mirror of
https://github.com/diamondburned/arikawa.git
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17b9c73ce3
This commit refactors the whole package gateway as well as utils/ws
(formerly utils/wsutil) and voice/voicegateway. The new refactor
utilizes a design pattern involving a concurrent loop and an arriving
event channel.
An additional change was made to the way gateway events are typed.
Before, pretty much any type will satisfy a gateway event type, since
the actual type was just interface{}. The new refactor defines a
concrete interface that events can implement:
type Event interface {
Op() OpCode
EventType() EventType
}
Using this interface, the user can easily add custom gateway events
independently of the library without relying on string maps. This adds a
lot of type safety into the library and makes type-switching on Event
types much more reasonable.
Gateway error callbacks are also almost entirely removed in favor of
custom gateway events. A catch-all can easily be added like this:
s.AddHandler(func(err error) {
log.Println("gateway error:, err")
})
89 lines
2 KiB
Go
89 lines
2 KiB
Go
package main
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import (
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"context"
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"log"
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"os"
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"github.com/diamondburned/arikawa/v3/api"
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"github.com/diamondburned/arikawa/v3/discord"
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"github.com/diamondburned/arikawa/v3/gateway"
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"github.com/diamondburned/arikawa/v3/state"
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"github.com/diamondburned/arikawa/v3/utils/json/option"
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)
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// To run, do `GUILD_ID="GUILD ID" BOT_TOKEN="TOKEN HERE" go run .`
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func main() {
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guildID := discord.GuildID(mustSnowflakeEnv("GUILD_ID"))
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token := os.Getenv("BOT_TOKEN")
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if token == "" {
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log.Fatalln("No $BOT_TOKEN given.")
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}
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s := state.New("Bot " + token)
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app, err := s.CurrentApplication()
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if err != nil {
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log.Fatalln("Failed to get application ID:", err)
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}
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s.AddHandler(func(e *gateway.InteractionCreateEvent) {
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data := api.InteractionResponse{
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Type: api.MessageInteractionWithSource,
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Data: &api.InteractionResponseData{
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Content: option.NewNullableString("Pong!"),
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},
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}
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if err := s.RespondInteraction(e.ID, e.Token, data); err != nil {
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log.Println("failed to send interaction callback:", err)
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}
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})
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s.AddIntents(gateway.IntentGuilds)
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s.AddIntents(gateway.IntentGuildMessages)
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if err := s.Open(context.Background()); err != nil {
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log.Fatalln("failed to open:", err)
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}
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defer s.Close()
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log.Println("Gateway connected. Getting all guild commands.")
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commands, err := s.GuildCommands(app.ID, guildID)
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if err != nil {
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log.Fatalln("failed to get guild commands:", err)
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}
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for _, command := range commands {
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log.Println("Existing command", command.Name, "found.")
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}
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newCommands := []api.CreateCommandData{
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{
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Name: "ping",
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Description: "Basic ping command.",
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},
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}
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for _, command := range newCommands {
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_, err := s.CreateGuildCommand(app.ID, guildID, command)
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if err != nil {
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log.Fatalln("failed to create guild command:", err)
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}
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}
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// Block forever.
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select {}
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}
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func mustSnowflakeEnv(env string) discord.Snowflake {
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s, err := discord.ParseSnowflake(os.Getenv(env))
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if err != nil {
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log.Fatalf("Invalid snowflake for $%s: %v", env, err)
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}
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return s
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}
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