Not able to get members in a voice channel, what am I doing wrong?

[koo04]

I have been trying to get this to work for a few days now, without any luck. I get that we are supposed to use some State situation, but I can't seem to figure out how. My simplified example below:

package main

import (
	"fmt"
	"time"

	"github.com/bwmarrin/discordgo"
)

func testCommandHandler(s *discordgo.Session, i *discordgo.InteractionCreate) {
	channels, err := s.GuildChannels(i.GuildID)
	if err != nil {
		panic(err)
	}

	members := []*discordgo.ThreadMember{}
	for _, channel := range channels {
		if channel.Type == discordgo.ChannelTypeGuildVoice {
			members = append(members, channel.Members...)
		}
	}

	fmt.Print(members)

	if err := s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
		Type: discordgo.InteractionResponseChannelMessageWithSource,
		Data: &discordgo.InteractionResponseData{
			Flags:   discordgo.MessageFlagsEphemeral,
			Content: fmt.Sprintf("just a test: %d", len(members)),
		},
	}); err != nil {
		panic(err)
	}
}

func startBot() {
	fmt.Println("starting new discord bot")
	b, err := discordgo.New("Bot secret-token")
	if err != nil {
		panic(err)
	}

	b.Identify.Intents = discordgo.IntentGuildMembers

	b.AddHandler(testCommandHandler)

	if err := b.Open(); err != nil {
		panic(err)
	}

	if _, err := b.ApplicationCommandCreate("1234567890", "1234567890", &discordgo.ApplicationCommand{
		Name:        "test",
		Description: "Get the members in all voice channels",
	}); err != nil {
		panic(err)
	}
}

func main() {
	go startBot()

	for {
		fmt.Println("running")
		time.Sleep(10 * time.Second)
	}
}

[koo04]

I finally answered my own question. Will put the code here and will likely make a snippet to reference, later:

package main

import (
	"fmt"
	"time"

	"github.com/bwmarrin/discordgo"
)

func testCommandHandler(s *discordgo.Session, i *discordgo.InteractionCreate) {
	guild, err := s.State.Guild(i.GuildID)
	if err != nil {
		panic(err)
	}

	if err := s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
		Type: discordgo.InteractionResponseChannelMessageWithSource,
		Data: &discordgo.InteractionResponseData{
			Flags:   discordgo.MessageFlagsEphemeral,
			Content: fmt.Sprintf("just a test: %d", len(guild.VoiceStates)),
		},
	}); err != nil {
		panic(err)
	}
}

func startBot() {
	fmt.Println("starting new discord bot")
	b, err := discordgo.New("Bot secret-token")
	if err != nil {
		panic(err)
	}

	b.Identify.Intents = discordgo.IntentsAll

	b.AddHandler(testCommandHandler)

	if err := b.Open(); err != nil {
		panic(err)
	}

	if _, err := b.ApplicationCommandCreate("app-id", "guild-id", &discordgo.ApplicationCommand{
		Name:        "test",
		Description: "Get the number of members in all voice channel",
	}); err != nil {
		panic(err)
	}
}

func main() {
	go startBot()

	for {
		fmt.Println("running")
		time.Sleep(10 * time.Second)
	}
}