Updated swagger file and version info

doc/swagger.yaml

@@ -1,8 +1,8 @@
 openapi: 3.0.3
 info:
-  version: "2.1.0"
+  version: "2.1.3"
   title: "Music Server"
-  description: "Added /addQue to add the last received song to the songQue. Changed /rand and /rand/low to not add song to the que. Changed /next to not call /rand when the end of the que is reached, instead the last song in the que will be resent."
+  description: "Added a check to see if song exists before returning it, if not a new song will be picked up."
   contact:
     email: "zarnor91@gmail.com"
 servers:

indexFacade.go

@@ -16,9 +16,17 @@ func indexHandler(w http.ResponseWriter, r *http.Request) {
 
 		testf()
 
-		data := VersionData{Version: "2.1.1",
+		data := VersionData{Version: "2.1.3",
-			Changelog: "Fixed bug where wrong song was showed as currently played.",
+			Changelog: "Added a check to see if song exists before returning it, if not a new song will be picked up.",
 			History: []VersionData{
+				{
+					Version:   "2.1.2",
+					Changelog: "Added test server to swagger file.",
+				},
+				{
+					Version:   "2.1.1",
+					Changelog: "Fixed bug where wrong song was showed as currently played.",
+				},
 				{
 					Version: "2.1.0",
 					Changelog: "Added /addQue to add the last received song to the songQue. " +

musicFacade.go

@@ -210,11 +210,11 @@ func musicHandler(w http.ResponseWriter, r *http.Request) {
 			}
 		} else {
 			s := getSong(song)
-			sendFile(w, s)
+			sendSong(w, s)
 		}
 	} else if r.URL.Path == "/music/first" && r.Method == http.MethodGet {
 		song := getSoundCheckSong()
-		sendFile(w, song)
+		sendSong(w, song)
 
 	} else if r.URL.Path == "/music/reset" && r.Method == http.MethodGet {
 		reset()
@@ -222,11 +222,11 @@ func musicHandler(w http.ResponseWriter, r *http.Request) {
 
 	} else if r.URL.Path == "/music/rand" && r.Method == http.MethodGet {
 		song := getRandomSong()
-		sendFile(w, song)
+		sendSong(w, song)
 
 	} else if r.URL.Path == "/music/rand/low" && r.Method == http.MethodGet {
 		chance := getRandomSongLowChance()
-		sendFile(w, chance)
+		sendSong(w, chance)
 
 	} else if r.URL.Path == "/music/info" && r.Method == http.MethodGet {
 		w.Header().Add("Content-Type", "application/json")
@@ -238,11 +238,11 @@ func musicHandler(w http.ResponseWriter, r *http.Request) {
 
 	} else if r.URL.Path == "/music/next" {
 		song := getNextSong()
-		sendFile(w, song)
+		sendSong(w, song)
 
 	} else if r.URL.Path == "/music/previous" {
 		song := getPreviousSong()
-		sendFile(w, song)
+		sendSong(w, song)
 
 	} else if r.URL.Path == "/music/all" && r.Method == http.MethodGet {
 		w.Header().Add("Content-Type", "application/json")
@@ -263,14 +263,14 @@ func musicHandler(w http.ResponseWriter, r *http.Request) {
 	}
 }
 
-func sendFile(writer http.ResponseWriter, Filename string) {
+func sendSong(writer http.ResponseWriter, Filename string) {
 	fmt.Println("Client requests: " + Filename)
 
 	//Check if file exists and open
 	openFile, err := os.Open(Filename)
 	if err != nil {
 		//File not found, send 404
-		http.Error(writer, "File not found.", 404)
+		http.Error(writer, "Song not found.", 404)
 		return
 	}
 	defer func(openFile *os.File) {