From 3629322851e105d9ea40e909566bbafd0eb49aa0 Mon Sep 17 00:00:00 2001
From: velvettear <daniel.sommer@velvettear.de>
Date: Fri, 17 Nov 2023 14:37:00 +0100
Subject: [PATCH] remember last image to prevent showing the same image twice

---
 internal/slideshow/slideshow.go | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/internal/slideshow/slideshow.go b/internal/slideshow/slideshow.go
index e6a961e..1ab82e4 100644
--- a/internal/slideshow/slideshow.go
+++ b/internal/slideshow/slideshow.go
@@ -13,7 +13,8 @@ import (
 	"git.velvettear.de/velvettear/slideshow/internal/watcher"
 )
 
-// internal counter
+var previousImage string
+
 // start the slideshow
 func Start() {
 	loggo.Info("starting the image slideshow...", "interval: "+strconv.FormatFloat(config.Interval.Seconds(), 'f', 0, 64)+" seconds")
@@ -22,7 +23,13 @@ func Start() {
 	scaleImages := config.IsResolutionSet()
 	for {
 		var data []byte
-		image := watcher.GetRandomImage()
+		var image string
+		for {
+			image = watcher.GetRandomImage()
+			if image != previousImage {
+				break
+			}
+		}
 		if scaleImages {
 			scaleTimestamp := time.Now()
 			tmp, error := scale(image)
@@ -34,7 +41,7 @@ func Start() {
 			scaleTime = time.Since(scaleTimestamp)
 		}
 		if sleepTime > 0 {
-			loggo.Debug("sleeping for '" + strconv.FormatInt(sleepTime.Milliseconds(), 10) + "' ms")
+			loggo.Debug("sleeping for " + strconv.FormatInt(sleepTime.Milliseconds(), 10) + "ms")
 			time.Sleep(sleepTime)
 		}
 		if scaleImages {