feat: implement remove command

Author: BomBardyGamer

commands/music.go

@@ -352,6 +352,7 @@ var music = discord.SlashCommandCreate{
 					Description:  "The index of the track to remove",
 					Required:     true,
 					Autocomplete: true,
+					MinValue:     json.Ptr(0),
 				},
 			},
 		},

commands/remove.go

@@ -0,0 +1,21 @@
+package commands
+
+import (
+	"fmt"
+	"github.com/disgoorg/disgo/discord"
+	"github.com/disgoorg/disgo/handler"
+)
+
+func (c *Commands) Remove(data discord.SlashCommandInteractionData, e *handler.CommandEvent) error {
+	index := data.Int("index")
+	ok := c.MusicQueue.Remove(*e.GuildID(), index-1, index)
+	if !ok {
+		return e.CreateMessage(discord.MessageCreate{
+			Content: fmt.Sprintf("Failed to remove track %d from queue", index),
+		})
+	}
+
+	return e.CreateMessage(discord.MessageCreate{
+		Content: fmt.Sprintf("Removed track %d from queue", index),
+	})
+}

lavalinkbot/queue.go

@@ -76,20 +76,26 @@ func (q *PlayerManager) Add(guildID snowflake.ID, channelID snowflake.ID, tracks
 	qq.tracks = append(qq.tracks, tracks...)
 }
 
-func (q *PlayerManager) Remove(guildID snowflake.ID, from int, to int) {
+func (q *PlayerManager) Remove(guildID snowflake.ID, from int, to int) bool {
 	q.mu.Lock()
 	defer q.mu.Unlock()
 
 	qq, ok := q.queues[guildID]
 	if !ok {
-		return
+		return false
+	}
+
+	queueLen := len(qq.tracks)
+	if from >= queueLen || to >= queueLen {
+		return false
 	}
 
 	if to == 0 {
 		to = from + 1
 	}
 
 	qq.tracks = append(qq.tracks[:from], qq.tracks[to:]...)
+	return true
 }
 
 func (q *PlayerManager) Clear(guildID snowflake.ID) {

main.go

@@ -97,7 +97,7 @@ func main() {
 			r.SlashCommand("/queue", cmds.Queue)
 			r.SlashCommand("/now-playing", cmds.NowPlaying)
 			// r.SlashCommand("/lyrics", cmds.Lyrics)
-			// r.SlashCommand("/remove", cmds.Remove)
+			r.SlashCommand("/remove", cmds.Remove)
 			// r.SlashCommand("/move", cmds.Move)
 			// r.SlashCommand("/swap", cmds.Swap)
 			// r.SlashCommand("/clear", cmds.Clear)