feat(lib,commands): Command interface

lib/bot.go

@@ -6,6 +6,7 @@ import (
 
 type Bot struct {
 	session  *discordgo.Session
+	commands []Command
 }
 
 func New(token string) (*Bot, error) {
@@ -29,3 +30,7 @@ func (b *Bot) Start() error {
 
 	return nil
 }
+
+func (b *Bot) HandleCommand(c Command) {
+	b.commands = append(b.commands, c)
+}

lib/command.go

@@ -0,0 +1,22 @@
+package bot
+
+import "github.com/bwmarrin/discordgo"
+
+type Command interface {
+	ApplicationCommand() *discordgo.ApplicationCommand
+	Validate() (bool, error)
+}
+
+type Handler interface {
+	Handle(s *discordgo.Session, ic *discordgo.InteractionCreate) error
+}
+
+type HandlerFunc func(s *discordgo.Session, ic *discordgo.InteractionCreate) error
+
+func (h HandlerFunc) Handle(
+	s *discordgo.Session,
+	ic *discordgo.InteractionCreate,
+) error {
+	return h(s, ic)
+}
+