From 784c86d6a506eba2851f24116d7657df75cda28c Mon Sep 17 00:00:00 2001
From: panlatent <panlatent@gmail.com>
Date: Thu, 15 Jun 2017 14:10:29 +0800
Subject: [PATCH] Advance list command empty notice

---
 src/Commands/ListCommand.php | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/src/Commands/ListCommand.php b/src/Commands/ListCommand.php
index c7f03ef..9cbbb74 100644
--- a/src/Commands/ListCommand.php
+++ b/src/Commands/ListCommand.php
@@ -131,6 +131,11 @@ protected function execute(InputInterface $input, OutputInterface $output)
     protected function listGroups()
     {
         $groups = $this->manager->getGroups();
+        if (empty($groups)) {
+            $this->io->writeln('(empty)');
+            return;
+        }
+
         sort($groups);
         if ($this->isLong) {
             foreach ($groups as $group) {
@@ -162,6 +167,11 @@ protected function listSites()
                 return $site->isEnable();
             });
         }
+        if (empty($sites)) {
+            $this->io->writeln('(empty)');
+            return;
+        }
+
         sort($sites);
         if ($this->isLong) {
             $list = [];
@@ -203,6 +213,10 @@ protected function listServers()
                 return $server->getSite()->isEnable();
             });
         }
+        if (empty($servers)) {
+            $this->io->writeln('(empty)');
+            return;
+        }
 
         sort($servers);
         if ($this->isLong) {