Possibility to delete plugin data (#17)

* Possibility to delete plugin data

* Update Removable.php

src/Connection.php

@@ -239,7 +239,7 @@ public function patch( $url, $body ) {
 	 * @throws ApiException
 	 * @throws \GuzzleHttp\Exception\GuzzleException
 	 */
-	public function delete( $url, $body ) {
+	public function delete( $url, $body = null ) {
 		try {
 			$request  = $this->createRequestNoJson( 'DELETE', $this->formatUrl( $url, 'delete' ), $body );
 			$response = $this->client()->send( $request );

src/Resources/Plugins/Data.php

@@ -3,11 +3,12 @@
 namespace Eduframe\Resources\Plugins;
 
 use Eduframe\Resource;
+use Eduframe\Traits\Removable;
 use Eduframe\Traits\Storable;
 
 class Data extends Resource {
 
-	use Storable;
+	use Storable, Removable;
 
 	/**
 	 * @var array

src/Traits/HasPluginData.php

@@ -23,7 +23,7 @@ public function get_plugin_data_value( $title ) {
 	 * @param $name
 	 * @return mixed
 	 */
-	private function get_plugin_data( $title ) {
+	public function get_plugin_data( $title ) {
 		$results = array_filter( $this->plugin_data, function ( $plugin_data ) use ( $title ) {
 			return ( $plugin_data->field->title === $title );
 		} );

src/Traits/Removable.php

@@ -0,0 +1,21 @@
+<?php
+
+namespace Eduframe\Traits;
+
+/**
+ * Class Removable
+ * @package Eduframe\Traits
+ */
+trait Removable {
+
+	use BaseTrait;
+
+	/**
+	 * @return mixed
+	 * @throws \Eduframe\Exceptions\ApiException
+	 * @throws \GuzzleHttp\Exception\GuzzleException
+	 */
+	public function delete() {
+		return $this->connection()->delete( $this->getEndpoint() . '/' . urlencode( $this->id ) );
+	}
+}