Added a config parser

Add a config.yml/config.toml file to $HOME/.config/goMP/ so that user
configurations are read.

config.go

@@ -0,0 +1,32 @@
+package main
+
+import (
+	"fmt"
+	"os"
+
+	"github.com/spf13/viper"
+)
+
+var (
+	HOME_DIR, _ = os.UserHomeDir()
+	defaults    = map[string]interface{}{
+		"ADDITIONAL_PADDING_X": 12,
+		"ADDITIONAL_PADDING_Y": 16,
+		"IMAGE_WIDTH_EXTRA_X":  -1.5,
+		"IMAGE_WIDTH_EXTRA_Y":  -3.75,
+		"MUSIC_DIRECTORY":      HOME_DIR + "/Music",
+		"PORT":                 "6600",
+	}
+)
+
+func readConfig() {
+	for k, v := range defaults {
+		viper.SetDefault(k, v)
+	}
+	viper.SetConfigName("config")
+	viper.AddConfigPath(HOME_DIR + "/.config/goMP")
+	err := viper.ReadInConfig()
+	if err != nil {
+		fmt.Println("Could Not Read Config file.")
+	}
+}

imageUtils.go

@@ -6,6 +6,7 @@ import (
 
 	"github.com/dhowden/tag"
 	"github.com/nfnt/resize"
+	"github.com/spf13/viper"
 )
 
 /*
@@ -14,7 +15,7 @@ import (
 	path to default image is sent.
 */
 func getAlbumArt(uri string) string {
-	var path string = "default.jpg"
+	var path string = "/H/code/goMP/default.jpg"
 	f, err := os.Open(uri)
 	if err != nil {
 		panic(err)
@@ -25,13 +26,13 @@ func getAlbumArt(uri string) string {
 	}
 	albumCover := m.Picture()
 	if albumCover != nil {
-		b, err := os.Create("thumb.jpg")
+		b, err := os.Create("/H/code/goMP/thumb.jpg")
 		if err != nil {
 			panic(err)
 		}
 		defer b.Close()
 		b.Write(albumCover.Data)
-		path = "thumb.jpg"
+		path = "/H/code/goMP/thumb.jpg"
 		b.Close()
 	}
 	f.Close()
@@ -53,7 +54,7 @@ func getImg(uri string) (image.Image, error) {
 
 	fw, fh := getFontWidth()
 	img = resize.Resize(
-		uint(float32(IMG_W)*(fw+IMAGE_WIDTH_EXTRA_X)), uint(float32(IMG_H)*(fh+IMAGE_WIDTH_EXTRA_Y)),
+		uint(float32(IMG_W)*(fw+float32(viper.GetFloat64("IMAGE_WIDTH_EXTRA_X")))), uint(float32(IMG_H)*(fh+float32(viper.GetFloat64("IMAGE_WIDTH_EXTRA_Y")))),
 		img,
 		resize.Bilinear,
 	)

main.go

@@ -8,6 +8,7 @@ import (
 
 	"github.com/fhs/gompd/mpd"
 	"github.com/gdamore/tcell/v2"
+	"github.com/spf13/viper"
 )
 
 var Volume int64
@@ -16,9 +17,9 @@ var Repeat bool
 var InsidePlaylist bool = true
 
 func main() {
-
+	readConfig()
 	// Connect to MPD server
-	conn, err := mpd.Dial("tcp", "localhost:6600")
+	conn, err := mpd.Dial("tcp", "localhost:"+viper.GetString("MPD_PORT"))
 	if err != nil {
 		log.Fatalln(err)
 	}
@@ -27,7 +28,7 @@ func main() {
 	r := newRenderer()
 	c, _ := conn.CurrentSong()
 	if len(c) != 0 {
-		r.Start(DBDIR + c["file"])
+		r.Start(viper.GetString("MUSIC_DIRECTORY") + c["file"])
 	} else {
 		r.Start("stop")
 	}

progressBar.go

@@ -7,6 +7,7 @@ import (
 	"github.com/fhs/gompd/mpd"
 	"github.com/gdamore/tcell/v2"
 	"github.com/rivo/tview"
+	"github.com/spf13/viper"
 )
 
 var CurrentSong string
@@ -56,7 +57,7 @@ func (s *progressBar) updateTitle(conn mpd.Client, r *Renderer) {
 			CurrentSong = ""
 			r.Send("stop")
 		} else if song != CurrentSong && len(_currentAttributes) != 0 {
-			r.Send(DBDIR + _currentAttributes["file"])
+			r.Send(viper.GetString("music_directory") + _currentAttributes["file"])
 			CurrentSong = song
 		}
 		// fmt.Println(len(_currentAttributes))

render.go

@@ -1,6 +1,7 @@
 package main
 
 import (
+	"github.com/spf13/viper"
 	"gitlab.com/diamondburned/ueberzug-go"
 )
 
@@ -43,7 +44,7 @@ func openImage(path string, c chan string) {
 	var im *ueberzug.Image
 	if path != "stop" {
 		img2, _ := getImg(getAlbumArt(path))
-		im, _ = ueberzug.NewImage(img2, int(float32(IMG_X)*fw)+ADDITIONAL_PADDING_X, int(float32(IMG_Y)*fh)+ADDITIONAL_PADDING_Y)
+		im, _ = ueberzug.NewImage(img2, int(float32(IMG_X)*fw)+viper.GetInt("ADDITIONAL_PADDING_X"), int(float32(IMG_Y)*fh)+viper.GetInt("ADDITIONAL_PADDING_Y"))
 	}
 	d := <-c
 	if im != nil {

utils.go

@@ -3,7 +3,6 @@ package main
 import (
 	"fmt"
 	"io/ioutil"
-	"os"
 	"strconv"
 	"strings"
 	"syscall"
@@ -85,8 +84,7 @@ func formatString(a interface{}) string {
 }
 
 func getMusicDirectory() string {
-	a, _ := os.UserHomeDir()
-	content, err := ioutil.ReadFile(a + "/.config/mpd/mpd.conf")
+	content, err := ioutil.ReadFile(HOME_DIR + "/.config/mpd/mpd.conf")
 	if err != nil {
 		fmt.Println("No Config File for mpd Found")
 		panic(err)