get a list of labels by issue

libraries/joomla/github/issues.php

@@ -517,6 +517,36 @@ public function getLabels($user, $repo)
    		return json_decode($response->body);
    	}
 
+    /**
+   	 * Method to get the list of labels on an issue.
+   	 *
+   	 * @param   string   $user     The name of the owner of the GitHub repository.
+   	 * @param   string   $repo     The name of the GitHub repository.
+     * @param   integer  $issueId  The issue number.
+   	 *
+   	 * @return  array
+   	 *
+   	 * @since   12.1
+   	 */
+   	public function getLabelsByIssue($user, $repo, $issueId)
+   	{
+   		// Build the request path.
+   		$path = '/repos/' . $user . '/' . $repo . '/issues/' . $issueId . '/labels';
+
+   		// Send the request.
+   		$response = $this->client->get($this->fetchUrl($path));
+
+   		// Validate the response code.
+   		if ($response->code != 200)
+   		{
+   			// Decode the error response and throw an exception.
+   			$error = json_decode($response->body);
+   			throw new DomainException($error->message, $response->code);
+   		}
+
+   		return json_decode($response->body);
+   	}
+
 	/**
 	 * Method to list an authenticated user's issues.
 	 *