feat(commands,bot): mock command for testing

bot/bot.go

@@ -2,6 +2,7 @@ package bot
 
 import (
 	"database/sql"
+	"errors"
 	"log/slog"
 
 	"forge.capytal.company/capytal/dislate/commands"
@@ -50,9 +51,12 @@ func (b *Bot) Start() error {
 
 	ch := commands.NewCommandsHandler(b.logger, b.session)
 
-	// TODO: add real commands
-	if err := ch.UpdateCommands(make(map[string]commands.Command)); err != nil {
-		return err
+	COMMANDS := []commands.Command{
+		&mockCommand{},
+	}
+
+	if err := ch.UpdateCommands(COMMANDS); err != nil {
+		return errors.Join(errors.New("Failed to update commands"), err)
 	}
 
 	return nil

bot/commands.go

@@ -0,0 +1,44 @@
+package bot
+
+import (
+	"errors"
+	"fmt"
+
+	"github.com/bwmarrin/discordgo"
+)
+
+type mockCommand struct{}
+
+func (c *mockCommand) Info() *discordgo.ApplicationCommand {
+	return &discordgo.ApplicationCommand{
+		Name:        "mock",
+		Type:        discordgo.ChatApplicationCommand,
+		Description: "this is a mock command used for testing",
+		Options: []*discordgo.ApplicationCommandOption{{
+			Name:        "message",
+			Description: "The message to respond",
+			Type:        discordgo.ApplicationCommandOptionString,
+		}},
+	}
+}
+
+func (c *mockCommand) Handle(s *discordgo.Session, i *discordgo.InteractionCreate) error {
+	data := i.ApplicationCommandData()
+
+	if len(data.Options) == 0 {
+		return errors.New("Option \"message\" is not defined")
+	}
+
+	text, ok := data.Options[0].Value.(string)
+	if !ok {
+		return errors.New("Failed to convert \"message\" into string")
+	}
+
+	return s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
+		Type: discordgo.InteractionResponseChannelMessageWithSource,
+		Data: &discordgo.InteractionResponseData{
+			Content: fmt.Sprintf("Hello user! Your text is %q", text),
+			Flags:   discordgo.MessageFlagsEphemeral,
+		},
+	})
+}