Refactor: migrate discordbot

bot/commands/greet.go

@@ -0,0 +1,43 @@
+package commands
+
+import (
+	"fmt"
+
+	"gitea.konchin.com/go2025/backend/bot"
+	"github.com/bwmarrin/discordgo"
+)
+
+type GreetCommand struct {
+	bot *bot.Bot
+}
+
+func NewGreetCommand(bot *bot.Bot) bot.Command {
+	return &GreetCommand{bot: bot}
+}
+
+func (self *GreetCommand) ApplicationCommand() *discordgo.ApplicationCommand {
+	return &discordgo.ApplicationCommand{
+		Name:        "greet",
+		Description: "Get a friendly greeting",
+	}
+}
+
+func (self *GreetCommand) Handler() bot.CommandHandler {
+	return func(s *discordgo.Session, i *discordgo.InteractionCreate) {
+		var username string
+		if i.Member != nil {
+			username = i.Member.User.Username
+		} else if i.User != nil {
+			username = i.User.Username
+		} else {
+			username = "Unknown"
+		}
+
+		s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
+			Type: discordgo.InteractionResponseChannelMessageWithSource,
+			Data: &discordgo.InteractionResponseData{
+				Content: fmt.Sprintf("Ciallo, %s!", username),
+			},
+		})
+	}
+}