to return shortcode visits

src/Entity/Visit.php

@@ -11,7 +11,7 @@ use Doctrine\ORM\Mapping as ORM;
  * @ORM\Entity
  * @ORM\Table(name="visits")
  */
-class Visit extends AbstractEntity
+class Visit extends AbstractEntity implements \JsonSerializable
 {
     /**
      * @var string
@@ -134,4 +134,21 @@ class Visit extends AbstractEntity
         $this->userAgent = $userAgent;
         return $this;
     }
+
+    /**
+     * Specify data which should be serialized to JSON
+     * @link http://php.net/manual/en/jsonserializable.jsonserialize.php
+     * @return mixed data which can be serialized by <b>json_encode</b>,
+     * which is a value of any type other than a resource.
+     * @since 5.4.0
+     */
+    public function jsonSerialize()
+    {
+        return [
+            'referer' => $this->referer,
+            'date' => isset($this->date) ? $this->date->format(\DateTime::ISO8601) : null,
+            'remoteAddr' => $this->remoteAddr,
+            'userAgent' => $this->userAgent,
+        ];
+    }
 }