Implement slash commands for playback control

internal/commands/remove.go

@@ -0,0 +1,47 @@
+package commands
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/disgoorg/disgo/discord"
+	"github.com/disgoorg/disgo/events"
+)
+
+type RemoveCommand struct {
+	deps *Dependencies
+}
+
+func NewRemoveCommand(deps *Dependencies) *RemoveCommand {
+	return &RemoveCommand{deps: deps}
+}
+
+func (c *RemoveCommand) Definition() discord.ApplicationCommandCreate {
+	return discord.SlashCommandCreate{
+		Name:        "remove",
+		Description: "Removes a track from the queue",
+		Options: []discord.ApplicationCommandOption{
+			discord.ApplicationCommandOptionInt{
+				Name:        "position",
+				Description: "Position in the queue, as shown by /queue (1 is next)",
+				Required:    true,
+				MinValue:    intPtr(1),
+			},
+		},
+	}
+}
+
+func (c *RemoveCommand) Execute(ctx context.Context, event *events.ApplicationCommandInteractionCreate) error {
+	gid, err := requirePlaybackAccess(c.deps.Discord, event)
+	if err != nil {
+		return err
+	}
+
+	position := event.SlashCommandInteractionData().Int("position")
+
+	track, ok := c.deps.Music.Guild(gid).RemoveQueued(position - 1)
+	if !ok {
+		return rejectEphemeral(event, fmt.Sprintf("There's no track at position %d in the queue.", position))
+	}
+	return reply(event, fmt.Sprintf("Removed **%s** from the queue.", track.Info.Title))
+}