add capability to use scripts in ~/.config/tubus/scripts as custom player

logic.go

@@ -9,6 +9,7 @@ import (
 	"strconv"
 	"strings"
 	"sync"
+	"path/filepath"
 )
 
 // maps user input to events
@@ -385,6 +386,15 @@ func logicSetPlayer(player string) {
 func logicPlay(player string, id int) {
 	video := logicVarVideos[id]
 	cmd := append(strings.Split(player, " "), "https://www.youtube.com/watch?v="+video.url)
+
+	script := filepath.Join(storeDefaultScripts, cmd[0])
+	exists, err := storeFileExists(script)
+	errorCare(err)
+	if exists {
+		cmd[0] = script
+		player = "$" + player // visual indicator for user script
+	}
+
 	exe := exec.Command(cmd[0], cmd[1:]...)
 	if err := exe.Start(); err != nil {
 		cliStatusError(fmt.Sprint("playback error: ", err))

store.go

@@ -10,6 +10,7 @@ import (
 var (
 	storeDefaultPlayer        = "" // Contains path created by init()
 	storeDefaultSubscriptions = "" // Contains path created by init()
+	storeDefaultScripts = "" // Contains path created by init()
 )
 
 // init checks if the configuration directory exist and creates
@@ -22,10 +23,12 @@ func init() {
 	home := user.HomeDir
 
 	conf := filepath.Join(home, ".config/tubus")
-	exists, err := storeFileExists(conf)
+
+	storeDefaultScripts = filepath.Join(conf, "scripts")
+	exists, err := storeFileExists(storeDefaultScripts)
 	errorCare(err)
 	if !exists {
-		errorCare(storeCreateDirectory(conf))
+		errorCare(storeCreateDirectory(storeDefaultScripts))
 	}
 
 	storeDefaultSubscriptions = filepath.Join(conf, "subscriptions")