From 5a058aa706f28e1f9f7261613b6c585baf0adb19 Mon Sep 17 00:00:00 2001
From: "Alexander \"Arav\" Andreev" <me@arav.su>
Date: Sun, 1 Oct 2023 04:17:49 +0400
Subject: [PATCH] Added most listened song and song list length. Also removed a
 year 2022 from a version string.

---
 cmd/dwellin-radiodj/main.go | 28 +++++++++++++++++++++-------
 1 file changed, 21 insertions(+), 7 deletions(-)

diff --git a/cmd/dwellin-radiodj/main.go b/cmd/dwellin-radiodj/main.go
index b36b701..27b1127 100644
--- a/cmd/dwellin-radiodj/main.go
+++ b/cmd/dwellin-radiodj/main.go
@@ -5,6 +5,7 @@ import (
 	"dwelling-radio/internal/radio"
 	"flag"
 	"fmt"
+	"io/fs"
 	"log"
 	"net/http"
 	"os"
@@ -15,11 +16,10 @@ import (
 )
 
 var (
-	listenAddress       = flag.String("listen", "/var/run/dwelling-radio/sock", "listen address (ip:port|unix_path)")
-	playlist            = flag.String("playlist", "", "path to a playlist")
-	icecastUrl          = flag.String("ic-url", "", "URL to an Icecast's status-json.xsl")
-	icecastPlaylistPath = flag.String("ic-playlist", "/var/log/icecast/playlist.log", "path to an Icecast's playlist.log file")
-	songListLen         = flag.Int("list-length", 10, "number of songs to show in last N songs table")
+	listenAddress        = flag.String("listen", "/var/run/dwelling-radio/sock", "listen address (ip:port|unix_path)")
+	playlist             = flag.String("playlist", "", "path to a playlist")
+	songListLen          = flag.Int("list-length", 10, "number of songs to show in last N songs table")
+	mostListenedSongPath = flag.String("mls-file", "/mnt/data/appdata/radio/mostlistenedsong", "path to a file that stores info about the most listened song")
 
 	showVersion = flag.Bool("v", false, "show version")
 )
@@ -31,7 +31,7 @@ func main() {
 	log.SetFlags(log.Lshortfile)
 
 	if *showVersion {
-		fmt.Println("dwelling-radio ver.", version, "\nCopyright (c) 2022,2023 Alexander \"Arav\" Andreev <me@arav.su>")
+		fmt.Println("dwelling-radio ver.", version, "\nCopyright (c) 2023 Alexander \"Arav\" Andreev <me@arav.su>")
 		return
 	}
 
@@ -43,7 +43,13 @@ func main() {
 		log.Fatalln(err)
 	}
 
-	djh := ihttp.NewDJHandlers(lstnrs, plylst)
+	mlsf, err := os.ReadFile(*mostListenedSongPath)
+	if err != nil {
+		log.Fatalln(err)
+	}
+	radio.LoadMostListenedSong(mlsf)
+
+	djh := ihttp.NewDJHandlers(lstnrs, plylst, *songListLen)
 
 	s := r.Sub("/listener")
 	s.Handler(http.MethodGet, "/", djh.ListenersGet)
@@ -63,6 +69,14 @@ func main() {
 	}
 
 	defer func() {
+		fileData := radio.StoreMostListenedSong()
+		if fileData != nil {
+			err := os.WriteFile(*mostListenedSongPath, fileData, fs.ModePerm)
+			if err != nil {
+				log.Println("failed to store a most listened song:", err)
+			}
+		}
+
 		if err := srv.Stop(); err != nil {
 			log.Fatalln(err)
 		}