From 0010b6c1fca2f267ed4956192b377a16490becec Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Philipp=20B=C3=B6hm?= <philipp@boehm.sh>
Date: Thu, 2 Sep 2021 15:44:02 +0200
Subject: [PATCH] fixed panic: runtime error: index out of range [0] with
 length 0

panic: runtime error: index out of range [0] with length 0

goroutine 1 [running]:
github.com/mrahbar/my-bloody-hetzner-sb-notifier/writer.(*TableWriter).Print(0xc00011be20, {{0x31e, 0x0}, {0x0, 0x0, 0x0}})
        /home/philipp/git/my-bloody-hetzner-sb-notifier/writer/table.go:25 +0x27a
main.run({0x731f00, 0xc0000ae008}, {0x0, 0x4041800000000000, 0x40, 0x100, 0x1800, 0x1800, 0x2, 0xf, ...}, ...)
        /home/philipp/git/my-bloody-hetzner-sb-notifier/main.go:251 +0x335
main.main()
        /home/philipp/git/my-bloody-hetzner-sb-notifier/main.go:138 +0x1a5

If no server was found we crashed, because we tried to print out the 0 element of an array.
---
 writer/table.go | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/writer/table.go b/writer/table.go
index 630800d..dbb77a0 100644
--- a/writer/table.go
+++ b/writer/table.go
@@ -20,9 +20,12 @@ func NewTableWriter(output io.Writer)*TableWriter {
 func (c *TableWriter) Print(deals hetzner.Deals) {
 	fmt.Fprintf(c.tabWriter,"Got %d offers. Filtered offers: %d\n", deals.ResultStats.OriginalCount, deals.ResultStats.FilteredCount)
 
-	fmt.Fprintf(c.tabWriter, "%s\n", deals.Servers[0].Header())
-	for _, server := range deals.Servers {
-		fmt.Fprintf(c.tabWriter, "%s\n", server.ToString())
+	if deals.ResultStats.FilteredCount != {
+		fmt.Fprintf(c.tabWriter, "%s\n", deals.Servers[0].Header())
+		for _, server := range deals.Servers {
+			fmt.Fprintf(c.tabWriter, "%s\n", server.ToString())
+		}
+		c.tabWriter.Flush()
 	}
-	c.tabWriter.Flush()
+
 }