extract player

main.go

@@ -3,39 +3,31 @@ package main
 import (
 	"bufio"
 	"fmt"
-	"log"
-	"net/http"
 	"os"
 	"strconv"
 	"strings"
 
-	"github.com/faiface/beep/mp3"
-	"player/server"
+	"player/player"
 )
 
-type StreamURL struct {
-	Name string
-	URL  string
-}
-
-var StreamURLs = []StreamURL{
-	{Name: "KEXP", URL: "https://kexp-mp3-128.streamguys1.com/kexp128.mp3"},
-	{Name: "StuBru", URL: "http://icecast.vrtcdn.be/stubru-high.mp3"},
-	{Name: "StuBru Bruut", URL: "http://icecast.vrtcdn.be/stubru_bruut-high.mp3"},
-	{Name: "StuBru Untz", URL: "http://icecast.vrtcdn.be/stubru_untz-high.mp3"},
-	{Name: "StuBru Hooray", URL: "http://icecast.vrtcdn.be/stubru_hiphophooray-high.mp3"},
-}
-
 func main() {
 
-	player := server.NewPlayer()
-	if err := player.Init(); err != nil {
+	stations := []player.Station{
+		{Name: "KEXP", URL: "https://kexp-mp3-128.streamguys1.com/kexp128.mp3"},
+		{Name: "StuBru", URL: "http://icecast.vrtcdn.be/stubru-high.mp3"},
+		{Name: "StuBru Bruut", URL: "http://icecast.vrtcdn.be/stubru_bruut-high.mp3"},
+		{Name: "StuBru Untz", URL: "http://icecast.vrtcdn.be/stubru_untz-high.mp3"},
+		{Name: "StuBru Hooray", URL: "http://icecast.vrtcdn.be/stubru_hiphophooray-high.mp3"},
+	}
+
+	radio := player.NewPlayer()
+	if err := radio.Init(); err != nil {
 		fmt.Println(err)
 		os.Exit(1)
 	}
 
 	fmt.Println("Stations:")
-	for i, stream := range StreamURLs {
+	for i, stream := range stations {
 		fmt.Printf("%d: %s\n", i, stream.Name)
 	}
 
@@ -52,20 +44,14 @@ func main() {
 			os.Exit(0)
 		}
 
-		stream := StreamURLs[number]
-		fmt.Printf("Playing %s\n", stream.Name)
-		res, err := http.Get(stream.URL)
-		if err != nil {
+		station := stations[number]
+		fmt.Printf("Playing %s\n", station.Name)
+
+		if err := radio.Select(station); err != nil {
 			fmt.Println(err)
 			os.Exit(1)
 		}
 
-		streamer, _, err := mp3.Decode(res.Body)
-		if err != nil {
-			log.Fatal(err)
-		}
-		player.Play(streamer)
-
 	}
 }
 

player/player.go

@@ -1,12 +1,19 @@
-package server
+package player
 
 import (
+	"net/http"
 	"time"
 
 	"github.com/faiface/beep"
+	"github.com/faiface/beep/mp3"
 	"github.com/faiface/beep/speaker"
 )
 
+type Station struct {
+	Name string
+	URL  string
+}
+
 type Player struct {
 	oldStreamer beep.StreamCloser
 	oldCtrl     *beep.Ctrl
@@ -30,7 +37,23 @@ func (p *Player) Init() error {
 	return nil
 }
 
-func (p *Player) Play(streamer beep.StreamCloser) {
+func (p *Player) Select(station Station) error {
+	res, err := http.Get(station.URL)
+	if err != nil {
+		return err
+	}
+
+	streamer, _, err := mp3.Decode(res.Body)
+	if err != nil {
+		return err
+	}
+
+	p.PlayStream(streamer)
+
+	return nil
+}
+
+func (p *Player) PlayStream(streamer beep.StreamCloser) {
 	ctrl := &beep.Ctrl{
 		Streamer: streamer,
 	}

player/service.go

@@ -1,4 +1,4 @@
-package server
+package player
 
 //
 //type App struct {